CN105935751A - Multifunctional multi-mode electromagnetic flow control device of slab continuous casting crystallizer - Google Patents
Multifunctional multi-mode electromagnetic flow control device of slab continuous casting crystallizer Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/114—Treating the molten metal by using agitating or vibrating means
- B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields
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Abstract
The invention discloses a multifunctional multi-mode electromagnetic flow control device of a slab continuous casting crystallizer. The device comprises an inner arc electromagnetic stirrer and an outer arc electromagnetic stirrer which are abbreviated as L-EMS and F-EMS respectively and arranged on an inner arc of a crystallizer copper plate and an outer arc of the crystallizer copper plate respectively; the L-EMS and the F-EMS are each provided with an upper sensor and a lower sensor, and each sensor is provided with four magnetic induction areas; each magnetic induction area is independently controlled by a PLC, the PLC controls the sizes, the directions and the phase sequences of coil currents by being connected with coils in the corresponding magnetic induction areas to change the magnetic field motion directions and the magnetic field polarities, and then the molten steel motion direction is changed; by changing the magnetic field motion direction and the magnetic field polarity of each magnetic induction area, multiple molten steel flow modes are combined. According to the device, three-dimensional adjustment of the magnetic field and flow field state in a casting blank is achieved through design of double sensors arranged on the inner arc side and the outer arc side and adjustment and control over the different stirring modes, and therefore not only can the casting blank surface quality problem be solved, but also the casting blank interior quality problem can be solved.
Description
Technical field
The invention belongs to a kind of motlten metal continuous casting crystallizer for plate billet electromagnetism flow control device, be specifically related to a multi-functional multimode
Formula continuous casting crystallizer for plate billet electromagnetism flow control device.
Background technology
Along with the development of continuous casting technology, the raising of continuous casting ratio, high production rate and high-quality strand have become current slab even
The target that casting technology is pursued.The high production rate of conticaster and the realization of high-quality strand, wherein most critical and most important skill
Art is to realize controlling molten steel in mold flowing.Conventional control technology as optimize submersed nozzle shape and immersion depth and
Though liquid steel level controls to advantageously improve the MOLTEN STEEL FLOW in crystallizer, but unsatisfactory.Utilize the non-of electromagnetic force to connect simultaneously
Touch-control technology has obtained researching and developing widely and practical, and the most representative has crystallizer based on D.C. magnetic field electricity
Magnetic brake technology (EMBr)；M-EMS technology (M-EMS) based on travelling-magnetic-field, and based on this
Multi-mode M-EMS technology (MM-EMS).
Three of the above electromagnetism flow control technology has application in plate slab crystallizer, and is respectively arranged with technical characterstic and advantage.EMBr's
Installation site is at the stream stock main flow that submersed nozzle side opening spues, and its flow location form is mainly by Constant Direct Current magnetic field system
The dynamic stream stock spued from submersed nozzle side opening so that it is slow down, belong to the flow control technology of a class passive type.EMBr mainly should
It is sheet blank continuous casting, high casting speed continuous casting by scope；Another kind of active flow control technology has: M-EMS and MM-EMS.M-EMS
Installation site be between the molten steel scope of freedom and mouth of a river side opening, the flow location form produced by travelling-magnetic-field effect is to add
Speed molten steel makes its horizontal revolving motion.M-EMS is primarily adapted for use in cut deal, low casting speed continuous casting；And the installation position of MM-EMS
Being set to crystallizer half eminence, its flow location form can make molten steel make to accelerate, slow down or horizontal revolving motion.MM-EMS master
Cut deal base to be useful in, high casting speed continuous casting.Therefore, different electromagnetism flow control technology, according to its stir mode not
With, the difference of installation site, applicable conticaster and steel grade are the most different.
But above-mentioned electromagnetism flow control method and electromagnetic mixing apparatus, its stir mode and flow location form are all only limitted to one
Or most three kinds, steel grade and the processing range of adaptation are limited.Metallurgical effect is confined to improve the surface of strand and subcutaneous matter
Amount, it is impossible to image space round mold electromagnetic agitation produces the rotary motion goed deep within molten steel like that, improves the internal matter of strand
Amount.Though to obtaining certain application effect under the conditions of specific steel grade and continuous casting process, but needing raw on same conticaster
Producing different steel grade, the strand of different size, the technological parameter of continuous casting there is also certain difference, therefore M-EMS
Technique to be also adjusted correspondingly therewith.For crystallizer flow field, need to enter according to steel grade, section and continuous casting process
Row is corresponding to be adjusted.Chinese patent CN200910302486.3 propose one can realize single rotation, electromagnetic deceleration,
Electromagnetism acceleration, the rotation of twoth district and 4th district rotate the induction apparatus of these five kinds of stir modes, and these patterns can only change in cross section
Distribution of Magnetic Field and strand in horizontal Flow Field Distribution, longitudinally then cannot regulate.Chinese patent CN201410120140.2
Proposing a kind of multidimensional electromagnetism modulating device, use the version of monolateral three set coils, this method can realize three-dimensional electricity
Magnetic stirs, but version is the most complicated, and bulky, inapplicable existing continuous cast mold vibration platen and crystallizer
Transformation, practicality is the strongest.
Therefore, it is necessary to design a kind of new multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device.
Summary of the invention
Solved by the invention technical problem is that, for shortcoming and problem present in background technology, it is provided that a kind of multi-functional
Multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device, by design and the regulation and control of different stir mode of dual inductor, real
Show strand internal magnetic field and the three-dimensional regulation of flow location form and control, cc billet surface quality problem can be solved, casting can be solved again
Base internal soundness problem.
The technical solution adopted in the present invention is:
A kind of multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device, is divided into inner arc magnetic stirrer 1 and outer arc
Magnetic stirrer 2, is abbreviated as L EMS1 and F EMS2 respectively；L EMS1 and F EMS2 is separately positioned on crystallizer
Copper coin 5 inner arc and outer arc；Molten steel 4 passes through in the middle of copper plate of crystallizer 5；
L EMS1 and F EMS2 is provided with upper and lower two induction apparatuss, and the top and bottom induction apparatus of L EMS1 is respectively
It is labeled as L16、L2The top and bottom induction apparatus of 7, F EMS2 is respectively labeled as F18、F29；L EMS1 and F simultaneously
Each induction apparatus of EMS2 is provided with four magnetic induction districts；Magnetic field amount size, the direction in each magnetic induction district all can be only
Vertical regulation and change.
Two induction apparatuss up and down of L-EMS and F-EMS are that upper and lower disjunctor is arranged, and form the version of an induction apparatus；
Or the most setting up and down, form the version of two induction apparatuss.But the induction apparatus of L-EMS and F-EMS must make in pairs
With.
Described induction apparatus includes iron core 10 and coil 11；Different according to core structure, induction apparatus has two kinds of forms, the most rectangular
Shape induction apparatus and salient pole shape induction apparatus；
The iron core 10 of described rectangle induction apparatus is built up by the rectangle electrical steel sheet of multiple slotless；Coil 11 is adopted
It is wound on rectangle iron core with Gramer's winding configuration；
The iron core 10 of described salient pole shape induction apparatus is built up by the rectangle electrical steel sheet of multiple band salient poles；Coil 11 is tied
Structure includes two kinds of forms, i.e. uses Gramer's winding configuration to be wound in the yoke between two salient poles of iron core, or uses concentration
Winding configuration is wound on the salient pole of iron core.
Described multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device, also includes " the door word being enclosed within outside induction apparatus
Shape " Magnet clamp (12), Magnet clamp (12) is made up of the copper plate of high conductivity, and high conductivity refers to conductivity
σ ＞ 5.8 × 107The opening of S/m " door font " Magnet clamp (12) is towards the work surface of iron core；Magnet clamp (12)
Effect be improve work surface main flux and reduce non-working surface leakage field；
Upper end induction apparatus L16 and F1The iron core upper limb of 8 maintains an equal level with meniscus, mainly solves the quality problems on continuous casting billet surface；
And lower end induction apparatus L27 and F2The iron core upper limb distance meniscus 250-350mm of 9, mainly solves continuous casting billet internal soundness.
The structure in the magnetic induction district of described multi-functional multi-mode EMS device: with a pair sensing of L-EMS and F-EMS
Device [a pair induction apparatus L of upper end16 and F18 or a pair induction apparatus L of lower end26、F29], each induction apparatus includes 12
As a example by individual coil, by exciting travelling-magnetic-field rule to build four magnetic induction districts, each magnetic induction district includes 3 coils,
Four magnetic induction districts of L-EMS1 are designated as magnetic induction one district 101, magnetic induction two district 102, magnetic induction three the most successively
District 103, magnetic induction four district 104, magnetic induction district of four, the magnetic induction district of F-EMS2 is designated as magnetic induction one the most successively
District 201, magnetic induction two district 202, magnetic induction three district 203, magnetic induction four district 204；Position, the mouth of a river corresponds to magnetic induction
Between 2nd district and 3rd district；
Each magnetic induction district is individually controlled by PLC, and PLC is by being connected with the coil in this magnetic induction district, it is achieved right
The size of coil current, direction, the control of phase sequence, to change Movement in Magnetic Field direction 13 and polarity of the magnetic field, thus change
The molten steel direction of motion 14；By changing Movement in Magnetic Field direction and the polarity of the magnetic field in each magnetic induction district, it is combined into multiple molten steel
Flow pattern, the most only lifts than more typical 8 bottom horizontal flow sheet patterns illustratively: single rotary mode, double dish pattern,
Electromagnetism adds fast mode, electromagnetic deceleration pattern, four dish deceleration modes, four dish add fast mode, two district's rotary modes, electromagnetic system
Dynamic model formula.By upper end induction apparatus L16、F18 kinds of patterns of 8 and lower end induction apparatus L26、F28 kinds of pattern combination of two of 9,
Can be combined out:Plant stir mode.
Under described single rotary mode, L-EMS with F-EMS is: Movement in Magnetic Field direction 13, four magnetic induction districts is consistent；
But the Movement in Magnetic Field of L-EMS with F-EMS is in opposite direction.Owing to the molten steel direction of motion 14 is consistent with Movement in Magnetic Field direction 13,
It is possible to the molten steel in making crystallizer does single rotary motion, it is achieved single Rotative Stirring mode.
Described single rotary mode, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deep
Enter to molten steel core.
The winding wiring mode of described single rotary mode is: L-EMS and F-EMS is: the line in magnetic induction one, three district
Loop current direction is contrary with the direction of the winding current in magnetic induction two, four district；And the magnetic induction that L-EMS with F-EMS is corresponding
District's the direction of the winding current is contrary, and e.g., magnetic induction one district 101 of L-EMS and three district 103 wiring are U, V, W；2nd district
102 and four district 104 wiring be-U ,-V ,-W；And magnetic induction one district 201 of F-EMS and three district 203 wiring be-W,
-V、-U；Two districts 202 and four district 204 wiring are W, V, U.
Under described pair of dish pattern, L-EMS with F-EMS is: Movement in Magnetic Field direction 13, four induction areas is consistent, and
The Movement in Magnetic Field direction of L-EMS with F-EMS is identical.Owing to the molten steel direction of motion 14 is consistent with Movement in Magnetic Field direction 13,
And the continuity of fluid molten steel motion, it is possible to make molten steel form upper and lower two circulation at crystallizer cross section.This pattern can
Deeply inside stirring molten steel, it is achieved double dish stir modes of molten steel.
Described pair of dish pattern, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole,
Corresponding F-EMS position is N pole, makes the magnetic line of force not penetrate through molten steel, but stirs adjacent S pole from N pole to same electricity,
Electromagnetic stirring force only acts on to molten steel surface.
The winding wiring mode of described pair of dish pattern is: L-EMS and F-EMS is: the coil electricity in magnetic induction one, three district
Flow path direction is contrary with the direction of the winding current in magnetic induction two, four district, and the magnetic induction district line that L-EMS with F-EMS is corresponding
Loop current direction is identical, and e.g., electromagnetic induction one district 101 of L-EMS and three district 103 wiring are U, V, W；Two districts 102
It is-U ,-V ,-W with four district 104 wiring；And electromagnetic induction one district 201 of F-EMS and three district 203 wiring be W, V,
U；Two districts 202 and four district 204 wiring are-W ,-V ,-U.
Described electromagnetism adds under fast mode, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's magnetic
The field direction of motion 13 is contrary；And L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction in the magnetic induction district of position.I.e.
Magnetic induction one district 101 of L-EMS and F-EMS and the Movement in Magnetic Field direction in 201, two districts 102 and 202 are towards a left side, and L-EMS
With magnetic induction three district 103 of F-EMS and the Movement in Magnetic Field direction in 203, four districts 104 and 204 towards the right side.This pattern molten steel
It is consistent that the molten steel 4 spued in the direction of motion 14 and the mouth of a river 3 flows the stock direction of motion, thus play and accelerate the work that molten steel moves
With, it is achieved accelerate stir mode.
Described electromagnetism adds fast mode, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deep
Enter to molten steel core.
Described electromagnetism adds the winding wiring mode of fast mode: L-EMS and F-EMS is: the line in magnetic induction one, two district
In circle phase sequence, any biphase exchange is just for the coil phase sequence in magnetic induction four, three district, this pattern L-EMS and F-EMS phase para-position
The magnetic induction district the direction of the winding current put is contrary, and e.g., the district 102 of electromagnetic induction one district 101, two of L-EMS links up 6
The mode of connection of individual coil is: V, V, U, U, W, W, and its district 104 of 3rd district 103, four links up connecing of 6 coils
Line mode is: W, W, U, U, V, V；The district of electromagnetic induction one district 201, two 202 of F-EMS is :-V ,-V ,-U,
-U ,-W ,-W, three districts of district 203, four 204 are :-W ,-W ,-U ,-U ,-V ,-V.
Under described electromagnetic deceleration pattern, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's magnetic
The field direction of motion 13 is contrary, and L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction in the magnetic field induction district of position.
Magnetic induction one district 101 of i.e. L-EMS and F-EMS and the Movement in Magnetic Field direction in 201, two districts 102 and 202 towards the right side, and
Magnetic induction three district 103 of L-EMS and F-EMS and the Movement in Magnetic Field direction in 203, four districts 104 and 204 are towards a left side.This mould
It is contrary that the molten steel 4 spued in the formula molten steel direction of motion 14 and the mouth of a river 3 flows the stock direction of motion, plays what deceleration molten steel moved
Effect, it is achieved deceleration stir mode.
Described electromagnetic deceleration pattern, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deep
Enter to molten steel core.
The winding wiring mode of described electromagnetic deceleration pattern is: L-EMS and F-EMS is: the line in magnetic induction one, two district
In circle phase sequence, any biphase exchange is just for the coil phase sequence in magnetic induction four, three district, L-EMS with F-EMS is relative to the magnetic of position
The sense of current of induction zone winding wiring is contrary, and e.g., the district 102 of electromagnetic induction one district 101, two of L-EMS links up 6
The mode of connection of individual coil is: U, U, V, V, W, W, and its district 104 of 3rd district 103, four links up connecing of 6 coils
Line mode is: W, W, V, V, U, U；The district of electromagnetic induction one district 201, two 202 of F-EMS is :-U ,-U ,-V,
-V ,-W ,-W, three districts of district 203, four 204 are :-W ,-W ,-V ,-V ,-U ,-U.
Under described four dish deceleration modes, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's magnetic
The field direction of motion 13 is contrary, L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction, magnetic field induction district of position.I.e. L-EMS
With magnetic field induction one district 101 of F-EMS and the Movement in Magnetic Field direction in 201, two districts 102 and 202 towards the right side, and L-EMS
With magnetic field induction three district 103 of F-EMS and the Movement in Magnetic Field direction in 203, four districts 104 and 204 towards a left side.This pattern steel
It is contrary that the molten steel 4 spued in water sport direction 14 and the mouth of a river 3 flows the stock direction of motion, plays the effect that deceleration molten steel moves,
Realize the pattern stirred of holding concurrently of slowing down.
Described four dish deceleration modes, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is N pole, makes the magnetic line of force not penetrate through molten steel, but from N pole to same magnetic stirrer
Adjacent S pole, due to the continuity of molten steel motion, molten steel movement locus forms the circulating-area of four.
The winding wiring mode of described four dish deceleration modes is: L-EMS and F-EMS is: magnetic induction one district and 2nd district
The sense of current is contrary, any biphase coil phase sequence being changed to magnetic induction four, three district mutually, and L-EMS and F-EMS phase para-position
The mode of the magnetic induction district winding wiring put is identical, e.g., and the electromagnetism sense in electromagnetic induction one district 101 and F-EMS of L-EMS
Ying Yiqu 201 wiring is U, V, W, and its 2nd district 102 and 202 wiring is-U ,-V ,-W；In L-EMS mono-district coil
Arbitrarily exchange biphase phase sequence, be mode of connection W in four districts 104,204, V, U, L-EMS and F-EMS tri-district 103,
203 winding wiring electric currents and the contrary of 4th district are-W ,-V ,-U；
Described four dish add under fast mode, L-EMS and F-EMS is: magnetic induction one, two district and three, four district's Movement in Magnetic Field
Direction 13 is contrary, and L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction, magnetic field induction district of position.I.e. L-EMS
With magnetic induction one district 101 of F-EMS and the Movement in Magnetic Field direction in 201, two districts 102 and 202 towards a left side, and L-EMS with
Magnetic induction three district 103 of F-EMS and the Movement in Magnetic Field direction in 203, four districts 104 and 204 are towards the right side.This pattern molten steel is transported
It is identical that the stock direction of motion is flowed in dynamic direction 14 with the molten steel 4 spued in the mouth of a river 3, plays the effect accelerating molten steel motion, in fact
Now accelerate the pattern stirred of holding concurrently.
Described four dish add fast mode, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is N pole, makes the magnetic line of force not penetrate through molten steel, but stirs adjacent from N pole to same electricity
S pole, due to the continuity of molten steel motion, molten steel movement locus forms the circulating-area of four.
Described four dish add the winding wiring mode of fast mode: L-EMS and F-EMS is: any the two of magnetic induction one district
Exchanging and convert the wiring that the sense of current is magnetic induction two district coil mutually, a district is any biphase is changed to connecing of four district's coils mutually
Line, 3rd district are contrary with the sense of current in 4th district.As, electromagnetic induction one district 101,201 wiring of L-EMS is U, W, V；
The mode of connection in four districts 104,204 is: V, W, U, the sense of current of two district 102,202 coils and a district 101,201
Contrary, its mode of connection is :-U ,-W ,-V；The sense of current of three district 103,203 coils and 4th district contrary,
Its mode of connection is :-V ,-W ,-U；
Under described two district's rotary modes, L-EMS and F-EMS is: one, 2nd district and three, four Movement in Magnetic Field directions, district 13
On the contrary, L-EMS with F-EMS is in opposite direction relative to the magnetic induction district Movement in Magnetic Field of position.As, L-EMS magnetic induction one,
The Movement in Magnetic Field direction in magnetic induction three, four district 203 and 204 in two districts 101,102 and F-EMS is towards a left side, and L-EMS
The Movement in Magnetic Field direction court in magnetic induction three, four district 103,104 and magnetic induction one, two district 201 and 202 of F-EMS
Right.
Described two district's rotary modes, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deep
Enter to molten steel core.
The winding wiring mode of described two district's rotary modes is that the sense of current in magnetic induction one, two district of L-EMS is contrary, one
Any biphase wiring being changed to its 4th district mutually of district's coil, the sense of current of three district's coils and 4th district contrary.And F-EMS
4th district identical with the winding wiring mode in L-EMS mono-district, the winding wiring mode in a district of F-EMS and L-EMS tetra-district
Identical, 2nd district of F-EMS are identical with the winding wiring mode in L-EMS tri-district, 3rd district of F-EMS and L-EMS bis-district
Winding wiring mode is identical.As, 4th district of F-EMS with the winding wiring mode in L-EMS mono-district are: U, W, V；F-EMS
The winding wiring mode in a district and L-EMS tetra-district be: V, W, U；2nd district of F-EMS and the wiring side in L-EMS tri-district
Formula is :-U ,-W ,-V；
Under described electromagnetic braking pattern, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's magnetic
The field direction of motion 13 is contrary, L-EMS with F-EMS is in opposite direction relative to the magnetic field induction district Movement in Magnetic Field of position.As, L-EMS
The Movement in Magnetic Field direction in one, two districts 101,102 and magnetic induction three, four district 203 and 204 of F-EMS towards a left side, and
The Movement in Magnetic Field direction court in magnetic field induction one, two district 201 and 202 in the three of L-EMS, four districts 103,104 and F-EMS
Right.
Described electromagnetic braking pattern, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deep
Enter to molten steel core.
Described electromagnetic braking pattern uses DC current to power, and is unidirectional current by rectification circuit by the AC rectification of input
Realize.Its winding wiring mode is as follows: the district 104 of district of district of magnetic induction one district 101, two 102, three 103, four of L-EMS
Wiring connects forward current；District of district of magnetic induction one district 201, two 202, three 203, four district 204 wiring of F-EMS connects reversely
Electric current.
Described integrated mode is by upper end induction apparatus L16、F18 kinds of patterns of 8 and lower end induction apparatus L26、F2The 8 of 9
Kind of mode combinations, it may be assumed that single rotary mode, double dish pattern, add fast mode, deceleration mode, four dish deceleration modes, four
Dish adds fast mode, two district's patterns, the use of electromagnetic braking pattern combination of two, can be combined intoThe pattern of kind.
Therefore, the mode of electromagnetic stirring of level one vertical circulation is merged, it is achieved that the three-dimensional stirring in multi-mode flow field, this is this
The big feature of bright one.
The invention have the advantages that and beneficial effect:
The present invention optimizes design inner arc magnetic stirrer L16、L27 and outer arc magnetic stirrer F18、F2The configuration of 9 and
Installation site on copper plate of crystallizer 5 so that it is in induction apparatus L16 and induction apparatus F1The iron core upper limb of 8 maintains an equal level with meniscus,
Become meniscus magnetic stirrer, mainly solve cc billet surface quality problem.And L27 and F2The installation site of 9 is its iron core
Upper limb distance meniscus 250-350mm, for conventional crystallizer magnetic stirrer, mainly solves continuous casting billet internal soundness.Cause
This, described multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device becomes meniscus magnetic stirrer and conventional knot
The assembly of brilliant device magnetic stirrer, is provided simultaneously with two kinds of functions such as meniscus electromagnetic agitation and conventional crystallizer electromagnetic agitation.
Designed by upper and lower dual inductor, and every induction apparatus is built into four electromagnetism magnetic field induction districts, it is achieved molten steel (4)
Independent regulation both horizontally and vertically, it is achieved thereby that strand internal magnetic field and the three-dimensional regulation of flow location form and control
System, greatly strengthen electromagnetic agitation function.
The multi-functional multimodal plate slab crystallizer electromagnetism flow control device using the present invention can be to the steel of slab caster mould
Liquid carries out multimodal 3 D electromagnetic stirring, stir mode up to 64 kinds, both can realize molten steel entirety electromagnetic agitation, it is possible to
Subregion electromagnetic agitation, alr mode is flexible.At present, continuous casting is commonly used overall monocycle stream stir mode in producing,
Under the conditions of different continuous casting process, it is impossible to the magnetic field exciting magnetic stirrer carries out local and regulates and controls, it is also difficult to improve in strand
Nowed forming, it is clear that can on produce high-quality strand bring certain impact.Use the multi-mode sheet billet continuous casting of the present invention
Crystallizer electromagnetism flow control device, can select different stir modes flexibly according to on-the-spot actual process parameter, thus reach relatively
Good mixing effect, has preferable application prospect.
Accompanying drawing explanation
Fig. 1 is the multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetic mixing apparatus schematic diagram of the present invention
Fig. 2 is the structural representation of the inner arc magnetic stirrer L-EMS of the present invention, upper and lower two induction apparatuss labelling respectively
For L1 (6), L2 (7).And the structure of outer arc magnetic stirrer F-EMS is symmetrical with its minute surface, upper and lower two induction apparatuss divide
It is not labeled as F1 (8), F2 (9)
Fig. 3 is that coil uses concentratred winding form to be wound on the salient pole of iron core
Fig. 4 is that coil uses Gramer's winding configuration to be wound in the yoke between two salient poles of iron core
Fig. 5 is that coil uses Gramer's winding configuration to be wound on rectangle iron core
Fig. 6 is the wiring of single rotary mode of the present invention, magnetic field and molten steel direction of motion schematic diagram
Fig. 7 is the wiring of double dish patterns of the present invention, magnetic field and molten steel direction of motion schematic diagram
Fig. 8 is that the electromagnetism of the present invention adds the wiring of fast mode, magnetic field and molten steel direction of motion schematic diagram
Fig. 9 is the wiring of electromagnetic deceleration pattern of the present invention, magnetic field and molten steel direction of motion schematic diagram
Figure 10 is the wiring of four dish deceleration modes of the present invention, magnetic field and molten steel direction of motion schematic diagram
Figure 11 is that four dish of the present invention add the wiring of fast mode, magnetic field and molten steel direction of motion schematic diagram
Figure 12 is the wiring of two district's rotary modes of the present invention, magnetic field and molten steel direction of motion schematic diagram
Figure 13 is the wiring of electromagnetic braking pattern of the present invention, magnetic field and molten steel direction of motion schematic diagram
Figure 14 is the schematic diagram of the single rotary mode electromagnetic deceleration pattern that the present invention combines.
Description of reference numerals: 1--inner arc magnetic stirrer (writing a Chinese character in simplified form L--EMS)；2--outer arc magnetic stirrer (is write a Chinese character in simplified form
F--EMS)；The 3--mouth of a river；4--molten steel；5--copper coin；6--inner arc upper end magnetic stirrer (L1)；7--inner arc lower end electricity
Magnetic stirrer (L2)；8--outer arc upper end magnetic stirrer (F1)；9--outer arc lower end magnetic stirrer (F2)；10--ferrum
Core；11--coil；12--magnetic shield；13--magnetic field traffic direction；The 14--molten steel direction of motion；101--inner arc electromagnetism
Electromagnetic induction one district of agitator；Electromagnetic induction two district of 102--inner arc magnetic stirrer；103--inner arc magnetic stirrer
Electromagnetic induction three district；Electromagnetic induction four district of 104--inner arc magnetic stirrer；The electromagnetism of 201--outer arc magnetic stirrer
Sense a district；Electromagnetic induction two district of 202--outer arc magnetic stirrer；The electromagnetic induction three of 203--outer arc magnetic stirrer
District；Electromagnetic induction four district of 204--outer arc magnetic stirrer；
Detailed description of the invention
Fig. 1 is the multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetic mixing apparatus schematic diagram of the present invention, is divided into inner arc electricity
Magnetic stirrer (1) (writing a Chinese character in simplified form L EMS) and outer arc magnetic stirrer (2) (writing a Chinese character in simplified form F EMS), be separately positioned on crystallization
Device copper coin (5) interior outer arc.Molten steel (4) passes through in the middle of copper plate of crystallizer (5).
L EMS (1) and F EMS (2) is respectively provided with upper and lower two induction apparatuss, is respectively labeled as L1(6)、L2(7)
And F1(8)、F2(9)；L EMS (1) and F EMS (2) is respectively provided with four magnetic induction districts, L EMS simultaneously
(1) four magnetic induction districts are respectively labeled as (101), (102), (103), (104)；Four of F EMS (2)
Magnetic induction district is respectively labeled as (201), (202), (203), (204).Magnetic field amount size, the side in each magnetic induction district
To and the size of current of magnetic induction district interior loop, direction, three-phase electricity phase sequence all can independent regulation and change.By changing
The Movement in Magnetic Field direction in each magnetic induction district, polarity of the magnetic field, magnetic induction district interior loop sense of current and phase sequence can combine
Go out multiple MOLTEN STEEL FLOW pattern, the most only lift than more typical 8 bottom horizontal flow sheet patterns illustratively: monocycle stream rotating mould
Formula, double dish pattern, electromagnetism add fast mode, electromagnetic deceleration pattern, four dish deceleration modes, four dish add fast mode, 2nd district revolve
Rotary-die type, electromagnetic braking pattern, the integrated mode of above pattern combination of two.By upper end induction apparatus L1 (6), F1 (8)
8 kinds of patterns and lower end induction apparatus L2 (6), 8 kinds of pattern combination of two of F2 (9), 64 kinds of patterns can be derived.
Fig. 3-Fig. 4 is the version of induction apparatus, and induction apparatus includes iron core (10) and coil (11)；According to iron core
Structure is different, and induction apparatus has two kinds of forms, i.e. rectangle and salient pole shape induction apparatus；The iron core (10) of rectangle induction apparatus
Built up by the rectangle electrical steel sheet of multiple slotless；Coil (11) uses Gramer's winding configuration to be wound on rectangle ferrum
On core；The iron core (10) of salient pole shape induction apparatus is built up by the rectangle electrical steel sheet of multiple band salient poles；Coil (11)
Structure includes two kinds of forms, i.e. uses Gramer's winding configuration to be wound in the yoke between two salient poles of iron core, or uses collection
Middle winding configuration is wound on the salient pole of iron core.Induction apparatus is additionally provided with " door font " Magnet clamp (12), Magnet clamp
(12) by high conductivity (σ ＞ 5.8 × 107S/m) copper plate is made, and is respectively fitted over two inner arc magnetic stirrer L
With on two outer arc magnetic stirrer F；The effect of Magnet clamp (12) is to improve the main flux of work surface and reduce inoperative
The leakage field in face；
Fig. 6 is the wiring of monocycle stream rotary mode of the present invention, electromagnetic field and molten steel direction of motion schematic diagram, and monocycle stream revolves
Movement in Magnetic Field direction, four induction areas (13) of the interior outer arc side magnetic stirrer of rotary-die type are consistent, but inner arc side is electric
Magnetic stirrer L-EMS is in opposite direction with the Movement in Magnetic Field of outer arc side magnetic stirrer F-EMS.Due to the molten steel direction of motion
It is (14) consistent with Movement in Magnetic Field direction (13), it is possible to the molten steel in making crystallizer does single rotary motion, it is achieved
Single stir mode.Multi-functional multi-mode EMS device monocycle stream rotary mode, the polarity of the magnetic field that interior outer arc side is corresponding
On the contrary, i.e. inner arc side electricity draws at existing N pole, and the corresponding outer arc electricity place of stirring is S pole, makes the magnetic line of force penetrate molten steel, from N
Pole is to S pole, it is thus possible to make electromagnetic force deeply to molten steel core.The monocycle stream rotating mould of multi-functional multi-mode EMS device
Formula, the mode of connection of this pattern is the sense of current and two, four magnetic strengths in one, three magnetic induction districts of interior outer arc magnetic stirrer
Answer the contrary of district, and the sense of current of the inner arc side magnetic induction district wiring corresponding with outer arc side is contrary, e.g., L-EMS's
Electromagnetic induction one district (101) He Sanqu (103) wiring is U, V, W；2nd district (102) He Siqu (104) wiring
For-U ,-V ,-W；And electromagnetic induction one district (201) He Sanqu (203) wiring of F-EMS is-W ,-V ,-U；Two
District (202) He Siqu (204) wiring is W, V, U.
Fig. 7 is the wiring of double dish patterns of the present invention, electromagnetic field and molten steel direction of motion schematic diagram, double dish patterns inside and outside
Movement in Magnetic Field direction, four induction areas (13) of arc side magnetic stirrer are consistent, and inner arc side magnetic stirrer L-EMS
Identical with the Movement in Magnetic Field direction of outer arc side magnetic stirrer F-EMS.Due to the molten steel direction of motion (14) and Movement in Magnetic Field
Direction (13) is consistent, and the continuity of fluid molten steel motion, it is possible to make molten steel form upper and lower two at crystallizer cross section
Circulation.Inside this pattern deep enough stirring molten steel of energy, it is achieved double dish stir modes of molten steel.Double dish patterns, interior outer arc side
Corresponding polarity of the magnetic field is identical, i.e. inner arc side electricity draws at existing N pole, and the corresponding outer arc electricity place of stirring is N pole, makes magnetic force
Line does not penetrates through molten steel, but stirs adjacent S pole from N pole to same electricity, and electromagnetic stirring force only acts on to molten steel surface.
The mode of connection of double dish patterns is the sense of current and two, four magnetic induction in one, three magnetic induction districts of interior outer arc magnetic stirrer
District contrary, and the sense of current of the inner arc side magnetic induction district wiring corresponding with outer arc side is identical, e.g., the electricity of L-EMS
Magnetic induction one district (101) He Sanqu (103) wiring is U, V, W；2nd district (102) He Siqu (104) wiring is
-U、-V、-W；And electromagnetic induction one district (201) He Sanqu (203) wiring of F-EMS is W, V, U；2nd district (202)
It is-W ,-V ,-U with 4th district (204) wiring.
Fig. 8 is that the electromagnetism of the present invention adds the wiring of fast mode, electromagnetic field and molten steel direction of motion schematic diagram, adds fast mode
One, two districts of interior outer arc side magnetic stirrer are contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side electromagnetic agitation
The Movement in Magnetic Field direction in the magnetic field induction district that device L-EMS is corresponding with outer arc side magnetic stirrer F-EMS is identical.As, interior
Magnetic field induction one district (101) of side electromagnetic agitation L-EMS transports with the magnetic field of (201), 2nd district (102) and (202)
Dynamic direction is towards a left side, and magnetic field induction three district (103) of L-EMS and the magnetic of (203), 4th district (104) and (204)
The field direction of motion is towards the right side, and Movement in Magnetic Field is in opposite direction.Spue in this pattern molten steel direction of motion (14) and the mouth of a river (3)
Molten steel (4) the stream stock direction of motion consistent, thus play the effect accelerating molten steel motion, it is achieved accelerate stir mode.
Add the polarity of the magnetic field that inside and outside fast mode, arc side is corresponding contrary, i.e. inner arc side electricity draws at existing N pole, and corresponding outer arc electricity stirs
Place is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deeply to molten steel core.Accelerate
The mode of connection of pattern is that the magnetic induction of interior outer arc magnetic stirrer any biphase exchange in the coil phase sequence in, 2nd district is
The coil phase sequence in magnetic induction four, three district, the electric current of the magnetic induction district winding wiring that this model inner arc side is corresponding with outer arc side
In opposite direction, e.g., electromagnetic induction one district (101) of L-EMS, 2nd district (102) link up the mode of connection of 6 coils
For V, V, U, U, W, W, Qi Sanqu (103), 4th district (104) are linked up the mode of connection of 6 coils and are: W,
W、U、U、V、V；Electromagnetic induction one district (201) of F-EMS, 2nd district (202) are :-V ,-V ,-U ,-U ,-W,
-W, 3rd district (203), 4th district (204) are :-W ,-W ,-U ,-U ,-V ,-V.
Fig. 9 is the wiring of electromagnetic deceleration pattern of the present invention, electromagnetic field and molten steel direction of motion schematic diagram, this pattern interior
One, two districts of outer arc side magnetic stirrer are contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side magnetic stirrer
Movement in Magnetic Field direction, magnetic field induction district corresponding with outer arc side magnetic stirrer F-EMS for L-EMS is identical.As, interior outside
Electromagnetic agitation L-EMS, magnetic field induction one district (101) of F-EMS and the magnetic of (201), 2nd district (102) and (202)
The direction of motion towards the right side, and magnetic field induction three district (103) of L-EMS Yu F-EMS and (203), 4th district (104) and
(204) Movement in Magnetic Field direction is towards a left side, and Movement in Magnetic Field is in opposite direction.This pattern molten steel direction of motion (14) and mouth of a river
(3) molten steel (4) the stream stock direction of motion spued in is contrary, plays the effect of deceleration molten steel motion, it is achieved stirring of slowing down
Pattern.
The polarity of the magnetic field that in electromagnetic deceleration pattern, outer arc side is corresponding is contrary, i.e. inner arc side electricity draws at existing N pole, corresponding
The outer arc electricity place of stirring is S pole, makes the magnetic line of force penetrate molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deeply to molten steel core
Portion.
The mode of connection of deceleration mode be magnetic induction one, two district of interior outer arc magnetic stirrer coil phase sequence in any biphase exchange
Just for the coil phase sequence in magnetic induction four, three district, the magnetic induction district winding wiring that this model inner arc side is corresponding with outer arc side
The sense of current is contrary, and e.g., electromagnetic induction one district (101) of L-EMS, 2nd district (102) link up the wiring of 6 coils
Mode is: U, U, V, V, W, W, and the mode of connection of 6 coils is linked up in Qi Sanqu (103), 4th district (104)
For: W, W, V, V, U, U；Electromagnetic induction one district (201) of F-EMS, 2nd district (202) are :-U ,-U ,-V,
-V ,-W ,-W, 3rd district (203), 4th district (204) are :-W ,-W ,-V ,-V ,-U ,-U.
Figure 10 is the wiring of four dish deceleration modes of the present invention, electromagnetic field and molten steel direction of motion schematic diagram, this pattern
One, two districts of interior outer arc side magnetic stirrer are contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side electromagnetic agitation
Movement in Magnetic Field direction, magnetic field induction district corresponding with outer arc side magnetic stirrer F-EMS for device L-EMS is identical.Interior outside electricity
Magnetic field induction one district (101) of magnetic stirring L-EMS, F-EMS and the magnetic field of (201), 2nd district (102) and (202)
The direction of motion is towards the right side, and magnetic field induction three district (103) of L-EMS Yu F-EMS and (203), 4th district (104) and (204)
Movement in Magnetic Field direction towards a left side, Movement in Magnetic Field is in opposite direction.This pattern molten steel direction of motion (14) is interior with the mouth of a river (3)
The molten steel (4) spued flows the stock direction of motion on the contrary, plays the effect of deceleration molten steel motion, it is achieved slow down the mould stirred of holding concurrently
Formula.The polarity of the magnetic field that in four dish deceleration modes, outer arc side is corresponding is identical, i.e. inner arc side electricity draws at existing N pole, corresponding
The outer arc electricity place of stirring is N pole, makes the magnetic line of force not penetrate through molten steel, but stirs adjacent S pole from N pole to same electricity, due to
The continuity of molten steel motion, molten steel movement locus forms the circulating-area of four.The mode of connection of four dish deceleration modes is inside and outside
The sense of current in the one of arc magnetic stirrer, two magnetic induction districts is contrary, any biphase line being changed to magnetic induction four, three district mutually
Circle phase sequence, and the mode of the inner arc side magnetic induction district wiring corresponding with outer arc side is identical, e.g., the electromagnetic induction of L-EMS
Electromagnetic induction one district (201) wiring of one district (101) and F-EMS is U, V, W, Qi Erqu (102) and (202)
Wiring is-U ,-V ,-W；Interior outer arc magnetic stirrer one district winding wiring mode is arbitrarily exchanged biphase phase sequence, is
4th district (104), mode of connection W of (204), V, U, interior outer arc magnetic stirrer three district (103), (203) coil
Wiring electric current and the contrary of 4th district are-W ,-V ,-U；
Figure 11 is that four dish of the present invention add the wiring of fast mode, electromagnetic field and molten steel direction of motion schematic diagram, this pattern
One, two districts of interior outer arc side magnetic stirrer are contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side electromagnetic agitation
Movement in Magnetic Field direction, magnetic field induction district corresponding with outer arc side magnetic stirrer F-EMS for device L-EMS is identical.Interior outside electricity
Magnetic field induction one district (101) of magnetic stirring L-EMS, F-EMS and the magnetic field of (201), 2nd district (102) and (202)
The direction of motion is towards a left side, and magnetic field induction three district (103) of L-EMS Yu F-EMS and (203), 4th district (104) and (204)
Movement in Magnetic Field direction towards the right side, Movement in Magnetic Field is in opposite direction.This pattern molten steel direction of motion (14) is interior with the mouth of a river (3)
Molten steel (4) the stream stock direction of motion of discharge is identical, plays the effect accelerating molten steel motion, it is achieved accelerate the mould of double stirring
Formula.It is identical that four dish add the polarity of the magnetic field that inside and outside fast mode, arc side is corresponding, i.e. inner arc side electricity draws at existing N pole, corresponding
The outer arc electricity place of stirring is N pole, makes the magnetic line of force not penetrate through molten steel, but stirs adjacent S pole from N pole to same electricity, due to
The continuity of molten steel motion, molten steel movement locus forms the circulating-area of four.It is inside and outside that four dish add the mode of connection of fast mode
Any biphase exchange in one district of arc magnetic stirrer and the wiring that the conversion sense of current is two district's electromagnetic induction, a district is any
The biphase wiring being changed to four district's coils mutually, 3rd district are contrary with the sense of current in 4th district.As, electromagnetic induction one district of L-EMS
(101), (201) wiring is U, W, V；4th district (104), the mode of connection of (204) be: V, W, U, 2nd district (102),
(202) sense of current of coil and a district (101), (201) contrary, its mode of connection is :-U ,-W ,-V；
3rd district (103), the sense of current of (203) coil and 4th district contrary, its mode of connection is :-V ,-W ,-U；
Figure 12 is the wiring of two district's rotary modes of the present invention, electromagnetic field and molten steel direction of motion schematic diagram, this pattern
One, two districts of interior outer arc side magnetic stirrer are contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side electromagnetic agitation
Magnetic field induction district Movement in Magnetic Field corresponding with outer arc side magnetic stirrer F-EMS for device L-EMS is in opposite direction.As, inside and outside
The one of side electromagnetic agitation L-EMS, 2nd district (101), (102) and F-EMS magnetic field induction three, four district (203) with
(204) Movement in Magnetic Field direction towards a left side, and three, four districts (103) of interior outside electromagnetic agitation L-EMS, (104) with
The magnetic field induction one, two district (201) of F-EMS and the Movement in Magnetic Field direction of (202) are towards the right side.Inside and outside two district's rotary modes
The corresponding polarity of the magnetic field in arc side is contrary, i.e. inner arc side electricity draws at existing N pole, and the corresponding outer arc electricity place of stirring is S pole, makes
The magnetic line of force penetrates molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deeply to molten steel core.Connecing of two district's rotary modes
Line mode is that the sense of current in the one of inner arc magnetic stirrer, two magnetic induction districts is contrary, any biphase exchange of district's coil
The wiring in Wei Qi tetra-district, the sense of current of three district's coils and 4th district contrary.And the four of outer arc side magnetic stirrer F-EMS
District is identical with the mode of connection in L-EMS mono-district, and a district of F-EMS is identical with the mode of connection in L-EMS tetra-district, F-EMS
2nd district identical with the mode of connection in L-EMS tri-district, 3rd district of F-EMS are identical with the mode of connection in L-EMS bis-district.As,
4th district of F-EMS with the mode of connection in L-EMS mono-district are: U, W, V；One district of F-EMS and the wiring in L-EMS tetra-district
Mode is: V, W, U；2nd district of F-EMS with the mode of connection in L-EMS tri-district are :-U ,-W ,-V；
Figure 13 is the wiring of electromagnetic braking pattern of the present invention, electromagnetic field and molten steel direction of motion schematic diagram, this pattern
One, two districts of interior outer arc side magnetic stirrer are contrary with three, four Movement in Magnetic Field directions, district (13), inner arc side electromagnetic agitation
Magnetic field induction district Movement in Magnetic Field corresponding with outer arc side magnetic stirrer F-EMS for device L-EMS is in opposite direction.As, inside and outside
The one of side electromagnetic agitation L-EMS, 2nd district (101), (102) and F-EMS magnetic field induction three, four district (203) with
(204) Movement in Magnetic Field direction is super left, and three, four districts (103) of interior outside electromagnetic agitation L-EMS, (104) with
The magnetic field induction one, two district (201) of F-EMS is super right with the Movement in Magnetic Field direction of (202).Inside and outside electromagnetic braking pattern
The corresponding polarity of the magnetic field in arc side is contrary, i.e. inner arc side electricity draws at existing N pole, and the corresponding outer arc electricity place of stirring is S pole, makes
The magnetic line of force penetrates molten steel, from N pole to S pole, it is thus possible to make electromagnetic force deeply to molten steel core.Electromagnetic braking pattern uses
Be DC current, be that unidirectional current realizes by the rectification circuit in automatically controlled by the AC rectification of input.Its wiring is as follows:
Electromagnetic induction one district (101) of L-EMS, 2nd district (102), 3rd district (103), 4th district (104) wiring connect forward current；
Electromagnetic induction one district (201) of F-EMS, 2nd district (202), 3rd district (203), 4th district (204) wiring connect reverse current.
Figure 14 is the schematic diagram of the monocycle stream rotary mode electromagnetic deceleration pattern that the present invention combines, and is by upper end a pair
Induction apparatus L1 (6) and F1 (8) uses monocycle stream rotary mode, a pair, lower end induction apparatus L2 (6) and F2 (9)
The electromagnetic deceleration pattern of use, the schematic diagram of combination monocycle stream rotary mode electromagnetic deceleration pattern out.
Techniques as described above scheme is equally applicable to sheet billet continuous casting two chill space electromagnetic stirring, falls within the protection model of this patent
Enclose.
Embodiment of the present invention is only the description carrying out the preferred embodiment of the present invention, not to structure of the present invention
Thinking and scope is defined, on the premise of without departing from design philosophy of the present invention, in this area, engineers and technicians are to this
Various modification that bright technical scheme is made and improvement, all should fall into protection scope of the present invention, and the present invention is claimed
Technology contents, all records in detail in the claims.
Claims (10)
1. a multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device, it is characterised in that include inner arc electromagnetism
Agitator (1) and outer arc magnetic stirrer (2), be abbreviated as L EMS (1) and F EMS (2) respectively；L—EMS
And F EMS (2) is separately positioned on copper plate of crystallizer (5) inner arc and outer arc (1)；Molten steel (4) is from copper plate of crystallizer
(5) pass through in the middle of；Position, the mouth of a river corresponds to L EMS (1) and the middle of F EMS (2)；
L EMS (1) and F EMS (2) is provided with upper and lower two induction apparatuss, the top and bottom of L EMS (1)
Induction apparatus is respectively labeled as L1(6)、L2(7), the top and bottom induction apparatus of F EMS (2) is respectively labeled as F1(8)、
F2(9)；Each induction apparatus of L EMS (1) and F EMS (2) is provided with four magnetic induction districts simultaneously；Each magnetic
Induction zone is all individually controlled by PLC, and PLC is by being connected with the coil in this magnetic induction district, it is achieved to coil current
Size, direction, the control of phase sequence, to change Movement in Magnetic Field direction (13) and polarity of the magnetic field, thus change molten steel motion
Direction (14)；By changing Movement in Magnetic Field direction and the polarity of the magnetic field in each magnetic induction district, it is combined into multiple MOLTEN STEEL FLOW
Pattern；
Upper end induction apparatus L1And F (6)1(8) iron core upper limb maintains an equal level with meniscus.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 1, its feature exists
In, each induction apparatus includes 12 coils, builds four magnetic induction districts, each magnetic induction by exciting travelling-magnetic-field rule
District includes 3 coils；
For a pair induction apparatus of L-EMS and F-EMS, by four magnetic induction districts of L-EMS (1) the most successively
It is designated as magnetic induction one district (101), magnetic induction two district (102), magnetic induction three district (103) and magnetic induction four district (104),
Magnetic induction district of four, the magnetic induction district of F-EMS (2) is designated as magnetic induction one district (201), magnetic induction two district the most successively
(202), magnetic induction three district (203), magnetic induction four district (204)；
Described MOLTEN STEEL FLOW pattern includes single rotary mode；
Under single rotary mode, L-EMS with F-EMS is: four magnetic induction districts Movement in Magnetic Field direction (13) are consistent；
But the Movement in Magnetic Field of L-EMS with F-EMS is in opposite direction；
Described single rotary mode, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is S pole；
The winding wiring mode of described single rotary mode is: L-EMS and F-EMS is: the line in magnetic induction one, three district
Loop current direction is contrary with the direction of the winding current in magnetic induction two, four district；And the magnetic induction that L-EMS with F-EMS is corresponding
District's the direction of the winding current is contrary.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 2, its feature exists
In, described MOLTEN STEEL FLOW pattern also includes double dish pattern；
Under described pair of dish pattern, L-EMS with F-EMS is: Movement in Magnetic Field direction, four induction areas (13) are consistent,
And the Movement in Magnetic Field direction of L-EMS with F-EMS is identical；
Described pair of dish pattern, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. L-EMS occurs at N pole,
Corresponding F-EMS position is N pole；
The winding wiring mode of described pair of dish pattern is: L-EMS and F-EMS is: the coil electricity in magnetic induction one, three district
Flow path direction is contrary with the direction of the winding current in magnetic induction two, four district, and the magnetic induction district line that L-EMS with F-EMS is corresponding
Loop current direction is identical.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 3, its feature exists
In, described MOLTEN STEEL FLOW pattern also includes that electromagnetism adds fast mode；
Described electromagnetism adds under fast mode, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's magnetic
The field direction of motion (13) is contrary；And L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction in the magnetic induction district of position；
Magnetic induction one district (101) of L-EMS and F-EMS and the Movement in Magnetic Field direction of (201), 2nd district (102) and (202)
Towards a left side, and magnetic induction three district (103) of L-EMS and F-EMS and the magnetic of (203), 4th district (104) and (204)
The field direction of motion is towards the right side；
Described electromagnetism adds fast mode, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is S pole；
Described electromagnetism adds the winding wiring mode of fast mode: L-EMS and F-EMS is: the line in magnetic induction one, two district
In circle phase sequence, any biphase exchange is just for the coil phase sequence in magnetic induction four, three district, this pattern L-EMS and F-EMS phase para-position
The magnetic induction district the direction of the winding current put is contrary.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 4, its feature exists
In, described MOLTEN STEEL FLOW pattern also includes electromagnetic deceleration pattern；
Under described electromagnetic deceleration pattern, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's magnetic
The field direction of motion (13) is contrary, and L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction in the magnetic field induction district of position；
Magnetic induction one district (101) of L-EMS and F-EMS and the Movement in Magnetic Field direction of (201), 2nd district (102) and (202)
Towards the right side, and magnetic induction three district (103) of L-EMS and F-EMS and the magnetic of (203), 4th district (104) and (204)
The field direction of motion is towards a left side；
Described electromagnetic deceleration pattern, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is S pole；
The winding wiring mode of described electromagnetic deceleration pattern is: L-EMS and F-EMS is: the line in magnetic induction one, two district
In circle phase sequence, any biphase exchange is just for the coil phase sequence in magnetic induction four, three district, L-EMS with F-EMS is relative to the magnetic of position
The sense of current of induction zone winding wiring is contrary.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 5, its feature exists
In, described MOLTEN STEEL FLOW pattern also includes four dish deceleration modes；
Under described four dish deceleration modes, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's magnetic
The field direction of motion (13) is contrary, L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction, magnetic field induction district of position；L-EMS
Magnetic field induction one district (101) and the Movement in Magnetic Field direction court of (201), 2nd district (102) and (202) with F-EMS
The right side, and magnetic field induction three district (103) of L-EMS Yu F-EMS and the magnetic of (203), 4th district (104) and (204)
The field direction of motion is towards a left side；
Described four dish deceleration modes, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is N pole；
The winding wiring mode of described four dish deceleration modes is: L-EMS and F-EMS is: magnetic induction one district and 2nd district
The sense of current is contrary, any biphase coil phase sequence being changed to magnetic induction four, three district mutually, and L-EMS and F-EMS phase para-position
The mode of the magnetic induction district winding wiring put is identical.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 6, its feature exists
In, described MOLTEN STEEL FLOW pattern also includes that four dish add fast mode；
Described four dish add under fast mode, L-EMS and F-EMS is: magnetic induction one, two district and three, four district's Movement in Magnetic Field
Direction (13) is contrary, and L-EMS with F-EMS is identical relative to the Movement in Magnetic Field direction, magnetic field induction district of position；L-EMS
With magnetic induction one district (101) of F-EMS and (201), 2nd district (102) and (202) Movement in Magnetic Field direction towards a left side,
And magnetic induction three district (103) of L-EMS Yu F-EMS and the Movement in Magnetic Field of (203), 4th district (104) and (204)
Direction is towards the right side；
Described four dish add fast mode, L-EMS with F-EMS is identical relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is N pole；
Described four dish add the winding wiring mode of fast mode: L-EMS and F-EMS is: any the two of magnetic induction one district
Exchanging and convert the wiring that the sense of current is magnetic induction two district coil mutually, a district is any biphase is changed to connecing of four district's coils mutually
Line, 3rd district are contrary with the sense of current in 4th district.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 7, its feature exists
In, described MOLTEN STEEL FLOW pattern also includes two district's rotary modes；
Under described two district's rotary modes, L-EMS and F-EMS is: one, 2nd district and three, four Movement in Magnetic Field directions, district (13)
On the contrary, L-EMS with F-EMS is in opposite direction relative to the magnetic induction district Movement in Magnetic Field of position；
Described two district's rotary modes, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is S pole；
The winding wiring mode of described two district's rotary modes is that the sense of current in magnetic induction one, two district of L-EMS is contrary, one
Any biphase wiring being changed to its 4th district mutually of district's coil, the sense of current of three district's coils and 4th district contrary；And F-EMS
4th district identical with the winding wiring mode in L-EMS mono-district, the winding wiring mode in a district of F-EMS and L-EMS tetra-district
Identical, 2nd district of F-EMS are identical with the winding wiring mode in L-EMS tri-district, 3rd district of F-EMS and L-EMS bis-district
Winding wiring mode is identical.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 8, its feature exists
In, described MOLTEN STEEL FLOW pattern also includes electromagnetic braking pattern；
Under described electromagnetic braking pattern, L-EMS and F-EMS is: magnetic induction one, two district and magnetic induction three, four district's magnetic
The field direction of motion (13) is contrary, L-EMS with F-EMS is in opposite direction relative to the magnetic field induction district Movement in Magnetic Field of position；
Described electromagnetic braking pattern, L-EMS with F-EMS is contrary relative to the polarity of the magnetic field of position, i.e. N pole occurs in L-EMS
Place, corresponding F-EMS position is S pole；
Described electromagnetic braking pattern uses DC current to power, and its winding wiring mode is as follows: magnetic induction one district of L-EMS
(101), 2nd district (102), 3rd district (103), 4th district (104) coil connect forward current；Magnetic induction one district of F-EMS
(201), 2nd district (202), 3rd district (203), 4th district (204) coil connect reverse current.
Multi-functional multi-mode continuous casting crystallizer for plate billet electromagnetism flow control device the most according to claim 9, its feature exists
In, described MOLTEN STEEL FLOW pattern also includes integrated mode；
Described integrated mode is by upper end induction apparatus L1And F (6)1(8) above-mentioned 8 kinds of patterns of composition and lower end
Induction apparatus L2And F (6)2(9) any two kinds of combinations in above-mentioned 8 kinds of patterns of composition, it may be assumed that by single rotary mode,
Double dish patterns, electromagnetism add fast mode, electromagnetic deceleration pattern, four dish deceleration modes, four dish add fast mode, two district's rotating moulds
Formula and electromagnetic braking pattern combination of two use, and obtainThe pattern of kind.
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Application publication date: 20160914 |