CN102398002A - Steel belt wheel-type continuous casting machine for continuous casting of lead belts - Google Patents
Steel belt wheel-type continuous casting machine for continuous casting of lead belts Download PDFInfo
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- CN102398002A CN102398002A CN2011103778321A CN201110377832A CN102398002A CN 102398002 A CN102398002 A CN 102398002A CN 2011103778321 A CN2011103778321 A CN 2011103778321A CN 201110377832 A CN201110377832 A CN 201110377832A CN 102398002 A CN102398002 A CN 102398002A
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Abstract
The invention relates to a continuous casting equipment of non-ferrous alloy, providing a steel belt wheel-type continuous casting machine for continuous casting of lead belts. A steel belt supporting structure is arranged on the radial outer side of the cavity section corresponding to the crystalizing wheel. The steel belt supporting structure comprises at least one set of supporting bodies, the steel belt being positioned between the supporting body and the crystallizing wheel. One side of the crystallizing wheel corresponding to the steel belt tightly clings to the crystallizing wheel rim on both sides of the crystallizing cavity, while the other side tightly clings to the supporting body; a supporting structure external cooling device and a supporting structure internal cooling device are arranged; the cooling system of the steel belt comprises a steel belt spray cooling device and a contact-type cooling device formed by steel belt supporting structure. By arranging the steel belt supporting structure, the deformation of the steel belt is avoided, and enough cooling capacity is provided, which is applicable to the continuous casting of lead belts of large height and width.
Description
Technical field
The present invention relates to the continuous casting installation for casting of non-ferrous alloy, especially a kind of wheeled conticaster of steel band that is used for the plumbous band of continuous casting.
Background technology
Grid is the important component part of lead-acid accumulator, and its effect comprises as electronics collector and fixing active material.In the use of lead-acid accumulator, the active material of porous can permeate sulfuric acid, causes grid to corrode, and influences the life-span that recycles of grid, and then the durability of battery is caused significant effects; Simultaneously, the delivery request grid of electronics has good electrical conductivity, and requiring in use, its corrosion product has lower impedance, especially anode plate grid.Have confidential relation between the corrosion resistance of grid and the crystal structure, therefore in order to improve the crystal structure of grid, with decay resistance and the passivation product that improves grid, usual way comprises the employing of alloying elements such as adding antimony and casting-rolling technology.Compare with the grid of direct casting, the casting moulding process is at first cast strand, and calendering forms thin lead ribbon to strand then, finally forms grid through technologies such as otch stretchings afterwards.Because organizing of rolling feasible plumbous band is finer and close, mechanical strength is high, the endurable burn into cycle life of passing through of the grid of therefore being produced prolongs.
The moulding of strand can be adopted die casting or continuous casting.The gravity casting method is adopted in plumbous die casting, and the die cavity of mould, die joint be setting longitudinally all, implement easily, but setting time is long, and production efficiency is low, and plumbous liquid is a large amount of to be exposed and the position dispersion, and lead fume pollutes big.The automaticity of continuous casting is high, and plumbous liquid only exposes near crystallizing wheel, can reduce lead fume through the mode of concentrating exhausting and pollute, and therefore pollutes little.But lead density is very big---1m
3Heavily about 11.3 tons of pure lead, tensile strength is extremely low---the tensile strength of pure lead is about 3～7kgf/mm
2, and matter is soft, causes present continuous casting installation for casting when producing plumbous band, and casting blank cross-section size all receives certain restriction.Continuous casting installation for casting to commonly used specifies as follows:
One, soaks casting machine, immerse in the molten bath, have certain thickness metal tape in the shaping roller continuous formation in surface through cooling forming roller with rotation.Melt traction continuous casting installation for casting, the cooling forming roller through tundish and rotation matches, and the molten metal in the tundish molten bath applies and formation has certain thickness metal tape at the cooling forming roller surface of rotation incessantly.But because gravity can destroy the continuity of deposite metal on roller, when casting machine is soaked in employing with the plumbous band of melt traction continuous casting installation for casting continuous casting, can't the bigger lead band of continuous casting thickness, especially be directed against the metal of freezing range broad such as low-antimony-lead alloy.At present, adopt the plumbous tape thickness of both continuous castings to be generally about 1mm.But the lead band that soaks casting machine and melt traction continuous casting installation for casting continuous casting is thin, and setting rate is fast, no die cavity, exhaust and convenient, so cast sturcture is good, casting flaw such as seldom form bubble, crackle and loosen.Soak casting machine, melt traction continuous casting installation for casting at present and be mainly used in direct continuous casting grid.
Two, double-roller continuous casting machine is usually used in the sheet billet continuous casting of steel band, and two rollers are oppositely arranged, and molten metal pours into two roller gap places by two rollers top and forms the molten bath; With the rotation of roller, the molten metal in the molten bath forms continuous base shell and gets into the cooling roller bed of roller below through the cooling of roller; Not solidified molten metal further cools off at cooling roller bed in the base shell, and final formation solidifies strand completely.But when being used for plumbous continuous casting; Because plumbous matter is soft, tensile strength is low and density is big; Therefore base shell intensity is low, yielding, and the uniformity of producing plumbous tape thickness in order to guarantee just needs the amount of not solidifying plumbous liquid in the restriction base shell; Therefore be difficult to improve the plumbous tape thickness of its continuous casting, the thickness of the plumbous band of its continuous casting usually about 5mm, be no more than 10mm.
Three, the wheeled conticaster of steel band comprises crystallizing wheel, steel band train, steel band without a head, and steel band is tightened through the steel band train and with the rotation campaign of active wheeled steel, crystallizing wheel rotation and external cylindrical surface are provided with the crystallization cavity of indent; Crystallizing wheel is installed on the steel band outside, and its part external cylindrical surface and steel band lateral surface are close to, and forms the die cavity that circumferentially extends along crystallizing wheel through the crystallization cavity of this part of steel band sealing; The die cavity two ends; One end is that casting gate, the other end are the throwing mouth; Through the cooling of cooling system to steel band, crystallizing wheel, the molten metal that is injected by casting gate progressively solidifies in die cavity and forms strand, with the motion of crystallizing wheel, steel band; Strand is pulled out by the throwing mouth, and strand is sent into rollgang through the access bridge of arc then.
The wheeled conticaster of steel band receives great restriction equally on casting blank cross-section size.Specifically, in order to guarantee that molten metal replenishes the automatic of solidification shrinkage in process of setting, the casting gate of die cavity is usually located at crystallizing wheel top; The traction of strand for ease, throwing mouth are usually located at the middle part or the bottom of crystallizing wheel, and strand weight mainly relies on steel band to support; But steel band is tightened through a plurality of wheeled steels and with the rotation campaign of active wheeled steel, and steel band guarantees being close to of itself and crystallizing wheel through self tension force, therefore requires steel band thinner, possesses better elastic and toughness.The requirement of elasticity, toughness has limited the raising of steel band self intensity, so the weight capacity of steel band is restricted, and corresponding casting blank cross-section size is restricted; Especially for the width dimensions of strand, the rolling ratio in order to guarantee to obtain to satisfy possesses under the certain thickness prerequisite at strand; Increase with the casting blank section width; Receive the double influence that size increases, load-bearing increases, the strip deformation amount increases, and is easy to generate random deformation such as to reverse; Cause slab thickness inequality, steel band to the poorly sealed of crystallization cavity even inefficacy; Poor sealing causes further that molten metal leaks or cooling water gets into die cavity, in case and cooling water gets into die cavity and very easily sets off an explosion, must also be that the width of strand limits therefore to steel band.
In addition, steel band contacts with molten metal, strand and is heated, and reduces with the rising of temperature of steel strips, intensity, very easily causes the distortion, fracture of steel band etc.; And under hot conditions, work for a long time; Also be unfavorable for the maintenance of steel band elasticity, toughness; Therefore for service life of normally the carrying out of the normal freezing that guarantees plumbous liquid, continuous casting, steel band; Just need cool off timely steel band, also promptly in the steel band both sides relatively the opposite side setting of crystallizing wheel to the cooling system of steel band, as: extend and bosh through the steel band sealing, some water-cooling-sprayers of arranging along the steel band bearing of trend along steel band.With the increase of casting blank cross-section size, need to increase the cooling capacity of cooling system; If to be that steel band provides complete, the supporting construction of continuous support along the die cavity bearing of trend but be provided with; Thereby limit strip deformation and guarantee steel band and the cooperation of crystallizing wheel; What just will inevitably take cooling system is provided with space, flow of cooling water or jet path; And then cause the reduction of cooling capacity, therefore the supporting construction of steel band can't be set.At present, the plumbous tape thickness that adopts the wheeled conticaster preparation of steel band about 10mm, width generally is no more than 140mm.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly can continuous casting be used for the plumbous wheeled conticaster of being with of steel band of continuous casting greater than the lead band of existing width and thickness.
The technical solution adopted for the present invention to solve the technical problems is: be used for the wheeled conticaster of steel band of the plumbous band of continuous casting, comprise cooling system, the cooling water system of frame, crystallizing wheel, steel band train, steel band without a head, steel band; The external cylindrical surface of said crystallizing wheel is provided with the crystallization cavity of indent, and crystallizing wheel is tightened and walked around to said steel band through the steel band train, through the partially crystallizable chamber formation die cavity of steel band sealing crystallizing wheel; Radial outside in the corresponding die cavity part of said crystallizing wheel is provided with the steel band supporting construction, and said steel band supporting construction is installed on the frame; Said steel band supporting construction comprises at least one group of supporter, said supporter comprise corresponding crystallization cavity the steel band supporting surface, lay respectively at along the axial both sides of crystallizing wheel and the respectively steel band stitching surface of corresponding crystallization cavity two side flange of steel band supporting surface; Said steel band is between supporter and crystallizing wheel, and the crystallizing wheel wheel rim of the both sides, syncrystallization chamber, a side side of the corresponding crystallizing wheel of said steel band is close to, the opposite side side is close to the steel band stitching surface and the steel band supporting surface of supporter; Be provided with the outer cooling device of supporting construction that links to each other with the cooling water system and supporting body surface is cooled off; Be respectively arranged with cavity in each supporter, said cavity links to each other with the cooling water system and constitutes cooling device in the supporting construction that supporter inside is cooled off; The cooling system of said steel band comprises steel band is sprayed the steel band spray cooling device of cooling and the contact cooling device that is made up of the steel band supporting construction.
Further, said supporter is provided with the cooling water spray orifice of cavity in one group of connected component support body outside and the supporter, and said steel band spray cooling device comprises the cooling water spray orifice of injection direction towards steel band.As a kind of preferred, said supporter adopts the backing roll that rolls and cooperate with steel band, and the outside array of orifices of said cooling water spray orifice is on the external cylindrical surface of backing roll; The outer cooling device of said supporting construction comprises the cooling water spray orifice of injection direction towards the adjacent supports body.Preferred as another kind, said supporter adopts the back-up block that is slidingly matched with steel band, and the outside array of orifices of said cooling water spray orifice is on back-up block and steel band facing surfaces.Further, said back-up block and steel band facing surfaces are gone into battle and are shown one group of groove through this surface, and the aperture, the outside of said cooling water spray orifice is positioned at groove.Further, the section of said cooling water spray orifice is a rectangle, and the length direction of rectangle to be parallel to crystallizing wheel axial.
Further, said supporter is provided with at interval, and said steel band spray cooling device comprises and is arranged on the steel band cooling spray in the gap between the adjacent supports body.Further, the surface of the corresponding steel band of said supporter is provided with one group of bosh, is communicated with the gap between this supporter and the both sides adjacent supports body by bosh.
Further, the central angle that said die cavity is corresponding is more than or equal to 180 °.
Further, by crossing the axial fore-and-aft plane of crystallizing wheel crystallizing wheel is divided into first area and second area, said casting gate is positioned at the top of crystallizing wheel first area, and said throwing mouth is positioned at the bottom of crystallizing wheel second area; Be provided with the strand conveying mechanism that comprises access bridge, rollgang, slab supporting mechanism; The conveyor surface of said access bridge is that a level and smooth curved surface and an end is higher than the other end, and the end that said access bridge is high is positioned at the crystallizing wheel top, a low end is positioned at the outside of crystallizing wheel second area; Said rollgang one end be positioned at crystallizing wheel top and with the high end of access bridge links to each other, the other end is positioned at the crystallizing wheel first area the outside; Said slab supporting mechanism extends below to the top of the throwing mouth position of crystallizing wheel by the outside of crystallizing wheel second area is oblique, and the end that said access bridge is low is positioned at the top of slab supporting mechanism away from crystallizing wheel one end.
The invention has the beneficial effects as follows: the steel band supporting construction is cooled off steel band when steel band is provided support, thus the interference on the space that has existed when having avoided supporting construction and steel band cooling system to be provided with respectively.During use, the even type of thickness and the die cavity sealing of correspondence position strand have been guaranteed through supporter; Die cavity beyond the corresponding die cavity of supporter; Corresponding steel band length is little; Receive the restriction of adjacent supports body simultaneously; The deflection possibility little, random deformation of the steel band that this part die cavity is corresponding is little, has guaranteed the sealing and the corresponding slab thickness uniformity of this part die cavity, therefore can be at continuous casting enough enabling capabilities of acquisition during greater than the lead band of existing width and thickness.Can effectively guarantee cooling, thereby guarantee the cooling of supporter through cooling device, the outer cooling device of supporting construction in the supporting construction steel band to supporter; The corresponding steel band of die cavity beyond the corresponding die cavity of supporter; Through the cooling of steel band spray cooling device spray; When cooling device cools off supporter outside supporting construction simultaneously; Therefore cooling water flow to this part steel band or reflexes to this part steel band through supporting body surface and cools off, can be in continuous casting enough cooling capacities of acquisition during greater than the lead band of existing width and thickness.Therefore, the wheeled conticaster of steel band of the present invention can continuous casting greater than the lead band of existing width and thickness.
Description of drawings
Fig. 1 is the structural representation of the wheeled conticaster of steel band of the present invention;
Fig. 2 is the a-quadrant partial enlarged drawing of Fig. 1;
Fig. 3 is the cooperation sketch map of the wheeled conticaster steel band of steel band of the present invention, backing roll, crystallizing wheel;
Fig. 4 is the radially cross-sectional schematic of the wheeled conticaster backing roll of steel band of the present invention;
Fig. 5 be between the wheeled conticaster adjacent supports of steel band of the present invention roller shower nozzle sketch map is set.
The specific embodiment
The wheeled conticaster of steel band that is used for the plumbous band of continuous casting of the present invention comprises cooling system, the cooling water system of frame 100, crystallizing wheel 200, steel band train, steel band without a head 301, steel band 301; The external cylindrical surface of said crystallizing wheel 200 is provided with the crystallization cavity 201 of indent, and crystallizing wheel 200 is tightened and walked around to said steel band 301 through the steel band train, through the partially crystallizable chamber 201 formation die cavities of steel band 301 sealing crystallizing wheels 200; Radial outside in said crystallizing wheel 200 corresponding die cavity parts is provided with the steel band supporting construction, and said steel band supporting construction is installed on the frame 100; Said steel band supporting construction comprises at least one group of supporter, said supporter comprise corresponding crystallization cavity 201 the steel band supporting surface, lay respectively at along crystallizing wheel 200 axial both sides and the respectively steel band stitching surface of 201 liang of side flange 202 of corresponding crystallization cavity of steel band supporting surface; Said steel band is between supporter and crystallizing wheel 200, and crystallizing wheel 200 wheel rims 202 of 201 both sides, syncrystallization chamber, a side side of the corresponding crystallizing wheel 200 of said steel band are close to, the opposite side side is close to the steel band stitching surface and the steel band supporting surface of supporter; Be provided with the outer cooling device of supporting construction that links to each other with the cooling water system and supporting body surface is cooled off; Be respectively arranged with cavity 430 in each supporter, said cavity 430 links to each other with the cooling water system and constitutes cooling device in the supporting construction that supporter inside is cooled off; The cooling system of said steel band 301 comprises steel band 301 is sprayed the steel band spray cooling device of cooling and the contact cooling device that is made up of the steel band supporting construction.
During use,, guaranteed the sealing of correspondence position die cavity through the steel band stitching surface of supporter, the effect of 202 pairs of steel bands 301 of crystallizing wheel 200 wheel rims; Through of the support of steel band supporting surface, guaranteed that correspondence position steel band 301 along the axial grazing of crystallizing wheel 200, has guaranteed the thickness even type of strand to steel band 301.Die cavity beyond the corresponding die cavity of supporter, corresponding steel band 301 length are little, and are therefore also little along the circumferential deflection of crystallizing wheel 200; Receive the restriction of adjacent supports body, limited the random deformation such as torsional deflection of the steel band 301 of this part die cavity correspondence, therefore guaranteed the sealing and the corresponding slab thickness uniformity of this part die cavity.Can effectively guarantee cooling, thereby guarantee the cooling of supporter through cooling device, the outer cooling device of supporting construction in the supporting construction steel band 301 to supporter; The corresponding steel band 301 of die cavity beyond the corresponding die cavity of supporter; Through the cooling of steel band spray cooling device spray; When cooling device cools off supporter outside supporting construction simultaneously; Therefore cooling water flow to this part steel band 301 or reflexes to this part steel band 301 through supporting body surface and cools off, can be in continuous casting enough cooling capacities of acquisition during greater than the lead band of existing width and thickness.
Supporter can adopt multiple structure; As: with steel band 301 the roll backing roll 410 that cooperates, and the back-up block that is slidingly matched of steel band 301, many narrow steel strips being tightened by drive roll, driven voller etc., wherein back-up block can adopt square back-up block, V-type back-up block, arc sliding shoes etc. again.The backing roll 410 that roll to cooperate contact with steel band 301 lines, and it is little to wear and tear, and steel band 301 moves more smoothness, but receives backing roll 410 circularity and the fit clearance that is rotatably assorted thereof, adjacent supports roller 410 that the influence of spacing is set, and support effect is weaker than and is slidingly matched; Simultaneously, the contact cooling effect of line contact is poor, but has the gap between the adjacent supports roller 410, the good cooling results of spray cooling.Be slidingly matched, it is unrestricted that spacing is set, and can contact by the formation face when adopting the arc sliding shoes, so support effect is good, but the wearing and tearing of back-up block, steel band 301 is big, and steel band 301 running resistances are big, even cause locking; Simultaneously, the contact position that is slidingly matched is many, close, the contact good cooling results, but the cooling water of spray be difficult for to get into the gap of 301 of back-up block and steel bands, and therefore the cooling effect of spray cooling is relatively poor.Many narrow steel strips by drive roll, driven voller are tightened can provide good supporting through narrow steel strip, and narrow steel strip and steel band 301 relative motions, and it is little therefore to rub, wear and tear; Simultaneously, can spray cooling to steel band 301, therefore combine the advantage of backing roll 410 and back-up block through the gap between the adjacent narrow steel band.But narrow steel strip mechanism need be provided with the drive system of drive roll, is provided with, safeguards complicacy, as a kind of the simplest drive system, can drive roll and crystallizing wheel 200 be constituted planetary gears through gear ring is set, and realizes the rotation of drive roll.
Further, said supporter is provided with the cooling water spray orifice 501 of cavity 430 in one group of connected component support body outside and the supporter, and said steel band spray cooling device comprises the cooling water spray orifice 501 of injection direction towards steel band 301.The cooling water of cooling device can quicken cooling-water flow in the cavity 430 through 501 ejections of cooling water spray orifice in the supporting construction, guarantees the cooling of supporting construction internal cooling system to supporter.
When supporter adopted the backing roll 410 that cooperates with steel band 301 rollings, the outside array of orifices of said cooling water spray orifice 501 was on the external cylindrical surface of backing roll 410; The outer cooling device of said supporting construction comprises the cooling water spray orifice 501 of injection direction towards the adjacent supports body, and said steel band spray cooling device comprises the cooling water spray orifice 501 of injection direction towards steel band 301, therefore simplifies whole structure greatly.When said supporter adopts the back-up block that is slidingly matched with steel band 301; The outside array of orifices of said cooling water spray orifice 501 is on back-up block and steel band 301 facing surfaces, and cooling water spray orifice 501 guarantees that the cooling water of spray can get in the gap of 301 of back-up block and steel bands.Further; Said back-up block and steel band 301 facing surfaces are gone into battle and are shown one group of groove through this surface; The aperture, the outside of said cooling water spray orifice 501 is positioned at groove; Groove be provided with the smooth discharge that is beneficial to cooling water, steam, especially when back-up block adopted with the full arc sliding shoes that contacts of steel band 301, being provided with of groove guaranteed that cooling water can spray smoothly.When adopting back-up block, with the increase of contact area, the effect of contact cooling is good more, therefore in order to guarantee the low temperature of back-up block 420, can also be provided with fin on the opposite side of the relative steel band 301 of said back-up block, to strengthen the heat exchange efficiency of back-up block.
Further, the section of said cooling water spray orifice 501 is a rectangle, and the length direction of rectangle to be parallel to crystallizing wheel 200 axial.The cooling water spray orifice 501 of rectangular cross section can increase water yield, sprays line simultaneously and is banded or fan-shaped, can further avoid the distortion of steel band 301 through the impulsive force of line.
Except constituting the steel band spray cooling device by the cooling water spray orifice 501 of injection direction towards steel band 301; The steel band spray cooling device can also adopt following form: said supporter is provided with at interval, and said steel band spray cooling device comprises and is arranged on the steel band cooling spray 503 in the gap between the adjacent supports body.Can certainly adopt above-mentioned dual mode to constitute the steel band spray cooling device simultaneously.
Further, the surface of the corresponding steel band 301 of said supporter is provided with one group of bosh 502, by the gap that bosh 502 is communicated with between this supporter and the both sides adjacent supports body, has guaranteed cooling water flowing along steel band 301; Especially, when independent employing was arranged between the adjacent supports body steel band cooling spray in the gap 503 and constitutes the steel band spray cooling devices, bosh 502 can guarantee that cooling water is through between the mating surface that gets into supporter and steel band 301.
Because width, the thickness of plumbous band all increase, so after strand pulled out by throwing mouth 204, the possibility of the distortion of being conducted oneself with dignity increased.Therefore, further, the central angle of said die cavity correspondence is more than or equal to 180 °.Thereby can carry out temperature adjustment to strand with throwing mouth 204 adjacent die cavity positions, thereby reduce the intensity of strand temperature, enhancing strand.
The wheeled conticaster of traditional steel band receives the restriction of upper belt-wheel 302, and cast tundish and throwing mouth 204 are positioned at the same side of crystallizing wheel 200; Simultaneously; Casting sloping platform for fear of with casting tundish and tundish produces interference; Usually rollgang 120 is positioned at the opposite side of crystallizing wheel 200 relative tundish and is positioned at crystallizing wheel 200 tops, and the arc access bridge 110 that is extended to crystallizing wheel 200 top rollgangs 120 starting point ends by near the bending throwing mouth 204 is set between rollgang 120 and the throwing mouth 204.Strand between throwing mouth 204 and rollgang 120 moves upward, and receives deadweight to influence easy deformation even fracture.Therefore further, by crossing crystallizing wheel 200 axial fore-and-aft planes crystallizing wheel 200 is divided into first area and second area, said casting gate 203 is positioned at the top of crystallizing wheel 200 first areas, and said throwing mouth 204 is positioned at the bottom of crystallizing wheel 200 second areas; Be provided with the strand conveying mechanism that comprises access bridge 110, rollgang 120, slab supporting mechanism; The conveyor surface of said access bridge 110 is that a level and smooth curved surface and an end is higher than the other end, and said access bridge 110 high ends are positioned at crystallizing wheel 200 tops, a low end is positioned at the outside of crystallizing wheel 200 second areas; Said rollgang 120 1 ends be positioned at crystallizing wheel 200 tops and with access bridge 110 outside that a high end links to each other, the other end is positioned at crystallizing wheel 200 first areas; Said slab supporting mechanism extends below to the top of throwing mouth 204 positions of crystallizing wheel 200 by the outside of crystallizing wheel 200 second areas is oblique, and said access bridge 110 low ends are positioned at the top of slab supporting mechanism away from crystallizing wheel 200 1 ends.Through the setting of slab supporting mechanism, make access bridge 110 throwing mouths 204 1 ends move outward, reduce the gradient of access bridge 110, strengthened the enabling capabilities of access bridge 110 to strand on it; Simultaneously, between throwing mouth 204 and access bridge 110, form good supporting, therefore can effectively avoid the distortion even the fracture of strand between throwing mouth 204 and the rollgang 120 through the slab supporting mechanism.
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Embodiment one
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, the wheeled conticaster of steel band shown in Figure 5; Can produce width is that 360mm, thickness are the lead band of 40mm, comprises cooling system, the cooling water system of frame 100, crystallizing wheel 200, steel band train, steel band without a head 301, steel band 301.
Crystallizing wheel 200 external diameters are 1800mm; The external cylindrical surface of crystallizing wheel 200 is provided with the crystallization cavity 201 of indent; Crystallizing wheel 200 is tightened and walked around to said steel band 301 through the steel band train; Partially crystallizable chamber 201 through steel band 301 sealing crystallizing wheels 200 constitutes the die cavity that circumferentially extends along crystallizing wheel 200, and the central angle that die cavity is corresponding is 215 °.
Die cavity one end is that casting gate 203, the other end are throwing mouth 204; By crossing crystallizing wheel 200 axial fore-and-aft planes crystallizing wheel 200 is divided into first area and second area; Said casting gate 203 is positioned at the top of crystallizing wheel 200 first areas, and said throwing mouth 204 is positioned at the bottom of crystallizing wheel 200 second areas; The upper belt-wheel 302 of steel band train is corresponding with casting gate 203 positions, and the following belt wheel 303 of steel band train is corresponding with throwing mouth 204 positions, and the steel band 301 of corresponding die cavity stretches tight on crystallizing wheel 200 through upper belt-wheel 302, following belt wheel 303.
Be provided with the strand conveying mechanism that comprises access bridge 110, rollgang 120, slab supporting mechanism; The conveyor surface of said access bridge 110 is that a level and smooth curved surface and an end is higher than the other end, and said access bridge 110 high ends are positioned at crystallizing wheel 200 tops, a low end is positioned at the outside of crystallizing wheel 200 second areas; Said rollgang 120 for straight roller-way and an end be positioned at crystallizing wheel 200 tops and with access bridge 110 outside that a high end links to each other, the other end is positioned at crystallizing wheel 200 first areas; Said slab supporting mechanism extends below to the top of throwing mouth 204 positions of crystallizing wheel 200 by the outside of crystallizing wheel 200 second areas is oblique, and said access bridge 110 low ends are positioned at the top of slab supporting mechanism away from crystallizing wheel 200 1 ends.Be provided with first splitter 131 that separates strand and crystallizing wheel 200, second splitter 132 that separates strand and steel band 301, shown in second splitter 132 be arranged on down belt wheel 303 tops; For simplified structure, constitute the slab supporting mechanism by the steel band 301 between second splitter 132 and crystallizing wheel 200 and the following belt wheel 303.
Radial outside in said crystallizing wheel 200 corresponding die cavity parts is provided with the steel band supporting construction, and said steel band supporting construction is installed on the frame 100.Said steel band supporting construction comprises one group of supporting stick 410, each backing roll 410 axially all to be parallel to crystallizing wheel 200 axial.The external cylindrical surface of said supporting stick 410 comprise corresponding crystallization cavity 201 the steel band supporting surface, lay respectively at along crystallizing wheel 200 axial both sides and the respectively steel band stitching surface of 201 liang of side flange 202 of corresponding crystallization cavity of steel band supporting surface; Said steel band is between supporting stick 410 and crystallizing wheel 200, and crystallizing wheel 200 wheel rims 202 of 201 both sides, syncrystallization chamber, a side side of the corresponding crystallizing wheel 200 of said steel band are close to, the opposite side side is close to the steel band stitching surface and the steel band supporting surface of supporting stick 410.
Be provided with the arc support 160 that is installed on the frame 100, each backing roll 410 is installed on the arc support 160 through elastic compression mechanism 440 respectively.Said elastic compression mechanism 440 comprise arc leaf spring 441, regulate support; Said adjusting support comprises fixed support 442, travel(l)ing rest 443, threaded adjusting mechanism 444; Said fixed support 442 radially slides guiding with travel(l)ing rest 443 along crystallizing wheel 200 and cooperates, threaded adjusting mechanism 444 is with fixed support 442 axial restraints and be rotatably assorted, with travel(l)ing rest 443 threaded engagement; Said fixed support 4 is fixedly mounted on the arc support 160, and 410 two of said backing rolls are a pair of and be installed in leaf spring 441 two ends through bearing 413 respectively, and leaf spring 141 middle parts are fixed on the travel(l)ing rest 443 through clamp 446 and U-bolt 445.
Be provided with the arc spray pipeline 504 that is fixed on the arc support 160; Be provided with along crystallizing wheel 200 and axially insert steel band cooling spray 503, the backing roll cooling spray 505 in the gap between the adjacent supports roller 410, each steel band cooling spray 503, backing roll cooling spray 505 all are communicated with arc spray pipeline 504 and are fixing through arc spray pipeline 504.
Claims (10)
1. be used for the wheeled conticaster of steel band of the plumbous band of continuous casting, comprise frame (100), crystallizing wheel (200), steel band train, steel band without a head (301), the cooling system of steel band (301), cooling water system; The external cylindrical surface of said crystallizing wheel (200) is provided with the crystallization cavity (201) of indent, and crystallizing wheel (200) is tightened and walked around to said steel band (301) through the steel band train, through partially crystallizable chamber (201) the formation die cavity of steel band (301) sealing crystallizing wheel (200); It is characterized in that:
Radial outside in the corresponding die cavity part of said crystallizing wheel (200) is provided with the steel band supporting construction, and said steel band supporting construction is installed on the frame (100); Said steel band supporting construction comprises at least one group of supporter, said supporter comprise corresponding crystallization cavity (201) the steel band supporting surface, lay respectively at the steel band supporting surface along crystallizing wheel (200) the axially both sides and the steel band stitching surface of corresponding crystallization cavity (201) two side flange (202) respectively; Said steel band is positioned between supporter and the crystallizing wheel (200), and crystallizing wheel (200) wheel rim (202) of the both sides, syncrystallization chamber, a side side (201) of the corresponding crystallizing wheel of said steel band (200) is close to, the opposite side side is close to the steel band stitching surface and the steel band supporting surface of supporter;
Be provided with the outer cooling device of supporting construction that links to each other with the cooling water system and supporting body surface is cooled off; Be respectively arranged with cavity (430) in each supporter, said cavity (430) links to each other with the cooling water system and constitutes cooling device in the supporting construction that supporter inside is cooled off;
The cooling system of said steel band (301) comprises steel band (301) is sprayed the steel band spray cooling device of cooling and the contact cooling device that is made up of the steel band supporting construction.
2. the wheeled conticaster of steel band that is used for the plumbous band of continuous casting as claimed in claim 1; It is characterized in that: said supporter is provided with the cooling water spray orifice (501) of cavity (430) in one group of connected component support body outside and the supporter, and said steel band spray cooling device comprises the cooling water spray orifice (501) of injection direction towards steel band (301).
3. the wheeled conticaster of steel band that is used for the plumbous band of continuous casting as claimed in claim 2; It is characterized in that: said supporter adopts the backing roll (410) that rolls and cooperate with steel band (301), and the outside array of orifices of said cooling water spray orifice (501) is on the external cylindrical surface of backing roll (410); The outer cooling device of said supporting construction comprises the cooling water spray orifice (501) of injection direction towards the adjacent supports body.
4. the wheeled conticaster of steel band that is used for the plumbous band of continuous casting as claimed in claim 2; It is characterized in that: said supporter adopts the back-up block that is slidingly matched with steel band (301), and the outside array of orifices of said cooling water spray orifice (501) is on back-up block and steel band (301) facing surfaces.
5. the wheeled conticaster of steel band that is used for the plumbous band of continuous casting as claimed in claim 4; It is characterized in that: said back-up block and steel band (301) facing surfaces is gone into battle and is shown one group of groove through this surface, and the aperture, the outside of said cooling water spray orifice (501) is positioned at groove.
6. like claim 2,3, the 4 or 5 described wheeled conticasters of steel band that are used for the plumbous band of continuous casting, it is characterized in that: the section of said cooling water spray orifice (501) is a rectangle, and the length direction of rectangle is parallel to crystallizing wheel (200) axially.
7. like claim 1,2,3, the 4 or 5 described wheeled conticasters of steel band that are used for the plumbous band of continuous casting; It is characterized in that: said supporter is provided with at interval, and said steel band spray cooling device comprises and is arranged on the steel band cooling spray (503) in the gap between the adjacent supports body.
8. the wheeled conticaster of steel band that is used for the plumbous band of continuous casting as claimed in claim 7; It is characterized in that: the surface of the corresponding steel band of said supporter (301) is provided with one group of bosh (502), is communicated with the gap between this supporter and the both sides adjacent supports body by bosh (502).
9. the wheeled conticaster of steel band that is used for the plumbous band of continuous casting as claimed in claim 1 is characterized in that: the central angle of said die cavity correspondence is more than or equal to 180 °.
10. like claim 1 or the 9 described wheeled conticasters of steel band that are used for the plumbous band of continuous casting; It is characterized in that: crystallizing wheel (200) is divided into first area and second area by crossing the axial fore-and-aft plane of crystallizing wheel (200); Said casting gate (203) is positioned at the top of crystallizing wheel (200) first area, and said throwing mouth (204) is positioned at the bottom of crystallizing wheel (200) second area; Be provided with the strand conveying mechanism that comprises access bridge (110), rollgang (120), slab supporting mechanism; The conveyor surface of said access bridge (110) is that a level and smooth curved surface and an end is higher than the other end, and the end that said access bridge (110) is high is positioned at the outside that crystallizing wheel (200) top, a low end are positioned at crystallizing wheel (200) second area; Said rollgang (120) one ends be positioned at crystallizing wheel (200) top and link to each other with the high end of access bridge (110), the outside of the other end is positioned at crystallizing wheel (200) first area; Said slab supporting mechanism extends below to the top of throwing mouth (204) position of crystallizing wheel (200) by the outside of crystallizing wheel (200) second area is oblique, and the end that said access bridge (110) is low is positioned at the top of slab supporting mechanism away from crystallizing wheel (200) one ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103778321A CN102398002A (en) | 2011-11-24 | 2011-11-24 | Steel belt wheel-type continuous casting machine for continuous casting of lead belts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103778321A CN102398002A (en) | 2011-11-24 | 2011-11-24 | Steel belt wheel-type continuous casting machine for continuous casting of lead belts |
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| Publication Number | Publication Date |
|---|---|
| CN102398002A true CN102398002A (en) | 2012-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103778321A Pending CN102398002A (en) | 2011-11-24 | 2011-11-24 | Steel belt wheel-type continuous casting machine for continuous casting of lead belts |
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| Country | Link |
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| CN (1) | CN102398002A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249136A (en) * | 2014-09-04 | 2014-12-31 | 内蒙古汇豪镁业有限公司 | Belt-type continuous semisolid casting-rolling manganese alloy plate belt blank device |
| CN105689658A (en) * | 2014-11-27 | 2016-06-22 | 潞安卓泰祥和金属科技宜兴有限公司 | Continuous casting machine |
| CN106552906A (en) * | 2015-09-24 | 2017-04-05 | 潞安卓泰祥和金属科技宜兴有限公司 | A kind of continuous casting machine |
| CN109128062A (en) * | 2017-06-15 | 2019-01-04 | 四川奥信通科技发展有限公司 | The wheeled conticaster of steel band |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104249136A (en) * | 2014-09-04 | 2014-12-31 | 内蒙古汇豪镁业有限公司 | Belt-type continuous semisolid casting-rolling manganese alloy plate belt blank device |
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| CN106552906A (en) * | 2015-09-24 | 2017-04-05 | 潞安卓泰祥和金属科技宜兴有限公司 | A kind of continuous casting machine |
| CN109128062A (en) * | 2017-06-15 | 2019-01-04 | 四川奥信通科技发展有限公司 | The wheeled conticaster of steel band |
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Application publication date: 20120404 |