CN105779697B - Positioning device and positioning method for molten iron pretreatment spray gun - Google Patents
Positioning device and positioning method for molten iron pretreatment spray gun Download PDFInfo
- Publication number
- CN105779697B CN105779697B CN201410822221.7A CN201410822221A CN105779697B CN 105779697 B CN105779697 B CN 105779697B CN 201410822221 A CN201410822221 A CN 201410822221A CN 105779697 B CN105779697 B CN 105779697B
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- CN
- China
- Prior art keywords
- spray gun
- fixed
- sliding block
- guide runner
- slide blocks
- Prior art date
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- 239000007921 spray Substances 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract description 64
- 229910052742 iron Inorganic materials 0.000 title abstract description 32
- 238000007664 blowing Methods 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 230000004807 localization Effects 0.000 claims description 6
- 239000007937 lozenge Substances 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 abstract description 19
- 230000023556 desulfurization Effects 0.000 abstract description 15
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention relates to a positioning device and a positioning method for a spray gun for molten iron pretreatment, which comprises a spray gun frame and a lifting trolley, wherein the bottom of the lifting trolley is fixedly provided with a spray gun, the positioning device also comprises fixed slide blocks, guide slide blocks and a support frame, the two fixed slide blocks are respectively fixed on two sides of the spray gun frame through the support frame, the two sides of the lifting trolley are fixedly provided with the guide slide blocks, the fixed slide blocks are provided with sliding grooves, and the guide slide blocks are matched with the sliding grooves. The advantages are that: in the desulfurization blowing process, the iron sprinkling phenomenon caused by the front-back and left-right shaking of the desulfurization spray gun is basically eliminated, meanwhile, equipment such as a spray gun rack, a lifting trolley and the like are effectively protected, and the service life of the desulfurization spray gun is obviously prolonged. The fixed sliding block and the guide sliding block are fixedly inserted, so that the phenomenon of swinging of the spray gun all around is eliminated, the insertion area is increased by the wedge-shaped structure of the fixed sliding block, and meanwhile, the lifting trolley and the spray gun are matched to prevent the spray gun from moving up and down due to self weight.
Description
Technical field
The present invention relates to a kind of hot metal pretreatment spray gun positioner and localization methods.
Background technology
It is always hot metal pretreatment technology in the molten iron expulsion problem of injection process during magnesium calcium composite blowing technique desulfurization
In problem.The reason for splash is many, and intricate.Than it is more prominent the reason for be：Spray gun is in desulfuration injection process
In to molten iron agitation generate splash spill iron.
The desulfuring spray gun gun rack of magnesium calcium composite blowing technique generally uses steel welding structure.Molten iron pretreatment was blown
Cheng Zhong, the air-flow and metal reactive magnesium that conveying gas, magnesium metal gasification and vapor generate in molten iron make molten iron surface
Generation is seethed, and spray gun is made all around significantly to be swung in hot-metal bottle, and very big mixing power can be generated to molten iron in tank.Particularly
When desulfuring spray gun discharge hole is close to molten iron tank skin, desulphurised hot metal splashing distance will be more than hot-metal bottle radius, and it is tight to generate splash
Iron is spilt again.
Iron harm is spilt in desulfurization splash：
1) molten iron loss is serious：It is average about to exist between being about 0.1~1 ton per tank due to molten iron loss amount caused by splash
0.55 ton.
2) equipment damage is serious：Since splash is serious, often there is soldering iron road phenomenon, cause railway deformation, fracture.
3) post labor strength is big：Since splash is serious, per tour at least to take out 1.5 it is small when cleaning injection between spill
Iron.
4) desulfurization station operating rate reduces：Iron is spilt in processing splash reduces desulfurization station operating rate, the actual work at present desulfurization station
Industry rate only has 70%~80%, and often results in the generation of the iron such as converter smelting phenomenon.
5) security risk is big：Iron is hung due to cooled plate, splash guard caused by desulfurization splash and easily causes object strike accident；Weldering
Railway is found not in time, it is also possible to cause great production accident.
According to statistics：In Hot Metal Pretreatment, desulfuring spray gun, which is all around swung, to be caused desulfurization splash to spill iron to account for always
80% or so of iron is spilt, sometimes ratio bigger.Therefore the key issue that iron is spilt in solution desulfurization splash is to stablize spray gun.Rifle is spraying
Swing during blowing smaller, it is fewer that iron is spilt in splash；It is otherwise more.
In Desulfurization by injecting method technique, desulfurization gun rack is steel welding structure, and desulfuring spray gun is fixed on lift cart, is driven
System drives lift cart and spray gun to move up and down.If lift cart is made not generated all around during desulfuration injection
Displacement has just achieved the purpose that iron is spilt in spray gun positioning, reduction splash.
The content of the invention
For overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of hot metal pretreatment spray gun positioner and determine
Position method, prevents spray gun from all around significantly being swung in hot-metal bottle, and then solves the problems, such as that iron is spilt in desulfurization splash.
To achieve the above object, the invention is realized by the following technical scheme：
A kind of hot metal pretreatment spray gun positioner, including gunjet rack, lift cart, lift cart bottom is fixed with spray
Rifle, further includes fixed sliding block, guide runner, supporting rack, and two fixed sliding blocks are fixed on the two of gunjet rack by supporting rack respectively
Side, lift cart both sides are fixed with guide runner, and fixed sliding block is equipped with sliding slot, and guide runner matches with sliding slot.
The fixation sliding block is slidably connected with guide runner by sliding slot.
The fixation sliding block is wedge shape, and sliding slot is arranged on the lozenges of fixed sliding block, guide runner and fixed sliding block
Grafting.
The supporting rack is fixedly connected by bolt with the upper, middle and lower segment of fixed sliding block.
A kind of hot metal pretreatment spray gun localization method, fixed sliding block are fixed on spray gun and blow a position, and lift cart drives spray
When spray gun is fallen under rifle blowing, guide runner is plugged into the sliding slot of fixed sliding block, realizes the fixation to spray gun.
Compared with prior art, the beneficial effects of the invention are as follows：
Iron phenomenon is spilt during desulfuration injection, caused by all around the rocking of desulfuring spray gun to substantially eliminate, while spray gun
The equipment such as gun rack, lift cart are effectively protected, and the desulfuring spray gun service life significantly improves.Utilize fixed sliding block and guide runner
Plugged and fixed eliminates the generation of the dancing all around of spray gun, and the wedge structure of fixed sliding block adds grafting area,
Meanwhile lift cart and spray gun dead weight is coordinated to also prevent moving up and down for spray gun；Molten iron caused by significantly reducing splash damages
It loses；Prevent to effectively cause deformation, fracture, soldering iron road phenomenon due to splash；Reduce post labor strength；It improves de-
Sulphur station operating rate.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of the present invention (spray gun blows position in spray gun).
Fig. 3 is the structure diagram of fixed sliding block.
Fig. 4 is the structure diagram of fixed sliding block.
In figure：1- gunjet rack 2- spray gun 3- lift cart 4- supporting racks 5-, which fixes sliding block 6- guide runners 7-, to be slided
Slot.
Specific embodiment
The present invention is described in detail with reference to Figure of description, it should be noted that the implementation of the present invention is unlimited
In following embodiment.
See Fig. 1-Fig. 4, a kind of hot metal pretreatment spray gun positioner, including gunjet rack 1, lift cart 3, lift cart 3
Bottom is fixed with spray gun 2, further includes fixed sliding block 5, guide runner 6, supporting rack 4, and two fixed sliding blocks 5 pass through supporting rack respectively
4 are fixed on the both sides of gunjet rack 1, and 3 both sides of lift cart are fixed with guide runner 6, and fixed sliding block 5 is equipped with sliding slot 7, is oriented to and slides
Block 6 matches with sliding slot 7.
Wherein, fixed sliding block 5 is slidably connected with guide runner 6 by sliding slot 7.Fixed sliding block 5 is wedge shape, and sliding slot 7 is set
On the lozenges of fixed sliding block 5, guide runner 6 and 5 grafting of fixed sliding block.Supporting rack 4 passes through bolt and fixed sliding block 5
Upper, middle and lower segment is fixedly connected.For convenience of making, the rectangular cross-section of sliding slot 7 or triangle.The length of sliding slot 7
Also can need to make according to scene.
Hot metal pretreatment spray gun localization method, fixed sliding block 5 are fixed on spray gun 2 and blow a position, and lift cart 3 drives spray gun
When spray gun 2 is fallen under 2 blowing, guide runner 6 is plugged into the sliding slot 7 of fixed sliding block 5, realizes the fixation to spray gun 2.
Embodiment：
By taking 2 localization method of 100t hot-metal bottles desulfuring spray gun as an example：
The corresponding gun rack position installation fixing support rack 4 in position (spray gun 2 runs limit inferior) is blown in desulfuring spray gun 2, is being propped up
The identical positive wedge-shaped irony of 4 both sides of support each vertically-mounted shape, a size fixes sliding block 5, and in fixed 5 inclined surface of sliding block
A sliding slot 7 is processed as slideway.
In each vertically-mounted reverse wedge shape irony guide runner 6 in 3 both sides of lift cart.The inclined-plane of guide runner 6 is with consolidating
The sliding slot 7 of fixed slider 5 is of same size, and two inclination angle of inclined plane absolute values are identical.It can so ensure inclined-plane and the fixation of guide runner 6
7 outer inclined-plane of sliding slot of sliding block 5 is being blown position close registration, and desulfuring spray gun 2 is made not generated during injection and is all around rocked；
The self gravitation of desulfuring spray gun 2 and lift cart 3 ensure that desulfuring spray gun 2 does not generate up-down vibration during injection；So as to
It ensure that desulfuring spray gun 2 is located in hot-metal bottle center always during injection.
In addition, 2 gun rack of spray gun can generate faint deformation in long-term operational process, the positioning of positioner is influenced
Effect.Therefore when installing supporting rack 4, the upper, middle and lower segment position of fixed sliding block 5 is separately fixed at, first, preventing gunjet rack
1 moderate finite deformation second is that deformation gun rack adjustment, also prevents the offset of fixed sliding block 5.
The present invention spills iron phenomenon during desulfuration injection, caused by all around the rocking of desulfuring spray gun 2 and substantially eliminates,
The equipment such as 2 gun rack of spray gun, lift cart 3 are effectively protected simultaneously, and 2 service life of desulfuring spray gun significantly improves.Utilize fixed sliding block 5
With the plugged and fixed of guide runner 6, the generation of the dancing all around of spray gun 2, the wedge structure of fixed sliding block 5 are eliminated
Grafting area is added, meanwhile, lift cart 3 and the dead weight of spray gun 2 is coordinated to also prevent moving up and down for spray gun 2；It significantly reduces
Molten iron caused by splash loses；Prevent to effectively cause deformation, fracture, soldering iron road phenomenon due to splash；Reduce post work
People's labor intensity；Improve desulfurization station operating rate.
Claims (1)
1. a kind of hot metal pretreatment spray gun positioner, including gunjet rack, lift cart, lift cart bottom is fixed with spray gun,
Fixed sliding block, guide runner, supporting rack are further included, two fixed sliding blocks are fixed on the both sides of gunjet rack by supporting rack respectively,
Lift cart both sides are fixed with guide runner, and fixed sliding block is equipped with sliding slot, and guide runner matches with sliding slot；The fixation
Sliding block is slidably connected with guide runner by sliding slot；It is characterized in that, the fixation sliding block is wedge shape, sliding slot is arranged on fixation
On the lozenges of sliding block, guide runner and fixed sliding block grafting；The supporting rack by bolt and fixed sliding block it is upper, in,
Lower three sections are fixedly connected；A kind of hot metal pretreatment spray gun localization method realized using described device, fixed sliding block are fixed on spray
Rifle blows a position, and lift cart drives when spray gun is fallen under spray gun blowing, and guide runner is plugged into the sliding slot of fixed sliding block, real
Now to the fixation of spray gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410822221.7A CN105779697B (en) | 2014-12-23 | 2014-12-23 | Positioning device and positioning method for molten iron pretreatment spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410822221.7A CN105779697B (en) | 2014-12-23 | 2014-12-23 | Positioning device and positioning method for molten iron pretreatment spray gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105779697A CN105779697A (en) | 2016-07-20 |
| CN105779697B true CN105779697B (en) | 2018-05-29 |
Family
ID=56377865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410822221.7A Active CN105779697B (en) | 2014-12-23 | 2014-12-23 | Positioning device and positioning method for molten iron pretreatment spray gun |
Country Status (1)
| Country | Link |
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| CN (1) | CN105779697B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108193021B (en) * | 2018-03-07 | 2023-03-17 | 上海梅山工业民用工程设计研究院有限公司 | Double-gun device for continuous desulfurization blowing desulfurizer of steel plant |
| CN108531678B (en) * | 2018-07-06 | 2023-06-20 | 鞍钢股份有限公司 | Installation method of spray gun for molten iron rotary blowing composite desulfurization |
| CN112126740A (en) * | 2020-08-25 | 2020-12-25 | 广东韶钢松山股份有限公司 | Converter sublance guide device |
| CN112973561A (en) * | 2021-03-16 | 2021-06-18 | 攀钢集团攀枝花钢铁研究院有限公司 | Molten iron desulfurization equipment and clamping device for rotary desulfurization of molten iron desulfurization equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530782A (en) * | 2012-02-22 | 2012-07-04 | 象王重工股份有限公司 | Hydraulic synchronous lifting hoisting technology and equipment for ultra-large members |
| CN202492537U (en) * | 2012-03-09 | 2012-10-17 | 辽宁科技大学 | Converter oxygen lance lifting device |
| CN103569918A (en) * | 2012-07-31 | 2014-02-12 | 湖北三江航天红阳机电有限公司 | Automatic-detection and falling-protection safety device |
| CN204369923U (en) * | 2014-12-23 | 2015-06-03 | 鞍钢股份有限公司 | Positioning device for molten iron pretreatment spray gun |
-
2014
- 2014-12-23 CN CN201410822221.7A patent/CN105779697B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530782A (en) * | 2012-02-22 | 2012-07-04 | 象王重工股份有限公司 | Hydraulic synchronous lifting hoisting technology and equipment for ultra-large members |
| CN202492537U (en) * | 2012-03-09 | 2012-10-17 | 辽宁科技大学 | Converter oxygen lance lifting device |
| CN103569918A (en) * | 2012-07-31 | 2014-02-12 | 湖北三江航天红阳机电有限公司 | Automatic-detection and falling-protection safety device |
| CN204369923U (en) * | 2014-12-23 | 2015-06-03 | 鞍钢股份有限公司 | Positioning device for molten iron pretreatment spray gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105779697A (en) | 2016-07-20 |
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