CN105779697A - 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
- CN105779697A CN105779697A CN201410822221.7A CN201410822221A CN105779697A CN 105779697 A CN105779697 A CN 105779697A CN 201410822221 A CN201410822221 A CN 201410822221A CN 105779697 A CN105779697 A CN 105779697A
- Authority
- CN
- China
- Prior art keywords
- spray gun
- slide block
- fixing slide
- fixed
- guide runner
- Prior art date
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Links
- 239000007921 spray Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract description 53
- 229910052742 iron Inorganic materials 0.000 title abstract description 20
- 238000007664 blowing Methods 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 230000004807 localization Effects 0.000 claims description 7
- 239000007937 lozenge Substances 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 abstract description 20
- 230000023556 desulfurization Effects 0.000 abstract description 16
- 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 4
- 239000007924 injection Substances 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 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
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003756 stirring 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 method.
Background technology
During magnesium calcium composite blowing technique desulfurization, at the molten iron expulsion problem of winding-up process, it is always up the difficult problem in hot metal pretreatment technology.The reason of splash is many-sided, and intricate.Than more prominent reason it is: the splash produced of stirring of molten iron is spilt ferrum by spray gun in desulfuration injection process.
The generally individually employing steel welding structure of desulfuring spray gun gun rack of magnesium calcium composite blowing technique.In molten iron pretreatment winding-up process, air-flow and magnesium metal reaction that conveying gas, magnesium metal gasification and steam produce in molten iron make molten iron surface produce to seethe, make spray gun all around significantly swing in hot-metal bottle, molten iron in tank can be produced very big mixing power.Particularly when desulfuring spray gun discharge opening is near molten iron tank skin, desulphurised hot metal splashing distance more than hot-metal bottle radius, will produce splash and seriously spill ferrum.
Ferrum harm is spilt in desulfurization splash:
1) molten iron loss is serious: the every tank of molten iron loss amount caused due to splash is about between 0.1～1 ton, on average about 0.55 ton.
2) device damage is serious: owing to splash is serious, soldering iron road phenomenon often occur, causes railway deformation, fracture.
3) post labor strength is big: owing to splash is serious, and per tour at least to be taken out and spill ferrum between cleaning winding-up in 1.5 hours.
4) desulfurization station operating rate reduces: process splash is spilt ferrum and reduced desulfurization station operating rate, and the actual job rate at present desulfurization station only has 70%～80%, and often results in the ferrum phenomenon generations such as converter smelting.
5) potential safety hazard is big: the cooled plate, the splash guard that cause due to desulfurization splash are hung ferrum and easily caused object strike accident；Soldering iron road finds not in time, it is also possible to cause great production accident.
According to statistics: in Hot Metal Pretreatment, desulfuring spray gun all around swings and causes desulfurization splash to spill iron to account for and always spill about the 80% of iron, and ratio is bigger sometimes.Therefore the key issue of ferrum is spilt in solution desulfurization splash is stable spray gun.Rifle swings more little in winding-up process, and it is more few that ferrum is spilt in splash；Otherwise it is more many.
In Desulfurization by injecting method technique, desulfurization gun rack is steel welding structure, and desulfuring spray gun is fixed on lift cart, and drive system drives lift cart and spray gun to move up and down.If making lift cart not produce displacement all around in desulfuration injection process, just reaching spray gun location, having reduced splash and spill the purpose of ferrum.
Summary of the invention
For overcoming the deficiencies in the prior art, it is an object of the invention to provide a kind of hot metal pretreatment spray gun positioner and localization method, it is prevented that spray gun all around significantly swings in hot-metal bottle, and then solve the problem that ferrum is spilt in desulfurization splash.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of hot metal pretreatment spray gun positioner, including gunjet rack, lift cart, spray gun it is fixed with bottom lift cart, also include fixing slide block, guide runner, bracing frame, two fixing slide blocks are fixed on the both sides of gunjet rack respectively through bracing frame, lift cart both sides are fixed with guide runner, and fixing slide block is provided with chute, and guide runner and chute match.
Described fixing slide block is connected by slide with guide runner.
Described fixing slide block is wedge shape, and chute is arranged on the lozenges of fixing slide block, guide runner and fixing slide block grafting.
Described bracing frame is connected by bolt is fixing with the upper, middle and lower segment of fixing slide block.
A kind of hot metal pretreatment spray gun localization method, fixing slide block is fixed on spray gun and blows a position, and lift cart drives spray gun to drop to spray gun when blowing, and guide runner is plugged in the chute of fixing slide block, it is achieved fixing to spray gun.
Compared with prior art, the invention has the beneficial effects as follows:
In desulfuration injection process, the ferrum phenomenon of spilling caused of all around rocking of desulfuring spray gun substantially eliminates, and simultaneously the equipment such as spray gun gun rack, lift cart is effectively protected, and the desulfuring spray gun life-span significantly improves.The grafting utilizing fixing slide block and guide runner is fixed, and eliminates the generation of the dancing all around of spray gun, and the wedge structure of fixing slide block adds grafting area, meanwhile, coordinates lift cart and spray gun deadweight to also prevent moving up and down of spray gun；Significantly reduce the molten iron loss that splash causes；Stop owing to splash effectively causes deformation, fracture, soldering iron road phenomenon；Reduce post labor strength；Improve desulfurization station operating rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation (spray gun blows position at spray gun) of the present invention.
Fig. 3 is the structural representation of fixing slide block.
Fig. 4 is the structural representation of fixing slide block.
In figure: 1-gunjet rack 2-spray gun 3-lift cart 4-bracing frame 5-fixes slide block 6-guide runner 7-chute.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is described in detail, it should be noted that the enforcement of the present invention is not limited to following embodiment.
See Fig. 1-Fig. 4, a kind of hot metal pretreatment spray gun positioner, including gunjet rack 1, lift cart 3, spray gun 2 it is fixed with bottom lift cart 3, also including fixing slide block 5, guide runner 6, bracing frame 4, two fixing slide blocks 5 are fixed on the both sides of gunjet rack 1 respectively through bracing frame 4, and lift cart 3 both sides are fixed with guide runner 6, fixing slide block 5 is provided with chute 7, and guide runner 6 and chute 7 match.
Wherein, fixing slide block 5 is slidably connected by chute 7 with guide runner 6.Fixing slide block 5 be wedge shape, and chute 7 is arranged on the lozenges of fixing slide block 5, guide runner 6 and the grafting of fixing slide block 5.Bracing frame 4 is connected by bolt is fixing with the upper, middle and lower segment of fixing slide block 5.For convenience of making, the cross section of chute 7 is rectangle, it is also possible to be triangle.The length of chute 7 needs to make also dependent on scene.
Hot metal pretreatment spray gun localization method, fixing slide block 5 is fixed on spray gun 2 and blows a position, and lift cart 3 drives spray gun 2 to drop to spray gun 2 when blowing, and guide runner 6 is plugged in the chute 7 of fixing slide block 5, it is achieved fixing to spray gun 2.
Embodiment:
For 100t hot-metal bottle desulfuring spray gun 2 localization method:
The gun rack position installation fixing support rack 4 of position (spray gun 2 runs limit inferior) correspondence of jetting at desulfuring spray gun 2, the fixing slide block 5 of the positive wedge shape irony that each vertically-mounted shape, size are identical in bracing frame 4 both sides, and process a chute 7 as slideway in fixing slide block 5 inclined plane.
Each vertically-mounted reverse wedge shape irony guide runner 6 in lift cart 3 both sides.The inclined-plane of guide runner 6 is identical with chute 7 width of fixing slide block 5, and two inclination angle of inclined plane absolute values are identical.So can ensure that in the inclined-plane of guide runner 6 and the chute 7 of fixing slide block 5, inclined-plane, at winding-up position close registration, makes desulfuring spray gun 2 not produce all around to rock in winding-up process；The self gravitation of desulfuring spray gun 2 and lift cart 3 ensure that desulfuring spray gun 2 does not produce up-down vibration in winding-up process；Thus ensure that desulfuring spray gun 2 is positioned at hot-metal bottle center all the time in winding-up process.
It addition, spray gun 2 gun rack is in long-term running, faint deformation can be produced, affect the locating effect of positioner.For this when installing bracing frame 4, being separately fixed at the upper, middle and lower segment position of fixing slide block 5, one is prevent gunjet rack 1 moderate finite deformation, and two is to deformation gun rack adjustment, also prevent the skew of fixing slide block 5.
The present invention is in desulfuration injection process, and the ferrum phenomenon of spilling caused of all around rocking of desulfuring spray gun 2 substantially eliminates, and simultaneously the equipment such as spray gun 2 gun rack, lift cart 3 is effectively protected, and desulfuring spray gun 2 life-span significantly improves.The grafting utilizing fixing slide block 5 and guide runner 6 is fixed, and eliminates the generation of the dancing all around of spray gun 2, and the wedge structure of fixing slide block 5 adds grafting area, meanwhile, coordinates lift cart 3 and spray gun 2 deadweight to also prevent moving up and down of spray gun 2；Significantly reduce the molten iron loss that splash causes；Stop owing to splash effectively causes deformation, fracture, soldering iron road phenomenon；Reduce post labor strength；Improve desulfurization station operating rate.
Claims (5)
1. a hot metal pretreatment spray gun positioner, including gunjet rack, lift cart, spray gun it is fixed with bottom lift cart, it is characterized in that, also including fixing slide block, guide runner, bracing frame, two fixing slide blocks are fixed on the both sides of gunjet rack respectively through bracing frame, and lift cart both sides are fixed with guide runner, fixing slide block is provided with chute, and guide runner and chute match.
2. a kind of hot metal pretreatment spray gun positioner according to claim 1, it is characterised in that described fixing slide block is connected by slide with guide runner.
3. a kind of hot metal pretreatment spray gun positioner according to claim 1, it is characterised in that described fixing slide block is wedge shape, and chute is arranged on the lozenges of fixing slide block, guide runner and fixing slide block grafting.
4. a kind of hot metal pretreatment spray gun positioner according to claim 1, it is characterised in that described bracing frame is connected by bolt is fixing with the upper, middle and lower segment of fixing slide block.
5. utilize a kind of hot metal pretreatment spray gun localization method that the device described in claim 1-4 realizes, it is characterized in that, fixing slide block is fixed on spray gun and blows a position, and lift cart drives spray gun to drop to spray gun when blowing, guide runner is plugged in the chute of fixing slide block, it is achieved fixing 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 true CN105779697A (en) | 2016-07-20 |
| CN105779697B CN105779697B (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410822221.7A Active CN105779697B (en) | 2014-12-23 | 2014-12-23 | Positioning device and positioning method for molten iron pretreatment spray gun |
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| Country | Link |
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| CN (1) | CN105779697B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108193021A (en) * | 2018-03-07 | 2018-06-22 | 上海梅山工业民用工程设计研究院有限公司 | A kind of rush-harvesting and rush-planting device for steel mill continuous desulfurization blowing desulfurization agent |
| CN108531678A (en) * | 2018-07-06 | 2018-09-14 | 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 |
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| 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 |
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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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108193021A (en) * | 2018-03-07 | 2018-06-22 | 上海梅山工业民用工程设计研究院有限公司 | A kind of rush-harvesting and rush-planting device for steel mill continuous desulfurization blowing desulfurization agent |
| CN108531678A (en) * | 2018-07-06 | 2018-09-14 | 鞍钢股份有限公司 | Installation method of spray gun for molten iron rotary blowing composite desulfurization |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105779697B (en) | 2018-05-29 |
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