CN104831013A - Slag blow-removal mechanism - Google Patents
Slag blow-removal mechanism Download PDFInfo
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- CN104831013A CN104831013A CN201510282378.XA CN201510282378A CN104831013A CN 104831013 A CN104831013 A CN 104831013A CN 201510282378 A CN201510282378 A CN 201510282378A CN 104831013 A CN104831013 A CN 104831013A
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- slag
- blowing
- guide rail
- spray gun
- blowing slag
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Abstract
The invention provides a slag blow-removal mechanism comprising a guide rail frame, a lifting trolley, a slag blow-removal spray gun, a lifting transmission device, a tilting device and a hinging mechanism. The guide rail frame is obliquely arranged on the hinging mechanism; under the action of the tilting device, the guide rail frame can rock around a hinge pin of the hinging mechanism; the lifting trolley is slidably connected to the guide rail frame; the slag blow-removal spray gun is fixed to the lifting trolley, and the head of the slag blow-removal spray gun is located above the level of molten iron; the head of the slag blow-removal spray gun is a multi-nozzle arc pipe which is provided with a plurality of blow branch pipes arranged in an arc form; the lifting transmission device is disposed at the top of the guide rail frame and is used for driving the lifting trolley to slide up and down along the guide rail frame. The slag blow-removal mechanism has the advantages such that the mechanism is suitable for removing the slag under different heights of the molten iron and different tilting angles, the area of slag removal in same periods is large, the slag removal area is small, the efficiency is high, the operating time is short, many furnaces can be operated, the structure is simple, and maintenance is convenient.
Description
Technical field
The invention belongs to technical field of metallurgical equipment, particularly relate to a kind of blowing slag-removing mechanism of desulfurizing iron.
Background technology
In steelmaking process, the molten iron after desulfurization process, must remove the desulfurization slag on molten iron surface, in order to avoid cause back sulphur during steel-making.Steelworks is all configured with slag removal machine and blowing slag-removing device, blowing slag-removing device is the auxiliary slagging-off equipment of desulfurizing iron, its effect is that auxiliary slag removal machine is skimmed, loose slag in effective solution iron ladle, shoddye pull out problem, improve depeeling rate, and then minimizing iron loss, for steel mill produces huge economic benefit.At present, most of blowing slag-removing device, for inserting molten iron level certain depth, causes molten iron to stir by blowing, and utilizes the opposition of steel ladle to make molten iron surface slag gather the other end by one end, finally recycles slag removal machine and pulled down by slag.In order to adapt to high temperature liquid iron, the air blow gun head of insert blowing slag-removing device need use the resistance to material of casting, even if but use the resistance to material of casting, also easily destroyed under the condition of bearing high temperature for a long time, because which limit the operation stove number of rifle head, and also easily there is stifled rifle in insert winding-up, thus slag effect is caught up with in impact.Meanwhile, in order to molten iron stirs the disturbing force to barral of a gun when balancing blowing slag-removing, also must ensure the strength and stiffness (as pinching formula barral of a gun etc.) of barral of a gun, so just make the volume of equipment increase, mechanism is complicated.
Application number be 201120551436.1 Chinese utility model patent provide a kind of contactless blowing slag-removing device, but it only can realize single nozzle blowing slag-removing, and efficiency is low, and the operating time is long; Simultaneously, because desulphurization and slag skimming need consider that iron ladle may be skimmed with tumbling to when different angles at different molten iron level height, so blowing slag-removing device not only needs the lifting of considering to catch up with slag rifle, but also will consider to catch up with slag rifle can swing within the scope of certain angle, only in this way, blowing slag-removing device could meet smelting converter environment requirement.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of non-insertion blowing slag-removing mechanism, for solving the problem that existing blowing slag-removing mechanism can not adapt to carry out skimming and rifle head operation stove number is few under different molten iron level height and different tip-over angle.
For achieving the above object and other relevant objects, the invention provides a kind of non-insertion blowing slag-removing mechanism, the effect of described blowing slag-removing mechanism is the skimming gate blast furnace slag in iron ladle or desulfurization slag caught up with by blowing into slag removal machine, coordinates slag removal machine the blast furnace slag in iron ladle or desulfurization slag to be clawed; Described blowing slag-removing mechanism comprises guide rail bracket, lift cart, blowing slag-removing spray gun, lifting actuator, finger tilt device and linkwork, described guide rail bracket is inclined on described linkwork, and described guide rail bracket can swing around the jointed shaft of described linkwork under the effect of described finger tilt device; Described lift cart is connected on described guide rail bracket slidably, and described blowing slag-removing spray gun is fixed on described lift cart, and the rifle head of described blowing slag-removing spray gun is positioned at above the molten iron level of described iron ladle; Described lifting actuator is arranged on the top of described guide rail bracket, slides up and down along guide rail bracket for driving described lift cart.
Preferably, described finger tilt device comprises base and is arranged on the telescoping cylinder on base, and the expansion link of described telescoping cylinder is connected with described guide rail bracket.
Preferably, described linkwork comprises hinged seat, and described guide rail bracket is hinged on described hinged seat by described jointed shaft.
Preferably, described blowing slag-removing mechanism also comprises chain, and described lifting actuator comprises motor and sprocket wheel, and described motor is for driving described sprocket rotation, and the one ends wound of described chain is on described sprocket wheel, and the other end of described chain connects described lift cart.
Preferably, described blowing slag-removing spray gun with tumble after iron ladle tank skin parallel.
Preferably, the rifle head of described blowing slag-removing spray gun is multi-nozzle curved pipe, and described multi-nozzle curved pipe has several winding-up arm.
Preferably, described winding-up arm is arranged in circular arc.
Preferably, described multi-nozzle curved pipe and described blowing slag-removing spray gun are Flange joint.
Preferably, the top of described guide rail bracket is provided with the first air blowing pipe arrangement, described blowing slag-removing spray gun is provided with the second air blowing pipe arrangement be communicated with it, one end of described first air blowing pipe arrangement connects winding-up source of the gas, and the other end of described first air blowing pipe arrangement is by hose connection described second air blowing pipe arrangement.
As mentioned above, blowing slag-removing mechanism of the present invention, has following beneficial effect:
Blowing slag-removing mechanism of the present invention has lifting and pendulum function of inclining, and can adapt to skim under different molten iron level height and different tip-over angle, meet the processing requirement of molten iron drossing; In use, the rifle head of blowing slag-removing spray gun is positioned at above the molten iron level of iron ladle in blowing slag-removing mechanism of the present invention, and this non-insertion blowing slag-removing mechanism can increase the operation stove number of rifle head.
Further, the rifle head of blowing slag-removing spray gun of the present invention is multi-nozzle curved pipe, and in same time, blowing slag-removing area is large, is so just conducive to raising and skims efficiency, shorten and skim the operating time, be also beneficial to raising depeeling rate simultaneously.
Further, winding-up arm of the present invention is arranged in circular arc, can adapt to the circular tank skin of iron ladle, reduce to catch up with slag dead band.
Further, blowing slag-removing spray gun of the present invention and multi-nozzle curved pipe are Flange joint, because winding-up envrionment temperature is higher, adopt Flange joint conveniently to repair or replace multi-nozzle curved pipe, are conducive to the running cost of reduction equipment.
Accompanying drawing explanation
Fig. 1 is shown as blowing slag-removing mechanism of the present invention and coordinates slag removal machine to carry out the structural representation of skimming.
Fig. 2 is shown as the E direction view of Fig. 1.
Fig. 3 is shown as the partial enlarged drawing at I place in Fig. 2.
Fig. 4 is shown as the K direction view of Fig. 1.
Element numbers explanation
1 guide rail bracket
2 lift carts
3 blowing slag-removing spray guns
4 lifting actuators
5 finger tilt devices
6 linkworks
7 first platforms
8 second platforms
9 multi-nozzle curved pipes
10 winding-up arms
11 first air blowing pipe arrangements
12 second air blowing pipe arrangements
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this specification sheets can understand other advantages of the present invention and effect easily.
With reference in figure 1, figure, A is slag removal machine, B is iron ladle, C is the molten iron top of the slag, and D is hot-metal bottle tipping vehicle, when iron ladle B to be transported to the position after certain angle of being tumbled by iron ladle B of skimming by hot-metal bottle tipping vehicle D, rifle under blowing slag-removing mechanism, rifle head stretches into above the molten iron level C of iron ladle B, is blown into nitrogen, utilizes molten iron level slag to the reactive force of tank skin, blast furnace slag or desulfurization slag are caught up with the skimming gate into slag removal machine A, then by slag removal machine A, the blast furnace slag in iron ladle or desulfurization slag is clawed.
With reference to figure 1 and Fig. 2, blowing slag-removing mechanism comprises guide rail bracket 1, lift cart 2, blowing slag-removing spray gun 3, lifting actuator 4, finger tilt device 5 and linkwork 6, guide rail bracket 1 is inclined on linkwork 6, and guide rail bracket 1 frame can swing around the jointed shaft of linkwork 6 under the effect of finger tilt device 5; Lift cart 2 is connected on guide rail bracket 1 slidably, blowing slag-removing spray gun 3 is fixed on lift cart 2, the rifle head of blowing slag-removing spray gun 3 is positioned at above the molten iron level C of iron ladle B, conveniently fix blowing slag-removing spray gun 3, can arrange clamping device on lift cart 2, blowing slag-removing spray gun 3 is clamped on clamping device; Lifting actuator 4 is arranged on the top of guide rail bracket 1, slides up and down along guide rail bracket 1 for driving lift cart 2.
In the present embodiment, finger tilt device 5 comprises base and is arranged on the telescoping cylinder on base, in order to support base, can build the first platform 7, and base is fixed on the first platform 7; Telescoping cylinder is electric cylinder, hydro-cylinder or cylinder, and also can replace with Electrohydraulic push rod or similar actuating unit, expansion link and the guide rail bracket 1 of telescoping cylinder are hinged; Linkwork 6 comprises hinged seat and jointed shaft, and in order to bloster hinge joint chair, can build the second platform 8, hinged seat is fixed on the second platform 8, and guide rail bracket 1 is hinged on hinged seat by jointed shaft.
In the present embodiment, blowing slag-removing mechanism also comprises chain, and lifting actuator 4 comprises motor and sprocket wheel, and motor is used for drive sprocket and rotates, and the one ends wound of chain is on sprocket wheel, and the other end of chain connects lift cart 2.When motor rotates forward, by chain-driving lift cart 2 upward sliding, and then blowing slag-removing spray gun 3 is driven to move upward; During motor reversal, lift cart 2 utilizes the gravity of self along guide rail bracket 1 slide downward, and blowing slag-removing spray gun 3 also moves downward thereupon.Certainly, the chain gear of the present embodiment also can adopt other similar transmission rig to replace.
When iron ladle B to be transported to the position after certain angle of being tumbled by iron ladle B of skimming by hot-metal bottle tipping vehicle D, guide rail bracket 1 is driven to swing by finger tilt device 5, after making blowing slag-removing spray gun 3 and tumbling, the tank skin of iron ladle B is almost parallel, and then control blowing slag-removing spray gun 3 by lifting actuator 4 and move, the rifle head of blowing slag-removing spray gun 3 is made to stretch into above the molten iron level C of iron ladle B, be blown into nitrogen, utilize molten iron level slag to the reactive force of tank skin, molten iron level slag is caught up with the skimming gate into slag removal machine A, by slag removal machine A, the blast furnace slag in iron ladle or desulfurization slag are clawed again.
Blowing slag-removing spray gun 3 needs to connect winding-up source of the gas, in the present embodiment, the top of guide rail bracket 1 is connected with the first air blowing pipe arrangement 11, blowing slag-removing spray gun 3 is connected with the second air blowing pipe arrangement 12 be communicated with it, one end of first air blowing pipe arrangement 11 connects winding-up source of the gas, and the other end of the first air blowing pipe arrangement 11 is by hose connection second air blowing pipe arrangement 12.Winding-up source of the gas is transported in blowing slag-removing spray gun 3 by the first air blowing pipe arrangement 11, flexible pipe and the second air blowing pipe arrangement 12, then exported by the several winding-up arms 10 on multi-nozzle curved pipe 9, blast furnace slag or desulfurization slag in iron ladle B are caught up with the skimming gate into slag removal machine A, then by slag removal machine A, the blast furnace slag in iron ladle or desulfurization slag is clawed.
With reference to figure 3 and Fig. 4, the rifle head of blowing slag-removing spray gun 3 is multi-nozzle curved pipe 9, multi-nozzle curved pipe 9 has several winding-up arm 10.Compared with single spray gun, adopt multi-nozzle curved pipe 9 in same time, blowing slag-removing area is large, is so just conducive to raising and skims efficiency, shorten and skim the operating time, be also beneficial to raising depeeling rate simultaneously.
Winding-up arm 10 is arranged in circular arc, and arc radius is R, and this arrangement mode can adapt to the circular tank skin of iron ladle, reduces to catch up with slag dead band.
Blowing slag-removing spray gun 3 and multi-nozzle curved pipe 9 are Flange joint, because winding-up envrionment temperature is higher, adopt Flange joint conveniently to repair or replace multi-nozzle curved pipe, are conducive to the running cost of reduction equipment.
In sum, blowing slag-removing mechanism of the present invention can adapt to skim under different molten iron level height and different tip-over angle, also has simultaneously and catches up with the top of the slag long-pending large in same time, catch up with slag dead band little, efficiency is high, and the operating time is short, operation stove number is many, and structure is simple, the advantage such as to maintain easily.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (9)
1. a blowing slag-removing mechanism, the effect of described blowing slag-removing mechanism is the skimming gate blast furnace slag in iron ladle or desulfurization slag caught up with by blowing into slag removal machine, coordinates slag removal machine the blast furnace slag in iron ladle or desulfurization slag to be clawed; It is characterized in that: described blowing slag-removing mechanism comprises guide rail bracket, lift cart, blowing slag-removing spray gun, lifting actuator, finger tilt device and linkwork, described guide rail bracket is inclined on described linkwork, and described guide rail bracket can swing around the jointed shaft of described linkwork under the effect of described finger tilt device; Described lift cart is connected on described guide rail bracket slidably, and described blowing slag-removing spray gun is fixed on described lift cart, and the rifle head of described blowing slag-removing spray gun is positioned at above the molten iron level of described iron ladle; Described lifting actuator is arranged on the top of described guide rail bracket, slides up and down along guide rail bracket for driving described lift cart.
2. blowing slag-removing mechanism according to claim 1, is characterized in that: described finger tilt device comprises base and is arranged on the telescoping cylinder on base, and the expansion link of described telescoping cylinder is connected with described guide rail bracket.
3. blowing slag-removing mechanism according to claim 1, it is characterized in that: described linkwork comprises hinged seat, described guide rail bracket is hinged on described hinged seat by described jointed shaft.
4. blowing slag-removing mechanism according to claim 1, it is characterized in that: described blowing slag-removing mechanism also comprises chain, described lifting actuator comprises motor and sprocket wheel, described motor is for driving described sprocket rotation, the one ends wound of described chain is on described sprocket wheel, and the other end of described chain connects described lift cart.
5. blowing slag-removing mechanism according to claim 1, is characterized in that: described blowing slag-removing spray gun with tumble after iron ladle tank skin parallel.
6. blowing slag-removing mechanism according to claim 1, is characterized in that: the rifle head of described blowing slag-removing spray gun adopts multi-nozzle curved pipe, and described multi-nozzle curved pipe has several winding-up arm.
7. blowing slag-removing mechanism according to claim 6, is characterized in that: described winding-up arm is arranged in circular arc.
8. blowing slag-removing mechanism according to claim 6, is characterized in that: described multi-nozzle curved pipe and described blowing slag-removing spray gun are Flange joint.
9. blowing slag-removing mechanism according to claim 1, it is characterized in that: the top of described guide rail bracket is provided with the first air blowing pipe arrangement, described blowing slag-removing spray gun is provided with the second air blowing pipe arrangement be communicated with it, one end of described first air blowing pipe arrangement connects winding-up source of the gas, and the other end of described first air blowing pipe arrangement is by hose connection described second air blowing pipe arrangement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510282378.XA CN104831013B (en) | 2015-05-28 | 2015-05-28 | Blowing slag-removing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510282378.XA CN104831013B (en) | 2015-05-28 | 2015-05-28 | Blowing slag-removing mechanism |
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| CN104831013A true CN104831013A (en) | 2015-08-12 |
| CN104831013B CN104831013B (en) | 2017-08-25 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319151A (en) * | 2016-09-09 | 2017-01-11 | 武汉钢铁股份有限公司 | Molten iron desulphurization system and molten iron and iron slag separation device and method thereof |
| CN107287376A (en) * | 2017-06-13 | 2017-10-24 | 河钢股份有限公司承德分公司 | Molten iron pretreatment auxiliary is skimmed blowing slag-removing device |
| CN109439844A (en) * | 2018-12-25 | 2019-03-08 | 中冶南方工程技术有限公司 | A kind of Desulfuring Device of Hot Metal |
| CN110484684A (en) * | 2019-09-12 | 2019-11-22 | 北京首钢股份有限公司 | A kind of molten steel pocket deslagging method |
| CN112813220A (en) * | 2020-12-31 | 2021-05-18 | 镇江市坤洋冶金设备有限公司 | Blowing and slag removing device |
| TWI747779B (en) * | 2020-05-29 | 2021-11-21 | 日商鑽石工程股份有限公司 | Mechanical agitated desulfurization system |
| CN114737018A (en) * | 2022-05-07 | 2022-07-12 | 湖南华菱涟源钢铁有限公司 | Consumable air gun for slagging off molten iron and use method |
| CN115261758A (en) * | 2022-08-17 | 2022-11-01 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Improve sediment device of arranging of hot-galvanize cladding material quality |
Families Citing this family (1)
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| CN110893458B (en) * | 2018-09-13 | 2021-11-16 | 宝山钢铁股份有限公司 | Composite multi-channel spray gun in hot-metal ladle and efficient air blowing and slag removing method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319151A (en) * | 2016-09-09 | 2017-01-11 | 武汉钢铁股份有限公司 | Molten iron desulphurization system and molten iron and iron slag separation device and method thereof |
| CN107287376A (en) * | 2017-06-13 | 2017-10-24 | 河钢股份有限公司承德分公司 | Molten iron pretreatment auxiliary is skimmed blowing slag-removing device |
| CN109439844A (en) * | 2018-12-25 | 2019-03-08 | 中冶南方工程技术有限公司 | A kind of Desulfuring Device of Hot Metal |
| CN110484684A (en) * | 2019-09-12 | 2019-11-22 | 北京首钢股份有限公司 | A kind of molten steel pocket deslagging method |
| CN110484684B (en) * | 2019-09-12 | 2021-05-28 | 北京首钢股份有限公司 | Ladle slag skimming method |
| TWI747779B (en) * | 2020-05-29 | 2021-11-21 | 日商鑽石工程股份有限公司 | Mechanical agitated desulfurization system |
| CN112813220A (en) * | 2020-12-31 | 2021-05-18 | 镇江市坤洋冶金设备有限公司 | Blowing and slag removing device |
| CN114737018A (en) * | 2022-05-07 | 2022-07-12 | 湖南华菱涟源钢铁有限公司 | Consumable air gun for slagging off molten iron and use method |
| CN115261758A (en) * | 2022-08-17 | 2022-11-01 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Improve sediment device of arranging of hot-galvanize cladding material quality |
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