CN103555888B - Refined molten steel bag Argon heat insulating device - Google Patents
Refined molten steel bag Argon heat insulating device Download PDFInfo
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- CN103555888B CN103555888B CN201310482634.0A CN201310482634A CN103555888B CN 103555888 B CN103555888 B CN 103555888B CN 201310482634 A CN201310482634 A CN 201310482634A CN 103555888 B CN103555888 B CN 103555888B
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Abstract
The invention provides a kind of refined molten steel bag Argon heat insulating device, it comprises: device body, and in plate-like, for being located at ladle top suitable for reading, and external diameter is greater than ladle bore suitable for reading; The central region of described device body have for Argon, feeding alloy wire, add cold burden add material through hole.The present invention, by providing a kind of heat insulating device, can be located at ladle top suitable for reading certain altitude, prevent slag splash.Further preferably, adopt forging type to make, simultaneously at the inner pre-buried water-cooled coil pipe of cast iron, can be incubated molten steel well, carry out heat insulation to Argon platform.
Description
Technical field
The present invention relates to metallurgical refining unit technical field, particularly a kind of refined molten steel bag Argon heat insulating device.
Background technology
In steel making working procedure, liquid molten steel is carried by ladle will through refining position from converter to continuous casting, i.e. " converter-refining-continuous casting ".Wherein, refining position comprises refining furnace position and refining Argon position, refining Argon position mainly directly to liquid molten steel feeding alloy wire, add cold burden etc., simultaneously carry out blowing argon gas from ladle side, stir molten steel, realize the fine setting of molten steel composition, temperature.From production, refining Argon position rate of utilization is higher.During Argon, liquid steel temperature is up to about 1550 ~ 1600 DEG C, and molten steel stirs, and slag, molten steel flash.
At present; in metallurgical refining techniques field, when refining Argon position produces, for reducing molten steel temperature drop in ladle; protect Argon platform mainly directly to use Plate Welding by the safety guard of high bake, scaling loss simultaneously, or below steel plate, add refractory materials to improve heat-resisting effect.
Practice shows, this safety guard exists many weak points:
1, the slag that during Argon, splash goes out splashes on steel plate or refractory materials, serious scaling loss steel plate or cause refractory materials to come off, and causes larger potential safety hazard to the operator of below walking or scarfing cinder.
2, easily to produce gross distortion, life-span short for shoulder guard.
3, effect of heat insulation is poor, and Argon platform temperature is high, causes producers' poor working environment.
Summary of the invention
The object of the present invention is to provide a kind of refined molten steel bag Argon heat insulating device, during at least to solve Argon that prior art exists, slag such as to splash down at the problem.
In order to solve the problem, the invention provides a kind of refined molten steel bag Argon heat insulating device, its technical scheme is:
A kind of refined molten steel bag Argon heat insulating device, it comprises: device body, and in plate-like, for being located at ladle top suitable for reading, and external diameter is greater than ladle bore suitable for reading; The central region of described device body have for Argon, feeding alloy wire, add cold burden add material through hole.
Preferably, be provided with for the water-cooling channel by cold water in described device body, the import of described water-cooling channel and outlet are positioned at upper surface or the side of described device body.
Preferably, the import of described water-cooling channel and outlet are provided with extension water pipe.
Preferably, the upper surface of described device body is provided with suspension ring.
Preferably, described suspension ring are inverted U-shaped, and the bottom of described suspension ring is embedded in described device body.
Preferably, described water-cooling channel is S-shaped distribution in described device body, and arranges around the described material through hole that adds.
Preferably, described device body is in the form of annular discs, and comprise symmetrical configuration and the first semicircular bodies connected by securing gear and the second semicircular bodies, the corresponding position of described first semicircular bodies and the second semicircular bodies is provided with semicircle gap, adds material through hole described in the described semicircle gap of described first semicircular bodies and the second semicircular bodies is combined to form.
Preferably, described securing gear comprises first group of fastening piece, second group of fastening piece and is connected gusset, the bight outer side of described first semicircular bodies and the second semicircular bodies is outward extended with projection, and the projection in described first semicircular bodies and the corresponding bight of the second semicircular bodies links together by described first group of fastening piece; The two ends of described connection gusset are located in described first semicircular bodies and the second semicircular bodies respectively, and described connection gusset, the first semicircular bodies and the second semicircular bodies link together by described second group of fastening piece.
Preferably, gap is provided with between described first semicircular bodies and the second semicircular bodies.
Preferably, described device body is Nodular cast iron material.
Preferably, described water-cooling channel is coil pipe, and described coil pipe is 20# steel matter.
Preferably, described suspension ring are Q235A material.
Preferably, described connection gusset is 16Mn material.
The present invention, by providing a kind of heat insulating device, can be located at ladle top suitable for reading certain altitude, prevent slag splash.Further preferably, adopt forging type to make, simultaneously at the inner pre-buried water-cooled coil pipe of cast iron, can be incubated molten steel well, carry out heat insulation to Argon platform.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the preferred embodiment of the present invention;
Fig. 2 is the main TV structure schematic diagram of the first semicircular bodies of the preferred embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As depicted in figs. 1 and 2, convenient and replaceable for producing, applying, the device body of this preferred embodiment comprises two portions: the first semicircular bodies 1 and the second semicircular bodies 2.The two device body be combined to form is plate-like.Although the device body shown in Fig. 1 is discoid, in other embodiments, square, regular polygon all can realize object of the present invention.In addition, in other embodiments, device body also can be an one-piece construction, but comparatively heavy, and makes not easily.
As Fig. 1, the first semicircular bodies 1 is connected by securing gear with the second semicircular bodies 2, and the external diameter of the two device body be combined to form should be greater than ladle bore suitable for reading, enough to cover ladle mouth, prevents slag splash.The central region of device body be provided with for Argon, feeding alloy wire, add cold burden add material through hole 210.Because device body is made up of the first semicircular bodies 1 and the second semicircular bodies 2, this adds material through hole 210 and is made up of the gap laid respectively in the first semicircular bodies 1 and the second semicircular bodies 2, as shown in Figure 2, the straight flange center of the first semicircular bodies 1 has semicircle gap 100.In addition, add material through hole 210 for circular port, but the present invention be confined to this, rectangle, square, rhombus add material through hole.
Needing to illustrate in addition, because the first semicircular bodies 1 and the second semicircular bodies 2 are symmetrical structure, in order to avoid repeating, followingly only the structure of the first semicircular bodies 1 to be described in detail.
In order to reduce the impact of high temperature on equipment, personnel, the first semicircular bodies 1 and the second semicircular bodies 2 are provided with for the water-cooling channel by cold water, such as, are provided with water-cooling channel 10 in the first semicircular bodies 1.The import of water-cooling channel 10 and outlet are positioned at the side of the first semicircular bodies 1.Certainly, in other embodiments, the upper surface of the first semicircular bodies 1 can be also positioned at.
For another example Fig. 1 and Fig. 2, the import of water-cooling channel 10 and outlet are provided with and extend water pipe 4, extend to the first semicircular bodies 1 outside, are convenient to water conveying system and connect.
Further preferably, the first semicircular bodies 1 adopts spheroidal graphite cast iron, such as QT400-15, casting.Water-cooling channel 10 is the coil pipe of 20# steel matter, and is located at the side of semicircle gap 100 in serpentine.The water-cooling channel of the first semicircular bodies 1 and the second semicircular bodies 2 is combined, and arranges around adding material through hole 210.During fabrication, water-cooling channel 10 casting is embedded in the first semicircular bodies 1, and the mouth of pipe leans out the first semicircular bodies 1, is formed and extends water pipe 4.
For the ease of movement, the first semicircular bodies 1 of device body and the upper surface of the second semicircular bodies 2 are equipped with suspension ring 3.More preferably, suspension ring 3 are Q235A material, are uniformly distributed around adding material through hole 210, each suspension ring 3 all in inverted U-shaped, to increase strength of joint during bottom is embedded in.
In order to simple and stable connection first semicircular bodies 1 and the second semicircular bodies 2, securing gear comprises many group fastening pieces and is connected gusset 6.First, the bight outer side of the first semicircular bodies 1 and the second semicircular bodies 2 is outward extended with projection, and projection is provided with through hole.The such as bight of the first semicircular bodies 1 is provided with protruding 11, and protruding 11 are provided with through hole 110.The two, by the through hole of the first semicircular bodies 1 and the second semicircular bodies 2 respective protrusions, links together, then locks with nut 71 by the bolt 72 of first group of fastening piece.
Secondly, upper surface and the lower surface of the first semicircular bodies 1 and the second semicircular bodies 2 is located at the two ends connecting gusset 6 respectively, and all arranges connection gusset 6 in the both sides adding material through hole 210.Connect gusset 6 and be provided with multiple through hole, with the through hole correspondence position be connected on gusset 6, first semicircular bodies 1 and the second semicircular bodies 2 are also provided with through hole, the bolt 52 of second group of fastening piece passes the through hole of three, and have nut 51 to lock, whereby, connection gusset 6, first semicircular bodies 1 and the second semicircular bodies 2 are linked together.More preferably, connecting gusset 6 is 16Mn material.
In order to avoid the impact of expanding with heat and contract with cold on the first semicircular bodies 1 and the second semicircular bodies 2, between the first semicircular bodies 1 and the respective side of the second semicircular bodies 2, there is certain gap 120.
The applying step of this preferred embodiment is roughly as follows:
Utilize the overhaul of the equipments time, be suspended on all suspension ring 3 in the first semicircular bodies 1 and the second semicircular bodies 2 by metal bracelet, this preferred embodiment is hung and is fixed on Argon platform beam.During suspension, should make this preferred embodiment level, each point of tangent is solid firm; Suspension height is higher than ladle suitable distance suitable for reading, and the molten steel slag avoiding ladle mouth to pile up touches.Then, the extension water pipe 4 of device external cooling water pipeline and water-cooling channel 10 is linked up, water-cooling channel series connection between first semicircular bodies 1 and the second semicircular bodies 2, namely two extension water pipes 4 of the first semicircular bodies 1 and the same end of the second semicircular bodies 2 are respectively inlet tube and outlet tube, and two extension water pipe sebific ducts or the metallic hose of the first semicircular bodies 1 and another common end of the second semicircular bodies 2 link up.Finally, water flowing check test, guarantees each tie point ne-leakage water, namely can be applicable to produce, Argon, feeding alloy wire, add cold burden and all operate by adding material through hole 210.In application process, this preferred embodiment can effectively be incubated molten steel in ladle, carries out heat insulation to Argon platform.
Theoretical analysis and test show, when refined molten steel bag Argon, beneficial effect of the present invention is:
Be covered in above ladle, effectively can reduce molten steel temperature drop, also be provided with water-cooling channel simultaneously, Argon platform can be alleviated by high bake, improve the security and stability of platform beams; Because being uniformly distributed suspension ring, to install, easy to adjust; Have good oxidation-resistance, intensity, unit elongation, thermotolerance, the online life-span is long, safety.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (11)
1. a refined molten steel bag Argon heat insulating device, is characterized in that, comprising:
Device body, in plate-like, for being located at ladle top suitable for reading, and external diameter is greater than ladle bore suitable for reading; The central region of described device body have for Argon, feeding alloy wire, add cold burden add material through hole;
Wherein, described device body is in the form of annular discs, and comprise symmetrical configuration and the first semicircular bodies connected by securing gear and the second semicircular bodies, the corresponding position of described first semicircular bodies and the second semicircular bodies is provided with semicircle gap, adds material through hole described in the described semicircle gap of described first semicircular bodies and the second semicircular bodies is combined to form;
Described securing gear comprises first group of fastening piece, second group of fastening piece and is connected gusset, the bight outer side of described first semicircular bodies and the second semicircular bodies is outward extended with projection, and the projection in described first semicircular bodies and the corresponding bight of the second semicircular bodies links together by described first group of fastening piece;
The two ends of described connection gusset are located in described first semicircular bodies and the second semicircular bodies respectively, and described connection gusset, the first semicircular bodies and the second semicircular bodies link together by described second group of fastening piece.
2. refined molten steel bag Argon heat insulating device according to claim 1, is characterized in that, be provided with for the water-cooling channel by cold water in described device body, and the import of described water-cooling channel and outlet are positioned at upper surface or the side of described device body.
3. refined molten steel bag Argon heat insulating device according to claim 2, it is characterized in that, the import of described water-cooling channel and outlet are provided with extension water pipe.
4. refined molten steel bag Argon heat insulating device according to claim 1, it is characterized in that, the upper surface of described device body is provided with suspension ring.
5. refined molten steel bag Argon heat insulating device according to claim 4, it is characterized in that, described suspension ring are inverted U-shaped, and the bottom of described suspension ring is embedded in described device body.
6. refined molten steel bag Argon heat insulating device according to claim 2, it is characterized in that, described water-cooling channel is S-shaped distribution in described device body, and arranges around the described material through hole that adds.
7. refined molten steel bag Argon heat insulating device according to claim 1, is characterized in that, be provided with gap between described first semicircular bodies and the second semicircular bodies.
8. refined molten steel bag Argon heat insulating device according to claim 1, it is characterized in that, described device body is Nodular cast iron material.
9. refined molten steel bag Argon heat insulating device according to claim 2, it is characterized in that, described water-cooling channel is coil pipe, and described coil pipe is 20# steel matter.
10. refined molten steel bag Argon heat insulating device according to claim 4, it is characterized in that, described suspension ring are Q235A material.
11. refined molten steel bag Argon heat insulating devices according to claim 1, it is characterized in that, described connection gusset is 16Mn material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310482634.0A CN103555888B (en) | 2013-10-15 | 2013-10-15 | Refined molten steel bag Argon heat insulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310482634.0A CN103555888B (en) | 2013-10-15 | 2013-10-15 | Refined molten steel bag Argon heat insulating device |
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| Publication Number | Publication Date |
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| CN103555888A CN103555888A (en) | 2014-02-05 |
| CN103555888B true CN103555888B (en) | 2015-08-19 |
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| CN201310482634.0A Active CN103555888B (en) | 2013-10-15 | 2013-10-15 | Refined molten steel bag Argon heat insulating device |
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Citations (4)
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| CN202621908U (en) * | 2012-05-04 | 2012-12-26 | 苏州罗卡节能科技有限公司 | Steel ladle |
| CN202734550U (en) * | 2012-06-25 | 2013-02-13 | 重庆金凯特殊钢制品有限公司 | Cast iron type water-cooling furnace cover of refining furnace |
| CN202824640U (en) * | 2012-09-21 | 2013-03-27 | 北京北科中钢工程技术有限公司 | Steel ladle insulating cover with mechanical lock lug |
| CN202921912U (en) * | 2012-11-28 | 2013-05-08 | 唐山渤海冶金设备有限责任公司 | Single-chain type capping device lifted by hydraulic cylinder |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203080009U (en) * | 2013-03-06 | 2013-07-24 | 济钢集团有限公司 | Furnace lid of refining furnace |
| CN203613216U (en) * | 2013-10-15 | 2014-05-28 | 莱芜钢铁集团有限公司 | Thermal insulation device for argon blowing of refined steel ladle |
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2013
- 2013-10-15 CN CN201310482634.0A patent/CN103555888B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202621908U (en) * | 2012-05-04 | 2012-12-26 | 苏州罗卡节能科技有限公司 | Steel ladle |
| CN202734550U (en) * | 2012-06-25 | 2013-02-13 | 重庆金凯特殊钢制品有限公司 | Cast iron type water-cooling furnace cover of refining furnace |
| CN202824640U (en) * | 2012-09-21 | 2013-03-27 | 北京北科中钢工程技术有限公司 | Steel ladle insulating cover with mechanical lock lug |
| CN202921912U (en) * | 2012-11-28 | 2013-05-08 | 唐山渤海冶金设备有限责任公司 | Single-chain type capping device lifted by hydraulic cylinder |
Non-Patent Citations (2)
| Title |
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| 钢包全程加盖装置的应用;王德胜;《才智》;20130605(第16期);第200页 * |
| 钢包全程加盖设备与工艺研究现状;刘晓峰;《四川冶金》;20110630;第33卷(第3期);第19-22页 * |
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| CN103555888A (en) | 2014-02-05 |
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Effective date of registration: 20220614 Address after: 271104 Shuangquan Road, Gangcheng District, Jinan City, Shandong Province Patentee after: LAIGANG GROUP YINSHAN SHAPED STEEL Co.,Ltd. Address before: 271104 No.99, Fuqian street, Gangcheng District, Laiwu City, Shandong Province Patentee before: LAIWU STEEL Group Ltd. |