CN204111842U - A kind of pressurization electroslag remelting furnace - Google Patents
A kind of pressurization electroslag remelting furnace Download PDFInfo
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- CN204111842U CN204111842U CN201420586444.3U CN201420586444U CN204111842U CN 204111842 U CN204111842 U CN 204111842U CN 201420586444 U CN201420586444 U CN 201420586444U CN 204111842 U CN204111842 U CN 204111842U
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- sealing device
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- crystallizer
- electroslag remelting
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Abstract
A kind of pressurization electroslag remelting furnace, belongs to electroslag remelting furnace equipment technical field, for solving the problem that in existing installation, melting equipment height is higher.Its technical scheme is: it has telescopic sealing device, telescopic sealing device is made up of two joint steel cylinder shape sleeves, the lower end of telescopic sealing device bottom is connected with the upper end of crystallizer, there is annular end face the upper end on telescopic sealing device top, annulus endoporus is fixed by tightness system and dummy electrode, the upper end of telescopic sealing device bottom is sleeved on the periphery of the lower end on telescopic sealing device top, and there is tightness system suit junction.The utility model is in fusion process, and telescopic sealing device bottom can, along the upper and lower slip of outer wall on telescopic sealing device top, make working chamber's height change with fusion process.The utility model structure is simple, easy to use, respond well, can effectively solve the problem that in existing installation, melting equipment height is higher, reduces company investment cost.
Description
Technical field
The utility model relates to a kind of pressurization electroslag remelting furnace, belongs to electroslag remelting furnace equipment technical field.
Background technology
Electroslag remelting furnace is the heat energy utilizing electric current to be produced by high resistance slag carries out melting again equipment to metal, and esr generally carries out at atmosheric pressure, and as required, also configurable vacuum pump set carries out vacuum refinement.The Main Function of esr is purified metals and obtains the steel ingot of clean homogeneous microstructure densification, steel through esr has that purity is high, sulfur-bearing is low, non-metallic inclusion is few, surface of steel ingot is smooth, clean even compact, metallographic structure and the uniform feature of chemical composition, thus, esr is one of conventional means of producing high value added product.
Pressurization electroslag remelting furnace refers to the equipment carrying out under higher than the environment under normal atmosphere smelting, and owing to being smelt under hyperbaric environment, the ESR ingot dense structure of production, effectively can reduce the quality problems such as ingot casting is loose.According to the difference of smelting atmosphere, the steel grade that normal pressure should not be produced can be smelted, such as high nitrogen stainless steel.China Patent No. 200820012162.7 discloses a kind of pressurization electroslag furnace, and the shortcoming of this electroslag furnace is the sealed vessel that its working chamber adopts rigidity non-telescoping, cause working chamber and crystallizer total height higher, increase equipment investment cost.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of pressurization electroslag remelting furnace, and this electroslag remelting furnace effectively can solve the higher problem of melting equipment height, reduces company investment cost, promotes the application of pressurization electroslag remelting furnace.
The technical scheme solved the problems of the technologies described above is:
A kind of pressurization electroslag remelting furnace, it comprises fixed cross beam, dummy electrode, electrode jig, consumable electrode, crystallizer, bottom electrode, chassis platform, lifting device, dummy electrode is fixed on fixed cross beam and is connected with AC power, dummy electrode is connected with consumable electrode by electrode jig, crystallizer is arranged on bottom electrode, bottom electrode is connected with power supply, chassis platform upper is connected with crystallizer, bottom is provided with lifting device, its improvements are, it also has telescopic sealing device, telescopic sealing device is made up of two joint steel cylinder shape sleeves, the lower end of telescopic sealing device bottom is connected with the upper end of crystallizer, there is annular end face the upper end on telescopic sealing device top, annulus inner hole sleeve is on dummy electrode, annulus endoporus is fixed by tightness system and dummy electrode, the upper end of telescopic sealing device bottom is sleeved on the periphery of the lower end on telescopic sealing device top, there is tightness system suit junction.
Above-mentioned pressurization electroslag remelting furnace, the annulus end face on described telescopic sealing device top installs blow-off valve, automatic pressure regulating valve, gas inlet and explosion-proof equipment, and gas inlet is connected with external gas source.
Above-mentioned pressurization electroslag remelting furnace, the upper end of described telescopic sealing device bottom and the lower end on telescopic sealing device top have inside and outside annular hem respectively, two annular hems overlapping overlap joint up and down, has sealing-ring to be connected and sealed between the inside circumference of the annulus flanging that telescopic sealing device bottom is inside and the outer wall on telescopic sealing device top.
The beneficial effects of the utility model are:
The utility model installs telescopic sealing device in the upper end of crystallizer, crystallizer is made to become scalable resistance to high pressure seal working chamber, in fusion process, telescopic sealing device bottom can along the upper and lower slip of outer wall on telescopic sealing device top, working chamber's height is changed with fusion process, and melting pressure is controlled in target range all the time by automatic pressure regulating valve.The utility model structure is simple, easy to use, respond well, can effectively solve the problem that in existing installation, melting equipment height is higher, reduces company investment cost, promotes the application of pressurization electroslag remelting furnace.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, mark is as follows: fixed cross beam 1, dummy electrode cooling water inlet 2, dummy electrode cooling water outlet 3, dummy electrode 4, electrode jig 5, consumable electrode 6, gas inlet 7, explosion-proof equipment 8, telescopic sealing device bottom 9, crystallizer 10, crystallizer cooling water outlet 11, crystallizer cooling water inlet 12, liquid slag layer 13, molten bath 14, ESR ingot 15, bottom electrode 16, chassis platform 17, lifting device 18, bottom electrode cooling water inlet 19, bottom electrode cooling water outlet 20, blow-off valve 21, automatic pressure regulating valve 22, tightness system 23, sealing-ring 24, telescopic sealing device top 25.
Embodiment
The utility model is made up of fixed cross beam 1, dummy electrode 4, electrode jig 5, consumable electrode 6, crystallizer 10, bottom electrode 16, chassis platform 17, lifting device 18, telescopic sealing device.
Show in figure, dummy electrode 4 is fixed on fixed cross beam 1 and is connected with AC power, and dummy electrode 4 is connected with consumable electrode 6 by electrode jig 5, and dummy electrode 4 is provided with dummy electrode cooling water inlet 2 and dummy electrode cooling water outlet 3.Crystallizer 10 to be arranged on bottom electrode 16, crystallizer 10 is provided with crystallizer cooling water inlet 11 and crystallizer cooling water outlet 12.Bottom electrode 16 is connected with power supply, bottom electrode 16 has bottom electrode cooling water inlet 19 and bottom electrode cooling water outlet 20.Chassis platform 17 top is connected with crystallizer 10, and bottom is provided with lifting device 18.
Show in figure, telescopic sealing device is made up of two pitch circle cylindrical sleeves, and material is high pressure resistant steel.The lower end of telescopic sealing device bottom 9 is connected with the upper end of crystallizer 10, there is annular end face the upper end on telescopic sealing device top 25, annulus inner hole sleeve is on dummy electrode 4, annulus endoporus is fixed by tightness system 23 and dummy electrode 4, the upper end of telescopic sealing device bottom 9 is sleeved on the periphery of the lower end on telescopic sealing device top 25, can along the upper and lower slip of outer wall on telescopic sealing device top 25.
Show in figure, above-mentioned slide construction is, the upper end of telescopic sealing device bottom 9 and the lower end on telescopic sealing device top 25 have inside and outside annular hem respectively, two annular hems overlapping overlap joint up and down, has sealing-ring 24 to be connected and sealed between the inside circumference of the annulus flanging that telescopic sealing device bottom 9 is inside and the outer wall on telescopic sealing device top 25.The inside circumference of the annulus flanging that telescopic sealing device bottom 9 is inside along the upper and lower slip of outer wall on telescopic sealing device top 25, and can be sealed by sealing-ring 24.
Show in figure, the annulus end face on telescopic sealing device top 25 is installed blow-off valve 21, automatic pressure regulating valve 22, gas inlet 7 and explosion-proof equipment 8, gas inlet 7 is connected with external gas source, and external gas source is argon gas or nitrogen.
Working process of the present utility model is as follows:
Consumable electrode 6 is connected by electrode jig 5 with dummy electrode 4, be arranged on fixed cross beam 1, a small amount of striking agent and pre-melted slag is spread bottom crystallizer 10, whether the stopping property and the cooling water pipeline that play forearc detection tightness system be unobstructed, desired gas is passed into predetermined pressure after the starting the arc is stable, along with the chassis platform 17 that carries out of melting continues to rise, telescopic sealing device bottom 9 is along the outer wall upward sliding on telescopic sealing device top 25, working chamber's height constantly reduces, all the time melting pressure is controlled in target range by automatic pressure regulating valve 22, after melting terminates, open blow-off valve 21, after being down to normal pressure in working chamber, fall chassis platform 17, carry out stripping operation.
Claims (3)
1. a pressurization electroslag remelting furnace, it comprises fixed cross beam (1), dummy electrode (4), electrode jig (5), consumable electrode (6), crystallizer (10), bottom electrode (16), chassis platform (17), lifting device (18), dummy electrode (4) is fixed on fixed cross beam (1) and is above connected with AC power, dummy electrode (4) is connected with consumable electrode (6) by electrode jig (5), crystallizer (10) is arranged on bottom electrode (16), bottom electrode (16) is connected with power supply, chassis platform (17) top is connected with crystallizer (10), bottom is provided with lifting device (18), it is characterized in that: it also has telescopic sealing device, telescopic sealing device is made up of two joint steel cylinder shape sleeves, the lower end of telescopic sealing device bottom (9) is connected with the upper end of crystallizer (10), there is annular end face the upper end on telescopic sealing device top (25), annulus inner hole sleeve is on dummy electrode (4), annulus endoporus is fixed by tightness system (23) and dummy electrode (4), the upper end of telescopic sealing device bottom (9) is sleeved on the periphery of the lower end on telescopic sealing device top (25), there is tightness system suit junction.
2. pressurization electroslag remelting furnace according to claim 1, it is characterized in that: the annulus end face of described telescopic sealing device top (25) is installed blow-off valve (21), automatic pressure regulating valve (22), gas inlet (7) and explosion-proof equipment (8), gas inlet (7) are connected with external gas source.
3. pressurization electroslag remelting furnace according to claim 2, it is characterized in that: the upper end of described telescopic sealing device bottom (9) and the lower end on telescopic sealing device top (25) have inside and outside annular hem respectively, two annular hems overlapping overlap joint up and down, has sealing-ring (24) to be connected and sealed between the inside circumference of the annulus flanging that telescopic sealing device bottom (9) is inside and the outer wall on telescopic sealing device top (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420586444.3U CN204111842U (en) | 2014-10-11 | 2014-10-11 | A kind of pressurization electroslag remelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420586444.3U CN204111842U (en) | 2014-10-11 | 2014-10-11 | A kind of pressurization electroslag remelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204111842U true CN204111842U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420586444.3U Expired - Fee Related CN204111842U (en) | 2014-10-11 | 2014-10-11 | A kind of pressurization electroslag remelting furnace |
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| Country | Link |
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| CN (1) | CN204111842U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105950881A (en) * | 2016-06-13 | 2016-09-21 | 重庆钢铁(集团)有限责任公司 | Electroslag remelting smelting process |
| CN106834730A (en) * | 2016-12-30 | 2017-06-13 | 东北大学 | A kind of method that electroslag remelting technique that pressurizes smelts high-quality high-speed steel |
| CN111676375A (en) * | 2020-07-31 | 2020-09-18 | 江油市重鑫特种金属材料有限公司 | Single-electrode-rod controllable atmosphere electroslag furnace for efficient production |
-
2014
- 2014-10-11 CN CN201420586444.3U patent/CN204111842U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105950881A (en) * | 2016-06-13 | 2016-09-21 | 重庆钢铁(集团)有限责任公司 | Electroslag remelting smelting process |
| CN106834730A (en) * | 2016-12-30 | 2017-06-13 | 东北大学 | A kind of method that electroslag remelting technique that pressurizes smelts high-quality high-speed steel |
| CN111676375A (en) * | 2020-07-31 | 2020-09-18 | 江油市重鑫特种金属材料有限公司 | Single-electrode-rod controllable atmosphere electroslag furnace for efficient production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20171011 |