CN104110957A - Furnace heat exchange type electric arc metallurgy equipment for smelting various special alloys - Google Patents
Furnace heat exchange type electric arc metallurgy equipment for smelting various special alloys Download PDFInfo
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- CN104110957A CN104110957A CN201310136786.5A CN201310136786A CN104110957A CN 104110957 A CN104110957 A CN 104110957A CN 201310136786 A CN201310136786 A CN 201310136786A CN 104110957 A CN104110957 A CN 104110957A
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Abstract
The invention relates to the technical field of industrial metallurgical smelting equipment, in particular to furnace heat exchange type electric arc metallurgy equipment for smelting various special alloys. The equipment comprises an air compressor (1), a mixing cylinder (2), a feed hopper (3), a main pipe (4), hollow electrodes (5), an electric furnace (6), electric arc areas (7), branch pipes (8) and a feeding pipe (9). The equipment is characterized in that one end of the mixing cylinder (2) is fixedly connected with a smelting device through the main pipe (4) while the other end is connected with one end of the air compressor (1) fixedly, one side of the mixing cylinder (2) is fixedly connected with the feed hopper (3) through the feeding pipe (9), the smelting device comprises the hollow electrodes (5), the electric furnace (6), the electric arc areas (7) and the branch pipes (8), and one end of each hollow electrode (5) is in through connection with the main pipe (4) through the corresponding branch pipe (8).
Description
Technical field
The present invention relates to industry metallurgy smelting equipment field, particularly in a kind of stove of smelting for multiple special alloy, heat is converted formula arc metallurgy equipment.
Background technology
Metallurgical industry, refer to the exploration to metalliferous mineral, exploitation, selected, smelt, and the rolling industrial department of becoming a useful person, metallurgical industry is important raw and semifinished materials industries department, for each department of national economy provides metal material, also be the material base of economic development, metallurgical industry can divide ferrous metals industry and colored metallurgical industrial, iron and steel industry mainly refers to comprise the pig iron, steel and ferroalloy are (as ferrochrome, ferromanganese etc.) production, nonferrous metallurgy refers to that the latter comprises the production of all the other all various metals, metallurgy can be divided into metallurgy of rare metal industry and powder metallurgy industry in addition, wherein the metallurgy of multiple special alloy is smelted particularly important.
The metallurgy of traditional multiple special alloy is smelted, need to there is the heat outside a kind of stove to convert technique, for example: the smelting of " two zero iron " of ferrosilicon series, " middle low Carbon Manganese ", and the smelting of industrial silicon etc., all need to be in alloy smelting process tap a blast furnace time, in ladle, be blended into the flux of some, the trace element of purification alloy or increase alloy, and the flux that heat is converted, with spade by artificial, quantitatively be added in ladle follows molten iron to mix in batches, also will in the tube connector of the bottom of ladle, be blown into a certain amount of compressed air enters in the middle of molten iron simultaneously, convert and in process, be accompanied by the violent chemical reaction of molten iron in heat, there is a large amount of γ-ray emissions, cause air pollution, also cause the molten iron splash in ladle simultaneously, there is the mouth of pipe leading in ladle owing to smelting hot ladle bottom of converting technique, need to be blown into the compressed air of certain pressure, ensure the chemical reaction of molten iron, excessive or too small all may the causing of pressure flowed out below molten iron and splash above, it is motor performance in the middle of overhead traveling crane hanging that heat is converted ladle in process, ladle bottom is also connected with the pipeline of ventilation, the factor such as in molten steel pouring course, easily break, also to equipment operating, operation has increased control difficulty, if control the bad damage that often causes equipment, burn out, the outflow of molten iron, cause personnel's scald, cause whole iron clad water to land and become waste product, increase serious potential safety hazard to operating personnel, because the splash of molten iron also causes the splash of special alloy product simultaneously, outflow causes the waste of product, also cause the air pollution in factory building to become a technology difficult problem that perplexs special alloy smelting industry simultaneously.
Summary of the invention
The object of the invention is to, provide heat in a kind of stove of smelting for multiple special alloy to convert formula arc metallurgy equipment, the outer heat of stove of smelting for traditional special alloy is converted a technique difficult problem.
To achieve these goals, technical scheme of the present invention is specific as follows:
In a kind of stove of smelting for multiple special alloy, heat is converted formula arc metallurgy equipment, comprise air compressor machine 1, batch mixing cylinder 2, loading hopper 3, main pipeline 4, coreless armature 5, electric furnace 6, arc region 7, lateral 8, feeding tube 9, it is characterized in that, batch mixing cylinder 2 one end are fixedly connected with smelting device by main pipeline 4, the other end is fixedly connected with air compressor machine 1 one end, batch mixing cylinder 2 one sides are fixedly connected with loading hopper 3 one end by feeding tube 9, described smelting device, comprise coreless armature 5, electric furnace 6, arc region 7, lateral 8, described coreless armature 5, its one end is connected and is connected with described main pipeline 4 by lateral 8, other end at right angle setting is in described electric furnace 6, described coreless armature 5 to be arranged between one end in electric furnace 6 and described electric furnace 6 inwall bottoms be arc region 7.
In described a kind of stove of smelting for multiple special alloy, heat is converted formula arc metallurgy equipment, it is characterized in that, and described electric furnace 6, its inwall is evenly laid fire-resistant, exotic material.
In described a kind of stove of smelting for multiple special alloy, heat is converted formula arc metallurgy equipment, described electric furnace 6, and its shaft one side-lower is provided with tapping hole.
In described a kind of stove of smelting for multiple special alloy, heat is converted formula arc metallurgy equipment, described coreless armature 5, and its surrounding that is arranged at the one end in electric furnace 6 is uniformly distributed high temperature sealing material.
In described a kind of stove of smelting for multiple special alloy, heat is converted formula arc metallurgy equipment, described coreless armature 5, and its cavity has been nested with steel pipe.
The present invention converts a technique difficult problem for the outer heat of stove that solves special alloy and smelt, it is by completing in stove that outer traditional stove heat is converted to technological transformation, generate below furnace charge according to molten iron in smelting process, above molten iron, there is furnace charge, ores etc. are still in continuous smelting, tapping hole is arranged to the side-lower of the body of heater of electric furnace 6, molten iron is discharged from electric furnace 6 by tapping hole, utilize the process of the self-baking electrode sintering of mineral hot furnace, at steel pipe of the interior insertion of coreless armature 5, and the continuous docking that keeps steel pipe, like this in coreless armature 5 sintering processes, because Action of Gravity Field steel pipe will decline naturally, the steel pipe that leads to furnace bottom can be because the variation of smelting temperature, automatically fusing, after the fusing of steel pipe bottom, coreless armature 5 also consumes simultaneously, coreless armature 5 is inserted in the middle of molten iron, special alloy has been smelted while needing heat to convert, in the molten iron in electric furnace 6, add heat to convert flux by coreless armature 5 tops, utilize air compressor machine 1 simultaneously, compressed air is passed through to main pipeline 4, lateral 8 blows into coreless armature 5, complete and smelt the hot all operations were of converting technique, molten iron after heat is converted, the tapping hole of the side-lower of the body of heater by electric furnace 6, after outflow, directly enter ladle, carry out pouring practice finished product.
The invention has the beneficial effects as follows, simple in structure, novel in design, practical reliable, simple to operation, this equipment is at duration of work not, steel pipe opening top in coreless armature 5 is stopped up, can avoid air to enter, prevent the too early scaling loss of furnace lining, carrying out heat to electric furnace 6 inside while converting, owing to still having furnace charge above molten iron, form enclosure space, molten iron can splash, can effectively prevent that Injection In Molten Iron spatter loss from losing and various harm, reduce air pollution, the design of the tapping hole of the side-lower of the body of heater of electric furnace 6, molten iron after heat can having been converted, directly import ladle by tapping hole, carry out finished product cast by ladle, main pipeline 4, the design of lateral, heat can be converted to flux, compressed air is led in electric furnace 6, coreless armature 5 and the inner design that steel pipe is set thereof, can effectively increase the heating surface (area) (HS of electrode paste, make fully sintering of electrode paste, eliminate soft disconnected phenomenon, utilize the design feature of steel pipe, the volatile matter of electrode paste can be discharged smoothly, improve the sintering quality of electrode paste, smelting Continuous Heat in stove converts technique to make the outer heat of the relative stove of whole smelting process convert technique just more perfect, the heat that has met special alloy smelting is converted action need and the smelting requirements of technique, reduce the outer heat of stove simultaneously and converted the various drawbacks of technique, improve the security in smelting process, also reduced the splash loss of product molten iron, saved the energy consuming due to the molten iron of splash loss in smelting, shorten operating process, operating personnel are got rid of near deathtrap, the potential safety hazard forming, reduce connecting line, installing and using of the equipment such as compressed-air actuated nozzle, controllability and the stability of equipment operating are improved.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the cutaway view of electric furnace of the present invention
Wherein, 1. air compressor machine, 2. batch mixing cylinder, 3. loading hopper, 4. main pipeline, 5. coreless armature, 6. electric furnace, 7. arc region, 8. lateral, 9. feeding tube.
Detailed description of the invention
In the stove of smelting for multiple special alloy, heat is converted a formula arc metallurgy equipment, comprises air compressor machine 1, batch mixing cylinder 2, loading hopper 3, main pipeline 4, coreless armature 5, electric furnace 6, arc region 7, lateral 8, feeding tube 9.
As shown in Figure 1, batch mixing cylinder 2 one end are fixedly connected with smelting device by main pipeline 4, and the other end is fixedly connected with air compressor machine 1 one end, and batch mixing cylinder 2 one sides are fixedly connected with loading hopper 3 one end by feeding tube 9, described electric furnace 6, its shaft one side-lower is provided with tapping hole.
As shown in Figure 2, described smelting device, comprise coreless armature 5, electric furnace 6, arc region 7, lateral 8, described coreless armature 5, its one end is connected and is connected with described main pipeline 4 by lateral 8, other end at right angle setting is in described electric furnace 6, described coreless armature 5 to be arranged between one end in electric furnace 6 and described electric furnace 6 inwall bottoms be arc region 7, described electric furnace 6, its inwall is evenly laid fire-resistant, exotic material, described coreless armature 5, its surrounding that is arranged at the one end in electric furnace 6 is uniformly distributed high temperature sealing material, described coreless armature 5, its cavity has been nested with steel pipe.
The present invention in use, utilize coke or firewood roasting coreless armature 5, make coreless armature 5 have enough working end length, and fire-resistant in electric furnace 6, the furnace lining of exotic material is fully dried and preheating, coke is placed in electric furnace 6, fully add electrothermal stove 6 inwalls using coke as the medium conducting electricity and heat, improve temperature of furnace lining, continue roasting coreless armature 5 simultaneously, furnace charge is passed through to loading hopper 3, feeding tube 9 is added batch mixing cylinder 2, start air compressor machine 1, compressed air is compressed into batch mixing cylinder 2 by air compressor machine 1, the compressed air of furnace charge in batch mixing cylinder 2 is compressed into lateral 8 by main pipeline 4, by the steel pipe in lateral 8 and coreless armature 5, furnace charge is sent in electric furnace 6, start smelting device of the present invention, the interior temperature of electric furnace 6 further raises, the end of insertion electric furnace 6 interior one end of coreless armature 5 forms independent reaction zone around gradually, it is arc region 7, along with the continuous running of this device, increased power, furnace lining accumulation of heat approaches saturated, communicate with each other in arc region 7, freeze profile becomes overall molten bath, furnace charge starts to melt gradually, become molten iron, heat is converted to flux by loading hopper 3, feeding tube 9 is added batch mixing cylinder 2, compressed air is compressed into batch mixing cylinder 2 by air compressor machine 1, heat in batch mixing cylinder 2 is converted the compressed air of flux and is compressed into lateral 8 by main pipeline 4, by the steel pipe in lateral 8 and coreless armature 5, heat is converted flux and is added in electric furnace 6, in electric furnace 6, mix with the molten iron in electric furnace 6, complete heat and convert work, molten iron after heat is converted, the tapping hole of the side-lower of the body of heater by electric furnace 6, after outflow, directly enter ladle, carry out pouring practice finished product.
Claims (5)
1. in the stove of smelting for multiple special alloy, heat is converted a formula arc metallurgy equipment, comprises air compressor machine (1), batch mixing cylinder (2), loading hopper (3), main pipeline (4), coreless armature (5), electric furnace (6), arc region (7), lateral (8), feeding tube (9), it is characterized in that, batch mixing cylinder (2) one end is fixedly connected with smelting device by main pipeline (4), the other end is fixedly connected with air compressor machine (1) one end, batch mixing cylinder (2) one sides are fixedly connected with loading hopper (3) one end by feeding tube (9), described smelting device, comprises coreless armature (5), electric furnace (6), arc region (7), lateral (8), described coreless armature (5), its one end is connected and is connected with described main pipeline (4) by lateral (8), other end at right angle setting in described electric furnace (6), described coreless armature (5) to be arranged between one end in electric furnace (6) and described electric furnace (6) inwall bottom be arc region (7).
2. heat is converted formula arc metallurgy equipment in a kind of stove of smelting for multiple special alloy according to claim 1, it is characterized in that, and described electric furnace (6), its inwall is evenly laid fire-resistant, exotic material.
3. heat is converted formula arc metallurgy equipment in a kind of stove of smelting for multiple special alloy according to claim 1, it is characterized in that, and described electric furnace (6), its shaft one side-lower is provided with tapping hole.
4. heat is converted formula arc metallurgy equipment in a kind of stove of smelting for multiple special alloy according to claim 1, it is characterized in that, and described coreless armature (5), its surrounding that is arranged at the one end in electric furnace (6) is uniformly distributed high temperature sealing material.
5. heat is converted formula arc metallurgy equipment in a kind of stove of smelting for multiple special alloy according to claim 1, it is characterized in that, and described coreless armature (5), its cavity has been nested with steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136786.5A CN104110957B (en) | 2013-04-18 | 2013-04-18 | A kind of stove interior-heat smelted for various special alloys converts formula arc metallurgy equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136786.5A CN104110957B (en) | 2013-04-18 | 2013-04-18 | A kind of stove interior-heat smelted for various special alloys converts formula arc metallurgy equipment |
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| Publication Number | Publication Date |
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| CN104110957A true CN104110957A (en) | 2014-10-22 |
| CN104110957B CN104110957B (en) | 2017-03-29 |
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| CN201310136786.5A Expired - Fee Related CN104110957B (en) | 2013-04-18 | 2013-04-18 | A kind of stove interior-heat smelted for various special alloys converts formula arc metallurgy equipment |
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Citations (8)
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| JPS6425938A (en) * | 1987-07-20 | 1989-01-27 | Daido Steel Co Ltd | Refining method for molten steel by arc furnace |
| JPH0416504A (en) * | 1990-05-11 | 1992-01-21 | Kawasaki Steel Corp | Method for purifying silicon |
| US5402439A (en) * | 1992-02-18 | 1995-03-28 | Rwe Energie Aktiengesellschaft | Process and apparatus for disposing of dust-form substances from combustion plants |
| CN2201643Y (en) * | 1994-10-24 | 1995-06-21 | 本溪冶金高等专科学校 | Ore powder jetting device for ore heating furnace |
| CN1171537A (en) * | 1996-03-28 | 1998-01-28 | 亚瑞亚·勃朗勃威力有限公司 | Method of operating arc furnace, and arc furnace |
| CN101261078A (en) * | 2008-01-03 | 2008-09-10 | 谢西平 | Large-sized DC hollow electrode hermetic submerged arc furnace |
| CN202626233U (en) * | 2012-03-30 | 2012-12-26 | 河北钢铁集团有限公司 | LF refining device with powder injection function |
| CN203190785U (en) * | 2013-04-18 | 2013-09-11 | 甘肃山丹腾达西铁冶金有限责任公司 | Furnace internal Perrin process type electric arc metallurgical equipment for smelting of multiple kinds of special alloy |
-
2013
- 2013-04-18 CN CN201310136786.5A patent/CN104110957B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6425938A (en) * | 1987-07-20 | 1989-01-27 | Daido Steel Co Ltd | Refining method for molten steel by arc furnace |
| JPH0416504A (en) * | 1990-05-11 | 1992-01-21 | Kawasaki Steel Corp | Method for purifying silicon |
| US5402439A (en) * | 1992-02-18 | 1995-03-28 | Rwe Energie Aktiengesellschaft | Process and apparatus for disposing of dust-form substances from combustion plants |
| CN2201643Y (en) * | 1994-10-24 | 1995-06-21 | 本溪冶金高等专科学校 | Ore powder jetting device for ore heating furnace |
| CN1171537A (en) * | 1996-03-28 | 1998-01-28 | 亚瑞亚·勃朗勃威力有限公司 | Method of operating arc furnace, and arc furnace |
| CN101261078A (en) * | 2008-01-03 | 2008-09-10 | 谢西平 | Large-sized DC hollow electrode hermetic submerged arc furnace |
| CN202626233U (en) * | 2012-03-30 | 2012-12-26 | 河北钢铁集团有限公司 | LF refining device with powder injection function |
| CN203190785U (en) * | 2013-04-18 | 2013-09-11 | 甘肃山丹腾达西铁冶金有限责任公司 | Furnace internal Perrin process type electric arc metallurgical equipment for smelting of multiple kinds of special alloy |
Non-Patent Citations (1)
| Title |
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| 张伟华: "我厂4~#电石炉空心电极系统简介", 《中氮肥》 * |
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| CN104110957B (en) | 2017-03-29 |
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Granted publication date: 20170329 Termination date: 20200418 |