CN204718378U - A kind of coreless induction furnace - Google Patents
A kind of coreless induction furnace Download PDFInfo
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- CN204718378U CN204718378U CN201520430889.7U CN201520430889U CN204718378U CN 204718378 U CN204718378 U CN 204718378U CN 201520430889 U CN201520430889 U CN 201520430889U CN 204718378 U CN204718378 U CN 204718378U
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Abstract
The utility model discloses a kind of coreless induction furnace, comprise bell and body of heater, described body of heater comprises furnace lining, coil, flame retardant coating and shell, furnace lining arranged outside coil, sliding surface is provided with between furnace lining and coil, coil arranged outside flame retardant coating, flame retardant coating arranged outside shell, described bottom of furnace body is provided with gaseous diffuser, gaseous diffuser is embedded in furnace lining apart from furnace bottom top 50-100mm, furnace bottom castable is provided with below described body of heater, steel plate is embedded with in furnace bottom castable, steel plate is provided with the suspension ring for lifting by crane furnace lining, described steel plate is circular configuration, the diameter of steel plate is less than the internal diameter of coil, be greater than the internal diameter of body of heater, side, described body of heater upper end is provided with converter nose.Coreless induction furnace of the present utility model, intensity is high, good rigidly, high insulating effect, can effectively remove stove inclusion, extend the service life of fire resisting material of furnace body, meanwhile, conveniently remove furnace lining, shorten and tear the stove time open, alleviate operation intensity, decrease the dust of working environment.
Description
Technical field
The utility model relates to induction furnace technical field, particularly relates to a kind of coreless induction furnace.
Background technology
Coreless induction furnace is the electric furnace utilizing the Induction Heating effect of material and make heating material or fusing, mainly comprises induction coil, furnace lining crucible, bell, grate and power supply etc.Current coreless induction furnace heat insulation effect is poor, and after long-time use, cast steel forms erosion to fire proof material of furnace lining, reduces the service life of refractory material; When the furnace lining of coreless induction furnace will reach its service life, need furnace lining to remove to scrap, traditional tears stove method open, need the instruments such as artificial use electric drill, by furnace lining progressively demolition reduction, the activity duration is long, inefficiency, and tradition produces with a large amount of dust when tearing stove open, causes long pollution to working environment.
Utility model content
The purpose of this utility model there is provided a kind of coreless induction furnace, and intensity is high, good rigidly, high insulating effect, can effectively remove stove inclusion, removes gas content, make equalizing temperature, homogenization of composition, extend the service life of fire resisting material of furnace body, reduce percent defective, improve casting quality, simultaneously, conveniently remove furnace lining, substantially reduce and tear the stove time open, alleviate operation intensity, decrease the dust of working environment, avoid the cleaning of residual broken furnace lining, save a large amount of manpower and activity duration.
The technical solution adopted in the utility model is as follows:
A kind of coreless induction furnace, comprise bell and body of heater, described body of heater comprises furnace lining, coil, flame retardant coating and shell, described furnace lining arranged outside coil, sliding surface is provided with between furnace lining and coil, coil arranged outside flame retardant coating, flame retardant coating arranged outside shell, described bottom of furnace body is provided with gaseous diffuser, gaseous diffuser is embedded in furnace lining apart from furnace bottom top 50-100mm, furnace bottom castable is provided with below described body of heater, steel plate is embedded with in furnace bottom castable, steel plate is fixed with the suspension ring for lifting by crane furnace lining, described steel plate is circular configuration, the diameter of steel plate is less than the internal diameter of coil, be greater than the internal diameter of body of heater, side, described body of heater upper end is provided with converter nose.
The outer edge of described steel plate arranges insulation clay.The magnetic field preventing coil from producing makes steel plate generation current and is heated.
Described suspension ring have two.
Described flame retardant coating is formed by the refractory material casting of high-purity corundum base.It has the characteristic such as high strength, high fine and close, high insulation, and service life reaches the several years.Can effectively prevent the seepage of metal bath and cause the damage of coil, and support coils, and there is very excellent cementation, easy to operate.
Described sliding surface is high-performance cloud motherboard.
Described furnace lining forming with the dry type refractory material casting of spinelle combination by corundum base.Its at a lower temperature, hot side forms the high glaze paint of intensity, and at extreme temperatures, has again good loose backing simultaneously.This neutral refractory is applied in coreless induction furnace, in order to melting stainless steel, high-alloy steel and charcoal steel, has good not dry slag.
Described furnace bottom castable is formed by the castable of low cement high-strength degree and fibre pouring.
Described converter nose is poured into a mould by high-alumina raw material and is formed.
Compared with the prior art, the beneficial effects of the utility model are as follows:
Coreless induction furnace of the present utility model, intensity is high, good rigidly, high insulating effect, by arranging sliding surface between furnace lining and coil, between furnace lining and coil, form a contact surface being easy to slide, with the resistance of the expansion and contraction that reduce furnace lining, reduce the crackle tendency of furnace lining to greatest extent, extend the life-span of furnace lining; By arranging gaseous diffuser at bottom of furnace body, gaseous diffuser is embedded in furnace lining apart from furnace bottom top 50-100mm, in melt, current stabilization argon gas is passed into by gaseous diffuser, play degasification, effect except oxide inclusion, make equalizing temperature, homogenization of composition, extend the service life of fire resisting material of furnace body, reduce percent defective, improve casting quality; Furnace bottom castable is provided with below described body of heater, steel plate is embedded with in furnace bottom castable, steel plate is fixed with the suspension ring for lifting by crane furnace lining, at the pre-buried block plate of furnace bottom before brickwork, first sub-fraction is removed by bottom furnace lining when tearing stove open, cruelly spill the suspension ring on reserved steel plate, then crane is used to hang pre-embedded steel slab, furnace lining entirety is hung out, conveniently removes furnace lining, substantially reduce and tear the stove time open, alleviate operation intensity, decrease the dust of working environment, avoid the cleaning of residual broken furnace lining, save a large amount of manpower and activity duration.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model will be further described.
Embodiment:
See accompanying drawing 1, a kind of coreless induction furnace, comprise bell 1 and body of heater 2, described body of heater 2 comprises furnace lining 3, coil 4, flame retardant coating 5 and shell 6, described furnace lining 3 arranged outside coil 4, sliding surface 7 is provided with between furnace lining 3 and coil 4, coil 4 arranged outside flame retardant coating 5, flame retardant coating 5 arranged outside shell 6, gaseous diffuser 8 is provided with bottom described body of heater 2, gaseous diffuser 8 is embedded in furnace lining 3 apart from furnace bottom top 100mm, furnace bottom castable 9 is provided with below described body of heater 2, steel plate 10 is embedded with in furnace bottom castable 9, the outer edge of described steel plate 10 arranges insulation clay, steel plate 10 is fixed with the suspension ring 11 for lifting by crane furnace lining, described suspension ring have two, described steel plate 10 is circular configuration, the diameter of steel plate 10 is less than the internal diameter of coil 4, be greater than the internal diameter of body of heater 2, side, described body of heater 2 upper end is provided with converter nose 12, described flame retardant coating 5 is formed by the refractory material casting of high-purity corundum base, it has high strength, high fine and close, the characteristics such as high insulation, service life reaches the several years, can effectively prevent the seepage of metal bath and cause the damage of coil, and support coils, and there is very excellent cementation, easy to operate.Described sliding surface 7 is high-performance cloud motherboard, described furnace lining 3 being formed by the dry type refractory material casting combined with spinelle of corundum base, its at a lower temperature, hot side forms the high glaze paint of intensity, and at extreme temperatures, have again good loose backing simultaneously.This neutral refractory is applied in coreless induction furnace, in order to melting stainless steel, high-alloy steel and charcoal steel, has good not dry slag.Described furnace bottom castable 9 is formed by the castable of low cement high-strength degree and fibre pouring, and described converter nose is poured into a mould by high-alumina raw material and formed.Coreless induction furnace of the present utility model, intensity is high, good rigidly, high insulating effect, by arranging sliding surface 9 between furnace lining 3 and coil 4, between furnace lining and coil, form a contact surface being easy to slide, with the resistance of the expansion and contraction that reduce furnace lining 3, reduce the crackle tendency of furnace lining to greatest extent, extend the life-span of furnace lining; By arranging gaseous diffuser 8 bottom body of heater 2, gaseous diffuser is embedded in furnace lining apart from furnace bottom top 50-100mm, in melt, current stabilization argon gas is passed into by gaseous diffuser, play degasification, effect except oxide inclusion, make equalizing temperature, homogenization of composition, extend the service life of fire resisting material of furnace body, reduce percent defective, improve casting quality; Furnace bottom castable 9 is provided with below described body of heater, steel plate 10 is embedded with in furnace bottom castable 9, steel plate 10 is fixed with the suspension ring 11 for lifting by crane furnace lining, at the pre-buried block plate of furnace bottom before brickwork, first sub-fraction is removed by bottom furnace lining when tearing stove open, cruelly spill the suspension ring on reserved steel plate, then crane is used to hang pre-embedded steel slab, furnace lining entirety is hung out, conveniently removes furnace lining, substantially reduce and tear the stove time open, alleviate operation intensity, decrease the dust of working environment, avoid the cleaning of residual broken furnace lining, save a large amount of manpower and activity duration.
Claims (8)
1. a coreless induction furnace, it is characterized in that: comprise bell and body of heater, described body of heater comprises furnace lining, coil, flame retardant coating and shell, described furnace lining arranged outside coil, sliding surface is provided with between furnace lining and coil, coil arranged outside flame retardant coating, flame retardant coating arranged outside shell, described bottom of furnace body is provided with gaseous diffuser, gaseous diffuser is embedded in furnace lining apart from furnace bottom top 50-100mm, furnace bottom castable is provided with below described body of heater, steel plate is embedded with in furnace bottom castable, steel plate is fixed with the suspension ring for lifting by crane furnace lining, described steel plate is circular configuration, the diameter of steel plate is less than the internal diameter of coil, be greater than the internal diameter of body of heater, side, described body of heater upper end is provided with converter nose.
2. coreless induction furnace according to claim 1, is characterized in that: the outer edge of described steel plate arranges insulation clay.
3. coreless induction furnace according to claim 1, is characterized in that: described suspension ring have two.
4. coreless induction furnace according to claim 1, is characterized in that: described flame retardant coating is formed by the refractory material casting of high-purity corundum base.
5. coreless induction furnace according to claim 1, is characterized in that: described sliding surface is high-performance cloud motherboard.
6. coreless induction furnace according to claim 1, is characterized in that: described furnace lining forming with the dry type refractory material casting of spinelle combination by corundum base.
7. coreless induction furnace according to claim 1, is characterized in that: described furnace bottom castable is formed by the castable of low cement high-strength degree and fibre pouring.
8. coreless induction furnace according to claim 1, is characterized in that: described converter nose is poured into a mould by high-alumina raw material and formed.
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CN201520430889.7U CN204718378U (en) | 2015-06-19 | 2015-06-19 | A kind of coreless induction furnace |
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CN201520430889.7U CN204718378U (en) | 2015-06-19 | 2015-06-19 | A kind of coreless induction furnace |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106116602A (en) * | 2016-06-29 | 2016-11-16 | 焦作金鑫恒拓新材料股份有限公司 | A kind of method extending aluminium melting furnace furnace lining service life |
CN107367170A (en) * | 2016-05-12 | 2017-11-21 | 科华控股股份有限公司 | A kind of castable with repairing ladle, which is built, builds electric furnace fire door to protect the structure of fire door |
CN112212699A (en) * | 2019-07-11 | 2021-01-12 | 晟通科技集团有限公司 | Smelting furnace aluminum outlet casting nozzle and manufacturing method thereof |
-
2015
- 2015-06-19 CN CN201520430889.7U patent/CN204718378U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107367170A (en) * | 2016-05-12 | 2017-11-21 | 科华控股股份有限公司 | A kind of castable with repairing ladle, which is built, builds electric furnace fire door to protect the structure of fire door |
CN106116602A (en) * | 2016-06-29 | 2016-11-16 | 焦作金鑫恒拓新材料股份有限公司 | A kind of method extending aluminium melting furnace furnace lining service life |
CN112212699A (en) * | 2019-07-11 | 2021-01-12 | 晟通科技集团有限公司 | Smelting furnace aluminum outlet casting nozzle and manufacturing method thereof |
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Address after: 242300 Fancun Road, heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Patentee after: Ningguo Kaiyuan Electric POWER WEAR Resistant MATERIALS Co.,Ltd. Address before: 242300 Heli Industrial Concentration Zone, Ningguo Economic and Technological Development Zone, Xuancheng, Anhui Province Patentee before: NINGGUO KAIYUAN ELECTRIC POWER WEAR RESISTANT MATERIALS Co.,Ltd. |
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