CN201181152Y - Novel DC electric arc stove - Google Patents
Novel DC electric arc stove Download PDFInfo
- Publication number
- CN201181152Y CN201181152Y CNU2007200656073U CN200720065607U CN201181152Y CN 201181152 Y CN201181152 Y CN 201181152Y CN U2007200656073 U CNU2007200656073 U CN U2007200656073U CN 200720065607 U CN200720065607 U CN 200720065607U CN 201181152 Y CN201181152 Y CN 201181152Y
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- furnace
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- novel
- electric arc
- arc furnaces
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Abstract
The utility model provides an electric smelting furnace for processing and recovering industrial waste containing valuable metals, which comprises a furnace body and an electrode lifting system and also includes an electrode sealing device, an integrally cast furnace roof, a combined water-cooling steel bar bottom electrode, three electrodes and a power supply and electric control system. A molten body discharge hole (6) is formed on the lower part of a melting bath of the furnace body for discharging molten body during the normal production, and a molten body discharge hole (7) is formed on the lower part of the melting bath of the furnace body for maintaining and discharging the combined water-cooling steel bar bottom electrode. The furnace is a direct-current arc furnace powered by direct current, and can smelt iron alloy from industrial waste by using carbon as the reducing agent, thereby achieving recycle use of the resources. An electrode argon-blowing channel is pre-reserved on the furnace for blowing ionizable argon gas according the production requirement, thereby remarkably improving the temperature of the smelting furnace and improving the material smelting speed.
Description
Technical field
The utility model relates to a kind of direct current electric arc furnace, more specifically, relates to a kind of comprehensive reduction melting direct current electric arc furnace that reclaims of trade waste that is used for.
Background technology
Along with extensively carrying out of resource circulation utilization, technology at various trade waste comprehensive reutilizations is just extensively carried out R﹠D work, adopt direct current electric arc furnace melting trade waste, the valuable metal that extracts wherein when realizing harmless treatment is a kind of development trend.At present, adopt the method for the direct melting trade waste of direct current electric arc furnace to exist disposal ability little, the body of heater poisonous gas leakage is serious, and export license is big, and converter life is short, the shortcoming that security and energy utilization rate are low.Therefore, develop a kind of high-effectly, the Novel DC electric arc furnaces of safety and environmental protection is the problem that presses for solution in the industry.The utility model reclaims valuable metal wherein simultaneously for the harmless treatment of trade waste, and cleaner production has practicality widely.
The utility model content
The purpose of this utility model is to provide a kind of direct current electric arc furnace that is used for the melting of trade waste fire reduction, to solve the above-mentioned shortcoming that exists in the aforementioned present similar electric furnace.
For achieving the above object, solution of the present utility model is: a kind of processing contains the Novel DC electric arc furnaces of valency metal industry recovery and reuse of waste, include body of heater, this body of heater includes: electrode seals (1), integrated poured airtight furnace roof (2), combined type water-cooled rod iron hearth electrode (3), electrode lifting device (4), three electrodes and power supply electric-control system (5); Melt outlet (6) when bottom, body of heater molten bath is provided with ordinary production, the melt outlet (7) of combined type water-cooled rod iron hearth electrode maintenance discharging usefulness.
This electric furnace electrode sealing device (1) adopts mechanical compaction formula multilayer packing seal circle sealing means, is made up of mechanical clamping device, sealing ring, high low temperature airtight and watertight padding.
The integrated poured airtight furnace roof of this stove (2) is provided with airtight dilatation joint and support steel structure, and furnace roof also is provided with the hygienic environment-protecting petticoat pipe; Above discharging opening, also be provided with sanitary ventilation environmental protection petticoat pipe.
This stove combined type water-cooled rod iron hearth electrode (3) band temperature detecting alarm system.
This stove electrode lifting device (4) is a hydraulic lifting system, and is provided with the electric-control system that the control electrode lifting reaches the adjusting fire box temperature.
Melt outlet (6) when bottom, body of heater molten bath is provided with ordinary production, the melt outlet (7) of combined type water-cooled rod iron hearth electrode maintenance discharging usefulness.
In addition, hollow graphite electrode is adopted in the design of this stove, according to producing needs, can realize being blown into ionized gas or other gas from this passage, realizes plasma melting, can significantly improve bath temperature and smelting intensity.
In a word, summary of benefits of the present utility model is as follows:
1, design three electrode direct current meltings, burner hearth molten bath area increases, and efficient is higher, and export license reduces, and the operation noise is low, and production capacity strengthens, and nonconducting trade waste tool is had great advantage;
2, novel mechanical hermetically-sealed construction, good sealing effect have been designed;
3, design integrated poured furnace roof, dilatation joint rationally is set, guaranteed that sealing simultaneously, has strengthened the stability of body of heater;
4, simple to operate, body of heater is airtight, noise is low, tail gas from electric furnace is a reducibility gas, behind dust cleaning as the fuel recovery utilization, smoke-less pollution, environmental protection is good.
5, converter life is long, wide accommodation.
Consulting the accompanying drawing of accompanying description the utility model embodiment, is very easily with describing the utility model afterwards in detail.Accompanying drawing can not be interpreted as that with relevant description to restriction of the present utility model, characteristics of the present utility model are limited in claims.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of embodiment direct current electric arc furnace described in the utility model.
The specific embodiment
The utility model embodiment provides a kind of vertical cylindricality stove of novel steel sleeve liner tile, and it is based on body of heater.In the accompanying drawing, furnace shell 1 is a steel sleeve, and furnace lining 2 is the liner composite refractory brick, and furnace roof 3 has adopted whole body cast insulation furnace roof, 4 are the emergency repair fire door, 5 is the furnace bottom water cooled electrode, and 6 is furnace roof lifting electrode, and 7 is hydraulic lifting apparatus, 8 are the smoke evacuation interface, 9 are reinforced import, and 10 is the ordinary production discharging opening, and 11 is hearth electrode dump mouth.
Furnace roof lifting electrode adopts hollow graphite electrode, when production needs, easily ionizable gas can be blown in the stove by this hole, improves smelting intensity, accelerates the material speed of melting.Furnace roof also is provided with three materials and adds hand-hole, and three rise fall of electrodes holes and a flue gas tap, bottom of furnace body are provided with at the bottom of three water-cooleds anode and make up overall electrode.Material was generally emitted by producing discharging opening 10 after melting finished, and kept a small amount of bottom melt, to protect hearth electrode.During emergency repair, emit melt by bottom dump mouth 11.
When this electric furnace normally moves, can adopt single stove discontinuous running, be equipped with the sanitary ventilation cover under melt floss hole and the throat platform, good work environment, and tail gas from electric furnace can be made fuel use, smoke-less pollution for producing behind dust cleaning.
In a word, the utility model can be widely used in the recycling of trade waste, particularly contains The comprehensive recovery of the trade waste of valency metal has safety, environmental protection, energy-conservation characteristics.
Claims (6)
1. Novel DC electric arc furnaces, include body of heater, it is characterized in that: this body of heater includes: electrode seals (1), integrated poured airtight furnace roof (2), combined type water-cooled rod iron hearth electrode (3), electrode lifting device (4), three electrodes and power supply electric-control system (5); Melt outlet (6) when bottom, body of heater molten bath is provided with ordinary production, the melt outlet (7) of combined type water-cooled rod iron hearth electrode maintenance discharging usefulness.
2. Novel DC electric arc furnaces as claimed in claim 1 is characterized in that this electric furnace electrode sealing device (1) adopts mechanical compaction formula multilayer packing seal circle sealing means, is made up of mechanical clamping device, sealing ring, high low temperature airtight and watertight padding.
3. Novel DC electric arc furnaces as claimed in claim 1 is characterized in that the integrated poured airtight furnace roof of this stove (2) is provided with airtight dilatation joint and support steel structure, and furnace roof also is provided with the hygienic environment-protecting petticoat pipe; Above discharging opening, also be provided with sanitary ventilation environmental protection petticoat pipe.
4. the Novel DC electric arc furnaces of handling according to claim 1 is characterized in that this stove combined type water-cooled rod iron hearth electrode (3) band temperature detecting alarm system.
5. Novel DC electric arc furnaces as claimed in claim 1 is characterized in that this stove electrode lifting device (4) is hydraulic lifting system, and is provided with the electric-control system that the control electrode lifting reaches the adjusting fire box temperature.
6. Novel DC electric arc furnaces as claimed in claim 1, melt outlet (6) when it is characterized in that bottom, body of heater molten bath is provided with ordinary production, the melt outlet (7) of combined type water-cooled rod iron hearth electrode maintenance discharging usefulness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200656073U CN201181152Y (en) | 2007-12-28 | 2007-12-28 | Novel DC electric arc stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200656073U CN201181152Y (en) | 2007-12-28 | 2007-12-28 | Novel DC electric arc stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201181152Y true CN201181152Y (en) | 2009-01-14 |
Family
ID=40250651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200656073U Expired - Fee Related CN201181152Y (en) | 2007-12-28 | 2007-12-28 | Novel DC electric arc stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201181152Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197709A (en) * | 2014-09-02 | 2014-12-10 | 山东亨圆铜业有限公司 | Electromagnetic stirring shield electric melting furnace |
| CN104630493A (en) * | 2015-02-15 | 2015-05-20 | 池州冠华黄金冶炼有限公司 | Copper melting furnace slag dilution device |
| CN114990348A (en) * | 2022-05-30 | 2022-09-02 | 金川镍钴研究设计院有限责任公司 | Method for producing blister copper from copper-nickel slag |
-
2007
- 2007-12-28 CN CNU2007200656073U patent/CN201181152Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197709A (en) * | 2014-09-02 | 2014-12-10 | 山东亨圆铜业有限公司 | Electromagnetic stirring shield electric melting furnace |
| CN104197709B (en) * | 2014-09-02 | 2016-04-06 | 山东亨圆铜业有限公司 | A kind of electromagnetic agitation shielding electric smelter |
| CN104630493A (en) * | 2015-02-15 | 2015-05-20 | 池州冠华黄金冶炼有限公司 | Copper melting furnace slag dilution device |
| CN104630493B (en) * | 2015-02-15 | 2018-02-09 | 池州冠华黄金冶炼有限公司 | A kind of Copper making slag depletion device |
| CN114990348A (en) * | 2022-05-30 | 2022-09-02 | 金川镍钴研究设计院有限责任公司 | Method for producing blister copper from copper-nickel slag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGSHA ENGINEERING + RESEARCH INSTITUTE LTD. OF Free format text: FORMER NAME: CHANGSHA DESIGN INST. OF NON-FERROUS METALLURGY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 410001 No. 199 Jiefang Middle Road, Hunan, Changsha Patentee after: Changsha Engineering & Research Institute of Nonferrous Metallurgy Co., Ltd. Address before: 410001 No. 199 Jiefang Middle Road, Hunan, Changsha Patentee before: Changsha Design Inst. of Non-Ferrous Metallurgy |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20151228 |
|
| EXPY | Termination of patent right or utility model |