CN201181152Y - A New Type of DC Electric Arc Furnace - Google Patents
A New Type of DC Electric Arc Furnace 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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- China
- Prior art keywords
- furnace
- electrode
- electric arc
- combined water
- arc furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010891 electric arc Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000000155 melt Substances 0.000 claims abstract description 8
- 238000012423 maintenance Methods 0.000 claims abstract description 4
- 230000007613 environmental effect Effects 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 239000003517 fume Substances 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000002844 melting Methods 0.000 abstract description 10
- 230000008018 melting Effects 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 4
- 229910052786 argon Inorganic materials 0.000 abstract 2
- 239000002440 industrial waste Substances 0.000 abstract 2
- 229910000640 Fe alloy Inorganic materials 0.000 abstract 1
- 241001417490 Sillaginidae Species 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 229910000754 Wrought iron Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
本实用新型提供了一种处理含有价金属工业废弃物回收利用的熔炼电炉，包含有炉体和电极提升系统，还包含有：电极密封装置、整体浇注炉顶、组合式水冷钢棒底电极、三电极及供电、电控系统。炉体熔池下部设置有正常生产时熔体排出口(6)，组合式水冷钢棒底电极检修排放用的熔体排出口(7)。该炉属直流电弧炉，采用直流电供给能量，利用碳做还原剂，直接从工业废弃物中熔炼出铁合金，实现了资源的循环使用。该炉预留有电极吹氩通道，根据生产需要可从该通道吹入易电离氩气，能显著提高熔炼温度，加快物料熔炼速度。
The utility model provides a smelting electric furnace for recycling industrial waste containing valuable metals, which includes a furnace body and an electrode lifting system, and also includes: an electrode sealing device, an integral pouring furnace top, a combined water-cooled steel bar bottom electrode, Three electrodes and power supply, electric control system. The lower part of the molten pool of the furnace body is provided with a melt discharge port (6) during normal production and a melt discharge port (7) for the combined water-cooled steel bar bottom electrode maintenance and discharge. The furnace is a direct current electric arc furnace, which uses direct current to supply energy, uses carbon as a reducing agent, and directly smelts iron alloys from industrial waste, realizing the recycling of resources. The furnace is reserved with an argon blowing channel for electrodes, through which easily ionized argon can be blown according to production needs, which can significantly increase the melting temperature and speed up material melting.
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200656073U CN201181152Y (en) | 2007-12-28 | 2007-12-28 | A New Type of DC Electric Arc Furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200656073U CN201181152Y (en) | 2007-12-28 | 2007-12-28 | A New Type of DC Electric Arc Furnace |
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 | A New Type of DC Electric Arc Furnace |
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 |