CN203429234U - Immersed blowing reduction system of depletion electric furnace - Google Patents
Immersed blowing reduction system of depletion electric furnace Download PDFInfo
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- CN203429234U CN203429234U CN201320491668.1U CN201320491668U CN203429234U CN 203429234 U CN203429234 U CN 203429234U CN 201320491668 U CN201320491668 U CN 201320491668U CN 203429234 U CN203429234 U CN 203429234U
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- 230000009467 reduction Effects 0.000 title claims abstract description 46
- 238000007664 blowing Methods 0.000 title abstract 3
- 239000002893 slag Substances 0.000 claims abstract description 55
- 230000018044 dehydration Effects 0.000 claims abstract description 39
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 33
- 238000007654 immersion Methods 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- 239000010985 leather Substances 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 5
- 230000002829 reductive effect Effects 0.000 abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 10
- 238000010790 dilution Methods 0.000 abstract description 7
- 239000012895 dilution Substances 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 6
- 239000003638 chemical reducing agent Substances 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009853 pyrometallurgy Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 128
- 238000000034 method Methods 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 5
- 238000003113 dilution method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000008157 edible vegetable oil Substances 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 206010016952 Food poisoning Diseases 0.000 description 1
- 208000019331 Foodborne disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The utility model relates to an immersed blowing reduction system of a depletion electric furnace, which belongs to the technical field of pyrometallurgy. The immersed blowing reduction system of the depletion electric furnace comprises a gutter oil depot, a filter and dehydration device, a filter dehydration gutter oil depot, a pipeline system, a reduction oil gun and a depletion electric furnace, wherein the filter and dehydration device comprises a filter and an oil-water separator; the pipeline system comprises a boosting pressure oil pump, a flowmeter, an electromagnetic valve, a check valve, a ball valve and a pressure control valve. The filtered dehydrated gutter oil or an oil-gas mixture formed by the filtered dehydrated gutter oil and high-pressure nitrogen is adopted as a reducing agent, so that the high-efficiency and low-cost recycling of the gutter oil can be realized; meanwhile, the reducing efficiency of the reducing agent is also improved, and the production cost for dilution of the furnace slag can be reduced.
Description
Technical field
The utility model relates to a kind of slag cleaning furnace immersion winding-up restoring system, belongs to pyrometallurgy technical field.
Background technology
In nonferrous smelting, the application of oxygen enrichment intensified smelting technology is more and more wider, and it certainly will make martial ethiops be enriched in slag, increases slag viscosity, is unfavorable for the separation of copper in subsequent technique, slag, thereby causes slag copper content to raise.For improving the rate of recovery of copper, after oxygen enrichment intensified smelting, slag must, by further dilution, reduce copper content in slag.
At present, in the pyrometallurgical smelting process of copper, the method for dilution smelting slag mainly contains slow cooling flotation process and melting dilution method.Slow cooling flotation process is longer because of technical process, and need to consume other a large amount of materials and causes economic benefit poor.Melting dilution method mainly contains converter dilution and electric dilution method, converter dilution method because of waste cupric all more than 1% apply at home less; Electric dilution effect is better, and can control slag copper content between 0.4%～1% and find broad application.
At present, in electric dilution slag process, generally add the solid reduction materials such as coke, coal and charcoal to reduce, its shortcoming is that reduction efficiency is low and energy consumption is high.Adopt the reduction efficiency of the gaseous reducing agents such as Sweet natural gas, coal gas or liquefied gas high, but it is subject to geographical conditions restriction and at high temperature have larger potential safety hazard.
The patent No. is that CN200510010980.4 discloses a kind of " slag cleaning furnace top-blown immersion technology ", this technology be take diesel oil or diesel oil, and to add the mixture that pressurized air forms be reductive agent, when in electric furnace slag, magnetic oxygenated iron level reaches 8～12%, controlling oil atomizer gun oil mass is 80～130 ls/h, oil atomizer gun is inputted to DCS system and by automatic regulating valve, controlled and sprayed into melt later; By reducing degree and furnace atmosphere, allocated into pressurized air and regulated air quantity, compression air quantity is controlled at 600～1100Nm
3/ hour, reductive agent is delivered to the pipeline that automatic regulating valve is controlled, pipeline is connected with oil atomizer gun, oil atomizer gun is immersed in melt from insertion molten bath, body of heater top, and the mode of employing top blast is blown into melt by injection of reducing agent martial ethiops is reduced, and the present invention has improved the reduction efficiency of reductive agent greatly, effectively improve the mobility of electric furnace slag, reduce Copper Loss in Slag from Electric, and can alleviate, process dross in stove, effectively guarantee carrying out smoothly of slag cleaning furnace technique.But the present invention adopts the liquid reducers such as diesel oil, but the diesel consumption of dilution slag per ton is more than 2L, thereby increases production cost.
And the sewer oil of all kinds of poor quality oils in conduct life, after a part is reclaimed by illegal retailer, flows on dining table through refining into the edible oil of personation, can cause food poisoning, even carcinogenic, serious harm human health.Even if do not refined into edible oil, sewer oil also can cause: (1) trench causes waste water crossing current after stopping up, easily smelly, has a strong impact on environment; (2) because waste oil does not recycle (can be used as sanitas, separant of mechanical lubricating oil, building materials etc.), cause the waste of resource.
Summary of the invention
The problem and the deficiency that for above-mentioned prior art, exist, the utility model provides a kind of slag cleaning furnace immersion winding-up restoring system, the gas-oil mixture that this system adopts filter dehydration sewer oil or filter dehydration sewer oil and high pressure nitrogen to form is reductive agent, realized efficient, the low-cost recycling of sewer oil, improve the reduction efficiency of reductive agent simultaneously, and having reduced the production cost of slag depletion, the utility model is achieved through the following technical solutions.
An immersion winding-up restoring system, comprises trench oil depot 1, filtration and dewatering unit, filter dehydration trench oil depot 20, tubing system, reduction oil gun 42 and slag cleaning furnace 43, and wherein filtration and dewatering unit comprise strainer and water-and-oil separator, tubing system comprises oil booster pump, under meter 32, magnetic valve 37, vacuum breaker, ball valve and pressure controlled valve 47, trench oil depot 1 is connected with the import of strainer by stopping valve, the outlet of strainer is connected with the import of water-and-oil separator by stopping valve, the outlet of water-and-oil separator is connected with the import of filter dehydration trench oil depot 20, the outlet of filter dehydration trench oil depot 20 is connected with oil booster pump by stopping valve, oil booster pump is connected filter dehydration trench oil depot 20 by stopping valve with pressure controlled valve 47 loops, oil booster pump is connected with under meter 32 by vacuum breaker, under meter 32 is connected with magnetic valve 37 by stopping valve, magnetic valve 37 is successively by stopping valve 38, ball valve 39, high pressure hose 40, insulation leather hose 41 is connected with reduction oil gun 42, reduction oil gun 42 is placed in slag cleaning furnace 43 and is immersed in molten bath slag blanket.
On described strainer, by stopping valve, be provided with filtrate relief outlet; On water-and-oil separator, by stopping valve, be provided with water relief outlet.
Described under meter 32 is provided with stopping valve 34 by stopping valve 33 connecting pipeline upper ends and forms pipeline loop; Stopping valve 36, magnetic valve 37, stopping valve 38 connecting pipeline upper ends are provided with stopping valve 35 and form pipeline loop.
Described reduction oil gun 42 comprises rifle head 52, barral of a gun 51 and rifle end linkage section 50, and adopting is threaded forms
It is the high temperature resistance protective layer of 10～40mm that described reduction oil gun 42 rifle head skins have thickness.
Described reduction oil gun 42 is single hose spray gun or concentric locking collar tubular type spray gun.
The reductive agent of this slag cleaning furnace immersion winding-up restoring system is the gas-oil mixture of filter dehydration sewer oil or filter dehydration sewer oil and high pressure nitrogen formation.
The utility model using method is: by collecting the sewer oil coming, deliver to trench oil depot 1, then pass through filter (3, 12) and water-and-oil separator (6, 15) obtain filter dehydration sewer oil, filter dehydration sewer oil is delivered to filter dehydration trench oil depot 20, filter dehydration sewer oil is transported in tubing system with oil pump again, then flow in reduction oil gun 42, the reduction oil gun 42 that is inserted and be immersed in molten bath slag blanket by slag cleaning furnace 43 tops flows in slag cleaning furnace 43, martial ethiops in electric reduction furnace slag, wherein by the conveying oil mass of DCS default reduction oil gun 42, when tubing system needs pipeline maintenance, oil booster pump (22,25,28) forms pipeline loop by vacuum breaker (23,26,29) and stopping valve 30 makes filter dehydration sewer oil return to filter dehydration trench oil depot 20, when reduction oil gun 42 is stopped using, the rear employing high pressure nitrogen of shut electromagnetic valve 37 and stopping valve 35 purges by 39,44 pairs of high pressure hoses 40 of ball valve, insulation leather hose 41, reduction oil gun 42.
The beneficial effects of the utility model are: (1) this system can by collecting, the sewer oil coming filters, processed, obtains being suitable for the qualified filter dehydration sewer oil of copper pyrometallurgy; (2) this system realize to voltage stabilizing in slag cleaning furnace, continuously, flow controllably supplies sewer oil; (3) this system realizes kitchen castoff recycling and harmless treatment level, has reduced significantly copper and has smelted production cost.
Accompanying drawing explanation
Fig. 1 is the utility model slag cleaning furnace immersion winding-up restoring system workflow schematic diagram;
Fig. 2 is that the utility model is reduction oil gun 42 schematic diagram of single hose spray gun;
Fig. 3 is that the utility model is reduction oil gun 42 schematic diagram of concentric locking collar tubular type spray gun.
In figure: 1-trench oil depot, 2, 4, 5, 7, 9, 11, 13, 14, 16, 18, 21, 24, 27, 31, 33, 34, 35, 36, 38, 45, 46, 48, 49-stopping valve, 3, 12-strainer, 6, 15-water-and-oil separator, 8, 17-water relief outlet, 10, 19-filtrate relief outlet, 20-filter dehydration trench oil depot, 22, 25, 28-oil booster pump, 23, 26, 29-vacuum breaker, 30, 39, 44-ball valve, 32-under meter, 37-magnetic valve, 40-high pressure hose, the 41-leather hose that insulate, 42-reduces oil gun, 43-slag cleaning furnace, 47-pressure controlled valve, 52-rifle head, 51-barral of a gun, 50-rifle end linkage section, 53-pressure release valve, 54-high pressure nitrogen entrance, 55-filter dehydration sewer oil entrance.
Embodiment
Below in conjunction with accompanying drawing 1,2,3 and embodiment, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, this slag cleaning furnace immersion winding-up restoring system, comprise trench oil depot 1, filtration and dewatering unit, filter dehydration trench oil depot 20, tubing system, reduction oil gun 42 and slag cleaning furnace 43, wherein filtration and dewatering unit comprise strainer (3,12) and water-and-oil separator (6,15), tubing system comprises oil booster pump (22, 25, 28), under meter 32, magnetic valve 37, vacuum breaker (23, 26, 29), ball valve (30, 39, 44) with pressure controlled valve 47, trench oil depot 1 is by stopping valve and strainer (3, 12) import is connected, strainer (3, 12) outlet is respectively by stopping valve and water-and-oil separator (6, 15) import is connected, water-and-oil separator (6, 15) outlet is connected with the import of filter dehydration trench oil depot 20, and the outlet of filter dehydration trench oil depot 20 is respectively by stopping valve and oil booster pump (22, 25, 28) connect oil booster pump (22, 25, 28) by stopping valve, be connected filter dehydration trench oil depot 20, oil booster pump (22 with pressure controlled valve 47 loops, 25, 28) respectively by vacuum breaker (23, 26, 29) be connected with under meter 32, under meter 32 is connected with magnetic valve 37 by stopping valve, and magnetic valve 37 is successively by stopping valve 38, ball valve 39, high pressure hose 40, insulation leather hose 41 is connected with reduction oil gun 42, and reduction oil gun 42 is placed in slag cleaning furnace 43 and is immersed in molten bath slag blanket, wherein said strainer (3, 12) above by stopping valve, be respectively equipped with filtrate relief outlet (10, 19), water-and-oil separator (6,15) is upper is respectively equipped with water relief outlet (8,17) by stopping valve, and under meter 32 is provided with stopping valve 34 by stopping valve 33 connecting pipeline upper ends and forms pipeline loop, stopping valve 36, magnetic valve 37, stopping valve 38 connecting pipeline upper ends are provided with stopping valve 35 and form pipeline loop.
As shown in Figure 2, reduction oil gun 42 comprises rifle head 52, barral of a gun 51 and rifle end linkage section 50, and adopting is threaded forms; It is the high temperature resistance protective layer of 10mm that reduction oil gun 42 rifle head skins have thickness; Reduction oil gun 42 is single hose spray gun; The reductive agent of this slag cleaning furnace immersion winding-up restoring system is filter dehydration sewer oil.
Embodiment 2
As shown in Figure 1, this slag cleaning furnace immersion winding-up restoring system, comprise trench oil depot 1, filtration and dewatering unit, filter dehydration trench oil depot 20, tubing system, reduction oil gun 42 and slag cleaning furnace 43, wherein filtration and dewatering unit comprise strainer (3,12) and water-and-oil separator (6,15), tubing system comprises oil booster pump (22, 25, 28), under meter 32, magnetic valve 37, vacuum breaker (23, 26, 29), ball valve (30, 39, 44) with pressure controlled valve 47, trench oil depot 1 is by stopping valve and strainer (3, 12) import is connected, strainer (3, 12) outlet is respectively by stopping valve and water-and-oil separator (6, 15) import is connected, water-and-oil separator (6, 15) outlet is connected with the import of filter dehydration trench oil depot 20, and the outlet of filter dehydration trench oil depot 20 is respectively by stopping valve and oil booster pump (22, 25, 28) connect oil booster pump (22, 25, 28) by stopping valve, be connected filter dehydration trench oil depot 20, oil booster pump (22 with pressure controlled valve 47 loops, 25, 28) respectively by vacuum breaker (23, 26, 29) be connected with under meter 32, under meter 32 is connected with magnetic valve 37 by stopping valve, and magnetic valve 37 is successively by stopping valve 38, ball valve 39, high pressure hose 40, insulation leather hose 41 is connected with reduction oil gun 42, and reduction oil gun 42 is placed in slag cleaning furnace 43 and is immersed in molten bath slag blanket, wherein said strainer (3, 12) above by stopping valve, be respectively equipped with filtrate relief outlet (10, 19), water-and-oil separator (6,15) is upper is respectively equipped with water relief outlet (8,17) by stopping valve, and under meter 32 is provided with stopping valve 34 by stopping valve 33 connecting pipeline upper ends and forms pipeline loop, stopping valve 36, magnetic valve 37, stopping valve 38 connecting pipeline upper ends are provided with stopping valve 35 and form pipeline loop.
As shown in Figure 3, reduction oil gun 42 comprises rifle head 52, barral of a gun 51 and rifle end linkage section 50, and adopting is threaded forms; It is the high temperature resistance protective layer of 40mm that reduction oil gun 42 rifle head skins have thickness; Reduction oil gun 42 is concentric locking collar tubular type spray gun; The reductive agent of this slag cleaning furnace immersion winding-up restoring system is the gas-oil mixture that filter dehydration sewer oil and high pressure nitrogen form.
Embodiment 3
As shown in Figure 1, this slag cleaning furnace immersion winding-up restoring system, comprise trench oil depot 1, filtration and dewatering unit, filter dehydration trench oil depot 20, tubing system, reduction oil gun 42 and slag cleaning furnace 43, wherein filtration and dewatering unit comprise strainer (3,12) and water-and-oil separator (6,15), tubing system comprises oil booster pump (22, 25, 28), under meter 32, magnetic valve 37, vacuum breaker (23, 26, 29), ball valve (30, 39, 44) with pressure controlled valve 47, trench oil depot 1 is by stopping valve and strainer (3, 12) import is connected, strainer (3, 12) outlet is respectively by stopping valve and water-and-oil separator (6, 15) import is connected, water-and-oil separator (6, 15) outlet is connected with the import of filter dehydration trench oil depot 20, and the outlet of filter dehydration trench oil depot 20 is respectively by stopping valve and oil booster pump (22, 25, 28) connect oil booster pump (22, 25, 28) by stopping valve, be connected filter dehydration trench oil depot 20, oil booster pump (22 with pressure controlled valve 47 loops, 25, 28) respectively by vacuum breaker (23, 26, 29) be connected with under meter 32, under meter 32 is connected with magnetic valve 37 by stopping valve, and magnetic valve 37 is successively by stopping valve 38, ball valve 39, high pressure hose 40, insulation leather hose 41 is connected with reduction oil gun 42, and reduction oil gun 42 is placed in slag cleaning furnace 43 and is immersed in molten bath slag blanket, wherein said strainer (3, 12) above by stopping valve, be respectively equipped with filtrate relief outlet (10, 19), water-and-oil separator (6,15) is upper is respectively equipped with water relief outlet (8,17) by stopping valve, and under meter 32 is provided with stopping valve 34 by stopping valve 33 connecting pipeline upper ends and forms pipeline loop, stopping valve 36, magnetic valve 37, stopping valve 38 connecting pipeline upper ends are provided with stopping valve 35 and form pipeline loop.
As shown in Figure 3, to have thickness be the high temperature resistance protective layer of 30mm to reduction oil gun 42 rifle head skins; Reduction oil gun 42 is concentric locking collar tubular type spray gun; The reductive agent of this slag cleaning furnace immersion winding-up restoring system is the gas-oil mixture that filter dehydration sewer oil and high pressure nitrogen form.
Claims (6)
1. slag cleaning furnace immersion winding-up restoring system, it is characterized in that: comprise trench oil depot (1), filtration and dewatering unit, filter dehydration trench oil depot (20), tubing system, reduction oil gun (42) and slag cleaning furnace (43), wherein filtration and dewatering unit comprise strainer and water-and-oil separator, tubing system comprises oil booster pump, under meter (32), magnetic valve (37), vacuum breaker, ball valve and pressure controlled valve (47), trench oil depot (1) is connected with the import of strainer by stopping valve, the outlet of strainer is connected with the import of water-and-oil separator by stopping valve, the outlet of water-and-oil separator is connected with the import of filter dehydration trench oil depot (20), the outlet of filter dehydration trench oil depot (20) is connected with oil booster pump by stopping valve, oil booster pump is connected filter dehydration trench oil depot (20) by stopping valve with pressure controlled valve (47) loop, oil booster pump is connected with under meter (32) by vacuum breaker, under meter (32) is connected with magnetic valve (37) by stopping valve, magnetic valve (37) is successively by stopping valve (38), ball valve (39), high pressure hose (40), insulation leather hose (41) is connected with reduction oil gun (42), reduction oil gun (42) is placed in slag cleaning furnace (43) and is immersed in molten bath slag blanket.
2. slag cleaning furnace immersion winding-up restoring system according to claim 1, is characterized in that: on described strainer, by stopping valve, be provided with filtrate relief outlet; On water-and-oil separator, by stopping valve, be provided with water relief outlet.
3. slag cleaning furnace immersion winding-up restoring system according to claim 1, is characterized in that: described under meter (32) is provided with stopping valve (34) by stopping valve (33) connecting pipeline upper end and forms pipeline loop; Stopping valve (36), magnetic valve (37), stopping valve (38) connecting pipeline upper end are provided with stopping valve (35) and form pipeline loop.
4. slag cleaning furnace immersion winding-up restoring system according to claim 1, is characterized in that: described reduction oil gun (42) comprises rifle head (52), barral of a gun (51) and rifle end linkage section (50), and adopting is threaded forms.
5. slag cleaning furnace immersion winding-up restoring system according to claim 1, is characterized in that: it is the high temperature resistance protective layer of 10～40mm that described reduction oil gun (42) rifle head skin has thickness.
6. slag cleaning furnace immersion winding-up restoring system according to claim 1, is characterized in that: described reduction oil gun (42) is single hose spray gun or concentric locking collar tubular type spray gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491668.1U CN203429234U (en) | 2013-08-13 | 2013-08-13 | Immersed blowing reduction system of depletion electric furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491668.1U CN203429234U (en) | 2013-08-13 | 2013-08-13 | Immersed blowing reduction system of depletion electric furnace |
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|---|---|
| CN203429234U true CN203429234U (en) | 2014-02-12 |
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| CN201320491668.1U Expired - Fee Related CN203429234U (en) | 2013-08-13 | 2013-08-13 | Immersed blowing reduction system of depletion electric furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455193A (en) * | 2020-04-10 | 2020-07-28 | 云南铜业股份有限公司西南铜业分公司 | Magnetic iron reduction method for electric dilution furnace |
-
2013
- 2013-08-13 CN CN201320491668.1U patent/CN203429234U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455193A (en) * | 2020-04-10 | 2020-07-28 | 云南铜业股份有限公司西南铜业分公司 | Magnetic iron reduction method for electric dilution furnace |
| CN111455193B (en) * | 2020-04-10 | 2022-08-05 | 云南铜业股份有限公司西南铜业分公司 | Magnetic iron reduction method for electric dilution furnace |
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Granted publication date: 20140212 Termination date: 20140813 |
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