CN203855625U - Evaluation test device for immersion reduction process of slag cleaning electrical furnace - Google Patents
Evaluation test device for immersion reduction process of slag cleaning electrical furnace Download PDFInfo
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- CN203855625U CN203855625U CN201420239721.3U CN201420239721U CN203855625U CN 203855625 U CN203855625 U CN 203855625U CN 201420239721 U CN201420239721 U CN 201420239721U CN 203855625 U CN203855625 U CN 203855625U
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- spray gun
- slag
- crucible
- furnace
- gas
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- 239000002893 slag Substances 0.000 title claims abstract description 43
- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- 238000007654 immersion Methods 0.000 title claims abstract description 16
- 238000011156 evaluation Methods 0.000 title claims abstract description 14
- 238000011946 reduction process Methods 0.000 title abstract 2
- 239000007921 spray Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000008569 process Effects 0.000 claims abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004817 gas chromatography Methods 0.000 claims abstract description 8
- 239000000446 fuel Substances 0.000 claims description 10
- 239000002828 fuel tank Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- GANNOFFDYMSBSZ-UHFFFAOYSA-N [AlH3].[Mg] Chemical compound [AlH3].[Mg] GANNOFFDYMSBSZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 239000010431 corundum Substances 0.000 claims description 3
- 229910052596 spinel Inorganic materials 0.000 claims description 3
- 239000011029 spinel Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 16
- 239000010949 copper Substances 0.000 abstract description 16
- 229910052802 copper Inorganic materials 0.000 abstract description 16
- 239000007789 gas Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000010790 dilution Methods 0.000 description 13
- 239000012895 dilution Substances 0.000 description 13
- 239000007788 liquid Substances 0.000 description 9
- 230000002829 reductive effect Effects 0.000 description 9
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 8
- 239000002956 ash Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- 230000009467 reduction Effects 0.000 description 6
- 238000003113 dilution method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-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
- 239000007787 solid Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003763 carbonization Methods 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
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to an evaluation test device for an immersion reduction process of a slag cleaning electrical furnace, belonging to the technical field of metallurgical equipment. The device is characterized in that a temperature control instrument is arranged on a test electrical furnace; an alundum tube is arranged in the test electrical furnace; a crucible is arranged at the bottom of the test electrical furnace; a spray gun is inserted in the middle of the top of the test electrical furnace; the bottom of the spray gun is immersed in molten slag arranged in the crucible; one end of the top of the spray gun is connected with an oil tank through an oil conveying pipe, an oil valve and an oil pump, and the other end of the top of the spray gun is connected with the gas conveying pipe; the gas conveying pipe is divided into two parts, wherein one part is connected with a nitrogen steel bottle through a gas valve II, and the other part is connected with a gas reducer steel bottle through a gas valve I; a gas collection pipe inserted in the top of the test electrical furnace and a sampler with bottom immersed in the molten slag of the crucible are arranged on two sides of the top of the test electrical furnace respectively; the gas collection pipe is connected with a gas chromatography instrument. The device can be used for effect evaluation of various reducers and analysis of a slag cleaning reaction mechanism, and is of great significance on the slag cleaning process of the copper slag electrical furnace.
Description
Technical field
The utility model relates to a kind of evaluation experimental device of slag cleaning furnace immersion reducing process, belongs to technical field of metallurgical equipment.
Background technology
In copper is smelted, the application of oxygen enrichment intensified smelting technology is more and more wider, and it certainly will make martial ethiops be enriched in copper ashes, increases slag viscosity, is unfavorable for the separation of slag in subsequent technique, copper, 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 copper pyrometallurgy technique, the method for dilution melting copper ashes 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, the reductive agent that copper ashes electric dilution is used can be divided into three major types: solid reductant, liquid reducer and gaseous reducing agent.In electric dilution slag process, generally add the solid reductants 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.Adopt diesel oil as liquid reducer, its reduction efficiency is high, under high temperature without potential safety hazard, but the diesel consumption of dilution slag per ton is in 2L left and right, thereby increases production cost; Adopt sewer oil as liquid reducer, production cost decreases, but technique is also immature.Select suitable reductive agent is very crucial in copper ashes electric dilution process, can directly affect dilution effect and production cost.
Summary of the invention
The problem and the deficiency that for above-mentioned prior art, exist, the utility model provides a kind of evaluation experimental device of slag cleaning furnace immersion winding-up reducing process.This device can be used for effect assessment and the analysis of dilution reaction mechanism of multiple reductive agent, and significant to copper ashes electric dilution technique, the utility model is achieved through the following technical solutions.
An evaluation experimental device for slag cleaning furnace immersion reducing process, comprises fuel tank 1, oil pump 2, fuel tap 3, spray gun 4, sampler 5, effuser 7, alundum tube 8, testing furnace 9, crucible 10, temperature controller 11, nitrogen cylinder 12, gaseous reducing agent steel cylinder 13, air valve I 14, air valve II 15, gas-chromatography 16, transition pipeline 17 and pneumatic tube 18, described testing furnace 9 is provided with temperature controller 11, inside is provided with alundum tube 8 and bottom is provided with crucible 10, and testing furnace 9 crown center positions are inserted with spray gun 4 and spray gun 4 bottoms are placed in the slag submergence in crucible 10, and spray gun 4 one end, top are by transition pipeline 17, fuel tap 3 is connected with fuel tank 1 with oil pump 2, the spray gun 4 top the other ends are connected with pneumatic tube 18, pneumatic tube 18 is divided into two-way, the air valve II 15 of leading up to is connected with nitrogen cylinder 12, the air valve I 14 of separately leading up to is connected with gaseous reducing agent steel cylinder 13, the both sides at testing furnace 9 tops are respectively equipped with effuser 7 and the sampler 5 of lower submerged in crucible 10 slags that inserts testing furnace 9 tops, and effuser 7 is connected with gas-chromatography 16.
Described spray gun 4 materials are corundum.
Described sampler 5 is connected with vacuum pump 6.
The material of described crucible 10 is magnesium-aluminium spinel.
This device comprise two pipelines, one is to carry liquid line, another is delivering gas pipeline, can carry out respectively the evaluation of the slag cleaning furnace immersion winding-up reducing process of liquid reducer and gaseous reducing agent.
The using method of the evaluating apparatus of liquid reducer slag cleaning furnace immersion winding-up reducing process is: open testing furnace 9 fire doors, the crucible 10 that slag is housed is put in testing furnace 9, then spray gun 4 is inserted respectively at testing furnace 9 tops, sampler 5 and effuser 7, passing through the temperature rise rate of temperature controller 11 Control experiment electric furnaces 9, be stored in liquid reducer in fuel tank 1 through being heated to 50～80 ℃, through oil pump 2, be delivered to the pipeline that fuel tap 3 is controlled, pipeline is connected with spray gun, control the fuel charge 1～5L/h of spray gun 4, it is 40～60mm that spray gun 4 inserts the slag degree of depth from testing furnace 9 tops, open nitrogen cylinder 12 and air valve II, using high pressure nitrogen as carrier, nitrogen flow is controlled at 5～40L/min, adopt top blast mode directly liquid reducer to be blown into slag, while finishing winding-up reduction, first turn off oil pump 2 and pipeline fuel tap 3, opening nitrogen pipeline purges spray gun 4, prevent that the liquid reducer carbonization in pipeline from pipeline phenomenon occurring to block, the result of the sample that can get by sampler 5 during this period and effuser 7 gases analyzed through form and aspect gas spectrum 16 is evaluated this reductive agent slag cleaning furnace immersion winding-up reducing process.
The using method of the evaluating apparatus of gaseous reducing agent slag cleaning furnace immersion winding-up reducing process is: open testing furnace 9 fire doors, the crucible 10 that slag is housed is put in testing furnace 9, then spray gun 4 is inserted respectively at testing furnace 9 tops, sampler 5 and effuser 7, it is 40～60mm that spray gun 4 inserts the slag degree of depth from testing furnace 9 tops, passing through the temperature rise rate of temperature controller 11 Control experiment electric furnaces 9, spray gun 4 is connected with gas piping, open air valve I 14 and gaseous reducing agent steel cylinder 13, the flow of controlling gaseous reducing agent is 5～30L/min, by spray gun 4, directly gaseous reducing agent is blown into slag, reductive agent fully contacts with slag, the result of the sample that can get by sampler 5 during this period and effuser 7 gases analyzed through form and aspect gas spectrum 16 is evaluated this reductive agent slag cleaning furnace immersion winding-up reducing process.
The beneficial effects of the utility model are: the utility model has been realized the effect assessment to multiple dilution copper ashes reductive agent, utilize evaluation experimental device can disclose copper ashes electric dilution reaction mechanism under different sorts reductive agent and reaction conditions simultaneously, optimize reduction technique parameter, improve the reduction efficiency of copper ashes electric dilution, reduced the production cost of slag depletion.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1-fuel tank, 2-oil pump, 3-fuel tap, 4-spray gun, 5-sampler, 6-vacuum pump, 7-effuser, 8-alundum tube, 9-testing furnace, 10-crucible, 11-temperature controller, 12-nitrogen cylinder, 13-gaseous reducing agent steel cylinder, 14-air valve I, 15-air valve II, 16-gas-chromatography, 17-transition pipeline, 18 pneumatic tubes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, the evaluation experimental device of this slag cleaning furnace immersion reducing process, comprises fuel tank 1, oil pump 2, fuel tap 3, spray gun 4, sampler 5, effuser 7, alundum tube 8, testing furnace 9, crucible 10, temperature controller 11, nitrogen cylinder 12, gaseous reducing agent steel cylinder 13, air valve I 14, air valve II 15, gas-chromatography 16, transition pipeline 17 and pneumatic tube 18, described testing furnace 9 is provided with temperature controller 11, inside is provided with alundum tube 8 and bottom is provided with crucible 10, and testing furnace 9 crown center positions are inserted with spray gun 4 and spray gun 4 bottoms are placed in the slag submergence in crucible 10, and spray gun 4 one end, top are by transition pipeline 17, fuel tap 3 is connected with fuel tank 1 with oil pump 2, the spray gun 4 top the other ends are connected with pneumatic tube 18, pneumatic tube 18 is divided into two-way, the air valve II 15 of leading up to is connected with nitrogen cylinder 12, the air valve I 14 of separately leading up to is connected with gaseous reducing agent steel cylinder 13, the both sides at testing furnace 9 tops are respectively equipped with effuser 7 and the sampler 5 of lower submerged in crucible 10 slags that inserts testing furnace 9 tops, and effuser 7 is connected with gas-chromatography 16.
Wherein spray gun 4 materials are corundum; Sampler 5 is connected with vacuum pump 6; The material of crucible 10 is magnesium-aluminium spinel.
Claims (4)
1. an evaluation experimental device for slag cleaning furnace immersion reducing process, is characterized in that: comprise fuel tank (1), oil pump (2), fuel tap (3), spray gun (4), sampler (5), effuser (7), alundum tube (8), testing furnace (9), crucible (10), temperature controller (11), nitrogen cylinder (12), gaseous reducing agent steel cylinder (13), air valve I (14), air valve II (15), gas-chromatography (16), transition pipeline (17) and pneumatic tube (18), described testing furnace (9) is provided with temperature controller (11), inside is provided with alundum tube (8) and bottom is provided with crucible (10), and testing furnace (9) crown center position is inserted with spray gun (4) and spray gun (4) bottom is placed in the slag submergence in crucible (10), and spray gun (4) one end, top is by transition pipeline (17), fuel tap (3) is connected with fuel tank (1) with oil pump (2), spray gun (4) the top the other end is connected with pneumatic tube (18), pneumatic tube (18) is divided into two-way, the air valve II (15) of leading up to is connected with nitrogen cylinder (12), the air valve I (14) of separately leading up to is connected with gaseous reducing agent steel cylinder (13), the both sides at testing furnace (9) top are respectively equipped with effuser (7) and the sampler (5) of lower submerged in crucible (10) slag that inserts testing furnace (9) top, and effuser (7) is connected with gas-chromatography (16).
2. the evaluation experimental device of slag cleaning furnace immersion reducing process according to claim 1, is characterized in that: described spray gun (4) material is corundum.
3. the evaluation experimental device of slag cleaning furnace immersion reducing process according to claim 1, is characterized in that: described sampler (5) is connected with vacuum pump (6).
4. the evaluation experimental device of slag cleaning furnace immersion reducing process according to claim 1, is characterized in that: the material of described crucible (10) is magnesium-aluminium spinel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239721.3U CN203855625U (en) | 2014-05-12 | 2014-05-12 | Evaluation test device for immersion reduction process of slag cleaning electrical furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239721.3U CN203855625U (en) | 2014-05-12 | 2014-05-12 | Evaluation test device for immersion reduction process of slag cleaning electrical furnace |
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| CN203855625U true CN203855625U (en) | 2014-10-01 |
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| CN201420239721.3U Expired - Fee Related CN203855625U (en) | 2014-05-12 | 2014-05-12 | Evaluation test device for immersion reduction process of slag cleaning electrical furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620957A (en) * | 2017-08-30 | 2018-01-23 | 昆明理工大学 | A kind of industrial furnace high-efficient atomizing combustion system and its method based on high viscosity biomass fuel |
| CN109114981A (en) * | 2018-07-12 | 2019-01-01 | 东北大学 | A kind of device and method for metallurgical process slag gold pyroreaction experimental study |
| CN109468469A (en) * | 2019-01-16 | 2019-03-15 | 杭州电子科技大学 | A kind of device and method of composite gas blowing carbon reducing and smelting copper ashes |
| CN111170764A (en) * | 2019-12-31 | 2020-05-19 | 娄底市安地亚斯电子陶瓷有限公司 | Wet hydrogen system and working method thereof |
| 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 |
-
2014
- 2014-05-12 CN CN201420239721.3U patent/CN203855625U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620957A (en) * | 2017-08-30 | 2018-01-23 | 昆明理工大学 | A kind of industrial furnace high-efficient atomizing combustion system and its method based on high viscosity biomass fuel |
| CN109114981A (en) * | 2018-07-12 | 2019-01-01 | 东北大学 | A kind of device and method for metallurgical process slag gold pyroreaction experimental study |
| CN109468469A (en) * | 2019-01-16 | 2019-03-15 | 杭州电子科技大学 | A kind of device and method of composite gas blowing carbon reducing and smelting copper ashes |
| CN111170764A (en) * | 2019-12-31 | 2020-05-19 | 娄底市安地亚斯电子陶瓷有限公司 | Wet hydrogen system and working method thereof |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20150512 |
|
| EXPY | Termination of patent right or utility model |