CN204685646U - The treating apparatus of aluminium electroloysis waste lining - Google Patents
The treating apparatus of aluminium electroloysis waste lining Download PDFInfo
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- CN204685646U CN204685646U CN201520333528.0U CN201520333528U CN204685646U CN 204685646 U CN204685646 U CN 204685646U CN 201520333528 U CN201520333528 U CN 201520333528U CN 204685646 U CN204685646 U CN 204685646U
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- discharging opening
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Abstract
A treating apparatus for aluminium electroloysis waste lining, its structure is as follows: the discharging opening of Cinder crusher (1) is connected with the feeding end of useless impervious material and useless insulation material treating apparatus (2), waste and old cathode carbon block treating apparatus (3) and useless refractory brick treating apparatus (4) respectively by useless impervious material and useless insulation material conveyer belt (5), waste and old cathode carbon block conveyer chain (6), useless refractory brick conveyer belt (7).The utility model achieves, resource innoxious to aluminium electroloysis waste lining, minimizing process, and technological process is practical reliable, and equipment energy consumption is low, does not produce secondary pollution, and the valuable material rate of recovery is high, reaches the object of energy-saving and emission-reduction.
Description
Technical field
The utility model relates to a kind for the treatment of apparatus of aluminium electroloysis industry discarded object, and particularly relate to innoxious, resource, the minimizing disposed of in its entirety device of aluminium electroloysis waste lining, it belongs to technical field of aluminum electrolysis.
Background technology
In Aluminum Electrolysis Production process except giving off a large amount of greenhouse gases, also give off environmentally harmful solid waste---waste lining, carries out harmless treatment to waste lining solid waste and fully utilizes the technical problem having become aluminum electrolysis industry common concern.Be maximum with waste cathode carbon number of blocks accounting in electrolytic cell waste lining, account for 37% ~ 40% of waste lining.Waste cathode carbon block belongs to hazardous waste, its refuse classification HW48, is transporting, stores, processes or is storing up in process, if mismanagement, its harmful toxic matter will shift, and enter air, infiltrate in soil and groundwater, can ecological environment be destroyed, have a strong impact on human health and animal and plant growth.The more difficult strick precaution of precipitation of gas cyaniding thing (HCN), moment harm humans life security.
The processing method of prior art is recovered as master with pyrogenic process harmless treatment and wet flotation, the research of China to waste cathode carbon block is started late, investigative technique mainly pyrogenic process harmless treatment, floatation and wet method integrated treatment, this several method because processing cost is higher, economic benefit is not obvious, so be all in the little experimental stage.Current domestic use is landfill method more widely, although this method processing cost is lower, produces long-range impact by soil environment and groundwater environment, and this has become the technical problem that those skilled in the art are badly in need of solving.
Current pyrogenic process harmless treatment, generate by fluoride under high temperature and calcium oxide reaction the harmless treatment that the calcirm-fluoride of environmental sound come waste lining, but can not effectively reclaim in waste cathode carbon block have the composition of economic worth and processing cost is high, process after produce mixture economic worth low.
Domestic each R&D institution and producer more favor in flotation and wet method integrated treatment, mainly contain floatation and flotation-acid-hatching of young eggs, and wherein in method for floating, flotation waste water is fluorine-containing needs post-processed; Flotation-acidleach method needs to add a large amount of acid solution, and the hydrofluoric acid of generation and cyanic acid existence produce the problems such as harm to equipment and personnel, and processing cost is also higher.
Summary of the invention
The utility model is exactly to solve the problems of the technologies described above, and the treating apparatus of a kind of aluminium electroloysis waste lining provided, it has innoxious, resource, minimizing disposed of in its entirety device, it is practical reliable, equipment energy consumption is low, do not produce secondary pollution, the valuable material rate of recovery is high, reaches the object of energy-saving and emission-reduction.
For overcoming the above problems, concrete technical scheme of the present utility model is as follows:
A treating apparatus for aluminium electroloysis waste lining, its structure is as follows: the discharging opening of Cinder crusher is connected with the feeding end of useless impervious material and useless insulation material treating apparatus, waste and old cathode carbon block treating apparatus and useless refractory brick treating apparatus respectively by useless impervious material and useless insulation material conveyer belt, waste and old cathode carbon block conveyer chain, useless refractory brick conveyer belt.
The discharge end of above-mentioned useless impervious material and useless insulation material conveyer belt is connected with the feeding end of useless impervious material and useless insulation material treating apparatus, the discharge end of waste and old cathode carbon block conveyer chain is connected with the feeding end of waste and old cathode carbon block treating apparatus, and the discharge end of useless refractory brick conveyer belt is connected with the feeding end of waste and old cathode carbon block treating apparatus and useless refractory brick treating apparatus.
Above-mentioned useless impervious material and useless insulation material treating apparatus, its structure is as follows: the first disintegrating machine that feeding mouth is connected with useless impervious material and useless insulation material conveyer belt discharge end, first discharge hole of crusher is connected with the first bucket lifting machine inlet capable, first lime warehouse discharging opening is connected with the first batcher charging aperture, first batcher discharging opening is connected with the first bucket lifting machine inlet capable, and the first bucket elevator discharging opening and first solidifies warehouse import and is connected.
Above-mentioned first disintegrating machine is jaw crusher, and the first batcher is electro-vibrating feeder.
Above-mentioned waste and old cathode carbon block treating apparatus, its structure is as follows: feeding mouth and waste and old cathode carbon block conveyer chain, the second disintegrating machine that useless refractory brick conveyer belt discharge end connects, the discharge end of the second disintegrating machine is connected with the feeding end of dry-type magnetic extractor, the discharge end of dry-type magnetic extractor is connected with the solid material inlet of wet type milling equipment, the discharging opening of wet type milling equipment is connected with the feeding mouth of blending tank, the discharging opening of blending tank is connected with the feeding mouth of flotation device, the discharging opening of flotation device is connected with the feeding mouth of alkali immersion trough, the discharging opening of alkali immersion trough is connected with the feeding mouth of filter, the liquid outlet of filter is connected with bosh, the liquid outlet of bosh is connected with the liquid inlet of wet type milling equipment and alkali immersion trough respectively.
Above-mentioned dry-type magnetic extractor is dry type high-intensity magnetic field disk-type magnetic separator; Wet type milling equipment is wet ball mill or wet rod mill; Second disintegrating machine is impact breaker.
Also sedimentation basin is provided with between above-mentioned filter and bosh.
Above-mentioned useless refractory brick treating apparatus, its structure is as follows: the 3rd disintegrating machine that feeding mouth is connected with useless refractory brick conveyer belt discharge end, the discharging opening of the 3rd disintegrating machine is connected with the second bucket lifting machine inlet capable, second lime warehouse discharging opening is connected with the second batcher charging aperture, second batcher discharging opening is connected with the second bucket lifting machine inlet capable, and the second bucket elevator discharging opening and second solidifies warehouse import and is connected.
The 3rd above-mentioned disintegrating machine is impact breaker, and the second batcher is electro-vibrating feeder.
Owing to adopting technique scheme, tool of the present invention is had the following advantages and effect:
The feeding end by Cinder crusher and conveyer belt and carrier chain aluminium electroloysis waste lining being transported to useless impervious material and useless insulation material treating apparatus, waste and old cathode carbon block treating apparatus and useless refractory brick treating apparatus is processed, so just achieve classification in useless impervious material and useless insulation material, waste and old cathode carbon block, useless refractory brick cleaning, after classification, carry out targeted material handling by respective equipment.More specifically: useless Impervious Materials and insulation material to be transported to after solidification warehouse mixes with lime through bucket elevator through fragmentation and to generate CaF
2, after process, material percolate is containing F
-concentration is lower than national requirements limit value, and the material after process can carry out landfill or as uses such as Concrete brick, refractory raw material, paveio(u)r, general solid wastes at waste lining landfill yard; Waste and old cathode carbon block joins in disintegrating machine and carries out coarse crushing, be crushed to below 5mm, material after coarse crushing enters into wet type milling equipment after dry-type magnetic extractor magnetic separation, in wet type milling equipment, add NaOH carry out abrasive dust, waste cathode carbon block slip through abrasive dust process enters into blending tank, add alkali lye in blending tank and carry out mix and blend, utilize NaOH aqueous slkali to dissolve the Na that in waste and old cathode powdered carbon, content is higher
3alF and Al
2o
3, thus improve the content of C, for the cyanide Na of trace soluble
4fe (CN)
6, can hydrolysis be there is in NaOH aqueous slkali; Mixed slurry enters in flotation device and carries out flotation, obtains floating product carbon dust, after testing phosphorus content 93-94%.Electrolyte solution after flotation enters in alkali immersion trough, adds NaOH solution and carries out alkali leaching, and the solution after alkali leaching adds Ca (OH)
2after solution, material enters in filter and filters, and the sediment after filtration is the calcirm-fluoride of purity 96% after testing.Filtrate after filtration enters precipitation in sedimentation basin, then after bosh cooling, is transported in wet type milling equipment and in alkali immersion trough respectively, realize limit edging alkali leaching, alkali lye recycles, and improves the utilization ratio of material, reduce processing cost, decrease the discharge capacity of pollutant.As calculated, the rate of recovery of carbon is 95-96%, and the rate of recovery of fluorine is 84-86%.The useless refractory brick pulled down, reusing of structural integrity, can not reuse after admixture lime, solidification warehouse in generate CaF
2, after process, material percolate is containing F
-concentration is lower than national requirements limit value, and the material after process can carry out landfill or as uses such as Concrete brick, refractory raw material, paveio(u)r, general solid wastes at waste lining landfill yard.Also waste and old cathode carbon block treating apparatus can be adopted to process, do not need separately to purchase equipment.
The utility model achieves, resource innoxious to aluminium electroloysis waste lining, minimizing process, and technological process is practical reliable, and equipment energy consumption is low, does not produce secondary pollution, and the valuable material rate of recovery is high, reaches the object of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is the structural representation of the treating apparatus of the utility model aluminium electroloysis waste lining.
Fig. 2 is the structural representation of useless impervious material and useless insulation material treating apparatus in Fig. 1.
Fig. 3 is the structural representation of waste and old cathode carbon block treating apparatus in Fig. 1.
Fig. 4 is the structural representation of useless refractory brick treating apparatus in Fig. 1.
In figure, 1, Cinder crusher, 2, useless impervious material and useless insulation material treating apparatus, 3, waste and old cathode carbon block treating apparatus, 4, useless refractory brick treating apparatus, 5, useless impervious material and useless insulation material conveyer belt, 6, waste and old cathode carbon block conveyer chain, 7, useless refractory brick conveyer belt, 201, first disintegrating machine, 202, first batcher, 203, first bucket elevator, 204, first solidification warehouse, 205, first lime warehouse, 301, disintegrating machine, 302, dry-type magnetic extractor, 303, wet type milling equipment, 304, blending tank, 305, flotation device, 306, alkali immersion trough, 307, filter, 308, sedimentation basin, 309, bosh, 401, 3rd disintegrating machine, 402, second batcher, 403, second bucket elevator, 404, second solidification warehouse, 405, second lime warehouse.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is just in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the treating apparatus of a kind of aluminium electroloysis waste lining of the utility model, its structure is as follows: the discharging opening of Cinder crusher 1 is connected with the feeding end of useless impervious material and useless insulation material treating apparatus 2, waste and old cathode carbon block treating apparatus 3 and useless refractory brick treating apparatus 4 respectively by useless impervious material and useless insulation material conveyer belt 5, waste and old cathode carbon block conveyer chain 6, useless refractory brick conveyer belt 7, achieve classification in useless impervious material and useless insulation material, waste and old cathode carbon block, useless refractory brick cleaning, so that the targeted material handling of follow-up equipment; Wherein the discharge end of useless impervious material and useless insulation material conveyer belt 5 is connected with the feeding end of useless impervious material and useless insulation material treating apparatus 2, the discharge end of waste and old cathode carbon block conveyer chain 6 is connected with the feeding end of waste and old cathode carbon block treating apparatus 3, and the discharge end of useless refractory brick conveyer belt 7 is connected with the feeding end of waste and old cathode carbon block treating apparatus 3 and useless refractory brick treating apparatus 4.
As shown in Figure 2, the structure of above-mentioned useless impervious material and useless insulation material treating apparatus is as follows: the first disintegrating machine 201 that feeding mouth is connected with useless impervious material and useless insulation material conveyer belt 5 discharge end, first disintegrating machine 201 discharging opening is connected with the charging aperture of the first bucket elevator 203, first lime warehouse 205 discharging opening is connected with the first batcher 202 material mouth, first batcher 202 discharging opening is connected with the first bucket elevator 203 material mouth, and the first bucket elevator 203 discharging opening and first solidifies warehouse 204 import and is connected.Wherein first disintegrating machine 201 the best is jaw crusher, and first batcher 202 the best is electro-vibrating feeder.
As shown in Figure 3, the structure of above-mentioned waste and old cathode carbon block treating apparatus is as follows: feeding mouth and waste and old cathode carbon block conveyer chain 6, the second disintegrating machine 301 that useless refractory brick conveyer belt 7 discharge end connects, the discharge end of the second disintegrating machine 301 is connected with the feeding end of dry-type magnetic extractor 302, the discharge end of dry-type magnetic extractor 302 is connected with the solid material inlet of wet type milling equipment 303, the discharging opening of wet type milling equipment 303 is connected with the feeding mouth of blending tank 304, the discharging opening of blending tank 304 is connected with the feeding mouth of flotation device 305, the discharging opening of flotation device 305 is connected with the feeding mouth of alkali immersion trough 306, the discharging opening of alkali immersion trough 306 is connected with the feeding mouth of filter 307, the liquid outlet of filter 307 is connected with sedimentation basin 308, the liquid outlet of sedimentation basin 308 is connected with bosh 309, the liquid outlet of bosh 309 is connected with the liquid inlet of wet type milling equipment 303 and alkali immersion trough 306 respectively.Wherein dry-type magnetic extractor 302 is dry type high-intensity magnetic field disk-type magnetic separator; Wet type milling equipment 303 is wet ball mill or wet rod mill; Second disintegrating machine 301 is impact breaker.
As shown in Figure 4, the structure of above-mentioned useless refractory brick treating apparatus is as follows: the 3rd disintegrating machine 401 that feeding mouth is connected with useless refractory brick conveyer belt 7 discharge end, the discharging opening of the 3rd disintegrating machine 401 is connected with the second bucket elevator 403 charging aperture, second lime warehouse 405 discharging opening is connected with the second batcher 402 charging aperture, second batcher 402 discharging opening is connected with the second bucket elevator 403 charging aperture, and the second bucket elevator 403 discharging opening and second solidifies warehouse 404 import and is connected.Wherein the 3rd disintegrating machine 401 is impact breaker, and the second batcher 402 is electro-vibrating feeder.
Claims (9)
1. a treating apparatus for aluminium electroloysis waste lining, is characterized in that structure is as follows: the discharging opening of Cinder crusher (1) is connected with the feeding end of useless impervious material and useless insulation material treating apparatus (2), waste and old cathode carbon block treating apparatus (3) and useless refractory brick treating apparatus (4) respectively by useless impervious material and useless insulation material conveyer belt (5), waste and old cathode carbon block conveyer chain (6), useless refractory brick conveyer belt (7).
2. the treating apparatus of a kind of aluminium electroloysis waste lining according to claim 1, it is characterized in that the discharge end of described useless impervious material and useless insulation material conveyer belt (5) is connected with the feeding end of useless impervious material and useless insulation material treating apparatus (2), the discharge end of waste and old cathode carbon block conveyer chain (6) is connected with the feeding end of waste and old cathode carbon block treating apparatus (3), and the discharge end of useless refractory brick conveyer belt (7) is connected with the feeding end of waste and old cathode carbon block treating apparatus (3) and useless refractory brick treating apparatus (4).
3. the treating apparatus of a kind of aluminium electroloysis waste lining according to claim 1 and 2, it is characterized in that the structure of described useless impervious material and useless insulation material treating apparatus is as follows: the first disintegrating machine (201) that feeding mouth is connected with useless impervious material and useless insulation material conveyer belt (5) discharge end, first disintegrating machine (201) discharging opening is connected with the charging aperture of the first bucket elevator (203), first lime warehouse (205) discharging opening is connected with the first batcher (202) charging aperture, first batcher (202) discharging opening is connected with the first bucket elevator (203) charging aperture, first bucket elevator (203) discharging opening and first solidifies warehouse (204) import and is connected.
4. the treating apparatus of a kind of aluminium electroloysis waste lining according to claim 3, it is characterized in that described the first disintegrating machine (201) is jaw crusher, the first batcher (202) is electro-vibrating feeder.
5. the treating apparatus of a kind of aluminium electroloysis waste lining according to claim 1 and 2, it is characterized in that the structure of described waste and old cathode carbon block treating apparatus is as follows: feeding mouth and waste and old cathode carbon block conveyer chain (6), the second disintegrating machine (301) that useless refractory brick conveyer belt (7) discharge end connects, the discharge end of the second disintegrating machine (301) is connected with the feeding end of dry-type magnetic extractor (302), the discharge end of dry-type magnetic extractor (302) is connected with the solid material inlet of wet type milling equipment (303), the discharging opening of wet type milling equipment (303) is connected with the feeding mouth of blending tank (304), the discharging opening of blending tank (304) is connected with the feeding mouth of flotation device (305), the discharging opening of flotation device (305) is connected with the feeding mouth of alkali immersion trough (306), the discharging opening of alkali immersion trough (306) is connected with the feeding mouth of filter (307), the liquid outlet of filter (307) is connected with bosh (309), the liquid outlet of bosh (309) is connected with the liquid inlet of wet type milling equipment (303) and alkali immersion trough (306) respectively.
6. the treating apparatus of a kind of aluminium electroloysis waste lining according to claim 5, is characterized in that described dry-type magnetic extractor (302) is for dry type high-intensity magnetic field disk-type magnetic separator; Wet type milling equipment (303) is wet ball mill or wet rod mill; Second disintegrating machine (301) is impact breaker.
7. the treating apparatus of a kind of aluminium electroloysis waste lining according to claim 5, is characterized in that also being provided with sedimentation basin (308) between described filter (307) and bosh (309).
8. the treating apparatus of a kind of aluminium electroloysis waste lining according to claim 1 and 2, it is characterized in that the structure of described useless refractory brick treating apparatus is as follows: the 3rd disintegrating machine (401) that feeding mouth is connected with useless refractory brick conveyer belt (7) discharge end, the discharging opening of the 3rd disintegrating machine (401) is connected with the second bucket elevator (403) charging aperture, second lime warehouse (405) discharging opening is connected with the second batcher (402) charging aperture, second batcher (402) discharging opening is connected with the second bucket elevator (403) charging aperture, second bucket elevator (403) discharging opening and second solidifies warehouse (404) import and is connected.
9. the treating apparatus of a kind of aluminium electroloysis waste lining according to claim 8, it is characterized in that the 3rd described disintegrating machine (401) is impact breaker, the second batcher (402) is electro-vibrating feeder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520333528.0U CN204685646U (en) | 2015-05-22 | 2015-05-22 | The treating apparatus of aluminium electroloysis waste lining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520333528.0U CN204685646U (en) | 2015-05-22 | 2015-05-22 | The treating apparatus of aluminium electroloysis waste lining |
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| CN204685646U true CN204685646U (en) | 2015-10-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344697A (en) * | 2015-11-25 | 2016-02-24 | 北京森泉伟业科技有限公司 | Innocent treatment device and process for scrap materials disassembled from aluminum electrolytic cells |
| CN105821445A (en) * | 2016-05-27 | 2016-08-03 | 中南大学 | Method for recycling carbon and electrolytes from waste cathode carbon block of aluminum electrolytic cell |
| CN108926977A (en) * | 2018-09-17 | 2018-12-04 | 云南云铝润鑫铝业有限公司 | A kind of pre- leaching system of aluminium electroloysis waste lining |
| CN109133028A (en) * | 2018-08-14 | 2019-01-04 | 北京清新环境技术股份有限公司 | A method of electrolytic cell waste cathode carbon block recycling is disposed with alkaline process |
-
2015
- 2015-05-22 CN CN201520333528.0U patent/CN204685646U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344697A (en) * | 2015-11-25 | 2016-02-24 | 北京森泉伟业科技有限公司 | Innocent treatment device and process for scrap materials disassembled from aluminum electrolytic cells |
| CN105344697B (en) * | 2015-11-25 | 2017-06-16 | 北京森泉伟业科技有限公司 | A kind of aluminium cell disassembles the harmless treatment device and technique of waste material |
| CN105821445A (en) * | 2016-05-27 | 2016-08-03 | 中南大学 | Method for recycling carbon and electrolytes from waste cathode carbon block of aluminum electrolytic cell |
| CN109133028A (en) * | 2018-08-14 | 2019-01-04 | 北京清新环境技术股份有限公司 | A method of electrolytic cell waste cathode carbon block recycling is disposed with alkaline process |
| CN108926977A (en) * | 2018-09-17 | 2018-12-04 | 云南云铝润鑫铝业有限公司 | A kind of pre- leaching system of aluminium electroloysis waste lining |
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| 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: 20151007 Termination date: 20200522 |
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| CF01 | Termination of patent right due to non-payment of annual fee |