CN204685645U - The treating apparatus of waste cathode carbon block - Google Patents
The treating apparatus of waste cathode carbon block Download PDFInfo
- Publication number
- CN204685645U CN204685645U CN201520333430.5U CN201520333430U CN204685645U CN 204685645 U CN204685645 U CN 204685645U CN 201520333430 U CN201520333430 U CN 201520333430U CN 204685645 U CN204685645 U CN 204685645U
- Authority
- CN
- China
- Prior art keywords
- carbon block
- cathode carbon
- discharging opening
- waste cathode
- feeding mouth
- 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
- 239000002699 waste material Substances 0.000 title claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 26
- 239000003513 alkali Substances 0.000 claims abstract description 27
- 238000003801 milling Methods 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 238000005188 flotation Methods 0.000 claims abstract description 20
- 238000007654 immersion Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000011343 solid material Substances 0.000 claims abstract description 5
- 238000004062 sedimentation Methods 0.000 claims description 7
- 239000006148 magnetic separator Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 abstract description 6
- 239000004411 aluminium Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 8
- 239000000428 dust Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000002386 leaching Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001698 pyrogenic effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000006246 high-intensity magnetic separator Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses a kind for the treatment of apparatus of aluminium electrolytic tank, particularly relate to a kind for the treatment of apparatus of waste cathode carbon block.The treating apparatus of waste cathode carbon block, the discharge end of 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.The treating apparatus processing cost of the utility model waste cathode carbon block is low, treatment effeciency is high, and material after treatment can utilize again, and utilization of materials used 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 electrolytic tank, particularly relates to a kind for the treatment of apparatus of waste cathode carbon block, 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.
Processing method traditional at present based on pyrogenic process harmless treatment and flotation hydrometallurgic recovery, pyrogenic process harmless treatment, floatation and wet method comprehensive treatment mode, this several method because processing cost is higher, economic benefit is not obvious, so be all in the little experimental stage.It is landfill method more widely that current China uses, 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.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 cathode carbon block, but this kind of processing method can not reclaim the composition having economic worth in waste cathode carbon block effectively, and processing cost is high, the mixture economic worth produced after process is 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 in order to solve the problems of the technologies described above, and providing a kind for the treatment of apparatus of waste cathode carbon block, it has, and processing cost is low, treatment effeciency is high, does not produce secondary pollution, material economic worth is after treatment high, can again be utilized, and reaches the object of energy-saving and emission-reduction.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The treating apparatus of waste cathode carbon block, its structure is as follows: the discharge end of 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.
Above-mentioned wet type milling equipment is wet ball mill or wet rod mill.
Above-mentioned disintegrating machine is gyratory crusher or jaw crusher or impact breaker.
Also sedimentation basin is provided with between above-mentioned filter and bosh.
Owing to adopting technique scheme, tool of the present invention is had the following advantages and effect:
The treating apparatus long service life of the utility model waste cathode carbon block, to staff's fanout free region.Its processing cost is low, treatment effeciency is high, does not produce secondary pollution, and material economic worth is after treatment high, can again be utilized, energy-conserving and environment-protective, is beneficial to popularization.Filtrate after liquid material after alkali leaching is filtered, then to be transported in wet type milling equipment and alkali immersion trough for abrasive dust and alkali leaching after treatment, improve the utilization ratio of material, reduce processing cost, greatly reduce the discharge capacity of pollutant.
Accompanying drawing explanation
Fig. 1 is the structural representation of the treating apparatus of the utility model waste cathode carbon block.
In figure, 1, disintegrating machine, 2, dry-type magnetic extractor, 3, wet type milling equipment, 4, blending tank, 5, flotation device, 6, alkali immersion trough, 7, filter, 8, sedimentation basin, 9, bosh.
Detailed description of the invention
Carry out next step below in conjunction with embodiment to the utility model to describe.Following examples are only specific embodiment of the utility model, in order to make the purpose of this utility model, technical scheme and advantage very clear, below in conjunction with drawings and Examples, are further elaborated to the utility model.
embodiment 1
As shown in Figure 1, the treating apparatus of the utility model waste cathode carbon block, its structure is as follows: the discharge end of disintegrating machine 1 is connected with the feeding end of dry-type magnetic extractor 2, the discharge end of dry-type magnetic extractor 2 is connected with the solid material inlet of wet type milling equipment 3, the discharging opening of wet type milling equipment 3 is connected with the feeding mouth of blending tank 4, the discharging opening of blending tank 4 is connected with the feeding mouth of flotation device 5, the discharging opening of flotation device 5 is connected with the feeding mouth of alkali immersion trough 6, the discharging opening of alkali immersion trough 6 is connected with the feeding mouth of filter 7, the liquid outlet of filter 7 is connected with sedimentation basin 8, the liquid outlet of sedimentation basin 8 is connected with bosh 9, the liquid outlet of bosh 9 is connected with the liquid inlet of wet type milling equipment 3 and alkali immersion trough 6 respectively.Dry-type magnetic extractor 2 is dry type high-intensity magnetic field disk-type magnetic separator; Wet type milling equipment 3 is wet ball mill; Disintegrating machine 1 is hydro cone-crusher.
embodiment 2
The treating apparatus of the utility model waste cathode carbon block, its structure is as follows: the discharge end of disintegrating machine 1 is connected with the feeding end of dry-type magnetic extractor 2, the discharge end of dry-type magnetic extractor 2 is connected with the solid material inlet of wet type milling equipment 3, the discharging opening of wet type milling equipment 3 is connected with the feeding mouth of blending tank 4, the discharging opening of blending tank 4 is connected with the feeding mouth of flotation device 5, the discharging opening of flotation device 5 is connected with the feeding mouth of alkali immersion trough 6, the discharging opening of alkali immersion trough 6 is connected with the feeding mouth of filter 7, the liquid outlet of filter 7 is connected with sedimentation basin 8, the liquid outlet of sedimentation basin 8 is connected with bosh 9, the liquid outlet of bosh 9 is connected with the liquid inlet of wet type milling equipment 3 and alkali immersion trough 6 respectively.Dry-type magnetic extractor 2 is flat carousel type high intensity magnetic separator; Wet type milling equipment 3 is wet rod mill; Disintegrating machine 1 is jaw crusher or impact breaker.
Operation principle of the present utility model is as follows: operation principle of the present utility model is as follows: be a kind of novel alkali leaching-flotation unit.First aluminium electroloysis waste lining waste cathode carbon block is joined in disintegrating machine and carry 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, mixed slurry enters in flotation device and carries out flotation, obtain flotation and produce sheet carbon dust, electrolyte solution after flotation enters in alkali immersion trough, add NaOH solution and carry out alkali leaching, Ca(OH is added) after alkali leaching
2after solution, material enters in filter and filters, and the filtrate after filtration is transported in wet type milling equipment and alkali immersion trough after treatment soaks for abrasive dust and alkali, improves the utilization ratio of material, reduces processing cost, greatly reduce the discharge capacity of pollutant.Sheet carbon dust is produced in flotation, phosphorus content 93-94%.Solution after alkali leaching adds Ca(OH)
2after solution, precipitation is carried out to the sediment produced and collects, produce the calcium fluoride powder that thing is purity 96% after testing.As calculated, the rate of recovery 95-96% of carbon, the rate of recovery 84-86% of fluorine.
Claims (5)
1. the treating apparatus of waste cathode carbon block, it is characterized in that structure is as follows: the discharge end of 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.
2. the treating apparatus of waste cathode carbon block according to claim 1, is characterized in that described dry-type magnetic extractor is dry type high-intensity magnetic field disk-type magnetic separator.
3. the treating apparatus of waste cathode carbon block according to claim 1, is characterized in that described wet type milling equipment is wet ball mill or wet rod mill.
4. the treating apparatus of waste cathode carbon block according to claim 1, is characterized in that described disintegrating machine is gyratory crusher or jaw crusher or impact breaker.
5. the treating apparatus of waste cathode carbon block according to claim 1, is characterized in that also being provided with sedimentation basin between described filter and bosh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520333430.5U CN204685645U (en) | 2015-05-22 | 2015-05-22 | The treating apparatus of waste cathode carbon block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520333430.5U CN204685645U (en) | 2015-05-22 | 2015-05-22 | The treating apparatus of waste cathode carbon block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204685645U true CN204685645U (en) | 2015-10-07 |
Family
ID=54225986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520333430.5U Expired - Fee Related CN204685645U (en) | 2015-05-22 | 2015-05-22 | The treating apparatus of waste cathode carbon block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204685645U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105926007A (en) * | 2016-05-27 | 2016-09-07 | 中南大学 | Water leaching-flotation method for recovering carbons and electrolytes from waste cathode carbon blocks in aluminum electrolysis cell |
-
2015
- 2015-05-22 CN CN201520333430.5U patent/CN204685645U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105926007A (en) * | 2016-05-27 | 2016-09-07 | 中南大学 | Water leaching-flotation method for recovering carbons and electrolytes from waste cathode carbon blocks in aluminum electrolysis cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104984984B (en) | A method and system for recycling and harmless treatment of aluminum electrolytic cell overhaul slag | |
| US10118182B2 (en) | Incineration byproduct processing and methods | |
| CN204529994U (en) | The treatment unit of waste cathode carbon block in electrolysis of aluminum waste tank lining | |
| CN112624538B (en) | Green and efficient red mud carbon dioxide carbonization dealkalization system and process | |
| CN103978017B (en) | Incineration of refuse flyash villaumite removes system and method | |
| CN105821445B (en) | A kind of method that charcoal and electrolyte are reclaimed in cathode carbon pieces from aluminum cell waste | |
| US20120298562A1 (en) | Ash processing and metals recovery systems and methods | |
| CN104925818B (en) | A process and device for producing high-purity quartz powder using quartz tailings | |
| CN114147047B (en) | Resource recovery process of fly ash washing slag | |
| CN106745016B (en) | A method for separating and enriching lithium, aluminum and silicon from fly ash | |
| CN109719118A (en) | A kind of aluminium cell solid waste recycling treatment system and method | |
| CN106424077A (en) | Method for treating fly sh by sludge | |
| CN105880264B (en) | RDF system and method for recycling, sorting, quality, and resource utilization of domestic waste | |
| CN107954410B (en) | Method for recovering electrolyte and carbon from electrolytic aluminum cathode carbon block | |
| CN204685646U (en) | The treating apparatus of aluminium electroloysis waste lining | |
| CN101298066A (en) | Floatation process for removing quartz from giobertite | |
| CN204685645U (en) | The treating apparatus of waste cathode carbon block | |
| CN114682615A (en) | Waste incineration fly ash treatment system | |
| CN103537365B (en) | The system of a kind of aluminium electrolytic cell cathode sole piece harmless treatment and technique | |
| CN111994937A (en) | Method for recovering calcium fluoride from fluorine-containing sludge | |
| CN1891841B (en) | Regenerative lead processing method and apparatus | |
| CN108383142B (en) | Method for producing alumina by recycling regenerated aluminum ash | |
| CN202131116U (en) | Equipment for producing calcium chloride containing impurity liquid by using wastewater | |
| CN209866952U (en) | Waste residue grinds soaks detoxify and degasification integrated processing system | |
| CN209872391U (en) | A kind of system that utilizes barium slag to prepare barium sulfate |
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: 20151007 Termination date: 20200522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |