CN203853365U - Environmental efficient recycling device for electrolyte in aluminum electrolytic waste - Google Patents
Environmental efficient recycling device for electrolyte in aluminum electrolytic waste Download PDFInfo
- Publication number
- CN203853365U CN203853365U CN201420169082.8U CN201420169082U CN203853365U CN 203853365 U CN203853365 U CN 203853365U CN 201420169082 U CN201420169082 U CN 201420169082U CN 203853365 U CN203853365 U CN 203853365U
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- China
- Prior art keywords
- connects
- magnetic separator
- ball mill
- highly efficient
- dry kiln
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- Expired - Lifetime
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000003792 electrolyte Substances 0.000 title claims abstract description 25
- 238000004064 recycling Methods 0.000 title abstract description 8
- 230000007613 environmental effect Effects 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 81
- 238000002844 melting Methods 0.000 claims abstract description 27
- 239000000428 dust Substances 0.000 claims abstract description 26
- 230000008018 melting Effects 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000005188 flotation Methods 0.000 claims abstract description 23
- 239000006148 magnetic separator Substances 0.000 claims abstract description 23
- 239000002351 wastewater Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 5
- 239000004411 aluminium Substances 0.000 claims description 23
- 238000000151 deposition Methods 0.000 claims description 18
- 239000000696 magnetic material Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 239000007779 soft material Substances 0.000 claims description 5
- 239000008400 supply water Substances 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 239000002912 waste gas Substances 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000007885 magnetic separation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008396 flotation agent Substances 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses an environmental efficient recycling device for electrolyte in aluminum electrolytic waste. The environmental efficient recycling device comprises a material mill, a ball mill, a magnetic separator, a flotation machine, a centrifugal dehydrator, a drying kiln and an intermediate-frequency melting furnace, wherein the material mill is positioned below a floor cover plate, and a dust collecting cover is arranged on the material mill; the ball mill is arranged on the downstream of the material mill, the magnetic separator is arranged on the downstream of the ball mill, and the magnetic separator is connected with a feed opening of the flotation machine by virtue of a nonmagnetic material tube; a base material guide tube of the flotation machine is connected with a base material clarifying basin, a base material of the base material clarifying basin is connected with the centrifugal dehydrator by virtue of a guide tube, a discharge opening of the centrifugal dehydrator is connected with the drying kiln, and a discharge opening of the drying kiln is connected with the intermediate-frequency melting furnace by virtue of a material turning device. According to the environmental efficient recycling device disclosed by the utility model, a closed-circuit process system is formed by adopting the combination of serial process equipment, materials can be completely recycled, and waste water and waste gas can be closely treated. The environmental efficient recycling device disclosed by the utility model has the advantages of being simple and convenient in process, full in recycling and utilization of resources, capable of achieving energy conservation, emission reduction, no exhaust emission, and internal recycling of water resources.
Description
Technical field
The utility model belongs to aluminium electroloysis waste recovery technical field, is specifically related to electrolyte environment-friendly highly efficient retracting device in a kind of simple in structure, aluminium electroloysis waste material that organic efficiency is high, safe and reliable.
Background technology
The a large amount of waste material of the annual discharge of aluminium electrolytic industry, its disposal and utilization receives the concern of numerous national relevant experts and enterprise already.In recent years, the parties concerned of China also take up research.Analysis result shows, the electrolyte of the carbon that contains 70% left and right in spent potlining piece and 30% left and right, and wherein electrolyte mainly comprises ice crystal, sodium fluoride and aluminium oxide etc.Relevant studies have shown that, these electrolyte infiltrate negative electrode in electrolytic process, substantially not with carbon generation chemical reaction but be embedded in crack, hole and the pit of carbon piece.Aluminium is produced by electrolytic process, is a kind of very important metal material, and no matter from output, consumption figure or range of application, aluminium is all only second to iron and steel and far occupies first of each non-ferrous metal.Therefore the cathode waste that electrolytic aluminium produces is in continuous increase, and this kind of waste material can not directly utilize, and mainly takes in the past the mode of burying to process to this kind of waste material, and this causes huge potential hazard to earth environment.Some processing method is directly waste material to be burnt, because ice crystal burns and can produce a large amount of noxious material and pernicious gas combustion-supporting in the situation that at carbon lump, atmosphere is caused and greatly pollutes and resource is caused to greatly waste, and wasted the electrolyte with high added value.Therefore study electrolytical recovery technology in aluminium electroloysis waste material and seem very necessary, meet the development strategy that national energy-saving reduces discharging, recycles; If provide a kind of simple in structure, organic efficiency is high, and electrolyte retracting device in reliable and stable aluminium electroloysis waste material, just can turn waste into wealth, the added value of raising waste material, and economize on resources, realize " three nothings " pattern of environmental nonpollution, nothing harm, nothing waste.
Utility model content
The purpose of this utility model is to provide electrolyte environment-friendly highly efficient retracting device in a kind of simple in structure, aluminium electroloysis waste material that organic efficiency is high, safe and reliable.
The purpose of this utility model is to realize like this, comprise materials crusher, ball mill, magnetic separator, flotation device, centrifugal dehydrator, dry kiln and mid-frequency melting furnace, described materials crusher is positioned at below terrace cover plate, dust gathering arrester is set on it, and described dust gathering arrester connects water dust scrubber by pulverizing dust leg; Described materials crusher downstream arranges ball mill, and ball mill downstream arranges magnetic separator, and magnetic separator connects flotation device charging aperture by non-magnetic material pipe; The bed material conduit of described flotation device connects bed material depositing reservoir, and the bed material of bed material depositing reservoir connects centrifugal dehydrator by conduit, and centrifugal dehydrator discharging opening connects dry kiln, and dry kiln discharging opening connects mid-frequency melting furnace by turning materials device.
The utility model adopts the closed circuit working procedure systems that is combined to form of series of processes equipment, and not only material recycle is complete, and waste water, waste gas are able to closed processing.The technical scheme that adopts the utility model to provide is processed aluminium electroloysis waste material, reclaims the electrolyte product purity obtaining high, does not need again to process and can directly use, and organic efficiency is high, and cost drops into low.Technical solutions of the utility model are easy, the dust producing in removal process and waste gas have all been carried out to effective processing, the abundant recycling of the resource both having realized, more realized the discharge without waste water, waste gas, energy-saving and emission-reduction, environmental protection.
Brief description of the drawings
Fig. 1 is that the utility model overall structure is related to schematic diagram;
Fig. 2 is that the dry kiln overall structure of the utility model is partly cutd open schematic diagram;
Fig. 3 is the mid-frequency melting furnace partial structurtes schematic diagram of the utility model;
In figure: 1-materials crusher, 2-ball mill, 3-magnetic separator, 4-flotation device, 5-bed material depositing reservoir, 6-overflow material depositing reservoir, 7-treatment tank, 8-circulating water pool, 9-centrifugal dehydrator, 10-dry kiln, 101-material rotating plate, the soft materials device that hits of 102-, 11-mid-frequency melting furnace, 12-water dust scrubber, 13-main-supply, the non magnetic material conduit of 14-, 15-dust gathering arrester, 16-melting dust leg, 17-pulverizes dust leg, 18-sump, 19-branching supply water pipe, 20-water film dedusting water inlet pipe, 21-terrace cover plate, 22-melting platform, 221-isolates retaining ring, 222-pedestal, 23-turns materials device, 24-overflow material conduit, 25-elevator pump, 26-sack cleaner.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described, but never in any form the utility model is limited, any change or the improvement done based on the utility model training centre, all belong to protection domain of the present utility model.
As shown in Figure 1, the utility model comprises materials crusher 1, ball mill 2, magnetic separator 3, flotation device 4, centrifugal dehydrator 9, dry kiln 10 and mid-frequency melting furnace 11, described materials crusher 1 is positioned at terrace cover plate below 21, dust gathering arrester 15 is set on it, and described dust gathering arrester 15 connects water dust scrubber 12 by pulverizing dust leg 17; Described materials crusher 1 downstream arranges ball mill 2, and ball mill 2 downstreams arrange magnetic separator 3, and magnetic separator 3 connects flotation device 4 charging apertures by non-magnetic material pipe 14; The bed material conduit of described flotation device 4 connects bed material depositing reservoir 5, and the bed material of bed material depositing reservoir 5 connects centrifugal dehydrator 9 by conduit, and centrifugal dehydrator 9 discharging openings connect dry kiln 10, and dry kiln 10 discharging openings connect mid-frequency melting furnace 11 by turning materials device 23.
Fig. 2 shows the structural relation of dry kiln, and described dry kiln 10 is roller drying kiln, and material rotating plate 101 is set on its inwall, and the soft materials device 102 that hits is set on described material rotating plate 101.
The soft materials device 102 that hits arranging on the material rotating plate 101 of described dry kiln 10 is for ring type connection chain, and is longitudinally non-tensioning state setting along material rotating plate 101, and it at least coordinates with material rotating plate 101 is affixed at two ends; The hot air intake of described dry kiln 10 connects the heat outlet of sack cleaner 26 or the heat outlet of boiler, and the tail gas outlet of dry kiln 10 connects the air inlet of sack cleaner 26.
Fig. 3 shows the structural relation of mid-frequency melting furnace, described mid-frequency melting furnace 11 be non-packed formula without magnetic screen graphite combustion chamber mid-frequency melting furnace, it is arranged in elevated type melting platform 22.
Described mid-frequency melting furnace 11 is arranged on the pedestal 222 that the installing hole of melting platform 22 is corresponding, and its surrounding arranges isolation retaining ring 221; Corresponding to fire door top, dust gathering arrester 15 is set, connects sack cleaner 26 by melting dust leg 16, the heat outlet of sack cleaner 26 connects the hot blast import of dry kiln 10.
The wastewater outlet pipe of described ball mill 2, magnetic separator 3, flotation device 4 connects treatment tank 7 through sump 18; The clear water output for the treatment of tank 7 connects circulating water pool 8, and circulating water pool 8 connects respectively ball mill 2, magnetic separator 3, flotation device 4 by elevator pump 25 through branching supply water pipe 19; Connect water dust scrubber 12 through water film dedusting water inlet pipe 20.
Described ball mill 2 screw lifting device in parallel forms circulating ball grinding machine group, and its water inlet connects branching supply water pipe 19, and its delivery port connects sump 18.
Described magnetic separator 3 comprises two-stage, and its outlet of sewer is communicated with respectively sump 18, and described sump 18 is communicated with the water inlet for the treatment of tank 7; Described magnetic separator 3 arranges magnetic material conduit and non-magnetic material conduit 14, and the former connects feeder, and the latter connects flotation device 4 charging apertures.
The overhead bed material depositing reservoir 5 on terrace cover plate 21 of described flotation device 4, on platform on overflow material depositing reservoir 6, described bed material depositing reservoir 5 and the leakage fluid dram of overflow material depositing reservoir 6 are directly connected the treatment tank 7 of its below, and the precipitation material of bed material depositing reservoir 5 exports and enters centrifugal dehydrator 9 by stream conduit.
the utility model operation principle and the course of work:
The utility model adopts the closed circuit working procedure systems that is combined to form of series of processes equipment, and not only material recycle is complete, and waste water, waste gas are able to closed processing.Dry kiln of the present utility model adopts special version, especially on material rotating plate, arranges and hits materials device, contributes to material to impact, and prevents material caking, ensures that dry materials is even; Improve the dry mass of material; The utility model carries out Overall Reconstruction to the intermediate frequency furnace that is suitable for the melting of magnetic strength material simultaneously, makes to be suitable for non-magnetic strength material, especially contains the melting of aluminium electrolyte; Simultaneously, smelting furnace top arranges band dust gathering arrester, under the effect of air-introduced machine, forms micro-negative pressure near intermediate frequency furnace fire door, by after the dust producing in intermediate frequency furnace fusion process and gas sampling after sack cleaner carries out purifying and dedusting, as dry kiln thermal source for dried material.
When work, first by wet ball mill, aluminium electroloysis waste material is pulverized, the material after pulverizing enters the first magnetic separator and the second magnetic separator successively, carries out twice magnetic separation, and the iron charge being blended in aluminium electroloysis waste material is selected completely, and packaging is outer sells; Waste material after magnetic separation enters flotation device and carries out flotation, in floatation process, add flotation agent, make electrolyte sink to forming underflow material, underflow material enters bed material sedimentation basin, then enters centrifuge centrifugal dehydration, the centrifugal material that leaches enters dry kiln and dries, material after oven dry enters intermediate frequency furnace, and a small amount of powdered carbon containing in electrolyte is removed in low smelting heat, obtains electrolyte, described electrolyte enters cooler bin by intermediate frequency furnace, and cooling rear direct pack can be sold.
Claims (9)
1. electrolyte environment-friendly highly efficient retracting device in an aluminium electroloysis waste material, comprise materials crusher (1), ball mill (2), magnetic separator (3), flotation device (4), centrifugal dehydrator (9), dry kiln (10) and mid-frequency melting furnace (11), it is characterized in that described materials crusher (1) is positioned at below terrace cover plate (21), dust gathering arrester (15) is set on it, and described dust gathering arrester (15) connects water dust scrubber (12) by pulverizing dust leg (17); Described materials crusher (1) downstream arranges ball mill (2), and ball mill (2) downstream arranges magnetic separator (3), and magnetic separator (3) connects flotation device (4) charging aperture by non-magnetic material pipe (14); The bed material conduit of described flotation device (4) connects bed material depositing reservoir (5), the bed material of bed material depositing reservoir (5) connects centrifugal dehydrator (9) by conduit, centrifugal dehydrator (9) discharging opening connects dry kiln (10), and dry kiln (10) discharging opening connects mid-frequency melting furnace (11) by turning materials device (23).
2. electrolyte environment-friendly highly efficient retracting device in aluminium electroloysis waste material according to claim 1, it is characterized in that described dry kiln (10) is roller drying kiln, material rotating plate (101) is set on its inwall, the soft materials device (102) that hits is set on described material rotating plate (101).
3. electrolyte environment-friendly highly efficient retracting device in aluminium electroloysis waste material according to claim 1 and 2, it is characterized in that the upper soft materials device (102) that hits arranging of material rotating plate (101) of described dry kiln (10) is for ring type connection chain, and be longitudinally non-tensioning state setting along material rotating plate (101), and its at least two ends and affixed cooperation of material rotating plate (101); The hot air intake of described dry kiln (10) connects the heat outlet of sack cleaner (26) or the heat outlet of boiler, and the tail gas outlet of dry kiln (10) connects the air inlet of sack cleaner (26).
4. electrolyte environment-friendly highly efficient retracting device in aluminium electroloysis waste material according to claim 1, is characterized in that described mid-frequency melting furnace (11) is for non-packed formula is without magnetic screen graphite combustion chamber mid-frequency melting furnace, and it is arranged in elevated type melting platform (22).
5. according to electrolyte environment-friendly highly efficient retracting device in the aluminium electroloysis waste material described in claim 1 or 4, mid-frequency melting furnace (11) described in it is characterized in that is arranged at the pedestal (222) corresponding to installing hole of melting platform (22) and goes up, and its surrounding arranges isolation retaining ring (221); Corresponding to fire door top, dust gathering arrester (15) is set, connects sack cleaner (26) by melting dust leg (16), the heat outlet of sack cleaner (26) connects the hot blast import of dry kiln (10).
6. electrolyte environment-friendly highly efficient retracting device in aluminium electroloysis waste material according to claim 1, is characterized in that the wastewater outlet pipe of described ball mill (2), magnetic separator (3), flotation device (4) connects treatment tank (7) through sump (18); The clear water output for the treatment of tank (7) connects circulating water pool (8), and circulating water pool (8) connects respectively ball mill (2), magnetic separator (3), flotation device (4) by elevator pump (25) through branching supply water pipe (19); Connect water dust scrubber (12) through water film dedusting water inlet pipe (20).
7. according to electrolyte environment-friendly highly efficient retracting device in the aluminium electroloysis waste material described in claim 1 or 6, it is characterized in that described ball mill (2) screw lifting device in parallel forms circulating ball grinding machine group, its water inlet connects branching supply water pipe (19), and its delivery port connects sump (18).
8. electrolyte environment-friendly highly efficient retracting device in aluminium electroloysis waste material according to claim 1, it is characterized in that described magnetic separator (3) comprises two-stage, its outlet of sewer is communicated with respectively sump (18), and described sump (18) is communicated with the water inlet for the treatment of tank (7); Described magnetic separator (3) arranges magnetic material conduit and non-magnetic material conduit (14), and the former connects feeder, and the latter connects flotation device (4) charging aperture.
9. according to electrolyte environment-friendly highly efficient retracting device in the aluminium electroloysis waste material described in claim 1 or 6, it is characterized in that the described overhead bed material depositing reservoir (5) on terrace cover plate (21) of flotation device (4), on platform on overflow material depositing reservoir (6), described bed material depositing reservoir (5) and the leakage fluid dram of overflow material depositing reservoir (6) are directly connected the treatment tank (7) of its below, and the precipitation material of bed material depositing reservoir (5) exports and enters centrifugal dehydrator (9) by stream conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169082.8U CN203853365U (en) | 2014-04-09 | 2014-04-09 | Environmental efficient recycling device for electrolyte in aluminum electrolytic waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169082.8U CN203853365U (en) | 2014-04-09 | 2014-04-09 | Environmental efficient recycling device for electrolyte in aluminum electrolytic waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203853365U true CN203853365U (en) | 2014-10-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420169082.8U Expired - Lifetime CN203853365U (en) | 2014-04-09 | 2014-04-09 | Environmental efficient recycling device for electrolyte in aluminum electrolytic waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203853365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117206087A (en) * | 2023-11-09 | 2023-12-12 | 上海沃骋有色金属有限公司 | Anode carbon residue solid waste recovery treatment device |
-
2014
- 2014-04-09 CN CN201420169082.8U patent/CN203853365U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117206087A (en) * | 2023-11-09 | 2023-12-12 | 上海沃骋有色金属有限公司 | Anode carbon residue solid waste recovery treatment device |
| CN117206087B (en) * | 2023-11-09 | 2024-04-19 | 上海沃骋有色金属有限公司 | Anode carbon residue solid waste recovery treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |
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| CX01 | Expiry of patent term |