CN102208705B - Waste and old colloidal storage battery material recovery treatment method - Google Patents
Waste and old colloidal storage battery material recovery treatment method Download PDFInfo
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- CN102208705B CN102208705B CN2011100957438A CN201110095743A CN102208705B CN 102208705 B CN102208705 B CN 102208705B CN 2011100957438 A CN2011100957438 A CN 2011100957438A CN 201110095743 A CN201110095743 A CN 201110095743A CN 102208705 B CN102208705 B CN 102208705B
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- waste
- colloidal electrolyte
- lead
- colloidal
- silicon dioxide
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Abstract
The invention relates to a waste and old colloidal storage battery material recovery treatment method which comprises the following processing steps of: after crushing waste and old colloidal storage batteries, carrying out oscillating separation so that shells and the colloidal electrolyte parts of the batteries are separated; carrying out mesh screening on the separated materials so that screened colloidal electrolyte is settled in a colloidal electrolyte pool for being divided into silicon dioxide paste mud and lead paste; recovering silicon dioxide and preparing a regenerated lead ingot from the lead paste; conveying collected metal separators in the shells into a lead furnace for melting and regenerating to form a regenerated lead ingot; and preparing a polypropylene regenerated material from waste plastics in the shells and then recovering polypropylene. The invention has the advantages of reasonable process flow, high comprehensive recovery utilization ratio and good economic benefits and environment-friendliness effect, is easy for operation and can effectively solve the problem of environmental pollution caused by silicon dioxide, lead, polypropylene, waste acid, sulphur, and the like.
Description
Technical field
The invention belongs to resource substance processing method technical field in chemical industry and non-ferrous metal metallurgy industry, relate to a kind of waste and old colloidal storage battery material recovery treatment method for each component separation thing in silicon dioxide and the waste and old gelled lead acid battery of plumbous regeneration process recycling.
Background technology
In recent years, along with the fast development of energy technology and demand, as a kind of main carriers of new forms of energy, the colloid lead acid storage battery with use amount also expand thereupon, when people were provided convenience, its harm to environment also grew with each passing day.Gelled lead acid battery is mainly to be made of plumbic acid, silicon dioxide, it is scattering in natural environment and will causes immeasurable pollution to environment if these materials are left, thereby used waste and old colloid storage battery material is carried out that recycling processes is an instant necessary job, it is of value to the environmental protection cause of society, also is of value to the resource reutilization cause of society.
At present the representative waste and old colloidal storage battery material recovery treatment method in this area mainly contains rotary furnace smelting process+lead bullion pyrogenic process, wet method and dissociates+lead bullion pyrogenic process and waterpower separating method etc.The flow process that rotary furnace smelting process+lead bullion pyrogenic process adopts is for directly sending into the rotary furnace melting with waste and old colloid storage battery after fragmentation, batching, the recycling fire refining of crude lead obtains lead bullion, but this technology is not considered the problem of sulfur dioxide pollution and the regeneration of plastics, does not carry out the separation of grid lead plaster yet.Wet method dissociates+and the flow process of lead bullion pyrogenic process is basic similar to rotary furnace smelting process+lead bullion pyrogenic process, at first the method adopts the wet method waste and old gelled lead acid battery that dissociated, grid, plastics, cream mud have been isolated, produce lead bullion by fire refining of crude lead again, but this technique does not also consider to solve the problem of sulfur dioxide pollution.The waterpower separating method is mainly that waste and old colloid storage battery is obtained respectively Waste Sulfuric Acid, polypropylene plastics, cream mud and lead grid successively after fragmentation, waterpower sorting, cream mud carries out carbonate treatment before entering rotary kiln, thereby remove sulfur dioxide pollution, waste water carries out sulfide precipitation to be processed, but the method fails to process to the contained sulphur of cream mud, and Waste Sulfuric Acid also fails to be used.
Summary of the invention
The object of the invention is to the problem that prior art exists is solved, provide a kind of technological process rationally, high, the easy operating of comprehensive reutilization rate, economic benefit and the good waste and old colloidal storage battery material recovery treatment method of environmental protection effect.
The waste and old colloidal storage battery material recovery treatment method that is used for realizing the foregoing invention purpose and provides comprises following PROCESS FOR TREATMENT step:
1, waste and old gelled lead acid battery is carried out fragmentation with tape transport in the material storage container that crushing mechanism is installed, the waste electrolyte in battery is flowed automatically in material storage container;
2, breaked waste and old gelled lead acid battery is delivered to shaken separation in oscillating feeder, the housing of used and scrapped battery is partly separated with colloidal electrolyte; Mass transport after concussion separates is screened in 80 eye mesh screens, colloidal electrolyte after sieving is entered in the colloidal electrolyte pond;
3, with the housing parts waste material of unsifted waste and old gelled lead acid battery by the tape transport that Magnetic Isolation equipment is housed to disintegrating machine, magnetic metal fragment in course of conveying in waste material is separated by the Magnetic Isolation equipment Inspection on conveyer belt and screening, the metal separation thing is sent into the waste metal collecting pit by conveyer belt, be conveyed into again afterwards plumbous stove and smelt, generate the regeneration lead pig; Remaining waste plastics enters and is fractured into particle diameter in disintegrating machine less than 80 purposes mixing pellets, then is admitted to the waste or used plastics collecting pit, after being distributed into polypropene recycled materials, reclaims polypropylene;
4, use without silicon water and will be sieved into colloidal electrolyte in the colloidal electrolyte pond by the weight ratio dilution of 3: 10, make colloidal electrolyte after dilution enter mixer and stir, make colloidal electrolyte become colloidal electrolyte liquid; Colloidal electrolyte liquid is sent into the sedimentation feeder that is provided with the chain-type scaler with helicoidal pump, add flocculation agent for the colloidal electrolyte liquid in the sedimentation feeder, polyacrylamide (PMA) flocculation agent etc., to add flocculation agent weight be 1%～3% of colloidal electrolyte liquid weight, and at the uniform velocity stirred 10～15 minutes, make colloidal electrolyte liquid through the coacervation sedimentation; Colloidal electrolyte liquid is divided into the upper strata without three layers, silicon water, middle level silicon dioxide cream mud and bottom lead plaster mud after the coacervation sedimentation; To send into without recycling in silicon water collecting pit without silicon water, chain-type scaler in collecting by the groove sedimentation strikes off and sends middle level silicon dioxide cream mud into the silicon dioxide storage pool, and the chain-type scaler in collecting by the groove sedimentation afterwards strikes off the lead plaster mud of bottom and send in lead plaster mud storage pool;
5, will send into silicon dioxide cream mud in storage pool and lead plaster mud and deliver in filter press respectively with pump and filter, and the silicon dioxide that filters gained be sent into air-dry pond make silicon dioxide ask receipts after air-dry; The lead plaster that filters gained is sent into air-dry pond send to plumbous the smelting after air-dry, make the regeneration lead pig, make the lead plaster sulfur-bearing sulfur dioxide gas that oxidation forms in plumbous smelting process enter the acid making system extracting sulfuric acid by pipeline, the tank for sulphuric acid packing of sulfuric acid finished product, the filtrate retrieval system is in order to clean solid matter.
Compared with prior art, the beneficial effect that has of the present invention is:
One, effectively avoided the pollution to environment such as silicon dioxide, lead, polypropylene, environmental protection effect is good;
Two, can effectively avoid the pollution problem of spent acid and sulphur, spent acid is delivered to sulfuric acid plant through the press filtration purification and again participates in producing high-concentration sulfuric acid in processing procedure; Lead plaster sulfur-bearing oxidation formation sulfur dioxide gas in plumbous smelting process enters closed conduit and sends into the acid making system extracting sulfuric acid, makes the value of spent acid and sulphur again obtain utilization, has also saved disposal cost simultaneously, has produced benefit;
Three, the automaticity of whole technical process is high, easy operating, and the production operation environment is good;
Four, feed separation is thorough, and the metal recovery utilance is high.
Embodiment
The PROCESS FOR TREATMENT step that one embodiment of the present of invention adopt is as described below.
1, with conveyer belt, waste and old gelled lead acid battery is transported to and carries out fragmentation in the material storage container that crushing mechanism is installed, certain gradient is arranged at the bottom of the pond of material storage container and done waterproof and acid-proof infiltration processing, after the used and scrapped battery fragmentation, the waste electrolyte that flows out from used and scrapped battery can flow automatically at the bottom of the pond all in electrolyte storage hole.Be transported to Filter Press through submerged pump after the waste electrolyte of this part, its filter cake is delivered to meltshop batching refining lead bullion, and the waste electrolyte after filtering is again from flowing to the electrolyte accumulator tank, then with being pumped to sulfuric acid plant relieving haperacidity.
2, breaked waste and old gelled lead acid battery is delivered in vibration constant feeder with function of measuring with conveyer belt shaken separation, the housing of used and scrapped battery is partly separated with colloidal electrolyte; Mass transport after concussion separates is screened in 80 eye mesh screens, colloidal electrolyte after sieving is entered in the colloidal electrolyte pond.
3, with the housing parts waste material of unsifted waste and old gelled lead acid battery by the tape transport that Magnetic Isolation equipment is housed to disintegrating machine.Also dispose the metal detector for detection of magnetic metal or irony fragment on conveyer, when having too much magnetic metal or irony fragment to exist in charging in course of conveying, the metal detector on conveyer belt will send and stop the charging signal, stops charging.Isolate magnetic metal or irony fragment by the Magnetic Isolation equipment Inspection on conveyer belt and screening, isolated magnetic metal or irony fragment are sent into the waste metal collecting pit by conveyer belt, are conveyed into afterwards plumbous stove again and smelt, and generate the regeneration lead pig.Magnetic Materials is isolated rear remaining polypropylene waste plastics and is entered and be fractured into particle diameter in disintegrating machine and mix pellets less than 80 purposes and send into the waste or used plastics collecting pit, is distributed into polypropene recycled materials, makes polypropylene be recovered utilization.
4, use without silicon water and will be sieved into colloidal electrolyte in the colloidal electrolyte pond by the weight ratio dilution of 3: 10, make colloidal electrolyte after dilution enter mixer and stir, colloidal electrolyte is diluted as colloidal electrolyte liquid.Colloidal electrolyte liquid is sent into the sedimentation feeder that is provided with the chain-type scaler with helicoidal pump, adding weight for the interior colloidal electrolyte liquid of sedimentation feeder is polyacrylamide (PMA) flocculation agent of colloidal electrolyte liquid weight 1%, and at the uniform velocity stirred 10 minutes, make colloidal electrolyte liquid through the coacervation sedimentation.Because the specific gravity difference of the silicon dioxide in colloidal electrolyte liquid and lead is large, colloidal electrolyte liquid is divided into three layers after the coacervation sedimentation, be followed successively by from top to bottom the upper strata without silicon water, middle level silicon dioxide cream mud and bottom lead plaster mud.The upper strata is sent into without recycling in silicon water collecting pit without silicon water.Chain-type scaler in collecting by the groove sedimentation strikes off and sends middle level silicon dioxide cream mud into the silicon dioxide storage pool.Chain-type scaler in collecting by the groove sedimentation more afterwards strikes off the lead plaster mud of bottom and send in lead plaster mud storage pool.
5, will send into silicon dioxide cream mud in storage pool and lead plaster mud delivers in filter press respectively with pump and filters.With the silicon dioxide that filters gained send into air-dry pond wind in after make recovery of silica; The lead plaster that will filter simultaneously gained is sent into air-dry pond and is sent to plumbous the smelting after air-dry, makes the regeneration lead pig.Make during this time the lead plaster sulfur-bearing sulfur dioxide gas that oxidation forms in plumbous smelting process enter the acid making system extracting sulfuric acid by pipeline, the tank for sulphuric acid packing of sulfuric acid finished product makes sulfuric acid be recovered utilization, and the filtrate retrieval system is in order to clean solid matter.
Claims (1)
1. waste and old colloidal storage battery material recovery treatment method is characterized in that comprising following PROCESS FOR TREATMENT step:
1.1 waste and old gelled lead acid battery is carried out fragmentation with tape transport in the material storage container that crushing mechanism is installed, the waste electrolyte in battery is flowed automatically in material storage container;
Shake separation in oscillating feeder 1.2 breaked waste and old gelled lead acid battery is delivered to, the colloidal electrolyte part of used and scrapped battery is separated with housing; Mass transport after concussion separates is screened in 80 eye mesh screens, colloidal electrolyte after sieving is entered in the colloidal electrolyte pond;
1.3 with the housing parts waste material of unsifted waste and old gelled lead acid battery by the tape transport that Magnetic Isolation equipment is housed to disintegrating machine, magnetic metal fragment in course of conveying in waste material is separated by the Magnetic Isolation equipment Inspection on conveyer belt and screening, the metal separation thing is sent into the waste metal collecting pit by conveyer belt, be conveyed into again afterwards plumbous stove and smelt, generate the regeneration lead pig; Remaining waste plastics enters and is fractured into particle diameter in disintegrating machine less than 80 purposes mixing pellets, then is admitted to the waste or used plastics collecting pit, after being distributed into polypropene recycled materials, reclaims polypropylene;
1.4 use without silicon water and will be sieved into colloidal electrolyte in the colloidal electrolyte pond by the weight ratio dilution of 3: 10, make colloidal electrolyte after dilution enter mixer and stir, make colloidal electrolyte become colloidal electrolyte liquid; Colloidal electrolyte liquid is sent into the sedimentation feeder that is provided with the chain-type scaler with helicoidal pump, add flocculation agent for the colloidal electrolyte liquid in the sedimentation feeder, to add flocculation agent weight be 1%～3% of colloidal electrolyte liquid weight, and at the uniform velocity stirred 10～15 minutes, make colloidal electrolyte liquid through the coacervation sedimentation; Colloidal electrolyte liquid is divided into the upper strata without three layers, silicon water, middle level silicon dioxide cream mud and bottom lead plaster mud after the coacervation sedimentation; To send into without recycling in silicon water collecting pit without silicon water, chain-type scaler in collecting by the groove sedimentation strikes off and sends middle level silicon dioxide cream mud into the silicon dioxide storage pool, and the chain-type scaler in collecting by the groove sedimentation afterwards strikes off the lead plaster mud of bottom and send in lead plaster mud storage pool;
Deliver in filter press respectively with pump and filter 1.5 will send into silicon dioxide cream mud in storage pool and lead plaster mud, the silicon dioxide that filters gained is sent into air-dry pond make recovery of silica after air-dry; The lead plaster that filters gained is sent into air-dry pond send to plumbous the smelting after air-dry, make the regeneration lead pig, make the sulphur sulfur dioxide gas that oxidation forms in plumbous smelting process that contains in lead plaster enter the acid making system extracting sulfuric acid by pipeline, the tank for sulphuric acid packing of sulfuric acid finished product, the filtrate retrieval system is in order to clean solid matter.
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| CN2011100957438A CN102208705B (en) | 2011-04-15 | 2011-04-15 | Waste and old colloidal storage battery material recovery treatment method |
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| CN2011100957438A CN102208705B (en) | 2011-04-15 | 2011-04-15 | Waste and old colloidal storage battery material recovery treatment method |
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| CN102208705A CN102208705A (en) | 2011-10-05 |
| CN102208705B true CN102208705B (en) | 2013-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018145172A1 (en) * | 2017-02-08 | 2018-08-16 | Astech 2015 Ltd | Method and installation for processing of hazardous waste from recycling lead-acid batteries |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183884A (en) * | 2013-07-31 | 2014-12-03 | 天能电池(芜湖)有限公司 | Lead acid storage battery waste acid recycling technology |
| CN104577244A (en) * | 2014-12-22 | 2015-04-29 | 安徽省华鑫铅业集团有限公司金铅分公司 | Method for disassembling waste battery |
| CN109037820B (en) * | 2018-07-27 | 2024-01-02 | 广东新生环保科技股份有限公司 | Broken production line of lead acid battery |
| CN109244582B (en) * | 2018-09-28 | 2022-03-11 | 阳煤集团山西吉天利科技有限公司 | Process for harmless treatment and resource utilization of waste lead storage battery |
| CN114314884B (en) * | 2022-01-04 | 2023-12-15 | 南宁光波科技有限公司 | Method and device for treating waste electrolyte of cadmium-nickel storage battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101098031A (en) * | 2006-06-30 | 2008-01-02 | 上海飞轮有色冶炼厂 | Environmental protection recovery processing method for waste lead acid accumulator |
| CN101197459A (en) * | 2006-12-04 | 2008-06-11 | 许兴义 | Solid waste recovery and processing system of waste lead acid accumulator |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101098031A (en) * | 2006-06-30 | 2008-01-02 | 上海飞轮有色冶炼厂 | Environmental protection recovery processing method for waste lead acid accumulator |
| CN101197459A (en) * | 2006-12-04 | 2008-06-11 | 许兴义 | Solid waste recovery and processing system of waste lead acid accumulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018145172A1 (en) * | 2017-02-08 | 2018-08-16 | Astech 2015 Ltd | Method and installation for processing of hazardous waste from recycling lead-acid batteries |
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