CN108165752A - A kind of safe lead-acid accumulator recovery method - Google Patents

A kind of safe lead-acid accumulator recovery method Download PDF

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Publication number
CN108165752A
CN108165752A CN201711489952.4A CN201711489952A CN108165752A CN 108165752 A CN108165752 A CN 108165752A CN 201711489952 A CN201711489952 A CN 201711489952A CN 108165752 A CN108165752 A CN 108165752A
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CN
China
Prior art keywords
lead
desulfurization
screened out
subjected
acid accumulator
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.)
Pending
Application number
CN201711489952.4A
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Chinese (zh)
Inventor
吴昱铮
吴进波
吴秀侠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Huaqing Baisheng Energy Co Ltd
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Tianjin Huaqing Baisheng Energy Co Ltd
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Priority to CN201711489952.4A priority Critical patent/CN108165752A/en
Publication of CN108165752A publication Critical patent/CN108165752A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/001—Dry processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B13/00—Obtaining lead
    • C22B13/02—Obtaining lead by dry processes
    • C22B13/025—Recovery from waste materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/54—Reclaiming serviceable parts of waste accumulators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing Of Solid Wastes (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention relates to battery recycling technical field more particularly to a kind of safe lead-acid accumulator recovery methods.Include the following steps, 1) battery is subjected to break process using crusher and is sieved；2) the lead mud screened out in step 1) is subjected to desulfurization process, obtains desulfurization lead plaster；Desulfurization lead plaster is handled using high temperature reduction method, the refined stove regeneration of obtained lead bullion, refining furnace temperature is 1100~1200 DEG C, and obtained waste residue is handled using landfill method；3) grid alloy screened out in step 1) is placed in low smelting heat stove, temperature of low-oven is 600~700 DEG C, then is processed through alloying furnace；4) acidic electrolysis bath screened out in step 1) is first placed in acid-proof antiseep treatment tank, adds in antalkali, electrolyte is placed in sedimentation basin, leaded sludge is isolated, sludge is subjected to secondary smelting.The present invention provides a kind of convenient, fast, rational safe lead-acid accumulator recovery method.

Description

A kind of safe lead-acid accumulator recovery method
Technical field
The present invention relates to battery recycling technical field more particularly to a kind of safe lead-acid accumulator recovery methods.
Background technology
With being continuously increased for human society energy demand, lead-acid accumulator as a kind of portable energy reservoir, Shared ratio is increasing in society and daily life, in the old and useless battery after use containing a large amount of heavy metal and Electrolyte solution if cannot deal carefully with, and arbitrarily abandons, under long-term abrasion and weathering, electrolyte solution easy to leak, Into the ecosystem, environment and personal safety are endangered, and random abandon of heavy metal causes to waste, therefore the recycling of old and useless battery It handles most important.
Invention content
The present invention is directed to prevent the harm of old and useless battery, and provide a kind of convenient, fast, rational safe lead acid storage battery Pond recovery method.
The present invention to achieve the above object, using following technical scheme：A kind of safe lead-acid accumulator recovery method, packet Include following steps,
1) battery is subjected to break process using crusher and sieved；
2) the lead mud screened out in step 1) is subjected to desulfurization process, obtains desulfurization lead plaster；It is handled using high temperature reduction method Desulfurization lead plaster, the obtained refined stove regeneration of lead bullion, refining furnace temperature is 1100~1200 DEG C, and obtained waste residue uses landfill method Processing；
3) grid alloy screened out in step 1) being placed in low smelting heat stove, temperature of low-oven is 600~700 DEG C, then It is processed through alloying furnace；
4) acidic electrolysis bath screened out in step 1) is first placed in acid-proof antiseep treatment tank, added in alkalinity And agent, electrolyte is placed in sedimentation basin, leaded sludge is isolated, sludge is subjected to secondary smelting.
Preferably：The exhaust gas that the lead steam flue dust and the refining of lead bullion that step 2) high temperature reduction method generates generate is through cloth bag Deduster processing.
Preferably：Desulfurization process in step 2) is：Add in urea in the lead mud screened out into step 1), lead sulfate with The molar ratio of amino is 1 in urea:4~6, it is 1 to add in water to solid-to-liquid ratio:4~6,2~3h is stirred, ammonium carbonate is added in and is taken off Sulphur.
The beneficial effects of the invention are as follows：The present invention splits lead-acid accumulator completely, and battery structure is refined, and recycling is every A kind of recycling or harmful ingredient, classification work early period of the completion dangerous substance processing of high quality, can effectively prevent The generation of problem of environmental pollution caused by battery arbitrarily abandons or battery recycling is dealt with improperly, to ensure that environment and the person are pacified Entirely.
Specific embodiment
With reference to embodiment, the invention will be further described：
The present invention includes the following steps,
1) battery is subjected to break process using crusher and sieved；
2) the lead mud screened out in step 1) is subjected to desulfurization process, obtains desulfurization lead plaster；It is handled using high temperature reduction method Desulfurization lead plaster, the obtained refined stove regeneration of lead bullion, refining furnace temperature is 1100~1200 DEG C, and obtained waste residue uses landfill method Processing；
3) grid alloy screened out in step 1) being placed in low smelting heat stove, temperature of low-oven is 600~700 DEG C, then It is processed through alloying furnace；
4) acidic electrolysis bath screened out in step 1) is first placed in acid-proof antiseep treatment tank, added in alkalinity And agent, electrolyte is placed in sedimentation basin, leaded sludge is isolated, sludge is subjected to secondary smelting.
The exhaust gas that the lead steam flue dust and the refining of lead bullion that step 2) high temperature reduction method generates generate is through bag filter Processing.
Desulfurization process in step 2) is：Add in urea in the lead mud screened out into step 1), lead sulfate in urea The molar ratio of amino is 1:4~6, it is 1 to add in water to solid-to-liquid ratio:4~6,2~3h is stirred, ammonium carbonate is added in and carries out desulfurization.
Embodiment 1,
The present invention includes the following steps,
1) battery is subjected to break process using crusher and sieved；
2) the lead mud screened out in step 1) is subjected to desulfurization process, desulfurization process is：Urea, sulfuric acid are added in into lead mud The molar ratio of lead and amino in urea is 1:5, it is 1 to add in water to solid-to-liquid ratio:5,2h is stirred, ammonium carbonate is added in and carries out desulfurization, obtain To desulfurization lead plaster；Desulfurization lead plaster is handled using high temperature reduction method, the refined stove regeneration of obtained lead bullion, refining furnace temperature is 1180 DEG C, obtained waste residue is handled using landfill method；The exhaust gas that the lead steam flue dust and the refining of lead bullion that high temperature reduction method generates generate is equal It is handled through bag filter；
3) grid alloy screened out in step 1) is placed in low smelting heat stove, temperature of low-oven is 650 DEG C, then through alloy Stove is processed；
4) acidic electrolysis bath screened out in step 1) is first placed in acid-proof antiseep treatment tank, added in alkalinity And agent, electrolyte is placed in sedimentation basin, leaded sludge is isolated, sludge is subjected to secondary smelting.
Embodiment 2,
The present invention includes the following steps,
1) battery is subjected to break process using crusher and sieved；
2) the lead mud screened out in step 1) is subjected to desulfurization process, desulfurization process is：Urea, sulfuric acid are added in into lead mud The molar ratio of lead and amino in urea is 1:4, it is 1 to add in water to solid-to-liquid ratio:4,2.5h is stirred, ammonium carbonate is added in and carries out desulfurization, Obtain desulfurization lead plaster；Desulfurization lead plaster is handled using high temperature reduction method, the refined stove regeneration of obtained lead bullion, refining furnace temperature is 1100 DEG C, obtained waste residue is handled using landfill method；The lead steam flue dust and the refining of lead bullion that high temperature reduction method generates generate useless Gas is handled through bag filter；
3) grid alloy screened out in step 1) is placed in low smelting heat stove, temperature of low-oven is 600 DEG C, then through alloy Stove is processed；
4) acidic electrolysis bath screened out in step 1) is first placed in acid-proof antiseep treatment tank, added in alkalinity And agent, electrolyte is placed in sedimentation basin, leaded sludge is isolated, sludge is subjected to secondary smelting.
Embodiment 3,
The present invention includes the following steps,
1) battery is subjected to break process using crusher and sieved；
2) the lead mud screened out in step 1) is subjected to desulfurization process, desulfurization process is：Urea, sulfuric acid are added in into lead mud The molar ratio of lead and amino in urea is 1:4, it is 1 to add in water to solid-to-liquid ratio:4,2.5h is stirred, ammonium carbonate is added in and carries out desulfurization, Obtain desulfurization lead plaster；Desulfurization lead plaster is handled using high temperature reduction method, the refined stove regeneration of obtained lead bullion, refining furnace temperature is 1200 DEG C, obtained waste residue is handled using landfill method；The lead steam flue dust and the refining of lead bullion that high temperature reduction method generates generate useless Gas is handled through bag filter；
3) grid alloy screened out in step 1) is placed in low smelting heat stove, temperature of low-oven is 700 DEG C, then through alloy Stove is processed；
4) acidic electrolysis bath screened out in step 1) is first placed in acid-proof antiseep treatment tank, added in alkalinity And agent, electrolyte is placed in sedimentation basin, leaded sludge is isolated, sludge is subjected to secondary smelting.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above, As long as it employs the various improvement of inventive concept and technical scheme of the present invention progress or not improved directly applies to other fields It closes, within protection scope of the present invention.

Claims (3)

1. a kind of safe lead-acid accumulator recovery method, it is characterised in that：Include the following steps,
1) battery is subjected to break process using crusher and sieved；
2) the lead mud screened out in step 1) is subjected to desulfurization process, obtains desulfurization lead plaster；Desulfurization is handled using high temperature reduction method Lead plaster, the obtained refined stove regeneration of lead bullion, refining furnace temperature is 1100~1200 DEG C, and obtained waste residue is using at landfill method Reason；
3) grid alloy screened out in step 1) is placed in low smelting heat stove, temperature of low-oven is 600~700 DEG C, then economic cooperation Golden stove processing；
4) acidic electrolysis bath screened out in step 1) is first placed in acid-proof antiseep treatment tank, adds in alkalinity and neutralize Electrolyte is placed in sedimentation basin, isolates leaded sludge, sludge is carried out secondary smelting by agent.
2. safe lead-acid accumulator recovery method according to claim 1, it is characterised in that：Step 2) high temperature restores The exhaust gas that the lead steam flue dust and the refining of lead bullion that method generates generate is handled through bag filter.
3. safe lead-acid accumulator recovery method according to claim 1, it is characterised in that：At desulfurization in step 2) It manages and is：Add in urea in the lead mud screened out into step 1), the molar ratio of lead sulfate and amino in urea is 1:4~6, it adds in Water to solid-to-liquid ratio is 1:4~6,2~3h is stirred, ammonium carbonate is added in and carries out desulfurization.
CN201711489952.4A 2017-12-30 2017-12-30 A kind of safe lead-acid accumulator recovery method Pending CN108165752A (en)

Priority Applications (1)

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CN201711489952.4A CN108165752A (en) 2017-12-30 2017-12-30 A kind of safe lead-acid accumulator recovery method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109244582A (en) * 2018-09-28 2019-01-18 阳煤集团山西吉天利科技有限公司 A kind of technique of waste lead accumulator harmless treatment and resource utilization
CN112271350A (en) * 2020-10-23 2021-01-26 湖南江冶机电科技股份有限公司 Method for preparing secondary lead by recycling waste batteries

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1664132A (en) * 2004-03-02 2005-09-07 沈阳环境科学研究院 Green lead extraction method for waste storage battery
CN101335370A (en) * 2008-07-11 2008-12-31 东莞市松山科技集团有限公司 Process implement full cycle regeneration of lead acid battery
CN103794834A (en) * 2014-03-04 2014-05-14 襄阳远锐资源工程技术有限公司 Method for recycling used lead-acid batteries in full circulation mode
CN104087761A (en) * 2014-07-28 2014-10-08 扬州市华翔有色金属有限公司 Secondary lead smelting method
CN106544510A (en) * 2016-12-07 2017-03-29 天津华庆百胜能源有限公司 A kind of processing method of waste and old lead acid accumulator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1664132A (en) * 2004-03-02 2005-09-07 沈阳环境科学研究院 Green lead extraction method for waste storage battery
CN101335370A (en) * 2008-07-11 2008-12-31 东莞市松山科技集团有限公司 Process implement full cycle regeneration of lead acid battery
CN103794834A (en) * 2014-03-04 2014-05-14 襄阳远锐资源工程技术有限公司 Method for recycling used lead-acid batteries in full circulation mode
CN104087761A (en) * 2014-07-28 2014-10-08 扬州市华翔有色金属有限公司 Secondary lead smelting method
CN106544510A (en) * 2016-12-07 2017-03-29 天津华庆百胜能源有限公司 A kind of processing method of waste and old lead acid accumulator

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Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109244582A (en) * 2018-09-28 2019-01-18 阳煤集团山西吉天利科技有限公司 A kind of technique of waste lead accumulator harmless treatment and resource utilization
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
CN112271350A (en) * 2020-10-23 2021-01-26 湖南江冶机电科技股份有限公司 Method for preparing secondary lead by recycling waste batteries

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Application publication date: 20180615

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