CN110813520A - Multistage independent water circulation flotation method for waste lead-acid storage batteries - Google Patents
Multistage independent water circulation flotation method for waste lead-acid storage batteries Download PDFInfo
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- CN110813520A CN110813520A CN201910809142.5A CN201910809142A CN110813520A CN 110813520 A CN110813520 A CN 110813520A CN 201910809142 A CN201910809142 A CN 201910809142A CN 110813520 A CN110813520 A CN 110813520A
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- lead
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- waste
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000002699 waste material Substances 0.000 title claims abstract description 33
- 239000002253 acid Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005188 flotation Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 56
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 229920003023 plastic Polymers 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000011505 plaster Substances 0.000 claims description 12
- 239000010926 waste battery Substances 0.000 claims description 10
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical group O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
-
- 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
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention discloses a multistage independent water circulation flotation method for waste lead-acid storage batteries, which comprises the steps of S1, extracting crushed materials; step S2, primary hydraulic separation; step S3 hydrodynamic sorting; step S4 secondary hydraulic separation; the method can improve the total recovery rate of lead and the recovery rate of plastics in the waste lead-acid batteries by carrying out water circulation sorting on the waste lead-acid batteries for multiple times, reduces the mutual doping rate of material sorting, reduces loss and reduces pollution to the environment.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of waste battery treatment, in particular to the technical field of multistage independent flotation of waste lead-acid storage batteries.
[ background of the invention ]
At present, waste lead-acid batteries are a large pollution source in natural environment, if the waste lead-acid batteries are not properly treated, serious influence is caused on the environment, electrodes of the lead-acid batteries are mainly made of lead and oxides thereof, and electrolyte is a storage battery of sulfuric acid solution. In a discharge state, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; in a charged state, the main components of the positive electrode and the negative electrode are lead sulfate. At present, the method for sorting waste lead-acid battery materials adopts multi-stage integrated hydraulic sorting for domestic and foreign similar equipment, the materials are subjected to one-stage hydraulic sorting and two-stage hydrodynamic sorting, but the water of the whole system comes from a ship-shaped scraper, and the water is weakly acidic and has strong corrosivity, so that the service life of the equipment is greatly shortened. Meanwhile, as the lead plaster in the ship-shaped scraper blade machine cannot be completely precipitated, a large amount of acid water containing the lead plaster enters the hydraulic separation system, the lead content of the separated lead grid, plastic and partition paper is very high, the separation precision is influenced, the total lead recovery rate is reduced, the subsequent material separation precision is poor, the impurity content is high, the lead plaster extraction rate is not high, certain waste is caused, and the environmental damage is great.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a multistage independent water circulation flotation method for waste lead-acid storage batteries, which can improve the total recovery rate of lead in the waste lead-acid storage batteries, reduce the mutual doping rate of material separation, reduce waste, reduce the pollution to the environment and prolong the service life of equipment.
In order to realize the aim, the invention provides a multistage independent water circulation flotation method for waste lead-acid storage batteries, which comprises the following steps:
step S1 crushed material extraction: crushing and sorting the waste batteries at the front ends, and then, carrying out primary sorting on oversize products of the waste batteries;
step S2 primary hydraulic sorting: the oversize products after crushing and sorting are led into a first-level water conservancy sorting device and then automatically sortedThe chemical adding device automatically adds sodium carbonate to ensure that the density of liquid in the device reaches 1.1-1.2kg/m3So that the density of ABS, PP and the like in the material is less than 1.1kg/m3The light materials float on the water surface, heavy materials such as partition paper, lead grids and the like in the materials sink at the bottom of the primary hydraulic sorting device, a top auger conveyor is arranged at the top in the primary hydraulic sorting device, a bottom auger conveyor is arranged at the bottom of the top auger conveyor, the light materials floating on the water surface are moved out of the system through the top auger conveyor arranged in the primary hydraulic sorting device, and the heavy materials sinking at the bottom are conveyed into the hydrodynamic sorting device in the next step through the bottom auger conveyor;
step S3 hydrodynamic sorting: the hydrodynamic sorting device comprises a hydrodynamic separator, a vertical circulating pump, an impurity sorting screen, a hydrodynamic circulating water tank, a lead grid screw conveyor and a screw conveyor, wherein heavy materials enter the hydrodynamic separator, the vertical circulating pump provides high-pressure water from bottom to top to flush the materials, and the rising buoyancy is generated while the materials are flushed so that the lead grid in the materials is separated from other light materials, wherein the lead grid is deposited at the bottom and is moved out of the system through the lead grid screw conveyor;
step S4 secondary hydraulic sorting: quantitative sodium carbonate is added into the secondary hydraulic separation equipment through an automatic adding device, and the density of the liquid in the secondary hydraulic separation equipment is adjusted to 1.1-1.2kg/m3So that the plastic floats on the surface of the liquid and is removed from the system by the top auger and the separator paper sinks to the bottom and is removed from the system by the bottom auger.
Preferably, the crushed material extracted in step S1 is used to crush the waste lead-acid storage battery twice, the waste lead-acid storage battery raw material is firstly conveyed to a primary hammer crusher to perform primary coarse crushing on the waste battery, the primary coarse crushed raw material directly falls into a primary lead paste sorting sieve to be sorted after the primary crushing, a large amount of lead paste contained in the primary coarse crushed raw material falls through a screen, oversize materials enter a secondary hammer crusher through feeding equipment to perform secondary fine crushing, the secondary fine crushed raw material directly falls into a secondary lead paste sorting sieve to perform secondary sorting, and the lead paste contained in the secondary fine crushed raw material falls through the screen.
Preferably, the crushed material extracted in step S1 is separated from the lead plaster by wet separation, and the lead plaster at the upper end of the separation screen is dropped through the separation screen by high-pressure water washing.
Preferably, the liquids in the step S2 primary hydraulic separation, the step S3 hydraulic separation and the step S4 secondary hydraulic separation are independently circulated and do not interfere with each other.
The multistage independent water circulation flotation method for the waste lead-acid storage batteries has the beneficial effects that: the method can improve the total recovery rate of lead and the recovery rate of plastics in the waste lead-acid batteries by carrying out water circulation sorting on the waste lead-acid batteries for multiple times, reduces the mutual doping rate of material sorting, reduces loss and reduces pollution to the environment.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic view of the working flow of the multistage independent water circulation flotation method for the waste lead-acid storage battery.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention
The invention relates to a multistage independent water circulation flotation method for waste lead-acid storage batteries, which comprises the following steps:
step S1 crushed material extraction: crushing and sorting the waste batteries at the front ends, and then, carrying out primary sorting on oversize products of the waste batteries;
step S2 primary hydraulic sorting: guiding the crushed and sorted oversize materials into a first-stage water conservancy sorting device, and then automatically adding sodium carbonate by an automatic medicine adding device to ensure that the density of liquid in the device reaches 1.1-1.2kg/m3So that the density of ABS, PP and the like in the material is less than 1.1kg/m3The light materials float on the water surface, heavy materials such as partition paper, lead grids and the like in the materials sink at the bottom of the primary hydraulic sorting device, a top auger conveyor is arranged at the top in the primary hydraulic sorting device, a bottom auger conveyor is arranged at the bottom of the top auger conveyor, the light materials floating on the water surface are moved out of the system through the top auger conveyor arranged in the primary hydraulic sorting device, and the heavy materials sinking at the bottom are conveyed into the hydrodynamic sorting device in the next step through the bottom auger conveyor;
step S3 hydrodynamic sorting: the hydrodynamic sorting device comprises a hydrodynamic separator, a vertical circulating pump, an impurity sorting screen, a hydrodynamic circulating water tank, a lead grid screw conveyor and a screw conveyor, wherein heavy materials enter the hydrodynamic separator, the vertical circulating pump provides high-pressure water from bottom to top to flush the materials, and the rising buoyancy is generated while the materials are flushed so that the lead grid in the materials is separated from other light materials, wherein the lead grid is deposited at the bottom and is moved out of the system through the lead grid screw conveyor;
step S4 secondary hydraulic sorting: second-level hydraulic separation device by automatic adding deviceAdding quantitative sodium carbonate in the secondary hydraulic separation equipment, and adjusting the liquid density in the secondary hydraulic separation equipment to 1.1-1.2kg/m3So that the plastic floats on the surface of the liquid and is removed from the system by the top auger and the separator paper sinks to the bottom and is removed from the system by the bottom auger.
Wherein, the step S1 of extracting the crushed materials is to crush the waste lead-acid storage batteries twice, the raw materials of the waste lead-acid storage batteries are firstly conveyed to a primary hammer crusher to carry out primary coarse crushing on the waste batteries, the primary coarse crushed raw materials directly fall into a primary lead paste sorting sieve to be sorted after the primary crushing, a large amount of lead paste contained in the primary coarse crushed raw materials falls down through a screen, oversize products enter a secondary hammer crusher through feeding equipment to carry out secondary fine crushing, the secondary fine crushed raw materials directly fall into a secondary lead paste sorting sieve to carry out secondary sorting, the lead paste contained in the secondary fine crushed raw materials falls down through the screen, the step S1 of extracting the crushed materials from the crushed materials and the lead paste separation adopt a wet sorting method, the lead paste on the upper end of the sorting sieve falls down through the sorting screen by high-pressure washing assistance, and the steps S2 of primary hydraulic sorting, S3 of hydrodynamic sorting and S4 of secondary hydraulic sorting are all independent and cyclic liquids, do not interfere with each other.
The working process of the invention is as follows:
in the working process of the multistage independent water circulation flotation method for the waste lead-acid storage batteries, the waste lead-acid storage batteries are subjected to water circulation sorting for multiple times, so that the total recovery rate of lead in the waste lead-acid storage batteries can be improved, the mutual doping rate of material sorting is reduced, the waste is reduced, and the pollution to the environment is reduced.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (4)
1. A multistage independent water circulation flotation method for waste lead-acid storage batteries is characterized by comprising the following steps: the method comprises the following steps:
step S1 crushed material extraction: crushing and sorting the waste batteries at the front ends, and then, carrying out primary sorting on oversize products of the waste batteries;
step S2 primary hydraulic sorting: guiding the crushed and sorted oversize materials into a first-stage water conservancy sorting device, and then automatically adding sodium carbonate by an automatic medicine adding device to ensure that the density of liquid in the device reaches 1.1-1.2kg/m3So that the density of ABS, PP and the like in the material is less than 1.1kg/m3The light materials float on the water surface, heavy materials such as partition paper, lead grids and the like in the materials sink at the bottom of the primary hydraulic sorting device, a top auger conveyor is arranged at the top in the primary hydraulic sorting device, a bottom auger conveyor is arranged at the bottom of the top auger conveyor, the light materials floating on the water surface are moved out of the system through the top auger conveyor arranged in the primary hydraulic sorting device, and the heavy materials sinking at the bottom are conveyed into the hydrodynamic sorting device in the next step through the bottom auger conveyor;
step S3 hydrodynamic sorting: the hydrodynamic sorting device comprises a hydrodynamic separator, a vertical circulating pump, an impurity sorting screen, a hydrodynamic circulating water tank, a lead grid screw conveyor and a screw conveyor, wherein heavy materials enter the hydrodynamic separator, the vertical circulating pump provides high-pressure water from bottom to top to flush the materials, and the rising buoyancy is generated while the materials are flushed so that the lead grid in the materials is separated from other light materials, wherein the lead grid is deposited at the bottom and is moved out of the system through the lead grid screw conveyor;
step S4 secondary hydraulic sorting: quantitative sodium carbonate is added into the secondary hydraulic separation equipment through an automatic adding device, and the density of the liquid in the secondary hydraulic separation equipment is adjusted to 1.1-1.2kg/m3So that the plastic floats on the liquid level,and removed from the system by the top auger, the separator paper sinks to the bottom, and is removed from the system by the bottom auger.
2. The multistage independent water circulation flotation method for the waste lead-acid storage batteries according to claim 1, characterized by comprising the following steps: the step S1 is characterized in that the crushed material is extracted to crush the waste lead-acid storage battery twice, the waste lead-acid storage battery raw material is conveyed to a primary hammer crusher to carry out primary coarse crushing on the waste battery, the primary coarse crushed raw material directly falls into a primary lead plaster separation sieve to be separated after the primary crushing, a large amount of lead plaster contained in the primary coarse crushed raw material falls down through a screen, oversize materials enter a secondary hammer crusher through feeding equipment to be subjected to secondary fine crushing, the secondary fine crushed raw material directly falls into the secondary lead plaster separation sieve to be subjected to secondary separation, and the lead plaster contained in the secondary fine crushed raw material falls down through the screen.
3. The multistage independent water circulation flotation method for the waste lead-acid storage batteries according to claim 1, characterized by comprising the following steps: and S1, extracting the crushed materials, separating the crushed materials from the lead plaster by adopting a wet separation method, and washing the lead plaster at the upper end of the separation screen by high pressure water to assist the lead plaster to fall through the separation screen.
4. The multistage independent water circulation flotation method for the waste lead-acid storage batteries according to claim 1, characterized by comprising the following steps: the liquid in the step S2 primary hydraulic separation, the step S3 hydraulic separation and the step S4 secondary hydraulic separation are independently circulated and do not interfere with each other.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809142.5A CN110813520A (en) | 2019-08-29 | 2019-08-29 | Multistage independent water circulation flotation method for waste lead-acid storage batteries |
| PCT/CN2020/110418 WO2021036919A1 (en) | 2019-08-29 | 2020-08-21 | Multistage independent water circulation flotation method for used lead-acid batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809142.5A CN110813520A (en) | 2019-08-29 | 2019-08-29 | Multistage independent water circulation flotation method for waste lead-acid storage batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110813520A true CN110813520A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910809142.5A Pending CN110813520A (en) | 2019-08-29 | 2019-08-29 | Multistage independent water circulation flotation method for waste lead-acid storage batteries |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110813520A (en) |
| WO (1) | WO2021036919A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186172A (en) * | 2020-09-09 | 2021-01-05 | 湖南恒晟环保科技有限公司 | Combined processing technology of lead plaster treatment modification and flotation |
| WO2021036919A1 (en) * | 2019-08-29 | 2021-03-04 | 浙江浙矿重工股份有限公司 | Multistage independent water circulation flotation method for used lead-acid batteries |
| CN113499853A (en) * | 2021-07-08 | 2021-10-15 | 湖南江冶新能源科技股份有限公司 | Hydrodynamic sorting and wet stripping process for waste lithium ion battery crushed materials |
| CN115230020A (en) * | 2022-07-19 | 2022-10-25 | 浙江天能电源材料有限公司 | Intelligent sorting system and method for heavy plastics of waste storage batteries |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1333960C (en) * | 1986-01-09 | 1995-01-17 | Marco Olper | Hydrometallurgical process for an overall recovery of the components of exhausted lead-acid batteries |
| CN104752786A (en) * | 2015-04-03 | 2015-07-01 | 阳煤集团山西吉天利科技有限公司 | Waste lead-acid battery high-efficiency sorting recycling process |
| CN105846005A (en) * | 2016-03-22 | 2016-08-10 | 安徽华铂再生资源科技有限公司 | Waste lead-acid storage battery crushing-and-separation one-step energy-saving recycling process |
| CN107623151A (en) * | 2017-08-31 | 2018-01-23 | 浙江浙矿重工股份有限公司 | A kind of lead-acid accumulator reclaiming technique |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490115B (en) * | 2013-09-02 | 2015-08-12 | 浙江天能电源材料有限公司 | A kind of Battery recycling piece-rate system |
| US20160308261A1 (en) * | 2013-12-03 | 2016-10-20 | Verdeen Chemicals, Inc. | Zero lead pollution process for recycling used lead acid batteries |
| CN110813520A (en) * | 2019-08-29 | 2020-02-21 | 浙江浙矿重工股份有限公司 | Multistage independent water circulation flotation method for waste lead-acid storage batteries |
-
2019
- 2019-08-29 CN CN201910809142.5A patent/CN110813520A/en active Pending
-
2020
- 2020-08-21 WO PCT/CN2020/110418 patent/WO2021036919A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1333960C (en) * | 1986-01-09 | 1995-01-17 | Marco Olper | Hydrometallurgical process for an overall recovery of the components of exhausted lead-acid batteries |
| CN104752786A (en) * | 2015-04-03 | 2015-07-01 | 阳煤集团山西吉天利科技有限公司 | Waste lead-acid battery high-efficiency sorting recycling process |
| CN105846005A (en) * | 2016-03-22 | 2016-08-10 | 安徽华铂再生资源科技有限公司 | Waste lead-acid storage battery crushing-and-separation one-step energy-saving recycling process |
| CN107623151A (en) * | 2017-08-31 | 2018-01-23 | 浙江浙矿重工股份有限公司 | A kind of lead-acid accumulator reclaiming technique |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036919A1 (en) * | 2019-08-29 | 2021-03-04 | 浙江浙矿重工股份有限公司 | Multistage independent water circulation flotation method for used lead-acid batteries |
| CN112186172A (en) * | 2020-09-09 | 2021-01-05 | 湖南恒晟环保科技有限公司 | Combined processing technology of lead plaster treatment modification and flotation |
| CN112186172B (en) * | 2020-09-09 | 2023-01-10 | 湖南恒晟环保科技有限公司 | Combined processing technology of lead plaster treatment modification and flotation |
| CN113499853A (en) * | 2021-07-08 | 2021-10-15 | 湖南江冶新能源科技股份有限公司 | Hydrodynamic sorting and wet stripping process for waste lithium ion battery crushed materials |
| CN115230020A (en) * | 2022-07-19 | 2022-10-25 | 浙江天能电源材料有限公司 | Intelligent sorting system and method for heavy plastics of waste storage batteries |
| CN115230020B (en) * | 2022-07-19 | 2023-10-03 | 浙江天能电源材料有限公司 | Intelligent sorting system and method for heavy plastic of waste storage battery |
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| WO2021036919A1 (en) | 2021-03-04 |
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Address after: 313100 Industrial Park, Heping Town, Changxing County, Huzhou, Zhejiang Applicant after: Zhejiang mining heavy industry Co.,Ltd. Address before: 313100 Industrial Park, Heping Town, Changxing County, Huzhou, Zhejiang Applicant before: ZHEJIANG ZHEKUANG HEAVY INDUSTRY Co.,Ltd. |
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Application publication date: 20200221 |