CN113145276B - Multi-stage cooling charged crushing equipment - Google Patents
Multi-stage cooling charged crushing equipment Download PDFInfo
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- CN113145276B CN113145276B CN202110491511.8A CN202110491511A CN113145276B CN 113145276 B CN113145276 B CN 113145276B CN 202110491511 A CN202110491511 A CN 202110491511A CN 113145276 B CN113145276 B CN 113145276B
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- stage cooling
- bin
- crushing
- stage
- cooling bin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- 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
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- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides multi-stage cooling charged crushing equipment which comprises a pre-stage cooling treatment mechanism, a crushing mechanism and a crushing mechanism, wherein the pre-stage cooling treatment mechanism comprises a pre-stage cooling bin and a pre-stage cooling device; the rear-stage cooling treatment mechanism comprises a rear-stage cooling bin and a rear-stage cooling device, and the rear-stage cooling bin is communicated with the front-stage cooling bin; the crushing mechanism is communicated with the rear-stage cooling bin; the conveying line is at least partially communicated with the pre-stage cooling bin and the post-stage cooling bin, the pre-stage cooling device can perform preliminary cooling treatment on materials on the conveying line, and the post-stage cooling device can perform further cooling treatment on the materials on the conveying line. According to the invention, the front-stage cooling device and the rear-stage cooling device are utilized to cool the battery to be disassembled in sequence, so that the electrolyte in the battery is solidified and deactivated, the energy release of the electrolyte during crushing is reduced, the occurrence of explosion can be effectively reduced, and the safety production and the life safety of workers are ensured.
Description
Technical Field
The invention relates to the technical field of battery recovery, in particular to multi-stage cooling and charging crushing equipment.
Background
The country is the country with the most rapid electric process, and is also the country with the large production and marketing of new energy automobiles. The soft package battery is a third generation power battery developed on the basis of the original steel shell, aluminum shell and plastic shell battery. The soft package lithium battery adopts an aluminum plastic film package on the shell structure, is widely applied to industries such as new energy automobiles, solar photovoltaic power generation, portable power lamps and the like based on the advantages of light weight, high space utilization efficiency, good heat dissipation performance, high safety and the like. With the mass use of the soft-package battery, after the soft-package battery is disabled, the soft-package battery contains rich nickel, cobalt, manganese, lithium, copper, aluminum and other elements, so that the soft-package battery is necessary to be recycled.
However, in practice, it is found that the waste soft-package lithium ion battery often has an electric quantity, which results in that in the mechanical crushing and recycling process, once the positive and negative electrode plate crushed aggregates are directly contacted in the crushing process, a local short circuit is formed, a large amount of energy in the electrolyte is released to generate a large amount of heat, and the risk of triggering combustion explosion is caused, so that the safety production is hindered and the life safety of people is endangered.
Disclosure of Invention
The invention provides multistage cooling charged crushing equipment, which aims to solve the problems of high activity and potential safety hazard of organic electrolyte during crushing.
The scheme for solving the technical problems is as follows:
a multi-stage reduced temperature charged crushing apparatus comprising:
the pre-stage cooling treatment mechanism comprises a pre-stage cooling bin and a pre-stage cooling device;
the rear-stage cooling treatment mechanism comprises a rear-stage cooling bin and a rear-stage cooling device, and the rear-stage cooling bin is communicated with the front-stage cooling bin;
the crushing mechanism is communicated with the rear-stage cooling bin;
the conveying line, at least part link up in proper order along the direction of transportation in preceding stage cooling storehouse reaches the back level cooling storehouse just the conveying line as the one end of transportation terminal point with crushing mechanism dock, preceding stage heat sink sets up in the preceding stage cooling storehouse, the back level heat sink sets up in the preceding stage cooling storehouse, preceding stage heat sink the preceding stage heat sink orientation the conveying line, preceding stage heat sink can be right material on the conveying line carries out preliminary cooling treatment, the back level heat sink can be right material on the conveying line carries out further cooling treatment.
Further, the pre-stage cooling device comprises an air blowing component, a refrigerating component and an exhaust fan, wherein the air blowing component is embedded on the pre-stage cooling bin and can blow dry air into the pre-stage cooling bin; the refrigerating assembly is embedded on the inner wall of the pre-stage cooling bin, can cool the pre-stage cooling bin, and the exhaust fan is embedded at the bottom of the pre-stage cooling bin, so that gas in the pre-stage cooling bin can be discharged to the outside.
Further, the blast assembly comprises a blast blower and a drying cylinder, the air outlet end of the blast blower is positioned in the pre-stage cooling bin, the air inlet end of the blast blower is positioned outside the pre-stage cooling bin and is in butt joint with one end of the drying cylinder, and the drying cylinder is filled with a drying agent.
Further, the refrigerating component is a plurality of semiconductor refrigerating sheets which are embedded on the inner wall of the pre-stage cooling bin and are powered on to refrigerate in the pre-stage cooling bin.
Further, the rear-stage cooling device comprises a plurality of rear-stage cooling assemblies and a liquid nitrogen supply assembly, wherein the rear-stage cooling assemblies are arranged in the front-stage cooling bin and are arranged along the conveying direction of the conveying line, the liquid nitrogen supply assembly is communicated with the rear-stage cooling assemblies, and the rear-stage cooling assemblies can spray liquid nitrogen supplied by the liquid nitrogen supply assembly to the conveying line.
Further, the rear-stage cooling assembly comprises a fixed base, an annular pipe and a plurality of spray heads, wherein the fixed base is fixed below the transportation line, the annular pipe is sleeved on the transportation line and fixed with the fixed base, an annular pipeline is arranged in the annular pipe and communicated with the liquid nitrogen supply assembly, the spray heads are fixed on the inner annular surface of the annular pipe and communicated with the annular pipeline, and the spraying direction of the spray heads faces the transportation line.
Further, broken mechanism includes broken storehouse, broken subassembly and nitrogen gas input subassembly, broken storehouse with the butt joint of rear stage cooling storehouse is intercommunication, broken subassembly sets up in the broken storehouse, can carry out broken processing to the battery, nitrogen gas input subassembly's output with broken storehouse intercommunication can be to the nitrogen gas is blown in the broken storehouse.
Further, the crushing assembly comprises a plurality of pairs of crushing cutters, wherein the crushing cutters are arranged in a pair of opposite directions, and the opposite crushing cutters are provided with gaps and rotate in opposite directions.
The invention is provided with a pre-stage cooling treatment mechanism and a post-stage cooling treatment mechanism, wherein the pre-stage cooling treatment mechanism comprises a pre-stage cooling bin and a pre-stage cooling device, and the post-stage cooling treatment mechanism comprises a post-stage cooling bin and a post-stage cooling device; the pre-stage cooling device and the post-stage cooling device can cool the battery to be disassembled in sequence, so that electrolyte in the battery is solidified and loses activity, the energy release of the electrolyte during crushing is reduced, the occurrence of explosion can be effectively reduced, and the safety production and the life safety of workers are ensured.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
fig. 1 is a schematic structural diagram of a multi-stage cooling charged crushing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the rear stage cooling module of FIG. 1.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
As shown in fig. 1, the multi-stage cooling and charging crushing device provided by the embodiment of the invention comprises a pre-stage cooling and treating mechanism 1, a post-stage cooling and treating mechanism 2, a crushing mechanism 3 and a transportation line 4, wherein the pre-stage cooling and treating mechanism 1, the post-stage cooling and treating mechanism 2 and the crushing mechanism 3 are sequentially communicated, and the transportation line 4 is at least partially communicated with the pre-stage cooling and treating mechanism 1 and the post-stage cooling and treating mechanism 2.
The pre-stage cooling treatment mechanism 1 comprises a pre-stage cooling bin 11 and a pre-stage cooling device 12, the conveying line 4 is partially communicated with the pre-stage cooling bin 11, and the pre-stage cooling device 12 can perform preliminary cooling treatment on materials on the conveying line 4.
The front-stage cooling bin 11 is provided with an openable or closable feeding hole 111, and the feeding hole 111 is in butt joint with the part of the conveying line 4 positioned in the front-stage cooling bin 11; the batteries to be treated can be placed on the transport line 4 through the feed opening 111.
The pre-stage cooling device 12 comprises an air blowing component 121, a refrigerating component 122 and an exhaust fan 123, wherein the air blowing component 121 is embedded on the pre-stage cooling bin 11 and can blow dry air into the pre-stage cooling bin 11; the refrigerating assembly 122 is embedded on the inner wall of the pre-stage cooling bin 11, and can cool the pre-stage cooling bin 11, the exhaust fan 123 is embedded at the bottom of the pre-stage cooling bin 11, and can exhaust gas in the pre-stage cooling bin 11 to the outside, so that the air pressure balance in the pre-stage cooling bin 11 is maintained.
The air blast assembly 121 comprises an air blast blower 124 and a drying cylinder 125, wherein an air outlet end of the air blast blower 124 is positioned in the pre-stage cooling bin 11, an air inlet end of the air blast blower 124 is positioned outside the pre-stage cooling bin 11 and is in butt joint with one end of the drying cylinder 125, and the drying cylinder 125 is filled with a drying agent. The air blower blows air dried by the drying cylinder 125 into the pre-stage cooling bin 11. The batteries to be treated on the transport line 4 are kept dry.
The refrigerating assembly 122 is a plurality of semiconductor refrigerating sheets, and the semiconductor refrigerating sheets are embedded on the inner wall of the pre-stage cooling bin 11 and are powered on to refrigerate in the pre-stage cooling bin 11. The battery is cooled in the pre-stage cooling bin 11 and kept dry.
The post-stage cooling treatment mechanism 2 comprises a post-stage cooling bin 21 and a post-stage cooling device 22, the conveying line 4 is partially communicated with the post-stage cooling bin 21, and the post-stage cooling device 22 can further cool materials on the conveying line 4.
The rear-stage cooling bin 21 is communicated with the front-stage cooling bin 11 and the crushing mechanism 3, the rear-stage cooling bin 21 is provided with a plurality of one-way pressure relief valves 211, and the one-way pressure relief valves 211 only allow the rear-stage cooling bin 21 to release pressure and exhaust air to the outside.
The post-stage cooling device 22 comprises a plurality of post-stage cooling components 221 and a liquid nitrogen supply component 222, the post-stage cooling components 221 are arranged in the pre-stage cooling bin 11 and are arranged along the conveying direction of the conveying line 4, the liquid nitrogen supply component 222 is communicated with the post-stage cooling components 221, and the post-stage cooling components 221 can spray the liquid nitrogen supplied by the liquid nitrogen supply component 222 to the conveying line 4 so as to further cool the materials on the conveying line 4.
As shown in fig. 2, the post-stage cooling component 221 includes a fixing base 223, an annular pipe 224 and a plurality of spray nozzles 225, the fixing base 223 is fixed below the transportation line 4, the annular pipe 224 is sleeved on the transportation line 4 and is fixed with the fixing base 223, an annular pipe 226 is disposed in the annular pipe 224, the annular pipe 226 is communicated with the liquid nitrogen supply component 222, the spray nozzles 225 are fixed on an inner annular surface of the annular pipe 224 and are communicated with the annular pipe 226, and the spray direction of the spray nozzles 225 faces the transportation line 4. The primarily cooled battery is transported to the position of the post-stage cooling component 221 on the transportation line 4, and the spray head 225 sprays liquid nitrogen to the battery on the transportation line 4 to cool the battery.
Because a plurality of post-stage cooling assemblies 221 are arranged along the transportation direction of the transportation line 4, the battery to be processed passes through the post-stage cooling assemblies 221 one by one under the transportation of the transportation line 4, and each post-stage cooling assembly 221 cools the battery to form multi-stage cooling, so that the temperature of the battery is gradually reduced.
The crushing mechanism 3 comprises a crushing bin 31, a crushing assembly 32 and a nitrogen input assembly 33, wherein the crushing bin 31 is in butt joint communication with the rear-stage cooling bin 21, the crushing assembly 32 is arranged in the crushing bin 31, the battery can be crushed, the output end of the nitrogen input assembly 33 is communicated with the crushing bin 31, and nitrogen can be blown into the crushing bin 31.
The crushing assembly 32 includes a plurality of pairs of crushing cutters 321, the crushing cutters 321 are disposed opposite to each other, and the crushing cutters 321 disposed opposite to each other have a gap and rotate in opposite directions.
One end of the conveying line 4 is located in the front-stage cooling bin 11, the other end of the conveying line is located in the rear-stage cooling bin 21 and above the butt joint position of the crushing bin 31 and the rear-stage cooling bin 21, and the conveying direction of the conveying line 4 is from one end located in the front-stage cooling bin 11 to one end located in the rear-stage cooling bin 21.
When the battery crushing device is used, the battery to be crushed is placed on the conveying line 4 in the pre-stage cooling bin 11, the pre-stage cooling device 12 is used for carrying out primary cooling on the battery, the battery subjected to primary cooling is conveyed into the post-stage cooling bin 21 along with the conveying line 4 and passes through the post-stage cooling assemblies 221 one by one, each post-stage cooling assembly 221 is used for cooling the battery to form multi-stage cooling, so that the temperature of the battery is gradually reduced, electrolyte in the battery is frozen, the activity is greatly reduced, and finally the battery falls into the crushing mechanism 3 for crushing.
The invention is provided with a pre-stage cooling treatment mechanism and a post-stage cooling treatment mechanism, wherein the pre-stage cooling treatment mechanism comprises a pre-stage cooling bin and a pre-stage cooling device, and the post-stage cooling treatment mechanism comprises a post-stage cooling bin and a post-stage cooling device; the pre-stage cooling device and the post-stage cooling device can cool the battery to be disassembled in sequence, so that the activity of electrolyte in the battery is reduced, the occurrence of explosion can be effectively reduced, and the safety production and the life safety of workers are ensured.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way; those skilled in the art will readily appreciate that the present invention may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present invention are possible in light of the above teachings without departing from the scope of the invention; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present invention still fall within the scope of the present invention.
Claims (5)
1. Multistage cooling electrified crushing equipment, characterized by, include:
the pre-stage cooling treatment mechanism comprises a pre-stage cooling bin and a pre-stage cooling device;
the rear-stage cooling treatment mechanism comprises a rear-stage cooling bin and a rear-stage cooling device, and the rear-stage cooling bin is communicated with the front-stage cooling bin;
the crushing mechanism is communicated with the rear-stage cooling bin;
the conveying line is at least partially communicated with the front-stage cooling bin and the rear-stage cooling bin in sequence along the conveying direction, one end of the conveying line serving as a conveying end point is in butt joint with the crushing mechanism, the front-stage cooling device is arranged in the front-stage cooling bin, the rear-stage cooling device is arranged in the rear-stage cooling bin, the front-stage cooling device and the rear-stage cooling device face the conveying line, the front-stage cooling device can carry out primary cooling treatment on materials on the conveying line, and the rear-stage cooling device can carry out further cooling treatment on the materials on the conveying line;
the post-stage cooling device comprises a plurality of post-stage cooling components and a liquid nitrogen supply component, wherein the post-stage cooling components are arranged in the post-stage cooling bin and are arranged along the conveying direction of the conveying line, the liquid nitrogen supply component is communicated with the post-stage cooling components, and the post-stage cooling components can spray the liquid nitrogen supplied by the liquid nitrogen supply component to the conveying line; the front-stage cooling device comprises a blowing component, a refrigerating component and an exhaust fan, wherein the blowing component is embedded on the front-stage cooling bin and can blow dry air into the front-stage cooling bin; the refrigerating assembly is embedded on the inner wall of the pre-stage cooling bin, can refrigerate the pre-stage cooling bin, and the exhaust fan is embedded at the bottom of the pre-stage cooling bin, so that the gas in the pre-stage cooling bin can be discharged to the outside; the post-stage cooling assembly comprises a fixed base, an annular pipe and a plurality of spray heads, wherein the fixed base is fixed below the transportation line, the annular pipe is sleeved on the transportation line and fixed with the fixed base, an annular pipeline is arranged in the annular pipe and communicated with the liquid nitrogen supply assembly, the spray heads are fixed on the inner annular surface of the annular pipe and communicated with the annular pipeline, and the spraying direction of the spray heads faces the transportation line.
2. The multi-stage cooling charged crushing device according to claim 1, wherein the blast assembly comprises a blast blower and a drying cylinder, the air outlet end of the blast blower is positioned in the pre-stage cooling bin, the air inlet end of the blast blower is positioned outside the pre-stage cooling bin and is in butt joint with one end of the drying cylinder, and the drying cylinder is filled with a drying agent.
3. The multi-stage cooling charged crushing device according to claim 1, wherein the refrigerating assembly is a plurality of semiconductor refrigerating sheets, and the semiconductor refrigerating sheets are embedded on the inner wall of the pre-stage cooling bin and are powered on to refrigerate the pre-stage cooling bin.
4. The multi-stage cooling charged crushing device according to claim 1, wherein the crushing mechanism comprises a crushing bin, a crushing assembly and a nitrogen gas input assembly, the crushing bin is in butt joint communication with the rear stage cooling bin, the crushing assembly is arranged in the crushing bin and can crush batteries, the output end of the nitrogen gas input assembly is communicated with the crushing bin, and nitrogen gas can be blown into the crushing bin.
5. The multi-stage cooling charged crushing apparatus of claim 4 wherein the crushing assembly comprises a plurality of pairs of crushing blades, the crushing blades being disposed in pairs, the oppositely disposed crushing blades being spaced apart and rotating in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491511.8A CN113145276B (en) | 2021-05-06 | 2021-05-06 | Multi-stage cooling charged crushing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491511.8A CN113145276B (en) | 2021-05-06 | 2021-05-06 | Multi-stage cooling charged crushing equipment |
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| CN113145276A CN113145276A (en) | 2021-07-23 |
| CN113145276B true CN113145276B (en) | 2023-06-20 |
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| CN113571794B (en) * | 2021-07-30 | 2023-03-28 | 格林美股份有限公司 | Charged battery crushing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4209244B2 (en) * | 2003-04-23 | 2009-01-14 | 株式会社前川製作所 | Cryogenic cooling crushing method and apparatus |
| CN101399388B (en) * | 2008-11-10 | 2010-06-02 | 天津理工大学 | Method and apparatus for breaking waste lithium ionic battery by using liquid nitrogen low temperature technique |
| CN206008963U (en) * | 2016-08-30 | 2017-03-15 | 周易 | A kind of material two-stage pre-cooler |
| CN208570846U (en) * | 2018-08-21 | 2019-03-01 | 阳江市联邦金属化工有限公司 | A kind of waste and old cobalt acid lithium battery automation dismantling recycling pretreatment system |
| CN111029677A (en) * | 2019-12-13 | 2020-04-17 | 深圳清华大学研究院 | Inactivation treatment method before crushing of waste charged soft package lithium ion battery |
| CN211376875U (en) * | 2020-02-24 | 2020-08-28 | 温县绿捷环保机械有限公司 | Lithium battery pretreatment device |
| CN111408084A (en) * | 2020-04-23 | 2020-07-14 | 江门市恒创睿能环保科技有限公司 | Device for charged crushing, fire prevention and fire extinguishment of waste lithium ion battery |
| CN112264162A (en) * | 2020-10-10 | 2021-01-26 | 英鸿纳米科技股份有限公司 | Precooling device of special low-temperature crushing system for preparing nanoscale materials |
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