CN113083862B - Dry pole piece treatment and recovery system with diaphragm and method - Google Patents
Dry pole piece treatment and recovery system with diaphragm and method Download PDFInfo
- Publication number
- CN113083862B CN113083862B CN202110408388.9A CN202110408388A CN113083862B CN 113083862 B CN113083862 B CN 113083862B CN 202110408388 A CN202110408388 A CN 202110408388A CN 113083862 B CN113083862 B CN 113083862B
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- black powder
- crusher
- sorting device
- negative pressure
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000011084 recovery Methods 0.000 title claims description 19
- 239000000843 powder Substances 0.000 claims abstract description 146
- 239000000463 material Substances 0.000 claims abstract description 129
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 47
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000005086 pumping Methods 0.000 claims abstract description 29
- 238000004064 recycling Methods 0.000 claims abstract description 27
- 229910052742 iron Inorganic materials 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000012545 processing Methods 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 21
- 238000000605 extraction Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims 1
- 239000010926 waste battery Substances 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of waste battery treatment and discloses a system and a method for treating and recycling dry pole pieces with diaphragms, wherein the system comprises a pre-crushing processor, a first conveyor, a first crusher, a material scattering machine, a first negative pressure material pumping device and a first sorting device which are connected in sequence, and a magnetic roller is arranged at the discharge end of the first conveyor so as to adsorb iron in materials; the first sorting device is used for sorting a mixture of black powder and aluminum and a diaphragm with the surface being attached with the black powder; a discharge hole of the first sorting device is sequentially connected with a second negative pressure material pumping device, a second sorting device and a powder removing machine, and the second sorting device is used for separating a diaphragm from black powder attached to the surface of the diaphragm; the other discharge hole of the first sorting device is sequentially connected with a second conveyor, a second crusher and a third sorting device, and the third sorting device is used for separating black powder from aluminum. The invention can recover the black powder, aluminum and the diaphragm respectively, has higher automation degree and avoids manual direct contact with the black powder.
Description
Technical Field
The invention relates to the technical field of waste battery treatment, in particular to a system and a method for treating and recycling a dry pole piece with a diaphragm.
Background
With the important strategic development of green energy development promoted worldwide, china also has a strong development of replacing non-renewable energy with renewable energy in the following actions of reducing pollution to the earth and deteriorating environment in the world. Automobiles are gradually developed from batteries to replace internal combustion engines, so that exhaust pollution caused by combustion is effectively reduced, and meanwhile, a great number of waste batteries, which are very common, are also generated. Lithium batteries can be classified into various types, with copper-aluminum pole pieces, with dry diaphragm black powder aluminum pole pieces, black powder and aluminum pole pieces, and the like. Different ways of handling are required for different kinds of lithium batteries.
Wherein, take dry diaphragm black powder aluminium pole piece mainly includes: diaphragm (plastic-like film), black powder (rare metal), aluminum alloy, small amount of iron. The variety of materials is very many, if the materials are manually sorted, the operation is relatively complicated and difficult, and the black powder contains rare substances harmful to human bodies, so that the black powder is not suitable for direct contact of human bodies. In addition, as the diaphragm and the black powder in the material and aluminum are treated, the black powder and the diaphragm are filled in the shell by the aluminum, and the black powder and the diaphragm are hydraulically pressed to compress the space of the pole piece, the black powder can adhere to the diaphragm, and the separation is difficult.
Disclosure of Invention
In view of the problems, the invention aims to provide a system and a method for processing and recycling a dry pole piece with a diaphragm, so as to solve the problem that in the prior art, the material separation of a black powder aluminum pole piece with the diaphragm is difficult.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the first aspect of the invention provides a dry pole piece treatment recovery system with a diaphragm, comprising:
the device comprises a pre-crushing processor, a first conveyor, a first crusher, a material scattering machine, a first negative pressure material pumping device and a first sorting device which are connected in sequence, wherein a magnetic roller is arranged at the discharge end of the first conveyor so as to adsorb iron in the material; the first sorting device is used for sorting a mixture of black powder and aluminum and a diaphragm with the surface being attached with the black powder;
a discharge hole of the first sorting device is sequentially connected with a second negative pressure pumping device, a second sorting device and a powder removing machine, wherein the second sorting device is used for separating a diaphragm from black powder attached to the surface of the diaphragm;
the other discharge port of the first sorting device is sequentially connected with a second conveyor, a second crusher and a third sorting device, wherein the third sorting device is used for separating black powder from aluminum.
Preferably, the dry pole piece processing and recycling system with the diaphragm further comprises a third negative pressure material extracting device, wherein the third negative pressure material extracting device is connected with the powder removing machine and the third sorting device and is used for extracting black powder generated in the powder removing machine and the third sorting device in a negative pressure mode.
Preferably, the fan power in the first negative pressure material extracting device is greater than the fan power in the second negative pressure material extracting device, and the fan power in the third negative pressure material extracting device is greater than the fan power in the first negative pressure material extracting device.
Preferably, the first crusher and the second crusher are hammer crushers, the rotation speed of the first crusher is smaller than that of the powder removing machine, and the rotation speed of the powder removing machine is smaller than that of the second crusher.
Preferably, the dry pole piece processing and recycling system with the diaphragm further comprises a dust removing device, and the dust removing device is connected with the first crusher, the second conveyor and the third sorting device through dust removing pipelines respectively so as to carry out dust removing treatment.
Preferably, the dry pole piece processing and recycling system with the diaphragm further comprises a water supply device, and the water supply device is connected with the first crusher, the second crusher and the powder removing machine.
The second aspect of the invention provides a method for processing and recycling a dry pole piece with a diaphragm, which comprises the following steps:
pre-crushing the dry pole piece material with the diaphragm;
conveying the material subjected to pre-crushing treatment into a first crusher by using a first conveyor, and collecting iron in the material in the conveying process;
crushing the materials conveyed by the first conveyor by using a first crusher;
breaking up the crushed materials at a high speed;
extracting the high-speed scattered materials by negative pressure, and separating the high-speed scattered materials into a mixture of black powder and aluminum by utilizing a first separation device, wherein the surface of the septum is provided with black powder;
the negative pressure extraction surface is used for extracting the diaphragm with the black powder, the diaphragm is separated from the black powder attached to the surface of the diaphragm by utilizing a second separation device, and the separated diaphragm and the black powder are scattered at a high speed so as to recover the diaphragm and the black powder respectively;
and conveying the mixture of the black powder and the aluminum to a second crusher for crushing, and enabling the crushed materials of the second crusher to enter a third sorting device, and separating the black powder from the aluminum by using the third sorting device.
Preferably, the process recovery method further includes extracting the black powder separated from the separation surface and the black powder generated in the third sorting device under negative pressure.
Preferably, the treatment and recovery method further comprises dust removal treatment of dust generated in the process of crushing, conveying and sorting the materials.
Preferably, the process recovery method further comprises cooling the first crusher and the second crusher.
Compared with the prior art, the system and the method for treating and recycling the dry pole piece with the diaphragm have the beneficial effects that:
according to the processing and recycling system for the dry pole piece with the diaphragm, provided by the embodiment of the invention, the dry pole piece with the diaphragm is subjected to sorting treatment through the first sorting device, the second sorting device and the third sorting device, and the black powder, the aluminum and the diaphragm are separated, so that the black powder, the aluminum and the diaphragm are recycled respectively. In addition, the membrane and a small amount of black powder attached to the surface of the membrane can be separated by utilizing the second separation device, so that the recovery rate of the black powder can be improved, and the requirement of new energy development on rare metals is met. The invention can automatically process the dry pole piece with the diaphragm, and has higher degree of automation, thereby saving labor cost, avoiding the direct contact of the manual work with the black powder and reducing the harm to human body.
Drawings
FIG. 1 is a schematic front view of a dry pole piece processing recovery system with a diaphragm according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a dry pole piece with diaphragm treatment recovery system according to an embodiment of the present invention;
FIG. 3 is a schematic view of a first conveyor in an embodiment of the invention;
FIG. 4 is a schematic diagram of a connection structure of a first negative pressure material extracting device, a second negative pressure material extracting device and a first sorting device in an embodiment of the present invention;
FIG. 5 is a schematic diagram of a connection structure of a second negative pressure material extracting device, a second separating device and a powder removing machine in the embodiment of the invention;
FIG. 6 is a schematic structural diagram of a third negative pressure pumping device according to an embodiment of the present invention;
FIG. 7 is a schematic view of a dust removing device according to an embodiment of the present invention;
FIG. 8 is a schematic front view of a water supply device according to an embodiment of the present invention;
FIG. 9 is a schematic side view of a water supply device in an embodiment of the present invention;
FIG. 10 is a schematic process flow diagram of an embodiment of the present invention;
FIG. 11 is a schematic flow chart of a method for processing and recycling a dry pole piece with a diaphragm according to an embodiment of the invention;
in the figure, 1, a pre-crushing processor; 2. a first conveyor; 21. a belt; 22. a first driving motor; 23. a magnetic roller; 24. an ash leakage groove; 3. a first crusher; 4. a material scattering machine; 5. the first negative pressure material pumping device; 501. a first cyclone collection hopper; 502. a first fan; 503. a first fan is closed; 6. a first sorting device; 7. a second negative pressure pumping device; 701. a second cyclone collecting hopper; 702. a second fan; 703. a second fan is turned off; 8. a second sorting device; 9. a powder removing machine; 10. a second conveyor; 101. a third fan is turned off; 11. a second crusher; 12. a third sorting device; 121. a feeding machine; 13. a third negative pressure pumping device; 131. a third cyclone collecting hopper; 132. a third fan; 14. a dust removal device; 141. a pulse dust collector; 142. a dust exhaust fan; 143. a dust removal pipeline; 144. fourth, turning off the fan; 15. a water supply device; 151. a water pump; 152. a water pipe; 153. a water storage tank; 154. and a sewage outlet.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 and fig. 2, the processing and recycling system for dry pole pieces with diaphragms according to the preferred embodiment of the present invention includes a pre-crushing processor 1, a first conveyor 2, a first crusher 3, a material breaker 4, a first negative pressure material pumping device 5 and a first sorting device 6, which are sequentially connected, wherein the pre-crushing processor 1 is used for pre-crushing an original material, the original material is dry pole pieces with diaphragms, and the size of the material after the pre-crushing is about 40x30x10 mm; the first conveyor 2 is used for conveying the pre-crushed materials to the first crusher 3, wherein the feeding end of the first conveyor 2 is connected with the discharging port of the pre-crushing processor 1, the discharging end of the first conveyor 2 is connected with the feeding port of the first crusher 3, and the discharging end of the first conveyor 2 is provided with a magnetic roller so as to absorb iron in the materials by utilizing the magnetic roller, thereby achieving the aim of removing iron; the first crusher 3 is used for further crushing materials, the crushed materials are granular, and the diameter of the materials is about 10 mm; the first negative pressure extraction device is connected with a discharge port of the first crusher 3 so as to extract the materials crushed by the first crusher 3 to the first sorting device 6 under negative pressure for sorting treatment; the feeding port of the first sorting device 6 is connected with a first negative pressure extraction device, and the first sorting device 6 is used for sorting materials into a mixture of black powder and aluminum and a diaphragm with the surface attached with the black powder; a discharge hole of the first sorting device 6 is sequentially connected with a second negative pressure material pumping device 7, a second sorting device 8 and a powder removing machine 9, wherein the second negative pressure material pumping device 7 is used for pumping the diaphragm with the black powder on the surface to the second sorting device 8 according to the negative pressure of the diaphragm so as to sort the diaphragm and the black powder attached to the surface of the diaphragm; the second separation device 8 is connected with a discharge hole of the second negative pressure material pumping device 7, and the second separation device 8 is used for separating a diaphragm from black powder attached to the surface of the diaphragm; the powder removing machine 9 is connected with a discharge hole of the second separating device 8 to further scatter the diaphragm and the black powder attached to the surface of the diaphragm in a high degree, so that the diaphragm and the black powder are thoroughly separated; the other discharge port of the first sorting device 6 is sequentially connected with a second conveyor 10, a second crusher 11 and a third sorting device 12, wherein the second conveyor 10 conveys the mixture of the black powder and the aluminum into the second crusher 11 for crushing treatment; the second crusher 11 is used for crushing the materials into powder so as to further separate the black powder and the aluminum; the third sorting device 12 is connected with the discharge port of the second crusher 11, and the third sorting device 12 is used for separating black powder and aluminum.
According to the invention, the dry pole piece with the diaphragm is subjected to separation treatment by the first separation device 6, the second separation device 8 and the third separation device 12, and the black powder, aluminum and the diaphragm are separated, so that the black powder, aluminum and the diaphragm are recovered respectively. In addition, the invention can separate the diaphragm and the black powder attached to the surface of the diaphragm by utilizing the second separating device 8, thereby improving the recovery rate of the black powder and meeting the requirement of rare metals in new energy development. The invention can automatically process the dry pole piece with the diaphragm, and has higher degree of automation, thereby saving labor cost, avoiding the direct contact of the manual work with the black powder and reducing the harm to human body.
In the present invention, the first separator 6 mainly separates aluminum from the diaphragm, the second separator 8 mainly separates the diaphragm from the black powder, and the third separator 12 mainly separates aluminum from the black powder, and the separation effect of the present invention is better than the effect of uniformly separating the black powder, aluminum and diaphragm.
In this embodiment, the pre-shredding machine 1 is a dual-shaft shredder 1.
In this embodiment, the first conveyor 2 is a magnetic roller conveyor 23. As shown in fig. 3, the magnetic roller conveyor 23 includes a belt 21, a magnetic roller 23, a first driving motor 22 and an ash leakage groove 24, wherein the first driving motor 22 is connected with the magnetic roller 23 to drive the magnetic roller 23 to rotate; the belt 21 is arranged on the magnetic roller 23 to drive the material along with the rotation of the magnetic roller 23; an ash chute 24 is provided below the belt 21 to collect iron in the material. Iron blocks in the material are adsorbed on the surface by the magnetic roller 23, and when the iron blocks are driven to the upper part of the ash leakage groove 24 along with the belt 21, the iron blocks fall into the ash leakage groove 24 due to the fact that the iron blocks lose the magnetic adsorption of the magnetic roller 23.
In this embodiment, the first crusher 3 is a hammer crusher, and crushes materials in a beating manner. The material scattering machine 4 is an eddy current material scattering machine 4.
As shown in fig. 4 to 5, the first negative pressure material extracting device 5 includes a first cyclone collecting hopper 501 and a first fan 502, where the first fan 502 is a high pressure fan, and negative pressure is formed in the first cyclone collecting hopper 501, so as to extract negative pressure of the material into the first cyclone collecting hopper 501 for collecting. Further, a first air shut-off fan 503 is provided at the discharge port of the first cyclone collecting hopper 501 to reduce the loss of air quantity and maintain the corresponding material storage space in the first cyclone collecting hopper 501. The material collected in the first cyclone collection hopper 501 enters the first sorting device 6 through the first shut-off fan 503. At this time, the materials collected in the first cyclone collecting hopper 501 are dry pole piece materials with a diaphragm after being scattered at a high speed, and the dry pole piece materials comprise black powder, aluminum and a diaphragm with the surface being adhered with the black powder.
In this embodiment, the first sorting device 6 is a zigzag sorter, and an internal channel thereof is zigzag; the second negative pressure material extracting device 7 comprises a second cyclone collecting hopper 701 and a second fan 702, wherein the second fan 702 is a high-pressure fan so as to form negative pressure in the second cyclone collecting hopper 701, and thus the negative pressure of the material is extracted into the second cyclone collecting hopper 701; the second cyclone collecting hopper 701 is connected with the upper part of the zigzag sorting machine through an interface, the fan port of the second fan 702 is connected with the lower part of the zigzag sorting machine through an interface, the discharge port of the second cyclone collecting hopper 701 is arranged above the second sorting device 8, and the discharge port of the second cyclone collecting hopper 701 is provided with a second fan 703. The first separator 6 separates aluminum from a diaphragm mainly by utilizing the difference in specific gravity between aluminum and the diaphragm. Likewise, the discharge port of the second cyclone collecting hopper 701 is provided with a second shutter 703 to reduce loss of air quantity and maintain a corresponding space in the second cyclone collecting hopper 701. The material collected in the second cyclone collection hopper 701 enters the second separator device 8 through the second shutter 703. At this time, the material collected in the second cyclone hopper 701 includes a diaphragm and black powder attached to the surface of the diaphragm.
In this embodiment, the second sorting device 8 and the third sorting device 12 are both vibrating screens to vibrate and disperse the materials. The second sorting device 8 and the third sorting device 12 are substantially identical in structure. Since the discharge of the second separator device 8 is relatively fast and the vibration is relatively intensive, the holes of the screen are relatively small. Since the discharge of the third sorting device 12 is relatively gentle, the vibration frequency of the third sorting device 12 is smaller than that of the second sorting device 8, and the mesh size of the screen in the third sorting device 12 is larger than that of the screen in the second sorting device 8, so that the collection of materials is facilitated. In the embodiment, the power of the second separation device 8 is 2.2KW, the screen mesh is 120 meshes, and the inclination angle of the screen mesh is 55 degrees; the power of the third classifier 12 was 1.5KW, the mesh size was 100 mesh, and the inclination angle of the mesh was 3 °.
In this embodiment, the second conveyor 10 is a buried scraper conveyor, and the feed of the buried scraper conveyor includes aluminum and a large amount of black powder; the feeding end of the buried scraper conveyor is arranged below the discharging port of the first sorting device 6 and is in butt joint with the first sorting device 6; the discharge end of the buried scraper conveyor is arranged above the feed inlet of the second crusher 11. In this embodiment, the buried scraper conveyor is further provided with a feeding port that is in butt joint with the powder remover 9, so as to receive the unqualified black powder processed by the powder remover 9, so that the unqualified black powder is conveyed to the second crusher 11 for further crushing treatment. Here, the term "defective" means that the size did not meet the set requirements after the powder removing machine 9 was used. The buried scraper conveyor is also provided with a dust removal interface connected with a dust removal pipeline 143.
In this embodiment, a third fan 101 is further disposed between the second conveyor 10 and the second crusher 11, so as to facilitate the transfer of the material in the second conveyor 10 into the second crusher 11.
In this embodiment, the second crusher 11 is a hammer crusher and is a fine crusher to crush the material into powder particles by beating.
Preferably, the rotation speed of the first crusher 3 is smaller than the rotation speed of the powder removing machine 9, and the rotation speed of the powder removing machine 9 is smaller than the rotation speed of the second crusher 11, so that a stepped rotation speed variation trend is formed, and the recovery rate of the black powder is improved. In this embodiment, the rotation speed of the first crusher 3 is 1100r/s, the rotation speed of the vortex bulk material machine is 1100r/s, the rotation speed of the powder removing machine 9 is 1480r/s, and the rotation speed of the second crusher 11 is 1864r/s.
In this embodiment, the processing and recycling system for dry pole pieces with diaphragms further includes a feeding machine 121 connected to a discharge port of the third sorting device 12, so as to convey aluminum to a certain height, and facilitate collection and packaging. In this embodiment, the feeding machine 121 is a screw feeding machine 121.
In this embodiment, the processing and recycling system of the dry pole piece with the diaphragm further includes a third negative pressure material extracting device 13, where the third negative pressure material extracting device 13 is connected to the powder removing machine 9 and the third sorting device 12, and is used for extracting the black powder generated in the powder removing machine 9 and the third sorting device 12 under negative pressure. As shown in fig. 6, the third negative pressure material extracting device 13 includes a third cyclone collecting hopper 131 and a third fan 132, the third fan 132 is a high pressure fan, and negative pressure is formed in the third cyclone collecting hopper 131 to extract the negative pressure of the material into the third cyclone collecting hopper 131 for collection. At this time, the material collected in the third cyclone collecting hopper 131 includes only the black powder, and the collection of the black powder is achieved.
As the pumping distance of the first negative pressure pumping device 5 is longer and the discharged materials of the first crusher 3 are more, the materials crushed by the first crusher 3 reach the output of 2.2-2.5 tons per hour; in addition, the third negative pressure material extracting device 13 needs to extract the black powder separated in the powder removing machine 9 and the black powder separated by the third sorting device 12, preferably, the fan power in the first negative pressure material extracting device 5 is greater than the fan power in the second negative pressure material extracting device 7, so as to avoid that the second negative pressure material extracting device 7 affects the work of the first negative pressure material extracting device 5 on the extraction of materials; the fan power in the third negative pressure material drawing device 13 is larger than the fan power in the first negative pressure material drawing device 5, so that higher yield is achieved, and the black powder recovery efficiency is improved. In this embodiment, the fan power in the first negative pressure material drawing device 5 is 5.5kW, the fan power in the second negative pressure material drawing device 7 is 3kW, and the fan power in the third negative pressure material drawing device 13 is 7.5kW.
In this embodiment, the system for treating and recycling dry pole pieces with diaphragms further includes a dust removing device 14, where the dust removing device 14 is connected to the first crusher 3, the second conveyor 10, and the third sorting device 12 through dust removing pipes 143, respectively, so as to perform dust removing treatment. As shown in fig. 7, the dust removing device 14 includes a dust exhaust fan 142 and a pulse dust collector 141, wherein the pulse dust collector 141 is connected with the first crusher 3, the second conveyor 10 and the third sorting device 12 through a dust removing pipe 143 to collect and purify dust generated by each device; the dust exhaust fan 142 is connected to the pulse dust collector 141 to exhaust the air purified by the pulse dust collector 141. Further, a fourth shutter 144 is provided under the hopper of the pulse dust collector 141 to better collect dust.
In this embodiment, the system for treating and recycling dry pole pieces with diaphragms further includes a water supply device 15, and the water supply device 15 is connected with the first crusher 3, the second crusher 11 and the powder removing machine 9. As shown in fig. 8 and 9, the water supply device 15 includes a water pump 151, a water pipe 152 and a water storage tank 153, wherein the water storage tank 153 is used for storing a water source, the water pipe 152 is connected with the first crusher 3, the second crusher 11 and the powder removing machine 9, the water pump 151 is used for discharging the water pump 151 in the water storage tank 153 and transmitting the water pump 151 to corresponding equipment through the water pipe 152, so as to perform cooling treatment on a high-speed bearing in the equipment, and ensure that the bearing does not generate heat at high temperature. The water tank 153 is provided with a connection port connected to an external water source and a drain 154.
The following describes the operation of the present invention with reference to fig. 10:
firstly, pre-crushing the pole piece by using a pre-crushing processor 1 to crush the pole piece into materials with the thickness of 40x30x10 mm; then, the material is conveyed to the first crusher 3 for crushing by the first conveyor 2 with the magnetic roller 23, the material is deironized while being conveyed, the head position of the first conveyor 2 is provided with a magnetic roller, the belt 21 is driven while the iron in the material is absorbed by the magnetic roller, and the iron is brought into the ash leakage groove 24 along with the driving of the belt 21, so that the iron in the material is collected. The materials crushed by the first crusher 3 are about 10mm, and the materials are scattered at a high speed in the vortex bulk machine after crushing. Then, the materials are pumped into a first cyclone collecting hopper 501 by a first negative pressure pumping device 5 in a negative pressure mode, and the materials in the first cyclone collecting hopper 501 enter a Z-shaped sorting machine through a first fan 503 arranged below the first cyclone collecting hopper; in the Z-shaped sorting machine, a large amount of black powder and aluminum fall into a buried scraper conveyor below, a diaphragm and black powder attached to the surface of the diaphragm are pumped away by a second negative pressure pumping device 7, collected by a second cyclone collecting hopper 701 in the second negative pressure pumping device 7, fall into a second sorting device 8 through a second fan 703 and are subjected to vibration screening, and the diaphragm and a small amount of black powder attached to the surface of the diaphragm are separated in a vibration mode; then the powder is scattered at high speed by a powder removing machine 9 to separate a diaphragm and other small amount of black powder attached to the surface of the diaphragm; meanwhile, the buried scraper conveyor feeds a large amount of mixture of black powder and aluminum into the second crusher 11 to further crush the material into a powder state; discharging the materials from the second crusher 11 to the third sorting device 12 for vibration screening, separating black powder and aluminum in a vibration mode, and collecting the aluminum through the spiral feeder 121; finally, the black powder separated by the third sorting device 12 is extracted and collected by the third negative pressure extracting device 13. Wherein, the dust generated in the process of crushing the materials by the first crusher 3, the process of conveying the materials by the second conveyor 10, the process of screening the materials by the third sorting device 12 and the process of extracting the materials by the third negative pressure extracting device 13 all enter the pulse dust removing device 14 through the dust removing pipeline 143 for treatment, and the treated dust is discharged to reach the standard.
As shown in fig. 11, a method for processing and recovering a dry pole piece with a diaphragm according to an embodiment of the present invention includes:
step S1, pre-crushing the material with the diaphragm dry pole piece, wherein the pre-crushing treatment can be performed in a pre-crushing processor 1 to crush the material into about 40x30x10 mm;
step S2, conveying the pre-crushed material into a first crusher 3 by using a first conveyor 2, and collecting iron in the material in the conveying process, wherein a magnetic roller is arranged at the discharge end of the first conveyor 2 so as to adsorb the iron in the material;
step S3, crushing the materials conveyed by the first conveyor 2 by using a first crusher 3, wherein the size of the crushed materials is about 10 mm;
s4, scattering the crushed materials at a high speed, wherein the scattering can be performed in a vortex bulk machine;
s5, extracting the high-speed scattered materials under negative pressure, and separating the high-speed scattered materials into a mixture of black powder and aluminum by using a first separation device 6, wherein the surface of the separator is provided with a diaphragm with the black powder;
s6, extracting the diaphragm with the black powder on the surface by negative pressure, separating the diaphragm from the black powder attached to the surface of the diaphragm by using a second separating device 8, and scattering the separated diaphragm and the black powder at high speed to recover the diaphragm and the black powder respectively;
and S7, conveying the mixture of the black powder and the aluminum to a second crusher 11 for crushing, and feeding the crushed material of the second crusher 11 into a third sorting device 12, and separating the black powder and the aluminum by the third sorting device 12 to recover the black powder and the aluminum respectively.
In the present invention, step S6 and step S7 may be performed simultaneously or sequentially.
In this embodiment, the treatment recovery method further includes step S8, extracting the black powder generated in the powder removing machine 9 and the third sorting device 12 under negative pressure, so as to recover the black powder and improve the recovery rate of the black powder.
In the embodiment, in step S5, since the distance for pumping the material is long, and the material crushed by the first crusher 3 is more, the fan power during negative pressure pumping is set to be 5.5kW; in the step S6, the power of the fan in the negative pressure extraction is 3kW so as not to influence the negative pressure extraction in the step S5; in step S8, since the black powder generated in the powder separator 9 and the third sorting device 12 are required to be collected at the same time, the fan power at the time of negative pressure extraction is set to 7.5kW to achieve higher yield.
In this embodiment, the treatment and recovery method further includes dust removal treatment of dust generated in the process of crushing, conveying and sorting materials, so as to avoid dust pollution to the environment, and after the purification treatment of the dust-containing gas, the gas is discharged to reach the standard.
In this embodiment, the treatment recovery method further includes cooling the first crusher 3 and the second crusher 11 to avoid high temperature heat generation of bearings in the first crusher 3 and the second crusher 11, which affects bearing life.
It should be noted that, other embodiments of the method for processing and recycling a dry pole piece with a diaphragm of the present invention are substantially the same as the embodiments of the system for processing and recycling a dry pole piece with a diaphragm described above, and are not described herein.
In summary, the embodiment of the invention provides a system and a method for processing and recycling dry pole pieces with diaphragms, which are used for separating black powder, aluminum and diaphragms through the arranged first separation device 6, the second separation device 8 and the third separation device 12 so as to be convenient for respectively recycling the black powder, the aluminum and the diaphragms. In addition, the invention can separate the diaphragm and the black powder attached to the surface of the diaphragm by utilizing the second separating device 8, thereby improving the recovery rate of the black powder and meeting the requirement of rare metals in new energy development. The invention can automatically process the dry pole piece with the diaphragm, and has higher degree of automation, thereby saving labor cost, avoiding the direct contact of the manual work with the black powder and reducing the harm to human body. The aluminum and the diaphragm in the material collected by the final black powder basically account for about 1.5 percent, and the total proportion of nickel, cobalt and manganese in the aluminum powder after fine crushing is as follows: less than or equal to 5 percent, and the diaphragm removing rate is as follows: more than or equal to 98.5 percent, and the proportion of aluminum in the diaphragm is as follows: less than or equal to 3 percent.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (10)
1. The utility model provides a take diaphragm dry pole piece processing recovery system which characterized in that includes:
the device comprises a pre-crushing processor, a first conveyor, a first crusher, a material scattering machine, a first negative pressure material pumping device and a first sorting device which are connected in sequence, wherein a magnetic roller is arranged at the discharge end of the first conveyor so as to adsorb iron in the material; the first sorting device is used for sorting a mixture of black powder and aluminum and a diaphragm with the surface being attached with the black powder;
a discharge hole of the first sorting device is sequentially connected with a second negative pressure pumping device, a second sorting device and a powder removing machine, wherein the second sorting device is used for separating a diaphragm from black powder attached to the surface of the diaphragm;
the other discharge port of the first sorting device is sequentially connected with a second conveyor, a second crusher and a third sorting device, wherein the third sorting device is used for separating black powder from aluminum;
the first sorting device is a Z-shaped sorting machine, the second negative pressure material pumping device comprises a second cyclone collecting hopper and a second fan, the second cyclone collecting hopper is connected with the upper interface of the Z-shaped sorting machine, the fan port of the second fan is connected with the lower interface of the Z-shaped sorting machine, and the discharge port of the second cyclone collecting hopper is arranged above the second sorting device; and a feeding port which is in butt joint with the powder removing machine is further formed in the second conveyor so as to receive unqualified black powder after being processed by the powder removing machine.
2. The dry pole piece processing and recycling system with diaphragm according to claim 1, further comprising a third negative pressure pumping device connected with the powder removing machine and the third sorting device for negative pressure pumping of the black powder generated in the powder removing machine and the third sorting device.
3. The dry pole piece processing and recycling system with diaphragm according to claim 2, wherein the fan power in the first negative pressure pumping device is greater than the fan power in the second negative pressure pumping device, and the fan power in the third negative pressure pumping device is greater than the fan power in the first negative pressure pumping device.
4. The dry pole piece processing and recycling system with a diaphragm according to claim 1, wherein the first crusher and the second crusher are hammer type crushers, the rotating speed of the first crusher is smaller than that of a powder removing machine, and the rotating speed of the powder removing machine is smaller than that of the second crusher.
5. The dry pole piece processing and recycling system with diaphragm according to claim 1, further comprising a dust removing device, wherein the dust removing device is connected with the first crusher, the second conveyor and the third sorting device through dust removing pipelines respectively to perform dust removing treatment.
6. The dry pole piece with diaphragm treatment recovery system of claim 1, further comprising a water supply device connected to the first crusher, the second crusher, and the de-powdering machine.
7. A method of handling and recycling a dry pole piece with a diaphragm of the handling and recycling system for dry pole pieces with a diaphragm of claim 1, comprising:
pre-crushing the dry pole piece material with the diaphragm;
conveying the material subjected to pre-crushing treatment into a first crusher by using a first conveyor, and collecting iron in the material in the conveying process;
crushing the materials conveyed by the first conveyor by using a first crusher;
breaking up the crushed materials at a high speed;
extracting the high-speed scattered materials by negative pressure, and separating the high-speed scattered materials into a mixture of black powder and aluminum by utilizing a first separation device, wherein the surface of the septum is provided with black powder;
the negative pressure extraction surface is used for extracting the diaphragm with the black powder, the diaphragm is separated from the black powder attached to the surface of the diaphragm by utilizing a second separation device, and the separated diaphragm and the black powder are scattered at a high speed so as to recover the diaphragm and the black powder respectively;
and conveying the mixture of the black powder and the aluminum to a second crusher for crushing, and enabling the crushed materials of the second crusher to enter a third sorting device, and separating the black powder from the aluminum by using the third sorting device.
8. The method for processing and recycling a dry pole piece with a diaphragm according to claim 7, further comprising extracting the black powder separated from the separation surface and the black powder generated in the third sorting device under negative pressure.
9. The method for processing and recycling the dry pole piece with the diaphragm according to claim 7, further comprising dust removal treatment of dust generated in the process of crushing, conveying and sorting materials.
10. The method of claim 7, further comprising cooling the first crusher and the second crusher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110408388.9A CN113083862B (en) | 2021-04-14 | 2021-04-14 | Dry pole piece treatment and recovery system with diaphragm and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110408388.9A CN113083862B (en) | 2021-04-14 | 2021-04-14 | Dry pole piece treatment and recovery system with diaphragm and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113083862A CN113083862A (en) | 2021-07-09 |
| CN113083862B true CN113083862B (en) | 2024-02-23 |
Family
ID=76678042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110408388.9A Active CN113083862B (en) | 2021-04-14 | 2021-04-14 | Dry pole piece treatment and recovery system with diaphragm and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113083862B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991203B (en) * | 2021-10-20 | 2024-12-24 | 广州市联冠机械有限公司 | A recycling device for waste charged lithium batteries |
| CN118847313A (en) * | 2024-07-12 | 2024-10-29 | 山东浩纳机械设备有限公司 | A high-purity and high-powder removal equipment for battery pole pieces |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985714A (en) * | 2019-04-04 | 2019-07-09 | 广州市联冠机械有限公司 | It is a kind of for screening the device and its technique of black powder and copper aluminium in old and useless battery |
| CN111282956A (en) * | 2020-02-19 | 2020-06-16 | 江苏鼎健环保科技有限公司 | Efficient and environment-friendly waste lithium ion battery recovery treatment process |
| CN112121978A (en) * | 2020-09-29 | 2020-12-25 | 美新源环保产业有限公司 | Processing technology and processing equipment for pole piece crushing and sorting |
| CN215089703U (en) * | 2021-04-14 | 2021-12-10 | 广州市联冠机械有限公司 | Take diaphragm dry pole piece to handle recovery system |
-
2021
- 2021-04-14 CN CN202110408388.9A patent/CN113083862B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985714A (en) * | 2019-04-04 | 2019-07-09 | 广州市联冠机械有限公司 | It is a kind of for screening the device and its technique of black powder and copper aluminium in old and useless battery |
| CN111282956A (en) * | 2020-02-19 | 2020-06-16 | 江苏鼎健环保科技有限公司 | Efficient and environment-friendly waste lithium ion battery recovery treatment process |
| CN112121978A (en) * | 2020-09-29 | 2020-12-25 | 美新源环保产业有限公司 | Processing technology and processing equipment for pole piece crushing and sorting |
| CN215089703U (en) * | 2021-04-14 | 2021-12-10 | 广州市联冠机械有限公司 | Take diaphragm dry pole piece to handle recovery system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113083862A (en) | 2021-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215089703U (en) | Take diaphragm dry pole piece to handle recovery system | |
| CN111872021B (en) | Environment-friendly waste lithium battery recovery processing system | |
| CN105826629B (en) | A kind of waste lithium cell full constituent feed separation collection device and method | |
| CN105811040B (en) | A kind of lithium battery, which crushes, disassembles recovery method | |
| CN101716588A (en) | Waste circuit board recovery system | |
| CN102279552B (en) | Method and device for recovering waste and old selenium drums | |
| CN112718800A (en) | Recovery processing method of waste lithium battery | |
| CN113083862B (en) | Dry pole piece treatment and recovery system with diaphragm and method | |
| CN115608493A (en) | Complete equipment for charged crushing and sorting of waste lithium batteries | |
| CN115301701A (en) | Waste lithium battery crushing and sorting process | |
| CN216389511U (en) | Recovery processing device of waste charged lithium battery | |
| CN113058733A (en) | A production line for environmentally friendly recycling of waste lithium batteries | |
| CN211629249U (en) | Broken production line of retrieving of lithium cell positive plate | |
| CN209124390U (en) | Lithium battery processing mixing screening plant | |
| CN205289213U (en) | Comprehensive environmental protection recycling processed system of old and useless oil filter and metal drum | |
| CN113991203B (en) | A recycling device for waste charged lithium batteries | |
| CN107394301A (en) | A kind of waste and old electrokinetic cell physiochemical mutagens technique | |
| CN214916998U (en) | Waste lithium battery recovery processing production line | |
| CN104183885B (en) | The recovery system of lead plaster on a kind of useless pole plate | |
| CN206030304U (en) | A device is smashed to old and useless rubber for reclaimed rubber processes usefulness | |
| CN208208920U (en) | A kind of lithium battery processing system | |
| CN215430767U (en) | Waste dry battery pole piece processing and recycling system | |
| CN219943193U (en) | Battery crushing pyrolysis powder sorting system | |
| CN118299706A (en) | Recycling device for harmless treatment of waste lithium batteries | |
| CN113145614A (en) | System and method for treating and recycling waste dry battery pole pieces |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |