CN217313772U - Air blowing device and airflow crushing system - Google Patents
Air blowing device and airflow crushing system Download PDFInfo
- Publication number
- CN217313772U CN217313772U CN202221055671.4U CN202221055671U CN217313772U CN 217313772 U CN217313772 U CN 217313772U CN 202221055671 U CN202221055671 U CN 202221055671U CN 217313772 U CN217313772 U CN 217313772U
- Authority
- CN
- China
- Prior art keywords
- classifier
- jet milling
- filter cloth
- air
- top end
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- 238000007664 blowing Methods 0.000 title claims abstract description 20
- 238000010902 jet-milling Methods 0.000 claims abstract description 38
- 239000004744 fabric Substances 0.000 claims abstract description 30
- 239000000428 dust Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 abstract description 18
- 239000002245 particle Substances 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000010298 pulverizing process Methods 0.000 description 5
- 239000010963 304 stainless steel Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000572 Lithium Nickel Cobalt Manganese Oxide (NCM) Inorganic materials 0.000 description 1
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 description 1
- FBDMTTNVIIVBKI-UHFFFAOYSA-N [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] Chemical compound [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] FBDMTTNVIIVBKI-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Images
Classifications
-
- 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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- Disintegrating Or Milling (AREA)
Abstract
The utility model provides a blowing device and an airflow crushing system, which comprises an airflow crushing classifier, wherein the top end of the airflow crushing classifier is covered with a filter cloth, and the surface of the side, away from the airflow crushing classifier, of the filter cloth is covered with a filter plate with holes; through intermittent air blowing, particles with smaller granularity or accumulated materials with sticky surfaces above the cavity of the classifier are crushed by the cleaning airflow, so that the classifier wheel is prevented from being stuck, and the motor is enabled to normally run; the filter cloth and the filter plate with holes can perform grading to prevent powder from entering an air pipe and enable air to smoothly enter a cavity of the jet milling grader; the diameter of the filter cloth is larger than the diameter of the port at the top end of the jet milling classifier, and when the classifier cover plate is screwed with the port at the top end of the jet milling classifier, the filter cloth can be clamped, so that the filter cloth is positioned, and the filter plate with holes is also positioned.
Description
Technical Field
The utility model relates to a lithium ion battery material field especially relates to a gas blowing device and jet milling system.
Background
With the rapid development of new energy industries in recent years, lithium battery industries represented by lithium ion batteries have made great progress, especially for positive electrode materials of key parts of lithium ion batteries. The types of the anode materials are various, such as lithium iron phosphate, lithium manganate, lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminate and the like, in the whole process flow, after high-temperature sintering is finished, both polycrystalline balls and single crystal particles are agglomerated, and the battery is tested after being crushed. The comminution apparatus usually used in the pilot plant stage is a jet mill. The jet mill is based on the principle that dry compressed air is ejected at high speed through a nozzle to drive the granular material to move at high speed so as to collide and rub the granular material for crushing. The crushed material passes through the classification zone and is collected by a cyclone collector.
However, because the jet mill is driven by the air pressure from bottom to top to make the materials collide with each other in the pulverizing cavity to achieve the pulverizing effect, when the jet mill is used for pulverizing the materials with smaller particle size or sticky surface, the materials are accumulated above the jet mill cavity under the driving of the grinding air pressure, and even the grading wheel is blocked in severe cases, so that the motor stops rotating, the materials cannot enter the cyclone separation bin, the grading motor is damaged, the productivity is reduced, the time required by material pulverizing is too long, the materials are exposed too long, the content of residual alkali on the surface is increased, and the homogenization of the battery is very unfavorable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to above-mentioned prior art not enough, provide a gas blowing device and jet milling system, can clear away the long-pending material in jet milling intracavity top, protect hierarchical motor steady operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a gas blowing device, including the jet milling grader, the top of jet milling grader covers there is the filter cloth, the filter cloth with the surface covering that the jet milling grader leaves one side has foraminiferous filter plate.
Furthermore, a grader cover plate is arranged on the surface of one side, away from the filter cloth, of the filter plate with the holes.
Further, the grader cover plate is screwed with the top end of the jet milling grader through threads.
Further, an air inlet is formed in the top end of the grader cover plate and communicated with the electromagnetic pulse valve and the compressed air tank sequentially through an air pipe.
Further, the compressed air tank is communicated with the air tank.
Further, the diameter of the filter cloth is larger than the end caliber of the top end of the jet milling classifier.
Further, the airflow crushing system comprises a blowing device and a cyclone collector, wherein one side of the cyclone collector is communicated with one side of the airflow crushing classifier, the other side of the cyclone collector is communicated with one side of the pulse dust collector, and the other side of the airflow crushing classifier is communicated with the feeding system.
Further, the other side of the pulse dust collector is connected with a draught fan.
The utility model has the advantages that: through intermittent air blowing, particles with smaller granularity or accumulated materials with sticky surfaces above the cavity of the classifier are crushed by the cleaning airflow, so that the classifier wheel is prevented from being blocked, and the motor is enabled to normally run;
the filter cloth and the filter plate with holes can perform grading to prevent powder from entering an air pipe and enable air to smoothly enter a cavity of the jet milling grader;
the diameter of the filter cloth is larger than the diameter of the port at the top end of the jet milling classifier, and when the classifier cover plate is screwed with the port at the top end of the jet milling classifier, the filter cloth can be clamped, so that the filter cloth is positioned, and the filter plate with holes is also positioned.
Drawings
FIG. 1 is a schematic view of an explosion structure of an air blowing device according to the present invention;
FIG. 2 is a schematic view of an installation structure of the blowing device of the present invention;
fig. 3 is a schematic structural diagram of an air flow pulverizing system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 and 2, an air blowing device includes an air flow crushing classifier 2, a filter cloth 201 is covered on the top end of the air flow crushing classifier 2, and a filter plate 202 with holes is covered on the surface of the filter cloth 201 on the side away from the air flow crushing classifier 2.
And a grader cover plate 203 is arranged on the surface of one side, away from the filter cloth 201, of the perforated filter plate 202.
The classifier cover plate 203 is screwed with the top end of the jet milling classifier 2 through threads.
The top end of the grader cover plate 203 is provided with an air inlet 204, and the air inlet 204 is communicated with the electromagnetic pulse valve 7 and the compressed air tank 8 in sequence through an air pipe.
The compressed air tank 8 is in communication with the air tank.
In a possible implementation mode, as the top end of the jet milling classifier 2 is communicated with the electromagnetic pulse valve 7 and the compressed air tank 8, gas enters the classifier cover plate 203 from a gas pipe after passing through the electromagnetic pulse valve 7 and the compressed air tank 8, and enters the jet milling classifier 2 after passing through the filter plate 202 with holes and the filter cloth 201; the accumulated material in the cavity of the airflow crushing classifier 2 can be blown away, the accumulated material is prevented from being clamped in the airflow crushing classifier 2, and the stop of the classifying wheel is prevented.
In addition, the filter cloth 201 can prevent powder from entering the air pipe;
the filter plate 202 with holes can perform a classifying and filtering function on powder, and can provide a passage for gas to enter the cavity of the jet milling classifier 2.
In one possible implementation, during installation, the filter cloth 201 is covered on the top end of the jet milling classifier 2, then the perforated filter plate 202 is covered on the surface of the filter cloth 201, the classifier cover plate 203 is internally provided with threads, the outer wall of the top end of the jet milling classifier 2 is provided with threads, the threads of the classifier cover plate 203 are rotatably connected with the threads of the outer wall of the top end of the jet milling classifier 2, and therefore the perforated filter plate 202 and the filter cloth 201 are fixed with the top end of the jet milling classifier 2.
In one possible implementation, the diameter of the filter cloth 201 is larger than the pipe diameter of the top end of the jet mill classifier 2, i.e., the filter cloth 201 is placed between the outer wall of the top end of the jet mill classifier 2 and the inner wall of the classifier cover plate 203. Therefore, the filter cloth 201 covers the outer wall of the top end of the jet milling classifier 2, and when the classifier cover plate 203 is in rotary connection with the outer wall of the top end of the jet milling classifier 2, the filter cloth 201 can be clamped, so that the filter plate 202 with the holes is stably installed.
Further, the diameter of the perforated filter plate 202 is the same as that of the top end of the jet mill classifier 2, that is, the perforated filter plate 202 can be placed on the pipe wall surface of the top end of the jet mill classifier 2.
Wherein, the model of the electromagnetic pulse valve 7 is: right-angle valve DMF-Z-25
The type of the compressed air tank 8 is: a 10L compressed air tank made of carbon steel (Q235B), working pressure less than 1.25Mpa, length 350mm, diameter 160mm,
referring to fig. 3, a jet milling system comprises a blowing device and a cyclone collector 3, wherein one side of the cyclone collector 3 is communicated with one side of a jet milling classifier 2, the other side of the cyclone collector 3 is communicated with one side of a pulse dust collector 4, and the other side of the jet milling classifier 2 is communicated with a feeding system 1.
And the other side of the pulse dust collector 4 is connected with an induced draft fan 6.
In a possible implementation mode, materials are put into the feeding system 1, are driven by a feeding motor to realize spiral feeding into a cavity of the classifier 2, and collide with each other in the cavity through an air nozzle connected to the bottom, the materials reaching the specified particle size enter the bottom of the cyclone collector 3 from a gap of the classifying wheel and are collected (the classifying wheel is driven by the classifying motor), the materials not reaching the specified particle size continue to collide with the qualified particle size in the cavity of the classifier 2, and fine dust in the qualified materials is pumped away by the pulse dust collector 4 when reaching the cyclone collector 3. The induced draft fan 6 provides suction for the dust remover.
The type of the feeding system 1 is as follows: 5L's feeding chamber, the material is 304 stainless steel, feed motor model: new diamond YS series IP54 three-phase asynchronous motor (rated voltage AC220V/380V, rated power 50Hz)
The model of the jet milling grader 2 is a 304 stainless steel grading cavity with the diameter of 20cm and the height of 50cm, and the model of a motor is as follows: senlimama GSH-0.8-09A21 high speed motor (rated voltage 220V/380V, rated power 0.8kw, rated current 3.43/1.98A)
The cyclone collector 3 is XFG350-850 cyclone collector, 304 stainless steel collecting chamber with diameter of 15-20cm and height of 70cm
The model of the pulse dust collector 4 is PL-800m 3 H type single machine dust remover
The model of the induced draft fan 6 is a Shenghong EHS-6346 type multi-section high-pressure fan (voltage: three-phase 380V, rated power 4kw, air volume 5.4 m) 3 /m)
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be defined by the appended claims.
Claims (8)
1. An air blowing device is characterized in that: the jet milling grading machine comprises a jet milling grading machine (2), wherein the top end of the jet milling grading machine (2) is covered with a filter cloth (201), and the surface of one side, away from the jet milling grading machine (2), of the filter cloth (201) is covered with a filter plate (202) with holes.
2. An air blowing device as set forth in claim 1, wherein: and a grader cover plate (203) is arranged on the surface of the side, away from the filter cloth (201), of the filter plate (202) with the hole.
3. An air blowing device as set forth in claim 2, wherein: the classifier cover plate (203) is screwed with the top end of the jet milling classifier (2) through threads.
4. An air blowing device as set forth in claim 3, wherein: the top end of the grader cover plate (203) is provided with an air inlet (204), and the air inlet (204) is communicated with the electromagnetic pulse valve (7) and the compressed air tank (8) in sequence through an air pipe.
5. An air blowing device as set forth in claim 4, wherein: the compressed air tank (8) is communicated with the air tank.
6. An air blowing device as set forth in claim 5, wherein: the diameter of the filter cloth (201) is larger than the end caliber of the top end of the jet milling classifier (2).
7. An air-jet milling system, characterized in that the air blowing device and the cyclone collector (3) as claimed in claims 1 to 6 are included, one side of the cyclone collector (3) is communicated with one side of the air-jet milling classifier (2), the other side of the cyclone collector (3) is communicated with one side of the pulse dust collector (4), and the other side of the air-jet milling classifier (2) is communicated with the feeding system (1).
8. A jet milling system as set forth in claim 7 wherein: the other side of the pulse dust collector (4) is connected with a draught fan (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221055671.4U CN217313772U (en) | 2022-05-05 | 2022-05-05 | Air blowing device and airflow crushing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221055671.4U CN217313772U (en) | 2022-05-05 | 2022-05-05 | Air blowing device and airflow crushing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217313772U true CN217313772U (en) | 2022-08-30 |
Family
ID=82950403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221055671.4U Active CN217313772U (en) | 2022-05-05 | 2022-05-05 | Air blowing device and airflow crushing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217313772U (en) |
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2022
- 2022-05-05 CN CN202221055671.4U patent/CN217313772U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 1618 Xinqi Street, Muye District, Xinxiang City, Henan Province, 453000 Patentee after: Tianli Lithium Energy Group Co.,Ltd. Country or region after: China Address before: Southeast corner of the intersection of Xinqi Street and Weiqi Road in Xinxiang Chemical and Physical Power Industrial Park, Muye District, Xinxiang City, Henan Province Patentee before: XINXIANG TIANLI LITHIUM ENERGY CO.,LTD. Country or region before: China |