CN111841828A - Airflow type lithium hydroxide monohydrate ultrafine grinding equipment and grinding process - Google Patents
Airflow type lithium hydroxide monohydrate ultrafine grinding equipment and grinding process Download PDFInfo
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- CN111841828A CN111841828A CN202010546856.4A CN202010546856A CN111841828A CN 111841828 A CN111841828 A CN 111841828A CN 202010546856 A CN202010546856 A CN 202010546856A CN 111841828 A CN111841828 A CN 111841828A
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- hydroxide monohydrate
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- GLXDVVHUTZTUQK-UHFFFAOYSA-M lithium hydroxide monohydrate Substances [Li+].O.[OH-] GLXDVVHUTZTUQK-UHFFFAOYSA-M 0.000 title claims abstract description 43
- PQVSTLUFSYVLTO-UHFFFAOYSA-N ethyl n-ethoxycarbonylcarbamate Chemical compound CCOC(=O)NC(=O)OCC PQVSTLUFSYVLTO-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229940040692 lithium hydroxide monohydrate Drugs 0.000 title claims abstract description 42
- 238000000227 grinding Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 13
- 239000000428 dust Substances 0.000 claims abstract description 27
- 238000004806 packaging method and process Methods 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000010902 jet-milling Methods 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 37
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000000872 buffer Substances 0.000 claims description 6
- 238000010009 beating Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 9
- 239000011261 inert gas Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003801 milling Methods 0.000 description 10
- 230000003139 buffering effect Effects 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 238000010298 pulverizing process Methods 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000004276 hyalin Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
Abstract
The invention discloses airflow type lithium hydroxide monohydrate ultramicro crushing equipment which comprises a storage bin, feeding equipment, a feeding pipe, an airflow crushing host machine, a feeding pipe, a pulse bag type dust collector, a discharging pipe and finished product packaging equipment, wherein the bottom of the feeding equipment is communicated with the interior of the airflow crushing host machine through the feeding pipe, a uniform-speed feeding machine is arranged on the feeding pipe, the top of the airflow crushing host machine is communicated with the interior of the pulse bag type dust collector through the feeding pipe, and the bottom of the pulse bag type dust collector is communicated with the interior of the finished product packaging equipment through the discharging pipe. Compared with the prior art, the crushing equipment disclosed by the invention integrally adopts integrated system production equipment for feeding, crushing, collecting and packaging the lithium hydroxide monohydrate ultrafine powder in a micro-negative pressure inert gas environment, so that the ultrafine crushing of the lithium hydroxide monohydrate powder is realized, the lithium hydroxide monohydrate ultrafine powder is effectively prevented from being in contact with air to cause the lithium hydroxide monohydrate powder to deteriorate, the air pressure of the whole equipment is stable, and the airflow crushing effect is good.
Description
Technical Field
The invention relates to the field of airflow type superfine grinding of lithium hydroxide monohydrate, in particular to airflow type superfine grinding equipment and a grinding process of lithium hydroxide monohydrate.
Background
Currently, in the ultra-fine powder pulverization, a jet mill is generally used for pulverization. But cannot be applied to the superfine powder grinding of lithium hydroxide monohydrate because the lithium hydroxide monohydrate needs to be mixed with CO2The reaction takes place to deteriorate, and the reaction is changeed to the super micropowder, and conventional super little crushing apparatus can't use, and the air pressure stability is poor in the equipment, very easily influences the miropowder and smashes the effect, also can influence the atmospheric pressure in the equipment when the miropowder after the collection is packed, and collection device's discharge gate very easily produces the raise dust simultaneously, influences finished product packing and staff's operational environment.
Disclosure of Invention
The invention aims to provide an air-flow type lithium hydroxide monohydrate ultramicro crushing device which solves the problems, realizes crushing and packaging of 15-micron lithium hydroxide monohydrate ultramicro powder and has good air pressure stabilization and air flow crushing effects in the whole device.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an air-flowing type lithium hydroxide monohydrate's super little crushing apparatus, includes feed bin, feeder equipment, inlet pipe, jet milling host computer, conveying pipeline, pulse bag collector, row's material pipe and finished product equipment for packing, the inside intercommunication of inlet pipe and jet milling host computer is passed through to the feeder equipment bottom, be equipped with the feeder of samming on the inlet pipe, the inside intercommunication of conveying pipeline and pulse bag collector is passed through at jet milling host computer top, the inside intercommunication of discharging pipe and finished product equipment for packing is passed through to pulse bag collector bottom.
As preferred, the bottom of feed bin is equipped with discharge gate an, and the feed bin side is equipped with feed inlet a, feed inlet a department is equipped with the draught fan, discharge gate a is equipped with pneumatic valve a, discharge gate a and the inside intercommunication of feeder equipment, still be equipped with the charge level indicator on the feed bin, the feed bin lower part still is equipped with the hammer and the agitator motor of beating of shaking of the ejection of compact of being convenient for.
As preferred, the feeder equipment mainly comprises the buffering feed bin, the buffering feed bin top is equipped with the feed inlet b with discharge gate a intercommunication, and the bottom is equipped with discharge gate b, the even speed feeder sets up in buffering feed bin discharge gate b department, the even speed feeder passes through the inlet pipe and communicates with the inside of jet milling host computer.
As preferred, the jet milling host computer is fluidized bed jet mill, the jet milling host computer top is equipped with carries out hierarchical grading plant to the miropowder, the jet milling host computer bottom is equipped with drain hole c, the jet milling host computer side is equipped with nitrogen gas intake pipe and high-pressure gas intake pipe, be equipped with supersonic nozzle in the jet milling host computer, supersonic nozzle and high-pressure gas intake pipe intercommunication, the jet milling host computer side still is equipped with the feed inlet c with the inlet pipe intercommunication.
Preferably, the grading equipment comprises a grading machine cylinder, a grading machine head, a grading machine cover, a high-precision turbine grading wheel and a grading motor, wherein the high-precision turbine grading wheel is transversely arranged in the grading machine head, one end of the high-precision turbine grading wheel is in transmission connection with the grading motor, the other end of the high-precision turbine grading wheel is provided with a discharge hole c, the discharge hole c is formed in the side face of the grading machine head, and the discharge hole c is communicated with the interior of the pulse bag type dust collector through a conveying pipe.
Preferably, the bottom of the pulse bag type dust collector is provided with a discharge port d, the side surface of the pulse bag type dust collector is provided with a feed port d communicated with a feed delivery pipe, the discharge port d is provided with a pneumatic valve d, and the discharge port d is communicated with the interior of finished product packaging equipment through a discharge pipe.
Preferably, the discharge pipe is a transparent pipe.
As preferred, finished product equipment for packing mainly comprises finished product feed bin, unloading pipe, mixer, finished product feed bin top is equipped with the feed inlet e with the discharging pipe intercommunication, and finished product feed bin bottom is equipped with the uniform speed blanking machine, the uniform speed blanking machine passes through unloading pipe and the inside intercommunication in stirring storehouse, be equipped with rabbling mechanism in the stirring storehouse, the stirring storehouse bottom is equipped with discharge gate e, discharge gate e department is equipped with spiral unloading equipment, finished product feed bin lower part still is equipped with the hammer and the agitator motor of shaking of the ejection of compact of being convenient for.
Preferably, iron removal equipment is arranged in the blanking pipe.
An airflow type lithium hydroxide monohydrate ultramicro crushing process, which comprises the following steps,
firstly, inputting materials into a stock bin for temporary storage through a gas conveying device;
step two, uniformly feeding materials to the jet milling host through feeding equipment;
thirdly, the materials enter the jet mill main machine through a feeding pipe, supersonic jet flow in the jet mill main machine carries the materials to accelerate, and the materials are converged at a central point to mutually collide, impact and rub, so that the crushing of material particles is realized; keeping negative pressure in the jet milling host and filling nitrogen all the time;
step four, after classifying and screening the crushed particles by classifying equipment, conveying the particles to a pulse bag type dust collector through a conveying pipe for collection;
and fifthly, conveying the collected particles into finished product packaging equipment through a discharge pipe.
Compared with the prior art, the invention has the advantages that: the whole crushing equipment adopts a micro-negative pressure inert gas environment to carry out feeding, crushing, collecting and packaging integrated system production equipment of the lithium hydroxide monohydrate ultrafine powder, thereby realizing the ultrafine crushing of the lithium hydroxide monohydrate powder and effectively avoiding the C0 in the processing process and the air of the lithium hydroxide monohydrate ultrafine powder 2The contact causes the lithium hydroxide monohydrate powder to deteriorate. The crushing of the 15 micron lithium hydroxide monohydrate ultramicro powder is realized, the whole set of equipment has stable air pressure, and the airflow crushing effect is excellent.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a storage bin structure of the present invention;
FIG. 3 is a schematic view of the feed apparatus of the present invention;
FIG. 4 is a schematic structural diagram of a jet mill host according to the present invention;
FIG. 5 is a schematic view of the pulse bag type dust collector of the present invention;
FIG. 6 is a schematic view of the present invention; .
In the figure: 1. a storage bin; 11. a feed inlet a; 12. a discharge port a; 13. an induced draft fan; 14. a pneumatic valve a; 15. a level gauge; 2. a feeding device; 21. a buffer feeding bin; 22. a feed inlet b; 23. a discharge hole b; 3. a uniform-speed feeder; 4. a feed pipe; 5. the jet milling main machine; 51. a discharge port c; 52. a feed port c; 53. a nitrogen inlet pipe; 54. a high-pressure gas inlet pipe; 55. a discharge port c; 6. a classification device; 61. a classifier cylinder; 62. a grader head; 63. a grader cover; 64. a grading motor; 65. a high-precision turbine classification wheel; 7. a delivery pipe; 8. a pulse bag type dust collector; 81. a feed port d; 82. a discharge port d; 83. a pneumatic valve d; 9. a discharge pipe; 10. finished product packaging equipment; 101. a finished product bin; 102. a feed port e; 103, uniform-speed blanking machine; 104. a discharging pipe; 105. iron removal equipment; 106. a blender; 107. a stirring mechanism; 108. a discharge port e; 109. spiral unloading equipment.
Detailed Description
The present invention will be further explained below.
Example 1: referring to fig. 1 to 6, the air-flow type lithium hydroxide monohydrate ultramicro crushing equipment comprises a storage bin 1, a feeding device 2, a feeding pipe 4, an air-flow crushing main machine 5, a feeding pipe 7, a pulse bag type dust collector 8, a discharging pipe 9 and finished product packaging equipment 10, wherein the bottom of the feeding device 2 is connected with the air-flow crushing main machine through the feeding pipe 4The inside intercommunication of machine 5, be equipped with uniform velocity feeder 3 on inlet pipe 4, conveying pipeline 7 and the inside intercommunication of pulse bag collector 8 are passed through at 5 tops of jet milling host computer, 8 bottoms of pulse bag collector are through discharging pipe and the inside intercommunication of finished product equipment for packing 10. The whole crushing equipment adopts a micro-negative pressure inert gas environment to carry out feeding, crushing, collecting and packaging integrated system production equipment of the lithium hydroxide monohydrate ultrafine powder, thereby realizing the ultrafine crushing of the lithium hydroxide monohydrate powder and effectively avoiding the lithium hydroxide monohydrate ultrafine powder from being subjected to CO in the processing process and air2The contact causes the lithium hydroxide monohydrate powder to deteriorate. The invention utilizes the pulse bag type dust collector 8 to form system negative pressure, and pumps the qualified ultramicro powder crushed and screened by the jet milling host 5 into the pulse bag type dust collector 8 to be collected, and then the finished product is packaged by the finished product packaging equipment 10. In addition, an air compression device for providing high-pressure air and a nitrogen production device for providing nitrogen are also arranged on the jet milling main machine 5, and the provided high-pressure air and nitrogen are subjected to a precise filter to filter CO 2And the like which affect the quality of the material. The jet milling main machine 5 keeps negative pressure and isolates the external air from entering, nitrogen is filled in, collision milling is carried out in the environment of inert gas, and the reaction of carbon dioxide and other gases with lithium hydroxide monohydrate particles is avoided.
The bottom of feed bin 1 is equipped with discharge gate a12, and 1 side of feed bin is equipped with feed inlet a11, feed inlet a11 department is equipped with draught fan 13, discharge gate a12 is equipped with pneumatic valve a14, discharge gate a12 and the inside intercommunication of feeder 2, still be equipped with charge level indicator 15 on the feed bin 1, 1 lower part of feed bin still is equipped with the hammer and the agitator motor of shaking of the ejection of compact of being convenient for. The level gauge 15 is divided into a high level gauge 15 and a low level gauge 15. The storage bin 1 serves as high-level temporary storage equipment, the storage bin 1 adopts a negative pressure feeding system, and lithium hydroxide monohydrate particles are conveyed to the storage bin 1 through pneumatic conveying for storage. The high level gauge 15 and the low level gauge 15 are used to determine the level of the material in the silo 1. The pneumatic valve a14 is a remote discharge valve and is used as a switch for discharging the silo 1.
Fluid energy milling host computer 5 is fluidized bed fluid energy mill, comprises the air supply distribution room of the crushing chamber in upper portion and bottom, 5 tops of fluid energy milling host computer are equipped with carries out hierarchical grading plant 6 to the miropowder, 5 bottoms of fluid energy milling host computer are equipped with drain hole c51, and drain hole c51 is used for the unloading to collect large granule powder product, 5 sides of fluid energy milling host computer are equipped with nitrogen gas intake pipe 53 and high-pressure gas intake pipe 54, be equipped with the supersonic speed nozzle in the fluid energy milling host computer 5, supersonic speed nozzle and high-pressure gas intake pipe 54 intercommunication, 5 sides of fluid energy milling host computer still are equipped with feed inlet c52 with inlet pipe 4 intercommunication. The fluidized bed jet mill mainly comprises a milling cavity, supersonic nozzles and a fluidized bed, wherein a nitrogen inlet pipe 53 is used as a nitrogen supplementing device, and the principle of the fluidized bed jet mill is that supersonic jet streams ejected from the supersonic nozzles carry materials in a milling chamber to accelerate, and the supersonic jet streams converge at a central point to enable the materials to collide, impact and rub with each other, so that the effect of crushing particles is achieved.
Parameters of a crushing host: the power is 7.5KW, the number of the blades of the grading wheel is 48, the rotating speed is 2980r/min, and the pressure of the crushing cavity is 0.8 MPa.
The bottom of the pulse bag type dust collector 8 is provided with a discharge port d82, the side surface of the pulse bag type dust collector is provided with a feed port d81 communicated with the feed delivery pipe 7, a pneumatic valve d83 is arranged at the discharge port d82, and the discharge port d82 is communicated with the interior of the finished product packaging equipment 10 through a discharge pipe. The pulse bag type dust collector 8 consists of a bag type collecting device, a pulse dust cleaning device and a pneumatic control device, and is mainly used for collecting materials and ensuring the micro negative pressure of an equipment system. The blowing air quantity, time and interval are controlled by the pulse electromagnetic valve and the PLC in a linkage manner, and the time interval is adjustable.
The pulse bag type dust collector 8 adopts a PTFE membrane filter bag, has excellent chemical stability, is not easy to age, is relatively suitable for severe conditions needing corrosion resistance and occasions with high requirements on the service life of filter materials, adopts SUS304 stainless steel as a framework, has high corrosion resistance, and has higher plasticity and toughness at low temperature, room temperature and high temperature, and better cold forming and welding properties.
Pneumatic valve d83 is established at discharge gate d82 to pulse bag collector 8, and with the unloading linkage of finished product feed bin 101 of finished product equipment for packing 10, pneumatic valve d83 is opened pneumatic valve d83 material and is gone into in the discharge tube under to the discharge tube, finished product feed bin 101 unloading not this moment, the discharge tube is the hyaline tube, is convenient for look over the unloading condition that gets into feed bin 1, and after the unloading was to the take the altitude, pneumatic valve d83 was closed, and finished product feed bin 101 unloading to this makes pulse bag collector 8 internal gas pressure stable, can not influence the negative pressure environment in the pulse bag collector 8 because of the work of finished product equipment for packing 10, ensures the stable negative pressure environment of jet milling host computer 5, satisfies the crushing effect and the screening effect of surpassing the powder.
Finished product equipment for packing 10 mainly comprises finished product feed bin 101, unloading pipe 104, mixer 106, finished product feed bin 101 top is equipped with feed inlet e102 with the discharging pipe intercommunication, and finished product feed bin 101 bottom is equipped with uniform speed blanking machine 103, uniform speed blanking machine 103 is through unloading pipe 104 and the inside intercommunication in stirring storehouse, be equipped with rabbling mechanism 107 in the stirring storehouse, the stirring storehouse bottom is equipped with discharge gate e108, discharge gate e108 department is equipped with spiral unloading equipment 109, finished product feed bin 101 lower part still is equipped with the hammer and the agitator motor of beating of shaking of the ejection of compact of being convenient for. The finished product packaging equipment 10 is used for packaging qualified lithium hydroxide monohydrate fine particle powder, and an iron removal equipment 105 is arranged in the feeding pipe 104 and used for removing magnetic substances in the product, so that the requirement of no more than 1 g of magnetic substances in 1000 tons of lithium hydroxide monohydrate products is met.
An airflow type lithium hydroxide monohydrate superfine grinding process is characterized in that: the process method comprises the following steps of,
firstly, inputting materials into a stock bin 1 through a gas conveying device for temporary storage;
step two, uniformly feeding materials to the jet milling host 5 through the feeding device 2;
thirdly, the materials enter the jet milling host 5 through a feeding pipe, the supersonic jet in the jet milling host 5 carries the materials to accelerate, and the materials are converged at a central point to mutually collide, impact and rub, so that the crushing of material particles is realized; keeping negative pressure in the jet milling host 5 and filling nitrogen all the time;
step four, after classifying and screening the crushed particles by a classifying device 6, conveying the particles to a pulse bag type dust collector 8 through a conveying pipe for collection;
and step five, conveying the collected particles into finished product packaging equipment 10 through a discharge pipe.
The finished product processing of the lithium hydroxide monohydrate ultramicro powder mainly comprises a raw material ultramicro crushing system and a finished product mixing and packaging system, wherein the raw material crushing system is equipment for realizing dry-type material ultramicro powder by using high-speed airflow, materials enter a crushing chamber of an airflow crushing main machine 5 through uniform-speed feeding equipment, high-pressure air is sprayed to the crushing chamber at high speed through a supersonic nozzle, the materials are accelerated in the jet flow of the supersonic nozzle, and impact and collision are repeatedly carried out at the intersection of the nozzles, so that the crushing effect is achieved. The crushed material enters a grading device 6 along with ascending airflow, the grading wheel rotates at a high speed, particles receive centrifugal force generated by the grading wheel and centripetal force generated by airflow viscosity, when the centrifugal force received by the particles is larger than the centripetal force, namely, coarse particles return to a crushing chamber under the action of the centrifugal force of the grading wheel and the gravity operation of the material to continue to impact and crush, qualified fine particles enter a pulse bag type dust collector 8 along with the airflow to be collected, after gas-solid separation, the gas is precisely processed by a PTFE filter bag and a filter, the pure gas enters a compressor to be secondarily sucked and then pressurized and compressed for recycling, the pure gas enters an airflow crushing main machine 5, and the qualified fine particle powder collected by the pulse bag type dust collector 8 enters a finished product packaging device 10 to be packaged into a finished product.
And (3) power configuration of the whole system:
7.5KW 1 motor 380V 2-level variable-frequency starting of grader
Pneumatic discharge valve 0.0085 platform DC24V
Electromagnetic valve 0.0088/11 DC24V
380V 4-level variable-frequency starting of 0.5/0.75KW 1 constant-speed feeder
Electromagnetic valve 0.0088/11 DC24V
380V 2-level remote control for 132KW 1 compressor
The present invention provides an air-flowing type lithium hydroxide monohydrate ultramicro pulverizing apparatus and pulverizing process, wherein the apparatus and pulverizing process are described in detail, and the principle and implementation manner of the present invention are explained herein by using specific examples, and the description of the above examples is only used to help understanding the method and core concept of the present invention; while the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An air-flowing type lithium hydroxide monohydrate ultramicro crushing equipment is characterized in that: including feed bin, feeder equipment, inlet pipe, jet milling host computer, conveying pipeline, pulse bag collector, row's material pipe and finished product equipment for packing, the inside intercommunication of inlet pipe and jet milling host computer is passed through to the feeder equipment bottom, be equipped with the feeder of uniform velocity on the inlet pipe, the conveying pipeline is passed through at jet milling host computer top and the inside intercommunication of pulse bag collector, pulse bag collector bottom is passed through discharging pipe and the inside intercommunication of finished product equipment for packing.
2. The airflow type lithium hydroxide monohydrate ultrafine grinding equipment according to claim 1, characterized in that: the bottom of feed bin is equipped with discharge gate an, and the feed bin side is equipped with feed inlet a, feed inlet a department is equipped with the draught fan, discharge gate a is equipped with pneumatic valve an, discharge gate an and the inside intercommunication of feeder equipment, still be equipped with the charge level indicator on the feed bin, the feed bin lower part still is equipped with the hammer of beating and the agitator motor of shaking of the ejection of compact of being convenient for.
3. The airflow type lithium hydroxide monohydrate ultrafine grinding equipment according to claim 2, characterized in that: the feeder mainly comprises a buffer feeding bin, the top of the buffer feeding bin is provided with a feeding port b communicated with a discharging port a, the bottom of the buffer feeding bin is provided with a discharging port b, the uniform-speed feeder is arranged at the discharging port b of the buffer feeding bin, and the uniform-speed feeder is communicated with the inside of the jet milling host through a feeding pipe.
4. The airflow type lithium hydroxide monohydrate ultrafine grinding equipment according to claim 1, characterized in that: the jet milling host computer is fluidized bed jet mill, the jet milling host computer top is equipped with carries out hierarchical grading plant to the miropowder, the jet milling host computer bottom is equipped with drain hole c, the jet milling host computer side is equipped with nitrogen gas intake pipe and high-pressure gas intake pipe, be equipped with supersonic nozzle in the jet milling host computer, supersonic nozzle and high-pressure gas intake pipe intercommunication, the jet milling host computer side still is equipped with the feed inlet c with the inlet pipe intercommunication.
5. The airflow type lithium hydroxide monohydrate ultrafine grinding equipment according to claim 4, characterized in that: the grading equipment comprises a grader barrel, a grader head, a grader cover, a high-precision turbine grading wheel and a grading motor, wherein the high-precision turbine grading wheel is transversely arranged in the grader head, one end of the high-precision turbine grading wheel is in transmission connection with the grading motor, the other end of the high-precision turbine grading wheel is provided with a discharge port c, the discharge port c is arranged on the side face of the grader head, and the discharge port c is communicated with the inside of the pulse bag type dust collector through a conveying pipe.
6. The airflow type lithium hydroxide monohydrate ultrafine grinding equipment according to claim 1, characterized in that: the bottom of the pulse bag type dust collector is provided with a discharge port d, the side surface of the pulse bag type dust collector is provided with a feed inlet d communicated with a feed delivery pipe, the discharge port d is provided with a pneumatic valve d, and the discharge port d is communicated with the interior of a finished product packaging device through a discharge pipe.
7. The airflow type lithium hydroxide monohydrate ultrafine grinding equipment according to claim 1, characterized in that: the discharge pipe is a transparent pipe.
8. The airflow type lithium hydroxide monohydrate ultrafine grinding equipment according to claim 1, characterized in that: finished product equipment for packing mainly comprises finished product feed bin, unloading pipe, mixer, finished product feed bin top is equipped with the feed inlet e with the discharging pipe intercommunication, and finished product feed bin bottom is equipped with the uniform velocity blanking machine, the uniform velocity blanking machine passes through unloading pipe and the inside intercommunication in stirring storehouse, be equipped with rabbling mechanism in the stirring storehouse, the stirring storehouse bottom is equipped with discharge gate e, discharge gate e department is equipped with spiral unloading equipment, finished product feed bin lower part still is equipped with the hammer and the agitator motor of beating of shaking of the ejection of compact of being convenient for.
9. The airflow type lithium hydroxide monohydrate ultrafine grinding equipment according to claim 1, characterized in that: and iron removing equipment is arranged in the blanking pipe.
10. The airflow type lithium hydroxide monohydrate ultrafine grinding process according to claim 1, characterized in that: the process method comprises the following steps of,
firstly, inputting materials into a stock bin for temporary storage through a gas conveying device;
step two, uniformly feeding materials to the jet milling host through feeding equipment;
thirdly, the materials enter the jet mill main machine through a feeding pipe, supersonic jet flow in the jet mill main machine carries the materials to accelerate, and the materials are converged at a central point to mutually collide, impact and rub, so that the crushing of material particles is realized; keeping negative pressure in the jet milling host and filling nitrogen all the time;
step four, after classifying and screening the crushed particles by classifying equipment, conveying the particles to a pulse bag type dust collector through a conveying pipe for collection;
and fifthly, conveying the collected particles into finished product packaging equipment through a discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546856.4A CN111841828A (en) | 2020-06-16 | 2020-06-16 | Airflow type lithium hydroxide monohydrate ultrafine grinding equipment and grinding process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546856.4A CN111841828A (en) | 2020-06-16 | 2020-06-16 | Airflow type lithium hydroxide monohydrate ultrafine grinding equipment and grinding process |
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| CN111841828A true CN111841828A (en) | 2020-10-30 |
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|---|---|---|---|
| CN202010546856.4A Pending CN111841828A (en) | 2020-06-16 | 2020-06-16 | Airflow type lithium hydroxide monohydrate ultrafine grinding equipment and grinding process |
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| CN (1) | CN111841828A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138426A (en) * | 2022-07-01 | 2022-10-04 | 江西金辉锂业有限公司 | Ultrafine grinding device for battery-grade lithium hydroxide |
| CN116060185A (en) * | 2023-04-06 | 2023-05-05 | 山东埃尔派粉体科技有限公司 | Can realize inertia from air current classified screening machine of reposition of redundant personnel |
| KR102615741B1 (en) * | 2023-06-26 | 2023-12-20 | 주식회사 강원에너지 | Lithium hydroxide processing system with water of crystallization |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201082390Y (en) * | 2007-07-25 | 2008-07-09 | 宁波江东杰特梅尔科技有限公司 | Continuously charging device for air-flow disintegrator |
| CN201329309Y (en) * | 2008-12-24 | 2009-10-21 | 吉林市新大科机电技术有限责任公司 | Continuous automatic feeding device |
| CN102145312A (en) * | 2010-12-29 | 2011-08-10 | 洁星环保科技投资（上海）有限公司 | Protective gas airtight circulation crushing apparatus and crushing process |
| US20130186993A1 (en) * | 2010-07-30 | 2013-07-25 | Hosokawa Micron Corporation | Jet mill |
| CN103341392A (en) * | 2013-06-06 | 2013-10-09 | 吉林市新大科机电技术有限责任公司 | Wheel type continuous automatic feeding device |
| CN204503276U (en) * | 2014-12-25 | 2015-07-29 | 江西新卡奔科技有限公司 | A kind of lithium ion battery graphite cathode material air flow crushing device |
| CN205146399U (en) * | 2015-11-27 | 2016-04-13 | 北矿磁材（阜阳）有限公司 | Joint air current in sintered ferrite magnetic production technology grinds device |
| CN108452917A (en) * | 2018-03-26 | 2018-08-28 | 四川中科贝特纳米科技有限公司 | Closed cycle airflow comminution system |
| CN209680278U (en) * | 2019-01-30 | 2019-11-26 | 宜兴市优特粉体机械设备有限公司 | Non-carbonized compressed air loop circuit air-flow crushing LITHIUM BATTERY lithium hydroxide system |
-
2020
- 2020-06-16 CN CN202010546856.4A patent/CN111841828A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201082390Y (en) * | 2007-07-25 | 2008-07-09 | 宁波江东杰特梅尔科技有限公司 | Continuously charging device for air-flow disintegrator |
| CN201329309Y (en) * | 2008-12-24 | 2009-10-21 | 吉林市新大科机电技术有限责任公司 | Continuous automatic feeding device |
| US20130186993A1 (en) * | 2010-07-30 | 2013-07-25 | Hosokawa Micron Corporation | Jet mill |
| CN102145312A (en) * | 2010-12-29 | 2011-08-10 | 洁星环保科技投资（上海）有限公司 | Protective gas airtight circulation crushing apparatus and crushing process |
| CN103341392A (en) * | 2013-06-06 | 2013-10-09 | 吉林市新大科机电技术有限责任公司 | Wheel type continuous automatic feeding device |
| CN204503276U (en) * | 2014-12-25 | 2015-07-29 | 江西新卡奔科技有限公司 | A kind of lithium ion battery graphite cathode material air flow crushing device |
| CN205146399U (en) * | 2015-11-27 | 2016-04-13 | 北矿磁材（阜阳）有限公司 | Joint air current in sintered ferrite magnetic production technology grinds device |
| CN108452917A (en) * | 2018-03-26 | 2018-08-28 | 四川中科贝特纳米科技有限公司 | Closed cycle airflow comminution system |
| CN209680278U (en) * | 2019-01-30 | 2019-11-26 | 宜兴市优特粉体机械设备有限公司 | Non-carbonized compressed air loop circuit air-flow crushing LITHIUM BATTERY lithium hydroxide system |
Non-Patent Citations (3)
| Title |
|---|
| 刘西文: "《塑料配混工（中、高级）培训课程》", 31 January 2017, 文化发展出版社 * |
| 北京电机厂: "《脉冲袋式除尘器在铸造上的应用》", 30 November 1975, 机械工业出版社 * |
| 李其详: "《炭素材料机械设备》", 31 August 1993, 冶金工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138426A (en) * | 2022-07-01 | 2022-10-04 | 江西金辉锂业有限公司 | Ultrafine grinding device for battery-grade lithium hydroxide |
| CN116060185A (en) * | 2023-04-06 | 2023-05-05 | 山东埃尔派粉体科技有限公司 | Can realize inertia from air current classified screening machine of reposition of redundant personnel |
| CN116060185B (en) * | 2023-04-06 | 2023-06-20 | 山东埃尔派粉体科技有限公司 | Can realize inertia from air current classified screening machine of reposition of redundant personnel |
| KR102615741B1 (en) * | 2023-06-26 | 2023-12-20 | 주식회사 강원에너지 | Lithium hydroxide processing system with water of crystallization |
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