CN115739340A - Lithium ion battery raw and other materials grinder - Google Patents
Lithium ion battery raw and other materials grinder Download PDFInfo
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- CN115739340A CN115739340A CN202211392802.2A CN202211392802A CN115739340A CN 115739340 A CN115739340 A CN 115739340A CN 202211392802 A CN202211392802 A CN 202211392802A CN 115739340 A CN115739340 A CN 115739340A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a lithium ion battery raw material grinding device, which relates to the technical field of grinding equipment and comprises a grinding mechanism, a cooling mechanism and a screening mechanism, wherein the grinding mechanism is used for grinding and stirring the battery raw materials at the same time so as to improve the grinding efficiency, and comprises a grinding cylinder, a grinding cover, a grinding shaft and a grinding motor; the cooling mechanism is arranged below the grinding cover and used for cooling the battery raw materials during grinding, and comprises a first cold air pipe, a second cold air pipe and a spray head; screening mechanism locates the below of grinding vessel and is used for screening the battery raw and other materials after grinding and sifts, screening mechanism includes rotating tube, rotation axis, crank, rotary rod, screening board and linkage strip. In conclusion, the lithium ion battery raw material grinding device has the characteristics of ingenious scheme concept, reasonable structural design and practical and convenient use.
Description
Technical Field
The invention relates to the technical field of grinding equipment, in particular to a lithium ion battery raw material grinding device.
Background
A lithium ion battery is a type of secondary battery that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. In the process of charging and discharging, li + is inserted and extracted back and forth between the two electrodes, and during charging, li + is extracted from the positive electrode and inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; when discharging, the opposite is true, and the negative electrode material of the lithium ion battery is one of the raw materials for manufacturing the lithium ion battery.
However, the existing grinding equipment cannot screen out raw material powder meeting the particle size requirement, and the existing grinding equipment needs to be stopped and completely taken out after a whole grinding period is finished, so that time is wasted, production is delayed, and the production efficiency is reduced. Furthermore, some of the raw materials of the battery have temperature requirements during grinding, and the temperature is not too high, which may affect the quality of the finally obtained powder.
Disclosure of Invention
The invention aims to provide a grinding device for raw materials of a lithium ion battery, which is used for solving the defects caused in the prior art.
The utility model provides a lithium ion battery raw and other materials grinder, includes grinding mechanism, cooling mechanism and screening mechanism, wherein:
the grinding mechanism is used for grinding and stirring raw materials of the battery so as to improve the grinding efficiency, and comprises a grinding cylinder, a grinding cover, a grinding shaft and a grinding motor;
the temperature reduction mechanism is arranged below the grinding cover and is used for cooling the battery raw materials during grinding;
the screening mechanism is arranged below the grinding cylinder and used for screening and removing the ground battery raw materials.
Preferably, vertical welding has a plurality of support column on the outer wall of grinding vessel, the bottom horizontal welding of support column has the backup pad, the bottom coaxial arrangement of the inboard of grinding vessel has the grinding piece of drinking cup type, the up end of grinding piece is equipped with convex grinding groove, the grinding piece is equipped with the discharge gate that link up between two parties in the bottom of grinding groove, the bottom of grinding vessel is equipped with the bin outlet that link up between two parties, the left and right sides symmetry of grinding vessel is equipped with the dog-house and is equipped with the feeder hopper in the outside of dog-house, be connected with the connecting pipe between feeder hopper and the dog-house, grind the coaxial directly over locating grinding vessel of cover, the vertical rotation of grinding shaft is connected in the center department of grinding cover, the vertical top of grinding cover that sets up down of grinding motor and installs through the fixed plate, the output shaft of grinding motor is connected with the grinding shaft through the shaft coupling, the lower tip splined connection of grinding shaft has the connecting seat, conical connecting plate is installed to the below of connecting seat, the below of connecting plate is connected with hemispherical lapping ball, the equipartition has the grinding ball on the outer wall of grinding plate.
Preferably, the cooling mechanism comprises a first annular cold air pipe, the first cold air pipe is installed at the top of the inner side of the grinding cover through uniformly distributed U-shaped buckles, a first tee joint is uniformly connected on the first cold air pipe in series, a spray head is installed in the vertical direction of an intermediate joint of the first tee joint in a threaded manner, a second tee joint is further connected on the rear side of the first cold air pipe in series, the intermediate joint of the second tee joint is horizontally arranged towards the rear and is inserted with a second cold air pipe, the second cold air pipe penetrates through the grinding cover and is connected to an external compressed cold air source, a connecting sleeve is fixedly installed in the middle of the grinding shaft, a connecting rod which horizontally stretches is uniformly welded on the connecting sleeve, and a spiral stirring strip is welded at the stretching end of the connecting rod.
Preferably, screening mechanism includes rotatory pipe, rotation axis, rotary rod, screening board and linkage strip, the coaxial inside of locating bin outlet and discharge gate of rotatory pipe, the coaxial welding in top of rotatory pipe has the ring flange and with its screwed connection in the bottom of lapping plate, the lower tip key connection of rotatory pipe has band pulley one, the rotation axis is equipped with a pair of and symmetric distribution in both sides around the rotatory pipe, the lower tip key connection of rotation axis has band pulley two, be connected through the drive belt between band pulley one and the band pulley two, the lower tip of rotation axis still fixedly connected with crank, the coaxial below of locating the rotatory pipe of rotary rod and with rotatory pipe normal running fit, the welding has the connection piece between two parties in the bottom of rotary rod, the screening board is V style of calligraphy structure and with its middle part welding in the below of connection piece, two sections all evenly are equipped with the screening groove of rectangular shape around the screening board, the centering of screening board is equipped with circular shape screening mouth between two parties, the linkage strip is equipped with a pair of and symmetric welding in the front and back both ends of screening board, the linkage strip is equipped with the linkage groove that links the smooth joint in the handle the pivot of the handle the guide board and the clearance of its motor and the guide board is the homonymy and is the cooperation of the homonymy, and the guide board is connected with the motor bottom of the guide board and is the homonymy and is the cooperation of the guide both ends.
Preferably, the grinding cylinder is connected with the grinding cover through uniformly distributed industrial hasps.
Preferably, the semi-spherical grinding plate has a radius value smaller than that of the circular arc-shaped grinding groove.
Compared with the prior art, the invention has the following advantages:
1. the raw materials of the battery to be ground are poured into the feed hopper, then enter the grinding cylinder through the connecting pipe, and then are driven by the grinding motor through the coupler to rotate the grinding shaft, the grinding plate and the grinding balls, so that the raw materials of the battery falling into the grinding space can gradually finish the grinding work of the raw materials of the battery under the extrusion, friction and crushing actions of the grinding balls.
2. Rotatory grinding shaft drives through adapter sleeve and connecting rod and stirs the strip and rotate in step, when stirring the strip and slipping in waiting the battery raw and other materials of grinding, can realize the stirring work to battery raw and other materials, and help battery raw and other materials enter into and grind the space, promotes grinding efficiency.
3. During the grinding period, in order to reduce the ambient temperature in the grinding cylinder, an external pressure cold air source is led into the grinding cylinder through the second cold air pipe, the first cold air pipe and the spray head in sequence, and the ambient temperature in the grinding cylinder can be reduced through heat exchange between cold air flow and the battery raw material, so that influence on the quality of the battery raw material due to heat accumulation during grinding is avoided.
4. Rotatory abrasive disc drives the rotatory pipe through the ring flange and rotates in step, rotatory pipe drives rotation axis and crank through the belt drive again and rotates in step, and then drive the screening board and carry out reciprocal horizontal hunting round the rotary rod, battery raw and other materials powder after the grinding falls on the guide board through discharge gate and bin outlet, then, shift battery raw and other materials powder to both sides around the screening board through vibrating motor, the screening board that sways sieves the screening to the battery raw and other materials powder that falls down again, the powder that satisfies the particle size requirement can be discharged via the screening groove, the powder that does not satisfy the particle size requirement then can be discharged via the sieve export, and mix in the battery raw and other materials of treating the grinding.
Drawings
Fig. 1 is a schematic diagram of the overall three-dimensional structure of the present invention.
Fig. 2 is a schematic overall front view of the present invention.
Fig. 3 to 7 are schematic structural views of the polishing mechanism of the present invention.
Fig. 8 is a schematic structural view of the cooling mechanism in the present invention.
Fig. 9 is a schematic structural view of the sieving mechanism in the present invention.
Wherein:
10-a grinding mechanism; 101-a grinding cylinder; 101 a-a feed inlet; 101 b-a discharge opening; 102-a support column; 103-a support plate; 104-grinding block; 104 a-grinding groove; 104 b-a discharge hole; 105-a feed hopper; 106-connecting tube; 107-grinding cover; 108-industrial hasp; 109-grinding shaft; 110-a grinding motor; 111-a fixing plate; 112-a coupling; 113-a connecting seat; 114-a connecting plate; 115-a lapping plate; 116-grinding balls; 117-connecting sleeve; 118-a connecting rod; 119-a stir bar;
20-a cooling mechanism; 201-a cold air pipe I; 202-buckling; 203-a first three-way joint; 204-spray head; 205-three way connection II; 206-cold air pipe two;
30-a screening mechanism; 301-a rotating tube; 302-flange plate; 303-pulley one; 304-a rotation axis; 305-pulley two; 306-a belt; 307-crank; 308-rotating the rod; 309-connecting sheets; 310-screening plate; 310 a-a screening tank; 310 b-screen out port; 311-linkage bar; 311 a-linkage groove; 312-a guide plate; 313-vibration motor.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 9, a lithium ion battery raw material grinding device includes a grinding mechanism 10, a cooling mechanism 20 and a screening mechanism 30, wherein:
the grinding mechanism 10 is used for grinding and stirring raw materials of the battery to improve grinding efficiency, and the grinding mechanism 10 comprises a grinding cylinder 101, a grinding cover 107, a grinding shaft 109 and a grinding motor 110;
the temperature reduction mechanism 20 is arranged below the grinding cover 107 and is used for cooling the battery raw material during grinding;
the screening mechanism 30 is provided below the grinding drum 101 and is used for screening and removing the ground battery raw material.
In this embodiment, vertical welding has a plurality of support column 102 on the outer wall of grinding vessel 101, the bottom horizontal welding of support column 102 has backup pad 103, the bottom coaxial arrangement of the inboard bottom of grinding vessel 101 has the grinding block 104 of drinking cup type, the up end of grinding block 104 is equipped with convex grinding groove 104a, grinding block 104 is equipped with discharge gate 104b that link up between two parties in the bottom of grinding groove 104a, the bottom of grinding vessel 101 is equipped with the bin outlet 101b that link up between two parties, the left and right sides symmetry of grinding vessel 101 is equipped with dog-house 101a and is equipped with feeder hopper 105 in the outside of dog-house 101a, be connected with connecting pipe 106 between feeder hopper 105 and the dog-house 101a, grinding cover 107 is coaxial to be located directly over grinding vessel 101, the vertical rotation of grinding shaft 109 is connected in the center department of grinding cover 107, grinding motor 110 sets up and installs the top at grinding cover 107 through 111 down, the output shaft coupling 112 of grinding motor 110 is connected with grinding shaft 109 through the spline, the lower tip of grinding shaft 109 is connected with connecting seat 113, the connecting plate 115 is installed to the below of connecting seat 113, the conical connecting plate 115 is connected with the lower part of grinding ball mounting plate 115, the grinding plate 114, the outer wall of hemisphere grinding plate 114 equipartition has the grinding ball mounting plate 116.
In this embodiment, the cooling mechanism 20 includes a circular first cooling air pipe 201, the first cooling air pipe 201 is installed on the top of the inner side of the grinding cover 107 through evenly distributed U-shaped buckles 202, a first tee joint 203 is evenly connected in series on the first cooling air pipe 201, a nozzle 204 is vertically arranged in a direction of a middle joint of the first tee joint 203 and is installed in a threaded manner, a second tee joint 205 is also connected in series on the rear side of the first cooling air pipe 201, a second cooling air pipe 206 is horizontally arranged in a rearward direction and is inserted and connected in the middle joint of the second tee joint 205, the second cooling air pipe 206 penetrates through the grinding cover 107 and is connected to an external compressed cooling air source, a connecting sleeve 117 is fixedly installed in the middle of the grinding shaft 109, a horizontally suspended connecting rod 118 is evenly welded on the connecting sleeve 117, and a spiral stirring bar 119 is welded at a suspended end of the connecting rod 118.
In this embodiment, the sieving mechanism 30 includes a rotary pipe 301, a rotary shaft 304, a rotary rod 308, a sieving plate 310 and a linkage bar 311, the rotary pipe 301 is coaxially disposed inside the discharge opening 101b and the discharge opening 104b, a flange 302 is coaxially welded to the top end of the rotary pipe 301 and is screwed to the bottom of the grinding plate 115, a first pulley 303 is connected to the lower end key of the rotary pipe 301, the rotary shaft 304 is provided with a pair of pulleys symmetrically disposed on the front and rear sides of the rotary pipe 301, a second pulley 305 is connected to the lower end key of the rotary shaft 304, the first pulley 303 and the second pulley 305 are connected by a transmission belt 306, a crank 307 is further fixedly connected to the lower end of the rotary pipe 304, the rotary rod 308 is coaxially disposed below the rotary pipe 301 and is rotationally matched with the rotary pipe 301, and a connecting piece 309 is welded in the middle of the bottom of the rotary rod 308, screening board 310 is V style of calligraphy structure and welds the below in connection piece 309 with its middle part, two sections all evenly are equipped with the screening groove 310a of rectangular shape around screening board 310, the interlude of screening board 310 is equipped with the circular shape between two parties and sieves except that mouthful 310b, linkage strip 311 is equipped with a pair ofly and the symmetric welding both ends around screening board 310, be equipped with the linkage groove 311a of rectangle on the linkage strip 311, the lower tip that is located the crank 307 of homonymy slides and locates in linkage groove 311a, guide board 312 is located and is fixed in grinding vessel 101's bottom directly over a band pulley 303 and with its between two parties, rotatory pipe 301 runs through guide board 312 and with guide board 312 clearance fit, guide board 312 is oval structure and all does the opening processing at its front and back both ends, the below symmetric connection of guide board 312 has a pair of vibrating motor 313.
In this embodiment, the grinding cylinder 101 and the grinding cover 107 are connected by an industrial buckle 108. Through the use of industry hasp 108, can make things convenient for the lid of grinding barrel 101 and grinding lid 107 to close or open, and then conveniently carry out the maintenance of later stage to grinding mechanism 10.
In this embodiment, the semi-spherical grinding plate 115 has a smaller radius than the circular arc-shaped grinding groove 104 a. A grinding space gradually converging from top to bottom is formed between the hemispherical grinding plate 115 and the circular arc-shaped grinding groove 104 a.
This kind of lithium ion battery raw and other materials grinder when the actual application:
step 1: firstly, pouring the raw materials of the batteries to be ground into a feed hopper 105, then entering the interior of a grinding cylinder 101 through a connecting pipe 106, then driving a grinding shaft 109, a grinding plate 115 and grinding balls 116 to rotate through a grinding motor 110 and a coupling 112, and gradually finishing the grinding work of the raw materials of the batteries falling into a grinding space under the extrusion, friction and crushing actions of the grinding balls 116;
step 2: the rotating grinding shaft 109 drives the stirring bar 119 to synchronously rotate through the connecting sleeve 117 and the connecting rod 118, so that when the stirring bar 119 slips through the battery raw material to be ground, the stirring work of the battery raw material can be realized, the battery raw material is assisted to enter a grinding space, and the grinding efficiency is improved;
and 3, step 3: during the grinding process, in order to reduce the ambient temperature in the grinding cylinder 101, an external pressurized cold air source is introduced into the grinding cylinder 101 through the second cold air pipe 206, the first cold air pipe 201 and the spray head 204 in sequence, and the ambient temperature in the grinding cylinder 101 can be reduced through heat exchange between cold air flow and the battery raw materials, so that the influence on the quality of the battery raw materials due to heat accumulation during grinding is avoided;
and 4, step 4: the rotating grinding plate 115 drives the rotating pipe 301 to rotate synchronously through the flange 302, the rotating pipe 301 drives the rotating shaft 304 and the crank 307 to rotate synchronously through belt transmission, and further drives the screening plate 310 to swing left and right in a reciprocating manner around the rotating rod 308, when the ground battery raw material powder falls onto the guide plate 312 through the discharge port 104b and the discharge port 101b, the battery raw material powder is transferred to the front and rear sides of the screening plate 310 through the vibration motor 313, the fallen battery raw material powder is screened and removed by the swinging screening plate 104b, the powder meeting the particle size requirement is discharged through the screening groove 310a, and the powder not meeting the particle size requirement is discharged through the screening port 310b and mixed into the battery raw material to be ground.
The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (6)
1. The utility model provides a lithium ion battery raw and other materials grinder which characterized in that: including grinding mechanism (10), cooling mechanism (20) and screening mechanism (30), wherein:
the grinding mechanism (10) is used for grinding and stirring raw materials of the battery at the same time so as to improve the grinding efficiency, and the grinding mechanism (10) comprises a grinding cylinder (101), a grinding cover (107), a grinding shaft (109) and a grinding motor (110);
the temperature reduction mechanism (20) is arranged below the grinding cover (107) and is used for cooling the battery raw materials during grinding;
screening mechanism (30) are located the below of grinding vessel (101) and are used for carrying out the screening to the battery raw and other materials after grinding.
2. The lithium ion battery raw material grinding device according to claim 1, characterized in that: the vertical welding has a plurality of support column (102) on the outer wall of grinding vessel (101), the bottom horizontal welding of support column (102) has backup pad (103), the bottom coaxial arrangement of the inboard bottom of grinding vessel (101) has grinding block (104) of wineglass type, the up end of grinding block (104) is equipped with convex grinding groove (104 a), grinding block (104) is equipped with discharge gate (104 b) that link up in the middle of the bottom of grinding groove (104 a), the bottom of grinding vessel (101) is equipped with bin outlet (101 b) that link up in the middle, the left and right sides symmetry of grinding vessel (101) is equipped with dog-house (101 a) and is equipped with feeder hopper (105) in the outside of dog-house (101 a), be connected with connecting pipe (106) between feeder hopper (105) and dog-house (101 a), grind lid (107) coaxial locating directly over grinding vessel (101), the vertical rotation of grinding shaft (109) is connected in the center department of grinding lid (107), grinding motor (110) sets up and installs in the grinding lid (107) through fixed plate (111) vertical, grinding shaft coupling seat (107) top is connected with lower tip (113), grinding shaft coupling seat (109) is connected with connecting seat (109), the lower part of the connecting plate (114) is connected with a hemispherical grinding plate (115), and grinding balls (116) are uniformly embedded on the outer wall of the grinding plate (115).
3. The lithium ion battery raw material grinding device according to claim 1, characterized in that: the cooling mechanism (20) comprises a circular cold air pipe I (201), the cold air pipe I (201) is installed at the top of the inner side of the grinding cover (107) through uniformly distributed U-shaped buckles (202), a tee joint I (203) is uniformly connected on the cold air pipe I (201) in series, a spray head (204) is vertically arranged towards the middle joint of the tee joint I (203) in a threaded mode, a tee joint II (205) is further connected in series at the rear side of the cold air pipe I (201), the middle joint of the tee joint II (205) is horizontally arranged towards the rear side and is inserted with a cold air pipe II (206), the cold air pipe II (206) penetrates through the grinding cover (107) and is connected to an external pressure cold air source, a connecting sleeve (117) is fixedly installed in the middle of the grinding shaft (109), a connecting rod (118) horizontally suspended and extends is uniformly welded on the connecting sleeve (117), and a spiral stirring strip (119) is welded at the suspended end of the connecting rod (118).
4. The lithium ion battery raw material grinding device according to claim 1, characterized in that: screening mechanism (30) is including revolving tube (301), rotation axis (304), rotary rod (308), screening board (310) and linkage strip (311), the inside of bin outlet (101 b) and discharge gate (104 b) is located to revolving tube (301) coaxial, the coaxial welding in top of revolving tube (301) has ring flange (302) and with its screwed connection in the bottom of lapping plate (115), the lower tip key connection of revolving tube (301) has band pulley (303), rotation axis (304) are equipped with a pair ofly and symmetric distribution in both sides around revolving tube (301), the lower tip key connection of rotation axis (304) has band pulley two (305), be connected through drive belt (306) between band pulley (303) and band pulley two (305), the lower tip of rotation axis (304) still fixedly connected with crank (307), rotary rod (308) coaxial locate the below of revolving tube (301) and with revolving tube (301) normal running fit, the bottom connection piece (309) of rotary rod (308), screening board (310) welds in the middle part for V structure and with the screening board (309) of the middle part and with the screening board (310) the rectangular shape a), the even welding of screening board (310) is equipped with the middle section (310) and the screening board (310) is equipped with the rectangular shape of screen plate (310 a), the screening board (310) around the screening is equipped with the rectangular shape of the middle section (310), linkage strip (311) are equipped with a pair ofly and the symmetry welds both ends around screening board (310), be equipped with linkage groove (311 a) of rectangle on linkage strip (311), lie in the lower tip of crank (307) of homonymy and slide and locate linkage groove (311 a), guide board (312) are located band pulley (303) directly over and are fixed in the bottom of grinding vessel (101) with it between two parties, rotatory pipe (301) run through guide board (312) and with guide board (312) clearance fit, opening processing is all done at both ends around guide board (312) for oval structure and it, the below symmetric connection of guide board (312) has a pair of vibrating motor (313).
5. The lithium ion battery raw material grinding device according to claim 2, characterized in that: the grinding cylinder (101) and the grinding cover (107) are connected through evenly distributed industrial hasps (108).
6. The lithium ion battery raw material grinding device according to claim 2, characterized in that: the semi-spherical grinding plate (115) has a radius smaller than that of the circular arc-shaped grinding groove (104 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211392802.2A CN115739340A (en) | 2022-11-08 | 2022-11-08 | Lithium ion battery raw and other materials grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211392802.2A CN115739340A (en) | 2022-11-08 | 2022-11-08 | Lithium ion battery raw and other materials grinder |
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| Publication Number | Publication Date |
|---|---|
| CN115739340A true CN115739340A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211392802.2A Pending CN115739340A (en) | 2022-11-08 | 2022-11-08 | Lithium ion battery raw and other materials grinder |
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| CN (1) | CN115739340A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116139998A (en) * | 2023-04-20 | 2023-05-23 | 山东创时代生物工程有限公司 | A tealeaves crushing and grinding equipment for tea polyphenol draws |
| CN117654730A (en) * | 2024-01-29 | 2024-03-08 | 哈尔滨三发新型节能建材有限责任公司 | Grinding device for cement liquid grinding aid |
-
2022
- 2022-11-08 CN CN202211392802.2A patent/CN115739340A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116139998A (en) * | 2023-04-20 | 2023-05-23 | 山东创时代生物工程有限公司 | A tealeaves crushing and grinding equipment for tea polyphenol draws |
| CN116139998B (en) * | 2023-04-20 | 2023-06-30 | 山东创时代生物工程有限公司 | A tealeaves crushing and grinding equipment for tea polyphenol draws |
| CN117654730A (en) * | 2024-01-29 | 2024-03-08 | 哈尔滨三发新型节能建材有限责任公司 | Grinding device for cement liquid grinding aid |
| CN117654730B (en) * | 2024-01-29 | 2024-04-12 | 哈尔滨三发新型节能建材有限责任公司 | Grinding device for cement liquid grinding aid |
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