CN114260071A - Catalyst ball-milling reducing mechanism - Google Patents
Catalyst ball-milling reducing mechanism Download PDFInfo
- Publication number
- CN114260071A CN114260071A CN202111660764.XA CN202111660764A CN114260071A CN 114260071 A CN114260071 A CN 114260071A CN 202111660764 A CN202111660764 A CN 202111660764A CN 114260071 A CN114260071 A CN 114260071A
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- Prior art keywords
- ball milling
- ball
- catalyst
- barrel
- feeding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a catalyst ball-milling crushing device, and belongs to the technical field of chemical equipment. The device comprises a rack, wherein a feeding mechanism, a ball milling mechanism and a screening and receiving mechanism are arranged on the rack; the feeding mechanism comprises a feeding motor, a spiral feeding rod and a feeding hopper, and the output end of the feeding motor is fixedly connected with the spiral feeding rod; the ball milling mechanism comprises a ball milling motor, a ball milling barrel and a ball milling medium, wherein the ball milling barrel is rotationally connected with the ball milling motor, and the ball milling barrel is filled with the ball milling medium; the screening and receiving mechanism comprises a screen, and the screen is sleeved on the ball mill barrel. The invention uses low-speed ball milling and screening, avoids the damage of excessive crushing force such as high shearing, high impact and the like to the microstructure of the catalyst, reduces the catalytic reaction activity of the catalyst, can select ball milling media with different materials and sizes according to the hardness and the wear-resisting strength of the target catalyst, selects proper mesh number, and is suitable for the continuous production of granular and powdery catalysts.
Description
Technical Field
The invention relates to a catalyst ball-milling crushing device, and belongs to the technical field of chemical equipment.
Background
The carbon nano tube synthesized by using a Catalytic Chemical Vapor Deposition (CCVD) method is widely applied to a lithium battery conductive agent in recent years, and the battery capacity, the charge and discharge efficiency and the safety performance of the lithium battery are remarkably improved. The activity of the catalyst plays a key role in the yield and purity of the synthesized carbon nanotubes.
The existing screening device for crushing the catalyst, such as a vibrating screen, has the problem of low efficiency; while more efficient mills, such as mechanical or pneumatic mills, the high shear and impact forces tend to destroy the catalyst microstructure, leading to a reduction in the catalytic activity of the catalyst or even complete deactivation.
Disclosure of Invention
The invention aims to provide a catalyst ball-milling crushing device which uses low-speed ball-milling screening to avoid the damage of excessive crushing force such as high shear, high impact and the like on the microstructure of a catalyst to reduce the catalytic reaction activity of the catalyst, can select ball-milling media with different materials and sizes according to the hardness and the wear-resisting strength of a target catalyst, can select proper screen mesh number according to the granularity of the target catalyst, and is suitable for the continuous production of granular and powdery catalysts.
The invention provides a catalyst ball-milling crushing device which comprises a rack, wherein a feeding mechanism, a ball-milling mechanism and a screening and receiving mechanism are arranged on the rack; the feeding mechanism comprises a feeding motor, a spiral feeding rod and a feeding hopper, and the output end of the feeding motor is fixedly connected with the spiral feeding rod; the ball milling mechanism comprises a ball milling motor, a ball milling barrel and a ball milling medium, wherein the ball milling barrel is rotationally connected with the ball milling motor, and the ball milling barrel is filled with the ball milling medium; the screening and receiving mechanism comprises a screen, and the screen is sleeved on the ball mill barrel.
In one embodiment of the invention, the feeding hopper is positioned above the spiral feeding rod, and a punching protection plate is arranged in the feeding hopper.
In one embodiment of the present invention, the ball mill casing is disposed outside the ball mill barrel, and the ball mill barrel is provided with a plurality of holes.
In one embodiment of the invention, the ball milling media comprise zirconia balls, silicon carbide balls, polytetrafluoroethylene balls, and polyurethane balls.
In one embodiment of the invention, the screening and receiving mechanism further comprises a material returning port, a recovery cover, a material discharging butterfly valve and a material receiving bag; the recovery cover is arranged below the screen, and a material receiving bag is connected below the recovery cover through a material discharging butterfly valve.
In one embodiment of the invention, the ball mill cylinder is in communication with a screw feed rod that pushes catalyst into the ball mill cylinder.
In one embodiment of the invention, the ball mill cylinder is coaxial with the spiral feed rod.
In one embodiment of the invention, the feeding motor and the ball milling motor are both connected with a speed reducer.
In one embodiment of the present invention, the ball mill cylinder, the recovery cover, and the screen are made of stainless steel.
In one embodiment of the invention, the screen is located between the ball mill cylinder and the ball mill housing.
Advantageous effects
1. The invention uses low-speed ball milling and screening, avoids the damage of excessive crushing force such as high shearing, high impact and the like to the microstructure of the catalyst, so that the catalytic reaction activity of the catalyst is reduced, ball milling media with different materials and sizes can be selected according to the hardness and the wear-resisting strength of the target catalyst, and the proper mesh number can be selected according to the granularity of the target catalyst, so that the invention is suitable for the continuous production of granular and powdery catalysts.
2. The punching protection plate provided by the invention can prevent foreign matters from falling into the spiral feeding rod to cause material pollution during feeding, and prevent operators from extending hands into the spiral feeding rod to cause personal injury during feeding.
3. The ball milling medium can be selected according to the requirement of the wear resistance of the material, the catalyst ball milling medium with high crushing hardness is zirconia balls or silicon carbide balls, and the catalyst ball milling medium with low crushing hardness is polytetrafluoroethylene balls or polyurethane balls.
4. The ball milling cylinder body rotates at a low speed under the driving of the ball milling motor, ball milling media filled in the ball milling cylinder body rub, extrude and collide with catalyst particles to achieve the purpose of crushing materials, and the crushed materials fall through holes in the ball milling cylinder body, so that the ball milling cylinder is simple in structure and convenient and fast to operate.
5. The mesh number of the screen is selected according to the characteristic requirements of the product, the screen is convenient for screening the materials with the particles smaller than the mesh number of the screen to a recovery cover for collection when the ball mill cylinder rotates, and then the materials slide to a discharge butterfly valve, so that the directional collection of the catalyst is realized.
6. The material returning port arranged in the invention returns oversize materials of the screen mesh to the ball milling cylinder body for continuous ball milling until the particles can fall down from the screen mesh after being fully crushed, thereby realizing the full crushing of catalyst particles and ensuring the quality of products.
7. The ball milling cylinder body and the spiral feeding rod are coaxial, so that the stability of the ball milling cylinder body during rotation is ensured, the feeding motor and the ball milling motor are both connected with the speed reducer, low-speed ball milling screening is realized, and the phenomenon that the catalytic reaction activity of the catalyst is reduced because the microstructure of the catalyst is damaged by excessive crushing force such as high shear, high impact and the like is avoided.
Drawings
FIG. 1 is a front view of a catalyst ball mill pulverizing apparatus according to the present invention.
Fig. 2 is a side view of the catalyst ball mill pulverizing apparatus of the present invention.
Wherein: 1. a frame; 2. a charging motor; 3. a screw feeding rod; 4. a hopper; 5. punching a protection plate; 6. a ball milling motor; 7. a ball milling cylinder; 8. ball milling a medium; 9. returning the material port; 10. screening a screen; 11. ball milling of the outer shell; 12. a recovery cover; 13. a discharge butterfly valve; 14. and (6) a material receiving bag.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1
A catalyst ball-milling reducing mechanism, as shown in figure 1 or 2, comprises a frame 1, wherein a feeding mechanism, a ball-milling mechanism and a screening and receiving mechanism are arranged on the frame 1.
The feeding mechanism comprises a feeding motor 2, a spiral feeding rod 3, a feeding hopper 4 and a punching protection plate 5, wherein the output end of the feeding motor 2 is fixedly connected with the spiral feeding rod 3, the feeding motor 2 drives the spiral feeding rod 3 to rotate, the feeding hopper 4 is positioned above the spiral feeding rod 3, and the punching protection plate 5 is arranged in the feeding hopper 4; the spiral feeding rod 3 is used for pushing the catalyst to the ball milling mechanism; the protection shield 5 that punches a hole is used for preventing when throwing the material that the foreign matter falls into spiral feeding rod 3 and causes the material pollution to and when preventing to throw the material that operating personnel stretches into spiral feeding rod 3 with the hand and arouses bodily injury.
The ball milling mechanism comprises a ball milling motor 6, a ball milling barrel 7, a ball milling medium 8 and a ball milling outer shell 11, wherein the ball milling barrel 7 is rotatably connected with the ball milling motor 6, the ball milling motor 6 drives the ball milling barrel 7 to rotate, the ball milling outer shell 11 is arranged outside the ball milling barrel 7, and the ball milling barrel 7 is filled with the ball milling medium 8; the ball milling medium 8 is selected according to the requirement of the wear resistance of the material, the catalyst ball milling medium 8 with high crushing hardness is zirconia balls or silicon carbide balls, the catalyst ball milling medium 8 with low crushing hardness is polytetrafluoroethylene balls or polyurethane balls, and the filling amount of the ball milling medium 8 is 1/3-1/2 of the effective volume of the ball milling cylinder 7. The ball milling barrel 7 is a stainless steel barrel, a plurality of holes are formed in the barrel, the ball milling barrel 7 is driven by the ball milling motor 6 to rotate at a low speed, the rotating speed is 30-90 rpm, ball milling media 8 filled in the ball milling barrel 7 rub, extrude and collide with catalyst particles, the purpose of crushing materials is achieved, and the crushed materials fall down through the holes in the ball milling barrel 7.
The screening and receiving mechanism comprises a material returning port 9, a screen 10, a recovery cover 12, a discharge butterfly valve 13 and a receiving bag 14; the screen cloth 10 cover is on ball mill barrel 7, and the below of screen cloth 10 is equipped with retrieves cover 12, the below of retrieving cover 12 is connected with through ejection of compact butterfly valve 13 and receives the pocket 14, and screen cloth 10 is located between ball mill barrel 7 and the ball-milling shell body 11, fixes on the wheel hub of ball mill barrel 7 through the clamp, and screen cloth 10's mesh is selected according to product characteristic requirement, assembles 50 ~ 200 mesh screen cloth 10, and the material sieve that is less than screen cloth 10 mesh with the granule when being convenient for ball mill barrel 7 rotates is collected to retrieving cover 12, then the landing to ejection of compact butterfly valve 13. The discharging butterfly valve 13 is opened to enable the materials to naturally fall into the receiving bag 14 for packaging and sealing. The material returning port 9 is used for returning oversize materials of the screen mesh 10 to the ball milling cylinder 7 for continuous ball milling until the particles are fully crushed and then can fall from the screen mesh.
Further, the ball mill cylinder 7 is communicated with the spiral feeding rod 3, and the spiral feeding rod 3 pushes the catalyst into the ball mill cylinder 7.
Further, the ball mill cylinder 7 and the spiral feeding rod 3 are coaxial.
Further, the feeding motor 2 and the ball milling motor 6 are both connected with a speed reducer.
Further, the ball mill cylinder 7, the recovery cover 12 and the screen 10 are made of stainless steel.
The working principle of the invention is as follows: catalyst materials enter the spiral feeding rod 3 from the feeding hopper 4, the spiral feeding rod 3 pushes the catalyst to the ball milling cylinder body, the ball milling cylinder body 7 rotates at a low speed under the driving of the ball milling motor 6, ball milling media 8 filled in the ball milling cylinder body 7 rub with catalyst particles, are extruded and collide to achieve the purpose of crushing the materials, the crushed materials fall through holes in the ball milling cylinder body 7, the assembled screen 10 screens the materials with the particle size smaller than that of the screen 10 to the recovery cover 12 for collection when the ball milling cylinder body 7 rotates, then slide to the discharge butterfly valve 13, the discharge butterfly valve 13 is opened to enable the materials to naturally fall into the material receiving bag 14 for packaging and sealing, the material returning port 9 returns oversize materials of the screen 10 to the ball milling cylinder body 7 for continuous ball milling, and the materials can fall from the screen until the particles are fully crushed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. The catalyst ball-milling crushing device is characterized by comprising a rack, wherein a feeding mechanism, a ball-milling mechanism and a screening and receiving mechanism are arranged on the rack; the feeding mechanism comprises a feeding motor, a spiral feeding rod and a feeding hopper, and the output end of the feeding motor is fixedly connected with the spiral feeding rod; the ball milling mechanism comprises a ball milling motor, a ball milling barrel and a ball milling medium, wherein the ball milling barrel is rotationally connected with the ball milling motor, and the ball milling barrel is filled with the ball milling medium; the screening and receiving mechanism comprises a screen, and the screen is sleeved on the ball mill barrel.
2. The catalyst ball milling pulverizer of claim 1 wherein the hopper is positioned above the auger feed bar and a perforated guard plate is positioned within the hopper.
3. The catalyst ball milling pulverizer as recited in claim 2, wherein the ball milling barrel is provided with an outer ball milling housing, and the ball milling barrel is provided with a plurality of holes.
4. The catalyst ball milling comminution apparatus of claim 3, wherein the ball milling media comprises zirconia balls, silicon carbide balls, polytetrafluoroethylene balls, and polyurethane balls.
5. The catalyst ball-milling pulverizing device of claim 4, wherein the screening and receiving mechanism further comprises a material return port, a material recovery cover, a material discharge butterfly valve and a material receiving bag; the recovery cover is arranged below the screen, and a material receiving bag is connected below the recovery cover through a material discharging butterfly valve.
6. The catalyst ball milling pulverizer of claim 5 wherein the ball mill cylinder communicates with a screw feed rod that pushes catalyst into the ball mill cylinder.
7. The catalyst ball milling pulverizer of claim 6 wherein the ball mill cylinder is coaxial with the helical feed rod.
8. The catalyst ball milling pulverizer of claim 7, wherein the feeding motor and the ball milling motor are both connected with a speed reducer.
9. The catalyst ball milling pulverizer of claim 8, wherein the ball mill cylinder, the recovery cover, and the screen are made of stainless steel.
10. The catalyst ball mill comminution apparatus of claim 9, wherein the screen is positioned between the ball mill barrel and the outer ball mill housing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660764.XA CN114260071A (en) | 2021-12-31 | 2021-12-31 | Catalyst ball-milling reducing mechanism |
| PCT/CN2022/081318 WO2023123693A1 (en) | 2021-12-31 | 2022-03-17 | Catalyst ball milling and crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660764.XA CN114260071A (en) | 2021-12-31 | 2021-12-31 | Catalyst ball-milling reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114260071A true CN114260071A (en) | 2022-04-01 |
Family
ID=80832218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111660764.XA Pending CN114260071A (en) | 2021-12-31 | 2021-12-31 | Catalyst ball-milling reducing mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114260071A (en) |
| WO (1) | WO2023123693A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003220346A (en) * | 2002-01-30 | 2003-08-05 | Kurimoto Shoji Kk | Wet ball mill |
| CN201254387Y (en) * | 2008-06-13 | 2009-06-10 | 上海金发科技发展有限公司 | Safety protection type delivery |
| CN202143853U (en) * | 2011-05-30 | 2012-02-15 | 河南省惠丰金刚石有限公司 | Diamond micron powder crushing and screening machine |
| CN204933580U (en) * | 2015-07-10 | 2016-01-06 | 无锡新洋设备科技有限公司 | A kind of automatic screening ball mill |
| CN207169580U (en) * | 2017-09-07 | 2018-04-03 | 苏州柏晟纳米材料科技有限公司 | A kind of three dimension high efficiency mixer |
| CN209049466U (en) * | 2018-09-18 | 2019-07-02 | 余姚市鑫和电池材料有限公司 | A kind of ball mill continuously preparing micro-nano ternary precursor |
| CN209438714U (en) * | 2018-10-18 | 2019-09-27 | 宝鸡泰力松新材料有限公司 | A kind of ball-grinding machine for hydrogenation and dehydrogenization production |
| CN213669623U (en) * | 2020-10-28 | 2021-07-13 | 无锡新洋设备科技有限公司 | Automatic feeding screening ball mill |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101703948A (en) * | 2009-12-02 | 2010-05-12 | 淮北煤炭师范学院 | Novel method for preparing compound high-activity photocatalyst |
-
2021
- 2021-12-31 CN CN202111660764.XA patent/CN114260071A/en active Pending
-
2022
- 2022-03-17 WO PCT/CN2022/081318 patent/WO2023123693A1/en unknown
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003220346A (en) * | 2002-01-30 | 2003-08-05 | Kurimoto Shoji Kk | Wet ball mill |
| CN201254387Y (en) * | 2008-06-13 | 2009-06-10 | 上海金发科技发展有限公司 | Safety protection type delivery |
| CN202143853U (en) * | 2011-05-30 | 2012-02-15 | 河南省惠丰金刚石有限公司 | Diamond micron powder crushing and screening machine |
| CN204933580U (en) * | 2015-07-10 | 2016-01-06 | 无锡新洋设备科技有限公司 | A kind of automatic screening ball mill |
| CN207169580U (en) * | 2017-09-07 | 2018-04-03 | 苏州柏晟纳米材料科技有限公司 | A kind of three dimension high efficiency mixer |
| CN209049466U (en) * | 2018-09-18 | 2019-07-02 | 余姚市鑫和电池材料有限公司 | A kind of ball mill continuously preparing micro-nano ternary precursor |
| CN209438714U (en) * | 2018-10-18 | 2019-09-27 | 宝鸡泰力松新材料有限公司 | A kind of ball-grinding machine for hydrogenation and dehydrogenization production |
| CN213669623U (en) * | 2020-10-28 | 2021-07-13 | 无锡新洋设备科技有限公司 | Automatic feeding screening ball mill |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023123693A1 (en) | 2023-07-06 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220401 |