CN112090521B - Ball mill is used in nano-material preparation - Google Patents
Ball mill is used in nano-material preparation Download PDFInfo
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- CN112090521B CN112090521B CN202011020506.0A CN202011020506A CN112090521B CN 112090521 B CN112090521 B CN 112090521B CN 202011020506 A CN202011020506 A CN 202011020506A CN 112090521 B CN112090521 B CN 112090521B
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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
- B02C17/10—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 with one or a few disintegrating members arranged in the container
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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
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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
- B02C17/183—Feeding or discharging devices
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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
- B02C17/183—Feeding or discharging devices
- B02C17/186—Adding fluid, other than for crushing by fluid energy
- B02C17/1875—Adding fluid, other than for crushing by fluid energy passing gas through crushing zone
- B02C17/188—Adding fluid, other than for crushing by fluid energy passing gas through crushing zone characterised by point of gas entry or exit or by gas flow path
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a ball mill for preparing a nano material, which relates to the technical field of nano material preparation, and comprises a cylinder, a first base, a driving structure and a brake mechanism, and is characterized in that: a grinding ball is arranged in the cylinder, one end of the cylinder is fixedly connected with a connecting shaft, and the other end of the cylinder is communicated with a feeding pipe; a second bearing column is fixedly mounted on one side of the top of the first base, a first bearing column is fixedly mounted on the other side of the top of the first base, a second bearing is embedded in the second bearing column, and a first bearing is embedded in the first bearing column. According to the ball mill, the relative spiral conveying function is adopted for feeding in the feeding process, the air guide function is adopted for discharging in the discharging process, the feeding and discharging convenience is improved, the acting force between the grinding balls and the cylinders is increased, the grinding effect is improved, the ball mill has the braking function, and the idling time is shortened.
Description
Technical Field
The invention relates to the technical field of nano material preparation, in particular to a ball mill for nano material preparation.
Background
Nano-materials are materials with at least one dimension in the three-dimensional space in the nano-size (1-100nm) or composed of them as basic units, which is about equivalent to the dimension of 10-1000 atoms closely arranged together, because its dimension is already close to the coherence length of electrons, its properties are changed greatly due to self-organization caused by strong coherence, and its dimension is close to the wavelength of light, and in addition, it has special effect of large surface, so its performance characteristics, such as melting point, magnetism, optics, heat conduction, electric conduction, etc., are often different from the performance characteristics of the substance in the bulk state. In the process of preparing nano materials, a ball mill is needed to grind materials until the materials reach the nano level.
However, in the prior art, most ball mills for preparing nano materials drop by the self weight of grinding balls to grind materials, so that the acting force is low, the grinding effect is reduced, and when most ball mills stop working, a cylinder idles for a period of time due to inertia, and only can stop waiting at the moment, so that the working efficiency is reduced.
Disclosure of Invention
The present invention is directed to a ball mill for preparing nano materials, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a ball mill is used in nano-material preparation, includes drum, first base, drive structure and brake mechanism, its characterized in that: a grinding ball is arranged in the cylinder, one end of the cylinder is fixedly connected with a connecting shaft, and the other end of the cylinder is communicated with a feeding pipe;
the device comprises a first base, a second base and a controller, wherein a second bearing column is fixedly mounted on one side of the top of the first base, a first bearing column is fixedly mounted on the other side of the top of the first base, a second bearing is embedded in the second bearing column, a first bearing is embedded in the first bearing column, and the controller is fixedly mounted on the surface of the first base.
As a further scheme of the invention: the drum is arranged between the first bearing column and the second bearing column and is respectively matched with the first bearing column and the second bearing column, the connecting shaft penetrates through the second bearing and is fixedly connected with the second bearing, the feeding pipe penetrates through the first bearing and is fixedly connected with the first bearing.
As a still further scheme of the invention: one side intercommunication that the drum was kept away from to the inlet pipe has the feeder hopper, one side fixed mounting that the drum was kept away from to first bearing post has n type frame, one side fixedly connected with cross axle of n type frame, the outer fixed surface of cross axle is connected with the flight, the cross axle is in the inside of feeder hopper and inlet pipe respectively, the flight respectively with feeder hopper and inlet pipe looks adaptation.
As a still further scheme of the invention: the driving structure comprises a second base, a driving motor, a driving shaft and a coupler, wherein a pinion is fixedly connected to the outer surface of the driving shaft, the driving motor is fixedly installed at the top of the second base, the output end of the driving motor is rotatably connected with the driving shaft through the coupler, a gear wheel is fixedly connected to the outer surface of one side of the cylinder, the pinion is matched with the gear wheel, and the pinion is connected with the gear wheel through meshing.
As a still further scheme of the invention: the grinding ball is provided with a plurality of, a plurality of the grinding ball is in the inside of drum respectively, the inside of grinding ball is provided with permanent magnet, the top of first base is provided with the recess, the inside fixed mounting of recess has a plurality of electric telescopic handle, electric telescopic handle's top fixed mounting has the electro-magnet, electro-magnet and permanent magnet looks adaptation, and the electro-magnet is in the below of drum.
As a still further scheme of the invention: the cylinder and the grinding ball are both components made of carbon-iron alloy materials, and the grinding ball is matched with the inside of the cylinder.
As a still further scheme of the invention: brake mechanism is including riser, regulating plate and brake disc, the top of riser is provided with the adjustment tank, the inside fixed mounting of adjustment tank has electronic jar, the inner wall fixed mounting of brake disc has the brake block, the output of electronic jar passes through the regulating plate with the outer wall of brake disc and is connected, brake mechanism is provided with two, two the side around the riser symmetry fixed mounting at first base top.
As a still further scheme of the invention: the brake block is matched with the cylinder, the brake block is in a minor arc shape, and the brake block is a component made of rubber.
As a still further scheme of the invention: the air guide device is characterized in that a first round hole is formed in one side of the cylinder, a second round hole is formed in the other side of the cylinder, an air guide pipe is fixedly mounted on the inner wall of one side, close to the first round hole, of the cylinder, round covers matched with the first round hole are fixedly mounted on the first round hole and the second round hole, the first round hole is communicated with the air guide pipe, the air guide pipe is shaped like a minor arc, and the air guide pipe is matched with the inner wall of the cylinder.
As a still further scheme of the invention: the controller is externally connected with a power supply, and the driving motor, the electric telescopic rod, the electromagnet, the electric cylinder and the controller are all electrically connected through leads.
Compared with the prior art, the invention has the beneficial effects that:
1. through the matching use among the n-shaped frame, the transverse shaft and the spiral sheet, in the rotating process of the cylinder, the transverse shaft and the spiral sheet realize relative rotation relative to the feeding pipe and the feeding hopper, so that the spiral conveying function is realized, and compared with the traditional bedroom ball mill, the convenience of feeding is improved;
2. through the matching use of the groove, the electric telescopic rod, the electromagnet and the permanent magnet, the acting force between the grinding balls and the inner wall of the cylinder when the grinding balls fall is increased, namely, the grinding effect is increased;
3. the vertical plate, the adjusting groove, the electric cylinder, the adjusting plate, the brake disc and the brake pad are matched for use, so that the function of braking the cylinder is realized, the idle time of the cylinder is reduced, and the working efficiency is increased;
4. through the cooperation use between first round hole, guide duct and the second round hole, make the air flow along the inner wall of drum, discharge the material from the second round hole through the function of air water conservancy diversion, increased the convenience of unloading.
Drawings
Fig. 1 is a schematic structural diagram of a ball mill for preparing nano materials.
FIG. 2 is a front sectional view of an n-type frame, a feeding pipe and a feeding hopper in a ball mill for preparing nano materials.
Fig. 3 is a cross-sectional view of a side view of a ball mill for nanomaterial fabrication.
Fig. 4 is another sectional view of a side view of a ball mill for nanomaterial fabrication.
The labels in the figure are: 1. a cylinder; 2. a first base; 3. a second base; 4. a controller; 5. a first load bearing column; 6. a second load bearing column; 7. a first bearing; 8. a second bearing; 9. a feed pipe; 10. a connecting shaft; 11. a feed hopper; 12. an n-type frame; 13. a horizontal axis; 14. a drive motor; 15. a drive shaft; 16. a coupling; 17. a pinion gear; 18. a bull gear; 19. a first circular hole; 20. a second circular hole; 21. a vertical plate; 22. an adjusting plate; 23. a brake disc; 24. a spiral sheet; 25. grinding balls; 26. a permanent magnet; 27. a groove; 28. an electric telescopic rod; 29. an electromagnet; 30. an adjustment groove; 31. an electric cylinder; 32. a brake pad; 33. an air guide pipe.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are used merely to facilitate description of the present invention and to simplify description, and do not indicate or imply that the referenced devices or elements must have the particular orientations, configurations and operations described in the specification, and therefore are not to be considered limiting.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Referring to fig. 1 to 4, in an embodiment of the present invention, a ball mill for preparing nano materials includes a cylinder 1, a first base 2, a driving structure and a braking mechanism, and is characterized in that: a grinding ball 25 is arranged in the cylinder 1, one end of the cylinder 1 is fixedly connected with a connecting shaft 10, and the other end of the cylinder 1 is communicated with a feeding pipe 9;
a second bearing column 6 is fixedly mounted on one side of the top of the first base 2, a first bearing column 5 is fixedly mounted on the other side of the top of the first base 2, a second bearing 8 is embedded in the second bearing column 6, a first bearing 7 is embedded in the first bearing column 5, and a controller 4 is fixedly mounted on the surface of the first base 2.
In some embodiments of the present invention, the cylinder 1 is located between the first bearing column 5 and the second bearing column 6, the cylinder 1 is respectively matched with the first bearing column 5 and the second bearing column 6, the connecting shaft 10 penetrates through the second bearing 8, the connecting shaft 10 is fixedly connected with the second bearing 8, the feeding pipe 9 penetrates through the first bearing 7, and the feeding pipe 9 is fixedly connected with the first bearing 7.
The cylinder 1 is positioned through the first bearing 7 and the feeding pipe 9, and the second bearing 8 and the connecting shaft 10, so that the rotation of the cylinder 1 is facilitated to realize the grinding.
In some embodiments of the present invention, a side of the feeding pipe 9 away from the drum 1 is communicated with the feeding hopper 11, a side of the first support column 5 away from the drum 1 is fixedly provided with an n-shaped frame 12, a side of the n-shaped frame 12 is fixedly connected with a horizontal shaft 13, an outer surface of the horizontal shaft 13 is fixedly connected with a spiral piece 24, the horizontal shaft 13 is respectively located inside the feeding hopper 11 and the feeding pipe 9, and the spiral piece 24 is respectively matched with the feeding hopper 11 and the feeding pipe 9.
The rotation is realized through the transverse shaft 13 and the spiral piece 24 relative to the feeding pipe 9 and the feeding hopper 11, namely, the feeding of materials into the cylinder 1 is facilitated, and the use convenience is improved.
In some embodiments of the present invention, the driving structure includes a second base 3, a driving motor 14, a driving shaft 15 and a coupling 16, a small gear 17 is fixedly connected to an outer surface of the driving shaft 15, the driving motor 14 is fixedly installed on a top of the second base 3, an output end of the driving motor 14 is rotatably connected to the driving shaft 15 through the coupling 16, a large gear 18 is fixedly connected to an outer surface of one side of the cylinder 1, the small gear 17 is matched with the large gear 18, and the small gear 17 is engaged with the large gear 18 to drive the cylinder 1 to rotate.
In some embodiments of the present invention, a plurality of grinding balls 25 are provided, the plurality of grinding balls 25 are respectively located inside the cylinder 1, a permanent magnet 26 is provided inside the grinding balls 25, a groove 27 is provided on the top of the first base 2, a plurality of electric telescopic rods 28 are fixedly installed inside the groove 27, an electromagnet 29 is fixedly installed on the top of the electric telescopic rods 28, the electromagnet 29 is adapted to the permanent magnet 26, the electromagnet 29 is located below the cylinder 1, the cylinder 1 and the grinding balls 25 are both members made of carbon-iron alloy, and the grinding balls 25 are adapted to the inside of the cylinder 1.
The distance between the electromagnet 29 and the cylinder 1 is adjusted through the electric telescopic rod 28, namely the distance between the electromagnet 29 and the permanent magnet 26 can be adjusted, so that the acting force of the grinding balls 25 falling to the inner wall of the cylinder 1 can be controlled, and the grinding effect is improved.
In some embodiments of the invention, the brake mechanism includes a vertical plate 21, an adjusting plate 22 and a brake disc 23, an adjusting groove 30 is arranged on the top of the vertical plate 21, an electric cylinder 31 is fixedly installed inside the adjusting groove 30, a brake pad 32 is fixedly installed on the inner wall of the brake disc 23, the output end of the electric cylinder 31 is connected with the outer wall of the brake disc 23 through the adjusting plate 22, the two vertical plates 21 are symmetrically and fixedly installed on the front side and the rear side of the top of the first base 2, the brake pad 32 is matched with the cylinder 1, the brake pad 32 is in a minor arc shape, and the brake pad 32 is a rubber component.
The electric cylinder 31, the adjusting plate 22, the brake disc 23 and the brake pad 32 realize the braking function in the rotating process of the cylinder 1, reduce the idling time and increase the working efficiency.
In some embodiments of the present invention, a first circular hole 19 is formed on one side of the cylinder 1, a second circular hole 20 is formed on the other side of the cylinder 1, an air guide pipe 33 is fixedly installed on an inner wall of one side of the cylinder 1, which is close to the first circular hole 19, circular covers adapted to the first circular hole 19 and the second circular hole 20 are both fixedly installed on the first circular hole 19 and the second circular hole 20, the first circular hole 19 is communicated with the air guide pipe 33, the air guide pipe 33 is shaped like a minor arc, and the air guide pipe 33 is adapted to the inner wall of the cylinder 1.
It is convenient to move the air along the inside of the cylinder 1 by feeding the air into the first circular hole 19 in order to take the material out of the second circular hole 20.
In some embodiments of the present invention, the controller 4 is externally connected with a power supply, and the driving motor 14, the electric telescopic rod 28, the electromagnet 29 and the electric cylinder 31 are electrically connected with the controller 4 through wires, so as to conveniently control the operation of the ball opening mill.
The working principle of the invention is as follows:
in the grinding process, a driving motor 14 applies work to drive a driving shaft 15 to rotate through a coupling 16, the driving shaft 15 drives a cylinder 1 to rotate through the meshing connection between a pinion 17 and a gearwheel 18, in the process, the cylinder 1 is positioned through the connection between a first bearing 7 and a feeding pipe 9 and between a second bearing 8 and a connecting shaft 10, the friction force generated when the cylinder 1 rotates is reduced, the cylinder 1 rotates conveniently so as to realize grinding, the cylinder 1 drives the feeding pipe 9 and a feeding hopper 11 to rotate, at the moment, a transverse shaft 13 and a spiral sheet 24 rotate relatively relative to the feeding pipe 9 and the feeding hopper 11, the spiral conveying function is realized, namely, the materials are conveniently put into the cylinder 1, compared with a traditional bedroom ball mill, the convenience of material input is increased, the cylinder 1 rotates to drive a grinding ball 25 to move upwards, when the grinding ball 25 moves to a certain height, the grinding ball drops to the inner wall of the bottom of the cylinder 1 through self gravity, the materials are ground until the ground materials reach the nanometer level, and meanwhile, the distance between the electromagnet 29 and the cylinder 1 is adjusted through the electric telescopic rod 28, so that the distance between the electromagnet 29 and the permanent magnet 26 can be adjusted, namely, the acting force of the grinding balls 25 falling to the inner wall of the cylinder 1 is increased, and the grinding effect is increased.
In the braking process, the electric cylinder 31 applies work to drive the adjusting plate 22 to move upwards, and the adjusting plate 22 drives the brake disc 23 to move upwards until the brake pad 32 is contacted with the cylinder 1, so that the braking function is achieved, the idling time of the cylinder 1 is reduced, and the working efficiency is improved.
At the in-process of unloading, at first control drive structure stop work, then open the dome on first round hole 19 and the second round hole 20 respectively, then through the air-blower to first round hole 19 in the air delivery, the air gets into the inside of guide duct 33 through first round hole 19, then makes the air remove along the inside of drum 1 through guide duct 33 again, and the air is discharged through the second round hole at last, can take the material out from second round hole 20, has increased the convenience of unloading.
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 and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a ball mill is used in nano-material preparation, includes drum (1), first base (2), drive structure and brake mechanism, its characterized in that: a grinding ball (25) is arranged in the cylinder (1), one end of the cylinder (1) is fixedly connected with a connecting shaft (10), and the other end of the cylinder (1) is communicated with a feeding pipe (9);
a second bearing column (6) is fixedly installed on one side of the top of the first base (2), a first bearing column (5) is fixedly installed on the other side of the top of the first base (2), a second bearing (8) is embedded in the second bearing column (6), a first bearing (7) is embedded in the first bearing column (5), and a controller (4) is fixedly installed on the surface of the first base (2);
one side, far away from the cylinder (1), of the feeding pipe (9) is communicated with a feeding hopper (11), one side, far away from the cylinder (1), of the first bearing column (5) is fixedly provided with an n-shaped frame (12), one side of the n-shaped frame (12) is fixedly connected with a transverse shaft (13), the outer surface of the transverse shaft (13) is fixedly connected with a spiral sheet (24), the transverse shaft (13) is respectively located inside the feeding hopper (11) and the feeding pipe (9), and the spiral sheet (24) is respectively matched with the feeding hopper (11) and the feeding pipe (9);
the grinding balls (25) are arranged in a plurality of numbers, the grinding balls (25) are respectively positioned in the cylinder (1), a permanent magnet (26) is arranged in the grinding balls (25), a groove (27) is formed in the top of the first base (2), a plurality of electric telescopic rods (28) are fixedly installed in the groove (27), an electromagnet (29) is fixedly installed on the top of the electric telescopic rods (28), the electromagnet (29) is matched with the permanent magnet (26), and the electromagnet (29) is positioned below the cylinder (1);
the cylinder (1) and the grinding ball (25) are both components made of carbon-iron alloy materials, and the grinding ball (25) is matched with the interior of the cylinder (1);
first round hole (19) have been seted up to one side of drum (1), and second round hole (20) have been seted up to the opposite side of drum (1), drum (1) is close to one side inner wall fixed mounting of first round hole (19) has guide duct (33), all fixed mounting has the dome rather than the looks adaptation on first round hole (19) and second round hole (20), first round hole (19) and guide duct (33) intercommunication, guide duct (33) are minor arc shape, and guide duct (33) and the inner wall looks adaptation of drum (1).
2. The ball mill for nanomaterial preparation according to claim 1, characterized in that: drum (1) is in first bearing post (5) and second and bears between post (6), and drum (1) bear post (5) and second respectively and bear post (6) looks adaptation, connecting axle (10) run through in second bearing (8), and connecting axle (10) and second bearing (8) fixed connection, inlet pipe (9) run through in first bearing (7), and inlet pipe (9) and first bearing (7) fixed connection.
3. The ball mill for nanomaterial preparation according to claim 1, characterized in that: drive structure is including second base (3), driving motor (14), drive shaft (15) and shaft coupling (16), the outer fixed surface of drive shaft (15) is connected with pinion (17), driving motor (14) fixed mounting is at the top of second base (3), and the output of driving motor (14) and drive shaft (15) pass through shaft coupling (16) and rotate and be connected, one side outer fixed surface of drum (1) is connected with gear wheel (18), pinion (17) and gear wheel (18) looks adaptation, and pinion (17) and gear wheel (18) are connected through the meshing.
4. The ball mill for nanomaterial preparation according to claim 3, characterized in that: brake mechanism is including riser (21), regulating plate (22) and brake disc (23), the top of riser (21) is provided with adjustment tank (30), the inside fixed mounting of adjustment tank (30) has electronic jar (31), the inner wall fixed mounting of brake disc (23) has brake block (32), the output of electronic jar (31) passes through regulating plate (22) with the outer wall of brake disc (23) and is connected, brake mechanism is provided with two, two the front and back side at first base (2) top is fixed mounting to riser (21) symmetry.
5. The ball mill for nanomaterial preparation according to claim 4, characterized in that: the brake pad (32) is matched with the cylinder (1), the brake pad (32) is in a minor arc shape, and the brake pad (32) is a rubber component.
6. The ball mill for nanomaterial preparation according to claim 4, characterized in that: the controller (4) is externally connected with a power supply, and the driving motor (14), the electric telescopic rod (28), the electromagnet (29), the electric cylinder (31) and the controller (4) are all electrically connected through a lead.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011020506.0A CN112090521B (en) | 2020-09-25 | 2020-09-25 | Ball mill is used in nano-material preparation |
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| CN202011020506.0A CN112090521B (en) | 2020-09-25 | 2020-09-25 | Ball mill is used in nano-material preparation |
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| CN112090521A CN112090521A (en) | 2020-12-18 |
| CN112090521B true CN112090521B (en) | 2021-12-31 |
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| CN113058702B (en) * | 2021-02-07 | 2022-10-25 | 江西胜美合成材料有限公司 | Titanium white powder ball-milling rubbing crusher |
| CN113996397A (en) * | 2021-08-30 | 2022-02-01 | 陈宪良 | Rod mill applied to mineral processing operation and application method thereof |
| CN114308276A (en) * | 2021-12-09 | 2022-04-12 | 贵州师范大学 | Magnetic field assisted mechanical ball milling method and device |
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Effective date of registration: 20211214 Address after: 255000 Nan Ding Zhen Cui Jun Cun Nan Shou, Zhangdian District, Zibo City, Shandong Province Applicant after: Zibo Luxing aluminum based new material Co.,Ltd. Address before: Zhejiang Business University, No.18 Xuezheng street, Xiasha Higher Education Park, Hangzhou, Zhejiang 310000 Applicant before: Shao Hongyuan |
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