CN114918012B - Multi-section ball mill - Google Patents
Multi-section ball mill Download PDFInfo
- Publication number
- CN114918012B CN114918012B CN202210521174.7A CN202210521174A CN114918012B CN 114918012 B CN114918012 B CN 114918012B CN 202210521174 A CN202210521174 A CN 202210521174A CN 114918012 B CN114918012 B CN 114918012B
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- gear ring
- roller
- vertical plate
- eccentric gear
- eccentric
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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
- B02C17/181—Bearings specially adapted for tumbling mills
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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
- B02C17/24—Driving mechanisms
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The utility model provides a multistage formula ball mill, its includes frame, its characterized in that: a plurality of roller mechanisms are arranged on the rack in a linear array, grinding balls are contained in the roller mechanisms, and a first driving mechanism is arranged between every two adjacent roller mechanisms and drives the roller mechanisms on two sides of the first driving mechanism; each roller mechanism is correspondingly provided with a second driving mechanism; the roller mechanism comprises a left vertical plate and a right vertical plate which are fixed and symmetrically arranged, a left positive gear ring and a right positive gear ring are respectively and rotatably arranged on the outer side end surfaces of the left vertical plate and the right vertical plate, inner teeth are arranged on the inner ring of the right positive gear ring, a left eccentric gear ring and a right eccentric gear ring are respectively and rotatably arranged on the inner side end surfaces of the left vertical plate and the right vertical plate, the left eccentric gear ring and the right eccentric gear ring are circular and are provided with eccentric through holes, and outer teeth are arranged on the outer edges of the left eccentric gear ring and the right eccentric gear ring.
Description
Technical Field
The application relates to the field of engineering machinery equipment, in particular to a multi-section ball mill.
Background
The ball mill is a common crushing and pulverizing engineering machine, and the main components of the ball mill are a roller and a grinding ball. After the materials to be crushed into powder are loaded into the roller, the roller rotates, and in the transferring action, the grinding balls are thrown up and fall down, so that the materials in the roller are impacted and crushed.
In the existing ball mill, the rotating shaft of the roller is horizontal, and if the rotating speed of the roller is too high, the grinding balls are attached to the wall of the roller under the influence of centrifugal force, so that the falling impact cannot be realized; if the rotation speed is too slow, one corner of the grinding ball pile in the cylinder core cannot be thrown up, so that the power of the ball mill is greatly limited, and under the condition that the rotation speed is increased, the roller with larger diameter must be replaced for improving the power (increasing the rotation speed), and the throwing height is also limited by the diameter of the cylinder, so that the grinding balls cannot have larger crushing kinetic energy.
Disclosure of Invention
First technical problem
1. How to break through the limitation of the diameter of the roller, so that the grinding balls can impact the materials with larger falling kinetic energy;
2. overcomes the limitation of rotating speed, and makes the ball mill conveniently increase the power.
(II) technical scheme
The utility model provides a multistage formula ball mill, its includes frame, its characterized in that: a plurality of roller mechanisms are arranged on the rack in a linear array, grinding balls are contained in the roller mechanisms, and a first driving mechanism is arranged between every two adjacent roller mechanisms and drives the roller mechanisms on two sides of the first driving mechanism; each roller mechanism is correspondingly provided with a second driving mechanism;
the roller mechanism comprises a left vertical plate and a right vertical plate which are fixed and symmetrically arranged, a left positive gear ring and a right positive gear ring are respectively and rotatably arranged on the outer side end surfaces of the left vertical plate and the right vertical plate, inner teeth are arranged on the inner rings of the left positive gear ring and the right positive gear ring, a left eccentric gear ring and a right eccentric gear ring are respectively and rotatably arranged on the inner side end surfaces of the left vertical plate and the right vertical plate, the left eccentric gear ring and the right eccentric gear ring are circular and are provided with eccentric through holes, and outer teeth are arranged on the outer edges of the left eccentric gear ring and the right eccentric gear ring;
the roller passes through the eccentric through holes on the left eccentric gear ring and the right eccentric gear ring and is erected between the left vertical plate and the right vertical plate, a left toothed ring and a right toothed ring are respectively arranged at two ends of the roller, and the left toothed ring and the right toothed ring are respectively meshed with the inner teeth of the left positive gear ring and the right positive gear ring;
the first driving mechanism drives the left eccentric gear ring and the right eccentric gear ring to synchronously rotate on the left vertical plate and the right vertical plate;
in the initial state, the left eccentric gear ring and the right eccentric gear ring are installed on the vertical plate in different phases.
Further, the phase difference of the installation of the left eccentric gear ring and the right eccentric gear ring on the vertical plate in the initial state on each drum mechanism is also different.
Further, the roller is connected with the left eccentric gear ring and the right eccentric gear ring through a self-aligning bearing.
Further, the second driving mechanism drives the left spur gear ring and the right spur gear ring of each roller mechanism to synchronously rotate or lock.
Further, end covers are arranged at two ends of the roller.
Further, the first driving mechanism comprises a first driving motor, a first connecting rod in transmission connection with the first driving motor and two first transmission gears arranged on the first connecting rod, and each first transmission gear is meshed with the eccentric gear rings on the roller mechanisms on two sides of the first transmission gear.
Further, the second driving mechanism is mounted on a mounting frame arranged on the frame and comprises a second driving motor, a second connecting rod and two second driving gears, and each second driving gear is in meshed transmission with a left positive gear ring and a right positive gear ring of the corresponding roller mechanism.
Further, three roller mechanisms are provided, the phase difference of the left eccentric gear ring and the right eccentric gear ring installed on the vertical plate in the initial state of each roller mechanism is pi, pi/2 and pi/4 respectively, and aiming at the primary section crushing, the middle section crushing and the final section crushing of materials, two first driving mechanisms are distributed among the three roller mechanisms; the number of the second driving mechanisms is three, and each driving mechanism independently drives or locks the corresponding roller mechanism.
(III) beneficial effects
The method changes the traditional motion test of the ball mill, designs a space rotation mode of conical revolution and rotation, ensures that the stroke of the throwing motion of the grinding ball is larger, the impact force is stronger, and has complex space motion to prevent stacking in the drum; in addition, the scheme can change the installation position of the element, namely achieve the function of adjusting the inclination rate, so that a plurality of identical roller mechanisms can be simultaneously applied to coarse, middle and fine three-section crushing and grinding.
Drawings
FIG. 1 is a schematic view of an overall apparatus according to the present application;
FIG. 2 is a side elevational view of FIG. 1;
FIG. 3 is another elevational view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is another angular view of FIG. 1;
FIG. 6 is a schematic view of a roller mechanism;
FIG. 7 is a side view of FIG. 6;
FIG. 8 is an end elevational view of FIG. 6;
FIG. 9 is an exploded view of FIG. 6;
FIG. 10 is a schematic illustration of an eccentric ring gear;
FIG. 11 is a schematic view of a spur gear ring;
FIG. 12 is a schematic view of the cooperation of the driving mechanism and the roller mechanism
FIG. 13 is the view of FIG. 12 viewed in another direction;
fig. 14 is a side elevational view of fig. 12.
Fig. 15 is a top view of fig. 12.
Reference numerals
1. Rack
2. Roller mechanism
3. First driving mechanism
4. Second driving mechanism
5. Left vertical plate
6. Right vertical plate
7. Roller
8. Left toothed ring
9. Right toothed ring
10. End cap
11. Left eccentric gear ring
12. Right eccentric gear ring
13. Left spur gear
14. Right spur gear
15. First connecting rod
16. First drive gear
17. Second driving motor
18. Second connecting rod
19. Second drive gear
20. Mounting rack
21. First driving motor
Detailed Description
The invention is further illustrated below with reference to examples.
As shown in fig. 1 to 15, a multi-stage ball mill according to the present application comprises a frame 1, characterized in that: a plurality of roller mechanisms 2 are arranged on the frame in a linear array, grinding balls are contained in the roller mechanisms, and a first driving mechanism 3 is arranged between every two adjacent roller mechanisms and drives the roller mechanisms on two sides of the first driving mechanism; each roller mechanism is correspondingly provided with a second driving mechanism 4;
the roller mechanism comprises a left vertical plate 5 and a right vertical plate 6 which are fixed and symmetrically arranged, a left positive gear ring 13 and a right positive gear ring 14 are respectively and rotatably arranged on the outer side end surfaces of the left vertical plate and the right vertical plate, inner teeth are arranged on the inner rings of the left positive gear ring and the right positive gear ring, a left eccentric gear ring 11 and a right eccentric gear ring 12 are respectively and rotatably arranged on the inner side end surfaces of the left vertical plate and the right vertical plate, the left eccentric gear ring and the right eccentric gear ring are circular and are provided with eccentric through holes, and outer teeth are arranged on the outer edges of the left eccentric gear ring and the right eccentric gear ring;
the roller 7 passes through the eccentric through holes on the left eccentric gear ring and the right eccentric gear ring and is arranged between the left vertical plate and the right vertical plate, a left toothed ring 8 and a right toothed ring 9 are respectively arranged at two ends of the roller 7, and the left toothed ring 8 and the right toothed ring 9 are respectively meshed with the inner teeth of the left positive gear ring and the right positive gear ring;
the first driving mechanism drives the left eccentric gear ring and the right eccentric gear ring to synchronously rotate on the left vertical plate and the right vertical plate;
in the initial state, the left eccentric gear ring and the right eccentric gear ring are installed on the vertical plate in different phases.
The manner in which the drum is mounted in this application is in fact such that: the left and right vertical plates are fixed, the left and right eccentric gear rings are rotatably mounted on the left and right vertical plates (through bearings or rolling bodies, not shown in the drawing for simplicity of illustration, but the mounting mode that the eccentric gear rings can rotate freely relative to the vertical plates) is adopted, then the roller passes through the eccentric holes on the two eccentric gear rings (as shown in fig. 10), and the mounting phases of the left and right eccentric gear rings on the vertical plates are different, so that the axis of the roller passing through the roller is not horizontal (as shown in fig. 14, etc.).
After the grinding balls and the materials to be ground are filled, the first driving mechanism drives the left eccentric gear ring and the right eccentric gear ring to synchronously rotate, and the phase difference of initial installation is reserved in the synchronous rotation, so that the roller actually performs a conical swing rotation motion.
In conventional ball mill drums, the balls and material are generally tumbled at a fixed cross-sectional position in the drum, the throw-off distance is limited by the diameter of the drum, and only the balls stacked to the uppermost portion are thrown off, resulting in low actual material utilization.
The roller in the scheme can do conical swing motion, grinding balls and materials in the roller can be thrown back and forth at two ends in the whole roller along with the alternating height of the two ends of the roller, the kinetic energy is greatly increased, the amplitude of the conical swing motion can be regulated through the initial installation phase difference (such as pi or pi/2, pi/4 and the like) of the left and right eccentric gear rings, and no additional structure is needed. Thereby making it possible to
Further, the phase difference of the installation of the left eccentric gear ring and the right eccentric gear ring on the vertical plate in the initial state on each drum mechanism is also different.
In order to smoothly and permanently maintain the conical swing motion of the drum,
further, the roller is connected with the left eccentric gear ring and the right eccentric gear ring through a self-aligning bearing.
The aligning bearing enables the rotary shaft of the roller, which continuously changes the angle with the vertical plate, to smoothly rotate.
The device is provided with a plurality of rolling mechanisms which are used in parallel and simultaneously, the crushing and grinding process can be divided into a plurality of sections, for example, three sections and three sets of roller mechanisms are divided, and the first set has the largest phase difference and the most severe ball throwing falling kinetic energy, so that the device is suitable for the primary crushing of materials; the second and third sets have smaller and smaller phase differences, so that the roller mechanism is suitable for crushing materials in the second section and the last section, and can be suitable for the multi-section crushing process, and the feeding and discharging of the roller mechanisms are in the same beat through the adjustment of the phase differences, so that feeding and discharging are continuously carried out.
It should be noted that in the above-mentioned transmission system, the drum makes a conical pendulum movement, but its movement relative to its own axis is indeterminate, depending on the resistance received and the momentum of the material, but if the drum can be made to spin while the cone is swinging, it will have a better mixing capacity, and thus
Further, the second driving mechanism drives the left spur gear ring and the right spur gear ring of each roller mechanism to synchronously rotate or lock.
Because the left and right toothed rings are arranged at the two ends of the roller and meshed with the inner teeth of the spur gear ring, when the left and right spur gears rotate, the spur gears can drive the roller to rotate, and as seen in fig. 8, the toothed rings 9 at the end of the roller firstly do planetary motion and then do autorotation motion, so that the grinding balls and materials are in compound motion, the occurrence probability of collision is improved to achieve better crushing effect, and the motion of the device is in a stable and definite state.
Of course, in the locked state, the above revolution and rotation movements can be realized, but the rotation in the opposite direction can obtain larger relative movement of the materials.
Further, the drum is provided with end caps 10 at both ends.
Further, the first driving mechanism comprises a first driving motor 21, a first connecting rod 15 in transmission connection with the first driving motor, and two first transmission gears arranged on the first connecting rod 15, wherein each first transmission gear is respectively meshed with eccentric gear rings on roller mechanisms on two sides of the first transmission gear.
This arrangement allows adjacent roller mechanisms to be driven in common, but with different crushing capacities for different sections of material due to different initial phase differences.
Further, the second driving mechanism is mounted on a mounting frame arranged on the frame and comprises a second driving motor 17, a second connecting rod 18 and two second driving gears 19, and each second driving gear is meshed with a left positive gear ring and a right positive gear ring of the corresponding roller mechanism respectively for transmission.
Further, three roller mechanisms are provided, the phase difference of the left eccentric gear ring and the right eccentric gear ring installed on the vertical plate in the initial state of each roller mechanism is pi, pi/2 and pi/4 respectively, and aiming at the primary section crushing, the middle section crushing and the final section crushing of materials, two first driving mechanisms are distributed among the three roller mechanisms; the number of the second driving mechanisms is three, and each driving mechanism independently drives or locks the corresponding roller mechanism.
The first driving mechanism drives the roller mechanisms at two sides simultaneously, so that not only elements can be saved and assembly is reduced, but also the rotation directions of the adjacent roller mechanisms are opposite, so that the dynamic balance of the whole machine tends to be zero, and the device is stable.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (7)
1. The utility model provides a multistage formula ball mill, its includes frame, its characterized in that: a plurality of roller mechanisms are arranged on the rack in a linear array, grinding balls are contained in the roller mechanisms, and a first driving mechanism is arranged between every two adjacent roller mechanisms and drives the roller mechanisms on two sides of the first driving mechanism; each roller mechanism is correspondingly provided with a second driving mechanism;
the roller mechanism comprises a left vertical plate and a right vertical plate which are fixed and symmetrically arranged, a left positive gear ring and a right positive gear ring are respectively and rotatably arranged on the outer side end surfaces of the left vertical plate and the right vertical plate, inner teeth are arranged on the inner rings of the left positive gear ring and the right positive gear ring, a left eccentric gear ring and a right eccentric gear ring are respectively and rotatably arranged on the inner side end surfaces of the left vertical plate and the right vertical plate, the left eccentric gear ring and the right eccentric gear ring are circular and are provided with eccentric through holes, and outer teeth are arranged on the outer edges of the left eccentric gear ring and the right eccentric gear ring;
the roller passes through the eccentric through holes on the left eccentric gear ring and the right eccentric gear ring and is erected between the left vertical plate and the right vertical plate, a left toothed ring and a right toothed ring are respectively arranged at two ends of the roller, and the left toothed ring and the right toothed ring are respectively meshed with the inner teeth of the left positive gear ring and the right positive gear ring;
the first driving mechanism drives the left eccentric gear ring and the right eccentric gear ring to synchronously rotate on the left vertical plate and the right vertical plate;
in the initial state, the left eccentric gear ring and the right eccentric gear ring are installed on the vertical plate in different phases.
2. A multi-segment ball mill according to claim 1, wherein: the phase difference between the left eccentric gear ring and the right eccentric gear ring mounted on the vertical plate in the initial state of each roller mechanism is also different.
3. A multi-segment ball mill according to claim 1, wherein: the roller is connected with the left eccentric gear ring and the right eccentric gear ring through a self-aligning bearing.
4. A multi-segment ball mill according to claim 1, wherein: the second driving mechanism drives the left spur gear ring and the right spur gear ring of each roller mechanism to synchronously rotate or lock.
5. A multi-segment ball mill according to claim 1, wherein: end covers are arranged at two ends of the roller.
6. A multi-segment ball mill according to claim 1, wherein: the first driving mechanism comprises a first driving motor, a first connecting rod in transmission connection with the first driving motor and two first transmission gears arranged on the first connecting rod, and each first transmission gear is meshed with the eccentric gear rings on the roller mechanisms on the two sides of the first transmission gear respectively.
7. A multi-segment ball mill according to claim 1, wherein: the second driving mechanism is arranged on a mounting frame arranged on the frame and comprises a second driving motor, a second connecting rod and two second driving gears, and each second driving gear is meshed with a left positive gear ring and a right positive gear ring of a corresponding roller mechanism respectively for transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210521174.7A CN114918012B (en) | 2022-05-13 | 2022-05-13 | Multi-section ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210521174.7A CN114918012B (en) | 2022-05-13 | 2022-05-13 | Multi-section ball mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114918012A CN114918012A (en) | 2022-08-19 |
| CN114918012B true CN114918012B (en) | 2023-07-14 |
Family
ID=82808103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210521174.7A Active CN114918012B (en) | 2022-05-13 | 2022-05-13 | Multi-section ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114918012B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779809A (en) * | 1985-09-02 | 1988-10-25 | Tokuju Kosakusho Company, Ltd. | Horizontal rotating type grinding machine |
| JP2003126715A (en) * | 2001-10-23 | 2003-05-07 | Yasui Kikai Kk | Method and device for crushing |
| FR2840380A1 (en) * | 2002-06-04 | 2003-12-05 | Meritor Light Vehicle Sys Ltd | Speed reducer for window raiser cable winding drum comprises crown wheel and eccentric satellite with driving part producing relative rotation of crown wheel and satellite |
| CN1833820A (en) * | 2006-04-24 | 2006-09-20 | 浙江湖磨抛光磨具制造有限公司 | Cylinder oblique arranged planetary barrel polisher driven by synchronous belt |
| JP2010014177A (en) * | 2008-07-02 | 2010-01-21 | Nabtesco Corp | Eccentric rocking type gear transmission device |
| CN101743066A (en) * | 2007-07-14 | 2010-06-16 | 雷特希有限责任公司 | Laboratory vibration grinding mill having inclined grinding beakers |
| CN102247916A (en) * | 2010-05-19 | 2011-11-23 | 株式会社近畿 | Vibrator grinding machine |
| CN205073945U (en) * | 2015-10-23 | 2016-03-09 | 赣州嘉通新材料有限公司 | Three -dimensional blendor of multi -functional high -efficient neodymium iron boron magnetically hard material |
| CN110575873A (en) * | 2018-06-11 | 2019-12-17 | 陕西安康三航纳米科技股份有限公司 | Wet-process oscillating type online continuous planetary ball milling equipment |
| CN113058703A (en) * | 2021-03-30 | 2021-07-02 | 刘俊宝 | Ball mill |
| CN114260069A (en) * | 2021-12-24 | 2022-04-01 | 青海省地方病预防控制所 | Ball mill suitable for production of plague culture medium dry powder |
-
2022
- 2022-05-13 CN CN202210521174.7A patent/CN114918012B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779809A (en) * | 1985-09-02 | 1988-10-25 | Tokuju Kosakusho Company, Ltd. | Horizontal rotating type grinding machine |
| JP2003126715A (en) * | 2001-10-23 | 2003-05-07 | Yasui Kikai Kk | Method and device for crushing |
| FR2840380A1 (en) * | 2002-06-04 | 2003-12-05 | Meritor Light Vehicle Sys Ltd | Speed reducer for window raiser cable winding drum comprises crown wheel and eccentric satellite with driving part producing relative rotation of crown wheel and satellite |
| CN1833820A (en) * | 2006-04-24 | 2006-09-20 | 浙江湖磨抛光磨具制造有限公司 | Cylinder oblique arranged planetary barrel polisher driven by synchronous belt |
| CN101743066A (en) * | 2007-07-14 | 2010-06-16 | 雷特希有限责任公司 | Laboratory vibration grinding mill having inclined grinding beakers |
| JP2010014177A (en) * | 2008-07-02 | 2010-01-21 | Nabtesco Corp | Eccentric rocking type gear transmission device |
| CN102247916A (en) * | 2010-05-19 | 2011-11-23 | 株式会社近畿 | Vibrator grinding machine |
| CN205073945U (en) * | 2015-10-23 | 2016-03-09 | 赣州嘉通新材料有限公司 | Three -dimensional blendor of multi -functional high -efficient neodymium iron boron magnetically hard material |
| CN110575873A (en) * | 2018-06-11 | 2019-12-17 | 陕西安康三航纳米科技股份有限公司 | Wet-process oscillating type online continuous planetary ball milling equipment |
| CN113058703A (en) * | 2021-03-30 | 2021-07-02 | 刘俊宝 | Ball mill |
| CN114260069A (en) * | 2021-12-24 | 2022-04-01 | 青海省地方病预防控制所 | Ball mill suitable for production of plague culture medium dry powder |
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| Title |
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| 三维摆动式高能球磨机性能研究;孙淑荣;隋航;李琪;;机电与自动控制;第35卷(第06期);第46-50页 * |
| 新型偏心式行星球磨机动力学研究;张赐成;刘佐民;卢平;;机械设计与制造(第09期);第13-15页 * |
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| Publication number | Publication date |
|---|---|
| CN114918012A (en) | 2022-08-19 |
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