CN115228562A - Grinding device for manufacturing high-precision quartz powder - Google Patents
Grinding device for manufacturing high-precision quartz powder Download PDFInfo
- Publication number
- CN115228562A CN115228562A CN202210770745.0A CN202210770745A CN115228562A CN 115228562 A CN115228562 A CN 115228562A CN 202210770745 A CN202210770745 A CN 202210770745A CN 115228562 A CN115228562 A CN 115228562A
- Authority
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- China
- Prior art keywords
- grinding
- quartz powder
- screening net
- manufacturing high
- screening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000010453 quartz Substances 0.000 title claims abstract description 55
- 239000000843 powder Substances 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 238000012216 screening Methods 0.000 claims abstract description 62
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 40
- 229910000831 Steel Inorganic materials 0.000 description 26
- 239000010959 steel Substances 0.000 description 26
- 238000007873 sieving Methods 0.000 description 13
- 239000006004 Quartz sand Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- 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
-
- 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
- B02C17/04—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 unperforated container
- B02C17/06—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 unperforated container with several compartments
-
- 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
- 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a grinding device for manufacturing high-precision quartz powder, which comprises a grinding module, a screening module and a driving module, wherein the grinding module is used for containing and grinding the quartz powder, the screening module is used for screening the quartz powder, and the driving module is used for driving the grinding module to rotate. According to the device, the internal space of the grinding cylinder is divided into three parts, and the three parts are separated by the multistage screening net, so that the quartz powder can be screened in the grinding process, only the quartz powder with the particle size meeting the condition can be discharged, the process of re-screening and grinding is omitted, and the efficiency is higher.
Description
Technical Field
The invention relates to the technical field of grinding, in particular to a grinding device for manufacturing high-precision quartz powder.
Background
The quartz powder is also called as silicon micropowder. The quartz sand is a silicate mineral with hardness, wear resistance and stable chemical properties, the main mineral component of the quartz sand is silicon dioxide, the color of the quartz sand is milk white or colorless semitransparent, the Mohs hardness is 7, the quartz sand is brittle and non-cleavage, the shell-shaped fracture has a glossy grease, the chemical, thermal and mechanical properties of the quartz sand have obvious anisotropy, the quartz sand is insoluble in acid, slightly soluble in KOH solution and the melting point is 1750 ℃. After quartz stone extracted from mines is processed, products with fineness below 120 meshes are generally called quartz sand, and products with fineness over 120 meshes are called quartz powder.
When the existing grinding device grinds quartz powder, the phenomenon of uneven grinding often occurs, the quartz powder is required to be sieved again after being discharged from an outlet of the grinding device, and the quartz powder with larger particle size is ground again, so that the time and the labor are consumed, and the efficiency is extremely low.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme: a grinding device for manufacturing high-precision quartz powder comprises a grinding module and a grinding device, wherein the grinding module comprises a supporting piece and a grinding cylinder, the supporting piece comprises a first rotating shaft connected with one end of the grinding cylinder, a first supporting column in rotating fit with the first rotating shaft and a second supporting column in rotating fit with the outer wall of the grinding cylinder; the screening module comprises a track wheel, a screening frame, a first baffle and a second rotating shaft, the supporting piece further comprises a third supporting column, the third supporting column is in rotating fit with the second rotating shaft, the first baffle is fixedly connected with the second rotating shaft, a first threaded hole matched with the grinding cylinder and a first threaded rod matched with the third supporting column are formed in the first baffle, a track groove is formed in the track wheel, and a sliding column matched with the track groove is formed in the grinding cylinder; the driving module comprises a first driving motor, a first gear matched with the first driving motor and a second gear meshed with the first gear, and the second gear is fixedly connected with the first rotating shaft.
As a preferable aspect of the grinding apparatus for manufacturing high-precision quartz powder according to the present invention, wherein: the screening frame includes first screening net, second screening net, third screening net and connecting plate, the connecting plate is connected first screening net, second screening net and third screening net.
As a preferable aspect of the grinding apparatus for manufacturing high-precision quartz powder according to the present invention, wherein: the screen mesh apertures of the first screening mesh, the second screening mesh and the third screening mesh are sequentially reduced.
As a preferable aspect of the grinding apparatus for manufacturing high-precision quartz powder according to the invention, wherein: the track groove is formed by two thread grooves with the same thread pitch and opposite rotation directions.
As a preferable aspect of the grinding apparatus for manufacturing high-precision quartz powder according to the present invention, wherein: the ratio of the height of the thread groove to the thread pitch is 0.5N.
As a preferable aspect of the grinding apparatus for manufacturing high-precision quartz powder according to the present invention, wherein: the track wheel is fixedly connected with the connecting plate, and a first groove in sliding fit with the connecting plate is formed in the first baffle.
As a preferable aspect of the grinding apparatus for manufacturing high-precision quartz powder according to the invention, wherein: when the first threaded rod is matched with the third supporting column, the connecting plate is arranged right above the inside of the grinding cylinder, and the connecting plate is attached to the inner wall of the grinding cylinder.
As a preferable aspect of the grinding apparatus for manufacturing high-precision quartz powder according to the invention, wherein: inclined planes are arranged on two sides of the connecting plate.
As a preferable aspect of the grinding apparatus for manufacturing high-precision quartz powder according to the present invention, wherein: the grinding cylinder is provided with an opening and closing opening.
As a preferable aspect of the grinding apparatus for manufacturing high-precision quartz powder according to the present invention, wherein: the opening and closing openings are 3 and are respectively arranged between the track wheel and the first screening net, between the first screening net and the second screening net and between the second screening net and the third screening net.
The invention has the beneficial effects that: divide grinding vessel inner space into the triplex to separate with multistage screening net, just can sieve quartz powder at the in-process of grinding, only can discharge the quartz powder that the particle diameter satisfies the condition, saved the process of sieving again and grinding, efficiency is higher.
Drawings
Fig. 1 is a partial sectional view of a grinding apparatus for manufacturing high-precision quartz powder.
Fig. 2 is a schematic diagram of a polishing apparatus for producing high-precision quartz powder.
Fig. 3 is a sectional view of a grinding apparatus for manufacturing high-precision quartz powder.
Fig. 4 is a schematic view of a slide column of the grinding apparatus for manufacturing high-precision quartz powder.
Fig. 5 is a schematic view of a connection plate and a first baffle of a grinding apparatus for manufacturing high-precision quartz powder.
Fig. 6 is a front view of a connecting plate of the grinding apparatus for manufacturing high-precision quartz powder.
Fig. 7 is a schematic view of a screen frame of a grinding apparatus for manufacturing high-precision quartz powder.
In the figure: the grinding module 100, the support 101, the grinding cylinder 102, the first rotating shaft 101a, the first support column 101b, the second support column 101c, the screening module 200, the track wheel 204, the screening frame 201, the first baffle 202, the second rotating shaft 203, the first threaded hole 202a, the first threaded rod 202b, the track groove 204a, the sliding column 102d, the driving module 300, the first driving motor 301a, the first gear 301b, the second gear 301c, the first screening net 201a, the second screening net 201b, the third screening net 201c, the connecting plate 201d, the threaded groove a, the threaded groove F, the first groove 202d, and the opening and closing port 102e.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1 to 7, a first embodiment of the present invention provides a grinding apparatus for manufacturing high-precision quartz powder, the grinding apparatus for manufacturing high-precision quartz powder includes a grinding module 100, a sieving module 200, and a driving module 300, the grinding module 100 is used for holding and grinding quartz powder, the sieving module 200 is used for sieving quartz powder, and the driving module 300 is used for driving the grinding module 100 to rotate.
Specifically, the grinding module 100 includes a support 101 and a grinding cylinder 102, and the support 101 includes a first rotating shaft 101a connected to one end of the grinding cylinder 102, a first supporting column 101b rotatably engaged with the first rotating shaft 101a, and a second supporting column 101c rotatably engaged with an outer wall of the grinding cylinder 102.
The screening module 200 comprises a track wheel 204, a screening frame 201, a first baffle 202 and a second rotating shaft 203, the support member 101 further comprises a third supporting column 101d, the third supporting column 101d is in rotating fit with the second rotating shaft 203, the first baffle 202 is fixedly connected with the second rotating shaft 203, a first threaded hole 202a matched with the grinding cylinder 102 and a first threaded rod 202b matched with the third supporting column 101d are formed in the first baffle 202, a track groove 204a is formed in the track wheel 204, and a sliding column 102d matched with the track groove 204a is formed in the grinding cylinder 102. The third supporting column 101d is provided with a second hole through which the first threaded rod 202b can pass, and then the first baffle 202 can be fixed on the sliding column 102d so as to be incapable of rotating by screwing the first threaded rod 202b with a nut, and when the first baffle 202 needs to be connected with the grinding cylinder 102, the first baffle 202 can be fixedly connected with the grinding cylinder 102 by passing the first threaded hole 202a through a bolt.
The driving module 300 includes a first driving motor 301a, a first gear 301b engaged with the first driving motor 301a, and a second gear 301c engaged with the first gear 301b, wherein the second gear 301c is fixedly connected to the first rotating shaft 101 a.
Further, the screening frame 201 includes a first screening net 201a, a second screening net 201b, a third screening net 201c and a connecting plate 201d, the connecting plate 201d connects the first screening net 201a, the second screening net 201b and the third screening net 201c, and the screen mesh diameters of the first screening net 201a, the second screening net 201b and the third screening net 201c are sequentially reduced.
In this embodiment, two thread grooves a and F with the same thread pitch and opposite rotation directions form a track groove 204a, and the ratio of the height of the thread groove a to the thread pitch is 0.5N, wherein N is a positive integer, the specific value of N can be taken as required, and the larger N is, the smaller the speed of shaking back and forth is.
Further, the track wheel 204 is fixedly connected with the connecting plate 201d, and the first baffle 202 is provided with a first groove 202d in sliding fit with the connecting plate 201 d.
It should be noted that, when the first threaded rod 202b is fixed on the third supporting column 101d, the connecting plate 201d does not rotate along with the grinding cylinder 102, at this time, under the action of the sliding column 102d and the track groove 204a, the screening frame 201 will shake back and forth, in this case, the connecting plate 201d needs to be arranged right above the inside of the grinding cylinder 102, because the grinding steel ball is arranged in the grinding cylinder 102, when the grinding cylinder 102 rotates, the grinding steel ball is attached to the inner wall of the grinding cylinder 102 under the action of inertia, centrifugal force and friction force, and is driven to rotate by the cylinder, when the grinding steel ball is brought to a certain height, the grinding steel ball is thrown down under the action of its own gravity, and the falling grinding steel ball crushes the quartz powder in the cylinder like a projectile, but when the rotation speed of the grinding cylinder 102 rises to a certain speed, the grinding steel ball always collides with the inner wall of the grinding cylinder 102, cannot be thrown down, at this time, the grinding steel ball cannot grind the quartz powder basically, but in the present invention, because the connecting plate 201d does not rotate along with the grinding cylinder 102, the connecting plate 201d, and the connecting plate 201d will block the grinding effect, and the grinding steel ball will not be attached to the two sides of the grinding steel ball, and the grinding steel ball will not generate a larger grinding effect, and the grinding effect will be formed, and the grinding steel ball 201d can be better than the grinding effect can be formed.
Further, the grinding drum 102 is provided with an opening and closing port 102e, and the opening and closing ports 102e are provided with 3, and are respectively provided between the track wheel 204 and the first sieving net 201a, between the first sieving net 201a and the second sieving net 201b, and between the second sieving net 201b and the third sieving net 201 c.
It should be noted that the device of the present invention has at least the following two modes of use:
1. a following rotation mode, in which the first baffle 202 and the grinding cylinder 102 are fixed, the first baffle 202, the screening frame 201 and the grinding cylinder 102 rotate synchronously, and the screening frame 201 does not reciprocate;
2. in the reciprocating screening mode, the first baffle 202 is fixedly connected with the third support column 101d, and the screening frame 201 reciprocates under the action of the track groove 204a and the sliding column 102d, so that the quartz powder and the grinding steel ball can be pushed to screen the quartz powder.
It is preferable to adopt the following rotation mode first and then select the reciprocating sieving mode, and the reason for this is that, at the beginning of grinding, since the diameter of the quartz powder particles is large, the quartz powder particles cannot pass through the third sieving net 201c, and the dust is large at the time of grinding, even if the reciprocating sieving mode is selected, no quartz powder can be discharged, and it is preferable to adopt the following rotation mode first, grind for a while, and then select the reciprocating sieving mode.
When the grinding device is used, grinding steel balls with different specifications are respectively placed into the grinding cylinder 102 from the 3 opening and closing openings 102e, quartz sand is placed into the rough grinding space B, then the first baffle plate 202 is fixed on the grinding cylinder 102, and after grinding for a period of time, the first baffle plate 202 is fixed on the third support column 101 d.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A grinder for manufacturing high-precision quartz powder is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the grinding module (100) comprises a supporting piece (101) and a grinding cylinder (102), wherein the supporting piece (101) comprises a first rotating shaft (101 a) connected with one end of the grinding cylinder (102), a first supporting column (101 b) in rotating fit with the first rotating shaft (101 a), and a second supporting column (101 c) in rotating fit with the outer wall of the grinding cylinder (102);
the screening module (200) comprises a track wheel (204), a screening frame (201), a first baffle plate (202) and a second rotating shaft (203), the supporting member (101) further comprises a third supporting column (101 d), the third supporting column (101 d) is in rotating fit with the second rotating shaft (203), the first baffle plate (202) is fixedly connected with the second rotating shaft (203), a first threaded hole (202 a) matched with the grinding cylinder (102) and a first threaded rod (202 b) matched with the third supporting column (101 d) are formed in the first baffle plate (202), a track groove (204 a) is formed in the track wheel (204), and a sliding column (102 d) matched with the track groove (204 a) is formed in the grinding cylinder (102);
the driving module (300) comprises a first driving motor (301 a), a first gear (301 b) matched with the first driving motor (301 a), and a second gear (301 c) meshed with the first gear (301 b), wherein the second gear (301 c) is fixedly connected with the first rotating shaft (101 a).
2. The grinding apparatus for manufacturing high-precision quartz powder according to claim 1, wherein: the screening frame (201) comprises a first screening net (201 a), a second screening net (201 b), a third screening net (201 c) and a connecting plate (201 d), wherein the connecting plate (201 d) is connected with the first screening net (201 a), the second screening net (201 b) and the third screening net (201 c).
3. The grinding apparatus for manufacturing high-precision quartz powder according to claim 2, wherein: the screen mesh apertures of the first screen mesh (201 a), the second screen mesh (201 b) and the third screen mesh (201 c) are reduced in sequence.
4. A grinding apparatus for manufacturing high-precision quartz powder according to claim 3, characterized in that: the track groove (204 a) is formed by two thread grooves (A) and two thread grooves (F) which have the same thread pitch and opposite rotation directions.
5. The grinding apparatus for producing high-precision quartz powder according to claim 4, characterized in that: the ratio of the height of each thread groove (A) to the thread pitch of each thread groove (F) is 0.5N.
6. The grinding apparatus for manufacturing high-precision quartz powder according to claim 4 or 5, wherein: the track wheel (204) is fixedly connected with the connecting plate (201 d), and a first groove (202 d) in sliding fit with the connecting plate (201 d) is formed in the first baffle (202).
7. The grinding apparatus for manufacturing high-precision quartz powder according to claim 6, wherein: when the first threaded rod (202 b) is matched with the third supporting column (101 d), the connecting plate (201 d) is arranged right above the inside of the grinding cylinder (102), and the connecting plate (201 d) is attached to the inner wall of the grinding cylinder (102).
8. The grinding apparatus for manufacturing high-precision quartz powder according to claim 7, wherein: inclined surfaces are arranged on two sides of the connecting plate (201 d).
9. The grinding apparatus for manufacturing high-precision quartz powder according to claim 7 or 8, wherein: an opening and closing opening (102 e) is formed in the grinding cylinder (102).
10. The grinding apparatus for manufacturing high-precision quartz powder according to claim 9, wherein: the opening and closing openings (102 e) are 3 and are respectively arranged between the track wheel (204) and the first screening net (201 a), between the first screening net (201 a) and the second screening net (201 b) and between the second screening net (201 b) and the third screening net (201 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210770745.0A CN115228562B (en) | 2022-06-30 | 2022-06-30 | Grinding device for manufacturing high-precision quartz powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210770745.0A CN115228562B (en) | 2022-06-30 | 2022-06-30 | Grinding device for manufacturing high-precision quartz powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115228562A true CN115228562A (en) | 2022-10-25 |
| CN115228562B CN115228562B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210770745.0A Active CN115228562B (en) | 2022-06-30 | 2022-06-30 | Grinding device for manufacturing high-precision quartz powder |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB516339A (en) * | 1938-03-23 | 1940-01-01 | Kai Petersen | Method of and apparatus for grinding waste materials containing animal and/or vegetable matter |
| US20070074998A1 (en) * | 2005-10-04 | 2007-04-05 | Langner Herbert Gunther Joachi | Method and apparatus for screening kaolin |
| CN206425215U (en) * | 2016-09-28 | 2017-08-22 | 宝钢集团新疆八一钢铁有限公司 | A kind of screening plant for steelmaking ingredient |
| CN213000341U (en) * | 2020-07-01 | 2021-04-20 | 洛阳利尔功能材料有限公司 | Roller structure for high-efficiency grinding ball mill for alumina micropowder |
| CN214555063U (en) * | 2020-12-11 | 2021-11-02 | 深圳市恒兆智科技有限公司 | Drum screen capable of rapidly screening materials |
| CN114471847A (en) * | 2021-12-20 | 2022-05-13 | 江苏中腾石英材料科技股份有限公司 | Quartz powder grinding device convenient to ejection of compact |
-
2022
- 2022-06-30 CN CN202210770745.0A patent/CN115228562B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB516339A (en) * | 1938-03-23 | 1940-01-01 | Kai Petersen | Method of and apparatus for grinding waste materials containing animal and/or vegetable matter |
| US20070074998A1 (en) * | 2005-10-04 | 2007-04-05 | Langner Herbert Gunther Joachi | Method and apparatus for screening kaolin |
| CN206425215U (en) * | 2016-09-28 | 2017-08-22 | 宝钢集团新疆八一钢铁有限公司 | A kind of screening plant for steelmaking ingredient |
| CN213000341U (en) * | 2020-07-01 | 2021-04-20 | 洛阳利尔功能材料有限公司 | Roller structure for high-efficiency grinding ball mill for alumina micropowder |
| CN214555063U (en) * | 2020-12-11 | 2021-11-02 | 深圳市恒兆智科技有限公司 | Drum screen capable of rapidly screening materials |
| CN114471847A (en) * | 2021-12-20 | 2022-05-13 | 江苏中腾石英材料科技股份有限公司 | Quartz powder grinding device convenient to ejection of compact |
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| Publication number | Publication date |
|---|---|
| CN115228562B (en) | 2024-02-06 |
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