CN110801903A - Gypsum processing is with smashing crocus apparatus for producing - Google Patents
Gypsum processing is with smashing crocus apparatus for producing Download PDFInfo
- Publication number
- CN110801903A CN110801903A CN201911083241.6A CN201911083241A CN110801903A CN 110801903 A CN110801903 A CN 110801903A CN 201911083241 A CN201911083241 A CN 201911083241A CN 110801903 A CN110801903 A CN 110801903A
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- Prior art keywords
- grinding
- crusher body
- collector
- plate
- crushing
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting 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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/16—Mills provided with vibrators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- 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
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/02—Crushing or disintegrating by disc mills with coaxial discs
- B02C7/08—Crushing or disintegrating by disc mills with coaxial discs with vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—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
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/12—Shape or construction of discs
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a crushing and grinding production device for gypsum processing, which comprises a crusher body, a cyclone collector, a bag type collector and an induced draft fan, the pulverizer body is connected with the cyclone collector through a pipeline, the cyclone collector is connected with the bag collector through a pipeline, the bag collector is connected with the induced draft fan through a pipeline, the lower end of the pulverizer body is provided with a base, the upper end of the left side of the pulverizer body is provided with a feed inlet, the induced draft fan is started, make the gesso that produces when smashing in the rubbing crusher body get into cyclone collector from the pipeline in, the gesso that produces when abrasive disc one and abrasive plate one grind, the gesso that produces when abrasive disc two and abrasive plate two grind gets into cyclone collector from blast pipe two in, collects the gesso from the discharge opening of cyclone collector lower extreme, and unnecessary gesso gets into in the pocket collector and collects, and fresh air is discharged from draught fan air outlet department.
Description
Technical Field
The invention relates to the technical field of gypsum production and processing, in particular to a crushing and grinding production device for gypsum processing.
Background
Gypsum is a monoclinic mineral and is a hydrate whose main chemical component is calcium sulfate. Gypsum is a widely used industrial and building material. It can be used for cement retarder, gypsum building product, model making, medical food additive, sulfuric acid production, paper filler, paint filler, etc., and the microporous structure and heat dehydration property of gypsum and its product make it possess excellent sound-insulating, heat-insulating and fire-resisting properties.
In the gypsum production course of working, need smash and the crocus, current rubbing crusher and milling machine are separately detached, and are very inconvenient during the use to gypsum raw materials grinds efficiency is lower, and the raw materials can not make full use of. Accordingly, those skilled in the art have provided a grinding and milling apparatus for gypsum processing to solve the problems set forth in the background art as described above.
Disclosure of Invention
The invention aims to provide a crushing and grinding production device for gypsum processing, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a crushing and grinding production device for gypsum processing comprises a crusher body, a cyclone collector, a bag type collector and an induced draft fan, wherein the crusher body is connected with the cyclone collector through a pipeline, the cyclone collector is connected with the bag type collector through a pipeline, the bag type collector is connected with the induced draft fan through a pipeline, the lower end of the crusher body is provided with a base, the upper end of the left side of the crusher body is provided with a feed inlet, one side of the top end of the crusher body is provided with a first exhaust pipe, one side of the first exhaust pipe, which is close to the feed inlet, is provided with a motor, which is connected with a driving shaft through a belt pulley and a belt, the driving shaft penetrates through the crusher body, is rotatably connected with the crusher body through a bearing, a crushing disc is arranged on the driving shaft, the lower end of the, a plurality of through-holes I are formed in the partition plate, one through-hole is located under the smashing rod, a first grinding disc is arranged below the partition plate, a first grinding plate is arranged below the first grinding disc, the first grinding plate is fixedly connected with the smashing machine body, a plurality of through-holes II are formed in the first grinding plate, a second grinding disc is arranged below the first grinding plate, a plurality of hemispherical protrusions are arranged at the lower ends of the second grinding disc, a second grinding plate is arranged below the second grinding disc, the second grinding plate is fixedly connected with the smashing machine body, and a plurality of through-holes III are formed in the.
As a further scheme of the invention: one side of base upper end is equipped with spacing post, and rubbing crusher body bottom outside welding has the sliding sleeve, and sliding sleeve sliding connection is spacing post.
As a still further scheme of the invention: the opposite side of base upper end is equipped with the support column, and the cover is equipped with the sleeve pipe on the support column, sleeve pipe top welding rubbing crusher body bottom.
As a still further scheme of the invention: the support column is sleeved with a support spring, and the support spring is positioned between the sleeve and the base.
As a still further scheme of the invention: the middle part of the lower end of the crusher body is provided with a vibration motor, and slag outlets are formed in two sides of the vibration motor.
As a still further scheme of the invention: the right side of the pulverizer body is connected with a second exhaust pipe, one end of the second exhaust pipe is communicated with a first grinding disc inside the pulverizer body, and one end of the second exhaust pipe is communicated with a second grinding disc inside the pulverizer body.
As a still further scheme of the invention: the diameter of the first through hole is larger than that of the second through hole, and the diameter of the second through hole is larger than that of the third through hole.
As a still further scheme of the invention: a plurality of hemispherical bulges are arranged at the lower end of the grinding disc.
As a still further scheme of the invention: and a plurality of hemispherical bulges are arranged at the lower end of the second grinding disc.
Compared with the prior art, the invention has the beneficial effects that:
1. when in use, raw materials enter the pulverizer body from the feed inlet, the motor is started to drive the driving shaft to rotate, the pulverizing disc is rotated to drive the pulverizing rod to rotate, the raw materials are pulverized by the pulverizing rod and the fixing rod, the pulverized raw materials pass through the first through hole of the partition plate and fall on the first grinding disc, the first grinding disc rotates to enable the raw materials to fall between the first grinding disc and the first grinding plate, the raw materials are ground by the hemispherical bulge at the lower end of the first grinding disc, the volume of the ground raw materials is reduced, the ground raw materials pass through the second through hole and fall on the second grinding disc, the second grinding disc rotates to enable the raw materials to fall between the second grinding disc and the second grinding plate, the raw materials are ground by the hemispherical bulge at the lower end of the second grinding disc, the raw materials are smaller in volume, the raw materials after secondary grinding pass through the third through hole and are discharged from the slag outlet, the internal structure of the pulverizer body is simple in design, and the secondary grinding can be performed, so that the utilization rate of raw materials is improved.
2. The draught fan is started, so that gypsum powder generated in the crushing process in the crusher body enters the cyclone collector from the pipeline, gypsum powder generated in the grinding process of the first grinding disc and the first grinding plate, gypsum powder generated in the grinding process of the second grinding disc and the second grinding plate enters the cyclone collector from the second exhaust pipe, gypsum powder is collected from the discharge opening of the lower end of the cyclone collector, redundant gypsum powder enters the bag-type collector and is collected, fresh air is discharged from the air outlet of the draught fan, and pollution to the air is reduced.
Drawings
FIG. 1 is a schematic structural view of a crushing and grinding production apparatus for gypsum processing.
FIG. 2 is a schematic view showing the structure of a pulverizer body in a pulverizer/mill production apparatus for gypsum processing.
FIG. 3 is a bottom view of a crushing disk in a crushing/grinding production apparatus for gypsum processing.
In the figure: 1-crusher body, 2-cyclone collector, 3-bag collector, 4-induced draft fan, 5-base, 6-feed inlet, 7-spacing column, 8-sliding sleeve, 9-sleeve, 10-support column, 11-support spring, 12-exhaust pipe I, 13-water inlet pipe, 14-motor, 15-belt pulley, 16-driving shaft, 17-crushing disk, 18-crushing rod, 19-partition plate, 20-fixing rod, 21-through hole I, 22-grinding disk I, 23-grinding plate I, 24-through hole II, 25-grinding disk II, 26-grinding plate II, 27-through hole III, 28-vibrating motor, 29-slag outlet, 30-exhaust pipe II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a pulverizing and grinding production apparatus for gypsum processing includes a pulverizer body 1, a cyclone collector 2, a bag collector 3, and an induced draft fan 4, wherein the pulverizer body 1 is connected to the cyclone collector 2 through a pipeline, the cyclone collector 2 is connected to the bag collector 3 through a pipeline, the bag collector 3 is connected to the induced draft fan 4 through a pipeline, a base 5 is disposed at a lower end of the pulverizer body 1, and a feeding port 6 is disposed at an upper end of a left side of the pulverizer body 1.
One side of the upper end of the base 5 is provided with a limiting column 7, the outer side of the bottom end of the pulverizer body 1 is welded with a sliding sleeve 8, the sliding sleeve 8 is connected with the limiting column 7 in a sliding manner, the other side of the upper end of the base 5 is provided with a support column 10, the support column 10 is sleeved with a sleeve 9, the top end of the sleeve 9 is welded with the bottom end of the pulverizer body 1, the support column 10 is sleeved with a support spring 11, the support spring 11 is positioned between the sleeve 9 and the base 5, one side of the top end of the pulverizer body 1 is provided with a first exhaust pipe 12, one side of the first exhaust pipe 12, which is close to the feed inlet 6, is provided with a water inlet pipe 13, one side of the pulverizer body 1, which is far away from the feed inlet 6, is provided with a motor 14, which is connected, a partition plate 19 is arranged below the crushing disc 17, a fixing rod 20 is welded at the upper end of the partition plate 19 between adjacent crushing rods 18, a plurality of through holes 21 are formed in the partition plate 19, the through holes 21 are positioned under the crushing rods 18, a grinding disc 22 is arranged below the partition plate 19, a plurality of hemispherical protrusions are arranged at the lower end of the grinding disc 22, a grinding plate 23 is arranged below the grinding disc 22, the grinding plate 23 is fixedly connected with the crusher body 1, a plurality of through holes 24 are formed in the grinding plate 23, a grinding disc 25 is arranged below the grinding plate 23, a plurality of hemispherical protrusions are arranged at the lower end of the grinding disc 25, a grinding plate 26 is arranged below the grinding disc 25, the grinding plate 26 is fixedly connected with the crusher body 1, a plurality of through holes 27 are formed in the grinding plate 26, a vibration motor 28 is arranged in the middle of the lower end of the crusher body 1, slag outlets 29 are formed in two sides of the vibration, and one end of the second exhaust pipe 30 is communicated with the first grinding disc 22 in the crusher body 1, one end of the second exhaust pipe 30 is communicated with the second grinding disc 25 in the crusher body 1, the diameter of the first through hole 21 is larger than that of the second through hole 24, and the diameter of the second through hole 24 is larger than that of the third through hole 27.
The working principle of the invention is as follows:
when in use, raw materials enter the crusher body 1 from the feed inlet 6, the motor 14 is started to drive the driving shaft 16 to rotate, so that the crushing disc 17 rotates to drive the crushing rod 18 to rotate, the raw materials are crushed by the crushing rod 18 and the fixing rod 20, the crushed raw materials pass through the first through hole 21 of the partition plate 19 and fall on the first grinding disc 22, the first grinding disc 22 rotates to enable the raw materials to fall between the first grinding disc 22 and the first grinding plate 23, the raw materials are ground by the hemispherical bulge at the lower end of the first grinding disc 22, the ground raw materials are reduced in volume and fall on the second grinding disc 25 by passing through the second through hole 24, the second grinding disc 25 rotates to enable the raw materials to fall between the second grinding disc 25 and the second grinding plate 26, the raw materials are ground by the hemispherical bulge at the lower end of the second grinding disc 25, so that the raw materials are smaller in volume, the raw materials after secondary grinding pass through the third through hole 27 and are discharged from the, this 1 internal structure of rubbing crusher body designs simply, can realize that the crushing and the grinding function of raw materials are as an organic whole, and can regrind, improve the utilization ratio of raw materials, start draught fan 4, make the gesso that produces when smashing in the rubbing crusher body 1 get into cyclone collector 2 from the pipeline, the gesso that produces when abrasive disc one 22 and abrasive sheet one 23 grind, the gesso that produces when abrasive disc two 25 and abrasive sheet two 26 grind gets into cyclone collector 2 from two 30 entering blast pipes, collect the gesso from the discharge opening of cyclone collector 2 lower extreme, unnecessary gesso gets into in the pocket collector 3 and collects, fresh air is discharged from draught fan 4 air outlet.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A crushing and grinding production device for gypsum processing comprises a crusher body (1), a cyclone collector (2), a bag type collector (3) and an induced draft fan (4), and is characterized in that the crusher body (1) is connected with the cyclone collector (2) through a pipeline, the cyclone collector (2) is connected with the bag type collector (3) through a pipeline, the bag type collector (3) is connected with the induced draft fan (4) through a pipeline, a base (5) is arranged at the lower end of the crusher body (1), a feed inlet (6) is arranged at the upper end of the left side of the crusher body (1), a first exhaust pipe (12) is arranged at one side of the top end of the crusher body (1), a water inlet pipe (13) is arranged at one side of the first exhaust pipe (12) close to the feed inlet (6), a motor (14) is arranged at one side of the crusher body (1, the grinding machine comprises a grinding machine body (1), a driving shaft (16) penetrates through the grinding machine body (1), the driving shaft (16) is rotatably connected with the grinding machine body (1) through a bearing, a grinding disc (17) is installed on the driving shaft (16), a plurality of grinding rods (18) are welded at the lower end of the grinding disc (17), a partition plate (19) is arranged below the grinding disc (17), a fixing rod (20) is welded at the position, located between every two adjacent grinding rods (18), of the upper end of the partition plate (19), a plurality of first through holes (21) are formed in the partition plate (19), the first through holes (21) are located under the grinding rods (18), a first grinding disc (22) is arranged below the partition plate (19), a first grinding plate (23) is arranged below the first grinding disc (22), the first grinding plate (23) is fixedly connected with the grinding machine body (1), a plurality of second through holes (24) are formed in the first grinding plate (23), a, a second grinding plate (26) is arranged below the second grinding disc (25), the second grinding plate (26) is fixedly connected with the pulverizer body (1), and a plurality of third through holes (27) are formed in the second grinding plate (26).
2. The crushing and grinding production device for gypsum processing according to claim 1, wherein one side of the upper end of the base (5) is provided with a limiting column (7), the outer side of the bottom end of the crusher body (1) is welded with a sliding sleeve (8), and the sliding sleeve (8) is connected with the limiting column (7) in a sliding manner.
3. The crushing and grinding production device for gypsum processing according to claim 1, wherein a support pillar (10) is arranged on the other side of the upper end of the base (5), a sleeve (9) is sleeved on the support pillar (10), and the top end of the sleeve (9) is welded to the bottom end of the crusher body (1).
4. A crushing and grinding apparatus for producing gypsum according to claim 3, wherein the supporting column (10) is provided with a supporting spring (11) in a sleeved manner, and the supporting spring (11) is located between the sleeve (9) and the base (5).
5. The crushing and grinding production device for gypsum processing according to claim 1, wherein a vibration motor (28) is installed in the middle of the lower end of the crusher body (1), and slag outlets (29) are formed in two sides of the vibration motor (28).
6. The crushing and grinding production device for processing gypsum according to claim 1, wherein a second exhaust pipe (30) is connected to the right side of the crusher body (1), one end of the second exhaust pipe (30) is communicated with a first grinding disc (22) inside the crusher body (1), and one end of the second exhaust pipe (30) is communicated with a second grinding disc (25) inside the crusher body (1).
7. The apparatus for producing a grinding powder for use in gypsum processing according to claim 1, wherein the diameter of the first through hole (21) is larger than the diameter of the second through hole (24), and the diameter of the second through hole (24) is larger than the diameter of the third through hole (27).
8. A mill powder producing apparatus for gypsum processing according to claim 1, wherein said first grinding plate (22) is provided at its lower end with a plurality of hemispherical protrusions.
9. The apparatus for producing pulverized and ground powder for gypsum processing as claimed in claim 1, wherein said second grinding plate (25) is provided at its lower end with a plurality of hemispherical protrusions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911083241.6A CN110801903A (en) | 2019-11-07 | 2019-11-07 | Gypsum processing is with smashing crocus apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911083241.6A CN110801903A (en) | 2019-11-07 | 2019-11-07 | Gypsum processing is with smashing crocus apparatus for producing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110801903A true CN110801903A (en) | 2020-02-18 |
Family
ID=69502164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911083241.6A Withdrawn CN110801903A (en) | 2019-11-07 | 2019-11-07 | Gypsum processing is with smashing crocus apparatus for producing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110801903A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007686A (en) * | 2020-09-10 | 2020-12-01 | 江苏飞亚化学工业有限责任公司 | Catalyst preparation process for continuous production of alkylbenzene |
| CN113413963A (en) * | 2021-06-25 | 2021-09-21 | 王丽香 | Aggregate rubbing crusher is used in processing of cement substrate |
| CN115870052A (en) * | 2022-12-16 | 2023-03-31 | 大连亚泰科技新材料股份有限公司 | Preparation method and production device of nano magnesium hydride |
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| CN102613325A (en) * | 2012-04-13 | 2012-08-01 | 浙江德清奥萃生物科技有限公司 | Processing device for superfine tea powder |
| CN203916748U (en) * | 2014-05-25 | 2014-11-05 | 哈尔滨理工大学 | A kind of multistage lapping device of chemical material particle |
| CN107008183A (en) * | 2017-05-11 | 2017-08-04 | 成都宇珩智能家居科技有限公司 | A kind of industrial materials mixing arrangement |
| CN108160213A (en) * | 2017-12-27 | 2018-06-15 | 郑州默尔电子信息技术有限公司 | A kind of multistage multiple step format reducing mechanism of shraff |
| CN109269259A (en) * | 2018-11-13 | 2019-01-25 | 王双成 | A kind of dandelion powder drier |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20010026714A (en) * | 1999-09-08 | 2001-04-06 | 박준일 | Microminiature powdering machine |
| CN102613325A (en) * | 2012-04-13 | 2012-08-01 | 浙江德清奥萃生物科技有限公司 | Processing device for superfine tea powder |
| CN203916748U (en) * | 2014-05-25 | 2014-11-05 | 哈尔滨理工大学 | A kind of multistage lapping device of chemical material particle |
| CN107008183A (en) * | 2017-05-11 | 2017-08-04 | 成都宇珩智能家居科技有限公司 | A kind of industrial materials mixing arrangement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007686A (en) * | 2020-09-10 | 2020-12-01 | 江苏飞亚化学工业有限责任公司 | Catalyst preparation process for continuous production of alkylbenzene |
| CN113413963A (en) * | 2021-06-25 | 2021-09-21 | 王丽香 | Aggregate rubbing crusher is used in processing of cement substrate |
| CN113413963B (en) * | 2021-06-25 | 2022-12-06 | 冀东水泥铜川有限公司 | Aggregate rubbing crusher is used in processing of cement substrate |
| CN115870052A (en) * | 2022-12-16 | 2023-03-31 | 大连亚泰科技新材料股份有限公司 | Preparation method and production device of nano magnesium hydride |
| CN115870052B (en) * | 2022-12-16 | 2023-08-22 | 大连亚泰科技新材料股份有限公司 | Preparation method and production device of nano magnesium hydride |
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Application publication date: 20200218 |
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| WW01 | Invention patent application withdrawn after publication |