CN112642533A - Filter equipment is used in pesticide midbody production - Google Patents
Filter equipment is used in pesticide midbody production Download PDFInfo
- Publication number
- CN112642533A CN112642533A CN202011513013.0A CN202011513013A CN112642533A CN 112642533 A CN112642533 A CN 112642533A CN 202011513013 A CN202011513013 A CN 202011513013A CN 112642533 A CN112642533 A CN 112642533A
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- fixedly connected
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- wall
- material guide
- grinding plate
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- 239000000575 pesticide Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title description 5
- 238000000227 grinding Methods 0.000 claims abstract description 82
- 239000000463 material Substances 0.000 claims abstract description 64
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 238000007599 discharging Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 18
- 238000012216 screening Methods 0.000 abstract description 12
- 239000000543 intermediate Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003786 synthesis 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
- 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
- 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
- B02C23/02—Feeding devices
-
- 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
- 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
-
- 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
- B02C7/14—Adjusting, applying pressure to, or controlling distance between, discs
-
- 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
- B02C7/16—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a filtering device for producing a pesticide intermediate, which comprises a box body, wherein an electric cabinet is fixedly connected to the outer wall of one end of the box body, a feeding hole is fixedly connected to the top of the box body, a material guide pipe is fixedly connected to the bottom of the feeding hole, a material guide box is rotatably connected to the bottom of the material guide pipe, a rotating mechanism is arranged on the outer wall of the material guide box, and an upper grinding plate is fixedly connected to the bottom of the material guide box. According to the invention, raw materials are input into the material guide pipe and the material guide box through the arrangement of the feeding hole, and finally enter between the upper grinding plate and the lower grinding plate from the feeding groove at the top of the upper grinding plate, the material guide box and the upper grinding plate at the bottom of the material guide box are driven to rotate through the arrangement of the rotating mechanism, so that the upper grinding plate and the lower grinding plate rotate mutually to grind the raw materials, the grinding fineness can be further improved through the arrangement of the sawtooth grinding block and the grinding table, and the ground raw materials are subjected to multi-stage screening through the arrangement of the first filter plate and the second filter plate.
Description
Technical Field
The invention relates to the technical field of filtering devices, in particular to a filtering device for production of a pesticide intermediate.
Background
The first pesticides used are DDT, Liuliu six, etc. which can largely kill pests, but they are stable and can exist in the environment for a long time and accumulate in animals, plants and human body, and are eliminated for this reason.
And the pesticide intermediate is some raw materials or products used in the pesticide synthesis process. When the pesticide intermediate is used, no matter the pesticide intermediate is a raw material medicine, a pharmacy or an auxiliary material, the intermediate is required to be filtered and sorted, the traditional filtering mode is to utilize a mesh screen to sort the pesticide intermediate and filter out particles with different sizes, the filtering mechanism is single, and the grinding treatment cannot be carried out when the intermediate is filtered, so that the production progress is influenced, and therefore, the research on the filtering device with the grinding function and the multistage filtering function for producing the pesticide intermediate is necessary.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a filtering device for producing a pesticide intermediate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a filtering device for producing pesticide intermediates comprises a box body, wherein an electric cabinet is fixedly connected to the outer wall of one end of the box body, a feed inlet is fixedly connected to the top of the box body, a material guide pipe is fixedly connected to the bottom of the feed inlet, a material guide box is rotatably connected to the bottom of the material guide pipe, a rotating mechanism is arranged on the outer wall of the material guide box, an upper grinding plate is fixedly connected to the bottom of the material guide box, a feed chute is formed in the top of the upper grinding plate, a sawtooth grinding block is fixedly connected to the bottom of the upper grinding plate, a lower grinding plate is arranged at the bottom of the upper grinding plate, a grinding table is fixedly connected to the top of the lower grinding plate, the lower grinding plate is fixedly connected to the inner wall of the box body, a second filter plate is fixedly connected to the outer side of the outer wall of, the support frame top fixedly connected with first filter, first filter sets up to the arc, support frame bottom fixedly connected with discharging channel, discharging channel bottom is provided with the case that gathers materials, gather materials case and box inner wall fixed connection.
Preferably, slewing mechanism includes second motor and drive gear, second motor and box top outer wall fixed connection, drive gear and second motor fixed connection, and the drive gear other end transmission is connected with driven gear, driven gear and guide case fixed connection.
Preferably, the bottom of the lower grinding plate is provided with a vibrating motor, the top and the bottom of the vibrating motor are fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with the lower grinding plate, the bottom of the connecting rod is fixedly connected with the top of the first filter plate, the bottom of the lower grinding plate is fixedly connected with a plurality of springs, the bottom of each spring is fixedly connected with a bottom plate, and the bottom plate is fixedly connected with the inner wall of the box body.
Preferably, the bottom of the supporting frame is fixedly connected with a plurality of first material guide plates, and the first material guide plates are uniformly and symmetrically distributed.
Preferably, the inner wall of the first material guide plate is fixedly connected with a heating plate, and the heating plate is electrically connected with the electric cabinet.
Preferably, the inner wall of the discharge channel is provided with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a packing auger, the outer wall of the bottom of the box body is fixedly connected with a first motor, and the first motor is fixedly connected with the rotating shaft.
Preferably, the outer wall of the top of the packing auger is fixedly connected with a plurality of rotating plates, and a large number of filtering holes are formed in the outer walls of the rotating plates.
The invention has the beneficial effects that:
1. through setting up the feed inlet to input raw materials in guide pipe and the guide incasement, finally enter into between lapping plate and the lower lapping plate in the feed chute at last lapping plate top, last lapping plate through setting up slewing mechanism drive guide case and bottom rotates, thereby make and go up the lapping plate and grind the raw materials with mutual rotation down between the lapping plate, can further improve the grinding fineness through setting up sawtooth abrasive brick and grinding table, carry out multistage screening through setting up first filter and second filter to the raw materials after grinding, the mesh of high-efficient filtration screening has finally been realized.
2. Through setting up vibrating motor and utilizing the connecting rod of top and bottom can vibrate the transmission to lapping plate and first filter down, make lapping plate down when grinding, make the raw materials can slide to the second filter, and make the raw materials more fast through the screening of first filter, improve and filter screening efficiency, by spring coupling under through setting up between lapping plate and the bottom plate to the lapping plate has bigger elastic displacement volume under the messenger.
3. The auger that connects axis of rotation and outer wall rotates through setting up first motor to the material that makes discharging channel drop rotates the ejection of compact and handles, improves the efficiency that the material got into the case that gathers materials, can further hit the screening processing that looses to the material through the rotor plate of seting up the filtration pore that sets up the auger outer wall.
Drawings
Fig. 1 is a schematic sectional structure view of a filtration apparatus for producing a pesticide intermediate according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a main body of a grinding mechanism of a filtering device for producing a pesticide intermediate provided by the invention;
fig. 3 is a schematic partial sectional structure view of a filtration apparatus for producing a pesticide intermediate according to embodiment 2 of the present invention.
In the figure: the automatic grinding machine comprises a box body 1, a lower grinding plate 2, an electric cabinet 3, a spring 4, a bottom plate 5, a vibrating motor 6, a supporting frame 7, a first material guide plate 8, a material collecting box 9, a rotating plate 10, a rotating shaft 11, a first motor 12, a packing auger 13, a discharge passage 14, a heating plate 15, a first filter plate 16, a second material guide plate 17, a driving gear 18, a second filter plate 19, a grinding table 20, a sawtooth grinding block 21, an upper grinding plate 22, a driven gear 23, a material guide box 24, a material guide pipe 25, a material inlet 26 and a second motor 27.
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.
Example 1
Referring to fig. 1-2, a filtering device for producing pesticide intermediates comprises a box body 1, wherein an electric control box 3 is fixedly connected to the outer wall of one end of the box body 1, a feed inlet 26 is fixedly connected to the top of the box body 1, a material guide pipe 25 is fixedly connected to the bottom of the feed inlet 26, a material guide box 24 is rotatably connected to the bottom of the material guide pipe 25, a rotating mechanism is arranged on the outer wall of the material guide box 24, an upper grinding plate 22 is fixedly connected to the bottom of the material guide box 24, a feed chute is arranged on the top of the upper grinding plate 22, a sawtooth grinding block 21 is fixedly connected to the bottom of the upper grinding plate 22, a lower grinding plate 2 is arranged at the bottom of the upper grinding plate 22, a grinding table 20 is fixedly connected to the top of the lower grinding plate 2, the lower grinding plate 2 is fixedly connected to the inner wall of the box body 1, a second filter plate 19, the top of the supporting frame 7 is fixedly connected with a first filter plate 16, the first filter plate 16 is arranged in an arc shape, the bottom of the supporting frame 7 is fixedly connected with a discharge channel 14, the bottom of the discharge channel 14 is provided with a material collecting box 9, the material collecting box 9 is fixedly connected with the inner wall of the box body 1, the raw materials are input into the material guide pipe 25 and the material guide box 24 through the arrangement of the material inlet 26, finally enter between the upper grinding plate 22 and the lower grinding plate 2 from the material inlet groove at the top of the upper grinding plate 22, the material guide box 24 and the upper grinding plate 22 at the bottom thereof are driven to rotate through the arrangement of the rotating mechanism, thereby the upper grinding plate 22 and the lower grinding plate 2 are rotated mutually to grind the raw materials, the grinding fineness can be further improved by arranging the sawtooth grinding block 21 and the grinding table 20, through setting up first filter 16 and second filter 19 and carrying out multistage screening to the raw materials after grinding, the purpose of high-efficient filtration screening has finally been realized.
In the invention, the rotating mechanism comprises a second motor 27 and a driving gear 18, the second motor 27 is fixedly connected with the outer wall of the top of the box body 1, the driving gear 18 is fixedly connected with the second motor 27, the other end of the driving gear 18 is connected with a driven gear 23 in a transmission way, and the driven gear 23 is fixedly connected with the material guide box 24, so that the purpose of rotating the material guide box 24 and the upper grinding plate 22 is realized;
the bottom of the lower grinding plate 2 is provided with a vibrating motor 6, the top and the bottom of the vibrating motor 6 are fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with the lower grinding plate 2, the bottom of the connecting rod is fixedly connected with the top of a first filter plate 16, the outer wall of the bottom of the lower grinding plate 2 is fixedly connected with a plurality of springs 4, the bottom of the springs 4 is fixedly connected with a bottom plate 5, the bottom plate 5 is fixedly connected with the inner wall of a box body 1, the vibrating motor 6 is arranged to transmit vibration to the lower grinding plate 2 and the first filter plate 16 by utilizing the connecting rod at the top and the bottom, so that the raw materials can slide to a second filter plate 19 during grinding of the lower grinding plate 2, and the raw materials can pass through the screening of the first filter plate 16 more quickly, the filtering and screening efficiency is improved, and the lower grinding plate 2 is connected;
the bottom of the supporting frame 7 is fixedly connected with a plurality of first material guide plates 8, and the first material guide plates 8 are uniformly and symmetrically distributed to guide materials;
the inner wall of the first material guide plate 8 is fixedly connected with a heating plate 15, the heating plate 15 is electrically connected with the electric cabinet 3, and the materials are heated and dried.
The working principle is as follows: in the spare part of the device, all the components are referred to as structural members for connection, the specific connection means refers to the following working principle that the components are connected in sequence, the detailed connection means is the known technology in the field, the following main description of the working principle and process does not refer to the following description, when the device is used, raw materials are input into the guide pipe 25 and the guide box 24 through the arrangement of the feed inlet 26, finally enter between the upper grinding plate 22 and the lower grinding plate 2 from the feed chute at the top of the upper grinding plate 22, the guide box 24 and the upper grinding plate 22 at the bottom of the guide box are driven to rotate through the arrangement of the rotating mechanism, so that the upper grinding plate 22 and the lower grinding plate 2 rotate mutually to grind the raw materials, the grinding fineness can be further improved through the arrangement of the sawtooth grinding block 21 and the grinding table 20, the ground raw materials are subjected to multistage screening through the arrangement of the first filter plate 16 and the second filter plate 19, finally, the purpose of high-efficiency filtering and screening is realized.
Example 2
Referring to fig. 2-3, a filter equipment is used in pesticide intermediate production, discharge channel 14 inner wall is provided with axis of rotation 11, axis of rotation 11 outer wall fixedly connected with auger 13, box 1 bottom outer wall fixedly connected with first motor 12, first motor 12 and axis of rotation 11 fixed connection, auger 13 top outer wall fixedly connected with a plurality of rotor plates 10, a large amount of filtration pores have been seted up to rotor plate 10 outer wall.
The working principle is as follows: the auger 13 which is provided with the first motor 12 and is rotatably connected with the rotating shaft 11 and the outer wall of the rotating shaft rotates, so that the material falling from the discharging channel 14 is rotated and discharged, the efficiency of the material entering the material collecting box 9 is improved, and the material can be further collided and dispersed and screened through the rotating plate 10 which is provided with the filter holes and is arranged on the outer wall of the auger 13.
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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. The filtering device for producing the pesticide intermediate comprises a box body (1), wherein an electric control box (3) is fixedly connected to the outer wall of one end of the box body (1), and is characterized in that a feeding hole (26) is fixedly connected to the top of the box body (1), a material guide pipe (25) is fixedly connected to the bottom of the feeding hole (26), a material guide box (24) is rotatably connected to the bottom of the material guide pipe (25), a rotating mechanism is arranged on the outer wall of the material guide box (24), an upper grinding plate (22) is fixedly connected to the bottom of the material guide box (24), a feeding groove is formed in the top of the upper grinding plate (22), a sawtooth grinding block (21) is fixedly connected to the bottom of the upper grinding plate (22), a lower grinding plate (2) is arranged at the bottom of the upper grinding plate (22), a grinding table (20) is fixedly connected to the top of the lower grinding plate (2), and the, lower grinding plate (2) top outer wall outside fixedly connected with second filter (19), second filter (19) bottom is provided with second stock guide (17), second stock guide (17) bottom fixedly connected with carriage (7), carriage (7) top fixedly connected with first filter (16), first filter (16) set up to the arc, carriage (7) bottom fixedly connected with discharging channel (14), discharging channel (14) bottom is provided with the case (9) that gathers materials, gather materials case (9) and box (1) inner wall fixed connection.
2. The filtering device for producing the pesticide intermediate as claimed in claim 1, wherein the rotating mechanism comprises a second motor (27) and a driving gear (18), the second motor (27) is fixedly connected with the outer wall of the top of the box body (1), the driving gear (18) is fixedly connected with the second motor (27), the other end of the driving gear (18) is in transmission connection with a driven gear (23), and the driven gear (23) is fixedly connected with the material guiding box (24).
3. The filtering device for producing the pesticide intermediate as claimed in claim 1, wherein the bottom of the lower grinding plate (2) is provided with a vibration motor (6), the top and the bottom of the vibration motor (6) are fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with the lower grinding plate (2), the bottom of the connecting rod is fixedly connected with the top of the first filter plate (16), the outer wall of the bottom of the lower grinding plate (2) is fixedly connected with a plurality of springs (4), the bottom of the springs (4) is fixedly connected with a bottom plate (5), and the bottom plate (5) is fixedly connected with the inner wall of the box body (1).
4. The filtering device for producing the pesticide intermediate as claimed in claim 1, wherein a plurality of first material guiding plates (8) are fixedly connected to the bottom of the supporting frame (7), and the first material guiding plates (8) are uniformly and symmetrically distributed.
5. The filtering device for producing the pesticide intermediate as claimed in claim 4, wherein a heating plate (15) is fixedly connected to the inner wall of the first material guiding plate (8), and the heating plate (15) is electrically connected to the electric cabinet (3).
6. The filtering device for producing the pesticide intermediate as claimed in claim 1, wherein a rotating shaft (11) is arranged on the inner wall of the discharging channel (14), a packing auger (13) is fixedly connected to the outer wall of the rotating shaft (11), a first motor (12) is fixedly connected to the outer wall of the bottom of the box body (1), and the first motor (12) is fixedly connected with the rotating shaft (11).
7. The filtering device for producing the pesticide intermediate as claimed in claim 6, wherein the outer wall of the top of the packing auger (13) is fixedly connected with a plurality of rotating plates (10), and a large number of filtering holes are formed in the outer wall of each rotating plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011513013.0A CN112642533A (en) | 2020-12-20 | 2020-12-20 | Filter equipment is used in pesticide midbody production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011513013.0A CN112642533A (en) | 2020-12-20 | 2020-12-20 | Filter equipment is used in pesticide midbody production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112642533A true CN112642533A (en) | 2021-04-13 |
Family
ID=75358408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011513013.0A Pending CN112642533A (en) | 2020-12-20 | 2020-12-20 | Filter equipment is used in pesticide midbody production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112642533A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749255A (en) * | 2022-03-23 | 2022-07-15 | 广东逢春制药有限公司 | Superfine wall-breaking grinding mechanism for medicines |
| CN115591462A (en) * | 2022-10-28 | 2023-01-13 | 利民化学有限责任公司（Cn） | Mixed medicine production device and manufacturing method of pesticide containing fosetyl-aluminum |
-
2020
- 2020-12-20 CN CN202011513013.0A patent/CN112642533A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749255A (en) * | 2022-03-23 | 2022-07-15 | 广东逢春制药有限公司 | Superfine wall-breaking grinding mechanism for medicines |
| CN115591462A (en) * | 2022-10-28 | 2023-01-13 | 利民化学有限责任公司（Cn） | Mixed medicine production device and manufacturing method of pesticide containing fosetyl-aluminum |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210413 |
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| WD01 | Invention patent application deemed withdrawn after publication |