CN220294826U - Dustproof grinding device for magnesium powder production - Google Patents
Dustproof grinding device for magnesium powder production Download PDFInfo
- Publication number
- CN220294826U CN220294826U CN202321153220.9U CN202321153220U CN220294826U CN 220294826 U CN220294826 U CN 220294826U CN 202321153220 U CN202321153220 U CN 202321153220U CN 220294826 U CN220294826 U CN 220294826U
- Authority
- CN
- China
- Prior art keywords
- grinding
- plate
- magnesium powder
- arc
- device shell
- 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.)
- Active
Links
- 238000000227 grinding Methods 0.000 title claims abstract description 65
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model relates to the technical field of magnesium powder production and processing, and discloses a dustproof grinding device for magnesium powder production, which comprises a device shell, wherein arc-shaped grinding plates are additionally arranged on two sides of the lower part of the center position of the inner wall of the device shell, grinding rollers are vertically arranged at the center position of the top of each arc-shaped grinding plate, connecting plates are additionally arranged at the tops of the grinding rollers, telescopic bifurcation bars are longitudinally arranged at the front end, the rear end and the center position of the top of each connecting plate, and the top ends of the telescopic bifurcation bars are connected with rotating plates. This dustproof grinder is used in magnesium powder production is closely laminated with the top of arc grinding plate under the effect of flexible fork arm and rotor plate through the grinding roller to grind processing to the top material that drops at the arc grinding plate, the arc grinding plate is establishing through the card simultaneously and is installed on the device casing is inside, adopts this kind of mode, can change the arc grinding plate according to the grinding accuracy requirement of magnesium powder, thereby can grind processing to the magnesium powder of different precision requirements.
Description
Technical Field
The utility model relates to the technical field of magnesium powder production and processing, in particular to a dustproof grinding device for magnesium powder production.
Background
Magnesium powder is usually powder state of elemental magnesium, and has silvery white powder with metallic luster, active metal and inflammable matter when wet. When burned, produces intense white light and emits high heat. The reaction with water or moisture releases hydrogen, which releases a lot of heat, causing combustion or explosion. Chlorine, bromine, iodine, sulfur, phosphorus, arsenic and oxidant produce violent reaction, and have the danger of burning and explosion, and magnesium powder is mainly used as reducing agent to prepare flash powder and lead alloy, and is used as desulfurizing agent in metallurgy (when the magnesium powder is used as raw material of desulfurizing agent in metallurgical industry, the exterior of magnesium powder is covered with a layer of passivating agent). During production and processing, the magnesium powder needs to be ground.
The common dustproof grinder for magnesium powder production guides magnesium powder in grinder's inside back, closing the device feed inlet, grinder's inside abrasive structure is rotatory under drive structure and transmission structure's effect to grind processing to getting into grinder's inside magnesium powder, thereby process into the bulk powder, discharge the discharge gate of seting up through grinder bottom with the magnesium powder after grinding processing finishes again, in order to avoid when processing, the emergence of phenomenon such as explosion appears after magnesium powder contacts with the external air, be sealing state usually when processing, and at the inside inert gas isolation air that injects of grinder, prevent magnesium powder and external air contact, thereby play dirt-proof effect, this dustproof grinder structure and application method for the production of common magnesium powder. A part of dustproof grinding device for magnesium powder production is generally provided with grinding structures at the center positions of the inner wall and the inner cavity of the device, and is used for grinding processing under the mutual cooperation of one group of grinding structures and the other group of grinding structures. However, because the magnesium powder under the grinding treatment block has the precision requirement, and the precision requirement of the magnesium powder needs to be judged according to the use condition, the grinding structure inside part of the grinding device cannot be adjusted or is not easy to adjust and use, so that the magnesium powder under the block cannot be subjected to grinding processing with different precision requirements, the practicability of the device is reduced, and the grinding device for producing the magnesium powder is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a dustproof grinding device for magnesium powder production, so as to solve the technical problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dustproof grinder is used in magnesium powder production, includes the device casing, the sealing cover board is transversely installed at the top of device casing, the draw-in groove has all been vertically seted up to the inner wall central point put lower part both sides of device casing, and the inside of draw-in groove is vertical to be added and to be equipped with the arc grinding plate, the grinding roller is vertically installed to the top central point put of arc grinding plate, the top of grinding roller is added and is equipped with the connecting plate, the telescopic bifurcation pole is vertically installed to the front and back end and the central point put of top of connecting plate, the bottom of telescopic bifurcation pole all overlaps and is equipped with extrusion spring, the top of telescopic bifurcation pole is connected with the rotor plate. The grinding roller is tightly attached to the top of the arc grinding plate under the action of the telescopic bifurcation rod, the extrusion spring and the rotating plate, so that the top material falling on the arc grinding plate is ground, and meanwhile, the arc grinding plate is installed on the inside of the device shell through the clamping groove and can be replaced according to the grinding precision requirement of magnesium powder.
Preferably, the first chamber door has been seted up to the front central point of device casing put lower part, and the inner chamber of first chamber door adds and is equipped with first sealed closure plate, the front one side lower part central point of device casing puts the second chamber door, and the inner chamber of second chamber door adds and is equipped with the sealed closure plate of second, the gas tank is all transversely installed to device casing both sides central point. The arc-shaped grinding plate can be pulled out for replacement installation by opening the first sealing blocking plate.
Preferably, the top of gas tank all installs the suction pump, and the inlet end of suction pump all extends into the gas tank inner chamber, the top of suction pump all communicates and has the air duct, and the end of giving vent to anger of air duct all runs through the outer wall of device casing inwards and extends. Inert gas in the gas box is brought into the device shell through the suction pump and the gas guide pipe.
Preferably, the upper part of the central position of the inner cavity of the device shell is vertically provided with a rotating shaft, the central position of the outer surface of the rotating shaft is connected with the central position of the rotating plate, one end of the rotating shaft penetrates through the inner wall of the device shell to extend outwards, the rotating shaft is coaxially connected with a first driving motor, the first driving motor is positioned on the upper part of the central position of the back of the device shell, and an arc-shaped guide plate is arranged on the top of the rotating shaft directly above Fang Shuxiang. The first driving motor drives the rotating shaft to rotate through the rotor, so that the rotating plate and the connecting structure thereof are driven to rotate, and meanwhile, the arc-shaped guide plate can prevent materials from falling on the rotating shaft and the connecting structure thereof.
Preferably, the crushing box is transversely additionally arranged on the upper portion of the inner cavity of the device shell, the rotating rod is longitudinally arranged at the center of the bottom of the inner cavity of the crushing box, the crushing rods are additionally arranged on the periphery of the outer surface of the rotating rod, the rotating cross clamping blocks are arranged at the top ends of the rotating rods, and the collecting drawer is transversely additionally arranged at the bottom of the inner cavity of the device shell. The blocky magnesium powder falling into the crushing box is crushed through the crushing rod, and meanwhile, the crushed blocky magnesium powder descends through the crushing box and descends to the inside of the aggregate drawer after passing through the grinding structure.
Preferably, a second driving motor is longitudinally arranged at the center of the top of the sealing cover plate, a rotating rod is longitudinally and coaxially connected with a rotating shaft of the second driving motor, and a rotating cross clamping groove is formed in the bottom end of the rotating rod. The second driving motor drives the rotating rod to rotate after being connected with the rotating cross clamping block of the rotating rod through the rotating cross clamping groove on the rotating rod.
Compared with the prior art, the utility model provides a dustproof grinding device for magnesium powder production, which has the following beneficial effects:
1. this dustproof grinder is used in magnesium powder production is closely laminated with the top of arc lapping plate under the effect of flexible fork arm, extrusion spring and rotor plate through the grinding roller to grind processing to the top material that drops at the arc lapping plate, the arc lapping plate is being installed on the device casing is inside through the draw-in groove simultaneously, adopts this kind of mode, can change the arc lapping plate according to the grinding accuracy requirement of magnesium powder, thereby can grind processing to the magnesium powder of different precision requirements.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a right side view of the seal cover plate of the present utility model separated from the device housing;
fig. 3 is a schematic view of the right side view of the device housing of the present utility model in cross-section.
In the figure: 1. a device housing; 2. sealing the cover plate; 3. an arc-shaped grinding plate; 4. a grinding roller; 5. a rotating plate; 6. a first sealing closure plate; 7. a second sealing closure plate; 8. a gas box; 9. a getter pump; 10. a first driving motor; 11. an arc-shaped guide plate; 12. a crushing box; 13. crushing the rod; 14. a collection drawer; 15. and a second driving motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a technical scheme, a dustproof grinding device for magnesium powder production, which comprises a device shell 1, a sealing cover plate 2, an arc grinding plate 3, a grinding roller 4, a rotating plate 5, a first sealing baffle 6, a second sealing baffle 7, a gas box 8, an air suction pump 9, a first driving motor 10, an arc guide plate 11, a crushing box 12, a crushing rod 13, a collecting drawer 14 and a second driving motor 15, wherein the sealing cover plate 2 is transversely arranged at the top of the device shell 1, the clamping grooves are vertically formed in two sides of the lower part of the central position of the inner wall of the device shell 1, the arc grinding plate 3 is vertically arranged in the clamping grooves, the grinding roller 4 is vertically arranged at the central position of the top of the arc grinding plate 3, a connecting plate is additionally arranged at the top of the grinding roller 4, telescopic bifurcation rods are longitudinally arranged at the front end and the rear end of the top of the connecting plate and the central position, extrusion springs are respectively sleeved at the bottom of the telescopic bifurcation rods, and the rotating plate 5 is connected to the top of the telescopic bifurcation rods. Through grinding roller 4 under the effect of concertina branch pole, extrusion spring and rotor plate 5, closely laminate with the top of arc lapping plate 3 to grind the processing to the top material that drops at arc lapping plate 3, arc lapping plate 3 is being installed on device casing 1 inside through the draw-in groove simultaneously, can change according to the grinding accuracy requirement of magnesium powder.
Referring to fig. 2, a first box door is provided at the lower part of the front center of the device housing 1, a first sealing blocking plate 6 is additionally provided in an inner cavity of the first box door, a second box door is provided at the lower center of the front side of the device housing 1, a second sealing blocking plate 7 is additionally provided in an inner cavity of the second box door, and a gas box 8 is transversely installed at the center of both sides of the device housing 1. The arcuate grinding plate 3 may be withdrawn for replacement installation by opening the first sealing closure plate 6.
Referring to fig. 1, the top of the air box 8 is provided with an air suction pump 9, the air inlet ends of the air suction pump 9 extend into the inner cavity of the air box 8, the air outlet ends of the air suction pump 9 are communicated with an air duct, and the air outlet ends of the air duct extend inwards through the outer wall of the device housing 1. Inert gas inside the gas box 8 is brought into the inside of the apparatus housing 1 by the suction pump 9 and the gas-guide pipe.
Referring to fig. 3, a rotating shaft is vertically installed at an upper portion of a central position of an inner cavity of the device housing 1, an outer surface central position of the rotating shaft is connected with a central position of the rotating plate 5, one end of the rotating shaft extends outwards through an inner wall of the device housing 1, a first driving motor 10 is coaxially connected with the rotating shaft, the first driving motor 10 is located at an upper portion of a central position of a back surface of the device housing 1, and an arc-shaped guide plate 11 is vertically installed right above a top of the rotating shaft. The first driving motor 10 drives the rotating shaft to rotate through the rotor, so that the rotating plate 5 and the connecting structure thereof are driven to rotate, and meanwhile, the arc-shaped guide plate 11 can prevent materials from falling on the rotating shaft and the connecting structure thereof. The device comprises a device shell 1, wherein a crushing box 12 is transversely arranged on the upper part of an inner cavity of the device shell 1, a rotating rod is longitudinally arranged at the center of the bottom of the inner cavity of the crushing box 12, crushing rods 13 are respectively arranged on the periphery of the outer surface of the rotating rod, a rotary cross clamping block is arranged at the top end of the rotating rod, and a collecting drawer 14 is transversely arranged at the bottom of the inner cavity of the device shell 1. The lump magnesium powder falling into the pulverizing box 12 is pulverized by the pulverizing rod 13, and the pulverized lump magnesium powder descends through the pulverizing box 12 and descends to the inside of the aggregate drawer 14 after passing through the grinding structure.
Referring to fig. 2, a second driving motor 15 is longitudinally installed at the top center of the sealing cover plate 2, a rotating shaft of the second driving motor 15 is longitudinally and coaxially connected with a rotating rod, and a rotating cross clamping groove is formed at the bottom end of the rotating rod. The second driving motor 15 drives the rotating rod to rotate after being connected with the rotating cross clamping block of the rotating rod through the rotating cross clamping groove on the rotating rod.
The working principle of the device is as follows: through grinding roller 4 under the effect of flexible fork arm, extrusion spring and rotor plate 5, closely laminate with the top of arc lapping plate 3, thereby grind the processing to the top material that drops at arc lapping plate 3, arc lapping plate 3 is being installed on device casing 1 inside through the draw-in groove simultaneously, can change according to the grinding accuracy requirement of magnesium powder, can take out arc lapping plate 3 and replace the installation through opening first sealed closure plate 6, second driving motor 15 is connected the back through the rotation cross draw-in groove on the rotary rod with the rotation cross fixture block of dwang, drive the dwang rotatory, will drop into the cubic magnesium powder of smashing case 12 and smash through crushing rod 13, the cubic magnesium powder after smashing descends through smashing case 12 simultaneously, descend to the inside of drawer 14 that gathers materials behind passing through the grinding structure.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Dustproof grinder is used in magnesium powder production, including device casing, its characterized in that: the top of device casing transversely installs sealed apron, the draw-in groove has all been vertically seted up to the inner wall central point put lower part both sides of device casing, and the inside of draw-in groove is vertical to be added and to be equipped with the arc grinding plate, the grinding roller is vertically installed to the top central point put of arc grinding plate, the top of grinding roller is added and is equipped with the connecting plate, the telescopic fork arm is vertically installed to the front and back end and the central point put of top of connecting plate, the bottom of telescopic fork arm all overlaps and is equipped with extrusion spring, the top of telescopic fork arm is connected with the rotor plate.
2. The dustproof grinding device for magnesium powder production according to claim 1, wherein: the device comprises a device shell, and is characterized in that a first box door is arranged at the lower part of the front center position of the device shell, a first sealing blocking plate is additionally arranged in an inner cavity of the first box door, a second box door is arranged at the center position of the lower part of one side of the front of the device shell, a second sealing blocking plate is additionally arranged in an inner cavity of the second box door, and gas boxes are transversely arranged at the center positions of two sides of the device shell.
3. The dustproof grinding device for magnesium powder production according to claim 2, wherein: the top of gas tank all installs the getter pump, and the inlet end of getter pump all extends into the gas tank inner chamber, the top of getter pump is given vent to anger the end and is all linked together and have the air duct, and the end of giving vent to anger of air duct all runs through the outer wall of device casing inwards and extends.
4. The dustproof grinding device for magnesium powder production according to claim 1, wherein: the device comprises a device shell, wherein a rotating shaft is vertically arranged at the upper part of the central position of an inner cavity of the device shell, the central position of the outer surface of the rotating shaft is connected with the central position of a rotating plate, one end of the rotating shaft penetrates through the inner wall of the device shell to extend outwards, a first driving motor is coaxially connected with the rotating shaft, the first driving motor is positioned at the upper part of the central position of the back of the device shell, and an arc-shaped guide plate is arranged on the top of the rotating shaft directly at Fang Shuxiang.
5. The dustproof grinding device for magnesium powder production according to claim 1, wherein: the device comprises a device shell, and is characterized in that a crushing box is transversely arranged on the upper portion of an inner cavity of the device shell, a rotating rod is longitudinally arranged at the center of the bottom of the inner cavity of the crushing box, crushing rods are additionally arranged on the periphery of the outer surface of the rotating rod, a rotary cross clamping block is arranged at the top end of the rotating rod, and a collecting drawer is transversely arranged at the bottom of the inner cavity of the device shell.
6. The dustproof grinding device for magnesium powder production according to claim 1, wherein: the top center position of the sealing cover plate is longitudinally provided with a second driving motor, a rotating shaft of the second driving motor is longitudinally and coaxially connected with a rotating rod, and the bottom end of the rotating rod is provided with a rotating cross clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321153220.9U CN220294826U (en) | 2023-05-15 | 2023-05-15 | Dustproof grinding device for magnesium powder production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321153220.9U CN220294826U (en) | 2023-05-15 | 2023-05-15 | Dustproof grinding device for magnesium powder production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220294826U true CN220294826U (en) | 2024-01-05 |
Family
ID=89373738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321153220.9U Active CN220294826U (en) | 2023-05-15 | 2023-05-15 | Dustproof grinding device for magnesium powder production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220294826U (en) |
-
2023
- 2023-05-15 CN CN202321153220.9U patent/CN220294826U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204892075U (en) | High -efficient breaker of mine building stones | |
| CN206688810U (en) | A kind of mine high quality ore crusher | |
| CN111921611B (en) | Waste treatment process for magnet machining | |
| CN107570291A (en) | A kind of adjustable speed dust suction reducing mechanism for being used to crush colliery | |
| CN212882866U (en) | Blast furnace metallurgy solid waste retrieves reducing mechanism | |
| CN211463344U (en) | Mineral powder grinding and dedusting integrated equipment | |
| CN220294826U (en) | Dustproof grinding device for magnesium powder production | |
| CN210994679U (en) | Mine coal reducing mechanism | |
| CN210815453U (en) | Efficient and environment-friendly ore crushing mechanism for mining engineering | |
| CN208340912U (en) | A kind of Verticle grinding press of easy cleaning | |
| CN210131613U (en) | Feeding device is used in modified starch production | |
| CN213493970U (en) | Reduced iron powder raw material crushing device | |
| CN108579895A (en) | A kind of anti-pollution coal grinding device | |
| CN214210848U (en) | Efficient and environment-friendly ore crusher for mining engineering | |
| CN209406467U (en) | A kind of grinding device for medium carbon ferrochrome production | |
| CN221085712U (en) | Dust fall breaker is used in metal silicon production | |
| CN2855597Y (en) | Grinding and sieving machine | |
| CN219377271U (en) | Mine stone reducing mechanism | |
| CN215050455U (en) | Scrap steel smelting device for resource regeneration | |
| CN219051629U (en) | Coal mill with automatic feeding function for mining processing engineering | |
| CN221085795U (en) | Environment-friendly crushing device for coal mining of coal mine | |
| CN213409020U (en) | Preparation equipment of high-purity graphite micro powder | |
| CN220919370U (en) | Automatic low temperature reducing mechanism of feed supplement | |
| CN211385270U (en) | Content granule crushing and screening machine for miconazole nitrate vaginal soft capsules | |
| CN108371982A (en) | A kind of mining sieving approach all-in-one machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |