CN115715900A - Filtering device and filtering method - Google Patents
Filtering device and filtering method Download PDFInfo
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- CN115715900A CN115715900A CN202211488246.9A CN202211488246A CN115715900A CN 115715900 A CN115715900 A CN 115715900A CN 202211488246 A CN202211488246 A CN 202211488246A CN 115715900 A CN115715900 A CN 115715900A
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Abstract
The application discloses a filtering device and a filtering method, and belongs to the technical field of filtering. The filtering device comprises a filtering barrel, and the inner wall of the filtering barrel is rotatably connected with a centrifugal filtering barrel; the transmission mechanism is rotationally connected and arranged on the inner wall of the filter barrel; the pressurizing seat is arranged on the transmission mechanism in a threaded connection manner; the annular seat is rotatably connected and arranged at the lower side of the pressurizing seat; the filter residue collecting mechanism is fixedly connected to the lower side of the annular seat; and the driving mechanism is rotatably connected and arranged inside the pressurizing seat. Through setting up filter residue collection mechanism, can utilize the slope to go up the flitch and will adhere to the filter residue in the centrifugal filter vat and scrape down when the pressurization seat removes, collect through the poker rod and fight in, can avoid the filter residue to block up the centrifugal filter vat effectively to the filtration efficiency of centrifugal filter vat has been guaranteed.
Description
Technical Field
The present disclosure relates to the field of filtration technologies, and more particularly, to a filtration apparatus and a filtration method.
Background
The filtering device is applied to various processes, for example, residue in the Chinese medicinal liquid needs to be filtered in the process of carrying out important preparations; when the extraction of the vegetable oil is performed, the residue remaining in the vegetable oil needs to be filtered. In the filtering process, because the filter cloth is convenient to replace, the filter cloth still has wider application, for example, the technical scheme described in patent document with publication number CN108690718A and patent name of rapeseed oil residue squeezing and filtering equipment needs the filter cloth to primarily filter crude oil; for example, in the filter device of patent publication No. CN109381905A, which is entitled as an automatically replaceable filter cloth, the filter cloth is used for filtration, and the filter cloth is replaced after a while.
However, in the actual use process, because the residues adhered to the filter cloth are difficult to clean, the used filter cloth is generally discarded, and the production cost is increased; in the filtering process of the filter cloth, the state of the filter cloth is difficult to monitor, and if the filter cloth is not replaced in time, the filter efficiency is greatly influenced.
Disclosure of Invention
1. Technical problem to be solved
The present application aims to provide a filtering apparatus and a filtering method to solve the problems of the background art.
2. Technical scheme
The filtering device comprises a filtering barrel, and the inner wall of the filtering barrel is rotatably connected with a centrifugal filtering barrel; the filter device further comprises:
the transmission mechanism is arranged on the inner wall of the filter barrel;
the pressurizing seat is arranged in the centrifugal filter cylinder and is driven by the transmission mechanism, and the pressurizing seat can move up and down in the centrifugal filter cylinder under the action of the transmission mechanism;
the annular seat is arranged on the lower side of the pressurizing seat and can rotate relative to the pressurizing seat under external driving;
the filter residue collecting mechanism is fixedly arranged on the lower side of the annular seat and comprises an inclined feeding plate fixedly arranged on the lower side of the annular seat, the inclined feeding plate is attached to the side wall of the centrifugal filter cylinder, and when the pressurizing seat rotates in the centrifugal filter cylinder and the annular seat rotates relative to the pressurizing seat, the inclined feeding plate can scrape off residues attached to the centrifugal filter cylinder;
and the driving mechanism is arranged in the pressurizing seat and can drive the annular seat to rotate relative to the pressurizing seat.
As an alternative of this application technical scheme, drive mechanism includes reciprocal lead screw, reciprocal lead screw is the hollow structure setting, reciprocal lead screw one end is connected the setting with the filter vat inner wall rotation, reciprocal lead screw one end is connected fixedly and is provided with the action wheel, the action wheel meshing is provided with from the driving wheel, from the driving wheel with the filter vat inner wall rotation be connected the setting, the pressure seat with reciprocal lead screw threaded connection.
As an alternative of this application technical scheme, centrifugation lauter tub one end outer wall passes the lauter tub inner wall and extends to the outside and connect the fixed motor that is provided with, the fixed annular rack A that is provided with of centrifugation lauter tub upper end inner wall connection, annular rack A sets up with the transmission of meshing from the driving wheel, centrifugation lauter tub lower extreme inner wall is the setting of toper structure.
The filtration device of claim 1, wherein: the outer wall of the pressurizing seat and the inner wall of the centrifugal filter barrel are arranged in a sealing and sliding mode.
As an alternative scheme of the technical scheme, the driving mechanism comprises a gear sleeve, the gear sleeve and the pressurizing seat are arranged in a penetrating and rotating manner, and a limiting head is fixedly arranged on the inner wall of the gear sleeve in a connecting manner;
the inner wall of the filter barrel is fixedly connected with a spiral guide rod, and the inner wall of a spiral groove in the spiral guide rod is in sliding fit with the outer wall of the limiting head.
As an alternative of this application technical scheme, gear sleeve one side meshing is provided with the drive wheel, the drive wheel rotates with the pressurization seat inner wall and is connected the setting, drive wheel lower extreme circumference inner wall is the articulated a plurality of movable teeth that are provided with of loop configuration, movable tooth passes through the fixed setting of spring and drive wheel lower extreme inner wall connection.
As an alternative of this application technical scheme, actuating mechanism still includes the gear seat, the gear seat rotates with the pressurization seat inner wall and is connected the setting, the tooth's socket and the movable tooth swing joint of gear seat inner wall set up.
As an alternative scheme of this application technical scheme, annular rack B is fixedly provided with in the one end outer wall connection of annular seat in the pressure seat, annular rack B and gear seat meshing transmission setting.
As an alternative of this application technical scheme, the filter residue is collected the mechanism and is fought including collecting, collect to fight and be connected fixed setting with annular seat, collect and fight one end opening part and connect fixed flitch of going up that is provided with the slope, the flitch was gone up in the slope one side and centrifugal filter vat inner wall sliding contact setting, it runs through threaded connection and is provided with the lid to collect one side top surface of fighting, it is connected with the filter screen to collect the lower extreme of fighting, it is provided with and lifts dirty net to collect and fight lower extreme inner wall sliding fit, it is fixed the setting through extension spring and collection lower extreme inner wall connection to lift dirty net.
As an alternative scheme of the technical scheme, the inner wall of the opening of the collecting hopper is rotatably connected with a poke rod, and the outer wall of one end of the poke rod penetrates through the inner wall of the collecting hopper to extend to the outside and is fixedly connected with a driving wheel;
the bottom surface of the pressurizing seat is fixedly connected with an annular rack C, and the annular rack C is in meshing transmission with the driving wheel.
The application also discloses a filtering method for filtering by using the filtering device, which comprises the following steps: injecting the mixed liquid to be filtered into a centrifugal filter cylinder, and driving the centrifugal filter cylinder to rotate by a motor;
the pressurizing seat moves downwards under the action of the transmission mechanism, and when the pressurizing seat moves downwards, the pressure intensity of a space enclosed by the pressurizing seat and the centrifugal filter cylinder is increased;
the pressurizing seat moves upwards under the action of the transmission mechanism, and when the pressurizing seat moves upwards, the annular seat rotates relative to the pressurizing seat under the action of the driving mechanism; at the moment, the inclined feeding plate fixedly connected with the annular seat moves upwards along with the pressurizing seat relative to the centrifugal filter cylinder on one hand, and rotates along with the annular seat relative to the centrifugal filter cylinder on the other hand, so that residues attached to the centrifugal filter cylinder are scraped.
3. Advantageous effects
Compare in prior art, the advantage of this application lies in:
1. through setting up filter residue collection mechanism, can utilize the slope to go up the flitch and will adhere to the filter residue in the centrifugal filter vat and scrape down when the pressurization seat removes, collect through the poker rod and fight in, can avoid the filter residue to block up the centrifugal filter vat effectively to the filtration efficiency of centrifugal filter vat has been guaranteed.
2. Through setting up drive mechanism, can drive the pressurization seat and reciprocate, can be for the inside extrusion force that produces of centrifugal filter vat when the pressurization seat moves down to can make the quick filtration of mixed liquid, simultaneously under actuating mechanism's effect, can drive the filter residue and collect the mechanism and carry out the circumferential rotation, improve the clearance scope.
3. Through setting up centrifugal filter vat, can pivoted centrifugal filter vat can filter through centrifugal force, further improves the filter effect, and centrifugal filter vat bottom is the toper structure setting simultaneously for the filter residue can be to gathering all around, and the clearance of being convenient for is simultaneously fought through collecting to set up the dirty board of lifting that has the extension spring in, is convenient for lift the filter residue of inside, clears up.
Drawings
FIG. 1 is a partial cross-sectional view of the overall structure of a filtration device as disclosed in a preferred embodiment of the present application;
FIG. 2 is a schematic view of a transmission mechanism of the filtering apparatus disclosed in a preferred embodiment of the present application;
FIG. 3 is an expanded view, partially in section, of a filter device according to a preferred embodiment of the present disclosure;
FIG. 4 is an expanded view of the driving mechanism of the filtering device disclosed in the preferred embodiment of the present application;
FIG. 5 is a partially schematic, exploded view of a filter residue collection mechanism of a filtration apparatus according to a preferred embodiment of the present application;
the numbering in the figures illustrates: 1. a filter vat; 2. a centrifugal filter vat; 3. a transmission mechanism; 4. a pressurizing seat; 5. an annular seat; 6. a filter residue collecting mechanism; 7. a drive mechanism; 301. a reciprocating screw rod; 302. a driving wheel; 303. a driven wheel; 201. a motor; 202. an annular rack A; 701. a gear sleeve; 702. a limiting head; 703. a driving wheel; 704. a movable tooth; 705. a spring; 706. a gear seat; 501. an annular rack B; 401. an annular rack C; 601. a collecting hopper; 602. inclining the feeding plate; 603. a poke rod; 604. a drive wheel; 605. carrying out dirt lifting; 606. a tension spring; 101. a spiral guide rod.
Detailed Description
Referring to fig. 1-5, the present application provides a technical solution:
the filtering device comprises a filtering barrel 1, wherein the inner wall of the filtering barrel 1 is rotatably connected with a centrifugal filtering barrel 2; this filter equipment still includes drive mechanism 3, pressurization seat 4, annular seat 5, filter residue collection mechanism 6 and actuating mechanism 7, wherein:
the transmission mechanism 3 is arranged on the inner wall of the filter barrel 1;
the pressurizing seat 4 is arranged in the centrifugal filter cylinder and is driven by the transmission mechanism, and the pressurizing seat can move up and down in the centrifugal filter cylinder under the drive of the transmission mechanism;
the annular seat 5 is rotatably arranged at the lower side of the pressurizing seat 4;
the filter residue collecting mechanism 6 is fixedly arranged on the lower side of the annular seat 5 and comprises an inclined feeding plate fixedly arranged on the lower side of the annular seat, and the inclined feeding plate is attached to the centrifugal filter cylinder and can scrape off residues attached to the centrifugal filter cylinder;
the driving mechanism 7 is arranged inside the pressurizing seat 4 and can drive the annular seat to rotate relative to the pressurizing seat.
Specifically, drive mechanism 3 includes reciprocal lead screw 301, and reciprocal lead screw 301 is hollow structure setting, and reciprocal lead screw 301 one end is rotated with filter vat 1 inner wall and is connected the setting, and reciprocal lead screw 301 one end is connected fixedly and is provided with action wheel 302, and action wheel 302 meshing is provided with from driving wheel 303, from driving wheel 303 and filter vat 1 inner wall rotation connection setting.
In this embodiment, the transmission mechanism 3 realizes the function of driving the pressurizing base 4 to move while the centrifugal filter barrel 2 rotates.
Further, 2 one end outer walls of centrifugal filter vat pass through filter vat 1 inner wall and extend to the outside and connect the fixed motor 201 that is provided with, the fixed annular rack A202 that is provided with of motor 201 upper end inner wall connection, annular rack A202 with from driving wheel 303 meshing transmission setting, 2 lower extreme inner walls of centrifugal filter vat are the toper structure setting.
In this embodiment, 2 lower extreme inner walls of centrifugal filter bucket are the toper structure setting for the filter residue is difficult for piling up.
Further, the outer wall of the pressurizing seat 4 is arranged in sliding fit with the inner wall of the centrifugal filter barrel 2, and the middle of the pressurizing seat 4 is in threaded connection with the reciprocating screw rod 301.
In the present embodiment, when the pressure seat 4 moves downward in the centrifugal filter cartridge, the pressure below the pressure seat is increased, thereby achieving the squeezing and filtering effect.
Furthermore, the driving mechanism 7 comprises a gear sleeve 701, the gear sleeve 701 and the pressurizing seat 4 are arranged in a penetrating and rotating connection manner, and a limiting head 702 is fixedly arranged on the inner wall of the gear sleeve 701 in a connecting manner;
the inner wall of the filter barrel 1 is fixedly connected with a spiral guide rod 101, and the inner wall of a spiral groove on the spiral guide rod 101 is in sliding fit with the outer wall of the limiting head 702.
In the present embodiment, the spiral guide rod 101 performs a function of driving the driving mechanism 7.
Furthermore, a driving wheel 703 is engaged with one side of the gear sleeve 701, the driving wheel 703 is rotatably connected with the inner wall of the pressurizing seat 4, a plurality of movable teeth 704 are hinged to the inner wall of the circumference of the lower end of the driving wheel 703 in an annular structure, and the movable teeth 704 are fixedly connected with the inner wall of the lower end of the driving wheel 703 through springs 705.
Furthermore, the driving mechanism 7 further comprises a gear seat 706, the gear seat 706 is rotatably connected with the inner wall of the pressurizing seat 4, and the tooth groove of the inner wall of the gear seat 706 is movably engaged with the movable tooth 704.
In this embodiment, when the reciprocating screw drives the pressing base to move downward, the rotation of the driving wheel 703 causes the movable teeth to press the spring 705, and at this time, the movement of the pressing base cannot cause the rotation of the gear base, that is, when the pressing base moves downward, the annular base cannot rotate relative to the pressing base, and at this time, the inclined feeding plate moves linearly;
when the reciprocating screw rod drives the pressurizing seat to move upwards, the tooth surface of the movable tooth at the side where the spring is located is in contact with the tooth groove of the inner wall of the gear seat through rotation of the driving wheel 703, so that the driving wheel drives the gear seat to rotate, at the moment, the annular seat rotates relative to the pressurizing seat, namely, when the reciprocating screw rod drives the pressurizing seat to move upwards, the inclined feeding plate moves upwards along with the pressurizing seat along the inner wall of the centrifugal filter cylinder on the one hand, and moves relative to the centrifugal filter cylinder along with the annular seat on the other hand, and residues attached to the side wall of the centrifugal filter cylinder are scraped.
It is worth to say that, the outer wall of one end of the annular seat 5 located in the pressure seat 4 is fixedly connected with an annular rack B501, and the annular rack B501 is in meshing transmission with the gear seat 706.
In the present embodiment, the annular rack B501 performs a rotating action of the annular seat 5.
It is worth noting that filter residue collection mechanism 6 is including collecting hopper 601, collect hopper 601 and be connected fixed the setting with annular seat 5, collect hopper 601 one end opening part and connect fixedly and be provided with flitch 602 on inclining, flitch 602's one side and 2 inner wall sliding contact settings of centrifugal filter vat in the slope, it is provided with the lid to collect hopper 601 one side top surface through threaded connection, it is connected with the filter screen to collect hopper 601 lower extreme, collect hopper 601 lower extreme inner wall sliding fit and be provided with and lift dirty net 605, it is fixed the setting with collection hopper 601 lower extreme inner wall connection through extension spring 606 to lift dirty net 605.
In this embodiment, the dirt lifting net 605 is convenient for lifting dirt for cleaning under the action of the tension spring 606.
In addition, a poke rod 603 is rotatably connected to the inner wall of the opening of the collecting hopper 601, and the outer wall of one end of the poke rod 603 penetrates through the inner wall of the collecting hopper 601 to extend to the outside and is fixedly connected with a driving wheel 604;
the bottom surface of the pressure seat 4 is fixedly connected with an annular rack C401, and the annular rack C401 is in meshing transmission with a driving wheel 604.
In this embodiment, the poke rod 603 realizes the function of rapidly collecting filter residues.
In this embodiment, the filtration of the traditional Chinese medicine mixture is taken as an example for illustration, when the traditional Chinese medicine mixture is filtered, the traditional Chinese medicine mixture can be injected into the centrifugal filter barrel 2, and then the motor 201 is used to drive the connected centrifugal filter barrel 2 to rotate for filtration;
meanwhile, the driven wheel 303 is driven to rotate under the action of the annular rack A202, so that the driven wheel 303 drives the driving wheel 302 to rotate, the driving wheel 302 drives the reciprocating screw rod 301 to rotate, and the pressurizing seat 4 is driven to move downwards, so that the traditional Chinese medicine mixed liquid can be extruded and filtered;
when the pressurizing seat moves downwards in the centrifugal filter cartridge, the gear sleeve 701 connected with the limiting head 702 can rotate under the action of the spiral guide rod 101, so that the driving wheel 703 can be driven to rotate, the driving wheel 703 can drive the movable teeth 704 to rotate, at the moment, the movable teeth 704 can be clamped with the inner wall of the gear seat 706, the gear seat 706 can be driven to rotate, and then the gear seat 706 can drive the annular seat 5 connected with the annular rack B501 to rotate;
when the annular seat 5 rotates, the collecting hopper 601 is driven to rotate circumferentially, the inclined feeding plate 602 scrapes off filter residues on the inner wall of the centrifugal filter barrel 2, and then the driving wheel 604 can rotate under the action of the annular rack C401, so that the connected poke rod 603 is driven to rotate, and the filter residues are pushed into the collecting hopper 601;
then the pressurizing seat moves downwards again, and the circulation is carried out in sequence until the filtering work is finished.
When filter residue in the collection fill 601 needs to be cleaned, the cover plate can be opened, and the dirt lifting net 605 can move upwards under the action of the tension spring 606, so that the filter residue is lifted, and the cleaning is convenient.
Of course, in this embodiment, for convenience of description, the working process of the technical solution of the present application is described by taking the filtration of the mixed traditional Chinese medicine solution as an example, and in the actual use process, the technical solution described in the present application can be used not only for the filtration of the mixed traditional Chinese medicine solution, but also for the filtration process of the remaining mixed liquid for separating the residue.
Claims (10)
1. Filter equipment, including the filter vat, its characterized in that: the inner wall of the filter barrel is rotatably connected with a centrifugal filter barrel; the filter device further comprises:
the transmission mechanism is arranged on the inner wall of the filter barrel;
the pressurizing seat is arranged in the centrifugal filter cylinder and is driven by the transmission mechanism, and the pressurizing seat can move up and down in the centrifugal filter cylinder under the action of the transmission mechanism;
the annular seat is arranged on the lower side of the pressurizing seat and can rotate relative to the pressurizing seat under external driving;
the filter residue collecting mechanism is fixedly arranged on the lower side of the annular seat and comprises an inclined feeding plate fixedly arranged on the lower side of the annular seat, the inclined feeding plate is attached to the side wall of the centrifugal filter cylinder, and when the pressurizing seat rotates in the centrifugal filter cylinder and the annular seat rotates relative to the pressurizing seat, the inclined feeding plate can scrape off residues attached to the centrifugal filter cylinder;
and the driving mechanism is arranged in the pressurizing seat and can drive the annular seat to rotate relative to the pressurizing seat.
2. The filtration device of claim 1, wherein: the transmission mechanism comprises a reciprocating lead screw, the reciprocating lead screw is of a hollow structure, one end of the reciprocating lead screw is connected and arranged with the inner wall of the filter barrel in a rotating mode, one end of the reciprocating lead screw is fixedly connected and provided with a driving wheel, the driving wheel is meshed with a driven wheel, the driven wheel is connected and arranged with the inner wall of the filter barrel in a rotating mode, and the pressurizing seat is connected with the reciprocating lead screw in a threaded mode.
3. The filtration device of claim 2, wherein: the centrifugal filter vat one end outer wall passes the filter vat inner wall and extends to the outside and connect the fixed motor that is provided with, the fixed annular rack A that is provided with of centrifugal filter vat upper end inner wall connection, annular rack A with from the driving wheel meshing transmission setting, centrifugal filter vat lower extreme inner wall is the setting of toper structure.
4. The filtration device of claim 1, wherein: the outer wall of the pressurizing seat and the inner wall of the centrifugal filter barrel are arranged in a sealing and sliding mode.
5. The filtration device of claim 1, wherein: the driving mechanism comprises a gear sleeve, the gear sleeve and the pressurizing seat are arranged in a penetrating and rotating mode, and a limiting head is fixedly arranged on the inner wall of the gear sleeve in a connecting mode;
the inner wall of the filter barrel is fixedly connected with a spiral guide rod, and the inner wall of a spiral groove in the spiral guide rod is in sliding fit with the outer wall of the limiting head.
6. The filtration device of claim 5, wherein: the gear sleeve is meshed with one side of the gear sleeve and is provided with a driving wheel, the driving wheel is rotatably connected with the inner wall of the pressurizing seat, the inner wall of the circumference of the lower end of the driving wheel is in an annular structure and is hinged with a plurality of movable teeth, and the movable teeth are fixedly connected with the inner wall of the lower end of the driving wheel through springs.
7. The filtration device of claim 6, wherein: the driving mechanism further comprises a gear seat, the gear seat is rotatably connected with the inner wall of the pressurizing seat, and a tooth groove in the inner wall of the gear seat is movably meshed with the movable teeth;
the outer wall of one end of the annular seat in the pressurizing seat is fixedly connected with an annular rack B, and the annular rack B is in meshing transmission with the gear seat.
8. The filtration device of claim 1, wherein: the collecting hopper is fixedly connected with the annular seat, an inclined upper material plate is fixedly connected with an opening at one end of the collecting hopper, one side of the inclined upper material plate is in sliding contact with the inner wall of the centrifugal filter vat, a cover is arranged on the top surface of one side of the collecting hopper in a penetrating threaded connection mode, the lower end of the collecting hopper is connected with a filter screen, a dirt lifting net is arranged on the inner wall of the lower end of the collecting hopper in a sliding fit mode, and the dirt lifting net is fixedly connected with the inner wall of the lower end of the collecting hopper through a tension spring.
9. The filtration device of claim 8, wherein: the inner wall of the opening of the collecting hopper is rotatably connected with a poke rod, and the outer wall of one end of the poke rod penetrates through the inner wall of the collecting hopper to extend to the outside and is fixedly connected with a driving wheel;
the bottom surface of the pressurizing seat is fixedly connected with an annular rack C, and the annular rack C is in meshing transmission with the driving wheel.
10. A method of filtering a filter device according to any one of claims 1 to 9, wherein: the method comprises the following steps:
injecting the mixed liquid to be filtered into a centrifugal filter cylinder, wherein the centrifugal filter cylinder is driven by a motor to rotate;
the pressurizing seat moves downwards under the action of the transmission mechanism, and when the pressurizing seat moves downwards, the pressure intensity of a space enclosed by the pressurizing seat and the centrifugal filter cylinder is increased;
the pressurizing seat moves upwards under the action of the transmission mechanism, and when the pressurizing seat moves upwards, the annular seat rotates relative to the pressurizing seat under the action of the driving mechanism; at the moment, the inclined feeding plate fixedly connected with the annular seat moves upwards along with the pressurizing seat relative to the centrifugal filter cylinder on one hand, and rotates along with the annular seat relative to the centrifugal filter cylinder on the other hand, so that residues attached to the centrifugal filter cylinder are scraped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211488246.9A CN115715900A (en) | 2022-11-25 | 2022-11-25 | Filtering device and filtering method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211488246.9A CN115715900A (en) | 2022-11-25 | 2022-11-25 | Filtering device and filtering method |
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| Publication Number | Publication Date |
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| CN115715900A true CN115715900A (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211488246.9A Pending CN115715900A (en) | 2022-11-25 | 2022-11-25 | Filtering device and filtering method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116422048A (en) * | 2023-06-13 | 2023-07-14 | 广东致密纳米技术有限公司 | Separation equipment for plant powder preparation and use method thereof |
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2022
- 2022-11-25 CN CN202211488246.9A patent/CN115715900A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116422048A (en) * | 2023-06-13 | 2023-07-14 | 广东致密纳米技术有限公司 | Separation equipment for plant powder preparation and use method thereof |
| CN116422048B (en) * | 2023-06-13 | 2023-08-15 | 广东致密纳米技术有限公司 | Separation equipment for plant powder preparation and use method thereof |
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