CN218755078U - Filtering device - Google Patents
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- CN218755078U CN218755078U CN202223110989.0U CN202223110989U CN218755078U CN 218755078 U CN218755078 U CN 218755078U CN 202223110989 U CN202223110989 U CN 202223110989U CN 218755078 U CN218755078 U CN 218755078U
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Abstract
The utility model discloses a filtering device. The filtering device comprises a cylinder body, a filtering unit and a water inlet assembly; the cylinder body comprises a sewage bin, a filtering bin and a purified water bin, the sewage bin comprises a first sewage bin and a second sewage bin, the purified water bin comprises a first purified water bin and a second purified water bin, and the filtering bin comprises a first filtering bin and a second filtering bin; the filtering unit comprises a first filtering unit and a second filtering unit; the subassembly of intaking includes first shunt tubes, second shunt tubes, sewage inlet tube and pivot, and the one end and the sewage inlet tube of pivot are connected, and the other end simultaneously with first shunt tubes and second shunt tubes connection, the pivot can rotate around the axis of sewage inlet tube, and the delivery port of first shunt tubes is located first sewage storehouse, and the delivery port of second shunt tubes is located the second sewage storehouse. The utility model discloses a pivot is rotated, makes first filter unit and second filter unit take turns and filters and back flush work, keeps farming systems to last normal production rhythm, promotes to breed into production efficiency.
Description
Technical Field
The utility model relates to a filter technical field especially relates to a filter equipment.
Background
At present, in a recirculating aquaculture system, sewage generated in the aquaculture system needs to be continuously filtered and purified into purified water, and then the purified water is put into the aquaculture system, so that the purpose of water recycling is achieved. At present, the sewage is purified into purified water by generally utilizing a filtering device, impurities generated by filtering can be deposited in the filtering device after the filtering device works for a period of time, and the filtering and purifying effect can be influenced when the impurities are accumulated too much. The existing solutions generally stop the operation of the filtering device when the impurities accumulate to an upper limit, then backwash the impurities inside, and then restart the operation. However, the stop of the filtering device can greatly affect the production rhythm of the culture system, and the culture production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
Based on the problem that exists among the above-mentioned prior art with not enough, the utility model aims at providing a filter equipment can carry out back flush and filtration purification work simultaneously, keeps the normal production rhythm of farming systems, promotes and breeds production efficiency.
In order to achieve the above object, the present invention provides a filtering apparatus, including:
the device comprises a cylinder body, a filter chamber and a clean water chamber, wherein the filter chamber is positioned between the clean water chamber and the sewage chamber, the sewage chamber comprises a first sewage chamber and a second sewage chamber, the clean water chamber comprises a first clean water chamber and a second clean water chamber, and the filter chamber comprises a first filter chamber and a second filter chamber;
the filtering unit comprises a first filtering unit and a second filtering unit, the first filtering unit is positioned in the first filtering bin, and the second filtering unit is positioned in the second filtering bin;
the water inlet assembly comprises a first shunt pipe, a second shunt pipe, a sewage inlet pipe and a rotating shaft, one end of the rotating shaft is connected with the sewage inlet pipe, the other end of the rotating shaft is simultaneously connected with the first shunt pipe and the second shunt pipe, the rotating shaft can rotate around the axis of the sewage inlet pipe, the water outlet of the first shunt pipe is positioned in the first sewage bin, and the water outlet of the second shunt pipe is positioned in the second sewage bin;
when the water level in the first sewage bin is higher than the set water level, the rotating shaft rotates, so that the sewage in the sewage inlet pipe flows into the second sewage bin from the water outlet of the second shunt pipe;
when the water level in the second sewage bin is higher than the set water level, the rotating shaft rotates, so that the sewage in the sewage inlet pipe flows into the first sewage bin from the water outlet of the first shunt pipe.
Optionally, the rotating shaft is of a T-shaped structure, and the rotating shaft is perpendicular to the first shunt pipe and the second shunt pipe.
Optionally, the water inlet assembly further comprises a first floating body and a second floating body, the first floating body is connected with the first shunt pipe, the second floating body is connected with the second shunt pipe, the first floating body is located in the first sewage bin, and the second floating body is located in the second sewage bin.
Optionally, the first floating body is connected to the water outlet of the first shunt pipe, and the second floating body is connected to the water outlet of the second shunt pipe.
Optionally, the filter apparatus further comprises a backwash assembly comprising:
backwashing the water inlet pipe;
the first back washing spray pipe is connected with the back washing water inlet pipe, and at least one part of the first back washing spray pipe is positioned in the first filtering unit;
the second back washing spray pipe is connected with the back washing water inlet pipe, and at least one part of the second back washing spray pipe is positioned in the second filtering unit;
the first back washing valve is arranged on a connecting pipeline between the first back washing spray pipe and the water inlet pipe;
and the second back washing valve is arranged on a connecting pipeline between the second back washing spray pipe and the water inlet pipe.
Optionally, the backwash assembly further comprises a backwash pump disposed on the backwash water inlet pipe.
Optionally, the filtering device further comprises a first drain pipe, a second drain pipe, a first drain valve and a second drain valve, the first drain pipe is connected with the first filtering bin, the first drain valve is arranged on the first drain pipe, the second drain pipe is connected with the second filtering bin, and the second drain valve is arranged on the second drain pipe.
Optionally, the filtering apparatus further comprises a control unit, and the control unit is in communication connection with the water inlet assembly, the backwashing pump, the first backwashing valve, the second backwashing valve, the first blowdown valve and the second blowdown valve, respectively.
Optionally, the filter device further comprises a first purified water outlet pipe and a second purified water outlet pipe, the first purified water outlet pipe is connected with the first purified water tank, and the second purified water outlet pipe is connected with the second purified water tank.
Optionally, the filter unit comprises a plurality of filter bags having a plurality of filter holes formed therein.
Compared with the prior art, the beneficial effects of the utility model include:
if the impurities accumulated on the first filtering unit are excessive, the filtering effect of the first filtering unit is reduced, the sewage purification speed is too low, the sewage level in the first sewage bin rises, and when the sewage level is higher than the set water level, the rotating shaft rotates, so that the sewage in the sewage inlet pipe flows into the second sewage bin from the water outlet of the second shunt pipe; then, the sewage enters a second filtering bin, a second filtering unit carries out filtering treatment on the sewage to obtain purified water, and the purified water enters a second purified water bin; meanwhile, the first filtering unit stops working, then the first filtering unit can be subjected to back washing operation, impurities attached to the first filtering unit are removed, and the first filtering unit recovers to normal filtering performance.
Similarly, if the impurities accumulated on the second filtering unit are too much, the filtering effect of the second filtering unit is reduced, the sewage purification rate is too low, the sewage level in the second sewage bin is increased, and when the sewage level is higher than the set water level, the rotating shaft rotates, so that the sewage in the sewage inlet pipe flows into the first sewage bin from the water outlet of the first shunt pipe; then, the sewage enters a first filtering bin, a first filtering unit carries out filtering treatment on the sewage to obtain purified water, and the purified water enters a first purified water bin; meanwhile, the second filtering unit stops working, then the second filtering unit can be subjected to back washing operation, impurities attached to the second filtering unit are removed, and the second filtering unit recovers to normal filtering performance.
Therefore, the first filtering unit and the second filtering unit can perform filtering and back flushing in turn, the continuous normal production rhythm of the culture system is kept, and the culture production efficiency is improved.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a top view of a filter assembly according to an embodiment of the present invention;
FIG. 2 is a side view of a filter assembly according to an embodiment of the present invention;
fig. 3 is a connection diagram of a control unit according to an embodiment of the present invention.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in itself dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.
The embodiment of the utility model provides a filter equipment, as shown in fig. 1 and fig. 2, including cylinder body 1, filter unit 2 and subassembly 3 that intakes, wherein:
the cylinder body 1 comprises a sewage bin 11, a filtering bin 12 and a purified water bin 13, wherein the filtering bin 12 is positioned between the purified water bin 13 and the sewage bin 11, the sewage bin 11 comprises a first sewage bin 111 and a second sewage bin 112, the purified water bin 13 comprises a first purified water bin 131 and a second purified water bin 132, and the filtering bin 12 comprises a first filtering bin 121 and a second filtering bin 122;
the filtering unit 2 comprises a first filtering unit 21 and a second filtering unit 22, the first filtering unit 21 is positioned in the first filtering bin 121, and the second filtering unit 22 is positioned in the second filtering bin 122;
the water inlet assembly 3 comprises a first shunt pipe 31, a second shunt pipe 32, a sewage inlet pipe 33 and a rotating shaft 34, one end of the rotating shaft 34 is connected with the sewage inlet pipe 33, the other end of the rotating shaft is simultaneously connected with the first shunt pipe 31 and the second shunt pipe 32, the rotating shaft 34 can rotate around the axis of the sewage inlet pipe 33, the water outlet of the first shunt pipe 31 is positioned in the first sewage bin 111, and the water outlet of the second shunt pipe 32 is positioned in the second sewage bin 112;
when the water level in the first sewage storage 111 is higher than the set water level, the rotating shaft 34 rotates, so that the sewage in the sewage inlet pipe 33 flows into the second sewage storage 112 from the outlet of the second shunt pipe 32;
when the water level in the second sewage reservoir 112 is higher than the set water level, the rotating shaft 34 rotates to make the sewage in the sewage inlet pipe 33 flow into the first sewage reservoir 111 from the outlet of the first shunt pipe 31.
Specifically, with the filtering apparatus of this embodiment, if too much impurities are accumulated on the first filtering unit 21, the filtering effect of the first filtering unit 21 is reduced, the sewage purification rate is too low, and the sewage level in the first sewage storage 111 rises, and when the sewage level is higher than the set water level, the rotating shaft 34 rotates, so that the sewage in the sewage inlet pipe 33 flows into the second sewage storage 112 from the outlet of the second shunt pipe 32; then, the sewage enters the second filtering bin 122, the second filtering unit 22 filters the sewage to obtain purified water, and the purified water enters the second purified water bin 132; meanwhile, the first filtering unit 21 stops working, and then the first filtering unit 21 may be backwashed to remove impurities attached to the first filtering unit 21, so that the first filtering unit 21 returns to normal filtering performance.
Similarly, if the impurities accumulated on the second filtering unit 22 are too much, the filtering effect of the second filtering unit 22 is reduced, the sewage purification rate is too low, so that the sewage level in the second sewage bin 112 rises, and when the sewage level is higher than the set water level, the rotating shaft 34 rotates, so that the sewage in the sewage inlet pipe 33 flows into the first sewage bin 111 from the water outlet of the first shunt pipe 31; then, the sewage enters the first filtering bin 121, the first filtering unit 21 filters the sewage to obtain purified water, and the purified water enters the first purified water bin 131; meanwhile, the second filtering unit 22 stops working, and then the second filtering unit 22 may be backwashed to remove impurities attached to the second filtering unit 22, so that the second filtering unit 22 recovers to normal filtering performance.
Therefore, the first filtering unit 21 and the second filtering unit 22 can perform filtering and back flushing in turn, so that the continuous normal production rhythm of the culture system is kept, and the culture production efficiency is improved.
In one embodiment of the present embodiment, the filter unit 2 includes a plurality of filter bags having a plurality of filter holes formed therein. The filter bag can perform a good filtering effect on impurities in the sewage, and can also conveniently perform backwashing to remove attached impurities.
In one embodiment of this embodiment, the first filter cartridge 121 is located between the first clean water cartridge 131 and the first sewage cartridge 111, and the second filter cartridge 122 is located between the second clean water cartridge 132 and the second sewage cartridge 112.
In one embodiment of this embodiment, the rotating shaft 34 is a "T" shaped structure, and the rotating shaft 34 is perpendicular to the first shunt pipe 31 and the second shunt pipe 32. Thus, the sewage can be well rotated by the first shunt pipe 31 and the second shunt pipe 32 during the diversion conversion.
In one embodiment of this embodiment, the water intake assembly 3 further comprises a first floating body 35 and a second floating body 36, the first floating body 35 is connected to the first shunt pipe 31, the second floating body 36 is connected to the second shunt pipe 32, the first floating body 35 is located in the first sewage tank 111, and the second floating body 36 is located in the second sewage tank 112. The first floating body 35 and the second floating body 36 may be floating balls.
Specifically, when the first filter unit 21 is in the filter operation state, the first branch pipe 31 is inclined downward, the second branch pipe 32 is inclined upward, and the sewage in the sewage inlet pipe 33 is branched into the first branch pipe 31 by gravity and flows into the first sewage tank 111. When the first excessive unit impurities are excessive, the water level in the first sewage bin 111 rises, the first floating body 35 generates upward acting force on the first shunt pipe 31, when the water level reaches a set water level, the first shunt pipe 31 and the second shunt pipe 32 are on the same horizontal line, then the first shunt pipe 31 instantaneously tilts upwards, the second shunt pipe 32 instantaneously tilts downwards, and sewage in the sewage inlet pipe 33 is shunted to the second shunt pipe 32 under the action of gravity and flows into the second sewage bin 112. Thus, the second filter unit 22 starts the filtering operation, and the first filter unit 21 can perform the backwashing operation.
Similarly, when the second filtering unit 22 is in the filtering operation state, the second shunt pipe 32 is inclined downward, the first shunt pipe 31 is inclined upward, and the sewage in the sewage inlet pipe 33 is shunted to the second shunt pipe 32 by gravity and flows into the second sewage reservoir 112. When the second excessive unit impurities are excessive, the water level in the second sewage bin 112 rises, the second floating body 36 generates an upward acting force on the second shunt pipe 32, when the water level reaches a set water level, the second shunt pipe 32 and the first shunt pipe 31 are on the same horizontal line, then the second shunt pipe 32 is instantly inclined upwards, the first shunt pipe 31 is instantly inclined downwards, and the sewage in the sewage inlet pipe 33 is shunted to the first shunt pipe 31 under the action of gravity and flows into the first sewage bin 111. Thus, the first filter unit 21 starts the filtering operation, and the second filter unit 22 can perform the backwashing operation.
Further, a first floating body 35 is connected to the water outlet of the first shunt pipe 31, and a second floating body 36 is connected to the water outlet of the second shunt pipe 32. Therefore, the first floating body 35 can generate larger moment for the first shunt pipe 31, and the second floating body 36 can generate larger moment for the second shunt pipe 32, so that sewage shunting conversion between the first shunt pipe 31 and the second shunt pipe 32 is facilitated.
In an implementation manner of this embodiment, the filtering apparatus further includes a back washing assembly 4, the back washing assembly 4 includes a back washing water inlet pipe 41, a first back washing spray pipe 42, a second back washing spray pipe 43, a first back washing valve 44, and a second back washing valve 45, where:
the first backwashing nozzle 42 is connected with the backwashing water inlet pipe 41, and at least a part of the first backwashing nozzle is positioned in the first filtering unit 21;
the second backwashing jet pipe 43 is connected with the backwashing water inlet pipe 41, and at least a part of the second backwashing jet pipe is positioned in the second filtering unit 22;
the first backwashing valve 44 is arranged on a connecting pipeline of the first backwashing spray pipe 42 and the water inlet pipe;
the second backwashing valve 45 is arranged on a connecting pipeline of the second backwashing spray pipe 43 and the water inlet pipe.
Specifically, when the first filter unit 21 needs to be backwashed, the first backwash valve 44 is opened, the water in the backwash water inlet pipe 41 enters the first backwash spray pipe 42, and the water is sprayed onto the first filter unit 21, so that the impurities attached to the first filter unit 21 are washed away.
When the second filtering unit 22 needs to be backwashed, the second backwashing valve 45 is opened, water in the backwashing water inlet pipe 41 enters the second backwashing spray pipe 43, and the water is sprayed onto the second filtering unit 22, so that impurities attached to the second filtering unit 22 are washed away.
In one embodiment of this embodiment, the backwashing assembly 4 further comprises a backwashing pump 46, and the backwashing pump 46 is arranged on the backwashing water inlet pipe 41. The water flow in the first backwash nozzle 42 or the second backwash nozzle 43 is injected at a high speed to the first filter unit 21 or the second filter unit by the action of the backwash pump 46, thereby enhancing the backwash effect.
In an implementation manner of this embodiment, the filtering apparatus further includes a first blowdown pipe 51, a second blowdown pipe 52, a first blowdown valve 61 and a second blowdown valve 62, the first blowdown pipe 51 is connected with the first filtering bin 121, the first blowdown valve 61 is disposed on the first blowdown pipe 51, the second blowdown pipe 52 is connected with the second filtering bin 122, and the second blowdown valve 62 is disposed on the second blowdown pipe 52.
After the first filtering unit 21 performs the backwashing operation, the first drain valve 61 is opened, and the impurities in the first filtering silo 121 are discharged to the outside of the cylinder 1 through the first drain pipe 51. After the second filtering unit 22 performs the backwashing operation, the second soil discharge valve 62 is opened, and the impurities in the second filtering silo 122 are discharged to the outside of the cylinder 1 through the second soil discharge pipe 52.
In one embodiment of this embodiment, as shown in fig. 3, the filtering apparatus further includes a control unit 7, and the control unit 7 is in communication connection with the water inlet assembly 3, the backwash pump 46, the first backwash valve 44, the second backwash valve 45, the first blowdown valve 61 and the second blowdown valve 62, respectively.
Specifically, gravity sensors may be disposed on the first shunt tube 31 and the second shunt tube 32, and when the gravity sensors detect that the first shunt tube 31 or the second shunt tube 32 suddenly inclines upwards or downwards, a detection signal is sent to the control unit 7; the control unit 7 controls the back washing pump 46 to start working and correspondingly adjusts the on-off states of the first back washing valve 44 and the second back washing valve 45, and after the first filtering unit 21 or the second filtering unit 22 performs back washing, the control unit 7 controls the back washing pump 46 to be closed and correspondingly adjusts the on-off states of the first blow-off valve 61 and the second blow-off valve 62.
In an implementation manner of this embodiment, the filtering apparatus further includes a first purified water outlet pipe 81 and a second purified water outlet pipe 82, the first purified water outlet pipe 81 is connected to the first purified water tank 131, and the second purified water outlet pipe 82 is connected to the second purified water tank 132. Therefore, purified water can be continuously obtained from the first purified water outlet pipe 81 or the second purified water outlet pipe 82, and enough aquaculture production water can be kept.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A filter device, comprising:
the cylinder body comprises a sewage bin, a filtering bin and a purified water bin, wherein the filtering bin is positioned between the purified water bin and the sewage bin, the sewage bin comprises a first sewage bin and a second sewage bin, the purified water bin comprises a first purified water bin and a second purified water bin, and the filtering bin comprises a first filtering bin and a second filtering bin;
the filtering unit comprises a first filtering unit and a second filtering unit, the first filtering unit is positioned in the first filtering bin, and the second filtering unit is positioned in the second filtering bin;
the water inlet assembly comprises a first shunt pipe, a second shunt pipe, a sewage inlet pipe and a rotating shaft, one end of the rotating shaft is connected with the sewage inlet pipe, the other end of the rotating shaft is connected with the first shunt pipe and the second shunt pipe simultaneously, the rotating shaft can rotate around the axis of the sewage inlet pipe, the water outlet of the first shunt pipe is located in the first sewage bin, and the water outlet of the second shunt pipe is located in the second sewage bin;
when the water level in the first sewage bin is higher than the set water level, the rotating shaft rotates, so that the sewage in the sewage inlet pipe flows into the second sewage bin from the water outlet of the second shunt pipe;
when the water level in the second sewage bin is higher than the set water level, the rotating shaft rotates, so that the sewage in the sewage inlet pipe flows into the first sewage bin from the water outlet of the first shunt pipe.
2. The filtration device of claim 1, wherein the rotational axis is a "T" shaped structure, and the rotational axis is perpendicular to the first shunt tube and the second shunt tube.
3. The filtration device of claim 1, wherein the water intake assembly further comprises a first floating body and a second floating body, the first floating body is connected to the first shunt tube, the second floating body is connected to the second shunt tube, the first floating body is located in the first sewage reservoir, and the second floating body is located in the second sewage reservoir.
4. The filtering device as claimed in claim 3, wherein the first floating body is connected to the water outlet of the first shunt tube, and the second floating body is connected to the water outlet of the second shunt tube.
5. The filtration apparatus of any one of claims 1 to 4, further comprising a backwash assembly, the backwash assembly comprising:
backwashing the water inlet pipe;
the first backwashing spray pipe is connected with the backwashing water inlet pipe, and at least one part of the first backwashing spray pipe is positioned in the first filtering unit;
the second backwashing spray pipe is connected with the backwashing water inlet pipe, and at least one part of the second backwashing spray pipe is positioned in the second filtering unit;
the first backwashing valve is arranged on a connecting pipeline of the first backwashing spray pipe and the water inlet pipe;
and the second backwashing valve is arranged on a connecting pipeline of the second backwashing spray pipe and the water inlet pipe.
6. The filtration device of claim 5, wherein the backwash assembly further comprises a backwash pump disposed on the backwash inlet pipe.
7. The filtering device as claimed in claim 6, further comprising a first drain pipe, a second drain pipe, a first drain valve and a second drain valve, wherein the first drain pipe is connected with the first filtering bin, the first drain valve is arranged on the first drain pipe, the second drain pipe is connected with the second filtering bin, and the second drain valve is arranged on the second drain pipe.
8. The filtration device of claim 7, further comprising a control unit in communication with the water intake assembly, the backwash pump, the first backwash valve, the second backwash valve, the first blowdown valve, and the second blowdown valve, respectively.
9. The filtration device of claim 1, further comprising a first purified water outlet pipe and a second purified water outlet pipe, wherein the first purified water outlet pipe is connected to the first purified water tank, and the second purified water outlet pipe is connected to the second purified water tank.
10. The filtering apparatus as claimed in claim 1, wherein the filtering unit includes a plurality of filter bags having a plurality of filtering holes formed thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223110989.0U CN218755078U (en) | 2022-11-21 | 2022-11-21 | Filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223110989.0U CN218755078U (en) | 2022-11-21 | 2022-11-21 | Filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218755078U true CN218755078U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223110989.0U Active CN218755078U (en) | 2022-11-21 | 2022-11-21 | Filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218755078U (en) |
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- 2022-11-21 CN CN202223110989.0U patent/CN218755078U/en active Active
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