CN114345040A - Sterilization type composite filter element - Google Patents
Sterilization type composite filter element Download PDFInfo
- Publication number
- CN114345040A CN114345040A CN202210085427.0A CN202210085427A CN114345040A CN 114345040 A CN114345040 A CN 114345040A CN 202210085427 A CN202210085427 A CN 202210085427A CN 114345040 A CN114345040 A CN 114345040A
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- cylindrical support
- filter element
- composite filter
- support
- annular
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a sterilization type composite filter element, which comprises a first cylindrical support, wherein the upper end and the lower end of the first cylindrical support are both provided with openings, the side wall of the first cylindrical support is provided with a first ventilation groove which penetrates through the inside and the outside, and the outer side of the first cylindrical support is sequentially provided with a primary annular filter element, a sterilization annular filter element and an active carbon annular filter element; the lower end of the first cylindrical support is provided with a sealing component for sealing the lower end of the first cylindrical support, and the upper end of the first cylindrical support is provided with a driving component for driving the sealing component to open or close. Under normal conditions, the seal assembly is in the closed condition, and the air flows into the inside back of filter core from the top, and is isolated with impurity such as the great dust of granule through elementary filter core, makes impurity such as dust stay in first cylindrical support, falls on the seal assembly at last. When dust needs to be cleaned, the sealing assembly is driven to be opened only through the driving assembly, and at the moment, the dust drops downwards from the first cylindrical support, so that the dust is discharged quickly.
Description
Technical Field
The invention relates to a sterilization type composite filter element.
Background
In the working process of a plurality of industrial production workshops, a large amount of dust and waste gas are generated, the dust and the waste gas are usually suspended in the air, the dust concentration in some places is very high, the production working environment is seriously influenced, great harm is brought to the body of production line workers, and even a plurality of diseases can be induced; moreover, the exchange of the air with dust and exhaust gas with the outside air pumping also causes pollution to the outside atmosphere and the surrounding environment.
Therefore, some filters can be placed in the existing workshop to adsorb and filter harmful substances such as dust in the air, and the existing filter element generally enters air from the upper end and exhausts air from the side face. Dust can remain in the filter element, but during prolonged use, if it accumulates in the filter element for a prolonged period of time, it can affect the efficiency of the passage of air, thereby reducing the filtration efficiency. The existing dust cleaning method is that after the dust cleaning device is used for a period of time, a filter element is pulled out, and then the dust is poured out. However, in this process, the dust will be raised, causing secondary pollution, and is not practical.
Therefore, a sterilization type composite filter element is urgently needed to solve the problem.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a sterilization type composite filter element.
The sterilization type composite filter element designed according to the purpose comprises a first cylindrical support with openings at the upper end and the lower end, wherein a first ventilation groove which penetrates through the inside and the outside is arranged on the side wall of the first cylindrical support, and a primary annular filter element, a sterilization annular filter element and/or an activated carbon annular filter element are sequentially arranged on the outer side of the first cylindrical support;
the lower end of the first cylindrical support is provided with a sealing component for sealing the lower end of the first cylindrical support, and the upper end of the first cylindrical support is provided with a driving component for driving the sealing component to open or close.
Preferably, the seal assembly comprises two seal plates which are arranged in a bilateral symmetry mode, the outer sides of the seal plates are hinged to the lower end face of the first cylindrical support through a rotating shaft, a torsion spring is sleeved on the rotating shaft, and one end of the torsion spring is fixedly connected with the first cylindrical support, and the other end of the torsion spring is fixedly connected with the seal plates.
Preferably, the driving assembly comprises a rotating ring movably arranged at the upper part of the first cylindrical support, two driving rods which are symmetrical to each other and extend downwards are arranged on the rotating ring, an arc-shaped plate which extends upwards is arranged on the upper end face of the closing plate, the height of the arc-shaped plate which extends upwards gradually increases from one end to the other end to form a gradually rising inclined plane, and the lower end faces of the two driving rods are positioned on the lower end faces of different arc-shaped plates.
Preferably, a locking groove is formed in the side wall of the highest end of the arc-shaped plates, a locking block inserted in the locking groove is arranged at the lower end of the driving rod, and when the driving rod is located above the lowest end of one of the arc-shaped plates, the locking block on the driving rod is inserted in the locking groove of the other arc-shaped plate.
Preferably, two positioning blocks for limiting the rotation range of the driving rod are arranged on the inner wall of the first cylindrical support along the axial center array of the first cylindrical support.
Preferably, the sterilization ring-shaped filter element comprises a first ring-shaped support detachably connected with the first cylindrical support, a second ventilation groove penetrating through the first ring-shaped support from inside to outside is formed in the side wall of the first ring-shaped support, a plurality of ultraviolet sterilization lamp tubes are arrayed in the first ring-shaped support along the circumference of the axis of the first ring-shaped support, conductive components are respectively arranged on the lower end faces of the first ring-shaped support, and the ultraviolet sterilization lamp tubes are electrically connected with the conductive components.
Preferably, the active carbon annular filter element comprises a second annular support detachably connected with the first cylindrical support, a third ventilation groove penetrating through the inside and the outside is formed in the side wall of the second annular support, and the active carbon filter element is mounted on the second annular support.
Preferably, the conductive assembly comprises a first conductive sheet and a second conductive sheet which are arranged on the lower end face of the first annular bracket, the first conductive sheet is connected with the anode of the ultraviolet disinfection lamp tube, and the second conductive sheet is connected with the cathode of the ultraviolet disinfection lamp tube.
The utility model provides a sterilization type composite filter, is including inside hollow casing, be equipped with the fan groove on the lateral wall of casing, install the fan in the fan groove the bottom is equipped with the baffle in the casing, the baffle will the casing separates to fall into filter chamber and dust and collects the storehouse, the fan groove sets up on the casing wall in the filter chamber outside be equipped with on the baffle make progress protruding and inside cavity with the ring type boss of storehouse intercommunication is collected to the dust, be equipped with the spliced eye on the casing up end of ring type boss top, still include sterilization type composite filter, sterilization type composite filter sets up in the spliced eye.
Preferably, a drawer groove is formed in the shell on one side of the dust collection bin, and a drawer is inserted in the drawer groove.
The invention has the advantages of simple and reasonable structure, convenience for cleaning dust, reduction of operation difficulty and avoidance of secondary pollution, and compared with the prior art, the dust cleaning device comprises a first cylindrical support with openings at the upper end and the lower end, the first cylindrical support is provided with a first ventilation groove which penetrates through the first cylindrical support from inside to outside, a primary annular filter element, a sterilization annular filter element and/or an activated carbon annular filter element are sequentially arranged on the outer side of the first cylindrical support, a sealing component for sealing the lower end of the first cylindrical support is arranged at the lower end of the first cylindrical support, and a driving component for driving the sealing component to open or close is arranged at the upper end of the first cylindrical support. That is, under normal conditions, the closing component is in the closed condition, and air can only flow out from the side after getting into from the top, and air after flowing into the filter core inside, keeps impurity such as the great dust of granule through elementary filter core isolated, makes impurity such as dust stay in first cylindric support, falls on closing component at last. When dust needs to be cleaned, the sealing assembly is driven to be opened only through the driving assembly, and at the moment, the dust drops downwards from the first cylindrical support, so that the dust is discharged quickly.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a second schematic cross-sectional view of the present invention;
FIG. 3 is a third schematic cross-sectional view of the present invention;
FIG. 4 is a schematic perspective view of the closure panel of the present invention;
FIG. 5 is a schematic perspective view of a filter according to the present invention;
FIG. 6 is a schematic sectional view of a filter according to the present invention;
fig. 7 is a schematic perspective view of a first cylindrical holder according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1 to 7, a sterilization type composite filter element comprises a first cylindrical support 10 with openings at both upper and lower ends, a first ventilation slot 101 penetrating through the first cylindrical support 10 from inside to outside is arranged on the side wall of the first cylindrical support 10, and a primary annular filter element 30, a sterilization annular filter element 40 and an active carbon annular filter element 50 are sequentially arranged on the outer side of the first cylindrical support 10;
a closing component 20 for closing the lower end of the first cylindrical support 10 is arranged at the lower end of the first cylindrical support 10, and a driving component 60 for driving the closing component 20 to open or close is arranged at the upper end of the first cylindrical support 10. That is, under normal conditions, the closing component is in the closed condition, and air can only flow out from the side after getting into from the top, and air after flowing into the filter core inside, keeps impurity such as the great dust of granule through elementary filter core isolated, makes impurity such as dust stay in first cylindric support, falls on closing component at last. When dust needs to be cleaned, the sealing assembly is driven to be opened only through the driving assembly, and at the moment, the dust drops downwards from the first cylindrical support, so that the dust is discharged quickly.
The seal assembly 20 includes two seal plates 210 that bilateral symmetry set up, the outside of seal plate 210 articulates through the pivot on the lower terminal surface of first cylindrical support 10 the cover is equipped with the torsional spring in the pivot, torsional spring one end with first cylindrical support 10 fixed connection, the other end with seal plate 210 fixed connection. That is, in a normal state, the closing plate 210 is always in a closed state by the force of the torsion spring, that is, the closing plate 210 closes the lower end of the first cylindrical bracket 10, so as to prevent air from flowing downward.
Referring to fig. 1 to 4, the driving assembly 60 includes a rotating ring 610 movably disposed at an upper portion of the first cylindrical support 10, two driving rods 620 symmetrically extending downward are disposed on the rotating ring 610, an arc plate 220 extending upward is disposed on an upper end surface of the closing plate 210, a height of the arc plate 220 extending upward gradually increases from one end to the other end to form a gradually rising slope, and lower end surfaces of the two driving rods 620 are located on lower end surfaces of different arc plates 220; the side wall of the highest end of the arc-shaped plates 220 is provided with a locking groove 221, the lower end of the driving rod 620 is provided with a locking block 621 inserted in the locking groove 221, and when the driving rod 620 is positioned above the lowest end of one of the arc-shaped plates 220, the locking block 621 on the driving rod 620 is inserted in the locking groove 221 of the other arc-shaped plate 220.
In the closed state, the closing plate 210 is normally in the closed state all the time by the force of the torsion spring, and meanwhile, in this state, the driving rod 620 is located at the lowest end of the arc-shaped plate, and meanwhile, the locking block 621 on the driving rod 620 is inserted into the locking groove 221 of the other arc-shaped plate 220, and the locking block 621 has the function of preventing the arc-shaped plate 220 from being turned over downwards and opened.
In an open state, the driving rod 620 is driven by the rotating ring 610 to move along the upper end surface of the arc-shaped plate 220 with the lowest end of the arc-shaped plate 220 as a starting point, because the arc-shaped plate 220 is an inclined surface extending upward and gradually increasing in height from one end to the other end, but the driving rod 620 cannot move upward, when the driving rod 620 moves gradually from the lowest point to the highest point, the locking block 621 can be firstly separated from the locking groove 221, then the driving rod 620 continues to move, in the moving process, the driving rod 620 can press the closing plate downward to enable the closing plate to be turned over and opened along the hinged axis, namely, impurities such as dust in the closing plate fall downward to clean the dust, after the cleaning is finished, the rotating ring 610 is rotated reversely, in the rotating process, the driving rod 620 moves from the highest point to the lowest point, the closing plate is reset through the acting force of the torsion spring 621, and finally the locking block is inserted into the locking groove 221, and locking is formed on the closing plate.
Referring to fig. 1, in the present invention, two positioning blocks 100 for limiting the rotation range of the driving rod 620 are arranged on the inner wall of the first cylindrical support 10 along the axial center array thereof. The positioning block 100 functions to limit the rotation range of the driving lever 620. That is, when the closing plate needs to be opened, the rotating ring 610 is twisted, so that the rotating end of the rotating ring 610 abuts against the positioning block 100.
Referring to fig. 1 to 3, in the present invention, the sterilization ring filter 40 includes a first ring support 410 detachably connected to the first cylindrical support 10, a second ventilation slot penetrating inside and outside is formed on a side wall of the first ring support 410, a plurality of ultraviolet disinfection lamps 430 are circumferentially arrayed along an axis of the first ring support 410, conductive members 420 are respectively disposed on lower end surfaces of the first ring support 410, and the ultraviolet disinfection lamps 430 are electrically connected to the conductive members 420. That is, after the external air enters from the upper end of the first ring-shaped bracket 410, the primary filter element isolates impurities such as dust with larger particles, and the air can kill microorganisms in the air by the irradiation of ultraviolet light when passing through the ultraviolet disinfection lamp tube 430, thereby achieving the effect of sterilization.
In the present invention, the activated carbon annular filter element 50 includes a second annular support 510 detachably connected to the first cylindrical support 10, a third ventilation slot penetrating inside and outside is provided on a side wall of the second annular support 510, and the activated carbon filter element is mounted on the second annular support 510. Fine particles in the air can be adsorbed through the activated carbon filter element, and the filtering effect is further enhanced.
In the present invention, the conductive assembly 420 includes a first conductive sheet and a second conductive sheet disposed on the lower end surface of the first annular bracket 410, the first conductive sheet is connected to the positive electrode of the ultraviolet disinfection lamp 430, and the second conductive sheet is connected to the negative electrode of the ultraviolet disinfection lamp 430. That is, the ultraviolet disinfection lamp 430 in the invention is powered on through the conducting strip, and even in the later maintenance and replacement process, the steps of powering on or removing the electric property and the like with the filter are not needed, so that the convenience is greatly improved.
The utility model provides a sterilization type composite filter, is including inside hollow casing 70, be equipped with fan groove 710 on casing 70's the lateral wall, install the fan in fan groove 710 the bottom is equipped with baffle 730 in casing 70, baffle 730 will casing 70 separates to fall into filter chamber 740 and dust and collects storehouse 750, fan groove 710 sets up on the casing 70 wall in the filter chamber 740 outside be equipped with on the baffle 730 upwards protruding and inside cavity with the annular boss 720 of storehouse 750 intercommunication is collected to the dust, be equipped with the spliced eye on the casing 70 up end of annular boss 720 top, still include the sterilization type composite filter element in any one of claims 1 to 8, sterilization type composite filter element sets up in the spliced eye, be equipped with the drawer groove on the casing 70 of storehouse 750 one side is collected to the dust, the interpolation of drawer groove has drawer 80.
That is, through installing the air exhauster in the fan groove, the air enters into the filter core from the casing upper end, discharges from the fan groove through the filter core in, realizes the rapid filtration. After long-term use, the closing plate below the filter element is opened by twisting the rotating ring above the filter element, dust in the filter element can fall into the drawer 80 to be collected, dust accumulation in the filter element can be reduced, and therefore air efficiency and quality are greatly improved.
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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of description and simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" 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.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a sterilization type composite filter element which characterized in that: the sterilization filter comprises a first cylindrical support (10) with openings at the upper end and the lower end, wherein a first ventilation groove (101) which penetrates through the inside and the outside is formed in the side wall of the first cylindrical support (10), and a primary annular filter element (30), a sterilization annular filter element (40) and an active carbon annular filter element (50) are sequentially arranged on the outer side of the first cylindrical support (10);
the lower end of the first cylindrical support (10) is provided with a sealing component (20) used for sealing the lower end of the first cylindrical support (10), and the upper end of the first cylindrical support (10) is provided with a driving component (60) used for driving the sealing component (20) to open or close.
2. A sterile composite filter element according to claim 1, wherein: the seal assembly (20) comprises two seal plates (210) which are arranged in a bilateral symmetry mode, the outer sides of the seal plates (210) are hinged to the lower end face of the first cylindrical support (10) through a rotating shaft, a torsion spring is sleeved on the rotating shaft, one end of the torsion spring is fixedly connected with the first cylindrical support (10), and the other end of the torsion spring is fixedly connected with the seal plates (210).
3. A sterile composite filter element according to claim 2, wherein: the driving assembly (60) comprises a rotating ring (610) movably arranged at the upper part of the first cylindrical support (10), two driving rods (620) which are symmetrical to each other and extend downwards are arranged on the rotating ring (610), an arc-shaped plate (220) which extends upwards is arranged on the upper end face of the closing plate (210), the height of the arc-shaped plate (220) which extends upwards is gradually increased upwards from one end to the other end to form a gradually rising inclined face, and the lower end faces of the two driving rods (620) are positioned on the lower end faces of different arc-shaped plates (220).
4. A sterile composite filter element according to claim 3, wherein: the side wall of the highest end of the arc-shaped plates (220) is provided with a locking groove (221), the lower end of the driving rod (620) is provided with a locking block (621) inserted in the locking groove (221), and when the driving rod (620) is positioned above the lowest end of one of the arc-shaped plates (220), the locking block (621) on the driving rod (620) is inserted in the locking groove (221) of the other arc-shaped plate (220).
5. A sterile composite filter element according to claim 3 or 4, wherein: two positioning blocks (100) used for limiting the rotation range of the driving rod (620) are arranged on the inner wall of the first cylindrical support (10) along the axis array of the first cylindrical support.
6. A sterile composite filter element according to any one of claims 1 to 4 wherein: sterilization ring type filter core (40) include with first cylindrical support (10) can dismantle first ring type support (410) of connection, be equipped with the inside and outside second ventilation groove that runs through on the lateral wall of first ring type support (410), there are many ultraviolet ray disinfection fluorescent tubes (430) along its axle center circumference array in first ring type support (410) be equipped with conductive component (420) on the lower terminal surface of first ring type support (410) respectively, ultraviolet ray disinfection fluorescent tube (430) with conductive component (420) electric connection.
7. A sterile composite filter element according to any one of claims 1 to 4 wherein: the annular activated carbon filter element (50) comprises a second annular support (510) detachably connected with the first cylindrical support (10), a third ventilation groove penetrating through the inside and the outside is formed in the side wall of the second annular support (510), and the activated carbon filter element is installed on the second annular support (510).
8. A sterile composite filter element according to claim 6, wherein: the conductive assembly (420) comprises a first conductive sheet and a second conductive sheet which are arranged on the lower end face of the first annular bracket (410), the first conductive sheet is connected with the anode of the ultraviolet disinfection lamp tube (430), and the second conductive sheet is connected with the cathode of the ultraviolet disinfection lamp tube (430).
9. A sterilization type composite filter is characterized in that: including inside hollow casing (70), be equipped with fan groove (710) on the lateral wall of casing (70), install the fan in fan groove (710) the bottom is equipped with baffle (730) in casing (70), baffle (730) will casing (70) separate and divide into filter chamber (740) and dust collection bin (750), fan groove (710) set up on casing (70) wall in the filter chamber (740) outside be equipped with on baffle (730) upwards protruding and inside cavity with annular boss (720) of storehouse (750) intercommunication are collected to the dust, be equipped with the spliced eye on casing (70) up end above annular boss (720), still include the sterilization type composite filter core in any one of claims 1 to 8, the sterilization type composite filter core sets up in the spliced eye.
10. A sterile composite filter according to claim 9, wherein: a drawer groove is formed in the shell (70) on one side of the dust collection bin (750), and a drawer (80) is inserted in the drawer groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210085427.0A CN114345040B (en) | 2022-01-25 | 2022-01-25 | Sterilization type composite filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210085427.0A CN114345040B (en) | 2022-01-25 | 2022-01-25 | Sterilization type composite filter element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114345040A true CN114345040A (en) | 2022-04-15 |
| CN114345040B CN114345040B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210085427.0A Active CN114345040B (en) | 2022-01-25 | 2022-01-25 | Sterilization type composite filter element |
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| Country | Link |
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| CN (1) | CN114345040B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116772351A (en) * | 2023-08-14 | 2023-09-19 | 中科纳清（江苏）科技有限公司 | Triboelectric nano sheet filter element |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4237027A1 (en) * | 1992-11-03 | 1994-05-05 | Boll & Kirch Filter | Candle pressure filter |
| CN109382311A (en) * | 2018-09-05 | 2019-02-26 | 安徽粮友机械科技有限公司 | A kind of environment-friendly type grain vibrating cleaning sieve |
| CN112344509A (en) * | 2020-10-29 | 2021-02-09 | 兀结石 | Rotary combined closed air purifier |
| CN213589940U (en) * | 2020-09-07 | 2021-07-02 | 瑞万(广东)科技有限公司 | Dust filter |
| CN215427792U (en) * | 2021-03-05 | 2022-01-07 | 青岛君邦新能源有限公司 | Automatic ventilating smoke-discharging dust-removing device |
-
2022
- 2022-01-25 CN CN202210085427.0A patent/CN114345040B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4237027A1 (en) * | 1992-11-03 | 1994-05-05 | Boll & Kirch Filter | Candle pressure filter |
| CN109382311A (en) * | 2018-09-05 | 2019-02-26 | 安徽粮友机械科技有限公司 | A kind of environment-friendly type grain vibrating cleaning sieve |
| CN213589940U (en) * | 2020-09-07 | 2021-07-02 | 瑞万(广东)科技有限公司 | Dust filter |
| CN112344509A (en) * | 2020-10-29 | 2021-02-09 | 兀结石 | Rotary combined closed air purifier |
| CN215427792U (en) * | 2021-03-05 | 2022-01-07 | 青岛君邦新能源有限公司 | Automatic ventilating smoke-discharging dust-removing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116772351A (en) * | 2023-08-14 | 2023-09-19 | 中科纳清（江苏）科技有限公司 | Triboelectric nano sheet filter element |
| CN116772351B (en) * | 2023-08-14 | 2023-12-12 | 中科纳清（江苏）科技有限公司 | Triboelectric nano sheet filter element |
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| Publication number | Publication date |
|---|---|
| CN114345040B (en) | 2023-03-21 |
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