CN114294756A - Filter device of air conditioner - Google Patents
Filter device of air conditioner Download PDFInfo
- Publication number
- CN114294756A CN114294756A CN202111448133.1A CN202111448133A CN114294756A CN 114294756 A CN114294756 A CN 114294756A CN 202111448133 A CN202111448133 A CN 202111448133A CN 114294756 A CN114294756 A CN 114294756A
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- Prior art keywords
- filter
- layer
- frame
- air conditioner
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001914 filtration Methods 0.000 claims abstract description 26
- 210000003205 muscle Anatomy 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003292 glue Substances 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 95
- 238000001179 sorption measurement Methods 0.000 claims description 21
- 239000012790 adhesive layer Substances 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a filter device of an air conditioner, and relates to the technical field of air conditioner filtration. Including preceding filter frame, back filter frame, block groove, block piece, horizontal muscle, vertical muscle, glue the adhesion coating, filter layer, adsorbed layer, second filter layer, second adsorbed layer, inserted block, filling layer and joint piece. Through the matching that sets up block groove and block piece, the condition that filter frame and postfilter frame can drop on installing the air conditioner takes place before avoiding, and the block of block groove and block piece is connected the dismantlement and the installation of filter frame and postfilter frame before convenient, be convenient for to the washing of aspect such as inside filter layer and adsorbed layer, and the mesh diameter of second filter layer is less, can help the device to block dust or impurity that the filter layer fails to block, extension fixture's life, and the activated carbon granule that adsorbed layer and second adsorbed layer surface were provided with can adsorbed impurity, effectively purify impurity, increase the filter effect of filter, make whole device can high efficiency filter.
Description
Technical Field
The invention relates to the technical field of air conditioner filtration, in particular to a filter device of an air conditioner.
Background
The air conditioner filter is mainly used for a special air conditioner of a machine room, the pre-filtering of a ventilation system, the return air filtering of a clean room of a purified air conditioner, the pre-filtering of high-efficiency filtering and the pre-filtering of an air compressor are performed, in the field of air conditioners, in order to avoid blocking a throttling part in the air conditioner system or avoiding impurities from entering the compressor, the filter is additionally arranged in a unit of the air conditioner, and the filter plays a role in filtering impurities in a refrigerant in the air conditioner system.
However, in the existing air conditioner filter, dust or impurities inside the air conditioner are difficult to clean, and meanwhile, impurities are slowly generated in the long-term operation of the air conditioning system, so that the impurities are often accumulated on a filter net of the filter, when a certain amount of impurities are accumulated, the air conditioning system is greatly influenced, even the air conditioning system fails, and a general air conditioner filter device is excessively complicated to maintain and has a weak filtering and purifying effect, so that the air conditioner filter device which is convenient to maintain, stable in structure and efficient in filtering is needed to meet the requirements of people.
Disclosure of Invention
The invention provides a filter device of an air conditioner, which has the advantages of convenience in maintenance, stable structure and high-efficiency filtration and solves the problems of complex maintenance, unfixed structure and single filtration effect of a common device.
In order to realize the purposes of convenient maintenance, stable structure and high-efficiency filtration of the device, the invention provides the following technical scheme: a filter device of an air conditioner comprises a front filter frame, a rear filter frame, a clamping groove, a clamping block, a transverse rib, a longitudinal rib, an adhesive layer, a first filter layer, a first adsorption layer, a second filter layer, a second adsorption layer, an insertion block, a filling layer and a clamping block, wherein the clamping groove is formed in the back surface of the front filter frame;
the back of the front filter frame is fixedly provided with a first filter layer and a first adsorption layer in sequence, the front of the rear filter frame is fixedly provided with a second adsorption layer and a second filter layer in sequence, one sides of the front filter frame and the rear filter frame are fixedly provided with inserting blocks, and the tops of the front filter frame and the rear filter frame are fixedly provided with filling layers.
In a preferred embodiment of the present invention, the shape and size of the engaging groove and the shape and size of the engaging block are both matched, and the engaging groove and the engaging block are engaged.
As a preferred technical scheme of the invention, the transverse ribs are fixedly provided with longitudinal ribs through the adhesive layers, and the transverse ribs and the longitudinal ribs are fixedly arranged on the surfaces of the front filter frame and the rear filter frame.
As a preferable technical scheme of the invention, the mesh diameter of the first filter layer is larger than that of the second filter layer, and the surfaces of the first adsorption layer and the second adsorption layer are both provided with activated carbon particles.
As a preferred technical solution of the present invention, the number of the insertion blocks is two, and the two insertion blocks have the same shape and size.
As a preferred technical scheme of the invention, the filling layer is made of rubber, and the bottom of the front filter frame is fixedly provided with a clamping block.
As a preferable technical scheme of the invention, the first filter layer and the second filter layer are both filter screens for filtering, and the first filter layer and the second filter layer adopt metal filter screen structures.
As a preferable technical scheme of the invention, the mesh diameter of the first filter layer is larger than that of the second filter layer.
As a preferable technical scheme of the invention, the adhesive layer adopts acrylic acid AB glue.
In a preferred embodiment of the present invention, the first adsorption layer and the second adsorption layer are both activated carbon adsorption layers.
Compared with the prior art, the invention provides a filter device of an air conditioner, which has the following beneficial effects:
1. this filter equipment of air conditioner, through the matching that sets up block groove and block piece, the condition that filter frame and back filter frame can drop on installing the air conditioner takes place before avoiding, and the block of block groove and block piece is connected the dismantlement and the installation of filter frame and back filter frame before convenient, be convenient for to the washing of aspect such as inside filter layer and adsorbed layer, and the mesh diameter of second filter layer is less, can help the device to block dust or impurity that the filter layer fails to block, extension fixture's life, and the activated carbon granule that adsorbed layer and second adsorbed layer surface were provided with can adsorbed impurity, effectively purify impurity, increase the filter effect of filter, make whole device can high efficiency filter.
2. This filter equipment of air conditioner, through setting up fixed horizontal muscle of adhesion layer and vertical muscle, increase the fixed effect of device, filter frame and post-filtration frame before the connection of horizontal muscle and vertical muscle also conveniently supports, make whole device firm effective, help is provided for fixed filter layer and second filter layer, make the frame of whole device stable, the installation and the function of being convenient for filter equipment, filter frame and post-filtration frame's top before the filling layer of rubber material not only can fill, it fixes on the air conditioner to filter frame and post-filtration frame before also can helping, when joint piece joint on the air conditioner, still probably leave the gap between the top of device and the air conditioner, the filling layer just can fill the gap, increase the fixed ability of device.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural view of a filter device of an air conditioner according to the present invention;
FIG. 2 is an exploded view of a filter assembly of an air conditioner according to the present invention;
FIG. 3 is a schematic view of a fastening block of a filter device of an air conditioner according to the present invention;
FIG. 4 is a schematic view showing a structure of an adhesive layer of a filter device of an air conditioner according to the present invention;
FIG. 5 is a schematic view of a side plane of a filter assembly of an air conditioner according to the present invention;
FIG. 6 is a schematic view showing the connection between the engaging block structure and the engaging groove structure of the filter device of the air conditioner according to the present invention.
In the figure: 1. a front filter frame; 2. a post-filter stand; 3. a clamping groove; 4. a clamping block; 5. a transverse rib; 6. longitudinal ribs; 7. a bonding layer; 8. a first filter layer; 9. a first adsorbent layer; 10. a second filter layer; 11. a second adsorption layer; 12. inserting a block; 13. a filling layer; 14. and a clamping block.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-6, the invention discloses a filter device of an air conditioner, comprising a front filter frame 1, a rear filter frame 2, a clamping groove 3, a clamping block 4, a transverse rib 5, a longitudinal rib 6, an adhesive layer 7, a first filter layer 8, a first adsorption layer 9, a second filter layer 10, a second adsorption layer 11, an insertion block 12, a filling layer 13 and a clamping block 14, wherein the clamping groove 3 is arranged on the back of the front filter frame 1, the clamping block 4 is movably arranged on the inner wall of the clamping groove 3, the rear filter frame 2 is fixedly arranged on the back of the clamping block 4, the transverse ribs 5 are fixedly arranged on the surfaces of the front filter frame 1 and the rear filter frame 2, the adhesive layer 7 is fixedly arranged on the front of the transverse ribs 5, the longitudinal rib 6 is fixedly arranged on the front of the adhesive layer 7, the first filter layer 8 and the first adsorption layer 9 are fixedly arranged on the back of the front filter frame 1 in sequence, the front of the rear filter frame 2 is fixedly provided with a second adsorption layer 11 and a second filter layer 10 in sequence, one side of the front filter frame 1 and one side of the rear filter frame 2 are both fixedly provided with an insert block 12, the top of the front filter frame 1 and the top of the rear filter frame 2 are both fixedly provided with a filling layer 13, the adhesive layer 7 adopts acrylic acid AB glue, the first filter layer 8 and the second filter layer 10 are both filter screens for filtering, the first filter layer 8 and the second filter layer 10 adopt metal filter screen structures, and the transverse ribs 5 and the longitudinal ribs 6 are fixed by arranging the adhesive layer 7, so that the fixing effect of the device is increased, and the connection of the transverse ribs 5 and the longitudinal ribs 6 also conveniently supports the front filter frame 1 and the rear filter frame 2, so that the whole device is stable and effective, help is provided for fixing the first filter layer 8 and the second filter layer 10, the frame of the whole device is stable, and the installation and the function of the filter device are convenient, the filling layer 13 of rubber material not only can fill the top of preceding filter frame 1 and the post-filtration frame 2 of crossing, can also help preceding filter frame 1 and the post-filtration frame 2 of crossing to fix on the air conditioner, when 14 joints of joint piece on the air conditioner, still probably leave the gap between the top of device and the air conditioner, filling layer 13 just can fill the gap, increases the fixed ability of device.
Specifically, the shape and size of the engaging groove 3 and the shape and size of the engaging block 4 are matched with each other, and the engaging groove 3 and the engaging block 4 are connected in an engaging manner.
In this embodiment, the mutual matching of block groove 3 and block 4 can be fixed with preceding filter frame 1 and post-filter frame 2, and the condition that can drop is installed on the air conditioner to filter frame 1 and post-filter frame 2 before avoiding, and the block of block groove 3 and block 4 is connected the dismantlement and the installation of filter frame 1 and post-filter frame 2 before convenient, is convenient for to the washing of aspect such as inside first filter layer 8 and first adsorbed layer 9, is convenient for maintain the filter equipment of air conditioner.
Specifically, horizontal muscle 5 is provided with vertical muscle 6 through gluing the fixed layer 7 that is provided with of layer, and horizontal muscle 5 and vertical muscle 6 all fixed the setting in the front filter frame 1 and the back filter frame 2 on the surface.
In this embodiment, horizontal muscle 5 is fixed through gluing adhesion coating 7 with vertical muscle 6, increases the fixed effect of device, and filter frame 1 and back filter frame 2 are crossed before horizontal muscle 5 and the connection of vertical muscle 6 also conveniently supports moreover for whole device is firm effective, for fixed first filter layer 8 and second filter layer 10 provide help, makes the frame of whole device stable, the installation and the performance function of the filter device of being convenient for.
Specifically, the mesh diameter of the first filter layer 8 is larger than that of the second filter layer 10, and activated carbon particles are arranged on the surfaces of the first adsorption layer 9 and the second adsorption layer 11.
In this embodiment, the mesh diameter of second filter layer 10 is less, can help the device to block dust or impurity that first filter layer 8 can not block to multiple filter effect makes things convenient for the device to filter and purifies, extension fixture's life, and the active carbon granule that first adsorbed layer 9 and second adsorbed layer 11 surfaces were provided with can adsorbed impurity moreover, effectively purifies impurity, increases the filter effect of filter, makes whole device can high efficiency filter.
Specifically, the number of the insert blocks 12 is two, and the two insert blocks 12 have the same shape and size.
In this embodiment, two inserted blocks 12 set up the one side of filtering frame 1 and after-filter frame 2 in the front respectively, when installing the filter of air conditioner, insert the slot of air conditioner with inserted block 12, can not only fix the filter, can also strengthen the fixing of filtering frame 1 and after-filter frame 2 before for whole device can form wholly, increases the steadiness of device, and two inserted blocks 12 shapes are the same moreover, can be convenient for the installation of device dismantle.
The article or apparatus may comprise not only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a filter equipment of air conditioner, includes that preceding filter frame (1), back filter frame (2), block groove (3), block piece (4), horizontal muscle (5), vertical muscle (6), glue adhesion coating (7), first filter layer (8), first adsorbed layer (9), second filter layer (10), second adsorbed layer (11), inserted block (12), filling layer (13) and joint piece (14), its characterized in that: the back of the front filter frame (1) is provided with a clamping groove (3), the inner wall of the clamping groove (3) is movably provided with a clamping block (4), the back of the clamping block (4) is fixedly provided with a rear filter frame (2), the surfaces of the front filter frame (1) and the rear filter frame (2) are both fixedly provided with transverse ribs (5), the front of each transverse rib (5) is fixedly provided with an adhesive layer (7), and the front of each adhesive layer (7) is fixedly provided with a longitudinal rib (6);
the back of preceding filter frame (1) is fixed in proper order and is provided with first filter layer (8) and first adsorbed layer (9), the front of after-filtration frame (2) is fixed in proper order and is provided with second adsorbed layer (11) and second filter layer (10), preceding filter frame (1) and one side of after-filtration frame (2) are all fixed and are provided with inserted block (12), preceding filter frame (1) and the top of after-filtration frame (2) are all fixed and are provided with filling layer (13).
2. A filter device of an air conditioner according to claim 1, wherein: the shape and the size of the clamping groove (3) are matched with those of the clamping block (4), and the clamping groove (3) is connected with the clamping block (4) in a clamping manner.
3. A filter device of an air conditioner according to claim 1, wherein: the transverse ribs (5) are fixedly provided with longitudinal ribs (6) through adhesive layers (7), and the transverse ribs (5) and the longitudinal ribs (6) are fixedly arranged on the surfaces of the front filter frame (1) and the rear filter frame (2).
4. A filter device of an air conditioner according to claim 1, wherein: the mesh diameter of the first filter layer (8) is larger than that of the second filter layer (10), and activated carbon particles are arranged on the surfaces of the first adsorption layer (9) and the second adsorption layer (11).
5. A filter device of an air conditioner according to claim 1, wherein: the number of the insertion blocks (12) is two, and the two insertion blocks (12) are identical in shape and size.
6. A filter device of an air conditioner according to claim 1, wherein: the material of filling layer (13) is rubber, and the bottom of preceding filter frame (1) is fixed and is provided with joint piece (14).
7. A filter device of an air conditioner according to claim 1, wherein: the first filter layer (8) and the second filter layer (10) are both filter screens for filtering, and the first filter layer (8) and the second filter layer (10) are of metal filter screen structures.
8. A filter device of an air conditioner according to claim 1, wherein: the adhesive layer (7) is made of acrylic acid AB adhesive.
9. A filter device of an air conditioner according to claim 4, wherein: the first adsorption layer (9) and the second adsorption layer (11) are both activated carbon adsorption layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111448133.1A CN114294756A (en) | 2021-11-30 | 2021-11-30 | Filter device of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111448133.1A CN114294756A (en) | 2021-11-30 | 2021-11-30 | Filter device of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114294756A true CN114294756A (en) | 2022-04-08 |
Family
ID=80966582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111448133.1A Pending CN114294756A (en) | 2021-11-30 | 2021-11-30 | Filter device of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114294756A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010149092A (en) * | 2008-12-26 | 2010-07-08 | Chugoku Electric Power Co Inc:The | Filter attachment device |
| CN206793266U (en) * | 2017-06-17 | 2017-12-26 | 中节能（临沂）环保能源有限公司 | A kind of fans entrance and motor cooling air inlet screen pack |
| CN208943753U (en) * | 2018-09-12 | 2019-06-07 | 湖北聚能祥环保科技有限公司 | Air conditioner wall-mounted machine |
| CN210050855U (en) * | 2019-04-30 | 2020-02-11 | 中山百得厨卫有限公司 | Filter screen assembly and range hood |
| CN211041097U (en) * | 2019-11-19 | 2020-07-17 | 佛山市顺德区志铭五金有限公司 | Multiple cigarette machine filter screen that filter effect is good |
| CN213159890U (en) * | 2020-06-26 | 2021-05-11 | 高永利 | Comprehensive environment-friendly air circulation disinfection equipment |
| CN213348178U (en) * | 2020-09-29 | 2021-06-04 | 武汉铁路安通机车电器配件有限公司 | Novel roof ventilation filter screen |
| CN213598271U (en) * | 2020-10-29 | 2021-07-02 | 华能莱芜发电有限公司 | Double-layer filter screen at inlet of fan |
| CN214437234U (en) * | 2021-02-03 | 2021-10-22 | 江苏科力特环保科技有限公司 | Efficient and environment-friendly fibrous activated carbon filter screen |
-
2021
- 2021-11-30 CN CN202111448133.1A patent/CN114294756A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010149092A (en) * | 2008-12-26 | 2010-07-08 | Chugoku Electric Power Co Inc:The | Filter attachment device |
| CN206793266U (en) * | 2017-06-17 | 2017-12-26 | 中节能（临沂）环保能源有限公司 | A kind of fans entrance and motor cooling air inlet screen pack |
| CN208943753U (en) * | 2018-09-12 | 2019-06-07 | 湖北聚能祥环保科技有限公司 | Air conditioner wall-mounted machine |
| CN210050855U (en) * | 2019-04-30 | 2020-02-11 | 中山百得厨卫有限公司 | Filter screen assembly and range hood |
| CN211041097U (en) * | 2019-11-19 | 2020-07-17 | 佛山市顺德区志铭五金有限公司 | Multiple cigarette machine filter screen that filter effect is good |
| CN213159890U (en) * | 2020-06-26 | 2021-05-11 | 高永利 | Comprehensive environment-friendly air circulation disinfection equipment |
| CN213348178U (en) * | 2020-09-29 | 2021-06-04 | 武汉铁路安通机车电器配件有限公司 | Novel roof ventilation filter screen |
| CN213598271U (en) * | 2020-10-29 | 2021-07-02 | 华能莱芜发电有限公司 | Double-layer filter screen at inlet of fan |
| CN214437234U (en) * | 2021-02-03 | 2021-10-22 | 江苏科力特环保科技有限公司 | Efficient and environment-friendly fibrous activated carbon filter screen |
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Application publication date: 20220408 |
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