CN109589717A - A kind of air purifying filter core that cooperation air-conditioning uses - Google Patents

A kind of air purifying filter core that cooperation air-conditioning uses Download PDF

Info

Publication number
CN109589717A
CN109589717A CN201710956524.1A CN201710956524A CN109589717A CN 109589717 A CN109589717 A CN 109589717A CN 201710956524 A CN201710956524 A CN 201710956524A CN 109589717 A CN109589717 A CN 109589717A
Authority
CN
China
Prior art keywords
filter membrane
air
layer
conditioning uses
cooperation
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.)
Pending
Application number
CN201710956524.1A
Other languages
Chinese (zh)
Inventor
黄振威
黄立明
孟益林
李朝升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Environment Technology Co Ltd
Original Assignee
Zhejiang Environment Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Environment Technology Co Ltd filed Critical Zhejiang Environment Technology Co Ltd
Priority to CN201710956524.1A priority Critical patent/CN109589717A/en
Publication of CN109589717A publication Critical patent/CN109589717A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
    • 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
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/106—Gold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/22—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/302—Sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/304—Hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/502—Carbon monoxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B01D2257/7027—Aromatic hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/91—Bacteria; Microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air

Abstract

A kind of air purifying filter core that cooperation air-conditioning uses, including installing shell, installation upper part of the housing is provided with the first filter membrane, first filter membrane arranged beneath has the second filter membrane, and third filter membrane is provided with below the second filter membrane, is provided with the 4th filter membrane below third filter membrane, humidification layer is provided with below 4th filter membrane, humidification layer arranged beneath has flavouring layer, and flavouring layer arranged beneath has Non-polarized lamp, and the fluorescent tube periphery of stepless lamp is coated with photocatalyst layer.The beneficial effects of the invention are as follows the permeability of non-woven fabrics is preferable, the effect of filtering can be effectively played, while fungicide can be placed on the first filter membrane, fungicide is used to remove the bacterium of air；Adsorbent and catalyst are placed on the second filter membrane, such as adsorbent is nanoscale MnO2, CuO powder etc., and catalyst is nanoscale TiO2, one of Pt and Au or a variety of.

Description

A kind of air purifying filter core that cooperation air-conditioning uses
Technical field
The present invention relates to technical field of air purification processing, and in particular to a kind of air cleaning filter that cooperation air-conditioning uses Core.
Background technique
With the continuous improvement of people's living standards, people are higher and higher to the attention rate of health.Air cleaning is pointer Sterilizing is provided to indoor various environmental problems, depositing dust removes haze, dispels the whole solutions such as harmful finishing residual and peculiar smell Scheme, raising makes the life better, office conditions, promotes physically and mentally healthy.
Currently, what the air at air-conditioner air outlet was expelled directly out is indoor air, and indoor air quality is worse and worse, Cause in closed environment, air is difficult to circulate, and leads to room air worse and worse, it is therefore desirable to the sky produced by boasting to air-conditioning Gas carries out purification filtering processing, to improve the air quality in sealed environment.And in the prior art, at air-conditioner air outlet simultaneously Without this function.
Summary of the invention
The purpose of the present invention is to provide a kind of air purifying filter cores that cooperation air-conditioning uses, to solve above-mentioned background technique The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of air purifying filter core that cooperation air-conditioning uses, including installation shell, installation upper part of the housing are provided with the first mistake Filter membrane, the first filter membrane arranged beneath have the second filter membrane, are provided with third filter membrane, third filter membrane below the second filter membrane Lower section is provided with the 4th filter membrane, and humidification layer is provided with below the 4th filter membrane, and humidification layer arranged beneath has flavouring layer, increase Fragrant layer arranged beneath has Non-polarized lamp, and the fluorescent tube periphery of stepless lamp is coated with photocatalyst layer.
Be made of as a further solution of the present invention: first filter membrane is non-woven fabrics or filter paper.
As the present invention, further scheme is made of: second filter membrane is non-woven fabrics.
As the present invention, further scheme is made of: the third filter membrane is activated carbon fibre felt material.
As the present invention, further scheme is made of: the 4th filter membrane is polypropylene material.
As the present invention, further scheme is: the humidification layer is the spongy layer containing water.
As the present invention, further scheme is: the photocatalyst layer is the coating of Nano titanium dioxide active material Layer.
The beneficial effects of the invention are as follows the permeability of non-woven fabrics is preferable, the effect of filtering can be effectively played, while can To be placed with fungicide on the first filter membrane, fungicide is used to remove the bacterium of air；Suction is placed on the second filter membrane Attached dose and catalyst, such as adsorbent are nanoscale MnO2, CuO powder etc., and catalyst is nanoscale TiO2, Pt and One of Au or a variety of.These adsorbents can with the benzene,toluene,xylene of air, polycyclic aromatic hydrocarbon, by hydrogen sulfide, titanium dioxide The pollutants such as sulphur and nitrogen oxides generate chemisorption, so that it is removed from air, and catalyst can be usually raw in people Formaldehyde, carbon monoxide etc. are catalyzed into harmless substance to remove it from air under natural environment living；Third filter membrane It is made of activated carbon fibre felt material, the granule foreign in air can be carried out to most of absorption, it is miscellaneous to effectively reduce particle The soakage of matter, protects health；Polypropylene for filtering air in granulometric impurity, make air purification effect obtain into One step is promoted；Photocatalyst layer generates catalysis by the heat of Non-polarized lamp light, and titanium dioxide active material is by light Irradiation when, have very strong oxidability, so that the harmful substance in air is decomposed into carbon dioxide and water, can kill in air Various bacteriums and remove odors.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention, a kind of air purifying filter core that cooperation air-conditioning uses, including installation shell 9, installation 9 top of shell is provided with the first filter membrane 1, and 1 arranged beneath of the first filter membrane has the second filter membrane 2, the second filter membrane 2 Lower section is provided with third filter membrane 3, and the 4th filter membrane 4 is provided with below third filter membrane 3, is set below the 4th filter membrane 4 It is equipped with humidification layer 5, humidification 5 arranged beneath of layer has a flavouring layer 6, and 6 arranged beneath of flavouring layer has a Non-polarized lamp 8, outside the fluorescent tube of stepless lamp 8 It encloses and is coated with photocatalyst layer 7.
First filter membrane 1 is made of non-woven fabrics or filter paper, and the permeability of non-woven fabrics is preferable, can effectively play The effect of filtering, while fungicide can be placed on the first filter membrane 1, fungicide is used to remove the bacterium of air.
Second filter membrane 2 is made of non-woven fabrics, is placed with adsorbent and catalyst on the second filter membrane 2, such as Adsorbent is nanoscale MnO2, CuO powder etc., and catalyst is nanoscale TiO2, one of Pt and Au or a variety of. These adsorbents can be with the benzene,toluene,xylene of air, polycyclic aromatic hydrocarbon, hydrogen sulfide, sulfur dioxide and nitrogen oxides etc. is dirty Contaminate the biochemical absorption of produce, so that it be removed from air, and catalyst can under the natural environment that people usually lives formaldehyde, Carbon monoxide etc. is catalyzed into harmless substance to remove it from air.
The third filter membrane 3 is made of activated carbon fibre felt material, the granule foreign in air can be carried out big portion Divide absorption, effectively reduces the soakage of granule foreign, protect health.
4th filter membrane 4 is made of polypropylene material, polypropylene for filtering air in granulometric impurity, make air Clean-up effect is further promoted.
The humidification layer 5 is the spongy layer containing water, carries out humidification to air, increases air humidity in right amount Add, improves the comfort of incoming call.
The photocatalyst layer 7 is Nano titanium dioxide active material coating layer, and photocatalyst layer 7 passes through 8 light of Non-polarized lamp Heat generate catalysis, titanium dioxide active material has very strong oxidability, makes sky in the irradiation by light Harmful substance in gas is decomposed into carbon dioxide and water, can kill the various bacteriums in air and remove odors.
The course of work of the invention is made of: the first filter membrane 1 is non-woven fabrics or filter paper, the permeability of non-woven fabrics compared with It is good, the effect of filtering can be effectively played, while fungicide can be placed on the first filter membrane 1, fungicide is for removing The bacterium of air；Adsorbent and catalyst are placed on the second filter membrane 2, such as adsorbent is nanoscale MnO2, CuO powder Body etc., and catalyst is nanoscale TiO2, one of Pt and Au or a variety of.These adsorbents can benzene with air, first Benzene, dimethylbenzene, polycyclic aromatic hydrocarbon, by the pollutants such as hydrogen sulfide, sulfur dioxide and nitrogen oxides generate chemisorption, thus by it It is removed from air, and catalyst formaldehyde, carbon monoxide etc. can be catalyzed into harmless object under the natural environment that people usually lives Matter from air so that remove it；Third filter membrane 3 is made of activated carbon fibre felt material, can be miscellaneous by the particle in air Matter carries out most of absorption, effectively reduces the soakage of granule foreign, protects health；Polypropylene is for filtering air In granulometric impurity, promote air purification effect further；Humidification layer 5 is the spongy layer containing water, is carried out to air Humidification increases air humidity in right amount, improves the comfort of incoming call；Photocatalyst layer 7 passes through 8 light of Non-polarized lamp Heat generates catalysis, and titanium dioxide active material has very strong oxidability, make air in the irradiation by light In harmful substance be decomposed into carbon dioxide and water, various bacteriums in air can be killed and removed odors.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of air purifying filter core that cooperation air-conditioning uses, including installation shell, which is characterized in that the setting of installation upper part of the housing There is the first filter membrane, the first filter membrane arranged beneath has the second filter membrane, is provided with third filter membrane below the second filter membrane, the It is provided with the 4th filter membrane below three filter membranes, humidification layer is provided with below the 4th filter membrane, humidification layer arranged beneath has Flavouring layer, flavouring layer arranged beneath have Non-polarized lamp, and the fluorescent tube periphery of stepless lamp is coated with photocatalyst layer.
2. a kind of air purifying filter core that cooperation air-conditioning uses according to claim 1, which is characterized in that first mistake Filter membrane is made of non-woven fabrics or filter paper.
3. a kind of air purifying filter core that cooperation air-conditioning uses according to claim 1, which is characterized in that second mistake Filter membrane is made of non-woven fabrics.
4. a kind of air purifying filter core that cooperation air-conditioning uses according to claim 1, which is characterized in that the third mistake Filter membrane is made of activated carbon fibre felt material.
5. a kind of air purifying filter core that cooperation air-conditioning uses according to claim 1, which is characterized in that the 4th mistake Filter membrane is made of polypropylene material.
6. a kind of air purifying filter core that cooperation air-conditioning uses according to claim 1, which is characterized in that the humidification layer For the spongy layer containing water.
7. a kind of air purifying filter core that cooperation air-conditioning uses according to claim 1, which is characterized in that the photocatalyst Layer is Nano titanium dioxide active material coating layer.
CN201710956524.1A 2017-09-30 2017-09-30 A kind of air purifying filter core that cooperation air-conditioning uses Pending CN109589717A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710956524.1A CN109589717A (en) 2017-09-30 2017-09-30 A kind of air purifying filter core that cooperation air-conditioning uses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710956524.1A CN109589717A (en) 2017-09-30 2017-09-30 A kind of air purifying filter core that cooperation air-conditioning uses

Publications (1)

Publication Number Publication Date
CN109589717A true CN109589717A (en) 2019-04-09

Family

ID=65956958

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710956524.1A Pending CN109589717A (en) 2017-09-30 2017-09-30 A kind of air purifying filter core that cooperation air-conditioning uses

Country Status (1)

Country Link
CN (1) CN109589717A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111135789A (en) * 2019-12-13 2020-05-12 上海勇意环境工程有限公司 360-degree flexible air purification material and preparation method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201643036U (en) * 2010-04-09 2010-11-24 上海伟复环保科技有限公司 Novel composite air purifying material
CN103822311A (en) * 2014-03-14 2014-05-28 重庆大学 Humidifying cabinet air conditioner
CN203783403U (en) * 2014-03-26 2014-08-20 浙江机电职业技术学院 Novel environment-friendly filter window
CN203785105U (en) * 2014-01-29 2014-08-20 张伟斌 Air purifying equipment
CN104497454A (en) * 2014-12-01 2015-04-08 湖州绿净环保科技有限公司 Polytetrafluoroethylene film for filtering air
CN204268604U (en) * 2014-11-19 2015-04-15 江志富 Vehicular air purifier
CN204485505U (en) * 2015-03-16 2015-07-22 韦晓文 A kind of automobile air-conditioning filter
KR101674201B1 (en) * 2016-03-18 2016-11-09 주식회사 마이크로원 Cartridge filter using ptfe membrane
CN107254896A (en) * 2017-06-16 2017-10-17 苏州博菡环保科技有限公司 Closed tank enters to empty gas purifier

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201643036U (en) * 2010-04-09 2010-11-24 上海伟复环保科技有限公司 Novel composite air purifying material
CN203785105U (en) * 2014-01-29 2014-08-20 张伟斌 Air purifying equipment
CN103822311A (en) * 2014-03-14 2014-05-28 重庆大学 Humidifying cabinet air conditioner
CN203783403U (en) * 2014-03-26 2014-08-20 浙江机电职业技术学院 Novel environment-friendly filter window
CN204268604U (en) * 2014-11-19 2015-04-15 江志富 Vehicular air purifier
CN104497454A (en) * 2014-12-01 2015-04-08 湖州绿净环保科技有限公司 Polytetrafluoroethylene film for filtering air
CN204485505U (en) * 2015-03-16 2015-07-22 韦晓文 A kind of automobile air-conditioning filter
KR101674201B1 (en) * 2016-03-18 2016-11-09 주식회사 마이크로원 Cartridge filter using ptfe membrane
CN107254896A (en) * 2017-06-16 2017-10-17 苏州博菡环保科技有限公司 Closed tank enters to empty gas purifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111135789A (en) * 2019-12-13 2020-05-12 上海勇意环境工程有限公司 360-degree flexible air purification material and preparation method thereof
CN111135789B (en) * 2019-12-13 2022-05-27 上海勇意环境工程有限公司 360-degree flexible air purification material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN204254768U (en) Cabinet type nanometer air circulating purifier
CN205561045U (en) Big space negative ion air -cleaner
CN204275317U (en) A kind of portable multi-function positive pressure air purification mouth mask
CN204888804U (en) Photocatalyst negative oxygen ion electron gauze mask
CN206055798U (en) Air purifier
CN202853000U (en) Air purifier
JP3219435U (en) Multi-function air conditioner filter
CN207230762U (en) A kind of indoor air-purification device
CN109589717A (en) A kind of air purifying filter core that cooperation air-conditioning uses
CN203687223U (en) Multifunctional air purifier
CN211158905U (en) Filter element for air purification
CN101732748B (en) Deodorizing device
CN107327954A (en) Horizontal indoor air efficient purifier with humidity conditioning function
CN209672499U (en) A kind of air filtering assembly
CN205252344U (en) Can effectively guarantee to breathe smooth and easy portable air purifier
CN205627376U (en) Novel air purification filters device
CN204962959U (en) Air cleaning device
CN207365217U (en) A kind of three-stage filtration air purifier
CN207741217U (en) A kind of photo-catalytic air cleaner
CN205897352U (en) Air purifier
CN204377981U (en) A kind of mouth mask
CN204648461U (en) The purifier of urine test case
CN220546735U (en) Filter screen structure and air purification device
CN215983059U (en) Air purifier filtering component with high-efficiency photocatalytic performance
CN108692376A (en) A kind of air purifier for haze weather

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190409

WD01 Invention patent application deemed withdrawn after publication