CN111632491A - Photocatalyst indoor air purification device - Google Patents

Photocatalyst indoor air purification device Download PDF

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Publication number
CN111632491A
CN111632491A CN202010493992.1A CN202010493992A CN111632491A CN 111632491 A CN111632491 A CN 111632491A CN 202010493992 A CN202010493992 A CN 202010493992A CN 111632491 A CN111632491 A CN 111632491A
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photocatalyst
purification
indoor air
air
honeycomb
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CN202010493992.1A
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Chinese (zh)
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龙永南
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    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
    • 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
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Catalysts (AREA)

Abstract

Photocatalyst indoor air purification device, including the casing and set up wind channel and circulating fan in the casing, its circulating fan one side is provided with the purification subassembly, should purify the subassembly and include filter unit and purification unit to be provided with a framework at purification unit's exit end, be provided with atomizing spray set, drainage blade and towards purification unit's ultraviolet lamp in the framework, and including setting up in the photocatalyst filter screen of framework side, sponge board and PHI initiative purification unit in the purification unit, equipartition through-hole on the sponge board, PHI initiative purification unit and photocatalyst filter screen set up respectively in the plain noodles side and the evagination face side of sponge board. The invention can effectively and actively kill germs in the air, physically filter and purify indoor particles and toxic substances, and simultaneously can keep the humidity in the air, thereby being very suitable for families.

Description

Photocatalyst indoor air purification device
Technical Field
The invention relates to an indoor air purification device, in particular to a photocatalyst indoor air purification device.
Background
At present, most of air purification devices sold in the market have single function, polluted air is treated by a photocatalyst technology, air is fresh by increasing the content of negative oxygen ions in the air by a negative oxygen ion generator, air is sterilized by ozone, the air purification devices cannot really play a role in purifying indoor air, in addition, the air humidity imbalance caused by humid or dry air can also affect indoor human bodies, furniture, some devices and the like, and therefore, the air purifier with single function cannot meet the requirements of people.
Because the polluted air may contain bacteria, fungi, various infectious germs, and in addition, various fine dusts and harmful gases harmful to human body. Modern medicine considers that the content of bacteria and mould in the room is too high, which is easy to cause the human body to generate related diseases, and the content of microbes harmful to the human body, such as bacteria and mould, in the indoor environment is not too low for normal people, otherwise, the immunity of the human body is reduced, the tolerance to the external environment is reduced, but for special environments, such as a laboratory or a ward, the air purifying device needs extremely high air quality, so that the air purifying device can adjust the indoor air purifying efficiency and purifying strength and humidify the air.
Disclosure of Invention
The present invention provides a photocatalyst indoor air purification device to solve the above-mentioned drawbacks in the background art.
The technical problem solved by the invention is realized by adopting the following technical scheme:
photocatalyst indoor air purification device, including the casing and set up wind channel and circulating fan in the casing, circulating fan with the wind channel links to each other, and still be provided with purification subassembly in circulating fan one side, purification subassembly has set gradually filtering unit and purification unit from wind channel air inlet side to the play wind side, simultaneously at purification unit's exit end still overlaps and is equipped with a framework that sets up along the direction of circulation of air, be provided with atomizing spray set, drainage blade and the ultraviolet lamp towards purification unit in the framework, and including setting up photocatalyst filter screen, sponge board and the PHI initiative purification unit in the framework side in purification unit, the equipartition through-hole on the sponge board, and include plain noodles and outer convex surface, PHI initiative purification unit sets up in the plain noodles side of sponge board, the outer convex surface of sponge board is towards the framework, the surface of the device is formed with a plurality of regular arc surface protrusions, the photocatalyst filter screen is propped against the surfaces of the arc surface protrusions, and an ultrasonic wave reinforced active carbon filter plate and an HEPA filter plate are further arranged in the PHI active purification unit.
As a further limitation, the air inlet end of the air duct is also provided with an air inlet filter plate, and the air inlet filter plate comprises a dust collecting screen plate and a non-woven fabric filter plate which are stacked on the plane of the air duct.
As a further limitation, the filter structure is a composite filter structure, and comprises a frame body and at least two layers of honeycomb plates arranged in the frame body, the honeycomb plates are separated by a non-woven fabric layer, activated carbon particles with different particle sizes are respectively filled in different honeycomb plates, and the particle size of the activated carbon particles filled in the honeycomb plate close to the air inlet side is larger than that of the activated carbon particles filled in the honeycomb plate close to the air outlet side. And among the activated carbon particles with different particle sizes, the activated carbon particle with the largest particle size is not more than 6mm, and the activated carbon particle with the smallest particle size is not less than 0.3 mm.
Simultaneously, because the active carbon granule is recoverable consumptive material, the honeycomb panel is detachable replacement structure, just detachable replacement structure is preferred to be fixed through one of pull, lock joint, bolt, the grafting soon.
In order to improve the comprehensive utilization rate of the filter structure, the thickness and the size of the honeycomb holes of the honeycomb plate are in direct proportion to the particle size of the activated carbon particles filled in the honeycomb plate, namely the thickness and the pore size of the honeycomb holes for filling the activated carbon particles with large particle size are larger than those of the honeycomb plates for filling the activated carbon particles with small particle size.
As a further limitation, the guide vanes are driven by a bi-directional motor with adjustable power.
As a further limitation, the circulation fan and the guide blade are independently controlled by different switches.
By way of further limitation, a layer of silver-plated stainless steel is formed on the cambered surface protruding surface of the sponge plate.
The atomization spraying device is further limited to adopt 1: 80-1: 200 dilution of nano photocatalyst solution and water as atomization spraying liquid, and in order to improve the using effect of the spraying liquid in the atomization spraying device and prevent waste, a backflow tray is further arranged at the bottom of the atomization spraying device to conduct circulation spraying of the spraying liquid so as to keep the concentration of the liquid in the frame.
As a further limitation, the photocatalyst filter screen is a photocatalyst aluminum-based filter screen or a photocatalyst titanium-plated metal filter screen.
As a further limitation, a grid plate is arranged in the frame body, the grid plate is arranged on the air inlet side and/or the air outlet side of the frame body to serve as a support structure of the frame body, and an ultraviolet LED lamp strip facing the purification unit is embedded in the grid plate.
The sponge plate is further limited, the diameter of a single hole of the hollowed-out holes uniformly distributed on the sponge plate is not more than 8mm, and the sum of the sectional areas of the hollowed-out parts of the hollowed-out holes is 1/4-1/5 of the area of the sponge plate.
The sponge plate is further limited to have a thickness of 20-25 mm, the height of the protrusions of the cambered protrusions formed on the sponge plate is 8-15 mm, the thickness of the silver-plated stainless steel layer formed on the sponge plate is 0.1-0.5 mm, and the thickness of the silver-plated layer is 8-10 microns.
Has the advantages that: the invention organically combines various air evolution technologies, combines a sponge plate structure with a special structure with a photocatalyst filter screen and a PHI active purification unit, superposes the effects of the photocatalyst filter screen purification technology and the PHI active purification unit, matches the passive purification of the filter structure and the photocatalyst sterilization device with the PHI active purification, and controls the release amount and the circulation efficiency of active purification factors by matching with the adjustment of wind direction and wind quantity by a bidirectional flow guide blade, compared with the simple filtering and purifying effect provided by the traditional indoor air purifier, the invention can obviously improve the purifying effect of indoor air and effectively improve the air quality; the water solution with the photocatalyst solvent is utilized to carry out fountain water circulation, thereby killing bacteria and toxic substances in the air and simultaneously ensuring the humidity in the air
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of the present invention.
Fig. 2 is an exploded view of the structure of the purification unit and the frame in fig. 1.
Wherein: 1. an air inlet; 2. a non-woven fabric filter plate; 3. a dust collecting screen plate; 4. a circulating fan; 5. an air duct; 6. a filtration unit; 7. a purification unit; 8. a housing; 9. an air outlet; 61. a first honeycomb panel; 62. a first nonwoven layer; 63. a second cellular board; 64. a second nonwoven layer; 65. a third cellular board; 71. an ultraviolet LED light band; 72. a grid-shaped grid plate; 73. a drainage blade; 74. an atomizing spray device; 75. a photocatalyst filter screen; 76. a sponge plate; 77. a PHI active purification unit; 78. a HEPA filter plate; 79. ultrasonically reinforcing an activated carbon filter plate; 80. a photocatalyst filter screen combined frame; 81. a frame body.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Referring to fig. 1 and 2, the preferred embodiment of the photo-catalytic indoor air purification device is used in intensive care units with high air quality requirements, which needs to reduce impurities, suspended substances, and microorganisms such as bacteria, fungi, viruses in indoor air to extremely low levels to help patients recover. Meanwhile, the photocatalyst indoor air purification device of the embodiment can reduce impurities, suspended matters, bacteria, fungi, viruses and other microorganisms in indoor air to an extremely low level, so that the photocatalyst indoor air purification device can also be used in environmental spaces such as biological laboratories and the like.
In this embodiment, fig. 1 shows an overall structure of a photocatalyst indoor air purification device, which includes a metal casing 8 as a support structure, an air duct 5 for air circulation is provided in the casing 8, a front end of the air duct 5 is connected to an air inlet 1, and in order to improve the quality of air entering the device, a non-woven fabric filter plate 2 and a dust collecting screen plate 3 are further provided at the position of the air inlet 1 as a rough air filtering structure for filtering large-sized floating dust and impurities entering the device; the tail end of the air duct 5 is connected with an air outlet 9 of the equipment, and the air treated by the equipment enters the room through the air outlet 9.
A circulating fan 4 is arranged on the air duct 5 in the casing 8 as a circulating power source, a purifying component is arranged at the rear part of the circulating fan 4, the purifying component is sequentially provided with a filtering unit 6 and a purifying unit 7 from the air inlet side to the air outlet side of the air duct 5, and the outlet end of the purifying unit 7 is also sleeved with a frame 81 arranged along the air flowing direction in the air duct 5.
Wherein, the filter unit 6 comprises three layers of honeycomb plates which are detachable replacement structures and are inserted and fixed in a drawing mode, the three layers of honeycomb plates are a first honeycomb plate 61, a second honeycomb plate 63 and a third honeycomb plate 65 in turn from left to right, the first honeycomb plate 61 and the second honeycomb plate 63 are separated by a first non-woven fabric layer 62, the second honeycomb plate 63 and the third honeycomb plate 65 are separated by a second non-woven fabric layer 64, the first honeycomb plate 61 is filled with active carbon particles with the particle size of 3-5 mm, the second honeycomb plate 63 is filled with active carbon particles with the particle size of 1-2 mm, the third honeycomb plate 65 is filled with active carbon particles with the particle size of 0.5-0.8 mm, the thickness and the honeycomb holes of the honeycomb plates are gradually reduced from the first honeycomb plate 61, the second honeycomb plate 63 to the third honeycomb plate 65, and the three layers of honeycomb plates can absorb dust and harmful substances in the air step by step, reducing its harmful level to the micron level.
The structure of the purifying unit 7 is as shown in fig. 1 and fig. 2, an ultrasonic reinforced active carbon filter plate 79, an HEPA filter plate 78, a PHI active purifying unit 77 and a photocatalyst filter screen combination rack 80 are sequentially arranged from the air inlet side to the air outlet side of the air duct 5, the air quality entering the PHI active purifying unit 77 is further improved and the loss of the PHI active purifying unit 77 is reduced by the reinforced filtering functions of the ultrasonic reinforced active carbon filter plate 79 and the HEPA filter plate 78; the photocatalyst filter screen assembly frame 80 includes a photocatalyst filter screen 75 and a sponge plate 76, for the convenience of molding, the photocatalyst filter screen 75 is a photocatalyst aluminum-based filter screen and leans against the sponge plate 76, and the photocatalyst filter screen 75 and the sponge plate 76 are molded in the same frame to form the photocatalyst filter screen assembly frame 80. The thickness of the sponge plate 76 is 25mm, hollow holes are uniformly distributed on the sponge plate 76, the diameter of a single hole of each hollow hole is 6mm, the sum of the sectional areas of the hollow parts of the hollow holes is 1/4 of the area of the sponge plate 76, a plurality of regular cambered protrusions are formed on the outer side surface of the sponge plate 76, the protrusion height of each cambered protrusion is 12mm, the cambered protrusions face the frame body 81, and the photocatalyst filter screen 75 abuts against the cambered protrusion surface of the sponge plate 76.
The frame 81 is internally provided with an atomization spray device 74, a flow guide blade 73 and an ultraviolet LED lamp strip 71 facing the purification unit 7, wherein the atomization spray device 74 adopts 1:200 diluent of nano photocatalyst solution and water as atomization spray liquid, in order to improve the using effect of the spray liquid in the atomization spray device and prevent waste, the bottom of the atomization spray device 74 is also provided with a backflow tray for circularly spraying the spray liquid to keep the liquid concentration in the frame 81, and the atomization spray device 7 is subjected to power control to control the concentration of the atomization spray liquid in the frame 81, so that the photocatalyst reaction efficiency on the photocatalyst filter screen 75 is controlled. The flow guide blades 73 are driven by a bidirectional motor with adjustable power, and the circulating fan 4 and the flow guide blades 73 are independently controlled by different switches.
The frame 81 is provided with a grid plate 72 as a support structure of the frame 81 on the side close to the air outlet 9, a lamp groove having the same size as the grid plate is formed in one side surface of the grid plate 72 facing the purification unit, and the ultraviolet LED lamp strip 71 is fitted in the lamp groove and used in combination with the photocatalyst filter 75.
In addition, in the embodiment, a layer of silver-plated stainless steel is further formed on the surface of the arc protrusion of the sponge plate 76, the thickness of the silver-plated stainless steel layer is 0.2mm, the thickness of the silver-plated layer is 8-10 μm, ultraviolet light is reflected by the silver-plated stainless steel, partial bacteria are absorbed and killed, high-grade oxidation air masses absorbed by the sponge plate 76 can be prevented from entering the frame 81, and the concentration of active sterilization factors of the air outlet 9 is controlled. The mode of controlling the concentration of the active sterilization factor can reduce substances harmful to human bodies such as bacteria and mold in a room to proper content, and the humidity of air blown out of the air outlet 9 and the amount of the active sterilization factor are adjusted by matching with the drainage blades 73 with proper power and turning direction.
In another embodiment, the photocatalyst indoor air purification apparatus for use in a general household room reduces the use of the non-woven fabric filter sheet 2 in consideration of production and use costs, and the filter unit 6 employs only a two-layer honeycomb panel structure, so that the use cost of equipment can be effectively reduced due to the reduction of the use of consumables.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. 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 (8)

1. Photocatalyst indoor air purification device, its characterized in that, including the casing and set up wind channel and circulating fan in the casing, circulating fan with the wind channel links to each other, and be in circulating fan one side still is provided with the purification subassembly, the purification subassembly has set gradually filter unit and purification unit from wind channel air inlet side to the play wind side, simultaneously in the exit end of purification unit still overlaps and is equipped with a framework that sets up along the circulation of air direction, be provided with atomizing spray set, drainage blade and towards the ultraviolet lamp of purification unit in the framework, and including setting up photocatalyst filter screen, sponge board and the PHI initiative purification unit in the framework side, the photocatalyst filter screen is the aluminium base filter screen of photocatalyst, the titanium metal filter screen of photocatalyst plating, the equipartition through-hole on the sponge board, and include plain noodles and outer convex surface, PHI initiative purification unit sets up in the plain noodles side of sponge board, the evagination face orientation of sponge board the framework, its surface forming has the cambered surface of a plurality of rules to be protruding, the photocatalyst filter screen then the top lean on in cambered surface is protruding on the surface, just is in still be provided with ultrasonic wave in the PHI initiative purification unit and strengthen active carbon filter plate and HEPA filter plate.
2. The photocatalyst indoor air purification device as claimed in claim 1, wherein the filter structure is a composite filter structure, and comprises a frame body and at least two layers of honeycomb plates arranged in the frame body, the honeycomb plates are separated by a non-woven fabric layer, different honeycomb plates are respectively filled with activated carbon particles with different particle sizes, and the particle size of the activated carbon particles filled in the honeycomb plate close to the air inlet side is larger than that of the activated carbon particles filled in the honeycomb plate close to the air outlet side.
3. The photocatalyst indoor air-cleaning device as claimed in claim 2, wherein the largest particle diameter of the activated carbon particles filled in the honeycomb panel is not more than 6mm, and the smallest particle diameter of the activated carbon particles is not less than 0.3 mm.
4. The photocatalyst indoor air-cleaning device as claimed in claim 2, wherein the thickness of the honeycomb panel and the size of the honeycomb holes are in direct proportion to the particle size of the activated carbon particles filled therein.
5. The photocatalytic indoor air purification device of claim 2, wherein the honeycomb panel is a detachable and replaceable structure, and is detachably connected to the equipment through one of a pull-out connector, a snap-in connector, a bolt-in connector, and a screw-in connector.
6. The photocatalytic indoor air purification device of claim 1, wherein the flow guiding blade is driven by a bi-directional motor with adjustable power.
7. The photocatalyst indoor air-purifying device as claimed in claim 1, wherein the circulating fan and the flow-guiding blade are independently controlled by different switches.
8. The photocatalyst indoor air purification device as claimed in claim 1, wherein the atomized spray device employs a 1:80 to 1:200 dilution of a nano photocatalyst solution and water as the atomized spray.
CN202010493992.1A 2020-06-03 2020-06-03 Photocatalyst indoor air purification device Pending CN111632491A (en)

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CN202010493992.1A CN111632491A (en) 2020-06-03 2020-06-03 Photocatalyst indoor air purification device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112229011A (en) * 2020-10-16 2021-01-15 四川纯阳润森节能环保有限公司 Air purification device convenient to install and used for hospital
CN112807961A (en) * 2020-12-29 2021-05-18 石家庄磊盛科技有限公司 Industrial environment-friendly waste gas treatment device and treatment method thereof
CN114251906A (en) * 2020-09-25 2022-03-29 青岛海尔电冰箱有限公司 Air purification module and refrigerator

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KR20050066354A (en) * 2003-12-26 2005-06-30 삼성전자주식회사 Air purifier
CN204478298U (en) * 2015-01-14 2015-07-15 兴田健康产业(合肥)有限公司 Air oxygen machine alive
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CN109999594A (en) * 2019-04-30 2019-07-12 成都钛洋环保科技有限公司 It is a kind of using nano-titania photocatalyst as the liquid circulation air cleaning system and method for consumptive material
CN110465154A (en) * 2019-08-22 2019-11-19 常州市妇幼保健院 A kind of novel smog filtration purifier and application method
CN209828710U (en) * 2019-03-05 2019-12-24 广州蓝加白环保科技有限公司 High-energy UV photo-oxygen catalytic device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050066354A (en) * 2003-12-26 2005-06-30 삼성전자주식회사 Air purifier
CN204478298U (en) * 2015-01-14 2015-07-15 兴田健康产业(合肥)有限公司 Air oxygen machine alive
CN109107381A (en) * 2018-08-21 2019-01-01 四川健尔莱医疗器械科技有限公司 Photocatalysis air purifying device with self-purification capacity
CN209828710U (en) * 2019-03-05 2019-12-24 广州蓝加白环保科技有限公司 High-energy UV photo-oxygen catalytic device
CN109999594A (en) * 2019-04-30 2019-07-12 成都钛洋环保科技有限公司 It is a kind of using nano-titania photocatalyst as the liquid circulation air cleaning system and method for consumptive material
CN110465154A (en) * 2019-08-22 2019-11-19 常州市妇幼保健院 A kind of novel smog filtration purifier and application method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114251906A (en) * 2020-09-25 2022-03-29 青岛海尔电冰箱有限公司 Air purification module and refrigerator
CN112229011A (en) * 2020-10-16 2021-01-15 四川纯阳润森节能环保有限公司 Air purification device convenient to install and used for hospital
CN112807961A (en) * 2020-12-29 2021-05-18 石家庄磊盛科技有限公司 Industrial environment-friendly waste gas treatment device and treatment method thereof

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