CN209828718U - Air purification device for environmental protection - Google Patents
Air purification device for environmental protection Download PDFInfo
- Publication number
- CN209828718U CN209828718U CN201920569692.XU CN201920569692U CN209828718U CN 209828718 U CN209828718 U CN 209828718U CN 201920569692 U CN201920569692 U CN 201920569692U CN 209828718 U CN209828718 U CN 209828718U
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- China
- Prior art keywords
- air
- chamber
- storage chamber
- fan
- pipe
- 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.)
- Expired - Fee Related
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- 230000007613 environmental effect Effects 0.000 title claims abstract description 17
- 238000004887 air purification Methods 0.000 title claims abstract description 12
- 239000011941 photocatalyst Substances 0.000 claims abstract description 62
- 238000001179 sorption measurement Methods 0.000 claims abstract description 47
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 11
- 231100000719 pollutant Toxicity 0.000 abstract description 11
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 23
- 239000007789 gas Substances 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000003905 indoor air pollution Methods 0.000 description 3
- 150000003376 silicon Chemical class 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000013032 photocatalytic reaction Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- -1 TVOC) Chemical compound 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses an air purification device for environmental protection, which comprises a device main body, wherein a photocatalyst reaction chamber, a high-pressure water pump storage chamber and an adsorption chamber are arranged in the device main body; the inside of the photocatalyst reaction chamber is divided into a fan storage chamber and a photocatalyst reaction liquid storage chamber; the fan is arranged in the fan storage chamber, and the air outlet end of the fan is positioned below the liquid level of the photocatalyst solution; the upper end in the photocatalyst reaction liquid storage chamber is provided with an ultraviolet lamp tube and a spray pipe, the lower end is provided with a liquid outlet pipe, the liquid outlet pipe is positioned in the high-pressure water pump storage chamber, the liquid outlet end is communicated with the spray pipe, and the liquid outlet pipe is provided with a high-pressure water pump; the third clapboard is provided with an air outlet hole which is communicated with an air outlet pipe, and the air outlet end of the air outlet pipe is communicated with an air distribution pipe positioned at the bottom end of the adsorption chamber; an active carbon adsorption layer and an active silicon adsorption layer are arranged above the gas distribution pipe, and a gas outlet is arranged at the upper end of the adsorption chamber. The utility model discloses simple structure, convenient to use, multiple pollutant in the air that can be fine carries out high-efficient processing, has wide application prospect.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection equipment, concretely relates to air purification device that environmental protection used.
Background
People spend a large part of time indoors in work and life, and indoor air pollution, particularly harm to human bodies caused by the indoor air pollution, has become a hot problem of people's attention. There are many kinds of indoor air pollutants, mainly including volatile organic compounds (such as formaldehyde, benzene, toluene, xylene, ammonia, TVOC), carbon monoxide, nitrogen oxides, sulfur oxides, and particulate matters, which are generated during decoration, and these substances seriously harm human health, so it is necessary to treat them to purify indoor air.
The existing methods for purifying indoor air mainly comprise ventilation and air exchange, activated carbon or special plant adsorption and the like, and all the methods have the defects of the methods, such as ventilation and air exchange, which can only replace indoor air, and numerous pollutants in outdoor air, which cannot fundamentally solve the problems; although the activated carbon or plant adsorption can adsorb pollutants, the filter element needs to be frequently replaced due to the limitation of saturated adsorption quantity, so that the wide application of the activated carbon or plant adsorption is limited. Therefore, it is necessary to provide a new air cleaning device to fundamentally solve the problem of indoor air pollution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air purification device for environmental protection, which solves the problems that the ventilation can only replace the indoor air and can not fundamentally solve the problems in the prior art; and the active carbon adsorption is easily affected by adsorption saturation, and the filter element needs to be frequently replaced.
The utility model provides an air purification device for environmental protection, which comprises a device main body, wherein the top end of the device main body is provided with a cover plate, a first clapboard and a second clapboard are longitudinally arranged in the device main body at intervals, and the device main body is sequentially divided into a photocatalyst reaction chamber, a high-pressure water pump storage chamber and an adsorption chamber by the first clapboard and the second clapboard; a third partition board is transversely arranged in the photocatalyst reaction chamber, and divides the photocatalyst reaction chamber into a fan storage chamber and a photocatalyst reaction liquid storage chamber in which photocatalyst solution is stored; a fan is arranged in the fan storage chamber, the air inlet end of the fan is communicated with the outside air, and the air outlet end of the fan penetrates through the third partition plate and is positioned below the liquid level of the photocatalyst solution; an ultraviolet lamp tube and a spray pipe are arranged at the upper end in the photocatalyst reaction liquid storage chamber, a liquid outlet pipe is arranged at the lower end, the liquid outlet pipe penetrates out of the photocatalyst reaction liquid storage chamber and is positioned in the high-pressure water pump storage chamber, the liquid outlet end penetrates into the photocatalyst reaction liquid storage chamber and is communicated with the spray pipe, and a high-pressure water pump is further arranged on the liquid outlet pipe;
the third partition board is provided with air outlet holes, the air outlet holes are communicated with an air outlet pipe, and the air outlet end of the air outlet pipe penetrates into the adsorption chamber and is communicated with an air distribution pipe positioned at the bottom end of the adsorption chamber; the adsorption chamber is internally provided with an activated carbon adsorption layer and an activated silicon adsorption layer which are sequentially arranged above the gas distribution pipe, and the upper end of the adsorption chamber is provided with a gas outlet.
Preferably, the cover plate is located an air inlet is formed in the air inlet end of the fan, and a first filter screen is arranged at the air inlet.
Preferably, the cover plate is provided with a pump taking port at the upper end of the high-pressure water pump storage chamber, and the pump taking port is provided with an end cover.
Preferably, the ultraviolet lamp tube is an annular lamp tube and is arranged along the inner wall of the photocatalyst reaction chamber.
Preferably, the spray pipe is located below the ultraviolet lamp tube, and a plurality of spray holes are formed in the spray pipe in a direction towards the liquid level of the photocatalyst solution.
Preferably, the surface of the gas distribution pipe facing the activated carbon adsorption layer is provided with a plurality of gas distribution holes.
Preferably, a second filter screen is arranged at the air outlet.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses set up the photocatalyst reaction chamber, photocatalyst solution carries out high-efficient processing to the pollutant among the room air especially organic pollutant, and the air after the processing is through active carbon adsorption again, removes the particulate matter among the air especially PM2.5, and the air after the active carbon adsorption is through active silicon layer adsorption again, makes various pollutants further handled, and the air obtains fine purification. The utility model discloses simple structure, convenient to use, multiple pollutant in the air that can be fine carries out high-efficient processing, has wide application prospect.
Drawings
Fig. 1 is a schematic structural view of an air purification device for environmental protection according to the present invention;
FIG. 2 is a schematic structural view of a cover plate of the air purification device for environmental protection according to the present invention;
fig. 3 is a position relationship diagram of the ultraviolet lamp tube, the spray pipe and the fan air outlet pipe in the air purification device for environmental protection provided by the utility model.
Description of reference numerals:
1-cover plate, 2-first partition plate, 3-second partition plate, 4-third partition plate, 5-fan, 6-ultraviolet lamp tube, 7-spray pipe, 8-liquid outlet pipe, 9-high pressure water pump, 10-air outlet pipe, 11-air distribution pipe, 12-activated carbon adsorption layer, 13-activated silicon adsorption layer, 14-first filter screen, 15-second filter screen, 16-end cover and 17-fan air outlet pipe.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
It should be noted that the blower, the ultraviolet lamp tube and the high pressure water pump related to the present invention are all existing devices, and the circuit connection thereof adopts a conventional circuit connection manner, and does not involve any innovation.
An air purification device for environmental protection is specifically shown in figures 1-3 and comprises a device main body, wherein a cover plate 1 is arranged at the top end of the device main body, a sealing ring is arranged at the contact position of the cover plate 1 and the device main body, the sealing ring can be circumferentially arranged at the top end of the device main body or at the bottom end of the cover plate 1, the arrangement position of the sealing ring is circumferentially matched with the top end of the device main body, and the arrangement mode can ensure that the whole device main body is in a sealing state.
A first partition plate 2 and a second partition plate 3 are longitudinally arranged in the device main body at intervals, and the device main body is sequentially divided into a photocatalyst reaction chamber, a high-pressure water pump storage chamber and an adsorption chamber by the first partition plate 2 and the second partition plate 3; transversely be equipped with third baffle 4 in the photocatalyst reaction chamber, fan apotheca and the photocatalyst reaction liquid apotheca that has stored photocatalyst solution are separated into with photocatalyst reaction chamber to third baffle 4, and third baffle 4 can dismantle the setting, and the setting mode can be set up the recess that the symmetry set up on the relative both sides board of photocatalyst reaction chamber, then with third baffle 4 joint income recess can, this kind of setting mode can take off third baffle 4 at any time and change ultraviolet fluorescent tube 6 or change photocatalyst solution.
The fan storage chamber is internally provided with a centrifugal fan 5 with a full acute brand and a 190FLW2 model, the air inlet end of the fan 5 is communicated with the outside air, the air outlet end is provided with a fan air outlet pipe 17, and the fan air outlet pipe 17 passes through the third partition plate 4 and is positioned below the liquid level of the photocatalyst solution; the upper end of the photocatalyst reaction liquid storage chamber is provided with an ultraviolet lamp tube 6.
The utility model discloses well used photocatalyst solution is nanometer titanium dioxide aqueous solution, purchases from Shenzhen crystalline material chemical limited company, and the brand is brilliant material, and wherein, nanometer titanium dioxide's size is 4nm, and specific surface area 200-.
Indoor air is sucked in through the air inlet end of the fan 5 and then is conveyed to the position below the liquid level of the photocatalyst solution through the air outlet end of the fan 5 to react with the photocatalyst solution. Under the light irradiation of the ultraviolet lamp tube 6 arranged at the upper end in the photocatalyst reaction liquid storage chamber, the photocatalyst generates a photocatalytic reaction similar to photosynthesis to generate free hydroxyl and active oxygen with extremely strong oxidizing power, has a very strong photooxidation-reduction function, can oxidize and decompose various organic compounds and partial inorganic matters in indoor air, and decompose organic pollutants into pollution-free water and carbon dioxide. Therefore, after the action of the photocatalyst solution in the photocatalyst reaction solution storage chamber, organic matters in the air such as formaldehyde, benzene, toluene, xylene, ammonia and TVOC are decomposed, inorganic matters such as carbon monoxide, nitric oxide and sulfur oxide are treated, bacteria and viruses are killed, and the air quality is greatly improved.
The utility model discloses the photocatalyst reaction liquid apotheca is a inclosed cavity, and it separates with the fan apotheca, and this is because what store in the photocatalyst reaction liquid apotheca is liquid, in order to avoid liquid pollution fan 5 and fine save photocatalyst solution to and further keep the seal of process air, it is very necessary to preserve photocatalyst solution alone.
The air inlet department that apron 1 is located fan 5 is equipped with the air intake, air intake department is equipped with first filter screen 14, the air intake of fan 5 just in time is relative with the air intake, indoor air can be continuous like this and supplies the device interior purification treatment in the fan 5 via the air intake suction, first filter screen 14 that air intake department was equipped with can filter the big particulate matter in the air, the particulate matter that does not filtered dissolves or subsides in photocatalyst solution a bit, remaining finally all can be adsorbed by the adsorption chamber.
The upper end in the photocatalyst reaction solution storage chamber is also provided with a spray pipe 7, the spray pipe 7 is positioned below the ultraviolet lamp tube 6, and a plurality of spray holes are formed in the spray pipe 7 in the direction towards the liquid level of the photocatalyst solution; the lower extreme is equipped with drain pipe 8 in the photocatalyst reaction liquid apotheca, and drain pipe 8 wears out photocatalyst reaction liquid apotheca and is located the high pressure water pump apotheca, and goes out the liquid end and wears into photocatalyst reaction liquid apotheca and communicates with shower 7, still is provided with the small-size high pressure water pump 9 that the brand is galileo, model is DP on the drain pipe 8.
In the treatment process, the high-pressure water pump 9 sucks out the photocatalyst solution in the photocatalyst reaction solution storage chamber through the liquid outlet pipe 8, and then the photocatalyst solution flows back to the upper end in the photocatalyst reaction solution storage chamber and is dispersed at high speed through the spray holes on the spray pipe 7, so that the gas reacted with the photocatalyst in the solution is fully contacted with ultraviolet light, and the photocatalytic efficiency is improved.
It should be noted that the shower pipe 7 is located below the ultraviolet lamp tube 6, the ultraviolet lamp tube 6 is an annular lamp tube and is arranged along the inner wall of the photocatalyst reaction chamber, and this arrangement can prolong the contact time between the dispersion liquid and the ultraviolet light, increase the contact area, and further improve the photocatalytic efficiency.
The third clapboard 4 is provided with air outlet holes which are communicated with an air outlet pipe 10, and the air which is subjected to photocatalytic reaction and has most pollutants removed enters the adsorption chamber through the air outlet pipe 10; the air outlet end of the air outlet pipe 10 penetrates into the adsorption chamber and is communicated with an air distribution pipe 11 positioned at the bottom end of the adsorption chamber, one surface of the air distribution pipe 11, which faces to the activated carbon adsorption layer 12, is provided with a plurality of air distribution holes, and the air distribution holes can uniformly disperse air so that the air can sequentially and uniformly enter the activated carbon adsorption layer 12 and the activated silicon adsorption layer 13 positioned above the air distribution pipe 11 in the adsorption chamber; the activated carbon adsorption layer 12 can adsorb particulate matters in the air, especially particulate matters with small particle size, such as PM2.5, aerosol and the like; the active silicon adsorption layer 13 is filled with nano microporous active silicon filler, which can deeply process the air coming out of the active carbon adsorption layer 12, especially adsorb organic matters and PM2.5, so that the pollutants in the air are further purified, and the obtained purified air basically does not contain pollutants.
It should be noted that, the activated carbon adsorption layer 12 of the present invention can not adsorb saturation very fast, because most of the pollutants are disposed in the photocatalyst reaction solution storage chamber, the activated carbon adsorption layer 12 disposed here only needs to adsorb a small amount of residual pollutants, and thus, it is essentially equivalent to a deep processing unit.
The adsorption chamber upper end is equipped with the gas outlet, and gas outlet department is equipped with second filter screen 15, and outside the air after the processing was through gas outlet eduction gear, the purpose that second filter screen 15 set up was the particulate matter that prevents in the outside air entering.
The cover plate 1 is provided with a pump taking port at the upper end of the high-pressure water pump storage chamber, and an end cover 16 is arranged on the pump taking port. High pressure water pump 9 is left in the high pressure water pump apotheca alone, for the convenience of inserting electricity and overhauing, the utility model discloses be equipped with in high pressure water pump apotheca upper end department and get the pump mouth, get and be equipped with end cover 16 on the pump mouth, be convenient for get at any time and put high pressure water pump 9.
In the present invention, the above disclosure is only the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art should fall into the protection scope of the present invention.
Claims (7)
1. The air purification device for environmental protection is characterized by comprising a device main body, wherein a cover plate (1) is arranged at the top end of the device main body, a first partition plate (2) and a second partition plate (3) are longitudinally arranged in the device main body at intervals, and the device main body is sequentially divided into a photocatalyst reaction chamber, a high-pressure water pump storage chamber and an adsorption chamber by the first partition plate (2) and the second partition plate (3); a third partition plate (4) is transversely arranged in the photocatalyst reaction chamber, and the third partition plate (4) divides the photocatalyst reaction chamber into a fan storage chamber and a photocatalyst reaction liquid storage chamber in which photocatalyst solution is stored; a fan (5) is arranged in the fan storage chamber, the air inlet end of the fan (5) is communicated with the outside air, the air outlet end of the fan (5) is connected with a fan air outlet pipe (17), and the fan air outlet pipe (17) penetrates through the third partition plate (4) and is positioned below the liquid level of the photocatalyst solution; an ultraviolet lamp tube (6) and a spray pipe (7) are arranged at the upper end in the photocatalyst reaction liquid storage chamber, a liquid outlet pipe (8) is arranged at the lower end, the liquid outlet pipe (8) penetrates out of the photocatalyst reaction liquid storage chamber and is positioned in the high-pressure water pump storage chamber, the liquid outlet end penetrates into the photocatalyst reaction liquid storage chamber and is communicated with the spray pipe (7), and a high-pressure water pump (9) is further arranged on the liquid outlet pipe (8);
the third partition plate (4) is provided with air outlet holes, the air outlet holes are communicated with an air outlet pipe (10), and the air outlet end of the air outlet pipe (10) penetrates into the adsorption chamber and is communicated with an air distribution pipe (11) positioned at the bottom end of the adsorption chamber; the adsorption chamber is internally provided with an activated carbon adsorption layer (12) and an activated silicon adsorption layer (13) which are sequentially arranged above the gas distribution pipe (11), and the upper end of the adsorption chamber is provided with a gas outlet.
2. Air cleaning device for environmental protection according to claim 1, characterized in that the cover plate (1) is provided with an air inlet at the air inlet end of the fan (5), and a first filter screen (14) is provided at the air inlet.
3. The air purification device for environmental protection according to claim 2, wherein the cover plate (1) is provided with a pump taking opening at the upper end of the high pressure water pump storage chamber, and the pump taking opening is provided with an end cover (16).
4. The air purifier for environmental protection according to claim 1, wherein the ultraviolet lamp (6) is a ring lamp and is disposed along the inner wall of the photocatalyst reaction chamber.
5. The air purifier for environmental protection according to claim 1, wherein the shower pipe (7) is located below the ultraviolet lamp (6), and the shower pipe (7) has a plurality of shower holes opened toward the liquid surface of the photocatalyst solution.
6. The air cleaner for environmental protection according to claim 1, wherein the air distribution pipe (11) has a plurality of air distribution holes formed in a surface thereof facing the activated carbon adsorption layer (12).
7. An environmentally friendly air cleaning device according to claim 1, wherein a second screen (15) is provided at the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920569692.XU CN209828718U (en) | 2019-04-24 | 2019-04-24 | Air purification device for environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920569692.XU CN209828718U (en) | 2019-04-24 | 2019-04-24 | Air purification device for environmental protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209828718U true CN209828718U (en) | 2019-12-24 |
Family
ID=68913555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920569692.XU Expired - Fee Related CN209828718U (en) | 2019-04-24 | 2019-04-24 | Air purification device for environmental protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209828718U (en) |
-
2019
- 2019-04-24 CN CN201920569692.XU patent/CN209828718U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |