CN201036630Y - Photocatalysis air purifier - Google Patents
Photocatalysis air purifier Download PDFInfo
- Publication number
- CN201036630Y CN201036630Y CNU2006200280770U CN200620028077U CN201036630Y CN 201036630 Y CN201036630 Y CN 201036630Y CN U2006200280770 U CNU2006200280770 U CN U2006200280770U CN 200620028077 U CN200620028077 U CN 200620028077U CN 201036630 Y CN201036630 Y CN 201036630Y
- Authority
- CN
- China
- Prior art keywords
- titanium dioxide
- plate
- utility
- model
- dividing plate
- 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
Links
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 15
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000011941 photocatalyst Substances 0.000 claims abstract description 19
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 15
- 235000019362 perlite Nutrition 0.000 claims abstract description 7
- 239000010451 perlite Substances 0.000 claims abstract description 7
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 12
- 238000011068 load Methods 0.000 claims description 12
- OGIDPMRJRNCKJF-UHFFFAOYSA-N TiO Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 10
- 229910001929 titanium oxide Inorganic materials 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 8
- 229910052904 quartz Inorganic materials 0.000 claims description 8
- 239000010453 quartz Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 4
- 239000004917 carbon fiber Substances 0.000 abstract description 4
- 239000011358 absorbing material Substances 0.000 abstract 2
- 239000011247 coating layer Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 229940076185 Staphylococcus aureus Drugs 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic Effects 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000001413 cellular Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl radical Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000001590 oxidative Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001717 pathogenic Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to an air purifier, in particular to an air purifier having nm titanium dioxide metal plate. The photocatalysis air purifier of the utility model comprises a box body, a wind inlet and a wind outlet. The pedestal of the box body is provided with a fan. The box body is in turns provided with four clapboard inserting grooves, and the inside of the clapboard inserting groove is in turns provided with a dustproof filtrating sieve, two layers of photocatalyst plates and an active carbon fiber plate. Two ultraviolet radiation luminous tubes are respectively arranged between the four clapboard inserting grooves. The dustproof filtrating sieve, photocatalyst plates and the active carbon fiber plate are all made by two metal wire sieves with surface loaded with nm titanium dioxide coating layer and the absorbing material filled between the two metal wire nets and loaded with nm titanium dioxide. The absorbing material is respectively the non-woven fabrics, expanded perlite grains with multi holes and the active carbon fiber net. The utility model has the advantages that: the utility model has good air simplifying effect, simple structure and convenient maintenance, which is applicable for the use for different occasion.
Description
Technical field:
This utility model relates to a kind of air purifier, particularly a kind of air purifier that contains the nanometer titanium dioxide titanium mesh.
Background technology:
Indoor air pollutants mainly is harmful gas, dust granules thing and microorganism now, and wherein harmful gas is major pollutants, comprises formaldehyde, ammonia, benzene and benzene series thing etc.
The conventional process mode of indoor air purification is purification techniques such as filtration, absorption and ultra violet lamp.This class depurator adopts the adsorbing material of high-specific surface area and high porosity, as active carbon, harmful gas is adsorbed, though can play certain effect that purifies the air of a room, but it is because mainly based on adsorption cleaning, harmful gas is not carried out catalytic decomposition, and also can produce secondary pollution etc. when adsorbing saturated adsorbent reactivation air.Ultra violet lamp is simple ozonization, can only use under unmanned situation, and the ozone that exceeds standard in the air has certain harm to human body, and its strong oxidizing property also can be destroyed indoor furnishings.Studies show that the method for utilizing nano titanium oxide the to carry out photochemical catalytic oxidation airborne harmful gas of can degrading effectively.More existing at present air cleaners adopt the nano titanium dioxide photocatalysis method to purify the air of a room, but the subject matter that exists is that screen plate is that monolayer makes catalysed oxidn not thorough, problem such as the slow or light utilization efficiency of photocatalysis oxidation reaction speed is low, and there is not the screen plate slot, be difficult for changing and maintenance, vertically disposed catalyst plates makes the load that is filled between the double layer of metal silk screen have the porous expanded perlite granule of nano titanium oxide to pile up owing to action of gravity downwards easily, thereby cause titanium dioxide can not be subjected to the abundant irradiation of light, thereby influence the photocatalysis effect.
The utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of multiple filtration is provided, has the screen pack slot and load has nano titanium dioxide photocatalyst plate and carbon fiber adsorption and catalytic combustion net and each screen plate to be the air purifier of horizontally set, its degradation process does not need other chemical assistants, reaction condition gentleness, end product have only CO usually
2And H
2O, and can not produce secondary pollution, and adsorption cleaning is combined with nanometer photocatalytic purification, make that the gas catalysis Oxidation is more thorough, simple in structure, easy to maintenance.
The purpose of this utility model is achieved through the following technical solutions: a kind of photocatalysis air purifying device, comprise casing, air inlet, air outlet, and it is characterized in that: the base of described casing is provided with blower fan; Be disposed with four dividing plate slots on the described casing; Be disposed with dust removal and filtration net, two-layer photocatalyst plate and NACF plate in the described dividing plate slot; Be respectively arranged with two quartz burners between four dividing plate slots.
Described dust removal and filtration net by two area loads by the metal gauze of nanometer titanium dioxide coating be filled in two non-woven fabrics between the metal gauze and form; Described photocatalyst plate is made up of the porous expanded perlite granule of nano titanium oxide the metal gauze of nanometer titanium dioxide coating and the load that is filled between the described double layer of metal silk screen the two layers of surface load; Described NACF plate is made up of the metal gauze of nanometer titanium dioxide coating and the NACF net between the described double layer of metal silk screen the two layers of surface load.
It is that 8～30W, wavelength are the quartz burner of 250～370nm that described quartz burner can adopt power.
Compared with prior art, the beneficial effects of the utility model are: each screen pack adopts the mounting means that is inserted on the dividing plate slot, is easy to cleaning, the regeneration of each screen plate, and easy to replace and maintain; The photocatalyst plate by two area loads by the metal gauze of nano titanium oxide be filled in two loads between the metal gauze and formed by the porous expanded perlite granule of nano titanium oxide, and be provided with two-layer, the comprehensive function of multiple filtration plate, and the screen plate horizontally set can guarantee the stability of titanium dioxide filter layer, make catalysed oxidn more abundant, air cleaning is thorough, and is simple in structure, is suitable for multiple occasion and uses.
Description of drawings:
Fig. 1 is a front of the present utility model perspective structure sketch map;
Fig. 2 is a side perspective structural representation of the present utility model;
Fig. 3 is the front surface sketch map of this utility model screen plate;
Fig. 4 is the cross-sectional configuration sketch map of this utility model screen plate.
The specific embodiment:
Below in conjunction with the drawings and specific embodiments this utility model is further described.
Fig. 1 shows a kind of photocatalysis air purifying device of the present utility model, comprise casing 7, base 9, air inlet 3, air outlet 10, base is provided with axial flow blower 1, and the gas that is used for the suction box external body enters in the casing, provides air-flow for air purifier of the present utility model simultaneously.Casing 7 contains metal framework, and all dividing plate slots all are fixed on this metal framework.Between described air inlet 3 and air outlet 10, be disposed with four dividing plate slot 2a, 2b, 2c, 2d; In described dividing plate slot 2a, dust removal and filtration net 4 is set, in described dividing plate slot 2b and 2c, photocatalyst plate 5 is set respectively, in described dividing plate slot 2d, NACF plate 6 is set; Described dust removal and filtration net 4, photocatalyst plate 5 and NACF net 6 all can insert in slot separately and take out, and are convenient for changing, keep in repair.Being respectively arranged with two power between described four dividing plate slot 2a, 2b, 2c, the 2d is that 8～30W, wavelength are the quartz burner 8 of 250～370nm.What adopt in the present embodiment is the quartz burner 8 of power 15W, wavelength 254nm.
In Fig. 3 and Fig. 4, show the cross-sectional configuration of screen plate front surface structural framing figure and photocatalyst plate 5, NACF plate 6, dust removal and filtration net 4 respectively.The structure of photocatalyst plate 5, NACF plate 6 and dust removal and filtration net 4 is identical substantially, be that inner packing material is distinguished to some extent, wherein, described photocatalyst plate 5 is made up of the porous expanded perlite granule of nano titanium oxide the metal gauze of nano titanium oxide and the load that is filled between the double layer of metal silk screen the two layers of surface load; Described NACF plate 6 is made up of the metal gauze of nanometer titanium dioxide coating and the NACF net between the described double layer of metal silk screen the two layers of surface load, and photocatalyst granular particle diameter wherein is that 0.7～3.0mm, cross section present cellular large aperture loose structure; Described dust removal and filtration net 4 is made up of the metal gauze of nanometer titanium dioxide coating and the non-woven fabrics that is filled between the double layer of metal silk screen the two layers of surface load.
This utility model in use, air at first enters air purifier through air inlet 3 under the effect of blower fan 1, adsorption through dust removal and filtration net 4 filters out granule foreigns such as dust in air, photocatalyst plate in being arranged at dividing plate slot 2b 5 carries out the high-efficiency photocatalysis oxidization effect then, since photocatalyst plate 5 by two area loads nano titanium oxide metal gauze and be filled in two loads between the metal gauze and form by the porous expanded perlite granule of nano titanium oxide, it is under the irradiation of described quartz burner 8, in conjunction with airborne water and oxygen, produce hydroxyl radical free radical, on the one hand, escherichia coli have been killed, multiple pathogenic bacteria such as staphylococcus aureus, on the other hand, effective, constantly with airborne formaldehyde, ammonia, organic harmful gas such as benzene is decomposed into CO
2And H
2O makes the air after the filtration not produce secondary pollution; Then, cleaned air passes enters the photocatalyst plate 5 that is provided with in the dividing plate slot 2c again and makes further purified treatment; At last, air adsorbs by 6 pairs of residual organic harmful gas or intermediate products of NACF plate, is further purified, and makes the air of sending through air outlet 10 reach the purpose that purifies fully.
The position of photocatalyst plate 5 described in the present embodiment and NACF plate 6 is interchangeable, that is to say, in described dividing plate slot 2c, 2d NACF plate 6 and photocatalyst plate 5 can also be set respectively.Technical scheme through after exchanging will become another embodiment of the present utility model.
This utility model also can be provided with multi-gear switch, is used to control the rotating speed of blower fan 1, according to the room air situation, regulates the amount of purifying air.Depurator can be made into portable or fixed all can, can be made into cabinet type, desk-top or pocket according to room-size.
Claims (5)
1. a photocatalysis air purifying device comprises casing (7), base (9), air inlet (3), air outlet (10), and it is characterized in that: described base (9) is provided with blower fan (1); (2b) (2c) (2d) to be disposed with four dividing plate slots (2a) on the described casing (7); Be provided with dust removal and filtration net (4) in the described dividing plate slot (2a); Described dividing plate slot (2b) is provided with photocatalyst plate (5) in (2c), is provided with NACF plate (6) in the described dividing plate slot (2d); Described four dividing plate slots (2a) (2b) (2c) are respectively arranged with two quartz burners (8) between (2d).
2. photocatalysis air purifying device according to claim 1 is characterized in that: described dust removal and filtration net (4) has the metal gauze (23) of nanometer titanium dioxide coating by two area loads and the non-woven fabrics (24) that is filled between two metal gauzes (23) is formed.
3. photocatalysis air purifying device according to claim 1 is characterized in that: described photocatalyst plate (5) has the metal gauze (19) of nanometer titanium dioxide coating by the two layers of surface load and the load that is filled between the described double layer of metal silk screen (19) has the porous expanded perlite granule (20) of nano titanium oxide to be formed.
4. photocatalysis air purifying device according to claim 1 is characterized in that: described NACF plate (6) has the metal gauze (21) of nanometer titanium dioxide coating and the NACF net (21) between the described double layer of metal silk screen (22) to be formed by the two layers of surface load.
5. photocatalysis air purifying device according to claim 1 is characterized in that: the power of described quartz burner (8) is that 8～30W, wavelength are 250～370nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200280770U CN201036630Y (en) | 2006-11-13 | 2006-11-13 | Photocatalysis air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200280770U CN201036630Y (en) | 2006-11-13 | 2006-11-13 | Photocatalysis air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201036630Y true CN201036630Y (en) | 2008-03-19 |
Family
ID=39209136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200280770U Expired - Fee Related CN201036630Y (en) | 2006-11-13 | 2006-11-13 | Photocatalysis air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201036630Y (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009124428A1 (en) * | 2008-04-11 | 2009-10-15 | Chen Hongfeng | A photocatalyst sterilizer with a clo2 sterilizer |
| CN102580649A (en) * | 2012-02-08 | 2012-07-18 | 尹协谦 | Device for photolytically desorbing activated carbon |
| CN103191458A (en) * | 2013-04-24 | 2013-07-10 | 苏州吴盛环保科技有限公司 | Photocatalysis plate of photocatalysis sterilization deodorization device |
| CN103191457A (en) * | 2013-04-24 | 2013-07-10 | 苏州吴盛环保科技有限公司 | Photocatalysis sterilization deodorization device |
| CN104083983A (en) * | 2014-07-21 | 2014-10-08 | 深圳市开天源自动化工程有限公司 | Device and method for decomposing air pollutants by dual-wave-length ultraviolet rays |
| CN104275088A (en) * | 2014-09-24 | 2015-01-14 | 太仓市大友空调设备有限公司 | High-efficiency air purification device |
| CN104329750A (en) * | 2014-09-24 | 2015-02-04 | 太仓市大友空调设备有限公司 | Combined efficient air purification structure |
| CN101711886B (en) * | 2009-09-05 | 2015-04-15 | 魏靖东 | Activated carbon air purifying plate |
| CN105854452A (en) * | 2016-06-15 | 2016-08-17 | 安徽省绿巨人环境技术有限公司 | Air purification device |
| CN105854454A (en) * | 2016-06-15 | 2016-08-17 | 安徽省绿巨人环境技术有限公司 | Air purification mechanism |
| CN106000091A (en) * | 2016-07-06 | 2016-10-12 | 保护伞环保科技成都有限公司 | UV lamp formaldehyde removing device |
| CN106064007A (en) * | 2016-06-15 | 2016-11-02 | 安徽省绿巨人环境技术有限公司 | A kind of air purifier |
| CN106091335A (en) * | 2016-06-15 | 2016-11-09 | 安徽省绿巨人环境技术有限公司 | A kind of outdoor air purifier |
| CN107308738A (en) * | 2017-08-21 | 2017-11-03 | 程相军 | It is a kind of can adsorption cleaning flue dust rapidly clarifier |
| CN108050601A (en) * | 2017-11-24 | 2018-05-18 | 苏州赛易特环保科技有限公司 | A kind of nano photocatalysed air purifier |
| CN108749531A (en) * | 2018-06-11 | 2018-11-06 | 太仓市金毅电子有限公司 | Auto Instrument desk photocatalysis air purifying device |
| CN109758601A (en) * | 2018-12-27 | 2019-05-17 | 浙江大学医学院附属妇产科医院 | A kind of hospital laboratory air sterilizing apparatus |
| CN111229029A (en) * | 2020-02-28 | 2020-06-05 | 佛山市金净创环保技术有限公司 | Photocatalytic fiber air purification device and use method thereof |
| CN113236603A (en) * | 2021-04-27 | 2021-08-10 | 翁玉庆 | Water storage spraying air suction exhaust impeller |
-
2006
- 2006-11-13 CN CNU2006200280770U patent/CN201036630Y/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009124428A1 (en) * | 2008-04-11 | 2009-10-15 | Chen Hongfeng | A photocatalyst sterilizer with a clo2 sterilizer |
| CN101554486B (en) * | 2008-04-11 | 2012-11-14 | 陈红锋 | Photocatalyst sterilizing machine with chlorine dioxide disinfector |
| CN101711886B (en) * | 2009-09-05 | 2015-04-15 | 魏靖东 | Activated carbon air purifying plate |
| CN102580649A (en) * | 2012-02-08 | 2012-07-18 | 尹协谦 | Device for photolytically desorbing activated carbon |
| CN103191458A (en) * | 2013-04-24 | 2013-07-10 | 苏州吴盛环保科技有限公司 | Photocatalysis plate of photocatalysis sterilization deodorization device |
| CN103191457A (en) * | 2013-04-24 | 2013-07-10 | 苏州吴盛环保科技有限公司 | Photocatalysis sterilization deodorization device |
| CN104083983A (en) * | 2014-07-21 | 2014-10-08 | 深圳市开天源自动化工程有限公司 | Device and method for decomposing air pollutants by dual-wave-length ultraviolet rays |
| CN104275088A (en) * | 2014-09-24 | 2015-01-14 | 太仓市大友空调设备有限公司 | High-efficiency air purification device |
| CN104329750A (en) * | 2014-09-24 | 2015-02-04 | 太仓市大友空调设备有限公司 | Combined efficient air purification structure |
| CN105854454A (en) * | 2016-06-15 | 2016-08-17 | 安徽省绿巨人环境技术有限公司 | Air purification mechanism |
| CN105854452A (en) * | 2016-06-15 | 2016-08-17 | 安徽省绿巨人环境技术有限公司 | Air purification device |
| CN106064007A (en) * | 2016-06-15 | 2016-11-02 | 安徽省绿巨人环境技术有限公司 | A kind of air purifier |
| CN106091335A (en) * | 2016-06-15 | 2016-11-09 | 安徽省绿巨人环境技术有限公司 | A kind of outdoor air purifier |
| CN106000091A (en) * | 2016-07-06 | 2016-10-12 | 保护伞环保科技成都有限公司 | UV lamp formaldehyde removing device |
| CN107308738A (en) * | 2017-08-21 | 2017-11-03 | 程相军 | It is a kind of can adsorption cleaning flue dust rapidly clarifier |
| CN108050601A (en) * | 2017-11-24 | 2018-05-18 | 苏州赛易特环保科技有限公司 | A kind of nano photocatalysed air purifier |
| CN108749531A (en) * | 2018-06-11 | 2018-11-06 | 太仓市金毅电子有限公司 | Auto Instrument desk photocatalysis air purifying device |
| CN109758601A (en) * | 2018-12-27 | 2019-05-17 | 浙江大学医学院附属妇产科医院 | A kind of hospital laboratory air sterilizing apparatus |
| CN111229029A (en) * | 2020-02-28 | 2020-06-05 | 佛山市金净创环保技术有限公司 | Photocatalytic fiber air purification device and use method thereof |
| CN113236603A (en) * | 2021-04-27 | 2021-08-10 | 翁玉庆 | Water storage spraying air suction exhaust impeller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Tianjin Nankai Gede Science & Technology Trade Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20091214 |