CN112156650A - Air purification device based on catalytic action - Google Patents
Air purification device based on catalytic action Download PDFInfo
- Publication number
- CN112156650A CN112156650A CN202011029170.4A CN202011029170A CN112156650A CN 112156650 A CN112156650 A CN 112156650A CN 202011029170 A CN202011029170 A CN 202011029170A CN 112156650 A CN112156650 A CN 112156650A
- Authority
- CN
- China
- Prior art keywords
- shell
- purifying
- purification
- base
- ultraviolet lamp
- 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
Links
Images
Classifications
-
- 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
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. 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
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses an air purification device based on catalysis, which comprises a shell, a purification liner, an ultraviolet lamp and a base, wherein the purification liner is arranged in the shell; the shell is fixedly connected to the base, a purification liner limiting part is arranged on the shell and comprises an axial limiting part arranged on the inner side of the top of the shell and a radial limiting part arranged on the inner side of the bottom of the shell, and the shell is of a net structure; the purifying liner comprises a purifying material accommodating cavity and a catalyzing cavity which are sequentially arranged from outside to inside, the purifying material accommodating cavity is filled with purifying material, and the side wall of the purifying material accommodating cavity is of a net structure; the ultraviolet lamp is arranged in the catalysis cavity and is fixedly arranged on the base. The ultraviolet lamp is used for catalyzing the purifying material, so that various purifying factors including free radicals generated by the catalyzing material, including the free radicals, can effectively degrade formaldehyde in the air and inactivate microorganisms in the air.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to an air purification device based on catalysis.
Background
Formaldehyde is generally a flammable, colorless, pungent gas, and is readily soluble in water, alcohols, and ethers, and the volatilization rate of formaldehyde is greatly affected by temperature, with higher temperatures increasing the volatilization rate. In the use of adhesives for parts in home decoration engineering, furniture production and in automobiles, a large part of materials contain formaldehyde, which is slowly released into the environment, the release period is long, although people live in at intervals after decoration, the slowly volatilized formaldehyde does not necessarily cause discomfort in the sense of human bodies, and the harm caused to the human body is latently and silently. The existing formaldehyde removal technology is various, including but not limited to adsorption, enzyme degradation, ionization and the like, but has certain defects, such as saturated adsorption capacity of activated carbon, formaldehyde desorption caused by temperature increase, secondary release and incomplete formaldehyde removal.
In addition, pathogenic microorganisms in the air are an important way to cause cross infection between people, and both spray transmission and aerosol transmission can invisibly cause the transmission of respiratory diseases, and especially in a closed or semi-closed space, the transmission risk is greatly increased. The concentration of pathogenic microorganisms in the air can be diluted by windowing and ventilation, but good ventilation can not be realized in every environment, although the disinfectant spraying can achieve the effect of removing the pathogenic microorganisms in the air, the disinfectant spraying cannot be carried out in the environment of people, and the concentration of the pathogenic microorganisms in the air can also be increased along with the increase of the number of people and the prolonging of time when people enter the disinfectant spraying device.
At present, an air purification device which can efficiently remove formaldehyde and inactivate microorganisms and is harmless to human bodies is still lacking.
Disclosure of Invention
The invention aims to provide an air purification device based on a catalytic effect, which is used for solving the problems in the prior art, can more effectively remove formaldehyde and inactivate microorganisms, is suitable for a space for human activities and is harmless to the health of human bodies.
In order to achieve the purpose, the invention provides the following scheme: the invention provides an air purification device based on catalysis, which comprises a shell, a purification liner, an ultraviolet lamp and a base, wherein the purification liner is arranged in the shell;
the shell is fixedly connected to the base, a purification liner limiting part is arranged on the shell, the purification liner limiting part comprises an axial limiting part arranged on the inner side of the top of the shell and a radial limiting part arranged on the inner side of the bottom of the shell, and the shell is of a net structure;
the purifying liner comprises a purifying material accommodating cavity and a catalyzing cavity which are sequentially arranged from outside to inside, purifying materials are filled in the purifying material accommodating cavity, and the side wall of the purifying material accommodating cavity is of a net structure;
the ultraviolet lamp is arranged in the catalysis cavity, is fixedly arranged on the base and is used for catalyzing the purifying material to enable the purifying material to generate purifying factors.
Preferably, the ultraviolet ray generated by the ultraviolet lamp has a wavelength ranging from 200nm to 280 nm.
Preferably, the purification liner is of a columnar structure, the purification material containing cavity is an annular cavity, and the annular cavity is filled with the purification material.
Preferably, a buffer layer is arranged at the position, opposite to the axial limiting part, of the top of the purification liner.
Preferably, an electronic control unit electrically connected with the ultraviolet lamp is further arranged in the base, the starting frequency of the ultraviolet lamp is preset, and the electronic control unit controls the starting and the stopping of the ultraviolet lamp according to the preset starting frequency.
Preferably, a rechargeable battery is arranged in the base, and a charging port is further arranged on the base.
Preferably, the ultraviolet lamp is replaced with a heating and temperature control device.
Preferably, the casing includes two half netted shells, shell support, two half netted shells joint is in on the shell support, and with shell support fixed connection, the inside top of shell support is provided with the spacing portion of axial, be provided with radial spacing portion on the shell support inner wall.
Preferably, a buckle is arranged at the bottom end of the inner side of the shell support, and a clamping groove matched with the buckle is formed in the outer wall of the base.
The invention also provides a small space air purification device, which comprises the air purification device based on the catalytic action and is applied to the small space.
Compared with the prior art, the invention has the following technical effects:
1. the purifying material is catalyzed by an ultraviolet lamp or a heating and temperature control device (the purifying material can generate a plurality of purifying factors including free radicals under the catalysis of ultraviolet rays, temperature and the like), so that the plurality of purifying factors including the free radicals generated by the catalyzing material, including the free radicals, can effectively degrade formaldehyde in the air and inactivate microorganisms in the air.
2. The purification inner bag outside sets up the casing and protects it, through set up spacing portion on the casing, makes the purification inner bag can directly put into the casing, carries out spacing back through limit structure to it, together installs on the base together with the casing again, in the user use, more convenient, easy operation when changing the purification inner bag. Through the mode, need not alone to fix the purification inner bag on the base, also can guarantee to purify inner bag and ultraviolet lamp's relative position fixed to make the purifying material who purifies in the inner bag can be by ultraviolet lamp uniform irradiation, the catalysis produces the efficiency of purifying the factor higher.
3. The purification material containing cavity is arranged in a ring shape, and the ultraviolet lamp is arranged in the middle of the purification liner, so that the ultraviolet lamp can irradiate all around, and the action range is larger and more uniform; simultaneously, the annular cavity is filled with the purifying material, on one hand, more purifying materials can be utilized to purify air and improve the purifying efficiency in the limited space, on the other hand, the annular cavity is filled with the purifying material, so that ultraviolet rays can be irradiated on the purifying material, and the influence of ultraviolet ray leakage on a human body is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is an exploded view of an air cleaning device;
FIG. 2 is a schematic view of an air purification apparatus;
10, a shell; 11. a housing bracket; 12. a half-shell of mesh; 13. a housing support; 14. an axial limiting part; 20. purifying the inner container; 30. an ultraviolet lamp; 41. an upper base; 42. a lower base; 51. a rectifier; 52. an electronic control unit; 53. a rechargeable battery; 54. and (4) switching.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an air purification device based on a catalytic effect, which is used for solving the problems in the prior art, can more effectively remove formaldehyde and inactivate microorganisms, is suitable for a space for human activities and has no harm to the health of human bodies.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Please refer to fig. 1-2.
Example one
The embodiment provides an air purification device based on catalytic action, which comprises a shell 10, a purification liner 20, an ultraviolet lamp 30 and a base, wherein the base comprises an upper base 41 and a lower base 42;
the shell 10 is fixedly connected to the base, in this embodiment, a clamping groove is arranged on the outer wall of the upper base 41, a buckle is arranged on the lower portion of the inner side wall of the shell 10, after the upper base 41 and the lower base 42 are fixedly connected, the shell 10 is clamped on the upper base 41, meanwhile, most of the upper base 41 is covered in the shell 10, and finally, the shell 10 and the base are fixed into a whole;
the shell 10 is provided with a purification liner limiting part, and the purification liner limiting part comprises an axial limiting part 14 arranged on the inner side of the top of the shell 10 and a radial limiting part arranged on the inner side of the bottom of the shell 10;
the casing 10 is a net structure, which can protect the inner purifying liner 20 and does not obstruct the circulation of air, wherein the net structure may be a full net structure or a partial net structure, the material of the net structure may be plastic or metal, and a metal net with higher strength is preferred in this embodiment;
in this embodiment, the specific structure of the casing 10 is a combination of a mesh structure and a non-mesh structure, and includes two mesh-shaped half shells 12, a non-mesh-shaped casing support 11 and a casing support 13, the casing support 11 is an arched support, the arched support is made of a plastic material, two sides of the arched support are respectively provided with a slot structure, and the two mesh-shaped half shells 12 are clamped in the slot structure of the casing support 11; after the two reticular half shells are connected into a whole through the shell support 11, the two reticular half shells are fixedly connected with the shell support 13 through the clamping structure on the shell support 11, and finally, the integral shell 10 is formed; the top end in the shell bracket 11 is provided with a support plate connected with the shell bracket 11, and the support plate forms an axial limiting part 14; a boss matched with the outer diameter of the purification liner is arranged on the inner wall of the shell support 13, and the boss forms a radial limiting part;
when the purifying liner 20 is installed or replaced, the purifying liner 20 is installed in the shell 10, the purifying liner 20 limits axial movement through the axial limiting part 14, and limits radial movement through the radial limiting part, so that the purifying liner is fixed in the shell 10, then the purifying liner 20 is communicated with the shell 10 and fixedly connected with the base together, not only is the purifying liner 20 well fixed, but also the operation steps are simplified, and the operation of replacing the purifying liner 20 is simpler;
the purifying inner container 20 comprises a purifying material accommodating cavity and a catalyzing cavity which are sequentially arranged from outside to inside, purifying materials are filled in the purifying material accommodating cavity, the side wall of the purifying material accommodating cavity is of a net-shaped structure and comprises one side close to the shell 10 and one side close to the ultraviolet lamp 30, the side close to the shell 10 is of a net-shaped structure to enable air to circulate, and the side close to the ultraviolet lamp 30 is of a net-shaped structure to enable ultraviolet rays to more effectively irradiate the purifying materials in the purifying material accommodating cavity, so that a catalyzing effect is generated on the purifying materials; the mesh structure of the purification liner 20 may be the same as or different from the mesh structure of the casing 10, and the mesh size of the purification liner 20 is preferably the same as the mesh structure of the casing 10;
in this embodiment, the purifying inner container 20 is preferably arranged in a columnar structure, and the boss arranged on the inner wall of the housing support 13 is an annular boss, so that the shape of the boss is matched with that of the purifying inner container 20; the purification material containing cavity is set to be an annular cavity, and the annular cavity is filled with the purification material, so that on one hand, more purification materials can be utilized to purify air in a limited space and the purification efficiency is improved, on the other hand, the annular cavity is filled with the purification material, so that ultraviolet rays are irradiated onto the purification material and blocked by the purification material, and the influence of ultraviolet ray leakage on a human body is avoided;
Further, the wavelength range of the ultraviolet rays generated by the ultraviolet lamp 30 in this embodiment is 200nm to 280 nm.
Furthermore, a buffer layer is arranged at the top of the purifying inner container 20 and at a position opposite to the axial limiting part 14 on the casing 10, the buffer layer can be made of rubber, sponge and other elastic materials, in this embodiment, the buffer layer is preferably made of sponge, so as to avoid damage to the casing 10 or the purifying inner container 20 due to hard collision between the casing 10 and the purifying inner container 20 during installation.
Further, an electronic control unit 52 electrically connected with the ultraviolet lamp 30 is further arranged in the base, the starting frequency of the ultraviolet lamp 30 is preset, and the electronic control unit 52 controls the starting and the stopping of the ultraviolet lamp 30 according to the preset starting frequency, so that the ultraviolet lamp 30 can perform regular catalysis on the purification material. The control unit is disposed inside the base, and is isolated from the ultraviolet lamp 30 by the upper base 41, thereby preventing the ultraviolet rays from affecting the control unit.
Furthermore, a rechargeable battery 53 is arranged in the base, and a charging port is also arranged on the base. Of course, the rechargeable battery 53 may be replaced with a normal battery or directly connected to an ac power source. In this embodiment, a rectifier 51 for converting ac power into dc power is further provided inside the base.
Further, a switch 54 is disposed on the base for turning on and off the air purification device, in this embodiment, the switch 54 is circular and is installed at the bottom of the base.
Further, the ultraviolet lamp 30 in this embodiment may be replaced with a heating and temperature control device, and the temperature control device is preferably a low-temperature ceramic temperature control device, and can catalyze the purification material by adjusting to a suitable temperature, so as to enable the purification material to generate a plurality of purification factors including free radicals.
Example two
The embodiment provides a small space air purification device, which comprises the catalytic action-based air purification device in the first embodiment, and is applied to closed or semi-closed narrow spaces such as an automobile compartment, a biological safety cabinet, a cabinet body, a box body and a drawer; especially in the carriage, pathogenic microorganisms in the air can be continuously killed, cross infection is prevented, and the health of personnel in the carriage is protected; the air purification device in the embodiment has the advantages of small volume, light weight, easy carrying and high purification efficiency, and is suitable for air purification of various small spaces.
The adaptation according to the actual needs is within the scope of the invention.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. An air purification device based on catalysis, which is characterized in that: comprises a shell, a purifying liner, an ultraviolet lamp and a base;
the shell is fixedly connected to the base, a purification liner limiting part is arranged on the shell, the purification liner limiting part comprises an axial limiting part arranged on the inner side of the top of the shell and a radial limiting part arranged on the inner side of the bottom of the shell, and the shell is of a net structure;
the purifying liner comprises a purifying material accommodating cavity and a catalyzing cavity which are sequentially arranged from outside to inside, purifying materials are filled in the purifying material accommodating cavity, and the side wall of the purifying material accommodating cavity is of a net structure;
the ultraviolet lamp is arranged in the catalysis cavity, is fixedly arranged on the base and is used for catalyzing the purifying material to enable the purifying material to generate purifying factors.
2. A catalytic based air cleaning device according to claim 1, characterized in that: the wavelength range of the ultraviolet rays generated by the ultraviolet lamp is 200 nm-280 nm.
3. A catalytic based air cleaning device according to claim 1, characterized in that: the purification inner container is of a columnar structure, the purification material containing cavity is an annular cavity, and the annular cavity is filled with the purification material.
4. A catalytic based air cleaning device according to claim 3, wherein: and a buffer layer is arranged at the position, opposite to the axial limiting part, of the top of the purification liner.
5. A catalytic based air cleaning device according to claim 1, characterized in that: an electric control unit electrically connected with the ultraviolet lamp is further arranged in the base, the starting frequency of the ultraviolet lamp is preset, and the electric control unit controls the opening and closing of the ultraviolet lamp according to the preset starting frequency.
6. A catalytic based air cleaning device according to claim 5, characterized in that: the base is internally provided with a rechargeable battery, and the base is also provided with a charging port.
7. A catalytic based air cleaning device according to any of claims 1, 3-6, characterized in that: the ultraviolet lamp is replaced by a heating and temperature control device.
8. A catalytic based air cleaning device according to claim 1, characterized in that: the casing includes two netted half shells, casing support, two netted half shell joint is in on the casing support, and with casing support fixed connection, the inside top of casing support is provided with the spacing portion of axial, be provided with radial spacing portion on the casing support inner wall.
9. A catalytic based air cleaning device according to claim 8, wherein: the bottom of the inner side of the shell support is provided with a buckle, and the outer wall of the base is provided with a clamping groove matched with the buckle.
10. The utility model provides a little space air purification device which characterized in that: comprising a catalytic based air cleaning device according to any of claims 1-9, for use in a small space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011029170.4A CN112156650A (en) | 2020-09-27 | 2020-09-27 | Air purification device based on catalytic action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011029170.4A CN112156650A (en) | 2020-09-27 | 2020-09-27 | Air purification device based on catalytic action |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112156650A true CN112156650A (en) | 2021-01-01 |
Family
ID=73864226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011029170.4A Pending CN112156650A (en) | 2020-09-27 | 2020-09-27 | Air purification device based on catalytic action |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112156650A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000279761A (en) * | 1999-03-30 | 2000-10-10 | Mitsubishi Paper Mills Ltd | Method for cleaning air |
| CN2628310Y (en) * | 2003-06-04 | 2004-07-28 | 南海市华星光电实业有限公司 | Vehicle air purifier |
| CN202961288U (en) * | 2012-12-20 | 2013-06-05 | 上海有容环境科技有限公司 | Ion type air purifying device |
| CN205570099U (en) * | 2016-04-25 | 2016-09-14 | 深圳市前海大众鑫环保科技有限公司 | Remove formaldehyde air purification device |
| CN207533056U (en) * | 2017-10-18 | 2018-06-26 | 天津大学 | A kind of photocatalysis air cleaning device for containing three layers of socket type structure |
| CN108458415A (en) * | 2018-02-02 | 2018-08-28 | 晖保智能科技（上海）有限公司 | A kind of ultraviolet light and TiO2Photocatalyst is combined the air cleaning unit and its purification method of sterilizing |
| CN208356514U (en) * | 2018-05-18 | 2019-01-11 | 金华职业技术学院 | A kind of tandem purifying indoor formaldehyde device |
| CN109340952A (en) * | 2018-12-19 | 2019-02-15 | 江苏心日源建筑节能科技股份有限公司 | Air purifier |
| CN111425962A (en) * | 2020-04-27 | 2020-07-17 | 彭守梅 | Light energy purification module and air purification system |
-
2020
- 2020-09-27 CN CN202011029170.4A patent/CN112156650A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000279761A (en) * | 1999-03-30 | 2000-10-10 | Mitsubishi Paper Mills Ltd | Method for cleaning air |
| CN2628310Y (en) * | 2003-06-04 | 2004-07-28 | 南海市华星光电实业有限公司 | Vehicle air purifier |
| CN202961288U (en) * | 2012-12-20 | 2013-06-05 | 上海有容环境科技有限公司 | Ion type air purifying device |
| CN205570099U (en) * | 2016-04-25 | 2016-09-14 | 深圳市前海大众鑫环保科技有限公司 | Remove formaldehyde air purification device |
| CN207533056U (en) * | 2017-10-18 | 2018-06-26 | 天津大学 | A kind of photocatalysis air cleaning device for containing three layers of socket type structure |
| CN108458415A (en) * | 2018-02-02 | 2018-08-28 | 晖保智能科技（上海）有限公司 | A kind of ultraviolet light and TiO2Photocatalyst is combined the air cleaning unit and its purification method of sterilizing |
| CN208356514U (en) * | 2018-05-18 | 2019-01-11 | 金华职业技术学院 | A kind of tandem purifying indoor formaldehyde device |
| CN109340952A (en) * | 2018-12-19 | 2019-02-15 | 江苏心日源建筑节能科技股份有限公司 | Air purifier |
| CN111425962A (en) * | 2020-04-27 | 2020-07-17 | 彭守梅 | Light energy purification module and air purification system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206131194U (en) | Novel negative ion purifier | |
| CN111109715A (en) | LED ultraviolet self-disinfection mask | |
| CN202902502U (en) | 360-degree optical hydrogen ion air cleaner | |
| CN112156650A (en) | Air purification device based on catalytic action | |
| CN212511553U (en) | Purifier for indoor air purification and disinfection | |
| CN208839371U (en) | A kind of ultraviolet ray photocatalyst deodoriser | |
| CN217031295U (en) | Purification device and range hood | |
| CN203132067U (en) | Sterilization and disinfection device of air conditioner air vent | |
| CN213076753U (en) | Small-space sterilizing and deodorizing purification device | |
| CN213146879U (en) | UV-C and photocatalysis combined air purifier | |
| CN211600935U (en) | Small-size air sterilization clarifier | |
| CN209783085U (en) | Fresh-keeping degerming odour removal device of photocatalyst | |
| CN111514361A (en) | Plasma sterilizer | |
| CN211204280U (en) | Portable photocatalyst air purification instrument | |
| CN209639170U (en) | Air cleaning decontamination equipment | |
| CN202715066U (en) | Ceiling embedded plasma purification sterilizer | |
| CN218179159U (en) | A disinfection subassembly that disinfects for air purification equipment | |
| CN214435583U (en) | Multi-scene purifying sterilizer | |
| CN210992031U (en) | Low-temperature plasma air disinfection cleaner capable of being used in naval vessels and cabins | |
| JP5409151B2 (en) | Air purification / drying method and apparatus | |
| CN213158110U (en) | Plasma sterilizer | |
| CN213901396U (en) | Intelligence air purification device for house | |
| CN211886239U (en) | Sterilization and odor removal device utilizing photocatalysis in air duct | |
| CN210673861U (en) | Portable formaldehyde-removing, sterilizing and odor-removing device applied in multiple occasions | |
| CN211301341U (en) | Ultraviolet LED sterilizing device for sterilizing and deodorizing intelligent closestool |
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 |