CN116608630A - Sterilizing and deodorizing device, equipment and method - Google Patents
Sterilizing and deodorizing device, equipment and method Download PDFInfo
- Publication number
- CN116608630A CN116608630A CN202310672310.7A CN202310672310A CN116608630A CN 116608630 A CN116608630 A CN 116608630A CN 202310672310 A CN202310672310 A CN 202310672310A CN 116608630 A CN116608630 A CN 116608630A
- Authority
- CN
- China
- Prior art keywords
- sterilizing
- photocatalyst
- light source
- deodorizing device
- unit
- 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
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 179
- 230000001877 deodorizing effect Effects 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000011941 photocatalyst Substances 0.000 claims abstract description 156
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 66
- 239000000126 substance Substances 0.000 claims abstract description 50
- 239000007789 gas Substances 0.000 claims description 45
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 41
- 239000004408 titanium dioxide Substances 0.000 claims description 20
- 230000001699 photocatalysis Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 8
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 206010034972 Photosensitivity reaction Diseases 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 229940073609 bismuth oxychloride Drugs 0.000 claims description 4
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(III) oxide Inorganic materials O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 4
- 239000013310 covalent-organic framework Substances 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000012621 metal-organic framework Substances 0.000 claims description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 4
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 4
- OZKCXDPUSFUPRJ-UHFFFAOYSA-N oxobismuth;hydrobromide Chemical compound Br.[Bi]=O OZKCXDPUSFUPRJ-UHFFFAOYSA-N 0.000 claims description 4
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 claims description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 4
- 229910001887 tin oxide Inorganic materials 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- 230000002950 deficient Effects 0.000 claims description 3
- 230000000844 anti-bacterial effect Effects 0.000 claims 1
- 239000003899 bactericide agent Substances 0.000 claims 1
- 229940036348 bismuth carbonate Drugs 0.000 claims 1
- 239000000969 carrier Substances 0.000 claims 1
- GMZOPRQQINFLPQ-UHFFFAOYSA-H dibismuth;tricarbonate Chemical compound [Bi+3].[Bi+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GMZOPRQQINFLPQ-UHFFFAOYSA-H 0.000 claims 1
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 238000013032 photocatalytic reaction Methods 0.000 abstract description 5
- 238000004332 deodorization Methods 0.000 description 11
- 244000005700 microbiome Species 0.000 description 10
- 239000000919 ceramic Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000036632 reaction speed Effects 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000004964 aerogel Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 4
- CBACFHTXHGHTMH-UHFFFAOYSA-N 2-piperidin-1-ylethyl 2-phenyl-2-piperidin-1-ylacetate;dihydrochloride Chemical compound Cl.Cl.C1CCCCN1C(C=1C=CC=CC=1)C(=O)OCCN1CCCCC1 CBACFHTXHGHTMH-UHFFFAOYSA-N 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 210000000170 cell membrane Anatomy 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000003574 free electron Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 3
- 230000009965 odorless effect Effects 0.000 description 3
- 229910000014 Bismuth subcarbonate Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- FWIZHMQARNODNX-UHFFFAOYSA-L dibismuth;oxygen(2-);carbonate Chemical compound [O-2].[O-2].[Bi+3].[Bi+3].[O-]C([O-])=O FWIZHMQARNODNX-UHFFFAOYSA-L 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 239000000017 hydrogel Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- GACUIHAEKGVEIC-UHFFFAOYSA-L [Bi+2]=O.C([O-])([O-])=O Chemical compound [Bi+2]=O.C([O-])([O-])=O GACUIHAEKGVEIC-UHFFFAOYSA-L 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The application provides a sterilizing and deodorizing device, equipment and a method, which relate to the technical field of sterilization, wherein the sterilizing and deodorizing device is provided with an air passage, the air passage comprises an air inlet end and an air outlet end, the sterilizing and deodorizing device further comprises a first photocatalyst unit, a first light source, a second photocatalyst unit, a third photocatalyst unit and a second light source which are sequentially arranged on the air passage from the air inlet end to the air outlet end, the first light source is used for exciting the first photocatalyst unit and the second photocatalyst unit to release sterilizing substances, and the second light source is used for exciting the third photocatalyst unit to release the sterilizing substances. The sterilizing and deodorizing device generates sterilizing substances through three photocatalytic reactions, realizes efficient sterilizing and deodorizing of the peculiar smell gas, and fresh gas after sterilizing and deodorizing and the generated sterilizing substances flow to a sterilizing space, so that the gas in the sterilizing space is effectively sterilized and deodorized through gas circulation.
Description
Technical Field
The application relates to the technical field of sterilization, in particular to a sterilization and odor removal device, a sterilization and odor removal equipment and a sterilization and odor removal method.
Background
The refrigerator is easy to bring in or breed microorganisms and generate peculiar smell due to the complex food stored, and the food fresh-keeping effect is affected. The existing sterilization and odor removal technology of the refrigerator is mainly divided into a physical mode, a chemical mode and a biological mode, wherein the physical mode is mainly used. The physical mode mainly comprises photocatalysis sterilization, plasma sterilization, anion sterilization, ultraviolet sterilization, ozone sterilization, silver ion sterilization and the like, wherein the photocatalysis sterilization has better application prospect. However, photocatalytic sterilization still has the following problems: the semiconductor photosensitive material in the traditional photocatalyst has wider bandwidth, can only respond to ultraviolet light, and is difficult to respond to visible light with longer wavelength, so that the cost is higher; the photo-generated electrons and holes generated after the semiconductor photosensitive material is responded are easily recombined, resulting in poor sterilizing and deodorizing effects.
The existing sterilization and odor removal technology still cannot meet the requirements of users, and the sterilization and odor removal effect needs to be further improved.
Disclosure of Invention
In view of the above, the present application provides a sterilizing and deodorizing device, apparatus and method for improving sterilizing and deodorizing effects.
The technical scheme adopted by the application for solving the technical problems is as follows:
in a first aspect, the present application provides a sterilizing and deodorizing device, where the sterilizing and deodorizing device has an air passage, the air passage includes an air inlet end and an air outlet end, the sterilizing and deodorizing device further includes a first photocatalyst unit, a first light source, a second photocatalyst unit, a third photocatalyst unit, and a second light source sequentially disposed on the air passage from the air inlet end to the air outlet end, the first light source is used to excite the first photocatalyst unit and the second photocatalyst unit to release sterilizing substances, and the second light source is used to excite the third photocatalyst unit to release sterilizing substances.
Optionally, in some embodiments of the present application, the first photocatalyst unit includes a first photocatalyst carrier and a first photocatalyst attached to the first photocatalyst carrier, the second photocatalyst unit includes a second photocatalyst carrier and a second photocatalyst attached to the second photocatalyst carrier, the third photocatalyst unit includes a third photocatalyst carrier and a third photocatalyst attached to the third photocatalyst carrier, the first light source excites the first photocatalyst and the second photocatalyst to release a sterilizing substance, and the second light source excites the third photocatalyst to release a sterilizing substance.
Optionally, in some embodiments of the present application, the first photocatalyst carrier and the second photocatalyst carrier have porous structures, and a specific surface area of the second photocatalyst carrier is greater than a specific surface area of the first photocatalyst carrier.
Optionally, in some embodiments of the present application, the porous structure of the first photocatalyst carrier is a through structure, and the porous structure of the second photocatalyst carrier is a three-dimensional space network structure.
Optionally, in some embodiments of the present disclosure, the first photocatalyst and the second photocatalyst respectively include one or more of titanium dioxide, tungsten trioxide, tin oxide, zirconium dioxide, manganese oxide, ferric oxide, nitrogen-doped titanium dioxide, sulfur-doped titanium dioxide, oxygen-defective titanium dioxide, graphene-doped carbon nitride, photosensitized titanium dioxide, bismuth trioxide, bismuth oxychloride, bismuth oxide carbonate, bismuth oxybromide, bismuth oxyiodide, and zinc oxide; and/or
The third photocatalyst comprises a covalent organic framework material and/or a metal organic framework material.
Optionally, in some embodiments of the present application, the first light source is an ultraviolet light source, and the second light source is a blue light source.
Optionally, in some embodiments of the application, the sterilizing material includes holes, hydroxyl radicals, and superoxide radicals.
Optionally, in some embodiments of the present application, the sterilizing and deodorizing device includes a housing, the housing defines the air passage, and portions of the housing corresponding to the air inlet end and the air outlet end are all configured as a grid hollow structure.
In a second aspect, the present application further provides a sterilizing and deodorizing device, where the sterilizing and deodorizing device includes a fan and the sterilizing and deodorizing device, and the fan is disposed opposite to the sterilizing and deodorizing device, and is configured to accelerate air to be sterilized and deodorized to flow through the sterilizing and deodorizing device.
In a third aspect, the present application further provides a sterilization and odor removal method, which is applied to a control unit of the sterilization and odor removal device, where the control unit is in signal connection with the fan, the first light source and the second light source, and the sterilization and odor removal method includes:
controlling the fan to be started, so that the gas to be sterilized and odorized enters the sterilizing and odorizing device from the air inlet end;
the first light source is controlled to be turned on, so that the emergent light of the first light source excites the first photocatalyst unit and the second photocatalyst unit to release sterilizing substances so as to sterilize and smell the gas to be sterilized and smell-removed;
and controlling the second light source to be turned on, so that the emergent light of the second light source excites the third photocatalyst unit to release sterilizing substances, and further sterilizing and deodorizing the gas flowing out of the second photocatalyst unit.
In summary, due to the adoption of the technical scheme, the application at least comprises the following beneficial effects:
according to the sterilizing and deodorizing device, the first light source excites the first photocatalyst unit and the second photocatalyst unit, the second light source excites the third photocatalyst unit, free electrons and holes are generated through photocatalytic reaction, the electrons and the holes react with oxygen and water to generate superoxide radicals and hydroxyl radicals, the free radicals combine with the holes to decompose odor substances in the gas into odorless substances, carbon dioxide, water and the like, and meanwhile, the superoxide radicals and the hydroxyl radicals can penetrate through bacterial cell walls to damage cell membrane substances, so that bacteria are killed. The gas is subjected to primary sterilization in the first photocatalyst unit for removing peculiar smell substances and partial microorganisms which have high chemical reaction speed and are easy to decompose; then the second photo-catalytic unit is used for performing second sterilization, further performing photo-catalytic sterilization and odor removal reaction, and then the third photo-catalytic unit is used for performing third deep sterilization, thoroughly removing odor substances which are slow in reaction speed, stubborn and difficult to decompose, realizing efficient sterilization and odor removal through three times of photo-catalysis, enabling fresh gas after sterilization and odor removal and generated sterilization substances to flow to a sterilization space, and effectively sterilizing and purifying the gas in the sterilization space through gas circulation, so that the sterilization and odor removal effect is improved.
Drawings
For a clearer description of an embodiment of the application, reference will be made to the accompanying drawings of embodiments, which are given for clarity, wherein:
fig. 1 is a schematic structural diagram of a sterilizing and deodorizing device according to an embodiment of the present application;
fig. 2 is a flowchart of a sterilization and odor removal method according to an embodiment of the present application.
1-a sterilizing and deodorizing device; 10-a housing; 101-an air inlet end; 102-an air outlet end; 20-a first photocatalyst unit; 30-a first light source; 40-a second photocatalyst unit; 50-a third photocatalyst unit; 60-a second light source; 2-a fan.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
In the description of the present application, it should be understood that the words "first" and "second" are used for descriptive purposes only and are not to be interpreted as indicating or implying a relative importance or number of features in which such is indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the present application, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as exemplary in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles disclosed herein.
Referring to fig. 1, the present application provides a sterilizing and deodorizing device 1, wherein the sterilizing and deodorizing device 1 has an air passage, the air passage includes an air inlet end 101 and an air outlet end 102, the sterilizing and deodorizing device 1 further includes a first photocatalyst unit 20, a first light source 30, a second photocatalyst unit 40, a third photocatalyst unit 50 and a second light source 60 sequentially disposed on the air passage from the air inlet end 101 to the air outlet end 102, the first light source 30 is used for exciting the first photocatalyst unit 20 and the second photocatalyst unit 40 to release sterilizing substances, and the second light source 60 is used for exciting the third photocatalyst unit 50 to release sterilizing substances.
The gas enters the sterilizing and deodorizing device 1 from the air inlet end 101, the first light source 30 excites the first photocatalyst unit 20 and the second photocatalyst unit 40, the second light source 60 excites the third photocatalyst unit 50, sterilizing substances are generated to sterilize the gas, fresh gas is obtained, and the fresh gas and the sterilizing substances flow to the sterilizing space through the air outlet end 102.
It can be understood that the sterilizing space is a space requiring sterilization and odor removal, and the sterilizing space is easy to be brought into microorganisms and generate other odor due to the storage of objects, the odor flows to the sterilizing and odor removing device 1 through airflow, and flows into the sterilizing space through circulation after gas sterilization and purification, and meanwhile, sterilizing substances generated in the sterilizing and odor removing device 1 can enter the sterilizing space along with purified gas to sterilize and purify the newly generated odor in the sterilizing space. For example, when the sterilizing and deodorizing device 1 is applied to a refrigerator, the sterilizing and deodorizing device 1 may be disposed in an air duct of the refrigerator, and the sterilizing space is a refrigerating chamber of the refrigerator.
According to the sterilizing and deodorizing device 1 provided by the application, the first light source 30 excites the first photocatalyst unit 20 and the second photocatalyst unit 40, the second light source 60 excites the third photocatalyst unit 50, free electrons and holes are generated through photocatalytic reaction, the electrons and the holes react with oxygen and water to generate superoxide radicals and hydroxyl radicals, the free radicals and the holes are combined together to decompose odor substances in gas into odorless substances, carbon dioxide, water and the like, and meanwhile, the superoxide radicals and the hydroxyl radicals can penetrate through bacterial cell walls to damage cell membrane substances, so that bacteria are killed. The gas undergoes primary sterilization in the first photocatalyst unit 20 to remove the odor substances and partial microorganisms which have high chemical reaction speed and are easy to decompose; then, the second photo-catalytic unit 40 performs the second sterilization, further performs the photo-catalytic sterilization and deodorization reaction, and then the third photo-catalytic unit 50 performs the third deep sterilization to thoroughly sterilize the peculiar smell substances which are slow in reaction speed, stubborn and difficult to decompose, and the efficient sterilization and deodorization is realized through three times of photo-catalysis, the fresh gas after sterilization and deodorization and the generated sterilization substances flow to the sterilization space, and the gas in the sterilization space is effectively sterilized and purified through gas circulation, so that the sterilization and deodorization effect is improved.
In some embodiments, the sterilizing and deodorizing device 1 includes a housing 10, the housing 10 defines an air passage, and portions of the housing 10 corresponding to the air inlet end 101 and the air outlet end 102 are all configured as a grid hollow structure. It can be understood that the hollow structure of the grid is convenient for gas circulation, the air inlet end 101 can realize the entry of original odor substances and microorganisms in the sterilization space, the air outlet end 102 is used for realizing the outflow of fresh air and conveying the sterilization substances generated in the sterilization and odor removal device 1 to the sterilization space for sterilization and odor removal.
In some embodiments, the first photocatalyst unit 20 includes a first photocatalyst carrier and a first photocatalyst attached to the first photocatalyst carrier, and the first light source 30 excites the first photocatalyst to release the sterilizing material.
In some embodiments, the first photocatalyst carrier has a porous structure.
In some embodiments, the first photocatalyst carrier has a mesh number of 100 to 300 mesh, for example, 110 to 280 mesh, 120 to 260 mesh, 130 to 240 mesh, 150 to 220 mesh, 180 to 200 mesh, etc. Within the mesh range, the first light source 30 can activate the first photocatalyst to generate a sterilizing substance for sterilizing and deodorizing.
In some embodiments, the porous structure of the first photocatalyst carrier is a through structure. The through structure can make the gas flow through the first photocatalyst unit 20 in a laminar flow manner, in other words, when the gas passes through the first photocatalyst unit 20, the gas entering from the air inlet end 101 flows in layers and is not mixed with each other, because the retention time of the odor gas and the microorganism in the first photocatalyst unit 20 is short, the chemical reaction speed is mainly fast, and the odor substances and partial microorganisms which are easy to decompose are removed.
In some embodiments, the first photocatalyst carrier comprises a honeycomb ceramic, a foamed nickel, a foamed copper, a foamed iron, a glass fiber, a polyester fiber, an aerogel, a flexible aerogel, and a hydrogel.
In some embodiments, the first photocatalyst comprises one or more of titanium dioxide, tungsten trioxide, tin oxide, zirconium dioxide, manganese oxide, ferric oxide, nitrogen doped titanium dioxide, sulfur doped titanium dioxide, oxygen deficient titanium dioxide, graphene doped carbon nitride, photosensitized titanium dioxide, bismuth trioxide, bismuth oxychloride, bismuth oxycarbonate, bismuth oxybromide, bismuth oxyiodide, zinc oxide. In some embodiments, the second photocatalyst unit 40 includes a second photocatalyst carrier and a second photocatalyst attached to the second photocatalyst carrier, and the first light source 30 excites the first photocatalyst to release the sterilizing material.
In some embodiments, the second photocatalyst carrier has a porous structure.
In some embodiments, the specific surface area of the second photocatalyst carrier is greater than the specific surface area of the first photocatalyst carrier. Therefore, the residence time of the gas in the second photocatalyst carrier is longer than that in the first photocatalyst carrier, which is favorable for the contact of the gas and the second photocatalyst and effective sterilization and odor removal.
In some embodiments, the porous structure of the second photocatalyst carrier is a spatial network structure. The space network structure can make the gas entering from the air inlet end flow through the second photocatalyst unit 40 in a turbulent flow mode, in other words, when the gas passes through the second photocatalyst unit 40, the streamline of the gas is not clearly distinguished any more, a plurality of small eddies exist in the flow field of the gas, and the turbulent flow is beneficial to the gas to be fully contacted with the second photocatalyst, because the time that the odor gas and the microorganism stay in the second photocatalyst unit 40 is longer than the time in the first photocatalyst unit 20, the effective sterilization and the odor removal can be further carried out.
In some embodiments, the second photocatalyst carrier comprises a honeycomb ceramic, a foamed nickel, a foamed copper, a foamed iron, a glass fiber, a polyester fiber, an aerogel, a flexible aerogel, and a hydrogel.
In some embodiments, the second photocatalyst comprises one or more of titanium dioxide, tungsten trioxide, tin oxide, zirconium dioxide, manganese oxide, ferric oxide, nitrogen doped titanium dioxide, sulfur doped titanium dioxide, oxygen deficient titanium dioxide, graphene doped carbon nitride, photosensitized titanium dioxide, bismuth trioxide, bismuth oxychloride, bismuth oxycarbonate, bismuth oxybromide, bismuth oxyiodide, zinc oxide.
In at least one embodiment, the first photocatalyst and the second photocatalyst are anatase titanium dioxide.
In at least one embodiment, the first photocatalyst carrier is a honeycomb ceramic and the second photocatalyst carrier is a foam ceramic. The foam ceramic has a higher specific surface area and a three-dimensional network structure than that of the honeycomb ceramic, the first light source 30 activates the second photocatalyst to generate sterilizing substances, and the odorous gas and the microorganism stay in the foam ceramic of the second photocatalyst carrier for a longer time than that on the honeycomb ceramic of the first photocatalyst carrier, so that the effective sterilization and odor removal can be further carried out. In addition, the foamed ceramic can shield ultraviolet rays, and when the first light source 30 is ultraviolet rays, damage of the ultraviolet rays to a human body can be prevented.
In some embodiments, the third photocatalyst unit 50 includes a third photocatalyst carrier and a third photocatalyst attached to the third photocatalyst carrier. The second light source 60 excites the third photocatalyst to release the sterilizing material.
In some embodiments, the material of the third photocatalyst comprises a covalent organic framework material and/or a metal organic framework material. The covalent organic framework material and/or the metal organic framework material has the characteristics of large specific surface area, multiple holes and uniformly dispersed activation centers, and is easier to excite by lamplight, and the third photocatalyst is excited by the second light source 60 to generate a sterilizing substance for sterilizing and deodorizing.
In some embodiments, the first light source 30 may be an ultraviolet light source and/or a visible light source. The ultraviolet light is light having a wavelength of 250 to 420nm, and the visible light is light having a wavelength of 400 to 800 nm. The visible light may include red light, orange light, yellow light, blue light, cyan light, blue light and violet light, and various visible light-compounded white lights, the wavelengths of the red light, orange light, yellow light, blue light, cyan light, blue light and violet light decrease in sequence and the frequencies increase in sequence, i.e., the wavelength of the red light is greater than the wavelength of the violet light, and the frequency of the red light is less than the frequency of the violet light. The first light source 30 can excite the first photocatalyst unit 20 and the second photocatalyst unit 40 to generate sterilizing substances, thereby realizing a sterilizing effect.
In some embodiments, the second light source 60 may be an ultraviolet light source and/or a visible light source. The ultraviolet light is light having a wavelength of 250 to 420nm, and the visible light is light having a wavelength of 400 to 800 nm. The visible light may include red light, orange light, yellow light, blue light, cyan light, blue light and violet light, and various visible light-compounded white lights, the wavelengths of the red light, orange light, yellow light, blue light, cyan light, blue light and violet light decrease in sequence and the frequencies increase in sequence, i.e., the wavelength of the red light is greater than the wavelength of the violet light, and the frequency of the red light is less than the frequency of the violet light. The second light source 60 can excite the third photocatalyst to generate sterilizing substances, thereby realizing the sterilizing effect.
In at least one embodiment, the first light source 30 is an ultraviolet light source and the second light source 60 is a blue light source. The wavelength range of the blue light is 450-500 nm, on one hand, the blue light source can trigger the photocatalytic reaction of the third photocatalyst unit 50 so as to sterilize; on the other hand, the second light source 60 may be used to achieve illumination; in addition, the light with the wavelength range of 450-500 nm is a beneficial light source, the human body biological clock can be adjusted, the user can keep awake in daytime, and the user can be promoted to sleep at night.
In some embodiments, the biocidal material comprises holes, hydroxyl radicals, superoxide radicals.
Correspondingly, the embodiment of the application also provides a sterilizing and deodorizing device, which comprises the sterilizing and deodorizing device 1.
In some embodiments, the sterilizing and deodorizing device further comprises a fan 2, wherein the fan 2 is arranged opposite to the sterilizing and deodorizing device 1 and is used for enabling air to be sterilized and deodorized to flow through the sterilizing and deodorizing device 1 in an accelerating way. It will be appreciated that the fan 2 may be disposed within the sterilizing and deodorizing device 1. Illustratively, in an embodiment, the blower 2 may be disposed between the second photocatalyst unit 40 and the third photocatalyst unit 50; in yet another embodiment, the fan 2 is disposed between the air inlet end 101 and the first photocatalyst unit 20; in yet another embodiment, the fan 2 is disposed between the first light source 30 and the second photocatalyst unit 40, and in yet another embodiment, the fan 2 is disposed between the third photocatalyst unit 50 and the air outlet end 102. The fan 2 can promote the flow of gas in the sterilizing and deodorizing device 1 and prevent the multi-layer photocatalyst unit from causing wind resistance, thereby influencing the sterilizing effect.
In some embodiments, the sterilizing and deodorizing device comprises a wind tunnel, and the sterilizing and deodorizing device 1 may be disposed in the wind tunnel.
In some embodiments, the sterilizing and deodorizing device comprises a refrigerator, an air conditioner, an air cleaner, a fresh air blower, a dust collector, a dehumidifier, a dryer, a clothes dryer, a fan heater.
Correspondingly, referring to fig. 2, the embodiment of the present application further provides a sterilization and deodorization method, where the sterilization and deodorization method is applied to the control unit of the sterilization and deodorization device, and the control unit is connected with the fan 2, the first light source 30 and the second light source 60 in a signal manner, and the sterilization and deodorization method includes:
s11, controlling the fan 2 to be started, so that the gas to be sterilized and odorized enters the sterilizing and odorizing device 1 from the air inlet end 101;
s12, controlling the first light source 30 to be turned on, so that the emergent light of the first light source 30 excites the first photocatalyst unit 20 and the second photocatalyst unit 40 to release sterilizing substances so as to sterilize and deodorize the gas to be sterilized and deodorized;
s13, controlling the second light source 60 to be turned on, so that the emergent light of the second light source 60 excites the third photocatalyst unit 50 to release the sterilizing substance, so as to further sterilize and deodorize the gas flowing out from the second photocatalyst unit 40.
It will be appreciated that the control unit may be a component of the sterilizing and deodorizing device or may be a structure independent of sterilizing and deodorizing.
According to the sterilization and odor removal method, the first light source 30 excites the first photocatalyst unit 20 and the second photocatalyst unit 40, the second light source 60 excites the third photocatalyst unit 50, free electrons and holes are generated through photocatalytic reaction, the electrons and the holes react with oxygen and water to generate superoxide radicals and hydroxyl radicals, the free radicals combine with the holes to jointly decompose odor substances in gas into odorless substances, carbon dioxide, water and the like, and meanwhile, the superoxide radicals and the hydroxyl radicals can penetrate through bacterial cell walls to damage cell membrane substances, so that bacteria are killed. The gas undergoes primary sterilization in the first photocatalyst unit 20 to remove the odor substances and partial microorganisms which have high chemical reaction speed and are easy to decompose; then, the second photo-catalytic unit 40 performs the second sterilization, further performs the photo-catalytic sterilization and deodorization reaction, and then performs the third deep sterilization at the third photo-catalytic unit 50, thoroughly removes the odor substances which are slow in reaction speed, stubborn and difficult to decompose, realizes the efficient sterilization and deodorization through the three photo-catalytic processes, and the fresh gas after sterilization and the generated sterilization substances flow to the sterilization space, effectively sterilize and purify the gas in the sterilization space through gas circulation, and improves the sterilization and deodorization effect.
While the basic concepts have been described above, it will be apparent to those skilled in the art that the foregoing detailed disclosure is by way of example only and is not intended to be limiting. Although not explicitly described herein, various modifications, improvements and adaptations of the application may occur to one skilled in the art. Such modifications, improvements, and modifications are intended to be suggested within the present disclosure, and therefore, such modifications, improvements, and adaptations are intended to be within the spirit and scope of the exemplary embodiments of the present disclosure.
Meanwhile, the present application uses specific words to describe embodiments of the present application. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic is associated with at least one embodiment of the application. Thus, it should be emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various positions in this specification are not necessarily referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the application may be combined as suitable.
Similarly, it should be appreciated that in order to simplify the present disclosure and thereby facilitate an understanding of one or more embodiments of the application, various features are sometimes grouped together in a single embodiment, figure, or description thereof. This method of disclosure, however, is not intended to imply that more features than are required by the subject application. Indeed, less than all of the features of a single embodiment disclosed above.
Each patent, patent application publication, and other material, such as articles, books, specifications, publications, documents, etc., cited herein is hereby incorporated by reference in its entirety except for any application history file that is inconsistent or otherwise conflict with the present disclosure, which places the broadest scope of the claims in this application (whether presently or after it is attached to this application). It is noted that the description, definition, and/or use of the term in the appended claims controls the description, definition, and/or use of the term in this application if the description, definition, and/or use of the term in the appended claims does not conform to or conflict with the present disclosure.
Claims (10)
1. The sterilizing and deodorizing device is characterized by comprising an air passage, wherein the air passage comprises an air inlet end and an air outlet end, the sterilizing and deodorizing device further comprises a first photocatalyst unit, a first light source, a second photocatalyst unit, a third photocatalyst unit and a second light source which are sequentially arranged on the air passage from the air inlet end to the air outlet end, the first light source is used for exciting the first photocatalyst unit and the second photocatalyst unit to release sterilizing substances, and the second light source is used for exciting the third photocatalyst unit to release sterilizing substances.
2. The sterilizing and deodorizing device according to claim 1, wherein the first photocatalyst unit comprises a first photocatalyst carrier and a first photocatalyst attached to the first photocatalyst carrier, the second photocatalyst unit comprises a second photocatalyst carrier and a second photocatalyst attached to the second photocatalyst carrier, the third photocatalyst unit comprises a third photocatalyst carrier and a third photocatalyst attached to the third photocatalyst carrier, the first light source excites the first photocatalyst and the second photocatalyst to release sterilizing substances, and the second light source excites the third photocatalyst to release sterilizing substances.
3. The sterilizing and deodorizing device according to claim 2, wherein the first and second photo-catalytic carriers each have a porous structure, and the specific surface area of the second photo-catalytic carrier is larger than that of the first photo-catalytic carrier.
4. A sterilizing and deodorizing device according to claim 3, wherein the porous structure of the first photocatalyst carrier is a through structure, and the porous structure of the second photocatalyst carrier is a three-dimensional space network structure.
5. The sterilization and odor elimination device according to claim 2, wherein said first photocatalyst and said second photocatalyst each comprise one or more of titanium dioxide, tungsten trioxide, tin oxide, zirconium dioxide, manganese oxide, ferric oxide, nitrogen-doped titanium dioxide, sulfur-doped titanium dioxide, oxygen-deficient titanium dioxide, graphene-doped carbon nitride, photosensitized titanium dioxide, bismuth trioxide, bismuth oxychloride, bismuth carbonate, bismuth oxybromide, zinc oxide; and/or
The third photocatalyst comprises a covalent organic framework material and/or a metal organic framework material.
6. The sterilizing and deodorizing device of claim 1, wherein said first light source is an ultraviolet light source and said second light source is a blue light source.
7. A bactericidal odor removal device as defined in claim 1, wherein said bactericidal substance includes holes, hydroxyl radicals, superoxide radicals.
8. The sterilizing and deodorizing device according to claim 1, wherein the sterilizing and deodorizing device comprises a housing defining the air passage, and portions of the housing corresponding to the air inlet end and the air outlet end are each provided in a grid hollowed-out structure.
9. A sterilizing and deodorizing device, characterized in that the sterilizing and deodorizing device comprises a fan and a sterilizing and deodorizing device according to any one of claims 1 to 8, wherein the fan is arranged opposite to the sterilizing and deodorizing device and is used for enabling air to be sterilized and deodorized to flow through the sterilizing and deodorizing device in an accelerating way.
10. A sterilizing and deodorizing method applied to the control unit of the sterilizing and deodorizing device according to claim 9, the control unit being in signal connection with the blower, the first light source and the second light source, characterized in that the sterilizing and deodorizing method comprises:
controlling the fan to be started, so that the gas to be sterilized and odorized enters the sterilizing and odorizing device from the air inlet end;
the first light source is controlled to be turned on, so that the emergent light of the first light source excites the first photocatalyst unit and the second photocatalyst unit to release sterilizing substances so as to sterilize and smell the gas to be sterilized and smell-removed;
and controlling the second light source to be turned on, so that the emergent light of the second light source excites the third photocatalyst unit to release sterilizing substances, and further sterilizing and deodorizing the gas flowing out of the second photocatalyst unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310672310.7A CN116608630A (en) | 2023-06-06 | 2023-06-06 | Sterilizing and deodorizing device, equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310672310.7A CN116608630A (en) | 2023-06-06 | 2023-06-06 | Sterilizing and deodorizing device, equipment and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116608630A true CN116608630A (en) | 2023-08-18 |
Family
ID=87679940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310672310.7A Pending CN116608630A (en) | 2023-06-06 | 2023-06-06 | Sterilizing and deodorizing device, equipment and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116608630A (en) |
-
2023
- 2023-06-06 CN CN202310672310.7A patent/CN116608630A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11730849B2 (en) | Air treatment method | |
| US10933158B2 (en) | Air treatment system and method of use | |
| KR100945599B1 (en) | Hybrid optical semiconductor sterilization catalyst lamp and optical catalyst purification device using the same | |
| CN107645958B (en) | Photocatalyst device and vehicle air conditioner including the same | |
| KR102014759B1 (en) | Air conditioner for vehicle | |
| CN209991597U (en) | Multifunctional air guide mechanism and air conditioner device with same | |
| JP2008516652A (en) | Method and apparatus for sterilizing ambient air | |
| US20120291458A1 (en) | Apparatus and Method for Inhibiting the Growth of Microbiological Organisms in Commercial Icemakers and Coolers | |
| JP3516380B2 (en) | Air purifier | |
| US20030039577A1 (en) | Method and apparatus for removing contaminants from a contaminated air stream | |
| CN211189710U (en) | Air purification system for degrading VOCs (volatile organic compounds) through catalytic oxidation | |
| KR20220052872A (en) | Virus sterilization fine dust air purifier with virus sterilization, fine dust removal and deodorization function | |
| KR20130085111A (en) | Air sterilizer by ultraviolet | |
| JP3364708B2 (en) | Air conditioner | |
| WO2019152996A1 (en) | System and method for air treatment | |
| JPH11276563A (en) | Air cleaner | |
| CN116608630A (en) | Sterilizing and deodorizing device, equipment and method | |
| KR102234383B1 (en) | Air conditioner for vehicle | |
| KR101803228B1 (en) | Multi-purpose photocatalyst purification device using reflector | |
| KR102174252B1 (en) | Photocatalyst device | |
| JP2003126227A (en) | Apparatus and method for treating polluted air | |
| KR102166883B1 (en) | Air conditioner for vehicle | |
| KR200321858Y1 (en) | Apparatus for high efficiency sterilization and purification of gas or water by using photocatalyst | |
| CN212179102U (en) | Sterilizing device and air purification equipment | |
| WO2021155616A1 (en) | Disinfecting, sterilizing and purifying apparatus |
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 |