CN106512593A - Photocatalyst high-efficiency filter - Google Patents
Photocatalyst high-efficiency filter Download PDFInfo
- Publication number
- CN106512593A CN106512593A CN201611059265.4A CN201611059265A CN106512593A CN 106512593 A CN106512593 A CN 106512593A CN 201611059265 A CN201611059265 A CN 201611059265A CN 106512593 A CN106512593 A CN 106512593A
- Authority
- CN
- China
- Prior art keywords
- photocatalyst
- titanium dioxide
- filter
- housing
- high efficiency
- 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
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 77
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003365 glass fiber Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 13
- 239000005416 organic matter Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 33
- 239000004411 aluminium Substances 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- 239000013078 crystal Substances 0.000 claims description 20
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 18
- 239000004408 titanium dioxide Substances 0.000 claims description 16
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 239000012943 hotmelt Substances 0.000 claims description 12
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 8
- 239000003863 metallic catalyst Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 150000002500 ions Chemical group 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000006482 condensation reaction Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 claims description 2
- 150000003624 transition metals Chemical class 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 10
- 238000000746 purification Methods 0.000 abstract description 8
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 abstract description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000001569 carbon dioxide Substances 0.000 abstract description 4
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 abstract description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- -1 hydroxyl radical free radical Chemical class 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 230000001699 photocatalysis Effects 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000003115 biocidal effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000035568 catharsis Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 210000000170 cell membrane Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000004098 cellular respiration Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
- A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/14—Filtering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Catalysts (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a photocatalyst high-efficiency filter. The photocatalyst high-efficiency filter comprises a filter framework and a filtering main body part, wherein the filter framework comprises an aluminum profile outer frame, an outer frame upper cover, an outer frame lower cover and plastic connecting angles. The filtering main body part comprises a filtering main body and metallic filter screens, wherein the filtering main body is ultrafine glass-fiber filter paper, and surfaces of the metallic filter screens are sprayed with photocatalyst coatings. The photocatalyst coatings are made from a photocatalyst material. Under the conditions of irradiation of natural light or dim light and the wind speed of 0.1m/s to 0.45m/s, oxygen and moisture adsorbed to the surfaces of the coatings can be activated so as to form hydroxyl free radicals (.OH) and superoxide free radicals (O2<->), the free radicals can destroy C-C bonds, C-H bonds, C-N bonds, C-O bonds, O-H bonds, N-H bonds, and the like in formaldehyde or organic matter molecules so as to resolve formaldehyde and organic matters into carbon dioxide and water, and thus, the filter can achieve a remarkable purification effect and degerming effect.
Description
【Technical field】
The present invention relates to it is a kind of for purification of air in terms of photocatalyst high efficiency particulate air filter.
【Background technology】
With the continuous improvement of people's living standard, environmental pollution has become the primary social concern of social development.Especially
Which is in fast-developing real estate, auto industry.However, having in present estate industry and automobile industry various each
The air cleaning filter for purifying indoor environment of sample.As glass fiber material has temperature tolerance, wearability, performance steady
The characteristics of determining, so being widely used in the glass fibre filter core design aspect of air cleaner.But due to glass fibre filter core
Do not possess sterilization efficacy, easily produce secondary pollution.In order to solve this technical problem, subsequently there is a kind of photocatalyst material, and
The photocatalyst material is used in into air cleaner, the air cleaner can be produced and be acted on strong oxidative free radical, effectively
Decompose the compositions such as formaldehyde in air, benzene, ammonia, and convert it into CO2And H2O, plays a part of purification of air.But above-mentioned light
Filter core made by catalyst material can only just have in the wind friction velocity of the ultraviolet light irradiation of 380nm wavelength and 0.1m/s preferably urges
Change is acted on.Significantly purification, bacteria-eliminating efficacy cannot be produced under natural light or low light condition.
【The content of the invention】
In view of this, technical purpose of the invention be in order to solve it is above-mentioned it is existing there is technical problem and provide it is a kind of from
Significantly purification, the efficient mistake of photocatalyst of bacteria-eliminating efficacy can be produced under the conditions of light or low light irradiation and 0.1m/s to 0.45m/s so
Filter.
In order to realize above-mentioned technical problem, a kind of photocatalyst high efficiency particulate air filter provided by the present invention, which includes filter frame
Frame and the filtration body part inside filter frame, the filter frame include aluminium section bar housing, are arranged on
Cover on housing above aluminium section bar housing, the housing lower cover below aluminium section bar housing, and be separately mounted to aluminium section bar
The plastic cement joint angle of housing surrounding；Described filtration body part includes filtration body and is separately mounted to filtration body both sides
Metal filter screen；Described metal filtration net surface is injected with one kind in natural light and low light irradiation and 0.1m/s to 0.45m/
The photocatalyst coat of clean-up effect and bacteria-eliminating efficacy can be played under the wind friction velocity of s.
According to the technical characteristics, the filtration body includes filtering for the superfine glass fiber of filtering micronic dust particle
Paper, is arranged at the complex root hot melt tree lace of superfine glass fiber filter paper face；The hot melt tree lace is vertical with superfine glass fiber filter paper
To sides aligned parallel arrange, described hot melt tree lace and hot melt tree lace between be separated with clearance distance.
According to the technical characteristics, on the housing, lid and housing lower cover are by the EVA with elastomeric property respectively
Material is made；Described aluminium section bar housing is by made by aluminium type material；The plastic cement joint angle is made up of plastic material.
According to the technical characteristics, described photocatalyst coat includes screen pack main body, sprays in filtration host
The photocatalyst coating in body surface face；The photocatalyst coat is that, by made by photocatalyst material, the photocatalyst material is by nanometer
Titanium dioxide crystal is constituted.
According to the technical characteristics, the photocatalyst material includes titanium dioxide, natural luminous agent, metal catalytic
Agent；Its mass component is：The titanium dioxide is 75%, and described natural luminous agent is 15%, and the metallic catalyst is
10%；The natural luminous agent includes phosphorus powder；The metallic catalyst includes silver nitrate or zinc oxide.
According to the technical characteristics, the photocatalyst material technique is：Titanium dioxide is dissolved in into water or alcohols first
In solution, and successively addition silver nitrate or zinc oxide, and phosphorus powder, heating is sufficiently stirred for being hydrolyzed and condensation reaction forms solidifying
Glue；Then, the gel is sprayed in net surface is filtered, even spread forms film；Then, then the filtration of film will be formed with
Net is placed in high temperature furnace, heat drying and removes solvent and unnecessary organic matter, and makes titanium dioxide form crystalline solid；With gold
Category plasma-based is ion implanted system, by doped transition metal ionses in the photocatalyst surface of titanium dioxide, reduces band gap and prolongs
Slow electron-hole pair in conjunction with rate, form the nano titanium dioxide crystal that fineness is 6 to 9 nanosizeds, depend on metal mistake
The surface of filter screen.
Chemical equation according to the technical characteristics, photocatalyst material decomposing formaldehyde and organic compound is as follows：
HCHO (formaldehyde)+(OH) → H2O+CO2, NH3(organic compounds containing nitrogen)+O2 -(superoxide anion) → HNO3(nitric acid).
Advantageous Effects of the present invention：Because described filtration body part includes filtration body and is separately mounted to filter
The metal filter screen of main body both sides；Described metal filtration net surface is injected with a kind of to play clean-up effect, bacteria-eliminating efficacy
Photocatalyst coat.The photocatalyst coat is by made by photocatalyst material.The photocatalyst material is by nanometer titanium dioxide
Titanium crystal is constituted.The nano titanium dioxide crystal under the wind friction velocity of natural light and the low light level and 0.1m/s to 0.45m/s, nanometer
In titanium dioxide crystal, valence-band electrons are excited to conduction band, form electronics and hole, the electronics and hole be adsorbed in surface
In the presence of oxygen and water, excitation nano titanium dioxide crystal be internally generated the hydroxyl radical free radical with superpower oxidability (
) and superoxide radical (O OH2 -), the hydroxyl radical free radical and superoxide radical directtissima destruction and decomposing formaldehyde or
The bond energy of C-C keys, c h bond, C-N keys, C-O keys, O-H keys, N-H keys in organic molecule etc., formaldehyde and organic matter are decomposed
For carbon dioxide and water so that wind speed bar of the high efficiency particulate air filter in natural light and low light irradiation and 0.1m/s to 0.45m/s
Generation clean-up effect and bacteria-eliminating efficacy can be reached under part.
With reference to the accompanying drawings and examples, technical scheme is described in further detail.
【Description of the drawings】
For the clearer explanation embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the three-dimensional exploded view of photocatalyst high efficiency particulate air filter in the present invention；
Fig. 2 is the partial schematic diagram of metal filter screen in the present invention；
Fig. 3 is the structural representation of photocatalyst coat in the present invention；
Fig. 4 is the fundamental diagram of photocatalyst coat in the present invention.
【Specific embodiment】
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Below in the accompanying drawings
The detailed description of the embodiments of the invention of offer is not intended to limit the scope of claimed invention, but is merely representative of
The selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not before creative work is made
The every other embodiment for being obtained is put, the scope of protection of the invention is belonged to.
Refer to shown in Fig. 1 to Fig. 4, technical solution of the present invention is a kind of photocatalyst high efficiency particulate air filter, and which includes filter
Framework and the purification main element for catharsis inside filter frame.
The filter frame includes aluminium section bar housing 1, installed in lid 2 on the housing above aluminium section bar housing 1, is arranged on
Housing lower cover 3 below aluminium section bar housing 1, and it is separately mounted to the plastic cement joint angle 4 of 1 surrounding of aluminium section bar housing.Described
Purification main element includes filtration body and is separately mounted to the metal filter screen 5 of filtration body both sides.Described metal mistake
5 surface of filter screen is injected with photocatalyst coat.On the housing, lid 2 and housing lower cover 3 are by the EVA with elastomeric property respectively
Material is made.Described aluminium section bar housing 1 is by made by aluminium type material.The plastic cement joint angle 4 is made up of plastic material.
The filtration body includes the superfine glass fiber filter paper 6 for filtering micronic dust particle, is arranged at superfine glass fiber filtration
The complex root hot melt tree lace 7 on 6 surface of paper.The hot melt tree lace 7 is be arranged in parallel with the longitudinal edge of superfine glass fiber filter paper 6, institute
Clearance distance is separated between the hot melt tree lace 7 stated and hot melt tree lace 7.Described photocatalyst coat includes screen pack main body 8,
Spray in the photocatalyst coating 9 on 8 surface of screen pack main body；The photocatalyst coat is by made by photocatalyst material.The light
Catalyst material is made up of nano titanium dioxide crystal.Photocatalyst coat is sprayed in metal filter screen 5, the metal filter screen 5
The both sides of superfine glass fiber filter paper 6 are separately mounted to, described complex root hot melt tree lace 7 is welded in 6 table of superfine glass fiber filter paper
Face.The metal filter screen 5 of the superfine glass fiber filter paper 6 and both sides is separately mounted to inside aluminium section bar housing 1.Described housing
Upper lid 2 is arranged on 1 upper surface of aluminium section bar housing, and described housing lower cover 3 is arranged on the lower surface of aluminium section bar housing 1.Described
Plastic cement joint angle 4 is separately mounted to four sharp corners of the surrounding of aluminium section bar housing 1, and the plastic cement joint angle 4 is mainly used in will be outer
Frame lower cover 3, on housing, lid 2 is together with purifying aluminium section bar housing 1 and fixing.
The photocatalyst coat is by made by photocatalyst material.The photocatalyst material is by nano titanium dioxide crystal
Composition.Photocatalyst material is a kind of photosemiconductor material with photo-catalysis function with Nano titanium dioxide as representative, it
Spray in substrate surface, under the wind friction velocity of natural light and low light irradiation and 0.1m/s to 0.45m/s, produce strong catalysis drop
Solution function.General photocatalyst is mix powder shape, and is mixes liquid shape mostly into market.The photocatalyst material
Including titanium dioxide, natural luminous agent, metallic catalyst.Its mass component is：The titanium dioxide is 75%, described nature
Luminous agent is 15%, and the metallic catalyst is 10%.The natural luminous agent includes phosphorus powder.The metallic catalyst is included
There are silver nitrate or zinc oxide.The chemical equation of photocatalyst material decomposing formaldehyde and organic compound is as follows：HCHO (formaldehyde)+
(·OH)→H2O+CO2, NH3(organic compounds containing nitrogen)+O2 -(superoxide anion) → HNO3(nitric acid).
The photocatalyst material processing technology is：During titanium dioxide is dissolved in water or alcohol solution first, and successively add
Silver nitrate or zinc oxide, and phosphorus powder, heating is sufficiently stirred for being hydrolyzed and condensation reaction forms gel.The gel is uniformly sprayed
Penetrate in net surface is filtered, form film；Then, then by the screen pack for being formed with film be placed in high temperature furnace, heat drying and
Solvent and unnecessary organic matter are removed, and makes titanium dioxide form crystalline solid.System is ion implanted with metal plasma-based, by transition gold
Category ion doping reduces band gap in the photocatalyst surface of titanium dioxide, and delay electron-hole pair in conjunction with rate, shape
Into the nano titanium dioxide crystal that fineness is 8 to 10 nanosizeds, the surface of metal filter screen 5 is depended on.
Using the photocatalyst material for arranging 5 surface of metal filter screen, it is 6 to form fineness by photocatalyst technique in this enforcement
To the nano titanium dioxide crystal of 9 nanosizeds.The nano titanium dioxide crystal is in illumination and the wind speed of 0.1m/s to 0.45m/s
Under the conditions of, the valence-band electrons in nano titanium dioxide crystal are excited to conduction band, form electronics and hole, the electronics and hole with
In the presence of being adsorbed in the oxygen and water on surface, hydroxyl radical free radical (OH) of the formation with Strong oxdiative ability and superoxides are certainly
By base (O2 -) etc., in the hydroxyl radical free radical and the destruction of superoxide radical directtissima and decomposing formaldehyde or organic molecule
Formaldehyde and organic matter are decomposed into carbon dioxide and water by the bond energy of C-C keys, c h bond, C-N keys, C-O keys, O-H keys, N-H keys etc.,
Reach described high efficiency particulate air filter natural light or the low light level and 0.1m/s to 0.45m/s wind friction velocity be issued to clean-up effect and
Bacteria-eliminating efficacy.The valence band of the nano titanium dioxide crystal is 2.3eV or so with the band gap of conduction band so that titanium dioxide
Improved to 80% antibiotic rate by the antibiotic rate of 30% in the case where visible light source irradiates, hydrophily performance is also remarkably reinforced.
Under the conditions of environmental pollution, photocatalyst itself will not change and be lost the photocatalyst material, in the photograph of light
Penetrate down can with continual purifying contaminated thing, have the advantages that the time persistently, continuous action.The photocatalyst material has nothing
It is malicious, harmless, reliability safe to the human body；Secondary pollution, as safety and reliability will not be produced.Using high-quality photocatalytic spray
Afterwards, purification and sterilization effect can at least ensure 5 years.Photocatalyst material has light wave absorbent properties.The nano-noble metal (platinum, rhodium,
Palladium etc.) coordinated with photocatalyst material after, the separative efficiency that photo-generated carrier can be greatly improved and the weight for suppressing electron-hole
It is new compound, so as to further widen the light wave absorption region of titanium dioxide.Pure photocatalyst powder makes the molten of adhesion type
Liquid, the solution can adsorb in all kinds of furniture surfaces after being dried, it is not easy to wear and tear and drop.In the present embodiment, described nanometer two
The optimal nanometer fineness of oxidation titanium crystal is 6 to 9 nanometers.Generally, under identical light wave absorption region, photo-catalytic nano is thin
Degree is less, and catalytic performance is stronger.Described photocatalyst material being capable of PARA FORMALDEHYDE PRILLS(91,95), benzene, ammonia, sulfur dioxide, carbon monoxide, nitrogen oxygen
Compound etc. affects the harmful organic substance of human body health to play catharsis.Described photocatalyst material energy releasing negative oxygen ion
Effect.The photocatalyst material has biocidal efficacies to Escherichia coli, staphylococcus aureus etc..Described photocatalyst material is to perfume (or spice)
Cigarette is smelly, lavatory is smelly, rubbish is smelly, animal is smelly etc. has deodouring effect.
Described nano titanium dioxide crystal destroys cell membrane and intracellular matter so that cell membrane under catalytic action
Degraded, Premeabilisation of cells sexual maladjustment.The enzyme that can make under photocatalysis of the nano titanium oxide loses activity, such as CoA's
The decline of CoA contents is aoxidized, suppresses cellular respiration.The nano titanium dioxide crystal internal hydroxyl groups free radical (OH) and
Superoxide radical (O2 -), play an important role in photocatalytic process, directtissima cell so that the albumen qualitative change of bacterium
Property, lipidolysis, the degraded of enzyme element.
In sum, because described filtration body part includes filtration body and is separately mounted to filtration body both sides
Metal filter screen 5.Described 5 surface of metal filter screen is injected with photocatalyst coat.The photocatalyst coat is touched by light
Made by catalytic material.Using the photocatalyst material for arranging 5 surface of metal filter screen, formed carefully by photocatalyst technique in this enforcement
Spend the nano titanium dioxide crystal for 6 to 9 nanosizeds.Under the wind friction velocity of illumination and 0.1m/s to 0.45m/s, the nanometer
In titanium dioxide crystal, valence-band electrons are excited to conduction band, form electronics and hole, the electronics and hole be adsorbed in surface
In the presence of oxygen and water, the hydroxyl radical free radical (OH) with Strong oxdiative ability and superoxide radical (O are generated2 -) etc. from
Son, the ion directtissima is destroyed and decomposing formaldehyde or the C-C keys in organic molecule, c h bond, C-N keys, C-O keys, O-H keys,
Formaldehyde and organic matter are decomposed into carbon dioxide and water by the bond energy of N-H keys etc. so that the high efficiency particulate air filter is in natural light and weak
Generation clean-up effect and bacteria-eliminating efficacy can be reached under the wind friction velocity of light irradiation and 0.1m/s to 0.45m/s.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (7)
1. a kind of photocatalyst high efficiency particulate air filter, which includes filter frame and the filtration body inside filter frame
Part, the filter frame include aluminium section bar housing, cover, installed in aluminium section bar on the housing above aluminium section bar housing
Housing lower cover below housing, and it is separately mounted to the plastic cement joint angle of aluminium section bar housing surrounding；It is characterized in that：Described
Filtration body part includes filtration body and is separately mounted to the metal filter screen of filtration body both sides；Described metal filtration
Net surface is injected with a kind of clean-up effect being played under the wind friction velocity of natural light and low light irradiation and 0.1m/s to 0.45m/s
With the photocatalyst coat of bacteria-eliminating efficacy.
2. photocatalyst high efficiency particulate air filter according to claim 1, it is characterised in that：The filtration body is included for filtering
The superfine glass fiber filter paper of dust particale, is arranged at the complex root hot melt tree lace of superfine glass fiber filter paper face；The PUR
Line is be arranged in parallel with the longitudinal edge of superfine glass fiber filter paper, described hot melt tree lace and hot melt tree lace between be separated with clearance gap
From.
3. photocatalyst high efficiency particulate air filter according to claim 1, it is characterised in that：Lid and housing lower cover point on the housing
It is not made up of the EVA material with elastomeric property；Described aluminium section bar housing is by made by aluminium type material；The plastic cement connects
Connect angle to be made up of plastic material.
4. photocatalyst high efficiency particulate air filter according to claim 1, it is characterised in that：Described photocatalyst coat included
Filter screen main body, sprays in the photocatalyst coating of screen pack body surfaces；The photocatalyst coat is made up of photocatalyst material
, the photocatalyst material is made up of nano titanium dioxide crystal.
5. photocatalyst high efficiency particulate air filter according to claim 4, it is characterised in that：The photocatalyst material includes titanium dioxide
Titanium, natural luminous agent, metallic catalyst；Its mass component is：The titanium dioxide is 75%, and described natural luminous agent is
15%, the metallic catalyst is 10%；The natural luminous agent includes phosphorus powder；The metallic catalyst includes silver nitrate
Or zinc oxide.
6. photocatalyst high efficiency particulate air filter according to claim 4, it is characterised in that：The photocatalyst material technique is：First
During titanium dioxide is dissolved in water or alcohol solution, and successively addition silver nitrate or zinc oxide, and phosphorus powder, heating be sufficiently stirred for into
Water-filling solution and condensation reaction form gel；Then, the gel is sprayed in net surface is filtered, even spread forms film；So
Afterwards, then by the screen pack for being formed with film it is placed in high temperature furnace, heat drying and removes solvent and unnecessary organic matter, and makes
Titanium dioxide forms crystalline solid；System is ion implanted with metal plasma-based, light of the doped transition metal ionses in titanium dioxide is touched
Matchmaker surface, reduce band gap and delay electron-hole pair in conjunction with rate, form the nanometer two that fineness is 6 to 9 nanosizeds
Oxidation titanium crystal, depends on the surface of metal filter screen.
7. photocatalyst high efficiency particulate air filter according to claim 4, it is characterised in that：Photocatalyst material decomposing formaldehyde and organic
The chemical equation of compound is as follows：HCHO (formaldehyde)+(OH) → H2O+CO2,
NH3(organic compounds containing nitrogen)+O2 -(superoxide anion) → HNO3(nitric acid).
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| CN201611059265.4A CN106512593A (en) | 2016-11-25 | 2016-11-25 | Photocatalyst high-efficiency filter |
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| CN201611059265.4A CN106512593A (en) | 2016-11-25 | 2016-11-25 | Photocatalyst high-efficiency filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110420629A (en) * | 2019-07-25 | 2019-11-08 | 江苏申苏环境科技有限公司 | A kind of photocatalyst preparation method and applications of catalytic degradation formaldehyde |
| CN110721576A (en) * | 2019-10-10 | 2020-01-24 | 上海鸿来环保设备有限公司 | Remove hot pepper peculiar smell equipment |
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| CN110420629A (en) * | 2019-07-25 | 2019-11-08 | 江苏申苏环境科技有限公司 | A kind of photocatalyst preparation method and applications of catalytic degradation formaldehyde |
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