CN2396820Y

CN2396820Y - Air sterilizing purifying device with photochemical catalysis

Info

Publication number: CN2396820Y
Application number: CN 99229946
Authority: CN
Inventors: 李植晋
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-11
Filing date: 1999-11-11
Publication date: 2000-09-20
Anticipated expiration: 2009-11-11

Abstract

The utility model discloses an air sterilizing and purifying device with the function of photochemical catalysis. The utility model is characterized in that a housing in which an air supply mechanism is installed is provided; tube type photochemical catalysis air sterilizing and purifying components are installed in front of or behind the air supply mechanism; each of the components is composed of an ultraviolet lamp tube in the center, a photochemical catalysis component on the outer part of the lamp tube, and an outermost light reflecting barrel. The utility model has the advantages of simple structure, low manufacturing and running cost, long service life, and convenient maintenance. The air sterilizing and purifying device can eliminate components and various foreign smells which exist in ambient air and are harmful to human bodies and also has a sterilizing function.

Description

Air disinfection, purifier with photo-catalysis function

This utility model relates to a kind of physics and photochemistry device, it is the device that is used for air kitchen ice deodorizing sterilizing, specifically, be a kind of photochemical effect that produces by ultraviolet physical action and photocatalyst and ultraviolet, a kind of air cleaner that airborne antibacterial is killed, also all kinds of harmful gass that contain in the air and various abnormal flavour can be resolved into products such as harmless water, carbon dioxide.

The present domestic similar product that still do not have has a kind of similar ultraviolet sterilization apparatus abroad, but its complex structure, the replacing quartz burner quite bothers, and involves great expense.Topmost shortcoming is: it only is a common ultraviolet sterilization apparatus, the function that does not purify air, on this ultraviolet sterilization apparatus abroad, it is at an end of each quartz burner a special fan that can produce swirling eddy to be installed around the swirling eddy that quartz burner produces, so, for a relatively large ultraviolet sterilization apparatus, needs tens even up to a hundred special fans, not only improved cost, also make structure become very complicated, maintenance is inconvenient, and fault rate is also high.

The purpose of this utility model is to provide a kind of simple in structure, manufacturing and operating cost is low, long service life, easy to maintenance, can remove various abnormal flavour in the air, and can germ-resistant a kind of air disinfection, purifier with photo-catalysis function.

Technical solution of the present utility model is: a kind of air disinfection, purifier with photo-catalysis function, it is characterized in that: a shell is arranged, wind sector is installed in the enclosure, tubular type light catalytic air-sterilizing, purifying part are equipped with in front or back at wind sector, each parts is the quartz burners by the center, and the photocatalysis parts of fluorescent tube outside and outmost reflective tube formation.

Described in this utility model be installed in quartz burner and the intermediary tubular type light catalytic air-sterilizing of reflective tube, purifying part is a spiral sheets, its two sides all scribbles catalysis material.Certainly, also can adopt other suitable version.

Tubular type light catalytic air-sterilizing described in this utility model, purifying part have one group or several groups, and it is cylindric to use the strong material of inwall reflecting power to make, both ends open.Certainly, also can adopt other suitable version.

Shell described in this utility model adopts hermetically-sealed construction, and the shell front-back of sealing is equipped with wind sector.Certainly, also can adopt other suitable version.

The utility model has the advantages that: simple in structure, manufacturing and operating cost is low, long service life, easy to maintenance, can remove the harmful composition that exists in the surrounding air and various abnormal flavour, and can take into account sterilization.This utility model can reach following effect: the killing rate of various antibacterials is not less than 95% in the air, the mycete killing rate is not less than 90%, in the air harmful gas once by the time decompose purifying rate and be not less than when cycling through in 80%, 30 minute, abnormal flavour can decompose more than 90%.This utility model is sterilizing unit still not, main is the air cleaner that an energy is decomposed into harmful components in the air and abnormal flavour harmless product, because decomposing the energy of these harmful components is ultraviolet, so except that the periodic replacement quartz burner, but all long-term works of other parts.

The utility model is described in further detail below in conjunction with drawings and Examples:

Fig. 1 is a kind of the have air disinfection of photo-catalysis function, the overall structural arrangement figure of purifier of the present utility model;

Fig. 2 is the structural representation of tubular type light catalytic air-sterilizing, purifying part among Fig. 1;

Fig. 3 is a spiral sheets surface light catalysis material structural representation among Fig. 2.

Fig. 1, Fig. 2, Fig. 3 have described an embodiment of the present utility model.Among Fig. 1, dividing plate is equipped with in front at the shell 2 that seals all around, several tube-axial fans 1 are screwed on dividing plate, and make the air only can be by tubular type light catalytic air-sterilizing after tube-axial fan 1 increase pressure, pass through in the pipe of purifying part 3, the tubular type light catalytic air-sterilizing, purifying part 3 is divided on two groups of fixing heads that are fixed on shell 2 back, concrete installation method is: earlier with every group of tubular type light catalytic air-sterilizing, purifying part 3 usefulness flanges are fixed on the installing plate, form one group, do two groups altogether with identical method then, every layer is a unit, then with ready-made two tubular type light catalytic air-sterilizings, purifying part 3 usefulness are threaded and are installed on the fixing head of shell back, so that air can only be from the tubular type light catalytic air-sterilizing, the inside of purifying part 3 is passed through.

Fig. 2 has described the reality of tubular type light catalytic air-sterilizing, purifying part.21 for being used to install the fixing head of tubular type light catalytic air-sterilizing, purifying part among the figure, be used for fixing tubular type light catalytic air-sterilizing, purifying part 3, the adpting flange 23 usefulness screws of cylinder 24 link together cylinder on tubular type light catalytic air-sterilizing, the purifying part 3 24 and fixing head 21, and the sealing that keeps link, cylinder 24 can be made with metal or the galvanized highstrenghtpiston of inwall, but any material don't work, all must guarantee its inner wall smooth, has very strong reflecting power, in order to reach the purpose that strengthens uitraviolet intensity.Spiral plate 25 is installed in cylinder 24, spiral plate 25 usefulness sheet metals are made, and are processed into the helical form that pitch equates, the length of spiral is identical with cylinder 24, contact the long time with ultraviolet in order to ensure air, also for air can fully contact with the catalysis material on spiral lamina two sides, therefore, the area of spiral plate 25 should be big as much as possible simultaneously, for this reason, the pitch of spiral plate 25, the distance between promptly adjacent two thin plates is as far as possible little, can select between the 3-10 millimeter.Quartz burner 22 is installed in the center of spiral plate 25, and in the present embodiment, quartz burner 22 adopts the cold cathode uv lamp pipe that does not have heat filament.There is the hot cathode quartz burner of filament heating at general two ends, can cause the life-span of quartz burner very short because of factors such as reduction of filament emission ability and filament burn outs, generally only there be more than 2000 hour, although and there is the shortcoming that needs the high voltage starting in the cold cathode uv lamp pipe,, do not exist filament to damage problem owing to there is not filament, therefore can reach more than 30000 hours service life, therefore, present embodiment is because the cold cathode uv lamp pipe that adopts high voltage to start has good market prospect.

Fig. 3 has described the structure of spiral sheets.Two sides at spiral sheets metal base 31 scribbles binding agent 32 earlier, and present embodiment is done adhesive coated with waterglass, covers activated carbon 33 on coating 32, covers photocatalyst 34 at activated carbon coating 33 surperficial repaste, and present embodiment uses TiO ₂Photocatalyst for base material.

This utility model is for increasing air and ultraviolet time of contact, dependence is installed in spiral sheets between quartz burner and the reflective cylinder and realizes that air makes rotational flow around quartz burner, the fan used of air feed can be only gets final product with one or a few like this, and can use the fan of ordinary construction.Owing to all scribble active very high catalysis material on the two sides of spiral sheets, and the surface area of spiral sheets is quite big, when making swirling motion in the slit of air between spiral sheets, can fully contact with the photocatalyst on spiral sheets two sides, under action of ultraviolet ray, harmful gas that contains in the air and abnormal flavour are decomposed into harmless products such as water and carbon dioxide rapidly, reach germ-resistant purpose simultaneously.

Shell in this utility model can be made circular or square according to different use occasions, manufactured materials can be that metal also can be the highstrenghtpiston, one group or some groups tubular type photocatalyst air disinfections of wind sector of being made up of fan are installed respectively at shell two sides opening, purifying part, every group of tubular type photocatalyst air disinfection, clean unit is by several cylindrical shape tubular type photocatalyst air disinfections, purifying part constitutes, each columnar tubular type photocatalyst air disinfection, purifying part is by columnar pipe, spiral sheets and quartz burner are formed.Wherein columnar pipe can also can be made with the galvanized plastic tube of inwall with the metal tube of inwall through polishing.Spiral sheets is used the metal manufacturing, both sides at thin plate all scribble catalysis material, the concrete structure of coating is: apply one deck waterglass or binding agents such as ethyl acetate or vinyl acetate or polyurethane earlier at spirality metal thin plate substrate surface, spraying zeolite or activated carbon powder sorbing material layer on binding agent, at last, at the nano level photocatalyst of sorbing material layer outside spraying.The base material of photocatalyst is the semi-conducting material amount, and they are Zn, CdS, Fe ₂O ₃, TiO ₂, WO ₃Deng a kind of material wherein, it also can be the composite of two or more compositions wherein, doped with Mn in the lattice of these semi-conducting materials, V etc. increase active material, and at material surface deposition of rare-earth element or platinum, palladium, rhodium, silver, metal oxide containing precious metals such as rubidium, after this materials processing being become the atomic granule of diameter less than 100 nanometers, they had both presented a kind of special performances: promptly after by ultraviolet radiation, the outermost electron of these semi-conducting materials is very easy to be stimulated and breaks away from original electron orbit, form that electronics freely---the hole is right, again because the property of these materials, form electronics---the hole is compound to being not easy, but be easy to and airborne water and combination with oxygen hole and airborne water (being actually water vapour) H ₂A H among the O ⁺In conjunction with, form free hydroxy, electronics and oxygen (O ₂) in conjunction with forming active oxygen O ^-Or O ₂ ^-, the free hydroxy OH of these of formation ^-And active oxygen O ^-Or O ₂ ^-Have extremely strong oxidability, it can be oxidized to harmless product with harmful substances in air and abnormal flavour, shows after tested, and under this strong oxidation, 114 kinds of air pollutants that U.S. Environmental Protection Agency (EPA) announces all can be decomposed.Simultaneously, this strong oxidizing property can be destroyed the cell membrane of antibacterial and antibacterial is killed, because antibacterial is under the dual function of ultraviolet and strong oxidation, has therefore further improved bactericidal effect.

Claims

1, a kind of air disinfection, purifier with photo-catalysis function, it is characterized in that: a shell is arranged, wind sector is installed in the enclosure, tubular type light catalytic air-sterilizing, purifying part are equipped with in front or back at wind sector, each parts is the quartz burners by the center, and the photocatalysis parts of fluorescent tube outside and outmost reflective tube formation.

2, air disinfection, the purifier with photo-catalysis function according to claim 1, it is characterized in that: be installed in the intermediary tubular type light catalytic air-sterilizing of quartz burner and reflective tube, purifying part is a spiral sheets, its two sides all scribbles catalysis material.

3, air disinfection, the purifier with photo-catalysis function according to claim 1 and 2, it is characterized in that: tubular type light catalytic air-sterilizing, purifying part have one group or several groups, and it is cylindric to use the strong material of inwall reflecting power to make, both ends open.

4, according to claim 1 or 2 described air disinfection, purifiers with photo-catalysis function, it is characterized in that: shell adopts hermetically-sealed construction, and the shell front-back of sealing is equipped with wind sector.