CN1522764A - Composite air sterilization purifying installation using ozone and optical catalytic decomposition device - Google Patents

Composite air sterilization purifying installation using ozone and optical catalytic decomposition device Download PDF

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CN1522764A
CN1522764A CNA2004100059726A CN200410005972A CN1522764A CN 1522764 A CN1522764 A CN 1522764A CN A2004100059726 A CNA2004100059726 A CN A2004100059726A CN 200410005972 A CN200410005972 A CN 200410005972A CN 1522764 A CN1522764 A CN 1522764A
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ozone
photocatalyst
air sterilization
composite air
pollutant
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CN100558412C (en
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沈钟燮
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    • 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
    • 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
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor
    • 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
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/14—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of germanium, tin or lead
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44—Palladium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39—Photocatalytic properties
    • 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
    • A61L2209/12—Lighting means

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
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Abstract

An arrester for relay is provided to reduce the manufacturing cost and the maintenance cost by miniaturizing the total size. Two different terminals(T,T') are connected to each other by using a micro-strip line(1). One end of a conductor(2) having the inductance is connected to one terminal(T) of the different terminals. The other end of the conductor having the inductance is connected to the ground(G). The micro-strip line is formed by adhering different strip conductors(12,12') on a front side and a rear side of a dielectric(11). The different strip conductors are overlapped on a center part of the dielectric in order to form the capacitance.

Description

Used the composite air sterilization purifying device of ozone and photocatalysis Decomposition device
Technical field
The present invention relates to a kind of oxidation reaction that can utilize ozone and photocatalyst to airborne suspension antibacterial and pollutant (VOC, Volatile Organic Compound) sterilize and the composite air sterilization purifying device of resolution process.Specifically, the amount that relates to according to pollutant makes photocatalyst decomposer and ozonator work in combination, and regulates the use ozone of generating capacity of ozone and the composite air sterilization purifying device of photocatalysis Decomposition device by brightness (dimming) stabiliser system that the output intensity of ozone lamp is regulated.
Background technology
Nearest energy conservation policy is along room air and the outside direction of cutting off are developed, because the pollutant of discharging from various interior decorations make the further variation of quality of room air, can produce human body thus and cause respiratory illness and wait and seriously influence.
Though by the agency of is useful on the purifier of this type of indoor pollution problem of solution,, the main method of using is the method that particle shape pollutant contained in the air are carried out filtration treatment or utilize adsorbent that stink is removed mostly.But, if the replacing that these methods do not continue filter, just can't expectation can tell on, can bring out breeding, the stink of antibacterial on the contrary, there is the problem of discharging other pollutant etc. when removing pollutant, therefore, reality requires to develop the air cleaner that can remove pollutant more up hill and dale.
The quality of room air can produce significantly along with people's active level and indoor condition and change.For example, under time for eating meals and a lot of accumulative situation of people, the amount of pollutant such as stink increases, and under the less situation of people's such as bedtime activity, the concentration of pollutant is just lower.
Like this, because the quality of room air is not constant, therefore, if do not change the capacity and the size of air cleaner according to the height of dustiness, then have the problems such as pollutant or energy expenditure be too much of to remove, therefore, need a kind of air cleaner that can regulate the decomposition efficiency of air purifier according to the room air pollution degree.
In 3 oxygen atoms of ozone, the 3rd atom be because in conjunction with a little less than, thereby unstable, is easy to separate, and becomes generator oxygen.The oxidability of generator oxygen is higher 5.6 times than chlorine, and it is high 25 times that virus is removed force rate chlorine extremely, can be with 3000 times speed instantaneous sterilization.In addition, because ozone does not have secondary pollution problem, therefore be used as sterilization/oxidant and be widely used in each field.
But,, therefore, in it uses, must very cautiously carry out the adjusting of concentration because ozone can produce harmful effect to human body when finite concentration is above.On the other hand, because the pick off that the concentration of ozone is controlled is very expensive, therefore be difficult to ozone is applied in general air cleaner.
Recently the photocatalyst air cleaner of exploitation is the efficient of coming the mode that the rotating speed of the aerator of air cleaner is regulated is regulated the air cleaning ability attached to the pollutant sensor on the purifier by utilizing.But, if like this, do not increase the photocatalyst decomposition efficiency, just increase the speed of the air that passes the photocatalyst decomposer, so, the time that pollutant contact with photocatalyst can further shorten, and decomposability is reduced.
In addition, method that amount of air circulation increases is removed at stink do not change aspect the efficient, can produce the problem that noise is increased on the contrary.The method of rotating speed that increases aerator like this only can be helpful to the material of removing particle state to the not influence of removal speed of the pollutant that utilize light-catalyzed reaction.
In addition, in order to improve the decomposition reaction efficient of photocatalysis air cleaning device, at the number that has increased the lamp that uses in the light-catalyzed reaction or used in the device of lamp of high output intensity, on the common operating characteristic of air cleaner, consumed that a part of electric energy that irrespectively improves output intensity with the concentration of pollutant, therefore, there is energy expenditure to become shortcoming big, that the overall dimensions change is big.
Under normal conditions, if use the Burdick lamp of low output intensity, though consumed power reduces, but because the pollutant capacity of decomposition of photocatalysis Decomposition device also reduces, therefore, for the air cleaning ability is improved, need collateral use that such supplementary meanss such as adsorption system such as active carbon filter are installed.But for the maximum concentration with pollutant mates, the size of the general air cleaner of made is very big, in order to prevent the too much consumption of electric energy, and the device periodically out of service of having to.Turning on light and close the lost of life that lantern festival causes Burdick lamp like this when continuing to make device work, will make consumed power uprise.
When illumination is mapped on the photocatalyst, can generate electronegative electronics and positively charged hole.This electronics and hole be owing to have very strong reducing power and an oxidability, generate in water that therefore can be from atmosphere and the oxygen active strong hydroxyl free radical (OH) and oxonium ion (O 2-).Because hydroxyl free radical that is generated and the such spike of mistake oxonium ion have very strong oxidation, reducing power, therefore can bring into play bactericidal action, and organic pollution is resolved into harmless water and carbon dioxide.
The photocatalysis Decomposition reaction is following process, promptly, in the time of between pollutant pass by the photocatalyst coating carrier of ultraviolet radiation, the spike with oxidability that generates in photocatalyst surface makes the harmful substance oxidation, and makes it to resolve into harmless carbon dioxide and water.If utilize such light-catalyzed reaction, not only difficult decomposing organic matter matter resolution process can be become carbon dioxide and water, can also be with antibacterial, mould etc. cell membrane oxidation, break, thereby also can obtain bactericidal effect.
The known spike that generates in photocatalyst surface has the oxidability of also being eager to excel than the ozone that is considered to strong oxidizer.But light-catalyzed reaction is different with the situation of the catalyst of other chemical reaction, owing to only be to carry out having shone ultraviolet surface, therefore the growing amount of spike seldom, absolute magnitude required in actual decomposition reaction is less, therefore, is conditional removing high density pollution object space face.
In order to improve the photocatalysis Decomposition reactive activity, though there is the surface area that makes the lip-deep photocatalyst that is coated in carrier to increase, make the method for the ultraviolet intensity increase of being shone, but, because light-catalyzed reaction is only carried out on the surface of irradiation ultraviolet radiation, therefore, in order to apply more photocatalyst, can adopt on the surface of carrier and carry out than the heavy back coating or be coated to micropore inside waiting these inefficient methods.
Based on such reason, to compare with the coating thickness that applies photocatalyst, the form on coated surface is even more important.When using the titanium dioxide optical catalyst of the acicular crystal form of developing recently, it is introduced to have the decomposition efficiency better than the photocatalyst that has applied film morphology.
The form of employed carrier and light-catalyzed reaction activity have very confidential relation in the photocatalysis Decomposition device.Pearl (bead) form needs to use the big aerator of static pressure because air must not pass in the space between beadlet not only on the throne, so the pressure loss is very big, so that power consumption and noise all become is big.In addition, because beadlet self intercepts ultraviolet radiation to the carrier that is positioned at the back, so ultraviolet can not successfully shine the place away from lamp, so reduced reactivity on the contrary.
Consider the pressure loss, be designed to by configuration pipe or plate make air can with the device of lamp PARALLEL FLOW, though the pressure loss is less, owing to the reaction table area is little, so the decomposition reaction activity is lower.When filling carrier, the space is more little, and the pressure loss of the air that passes is just big more, and ultraviolet can not shine the inside of carrier, and decomposition reaction efficient is reduced.So the photocatalyst coating carrier must have when improving filling rate, the structure that ultraviolet is successfully shone.Like this, because that carrier and the pressure loss and decomposition reaction activity have is close related, therefore, be necessary to develop ultraviolet irradiation rate height, photocatalyst coating carrier that the light-catalyzed reaction surface area is big.
Summary of the invention
The output intensity that makes Burdick lamp is according to the method that the concentration of pollutant changes changeably, be used according to around brightness brightness (Dimming) function that the illumination of indoor fluorescent lamp is regulated.Promptly, to make the regulator of Burdick lamp action as brightness (dimming) regulator, according to the mode that can control the output intensity controlled quentity controlled variable of lamp with the signal of pollutant detecting sensor 25, construction system (Fig. 5), under low concentration pollutes, keep the output intensity of lower ozone generation lamp 19a, mainly utilize the sterilization and the decomposition reaction of photocatalysis Decomposition reaction, when having the pollutant of high concentration, improve the output intensity of ozone lamp 19a, the ozone growing amount is increased, thereby remove indoor pollutant effectively.
Ozone in air also trace have (0.005ppm), in the air of the more seashore of ultraviolet, high mountain, forest etc., have more (about 0.02ppm).If we go to places such as seashore, forest, can feel very salubrious, just because of the effect of ozone.
In general, at the industrial ozone that utilizes, can utilize plasma, lonizing radiation, voltolising, ultraviolet to wait and make.Even because ozone also can kill escherichia coli, staphylococcus, Salmonella, O-157 bacterium etc. easily under low concentration, thus the ozone sterilization method from before just be used to sterilization and deodorization the manufacturing process, water purification up and down, swimming place, hospital, plant etc. of the purification of food storage and refrigerating chamber air and processed food.
In utilizing the ozoniferous method of ultraviolet method, utilize the ultraviolet Burdick lamp 19a of radiation 184.9nm that airborne oxygen is transformed to ozone.At this moment, the amount of the ozone that is produced can be along with the ultraviolet output intensity of the 184.9nm of Burdick lamp and is changed.
The Burdick lamp 19a that the present invention utilizes the brightness stabiliser system to regulate generation ozone comes the amount of the ozone that is produced is regulated.In addition, adopt following brightness regulator (dimming balast) (Fig. 5), promptly, pick off and the ozone generating capacity of measuring the amount of pollutant are connected, under common situation, utilize the photocatalysis Decomposition device to carry out bactericidal purifying, when the amount of pollutant surpasses certain level, then can improve the output intensity of ozone generation lamp, make the ozone growing amount increase, so just can prevent generally the problem of the infringement that causes by unreacted ozone that produces owing to the air purifier that utilizes ozone, and can carry out the decomposition of high density pollution thing.
Remove for the pollutant with the inconstant interior space of concentration decompose effectively, decomposition efficiency must change according to indoor condition, and therefore the ozone that oxidability is stronger uses with the photocatalyst decomposer.In addition, can successfully carry out, use after filling the carrier that has applied photocatalyst in the ozone generating unit for the mixing that makes ozone and pollutant and reaction.
The present invention utilizes to make a part of corroding method on carrier surface make the carrier rough surface with acid, thereby has increased the adhesive force of carrier and photocatalyst and the surface area of photocatalytic coating in order to improve the efficient of photocatalysis Decomposition device.If adopt this kind method, then,, also can carry out equal surface treatment even therefore the amount of carrier is more owing to can process by concentration and the processing time of regulating acid.
Aspect the form of carrier, the carrier that not only can reduce the flow resistance of air but also can increase spring (spring) structure of the variform of ultraviolet irradiation amount is filled in after applying photocatalyst around the Burdick lamp, the method has following advantage, promptly, owing to can adjust the filling rate of carrier according to the thickness of spring and diameter and length, therefore can regulate the air flow resistance of photocatalysis Decomposition device, filling also is easy to.
Light catalytic purifying device of the present invention is at entrance side 12 places of the air inflow of polluting, be provided with the filter 15 of plate (Cartridge) forms such as the high efficiency particulate air(filter) (HEPA) of removing particle shape pollutant, ULPA, removed the air process ozone generating unit 19 of the pollution of fine dust, inflow has been fixed in one-piece type 20 or the divergence type photocatalysis Decomposition device 10 of photocatalytic coating carrier 21 and Burdick lamp 17, and then pollutant are decomposed, the suspension antibacterial is carried out sterilization processing.
Expression can make brightness regulator (Dimming Balast) system that the output intensity of the ozone lamp 19a of the Burdick lamp 17 of described photocatalysis Decomposition device 10,20 or ozone generating unit 19 changes among Fig. 5.Burdick lamp 17,19a are connected with the brightness regulator, and the lead-out terminal of ozone material detecting sensor is connected with the controller of control brightness regulator.Along with the difference of method of attachment, can carry out to the particular ultraviolet radiation lamp of photocatalysis Decomposition device 10,20 or all the output intensity of Burdick lamps adjusting and only to the adjusting of the output intensity of ozone lamp 19a.
That is, both can regulate simultaneously, also can regulate the output intensity of the lamp of specific paries such as inlet, outlet, middle position to the output intensity of being located at the whole Burdick lamps on the photocatalysis Decomposition device.
Output intensity for Burdick lamp 17,19a, if will be, so just can utilize the brightness regulator output intensity of Burdick lamp 17,19a to be changed with 5～100% desired output intensity along with the concentration of the pollutant of the pick off of perception polluter at voltage input brightness regulator, controller that 0～5V changes.
Description of drawings
Fig. 1 is the figure that has utilized the composite air sterilization purifying device of photocatalysis Decomposition device of the present invention and ozonator.
Fig. 2 is that expression has utilized the section of composite air sterilization purifying device of photocatalysis Decomposition device of the present invention and ozonator and the mobile figure of air.
Fig. 3 be the photocatalyst carrier with thin filter form be filled on wire netting or the perforated board and this photocatalyst carrier on photocatalysis Decomposition device main body with the staggered skeleton diagram that repeats to be provided with and to be provided with the divergence type photocatalysis Decomposition device of fine dust filter and aerator of Burdick lamp.
Fig. 4 is the skeleton diagram that the photocatalyst coating carrier directly is filled in the integrated type optical catalytic destroyer between Burdick lamp or quartz ampoule and the main body.
Fig. 5 is the pie graph that comes brightness (Dimming) stabiliser system that the ozone generating capacity is regulated by the output intensity of the Burdick lamp of regulating the photocatalysis Decomposition device or ozone generation lamp.
Wherein, 10: breakdown type photocatalysis Decomposition device; 11: contaminated air; 11a: by bactericidal purifying air; 12: air suction inlet; 13: outlet; 14: aerator; 15: dust is removed filter; 16: divergence type photocatalysis Decomposition device main body; 16a: lamp fixed part; 17: Burdick lamp; 18: integrated type optical catalytic destroyer main body; 19: the ozone generating unit; 19a: ozone lamp; 20: the integrated type optical catalytic destroyer; 21: the photocatalyst coating carrier; 22 quartz or glass tubing; 22a: quartz ampoule fixed part; 23: the photocatalyst carrier; 23a: net or perforated board; 25: pollutant (VOC) detecting sensor
The specific embodiment
Fig. 1 is the figure of structure that the composite air sterilization purifying device of ozone and photocatalysis Decomposition device has been used in expression.In described composite bactericidal purifier, dust is removed the inlet portion 12 that filter 15 is positioned at purifier main body 16, be used to remove minute dust, aerator 14 flows into the contaminated air of having removed dust to have filled ozone generation lamp 19a and the carrier of photocatalytic coating is arranged or does not have in the ozone reactor 19 of carrier of photocatalytic coating, amount according to pollutant changes the output intensity of ozone lamp 19a, regulates decomposition efficiency by the growing amount of regulating ozone.Then, utilize photocatalysis Decomposition reaction that amounts of residual contamination do etc. is removed by the photocatalyst decomposer 20 of having filled Burdick lamp 17 and photocatalyst carrier 21.
Fig. 2 is the side view that expression has utilized the composite air sterilization purifying device of ozone generating unit 19 and photocatalysis Decomposition device 20, and the purifier by the flow direction of representing air with arrow to Fig. 1 remarks additionally.
Fig. 3 is the figure of the structure of expression divergence type photocatalysis Decomposition device 10, shown following internal structure, promptly, at the internal fixation 16a of photocatalysis Decomposition device main body 16 a plurality of Burdick lamps 17 are arranged, between lamp 17, be fixed with the photocatalytic filter 23 of the net of having filled photocatalyst or perforated board 23a, filter form.
Fig. 4 is the figure of the structure of expression integrated type optical catalytic destroyer 20, and fixedly 22a has quartz ampoule or the glass tubing 22 that has inserted Burdick lamp 17 in main body 18, has filled photocatalytic coating carrier 21 between main body 18 and quartz ampoule 22.The integrated type optical catalytic destroyer 20 of having filled photocatalytic coating carrier 21 is to have the circular of corrosion resistance or quadrangle structure, is provided with net or the perforated board 23a that makes the photocatalytic coating carrier can not break away from the outside at entrance side 12 and outlet side 13 places.
In normal circumstances, pass air into and the aerator 14 of air-out purifier can be arranged on entrance side 12 or outlet side 13.But, the present invention considers the characteristic of convenience and aerator, adopted following structure, promptly, the fine dust that is arranged at pressure loss maximum is removed after the filter (Fig. 1) or is located at (10) after the photocatalysis Decomposition device, makes that removing the side that the pressure loss is bigger in filter and the photocatalysis Decomposition device at dust sucks, discharges.By adopting this kind structure, just can be when the bigger side of the pressure loss be discharged with elevated pressures, the noise that reduces to produce.
The flow direction of the air of photocatalysis Decomposition device of the present invention is a benchmark with the two ends of lamp, can be parallel direction 20 or complete rectangular direction 10.
In integrated type optical catalytic destroyer 20, fill the method for photocatalytic coating carrier 21, can be to be filled between the quartz or glass tubing 22 and main body 18 that has inserted lamp 17, or fill according to the mode that the outer surface with lamp 17 directly contacts.Under the former situation, though have when changing lamp 17, needn't empty the advantage of implant or transfer implant, but the shortcoming that must use the quartz ampoule 22 of high price is arranged, in the latter case, though the effect of cost saving is arranged, when changing Burdick lamp, has all to empty the shortcoming that carrier etc. removes the attaching process complexity.
Filling with same method under the situation of ozone generating unit 19, in order between quartz ampoule that has inserted ozone generation lamp 19a and main body of ozone generator 19b, to realize and the mixing or react smoothly of pollutant, can directly fill the carrier 21 that has applied photocatalyst or uncoated photocatalyst.
At photocatalytic coating carrier 21 is in the photocatalysis Decomposition device 10 of tabular filter form 23, Burdick lamp 17 is configured to meet at right angles with air-flow direction and is parallel staggered with photocatalytic filter 23, and photocatalytic coating carrier 21 is filled with among the plate 21a of wire netting or perforate, so that ultraviolet shines on the photocatalytic coating carrier 21 well.
Remove the filter class of particle-like substance, according to the size of the particle that will remove and the inevitable pressure loss that be produced has been determined, therefore, the pressure loss of the integral body of air cleaner can be counted as and be decided by the shape that is filled in the photocatalytic coating carrier 21 in the photocatalysis Decomposition device 10,20.
As photocatalytic coating carrier 21, though the pearl form of considering pottery, glass etc. more,, voidage is low during owing to filling, thereby the pressure loss is big.In contrast, therefore the spring form of metal material when using as the photocatalytic coating carrier, can regulate the irradiation dose of the pressure loss and light owing to can carry out multiple change to its size, shape, thickness.In addition, utilize the method that makes surface corrosion with acid etc., it is concavo-convex that the surperficial ceramic-like situation of carrier 21 is had like that, thereby be expected to increase external surface area, therefore, can produce the good air-sterilizing-purifying apparatus of photocatalysis Decomposition reactivity.
According to the present invention, can regulate the output intensity of ozone lamp 19a or Burdick lamp 17 according to the concentration of pollutant, mainly utilize the sterilization and the decomposition reaction of photocatalysis Decomposition device for the pollutant of low concentration, when the concentration of pollutant is high, then can the decomposition efficiency of purifier be changed according to the amount of the pollutant that utilize ozone and photocatalysis Decomposition reaction treatment.
In addition, make by in the photocatalytic coating carrier 21 of filling in ozone reactor 19 and photocatalysis Decomposition device 10,20, using the spring or the fine wire form of the metal material that size and dimension regulates easily, can producing that rayed and light-catalyzed reaction surface area increase, the pressure loss reduces and make the output of aerator and the effect that noise reduces.
In addition, by the surface of employed carrier 21 being corroded artificially, can produce the surface area that increases photocatalyst, the effect that improves adhesive force with acid etc.

Claims (9)

1. a composite air sterilization purifying device that has used ozone and photocatalysis Decomposition device is characterized in that, comprising:
The dust of removing emboliform pollutant remove filter (15),
According to the amount of pollutant make ozone generating unit (19) that the generating capacity of ozone changes,
By to the suspension antibacterial and pollutant sterilize and the Burdick lamp of resolution process (17) and applied with the titanium oxide be the photocatalysis Decomposition device that constitutes of the carrier (21) of the photocatalyst of main constituent,
Make contaminated air in the photo-catalyst purifier circulation aerator (14),
With the amount of pollutant be converted to the signal of telecommunication sensor part (25),
Can carry out the variable output stabiliser system of 100～5% variable adjustment according to the adjustment of the signal of telecommunication that receives by pick off or user to the output intensity of part or all Burdick lamp.
2. the composite air sterilization purifying device that has used ozone and photocatalyst decomposer according to claim 1, it is characterized in that described ozone generating unit (19) is the ultraviolet Burdick lamp (19a) that also has the wavelength of 184.9nm with the radiation of short wavelength's germicidal lamp except that 254.7nm.
3. the composite air sterilization purifying device that has used ozone and photocatalyst decomposer according to claim 1 is characterized in that, described ozone generating unit (19) is to utilize voltolising to generate the ozonator of ozone.
4. the composite air sterilization purifying device that has used ozone and photocatalyst decomposer according to claim 1, it is characterized in that the photocatalysis Decomposition device is with the Burdick lamp portion (17) and the successively staggered photocatalysis Decomposition device (10) that repeats to be provided with of tabular filter (23) of having filled photocatalytic coating carrier (21).
5. the composite air sterilization purifying device that has used ozone and photocatalyst decomposer according to claim 1, it is characterized in that described photocatalysis Decomposition device is the photocatalysis Decomposition device (20) of directly having filled photocatalytic coating carrier (21) around the quartz ampoule (22) that has inserted Burdick lamp (17).
6. the composite air sterilization purifying device that has used ozone and photocatalyst decomposer according to claim 1, it is characterized in that, photocatalytic coating carrier (21) is a kind of in ferrum, rustless steel, aluminum, nickel, copper, silver, the nickel-chromium alloy, be that thickness is the spring form of 0.1～3mm, diameter 1～15mm, high 3～25mm, pitch 0.1～5mm, in the sulphuric acid of employing 5～30%, hydrochloric acid, the nitric acid any one, behind corrosion surface 0.001～1mm, the roughening, coated with the photocatalyst of titanium dioxide as main constituent.
7. the composite air sterilization purifying device that has used ozone and photocatalyst decomposer according to claim 1, it is characterized in that, with titanium dioxide as the photocatalyst of main constituent be in titanium dioxide, add in platinum (Pt), silver (Ag), palladium (Pd), nickel (Ni), stannum (Sn), chromium (Cr), ferrum (Fe) or their oxide more than a kind or 2 kinds, and to make their content be that 0～5% of titanium oxide obtains.
8. the composite air sterilization purifying device that has used ozone and photocatalyst decomposer according to claim 5, it is characterized in that, directly be filled in quartz ampoule (22) around photocatalytic coating carrier (21) be with use that a kind of selecting in the middle of rustless steel from the following thickness of 1mm, ferrum, nickel, the silver processes bigger than quartz ampoule diameter, than the longer net of the length of quartz ampoule, be inserted in formation between quartz ampoule and the main body (18) fold.
9. the composite air sterilization purifying device that has used ozone and photocatalyst decomposer according to claim 5, it is characterized in that, to the inwall of the photocatalyst decomposer main body (18) of filling fixing described photocatalytic coating carrier (21), carry out gloss finish or make it bright with any one the plated film in the middle of the above silver of 0.1 μ m, chromium, the aluminum.
CNB2004100059726A 2003-02-21 2004-02-23 Used the composite air sterilization purifying device of ozone and photocatalysis Decomposition device Expired - Fee Related CN100558412C (en)

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