CN1593669A - Method and device for photocatalytic sterilization - Google Patents
Method and device for photocatalytic sterilization Download PDFInfo
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- CN1593669A CN1593669A CNA2004100496234A CN200410049623A CN1593669A CN 1593669 A CN1593669 A CN 1593669A CN A2004100496234 A CNA2004100496234 A CN A2004100496234A CN 200410049623 A CN200410049623 A CN 200410049623A CN 1593669 A CN1593669 A CN 1593669A
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Abstract
A photocatalytic sterilization method, the method comprising providing at least one radiation source, having a photocatalyst, preferably a nano-sized photocatalyst, on at least a portion of the surface of the radiation source device, and then activating the photocatalyst by the radiation source to sterilize. Also disclosed is a photocatalytic sterilization device comprising a radiation source part and a photocatalyst part, and other mechanical and electrical accessories, wherein at least part of the surface of at least one radiation source appliance is provided with a photocatalyst. In one embodiment, a photocatalytic sterilized water purification apparatus is provided, the apparatus further comprising a filtration device. In another embodiment, a photocatalytic sterilized lighting device is provided, comprising a lamp portion and a photocatalyst portion, wherein the lamp portion contains at least one lamp that is a radiation source, at least a portion of the surface of the lamp having a photocatalyst; or at least one photocatalytic film is arranged adjacent to the radiation source.
Description
Technical field
The present invention relates to a kind of method and apparatus of photocatalysis sterilization, be specifically related to use photocatalyst to excite the method and apparatus of sterilizing down at a kind of radiation source.This method and device can be used for sterilizing in air or the water, so that air or water quality are purified.The present invention be particularly suitable for civilian ventilation and/occasion, the especially public arena of air-conditioning; And aquarium, aquaculture and/or displaying case are drunk water tank, water storage devices such as water tower or pond.
Technical background
As everyone knows, there are many antibacterials in the air, pathogenic bacteria, virus or other Vector of infection, they can be by air borne, and contact skin and esophagus and respiratory tract are invaded human body, infect or the initiation some diseases thereby cause.For example be SARS pneumonia at the SARS of the unexpected outburst in Asia and America last year, and its aerial infection rate is quite high.Therefore, effectively prevent the aerial infection disease, carrying out sterilized to air is the current important topic that can not be ignored.
Along with the process of IT application, most of industries are many in office operation.The big workshop of automatization, big office, and in commercial and the amusement performance venue is many people's convergences mostly and be airtight relatively indoor scenarios; Generally all use and ventilate and/or air conditioner facility, should require to have good ventilation and sterilizing function.Because always there is the antibacterial of some in the air, and airtight relatively indoor scenarios, amount of bacteria must be higher than open occasion, and is then soaring relatively by the disease infection rate of aerial infection.When particularly using air-conditioning, air is in recurrent state, little antibacterial, the sources of infection such as pathogenic bacteria removed easily.
In addition, general domestic use of water, and the water in the aquarium class water storage device in any case all should keep certain cleannes, will prevent that especially amount of bacteria surpasses certain proportion in the sealing.But the bacterial growth procreation will take place in water in the water storage device at normal temperatures, thereby produces abnormal flavour.In order to purify water or antibacterial sterilization, generally in water, add an amount of chemical agent, as antibacterial such as chlorine, perhaps use other equipment such as filter, so that reach the purpose that purifies water or control antibacterial.Yet the equipment of filtered water or chemical agent itself causes easily and is difficult to control consumption, the animal that may cause secondary pollution or harm to culture.Therefore, the mode of interpolation chemical agent is not accepted gradually.
At present varied to the mode of air sterilization, for example use the physics mode of ultraviolet sterilizer, ozonator, air filter, use the chemical mode that sprays the volatility biocide etc.But these modes all have himself defective, use when ultraviolet sterilizer is preferably in nobody; Ozonator also has abnormal flavour outrageous except that with high costs; Air filter generally can not filter the tiny antibacterial of volume; Chemosterilant also may bring some side effect except that abnormal flavour is arranged.Therefore, press for a kind of without any side effect but also want convenient and simple sterilized device.
The prior art of using photocatalyst to purify air has many, for example CN 01268178, " photocatalysis air purifying device ", wherein photocatalytic reaction device is made up of the light-catalyzed reaction thin film and the ultraviolet source that are attached on the carrier, the light-catalyzed reaction thin film is the titanium deoxid film that utilizes magnetically controlled sputter method to prepare on carrier, and carrier is glass, metal, pottery or silk screen.When air passed through photocatalysis air cleaning device, harmful substances in air such as formaldehyde, benzene etc. were degraded under light-catalysed effect, generate nontoxic material, and airborne antibacterial are removed by ultraviolet light also, and therefore air is purified.CN02142101 " electric dust collector " discloses a kind of electric dust collector, be on the electric dust collector that contains ionization device, be coated with the titanium dioxide (TiO that has applied as photocatalyst substance on the surface of the grounding electrode plate of carrying out deodorization and antibacterial functions can reacting with the light that produces by the discharge lines corona discharge with grounding electrode plate and discharge lines
2).This electric dust collector not only has the absorption control of dust of dust but also can carry out deodorization and antibacterial functions.CN 02216058 " air cleaner " includes housing, the housing front has air intake, preposition filter course, high efficiency filter layer, the housing top or the back side have clean air outlet, have cellular photochemical catalysis oxidation unit based on titanium dioxide between air intake and clean air outlet.The high intensity ultraviolet lamp is housed above the photochemical catalysis oxidation unit.02,235,830 1 kinds of photocatalysis air cleaning devices of CN " a kind of photocatalysis air cleaning device that is applicable to central air-conditioning system is provided; and this device is made up of casing, light-catalyzed reaction thin film, thin film fixed support and ultraviolet source; wherein the central air-conditioning system of the specification of casing and adapted is supporting, and thin film is the titanium deoxid film for preparing on carrier.This device can be arranged in the assembled air-conditioner unit in the central air-conditioning system, in the new blower fan group, in the fan coil.When central air conditioning is worked, air has also just passed through photocatalysis air cleaning device by unit, harmful substances in air such as formaldehyde, benzene, VOC etc. degrade under light-catalysed effect, generate nontoxic material, and airborne antibacterial is also removed by ultraviolet light and photochemical reaction, and therefore air is purified.CN 03131831 " efficient pollution-less air sterilizer and sterilization method " discloses a kind of method of killing airborne virus and antibacterial by the synergism of ozone and optically catalytic TiO 2 expeditiously.This device air inlet 2 is positioned at an end of casing 1, air outlet 7 is positioned at the other end of casing, in the casing of an end of air inlet, be provided with blower fan 3, end at air outlet is provided with ozone decomposition filter 6, in the casing between blower fan and ozone decomposition filter, quartz burners 4 and the carriers 5 that scribble titanium dioxide are arranged in being provided with separately more, form ozone generating-device part A, ozone photolysis device part B, photocatalysis Decomposition device portion C.Method is to adopt the synergism of ozone and optically catalytic TiO 2 to carry out killing of virus and antibacterial in the air, and branch is taken off airborne ozone, kill virus and antibacterial then.
The photocatalyst water purification installation of prior art has many, for example CN 96251030, exercise question is " a photocatalysis water quality treater ", wherein use a photocatalysis bed and to the ultraviolet source of photocatalysis bed irradiating ultraviolet light, when pending water flows through the photocatalysis bed, the Organic substance of water is through irradiation under ultraviolet ray, photocatalyst in the water body produces powerful oxidant OH free radical, harmful organic compound in the degradation water effectively, processor can also lead to into oxygen, added oxygen generates ozone under action of ultraviolet light, biocidal efficacies is arranged, thereby realizes water purification, sterilization and detoxification.As photocatalyst WO is arranged
3, ZrO
2, TiO
2, V
2O
5, MoO
3, a kind of or its compositions in the Pt family material group.The turnover panel rotation that utilizes the rotation guipure on the driven by motor turning cylinder in the disclosed device of CN 97205501 " photocatalysis oxidation water purification device " and flexibly connect with the rotation guipure, turnover panel is fibrous by the photocatalyst that nylon wire surrounds in the framework, and available sunlight or uviol lamp cause photocatalysis oxidation reaction as light source.The specific surface area of its photocatalyst is big, can clean automatically, is easy to reclaim non-secondary pollution, purification efficiency height.Can be used for removing pollutant such as detergent, surfactant, pesticide in sanitary sewage, the industrial wastewater, be specially adapted to contain the purification and the purifying drinking water of the difficult organic pollution sewage that decomposes of low concentration.CN 99109719 " water purification installation and method thereof " discloses a kind of especially Oxidation of photocatalyst such as titanium dioxide of catalyst that utilizes, purify organic water purification installation in the former water, wherein add a kind of inorganic flocculating agent, and it is dispersed in catalyst granules; Be positioned at the oxidation reaction groove and be used to launch the light source (2) of ultraviolet with activating catalyst; By the electrochemical action of inorganic flocculating agent, the cohesion catalyst granules makes its separating tank of separating (8,12) from former water; The pH regulator instrument (11,6) that is used for making the catalyst granules particle diameter that is dispersed in the former water of oxidation reaction groove to remain on being equal to or less than 0.1mm.Be used in combination the prior art such as the CN 99118053 " photocatalytic reaction system for treating waste water " of filter, it comprises; Preprocessing process, this moment is by cohesion and precipitate the solid matter of removing in the waste water, and carries out pH regulator and slough ammonia; Mixed process, this moment through pretreated waste water in mixing pit with TiO
2Powder and reaction promoter mix; Photo-oxidation process, introduce at least one photocatalyst reactor through above-mentioned mixed waste water from the water inlet that is positioned at reactor bottom this moment, along with waste water upwards operation and circulation in the photocatalyst reactor, pollutant wherein are by photooxidation and decomposition, described photocatalyst reactor has a cylindrical shell, the turbulent flow plate that wherein has two center drillings at least, each plate is arranged along the inwall of housing according to certain interval, by the hole on these turbulent flow plates the quartz ampoule of establishing the UV lamp in one is housed; The catalyst recovery process, removed the waste water of pollutant at 3-5kg/cm this moment
2Pressure down by a TiO
2Catalyst recovery devices is purified water, described TiO
2Clay filter is housed in the catalyst recovery devices, and it is with TiO
2Powder is retained down and allows waste water filter, and some scraper plates also are housed, and they will be trapped in the lip-deep TiO of clay filter
2Powder scrapes off; Catalyst utilizes process again, the TiO that scraped this moment
2Powder is recycled and turns back in the above-mentioned mixing pit.Also have CN 01129979 " a kind of method of eliminating organic pollutant in photocatalytic fluidized bed ", filter plant wherein is used for removing the impurity in the organic exhaust gas.
Yet in all prior aries, some need use with ozone, and cost is higher; Though some uses titanium dioxide optical catalyst, it all is the material of micron order or larger particle, need to use instruments such as carrier, do not use nano level catalyst, also not directly with photocatalyst coating on light source or radiation source utensil surface, and neither one is used in combination filter simultaneously and purifies waste water in the application that purifies water, and filter only is used for reclaiming catalyst or filtering gas.
Summary of the invention
Therefore, the object of the invention provides a kind of without any side effect, convenient and simple sterilized method and apparatus.
Purpose of the present invention provides a kind of photocatalysis sterilization method, this method comprises provides at least one radiation source, part surface at least at this radiation source utensil has photocatalyst, and wherein preferred nano-scale photocatalyst makes radiation source intensify photocatalyst then and sterilizes.
Another object of the present invention provides a kind of photocatalysis sterilization device, comprise radiation source part and photocatalyst part, and other machineries and electric accessories, wherein the part surface at least of at least one radiation source utensil has photocatalyst, wherein preferred nano-scale photocatalyst.
In a preferred embodiment of the present invention, a kind of water purification installation of photocatalyst sterilization is provided, comprise tank, inlet tube and outlet tube, and sterilising part, wherein sterilising part comprises at least one radiation source utensil, the part surface at least of described radiation source utensil has photocatalyst.
In another preferred embodiment of the present invention, a kind of illuminator is provided, comprise light fixture part and photocatalyst part, it is radiation source that wherein said light fixture partly contains at least one lamp, on it at least part surface have photocatalyst; The perhaps radiation that this lamp can the launching excitation light catalyst, contiguous described radiation source place is provided with at least one photocatalyst diaphragm.
In recent years, catalysis technique reaches its maturity.The obvious fast reaction speed of catalyst, but itself does not participate in reaction.So-called photocatalysis is exactly at radiation source for example under the ultraviolet radiation, and catalysis material just can produce catalysis.Photocatalyst is of a great variety, sees above-mentioned prior art patent specification, and relatively more commonly used is titanium dioxide at present.The photocatalyst that the present invention uses comprises one or more of various prior art photocatalysts, wherein preferred Nano titanium dioxide granule, because nano-scale particle effect height, and be environment-friendly materials.Because the preferred nano-scale photocatalyst of the present invention, its granule is very fine, under radiation source irradiates, compares with the non-nano grade particles, make photocatalyst intensify more more thoroughly, thereby sterilization effect is better.Certainly, also can use other photocatalysts, all belong to category of the present invention so long as have the mode of nanometer materials.
It is varied to allow radiation source utensil surface have the photocatalyst mode, can use binding agent also can apply by other physics or chemical mode, PVD for example, CVD, spraying homepitaxy method.Certainly, photocatalyst also can be by the surface of other mode attached to the radiation source utensil.These coating methods all are well-known to those skilled in the art, can apply voluntarily fully, and are perhaps customized to manufacturer.
In the preferred embodiment of the present invention, photocatalyst material comprises Nano titanium dioxide granule and aqueous binders substantially, is about to photocatalyst and is bonded in radiation source utensil surface.Under the radiation source irradiates of ultraviolet or suitable wavelength (as 250-400nm), the titanium dioxide granule surface promptly produces electronics and electron-hole is right.When electron-hole contact water and oxygen, with its catalysis and decomposite the extremely strong free hydroxy of oxidability.Free oxidable decomposition water of hydroxy and airborne Organic substance, cleaning water quality and air, reductive water and airborne inorganic matter are removed abnormal flavour.Even can destroy cell membrane, make virus and inactivation of bacteria, thereby can antibacterially sterilize.Except that functions such as above-mentioned antibacterial sterilization, also have nontoxic, hydrophilic and self-cleaning function.
Sterilizing function is mainly realized jointly by photocatalyst and radiation source, also needs some simple electrical equipment and mechanical part such as electric wire certainly, the seal member of switch and waterproof etc.Device of the present invention also can further have some accessories, parts that can further use when for example being used for air sterilization such as air bell, connection tube, passage, airduct, ventilate fan etc.; Can add preceding diffuser when being used for water storage device, dividing plate, regional water-stop sheet, shutter, reflector plate etc.
When the inventive method is used for water storage device, can prevents the generation of harmful bacterium and infect procreation, make that amount of bacteria reduces in the water, make moss survive.And when using in the equipment of aquaculture product, nano-scale photocatalyst is removed the effect of the ammonia of aquatic animal feces generation in addition, makes aquatic animal more active, is beneficial to its healthy growth.For strengthening sterilization ability, preferably preferred oxygen supply in addition when being used for water storage device for example increases air blast, more can strengthen the effect that intensifies of free radical this moment.Also can add a kind of water filtration device again, make purification of water quality more completely.
When use is of the present invention in water storage device, preferably adopt the double hose fluorescent tube, one of them fluorescent tube is made radiation source.For simplicity, suitably the design section water-stop sheet separates two fluorescent tubes.Sterilising part need make flowing water contact photocatalyst, so that intensify the generation free radical, therefore will consider the electric insulation problem.This is easy to solve easily for a person skilled in the art.For example adopt insulating cement bonding and/or modes such as rubber or plastic seal, the energising part of electric component is isolated with water; Consider to be convenient for changing the design of fluorescent tube in passing, these are not difficult to apply.Can apply photocatalyst at the part surface of radiation source fluorescent tube, also can all apply.Employed fluorescent tube depends on the wavelength that intensifies of photocatalyst, if use titanium dioxide, fits best can produce ultraviolet fluorescent tube.If need at severe cold area under the situation of suitably heating, can consider to use infrared lamp and corresponding photocatalyst.Whole device size size comprises sink size wherein, and the quantity of fluorescent tube and size apply the area of photocatalyst and the power of fluorescent tube and motor pump, does not all have strict restriction, can decide according to user's needs fully.Transport for convenient the storage,, preferably device is made airtight substantially or sealing state also in order to keep clean.During use, the sealing member of the water gateway of casing is opened, connected the water inlet pipe of carrying flowing water, the energising back just can be used.Certainly, showing that with small aquatic products the case disjunctor can not seal when using, because aquatic animal needs oxygen.Under needs oxygen supply situation, opening connects blast apparatus in addition.If require high quality water matter, also can be further combined with any water filtering device, so that filter organic and/or inorganic particle impurity.In addition, the design of some other functions can be arranged also, slide rail for example, the rail groove, buckle, flexible runners, diffuser, reflector plate, loam cakes etc. are inspected so that make things convenient for the format device to open, the replacing of consumable accessories, and the flexible position etc. of adjusting.
When the inventive method was used in air sterilization, best incorporated was used and is ventilated and/or air conditioner facility.If desired, also can further add water supply facilities, increase airborne moisture,, thereby strengthen sterilization effect so that increase free hydroxy.Consider when using ultraviolet to cooperate titanium dioxide optical catalyst,, apparatus of the present invention can be installed in the inwall or the pipeline corner of ventilation shaft, so that prevent ultraviolet leakage for fear of the injury of ultraviolet to human body.Therefore, radiation source and photocatalyst can be separated, prepare a kind of photocatalyst diaphragm separately and be laid on inner-walls of duct, its opposite or near installation radiation source.Diaphragm-operated preparation is very simple, and available binding agent is bonded in photocatalyst on the matrix, also can use physics or chemical mode one or more layers photocatalyst of extension on matrix.Matrix can be plastics, glass, and metal or the like can be decided according to user's needs fully.
In addition, the inventive method and device also can be in conjunction with other equipment, for example a kind of illuminator.This device comprises light fixture part and photocatalyst part, and it is radiation source that wherein said light fixture partly contains at least one lamp, its at least part surface have photocatalyst; The perhaps radiation that this lamp can the launching excitation light catalyst, contiguous described radiation source place connects the photocatalyst part, and this part has at least one diaphragm that contains photocatalyst.Wherein, the preferred nano level photocatalyst of photocatalyst.Why radiation source part and photocatalyst being separated, be to consider that some occasion needs higher brightness, and the fluorescent tube of coating photocatalyst more or less will reduce some brightness.In addition, preferred this device with ventilate and/air-conditioning is used in combination, as long as further be provided with air vent at the contiguous place of diaphragm; Perhaps be provided with an air bell above light fixture, the air bell below connects the photocatalyst part, allows air vent or air bell be connected with ventilation shaft.Whole device size size, the quantity and the size that comprise fluorescent tube wherein apply the area of photocatalyst or the area of photocatalyst diaphragm, and the size of the power of fluorescent tube and other adnexaes such as air bell or the like, all do not have strict restriction, can decide according to user's needs fully.Obviously, the scope of application of this device is quite extensive, family, and hospital, the market, office, performance places etc. can both be used well.In addition, if desired, can in ventilation shaft, suitably spray a small amount of fine globule, perhaps design intake path and make the wind that is sent pass the water in the tank, so that increase airborne moisture.The rest may be inferred, can increase the oxygen supply facility equally; For example the individualized treatment chamber of hospital or other need not only be sterilized but also the occasion of oxygen supplement, perhaps needed a small amount of oxygen supplement to improve the occasion of sterilization effect.As needs, also can set up the facility of supplying with aromatic or anion; Also can increase an air filter forwardly; Perhaps in air filter, increase a kind of water supply facilities, thereby reach excellent sterilization effect.
Description of drawings
Fig. 1 is axonometric chart that is used for the water purification installation of water storage device embodiment of the present invention;
Fig. 2 is the part exploded perspective view of this water purification installation;
Fig. 3 is this water purification installation exploded perspective view;
Fig. 4 is this water purification installation cutaway view.
Fig. 5 represents that the present invention is used for the side view of an embodiment of air as a kind of illuminator;
Fig. 6 represents the side view of another preferred embodiment illuminator of the present invention;
Fig. 7 represents the side view of another preferred embodiment illuminator of the present invention;
The stereo appearance figure of Fig. 8 presentation graphs 6 devices;
The top view of Fig. 9 presentation graphs 6 devices;
The top view of Figure 10 presentation graphs 7 devices.
Wherein, same numbers is represented same parts.
Among the accompanying drawing 1-4,1 representative has the photocatalyst water purification installation; 11 represent the tank body; 111 representation switch; 112 represent electric wire; 113 representative lids are pulled; 114 represent water inlet pipe; 115 represent bend pipe; 116 represent filter tank; 117 represent filter; 118 represent dividing plate; 119 represent slide rail; 110 represent the buckle axle; The flexible runners of 12 representatives; 121 represent the rail groove; 13 represent loam cake; Diffuser before 14 representatives; 141 represent grab; 15 represent the double hose fluorescent tube; The illuminating fluorescent tube of 151 representatives; 152 representatives apply the fluorescent tube of photocatalyst; The regional water-stop sheet of 16 representatives; 17 represent shutter; 18 represent reflector plate.
Among the accompanying drawing 5-10,1B represents light fixture, and 11B and 12B are concrete ultraviolet light fixture, and 13B represents air bell, and 14B represents connection tube, and 15B represents passage, and 2B represents the photocatalyst diaphragm, and 3B is an airduct, and 4B is a ventilate fan.
The specific embodiment
Hereinafter be described in further detail the present invention with reference to embodiment in conjunction with the accompanying drawings, obviously, embodiment limits absolutely not only for explanation.
Adopt the double hose fluorescent tube, the whole coated with nano grade titanium dioxide of one of them surface of the light tube photocatalyst, another fluorescent tube plays a role in lighting; Unite the use filter simultaneously.Water purification installation of the present invention (1) comprises tank casing body (11), flexible runners (12), loam cake (13), preceding diffuser (14), double hose fluorescent tube (15), water-stop sheet (16), panel (17) and reflector plate (18).
In tank body (11) one sides switch (111) is arranged, wherein electric wire (112) connection fluorescent tube (15) all passes through water-proofing treatment, pulls (113) sealing by lid on it, and tank body (11) is provided with water inlet pipe (114) and runs through tank (11) bottom; Immersible pump is set in addition carries out pumping, so that allow its suction hose be communicated with this water inlet pipe (114), and the sheathed bend pipe of water inlet pipe (115).
The corresponding bend pipes of tank (11) one sides (115) locate to be provided with a filter tank (116), and this filter tank can be put into Filters (117) becomes filter, and the filter tank opposite side is provided with dividing plate (118).
Tank (11) below is provided with slide rail (119), and it is combined with the rail groove (121) of flexible runners (12), but so that should the flexible adjustment of flexible runners move left and right position.
Filter tank (116) one sides of tank (11) are provided with one group of buckle axle (110), and in the adjacent of tank (11), the grab (141) that pro-diffuser (14) is provided can with the buckle axle (110) of filter tank (116) buckle mutually, so just preceding diffuser and tank can be combined.
Lay a double hose fluorescent tube (15) in the diffuser (114) before above-mentioned, wherein a fluorescent tube (151) is made illumination usefulness, apply photocatalyst on another fluorescent tube (152) surface, it specifically is the nano level titanium dioxide optical catalytic agent, this fluorescent tube can radiate the radiation of ultraviolet or similar wavelength, so that allow photocatalyst realize intensifying free radical, illuminating effect also arranged simultaneously.
Double hose fluorescent tube (15) is located in the diffuser before above-mentioned (14), but setting area water-stop sheet (16) in case of necessity which is provided with shutter (17), and these two plates can separate two fluorescent tubes (151) and (152) of double hose fluorescent tube.Thus, just can when being used for culturing or showing aquatic products, this device can avoid aquatic animal contact photocatalyst.In addition, in double hose fluorescent tube (15) top, also can fix a reflector plate (18) and strengthen illumination.
Tank body (11) the available loam cake in top (13) is added a cover, and not only can avoid the water liquid stream to lose, and can also control its flow direction of guiding.
Now referring to Fig. 4, when water purification installation of the present invention (1) is positioned at the water storage device top, other establishes immersible pump, after the startup that water to be clean in the water storage device or air is mixed by water inlet pipe (114) importing tank body (11), and, after filter (117) filtration, be directed flowing through the fluorescent tube (152) that applies photocatalyst by the gap under the dividing plate (118) by bend pipe (115) introducing filter tank (116), flow out from its below then, become by purifying waste water of effectively filtering and sterilize.
Loam cake (13) the openable design of above-mentioned tank body (11) top and the buckle-type design of preceding diffuser (14) make this device conveniently retract observation and inspect, and change the operation of Filters and fluorescent tube easily.Be not difficult to find out that this device has excellent purification of water quality sterilization efficacy.If, more can strengthen the photocatalysis effect, and make the active more healthy growth of aquatic animal of breed in addition by outside oxygen supply.
2 one kinds of illuminators of embodiment
Now referring to Fig. 5, in the lighting (1B) a plurality of fluorescent tubes or bulb being arranged, is ultraviolet lamp tube wherein as (11B) and (12B); Its below is provided with photocatalyst diaphragm (2B) in the ultraviolet radiation direction, makes this ultraviolet lamp tube and the photocatalyst diaphragm generation of vicinity intensify effect, thereby can be antibacterial to sterilizing in the air, makes it to purify.Using this utility model illuminator place to have under the situation of ventilation and/or air-conditioning, interior ultraviolet lamp tube (the 11B of above-mentioned light fixture (1B), 12B) the below bottom parts can further be provided with the passage (15B) that runs through, behind the suction function in conjunction with ventilation and/or air conditioner facility, the passage (15B) that allows gas pass through light fixture (1B) is inhaled into ventilation equipment or air conditioner facility circulates.Behind gas process light fixture (1B) and the diaphragm (2B), it is antibacterial just to have obtained sterilization.
In addition, can cancel diaphragm (2B), with photocatalyst directly be coated in ultraviolet lamp tube (11B, 12B) on.
3 one kinds of illuminators of embodiment
Referring to Fig. 6, Fig. 8 and Fig. 9, can be provided with an air bell (13B) in light fixture (1B) top, take in succession on this air bell (14B), by connection tube in conjunction with the air conditioner facility, allow the gas of air-supply and refrigerative force air through by ultraviolet lamp tube (11B, 12B) Zhao She photocatalyst diaphragm (2B), thereby enhancing intensifies effect.Equally, still can cancel diaphragm, apply photocatalyst on the fluorescent tube.
4 one kinds of illuminators of embodiment
Referring to Fig. 7, Fig. 8 and Figure 10, the air bell (13B) of light fixture (1B) top is installed on the pressure fan (4B), and the air-supply that makes pressure fan come out is forced can strengthen equally and intensify effect through photocatalyst diaphragm (2B).Perhaps cancel diaphragm, use the ultraviolet lamp tube that applies photocatalyst.
The present invention more than has been described in detail in detail, and obviously, those skilled in the art can do many improvement and variation and not exceed spiritual scope of the present invention.
Claims (10)
1. photocatalysis sterilization method, this method comprises provides at least one radiation source, has photocatalyst at the part surface at least of this radiation source utensil, makes radiation source intensify photocatalyst then and sterilizes.
2. according to the process of claim 1 wherein that described radiation source is a uviol lamp, described photocatalyst is a nano-scale photocatalyst.
3. a photocatalysis sterilization device comprises radiation source part and photocatalyst part, and other machineries and electric accessories, it is characterized in that the part surface at least of at least one radiation source utensil has photocatalyst.
4. the water purification installation of a photocatalysis sterilization comprises tank, and inlet tube and outlet tube, and sterilising part is characterized in that sterilising part comprises at least one radiation source utensil, and the part surface at least of described radiation source utensil has photocatalyst.
5. according to the device of claim 4, it is characterized in that further comprising the motor and the water filtration part of pumping water, motor pump and water inlet pipe are positioned at the device outside, water inlet enters sterilising part after by filtration fraction again, filtration fraction comprises the Filters (117) in filter tank (116) and the filter tank, described radiation source is double hose fluorescent tube (15), and one of them is illuminating lamp tube (151), and another is the radiation source fluorescent tube (152) that applies photocatalyst.
6. according to the device of claim 5, it is characterized in that described double hose fluorescent tube (15) also is provided with regional water-stop sheet (16) and shutter (17), separates two fluorescent tubes (151,152).
7. according to the device of claim 5, it is characterized in that described tank body (11) below is provided with slide rail (119), described filtration fraction is provided with the rail groove (121) of combination with it, and described tank body also is provided with openable loam cake (13); The lamp of described sterilising part (15) top also is provided with preceding diffuser (14), and this diffuser also is provided with grab (141), and described filter tank (116) also is provided with buckle axle (110), both mutual buckles.
8. photocatalyst sterilization illuminator comprises light fixture part and photocatalyst part, it is characterized in that it is radiation source that described light fixture partly is provided with at least one lamp, on it at least part surface have photocatalyst; The perhaps radiation that this lamp can the launching excitation light catalyst, contiguous described radiation source place is provided with at least one photocatalyst diaphragm.
9. device according to Claim 8 is characterized in that contiguous described photocatalyst place further is provided with ventilation, and described air vent is communicated with wind facility hole outward.
10. device according to Claim 8 is characterized in that described light fixture part further comprises the air bell that is connected the light fixture top, and the air bell below connects the photocatalyst part, and described radiation source is a uviol lamp, and described photocatalyst is a titanium dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100496234A CN1593669A (en) | 2004-05-19 | 2004-06-22 | Method and device for photocatalytic sterilization |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420059546 | 2004-05-19 | ||
| CN200420059546.6 | 2004-05-19 | ||
| CN200420066608.6 | 2004-06-08 | ||
| CN200420066608 | 2004-06-08 | ||
| CNA2004100496234A CN1593669A (en) | 2004-05-19 | 2004-06-22 | Method and device for photocatalytic sterilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1593669A true CN1593669A (en) | 2005-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100496234A Pending CN1593669A (en) | 2004-05-19 | 2004-06-22 | Method and device for photocatalytic sterilization |
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| Country | Link |
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| CN (1) | CN1593669A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293163B (en) * | 2007-04-19 | 2013-07-24 | 雅高思先进科技有限公司 | Method and apparatus for purifying fluid |
| CN104309395A (en) * | 2014-11-06 | 2015-01-28 | 天津发洋环保科技有限公司 | Spray coating production line for photocatalytic calligraphy and painting |
| CN105276697A (en) * | 2014-06-03 | 2016-01-27 | 李琎熙 | Infrared anion air purifier |
| CN105923864A (en) * | 2016-06-14 | 2016-09-07 | 何明兴 | Water body systemized treatment device and method |
-
2004
- 2004-06-22 CN CNA2004100496234A patent/CN1593669A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293163B (en) * | 2007-04-19 | 2013-07-24 | 雅高思先进科技有限公司 | Method and apparatus for purifying fluid |
| CN105276697A (en) * | 2014-06-03 | 2016-01-27 | 李琎熙 | Infrared anion air purifier |
| CN104309395A (en) * | 2014-11-06 | 2015-01-28 | 天津发洋环保科技有限公司 | Spray coating production line for photocatalytic calligraphy and painting |
| CN105923864A (en) * | 2016-06-14 | 2016-09-07 | 何明兴 | Water body systemized treatment device and method |
| CN105923864B (en) * | 2016-06-14 | 2019-01-01 | 何明兴 | A kind of water body systematization processing unit and method |
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