CN201643038U - Photocatalytic disinfection reactor and air purifier applying same - Google Patents

Abstract

The utility model provides a photocatalytic disinfection reactor and an air purifier applying the reactor. The air purifier comprises a shell, a filter arranged in the shell, a circuit system, a photocatalytic disinfection reactor and a fan; an air inlet passes through the filter and the photocatalytic disinfection reactor in sequence and is connected with an air outlet through the fan; the photocatalytic disinfection reactor comprises a plurality of parallelly arranged catalytic boards, a plurality of connecting boards connected with two sides of each of the catalytic boards, ultraviolet lamps arranged in the catalytic boards and an electrical box; an opening is formed on each catalytic board; the ultraviolet lamps are arranged in the catalytic boards in a penetrating manner after passing through the openings; and the connecting boards are fixedly connected with two sides of each of the parallelly arranged catalytic boards at intervals and are vertical to the catalytic boards. The photocatalytic disinfection reactor enlarges the reaction and disinfection area and the air flow with ultraviolet light by adopting the plurality of parallelly arranged catalytic boards coated with photocatalyst layers and improves the disinfection efficiency. The utility model also provides an air purifier applying the photocatalytic disinfection reactor; and the photocatalytic disinfection reactor can be conveniently and quickly assembled and disassembled without a special tool and has more effective disinfection and air purification effect and convenient use.

Description

Photocatalysis disinfection reactor and use the air cleaner of this reactor

Technical field

This utility model relates to the air disinfecting and purifying device field, relates in particular to a kind of photocatalysis disinfection reactor that ultraviolet and photocatalyst material carry out disinfection and air cleaner of using this reactor of utilizing.

Background technology

In the air of people's living environment and vehicle, there are a large amount of air pollutants, as dust particle, anaphylactogen (for example pollen, house pet scurf, dirt demodicid mite feces, mycotic spore), and antibacterial, bacterium spore, mycete or mycotic spore, virus and VOC (VOC) etc.Therefore, utility model equipment and the method that can remove all contaminations has very big meaning.

A kind of method of using is to use air filter at present, as highly effective air (HEPA) filter, remove contaminate particulate in the air though can filter, but it allows still some littler particles to pass through, and is 0.3 micron or following particle as diameter.Therefore, be necessary to develop second method, as the photocatalysis filter method.The hydroxy that this method produces usually and a large amount of super oxidative ionic microgranule are exposed under the ultraviolet, these hydroxys and super oxidative ionic, can carry out oxidation reaction with airborne pollutant, pollutant are resolved into simple molecule, as carbon dioxide and water, in and biological capacity (i.e. sterilization) such as airborne spore, antibacterial, mycete or the virus of any work.In addition, also can reduce and eliminate anallergic biology and anaphylactogen.

Present some ultraviolet light catalyzing air purifiers on market, though effectively, often there is very big problem in these equipment in installation and maintenance.Such as, ultraviolet light source, the life-span of equipment such as electronic building brick and photocatalytic filter is limited (normally 1 year or following), is difficult to finish and the maintenance of these assemblies and replacing are nontechnical users.If change, must dismantle air purifier by tool using, ultraviolet light source and electronic building brick thereof are taken out, with the assembly that more renews, and then the refitting entire machine.Therefore, the use for non-technology and layman has inconvenience.

And have the ultraviolet light catalyzing air purifier on market now,, limited the mobile speed of air, and then reduced its air cleaning rate by adopting complicated catalysis net structure.And most of air purifiers are to use air circulation to purify.Its principle is, drains into indoorly after the indoor air that does not purify is partly purified again, and cleaned air passes is mixed with the air that does not purify, and like this, constantly purifies and discharges.If the complexity as a result of catalysis net or assembly and blocks air circulation, can cause the ultraviolet light catalyzing air disinfection purifier, be difficult to reach due efficient.

Therefore, still remain further to be improved at ultraviolet light catalyzing air cleaner design aspect.

The utility model content

The purpose of this utility model provides a kind of photocatalysis disinfection reactor, and its light-catalyzed reaction area is big, can improve speed air flow, improves disinfection efficiency, more effectively the sterilizing and purifying air.

Another purpose of the present utility model provides a kind of air cleaner of using above-mentioned reactor, and the dismounting simple and fast need not utilize instrument to carry out dismounting, uses convenient.

For achieving the above object, this utility model provides a kind of photocatalysis disinfection reactor, comprise: several pieces catalytic plates that be arranged in parallel, be connected the catalytic plate both sides several pieces connecting plates, be located at uviol lamp in the catalytic plate, and electrical equipment box, each catalytic plate is provided with perforate, uviol lamp passes perforate and provides in catalytic plate, the connecting plate fixed interval is connected parallel catalytic plate both sides, perpendicular to catalytic plate.

Described several pieces catalytic plate parallel interval are provided with, and scribble photocatalyst layer on each catalytic plate surface, are titanium dioxide or other photocatalyst materials.

Described catalytic plate is rectangle, triangle or polygon, and the plastics that catalytic plate adopts metallic plate or scribbles metal coating are made.

The vertical catalytic plate of described connecting plate, the interval alternately is fixed on the relative both sides of catalytic plate, and each connecting plate connects several pieces catalytic plates, the catalytic plate of independent parallel is connected into the column structure of the non-complete closed of a two side ends.

Uviol lamp is interspersed in the perforate of several pieces catalytic plates, its two end exposes to outside the catalytic plate of two outboard ends, the electrical equipment box is connected on the outboard end catalytic plate, be provided with circuit module in it, circuit module comprises ballast and attaching plug, in the uviol lamp one terminal ccontaining electrical equipment box, electrically connects with ballast, the catalytic plate of an outboard end of the other end of electrical equipment box is provided with a housing relatively, in the ccontaining housing of the uviol lamp other end.

Described circuit module adopts alternating current 100V-240V, 50Hz-60Hz.

This utility model provides a kind of air cleaner of using above-mentioned reactor, comprising: shell, be located at filter in the shell, Circuits System, photocatalysis disinfection reactor, and blower fan, shell is provided with air inlet and gas outlet; Air enters from air inlet and passes through filter, photocatalysis disinfection reactor successively, delivers to the gas outlet by blower fan again.

Filter is high efficiency particle air filter or other filters, is located at the rear of photocatalysis disinfection reactor.Blower fan is located at the place ahead of photocatalysis disinfection reactor, will deliver to the gas outlet through the air of photocatalysis disinfection reactor.

The photocatalysis disinfection reactor comprises: several pieces catalytic plates that be arranged in parallel, be connected the catalytic plate both sides several pieces connecting plates, be located at uviol lamp in the catalytic plate, and electrical equipment box, catalytic plate is provided with perforate, uviol lamp passes perforate and provides in catalytic plate, the connecting plate fixed interval is connected parallel catalytic plate both sides, perpendicular to catalytic plate.

The photocatalysis disinfection reactor also is provided with a panel, and the photocatalysis disinfection reactor is fixed on the panel by fixture, and fixture comprises support plate and place folder on the support plate that the photocatalysis disinfection reactor is fixed on the folder by the electrical equipment box and the housing at two ends.

Panel is provided with at least one through hole, and blower fan is located at the panel opposite side over against through hole, will deliver to the gas outlet through the air of photocatalysis disinfection reactor.

The utlity model has following beneficial effect is: the photocatalysis disinfection reactor that this utility model provides, and adopt several pieces catalytic plates that scribble photocatalyst layer to be arranged in parallel, increasing reacts the sterilization area with ultraviolet light and air flows, and improves disinfection efficiency; This utility model also provides the air cleaner of using above-mentioned photocatalysis disinfection reactor, does not need special instrument to be dismantled and assembled photocatalysis disinfection reactor, and is simple and efficient, and the sterilizing and purifying air is more effective, easy to use.

In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for this utility model is limited.

Description of drawings

Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by the specific embodiment of the present utility model is described in detail.

In the accompanying drawing,

Fig. 1 is the schematic perspective view of this utility model one embodiment photocatalysis disinfection reactor;

Fig. 2 is the horizontal cross of Fig. 1;

Fig. 3 is the plane graph of Fig. 2;

Fig. 4 is the figure of a portion of end office (EO) of Fig. 1;

Fig. 5 is the horizontal sectional drawing of Fig. 4;

Fig. 6 is the other end horizontal cross of Fig. 1;

Fig. 7 is that photocatalysis disinfection reactor of the present utility model is fixed in the structure chart on the fixture;

Fig. 8 is fixed in structure chart on the panel for Fig. 7;

Fig. 9 is the construction profile of air purifier of the present utility model;

Figure 10-11 be in this utility model photocatalysis disinfection reactor connecting plate connected mode difference to the sketch map that influences of air flow property.

The specific embodiment

Below in conjunction with accompanying drawing this utility model is described in detail.

Shown in Fig. 1-6, photocatalysis disinfection reactor 100 for this utility model one embodiment, comprise: several pieces catalytic plates that be arranged in parallel 104, be connected catalytic plate 104 both sides several pieces connecting plates 112, be located at uviol lamp 108 in the catalytic plate 104, and electrical equipment box 114, catalytic plate 104 is provided with perforate 106, uviol lamp 108 passes perforate 106 and provides in catalytic plate 104, connecting plate 112 fixed interval are connected parallel catalytic plate 104 both sides, perpendicular to catalytic plate 104.

Described catalytic plate 104 adopts metal material to make, and as aluminium sheet or steel plate, also can adopt the plastics that are covered with metal coating to make, catalytic plate 104 can be rectangular slab, triangular plate or polygonal panel, in the present embodiment, catalytic plate 104 adopts square plate, is of a size of 70 millimeters * 70 millimeters * 0.5 millimeter.Catalytic plate 104 surface coated have photocatalyst layer, and preferred titanium dioxide also can adopt other photocatalyst material coatings.Be provided with a perforate 106 in the middle of each catalytic plate 104, in the present embodiment, perforate 106 diameters are 15 millimeters, and several pieces catalytic plates 104 be arranged in parallel, and its interval 110 distances can be the 1-20 millimeter, preferred 2-7 millimeter, and present embodiment adopts 5 millimeters.Each perforate 106 forms a passage relatively; uviol lamp 108 interts in the perforate 106; its two end exposes to outside the catalytic plate 104 of two outboard ends; electrical equipment box 114 is connected on the outboard end catalytic plate 104; be provided with circuit module in it; circuit module comprises that ballast 202 reaches and attaching plug 204; in the uviol lamp 108 1 terminal ccontaining electrical equipment boxes 114; electrically connect with ballast 202; the catalytic plate 104 of an outboard end of the other end of electrical equipment box 114 is provided with a housing relatively; in the ccontaining housing 206 of uviol lamp 108 other ends, thereby can protect uviol lamp 108 ends to avoid damaging.Usually the germicidal wavelength of ultraviolet light is 100-280～300nm, and in the latter end sterilizing ability maximum of its wavelength, and the ultraviolet wavelength maximum can reach 385nm, and in the present embodiment, adopting ultraviolet wavelength is the uviol lamp of 185-254nm.The circuit module that drives uviol lamp 108 adopts alternating current to can be 100V-240V, 50Hz-60Hz, and the low-frequency setting of low pressure makes this reactor can be widely used in various places.Connecting plate 112 is connected the wherein relative both sides of catalytic plate 104 with welding or bonding method, connecting plate 112 essence are perpendicular to catalytic plate 104, each connecting plate 112 vertical several pieces catalytic plate 104 that connect, the connecting plate 112 alternate intervals settings of catalytic plate 104 both sides, thereby connect into the column structure of the non-complete closed of a two side ends with several pieces catalytic plates 104, like this, the air that can be beneficial to both sides flows, constantly to carry out disinfection.

Consult Fig. 7-9, use the air cleaner 800 of above-mentioned reactor for this utility model, it comprises: a shell 806, place filter 802 in the shell, Circuits System (not shown), photocatalysis disinfection reactor 100, and blower fan 804, shell is provided with air inlet (not shown) and gas outlet (not shown), air enters along arrow 808 from air inlet, flow through successively filter 802, photocatalysis disinfection reactor 100 and blower fan 804, blower fan 804 are delivered to the gas outlet with cleaned air passes and are flowed out along arrow 810.

Described filter 802 adopts high efficiency particle air filter, also can adopt other filters, filter 802 can be installed on the rear of photocatalysis disinfection reactor, blower fan 804 corresponding the place aheads that are installed on photocatalysis disinfection reactor 100, photocatalysis disinfection reactor 100 also is provided with a panel 700, be fixed on the panel 700 by fixture 600, this fixture 600 comprises support plate 606 and places folder 602 on the support plate 606,604, photocatalysis disinfection reactor 100 is individually fixed in folder 602 by the electrical equipment box 114 and the shell 206 at two ends, on 604, also be provided with at least one through hole 702 on the panel 700, blower fan 804 is located at panel 700 opposite sides over against through hole 702.What deserves to be mentioned is that photocatalysis disinfection reactor 100 of the present utility model can directly insert in this air cleaner 800 and to use, during replacing, can directly transfer to and change, thus when having avoided the user to change because the inconvenience that the shortage professional technique causes.

During use, air 808 enters from air inlet along arrow, the filtration of process filter 802 earlier, with airborne microgranule elimination, air flow after the filtration is to photocatalysis disinfection reactor 100, wherein photocatalyst layer and the ultraviolet light on the catalytic plate 104 reacts, thereby carries out disinfection purification, and cleaned air passes is sent from the gas outlet along arrow 810 in blower fan 804 effect current downflow.

Especially, what photocatalysis disinfection reactor of the present utility model adopted is that surperficial several pieces catalytic plates that scribble photocatalyst layer be arranged in parallel, and in the photocatalysis structure of existing use box-shaped, its light-catalysed area increases greatly.With the photo catalysis reactor that is of a size of 70 millimeters * 70 millimeters * 230 millimeters box structure is the example explanation, the area that its gross area that carries out light-catalyzed reaction mainly is its wall and, therefore its gross area is calculated as 70 millimeters * 230 millimeters * 4, and product is 64440 square millimeters.And the photocatalysis gross area that uses this utility model photocatalysis disinfection reactor be each sheet catalytic plate area and, effective photocatalysis of each catalytic plate is regional for the plate area deducts therebetween perforated area, then is 70 millimeters * 70 millimeters * 2-3.14 * (15 millimeters/2) ²The result is 9378 square millimeters, and can place 44 catalytic plates in 230 millimeters length, the gross area that then obtains is 9378 square millimeters * 44, the result is 412632 square millimeters, this result is 6.40 times of The above results 64440, thereby as can be known, the catalysis area of photocatalysis disinfection reactor of the present utility model is far longer than the catalysis area of existing photo catalysis reactor.

Not only the catalysis area is big for photocatalysis disinfection reactor of the present utility model, and it hinders littler in the photo catalysis reactor of existing box of flowing of air.The photo catalysis reactor in existing 70 millimeters * 70 millimeters * 230 millimeters box structure is the example explanation, ignore the influence that hinders ultraviolet source, its effective air open space (being the free air flow area) only is 70 millimeters * 70 millimeters (being the device of top or bottom), and promptly its free air flow area is 4900 square millimeters; And effective air open space of smooth recall disinfecting reactor of the present utility model is 70 millimeters * 230 millimeters=16100 square millimeters, if catalytic plate is with 0.5 millimeter calculating of thickness, then deduct 44 (catalytic plate quantity) * 70 millimeters * 0.5 millimeter again, the end product that draws should be 16100 square millimeters-1540 square millimeters=14560 square millimeters, the free air flow area that is reactor of the present utility model is 14560 square millimeters, far above 4900 square millimeters.

If ultraviolet flow rate calculation with equalization, catalytic efficient is then long-pending proportional with catalytic surface, be directly proportional with the free air amount of flow of catalytic surface, can draw catalytic efficiency=catalysis area * air free stream, and air free stream=free air circulation area * free air velocity of liquid assets, then draw catalytic efficiency=catalysis area * free air circulation area * free air velocity of liquid assets, with in the equal environment more then air free air velocity of liquid assets equate and offset, be catalytic efficiency=catalysis area * free air circulation area.Therefore, the catalytic efficiency of the photo catalysis reactor of existing 70 millimeters * 70 millimeters * 230 millimeters box structure is: 64440 * 4900=315,756,000 square millimeters of photocatalyst * airflow area/square millimeters; And the catalytic efficiency of photocatalysis disinfection reactor of the present utility model is: 412632 * 14560=6,007,921,920 square millimeters of catalyst * square millimeter photocatalyst * airflow area/square millimeters.From The above results as can be known, catalytic efficiency of the present utility model is 19: 1 with existing catalytic efficiency ratio, and therefore, the catalytic efficiency of photocatalysis disinfection reactor of the present utility model is higher.

Consult Figure 10-11, be of the influence of the 112 connected mode differences of connecting plate in the photocatalysis disinfection reactor 100 to air flow property, as shown in figure 10, connecting plate 112 is for being connected on the catalytic plate 104 at interval, makes the non-complete closed in photocatalysis disinfection reactor 100 both sides, like this, the air of both sides can enter wherein, shown in arrow 908, thereby strengthens air flow amount, be beneficial to the mobile purification of air in the air cleaner 800, air-flow direction is shown in arrow 808,810; As shown in figure 11, for connecting plate 112 is connected catalytic plate 104 both sides, making photocatalysis disinfection reactor 100 both sides is closed state, like this, hindered the both sides air admission, shown in arrow 910, and then the amount of flow of obstruction air, be unfavorable for the mobile purification of air in the air cleaner 800.Therefore, even have large-area photocatalysis zone, also need to guarantee the high fluidity of air, with the purification efficiency of better raising air.

The operation principle of this utility model photocatalysis disinfection reactor is: photocatalyst layer titanium dioxide is under the effect of ultraviolet light, the molecular motion aggravation, become excited state, the top layer electronics is excited and is overflowed, and forms the electron-hole of positively charged on the top layer, thereby can capture the electronics of airborne hydrogen, water, produce the superoxide ion and the hydroxy of extremely strong Oxidation, it can play Oxidation with organic compound, and Organic substance is decomposed, and generates carbon dioxide and water.Therefore, adopt the effect of photocatalyst of titanium dioxide layer and ultraviolet light, the extremely strong oxidability of generation can be destroyed the cell membrane of antibacterial etc., and the Cytoplasm that makes antibacterial etc. runs off and dead; Or make viral protein coagulating, and resisting the activity of virus, sterilizing ability can reach more than 99%.For harmful substance that exists in the air and smell substance, with the photocatalyst of titanium dioxide layer collision that excites, it can absorb part energy, also become excited state, aggravated motion, and unstable, and the photodissociation reaction takes place, thus oxidizedly be decomposed into nontoxic, tasteless material, purified air.

In sum, the photocatalysis disinfection reactor that this utility model provides adopts several pieces catalytic plates that scribble photocatalyst layer to be arranged in parallel, and increasing reacts the sterilization area with ultraviolet light and air flows, and improves disinfection efficiency; This utility model also provides the air cleaner of using above-mentioned photocatalysis disinfection reactor, does not need special instrument to be dismantled and assembled photocatalysis disinfection reactor, and is simple and efficient, and the sterilizing and purifying air is more effective, easy to use.

The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection domain of this utility model accompanying Claim.

Claims (9)

1. photocatalysis disinfection reactor, it is characterized in that, comprise: several pieces catalytic plates that be arranged in parallel, be connected the catalytic plate both sides several pieces connecting plates, be located at uviol lamp in the catalytic plate, and electrical equipment box, each catalytic plate is provided with perforate, uviol lamp passes perforate and provides in catalytic plate, the connecting plate fixed interval is connected parallel catalytic plate both sides, perpendicular to catalytic plate.

2. photocatalysis disinfection reactor according to claim 1 is characterized in that, described several pieces catalytic plate parallel interval are provided with, and scribble photocatalyst layer on each catalytic plate surface, are titanium dioxide or other photocatalyst materials.

3. photocatalysis disinfection reactor according to claim 1 is characterized in that, described catalytic plate is rectangle, triangle or polygon, and the plastics that catalytic plate adopts metallic plate or scribbles metal coating are made.

4. photocatalysis disinfection reactor according to claim 1, it is characterized in that, the vertical catalytic plate of described connecting plate, alternately be fixed on the relative both sides of catalytic plate at interval, each connecting plate connects several pieces catalytic plates, the catalytic plate of independent parallel is connected into the column structure of the non-complete closed of a two side ends.

5. photocatalysis disinfection reactor according to claim 1, it is characterized in that, uviol lamp is interspersed in the perforate of several pieces catalytic plates, its two end exposes to outside the catalytic plate of two outboard ends, the electrical equipment box is connected on the outboard end catalytic plate, be provided with circuit module in it, circuit module comprises ballast and attaching plug, in the uviol lamp one terminal ccontaining electrical equipment box, electrically connect with ballast, the catalytic plate of an outboard end of the other end of electrical equipment box is provided with a housing relatively, in the ccontaining housing of the uviol lamp other end.

6. photocatalysis disinfection reactor according to claim 1 is characterized in that, described circuit module adopts alternating current 100V-240V, 50Hz-60Hz.

7. an air cleaner is characterized in that, comprising: shell, be located at filter in the shell, Circuits System, photocatalysis disinfection reactor, and blower fan, shell is provided with air inlet and gas outlet; Air enters from air inlet and passes through filter, photocatalysis disinfection reactor successively, delivers to the gas outlet by blower fan again;

Filter is high efficiency particle air filter or other filters, is located at the rear of photocatalysis disinfection reactor;

The photocatalysis disinfection reactor comprises: several pieces catalytic plates that be arranged in parallel, be connected the catalytic plate both sides several pieces connecting plates, be located at uviol lamp in the catalytic plate, and electrical equipment box, catalytic plate is provided with perforate, uviol lamp passes perforate and provides in catalytic plate, the connecting plate fixed interval is connected parallel catalytic plate both sides, perpendicular to catalytic plate;

Blower fan is located at the place ahead of photocatalysis disinfection reactor, will deliver to the gas outlet through the air of photocatalysis disinfection reactor.

8. air cleaner according to claim 7, it is characterized in that, photocatalysis disinfection reactor one side also is provided with a panel, the photocatalysis disinfection reactor is fixed on the panel by fixture, fixture comprises support plate and places folder on the support plate that the photocatalysis disinfection reactor is fixed on the folder by the electrical equipment box and the housing at two ends.

9. air cleaner according to claim 8 is characterized in that panel is provided with at least one through hole, and blower fan is located at the panel opposite side over against through hole, will deliver to the gas outlet through the air of photocatalysis disinfection reactor.

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