CN201921161U - Photoelectric catalytic air purification device with turbulent air duct - Google Patents

Photoelectric catalytic air purification device with turbulent air duct Download PDF

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Publication number
CN201921161U
CN201921161U CN2011200203845U CN201120020384U CN201921161U CN 201921161 U CN201921161 U CN 201921161U CN 2011200203845 U CN2011200203845 U CN 2011200203845U CN 201120020384 U CN201120020384 U CN 201120020384U CN 201921161 U CN201921161 U CN 201921161U
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air channel
photoelectrocatalysis
arc
air
turbulent
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Expired - Fee Related
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CN2011200203845U
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Chinese (zh)
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袁伟雄
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Abstract

The utility model discloses a photoelectric catalytic air purification device with a turbulent air duct, comprising a shell and an air supply mechanism on the shell, wherein an air outlet is arranged on the shell. The photoelectric catalytic air purification device with the turbulent air duct is characterized in that the air supply mechanism is connected with the air outlet through an arc air duct; an electric corona emitter is arranged on the arc air duct; the electric corona emitter and the inner wall surface of the arc duct are respectively and electrically connected with a power supply; a photoelectric catalytic layer is coated on the inner wall surface of the arc duct; and the inner wall surface of the arc duct forms a dust collection and purification surface under the environment of an electric field. The air purification device is reasonable in layout of structure space, large in dust collection area, high in purification efficiency, wide in purification range, low in wind resistance and low in energy consumption.

Description

A kind of photoelectrocatalysis air cleaner with turbulent air channel
Technical field
This utility model patent relates to a kind of photocatalysis air cleaning device, and particularly a kind of air purifier of new generation with the photoelectrocatalysis air cleaner in turbulent air channel is applicable to fields such as domestic, automobile, medical treatment, public health.
Background technology
At present, existing depurator mainly contains following several mode: adsorption-type, electrostatic or the like, the mode that above purification style has adopted wind pushing mechanism and control of dust purification assembly to be standalone module and to combine usually, wind pushing mechanism can adopt crossing current, axial flow, axial-flow fan that the contaminated air band is crossed collection assembly of dust, the control of dust purification assembly is retained down airborne pollutant, so air is purified.
Because the control of dust purification assembly has certain windage, requires high more purification efficiency, windage is also just big more, therefore for obtaining bigger purification efficiency, power that must expanded motor could obtain than higher purification efficiency, and because of the raising of wind speed, windage increases and also produced bigger noise simultaneously.Air purifier for adopting the electrostatic precipitation technology if wind speed is too high, then is easy to generate reentrainment of dust, reduces purification efficiency.
No matter adopt cross flow fan or aerofoil fan or axial-flow fan, its air channel takes up room all very big, and the air channel adds that the general volume of the depurator product of control of dust cleaning module composition is all bigger, and efficient is low, and this has brought restriction also for the technical development of depurator product.
Yet, the complexity of the multiformity of air pollution kind and air constituent, pollutant, traditional purification techniques such as known common contamination class such as PM10, microbial virus antibacterial, abnormal flavour, TVOC can only can't reach simultaneously the multiple pollutant of purification comprehensively at a kind of pollutant wherein usually in the air at present.
Summary of the invention
The purpose of this utility model patent is to overcome the deficiencies in the prior art, provide that a kind of structure space is rationally distributed, dust-collecting area is big, make purification efficiency height and purification scope wide, low simultaneously windage, reduces the photoelectrocatalysis air cleaner with turbulent air channel of energy consumption.
The utility model purpose of this utility model patent is achieved in that a kind of photoelectrocatalysis air cleaner with turbulent air channel, comprise housing and the wind pushing mechanism that is arranged on the housing, housing is provided with air outlet, it is characterized in that: described wind pushing mechanism is connected with air outlet by the arc air channel, described arc is equipped with corona emitter on the air channel, the internal face in corona emitter and arc air channel is electrically connected with power supply respectively, the internal face in described arc air channel is coated with the photoelectrocatalysis layer, and the internal face in this arc air channel forms control of dust and purifies face under electric field environment.
Further improve according to such scheme, described corona emitter surface-coated has the photoelectrocatalysis layer.
Described photoelectrocatalysis layer is a titanium dioxide layer.
Described photoelectrocatalysis layer topical application is at the sidewall of arc air channel internal face.
Described photoelectrocatalysis layer is coated with the whole sidewall of full arc air channel internal face.
Described corona emitter is needle-like, wire, zigzag, star-like, barb type or fish bone well structure.
The sidewall in described arc air channel is five metals plate, electroplating plastic plate, metallic film or wire netting.
Described wind pushing mechanism comprises axial-flow fan, aerofoil fan or crossflow fan.
This technology utilization can be used as independently, and cleaning equipment also can be used in combination with other clean units.
This technology also can be compound in products such as the various products that supply air system arranged such as air-conditioning, central air-conditioning, warm-air drier, fan.
The photoelectrocatalysis air cleaner advantage that this utility model patent has turbulent air channel is:
(1) by arc air channel and wind pushing mechanism respective outer side edges, wind pushing mechanism changes air and flows, the arc air channel is used for guiding and changes wind direction, because wind pushing mechanism effect, certain horizontal blast has been born in the arc air channel, and wind-force and electric field force are equidirectional or the less acute angle of angle, thereby on the arc air channel, form turbulent flow, therefore, under lower voltage condition, can allow airborne pollutant fully contact with the internal face of corona emitter with the arc air channel, make the efficient of control of dust and catalytic reaction higher, and reduce energy consume greatly.
(2) because the curved setting in air channel, make the space in air channel bigger, compare with the conventional electrostatic dust collect plant, contaminated air is far longer than the time of passing through electrostatic dust-collecting device through the time in air channel, therefore airborne pollutant have the more time deposition, have improved purification efficiency greatly.
(3) internal face that scribbles the arc air channel of photoelectrocatalysis layer forms control of dust and purifies face under electric field environment, make charging area can cover whole air channel or part air channel, and accumulation area can cover whole air channel, can obtain bigger dust-collecting area, make pollutant fully charged and be adsorbed, not only rationally utilize the space, and further improve purification efficiency.
(4) local respectively or all apply the photoelectrocatalysis layer on arc air channel and the corona emitter, utilize the electric field Catalysis Principles to produce the electromagnetic wave exciting light catalyst that meets light-catalyzed reaction crack energy, produce hole-electron pair, hole-electron pair and airborne waterishlogging are given birth to reaction, generation has the hydroxyl radical free radical (.OH) of strong oxidizing property, and further produces hydrogen peroxide (H 2O 2), these reactants have powerful oxidisability, can decompose gaseous contaminant (formaldehyde, benzene etc.) and killing microorganisms pollutant (antibacterial, virus etc.), therefore can comprise PM10, abnormal flavour, kill bacteria, TVOC etc. at multiple pollutant simultaneously, enlarge the purification scope.
(5) the arc air channel has certain space, the corona emitter of high-pressure electrostatic is installed under the situation that does not influence the wind pushing mechanism running, this corona emitter adopts tiny shape and structures such as needle-like, wire, zigzag, star-like, barb type or fish bone well usually simultaneously, reduces windage greatly.
Description of drawings
Accompanying drawing 1 is the structural representation of this utility model patent working example.
Accompanying drawing 2 is the structural representation of control of dust purification assembly in this utility model patent working example.
Accompanying drawing 3 is the structural representation of this utility model patent working example arc air channel internal face.
Accompanying drawing 4 is the cut-away view in this utility model patent working example arc air channel.
Accompanying drawing 5 is the structural representation of this utility model patent working example axial-flow fan.
Accompanying drawing 6 is the structural representation that this utility model patent working example axial-flow fan is removed housing.
Accompanying drawing 7 is the structural representation that another embodiment aerofoil fan of this utility model patent is removed housing.
Accompanying drawing 8 is the structural representation of this utility model patent working example user mode.
Accompanying drawing 9 is the enlarged diagram of A in this utility model patent working illustration 8.
Accompanying drawing 10 be among another embodiment of this utility model patent arc air channel and corona emitter concern sketch map.
The specific embodiment
Below in conjunction with accompanying drawing this utility model patent is further described.
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and shown in Figure 10, the described photoelectrocatalysis air cleaner of this utility model patent with turbulent air channel, it comprises housing 1, is arranged at wind pushing mechanism 2 and arc air channel 7 on the housing 1, and housing 1 is provided with air outlet 3.Wherein, wind pushing mechanism 2 is connected with air outlet 3 by arc air channel 7, arc air channel 7 is equipped with corona emitter 5, the internal face 8 in corona emitter 5 and arc air channel 7 is electrically connected with power supply 6 respectively, this power supply 6 is preferably the power supply into the 10000-30000 volt, specifically can be the positive high voltage power supply, negative high voltage power source or alternating-current pulse power supply, wherein the positive high voltage power supply is applicable to the occasion use of low-ozone amount, negative high voltage power source is suitable for general conventional place to be used, the alternating-current pulse power supply then is applicable to the particulate occasion use bigger than resistance in space, in addition, the power supply 6 that the technical program adopted also can in press or or low pressure, though voltage is lower, as long as the electric field existence, also can realize follow-up dust collecting effect (certainly, integrated effect does not have highly compressed good certainly).And, the internal face 8 in described arc air channel 7 is coated with photoelectrocatalysis layer 4, the internal face 8 in this arc air channel 7 forms control of dust and purifies face under electric field environment, in like manner, under the power supply situation of above-mentioned 10000-30000 volt, electric field intensity is big, the increase that the distance of corona emitter 5 and photoelectrocatalysis layer 4 can be suitable; If under the situation of middle pressure or low pressure, as long as corona emitter 5 is enough little with the distance of photoelectrocatalysis layer 4, making electric field have sufficient intensity to activate the above-mentioned photoelectrocatalysis layer 4 of catalysis gets final product, also just realize the contaminated air band being crossed arc air channel 7, make cleaned air passes pass through air outlet 3 and discharge by wind pushing mechanism 2.
At practical situation, photoelectrocatalysis layer 4 is coated on the local surfaces or comprehensively of the corona emitter 5 of ionizing place, or photoelectrocatalysis layer 4 is coated on arc air channel 7 internal faces, 8 local surfaces or comprehensively, or the local surfaces of corona emitter 5 and collecting electrode 4 or both all are coated with photoelectrocatalysis layer 4 comprehensively.And the internal face 8 in arc air channel 7 comprises protecgulum inwall and bonnet inwall 82 that sidewall 81, arc air channel 7 center in the housing 1; this photoelectrocatalysis layer 4 also is coated on the protecgulum inwall and bonnet inwall 82 of sidewall 81, arc air channel 7 in the housing 1, and such photoelectrocatalysis layer 4 coated position all are within the protection domain that extended of this utility model patent structure.Wherein, the general structures such as the less needle-like of windages, wire, zigzag, star-like, barb type or fish bone well that adopt of this corona emitter 5.And photoelectrocatalysis layer 4 mainly comprises other catalysis material of titanium dioxide, and this photoelectrocatalysis layer 4 specifically can be included as TiO 2, ZnO, ZnS, Fe 2O 3, CdS, CdSe or WO 3Particle or be doped with among precious metals pt, Pd, Au, Rh or the Ag any one, or several TiO 2, ZnO, ZnS, Fe 2O 3, CdS, CdSe or WO 3Particle, or by TiO 2, ZnO, ZnS, Fe 2O 3, CdS, CdSe or WO 3The composite semiconductor catalyst of compound composition between particle, or by TiO 2, ZnO, ZnS, Fe 2O 3, CdS, CdSe or WO 3In the particle any one or a few and ZnO 2, HgS, PbS, AgI, SnO 2, SiO 2, ZrO 2Or Al 2O 3In the composite semiconductor light-catalyst of any one or a few compound composition.And, methods such as this photoelectrocatalysis layer 4 adopts composite plating, spraying, dip-coatings, whitewash, with photocatalysis layer 4 respectively appendix on the internal face 8 in arc air channel 7 with the surface of corona emitter 5 on, thereby shown in make the internal face 8 in arc air channel 7 under electric field environment, form one or more ionizings place control of dust purify face, as Fig. 3 and Fig. 4.
Yet, as Fig. 1, Fig. 5, shown in Figure 6, wind pushing mechanism 2 in this utility model embodiment is taked axial-flow fan, in axial-flow fan, be provided with corona emitter 5 and arc air channel 7, corona emitter 5 can independently respectively be installed with the arc air channel and is arranged on the housing, also can corona emitter 5 be connected as a single entity with arc air channel 7 and be installed on the housing 1, as shown in figure 10.By axial-flow fan and arc air channel 7 respective outer side edges, the wind wheel of axial-flow fan changes contaminated air by the blade wind cutting and flows, arc air channel 7 guiding and change air-polluting wind direction 9, make contaminated air import arc air channel 7 by axial-flow fan, because photocatalysis layer 4 is arranged on 7 internal faces 8 of arc air channel on the surface with corona emitter 5, corona emitter 5 is with 7 energisings of arc air channel and form the corona place.Contaminated air is through the corona place, this corona place produces ionization and exciting light electro-catalysis layer 4 under the effect of high voltage electric field, make the contaminant particle 10 negative electric charges of going up in the contaminated air of process, and contaminant particle 10 is collected on the control of dust purification face of opposite electrode, as Fig. 8, shown in Figure 9.And the sidewall 81 in the arc air channel 7 in this utility model can be five metals plate, electroplating plastic plate, metallic film or wire netting, selects according to reality is required.Like this, photoelectrocatalysis layer in this utility model is arranged on 7 internal faces 8 of arc air channel, also can decomposing formaldehyde and TVOC when being implemented in sterilization, control of dust, whole arc air channel 7 is purified face and obtains bigger dust-collecting area as control of dust, rationally utilize the space, also enlarge the purification scope, improve purification efficiency.
In addition, because the effect of axial-flow fan, certain horizontal blast has been born in arc air channel 7, and wind-force and electric field force are equidirectional or the less acute angle of angle, as shown in Figure 9.Under practical situation, be in the distinguished and admirable turbulent condition that is in arc air channel 7, make the contaminated air elapsed time be far longer than the time of the traditional electrostatic dust-collecting device of process, make contaminated air and arc air channel 7 maximized contacts to the greatest extent, thereby make airborne pollutant that the more time deposition be arranged.Therefore, under lower voltage condition, allow airborne pollutant fully contact with arc air channel 7, make the efficient of control of dust and catalytic reaction higher, and reduce energy consume greatly with corona emitter 5.And this utility model is cleaning for convenience, at the bonnet of axial-flow fan opening device is set, and by opening device bonnet is opened, because arc air channel 7 medial surface are smooth, cleaning easily.
Among another embodiment of this utility model patent, be with above-mentioned enforcement difference: wind pushing mechanism 2 is aerofoil fan.
Among the 3rd embodiment of this utility model patent, be with above-mentioned enforcement difference: wind pushing mechanism 2 is cross flow fan.
According to the above description, no matter wind pushing mechanism 2 be axial-flow fan, aerofoil fan or cross flow fan, difference to some extent in the design in arc air channel 7, but its blade wind cutting characteristic unanimity, therefore can the pollutant collection be attached to arc air channel 7 by designing.
Also have, because the corona emitter 5 that produces emission of ions has been installed in arc air channel 7, the static of its generation, electromagnetic wave also can exert an influence to the operation of motor simultaneously, therefore can add screening arrangement on the surface of motor and do ground connection processing, perhaps the antistatic that carries out of wind wheel are handled.
Moreover above-mentioned embodiment has only disclosed concrete structure characteristic of the present utility model and concrete function, and other extended structure of this utility model is not limited thereto, and understands by described concrete enforcement.

Claims (8)

1. photoelectrocatalysis air cleaner with turbulent air channel, comprise housing (1) and be arranged on wind pushing mechanism (2) on the housing (1), housing (1) is provided with air outlet (3), it is characterized in that: described wind pushing mechanism (2) is connected with air outlet (3) by arc air channel (7), corona emitter (5) is installed on the described arc air channel, the internal face (8) of corona emitter (5) and arc air channel (7) is electrically connected with power supply (6) respectively, the internal face (8) in described arc air channel (7) is coated with photoelectrocatalysis layer (4), and the internal face (8) in this arc air channel (7) forms control of dust and purifies face under electric field environment.
2. according to the described photoelectrocatalysis air cleaner with turbulent air channel of claim 1, it is characterized in that: described corona emitter (5) surface-coated has photoelectrocatalysis layer (4).
3. according to claim 1 or 2 described photoelectrocatalysis air cleaners with turbulent air channel, it is characterized in that: described photoelectrocatalysis layer (4) is a titanium dioxide layer.
4. according to the described photoelectrocatalysis air cleaner with turbulent air channel of claim 1, it is characterized in that: described photoelectrocatalysis layer (4) topical application is at the sidewall (81) of arc air channel (7) internal face (8).
5. according to the described photoelectrocatalysis air cleaner with turbulent air channel of claim 1, it is characterized in that: described photoelectrocatalysis layer (4) is coated with the whole sidewall (81) of full arc air channel (7) internal face (8).
6. according to the described photoelectrocatalysis air cleaner with turbulent air channel of claim 1, it is characterized in that: described corona emitter (5) is needle-like, wire, zigzag, star-like, barb type or fish bone well structure.
7. according to the described photoelectrocatalysis air cleaner with turbulent air channel of claim 1, it is characterized in that: the sidewall (81) in described arc air channel (7) is five metals plate, electroplating plastic plate, metallic film or wire netting.
8. according to the described photoelectrocatalysis air cleaner with turbulent air channel of claim 1, it is characterized in that: described wind pushing mechanism (2) comprises axial-flow fan, aerofoil fan or crossflow fan.
CN2011200203845U 2011-01-21 2011-01-21 Photoelectric catalytic air purification device with turbulent air duct Expired - Fee Related CN201921161U (en)

Priority Applications (1)

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CN2011200203845U CN201921161U (en) 2011-01-21 2011-01-21 Photoelectric catalytic air purification device with turbulent air duct

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Application Number Priority Date Filing Date Title
CN2011200203845U CN201921161U (en) 2011-01-21 2011-01-21 Photoelectric catalytic air purification device with turbulent air duct

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102120040A (en) * 2011-01-21 2011-07-13 袁伟雄 Photoelectrocatalysis air cleaning device having turbulence air channel
CN105641731A (en) * 2016-01-26 2016-06-08 河南新飞电器有限公司 Sterilization and deodorization device and method based on intensive pulse light and titanium dioxide photocatalysis

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102120040A (en) * 2011-01-21 2011-07-13 袁伟雄 Photoelectrocatalysis air cleaning device having turbulence air channel
CN102120040B (en) * 2011-01-21 2013-11-20 袁伟雄 Photoelectrocatalysis air cleaning device having turbulence air channel
CN105641731A (en) * 2016-01-26 2016-06-08 河南新飞电器有限公司 Sterilization and deodorization device and method based on intensive pulse light and titanium dioxide photocatalysis

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: KINGBY PHOTOCATALYSIS SCIENCE & TECH. CO., LTD.

Assignor: Yuan Weixiong

Contract record no.: 2013440000474

Denomination of utility model: Photoelectrocatalysis air cleaning device having turbulence air channel

Granted publication date: 20110810

License type: Exclusive License

Record date: 20131012

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110810

Termination date: 20190121