CN106975351A - A kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology - Google Patents

A kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology Download PDF

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Publication number
CN106975351A
CN106975351A CN201710296025.4A CN201710296025A CN106975351A CN 106975351 A CN106975351 A CN 106975351A CN 201710296025 A CN201710296025 A CN 201710296025A CN 106975351 A CN106975351 A CN 106975351A
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electrode
photocatalysis
corona
voltage
pole plate
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CN201710296025.4A
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CN106975351B (en
Inventor
袁厚伟
刘睿
刘欣
于中东
俞献东
伍晓光
詹伟忠
戴飞鸿
许楷楠
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Shenzhen Li Li Novartis Technology Co Ltd
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Shenzhen Li Li Novartis Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/017Combinations of electrostatic separation with other processes, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/40Electrode constructions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708Volatile organic compounds V.O.C.'s
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrostatic Separation (AREA)
  • Catalysts (AREA)

Abstract

The present invention relates to technical field of air purification, especially a kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology.It includes the collection electrode of ground connection and is applied with the photochemical catalyst electrode and corona electrode of same species voltage, and the electric pressure of the voltage put on photochemical catalyst electrode is worth≤put on the magnitude of voltage of the voltage on corona electrode.The present invention is by applying same type of voltage and the magnitude of voltage on photochemical catalyst electrode is less than the magnitude of voltage on corona electrode on photochemical catalyst electrode and corona electrode, can ensure it is charged after particulate pollutant the surface of photochemical catalyst electrode can not be deposited to because of the repulsive force by photochemical catalyst electrode, so as to avoid the problem of photochemical catalyst easily fails because of the pollution by particulate matter, it it also avoid in traditional purifier being easily caused device windage because multi-layered high-density filter membrane must be configured before photocatalytic process simultaneously big, cost is high, the generation for the problems such as clean-up effect is poor.

Description

A kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology
Technical field
The present invention relates to technical field of air purification, especially a kind of sky based on electrostatic precipitator technology and photocatalysis technology Air purifying apparatus.
Background technology
With running down for air quality, how to ensure that people can live in a good environment of air quality In, have become the technical problem of people's general concern;Therefore, air purifier is also got over as the necessaries of purification air Favored to get over by people.
It is well known that the pollutant in air mainly has two classes at present:One class be such as PM10, PM2.5, pollen, airborne dust, Dust etc. has the particulate pollutant of certain particle diameter;Another kind of is the formaldehyde distributed in such as finishing material, some are gaseous Inorganic oxide or volatile organic matter are (i.e.:) etc. VOCs the gaseous contaminant existed with molecular size;Wherein, for gaseous state The mode that pollutant is taken mainly uses photocatalysis technology to carry out oxidative degradation processing to it, is adopted for particulate pollutant The mode taken mainly uses electrostatic precipitator technology to carry out electrolysis adsorption treatment.
Due to either merely using photocatalysis technology still merely using electrostatic precipitator technology all be difficult obtain foot Enough high single purification efficiencies;Therefore, typically all can be by photocatalysis technology and electrostatic precipitation in existing air cleaning unit Technology is combined, i.e.,:Double set purifying parts are set in a device, with thorough before the purge segment of photocatalysis treatment is carried out Solve particulate pollutant.However, because the quantity of electric charge of particulate matter understands the physical property because of itself and difference, it is in electricity Also power differs suffered active force in, so as to cause partial particulate pollutant can not be deposited by effective collect;Meanwhile, , also can not be dirty to particle because current particle purifying part has the drawbacks such as windage is larger, filter screen needs are often changed Dye thing is effectively collected;Based on this, the surface of the photocatalysis part in device is easy to be covered by particulate pollutant, and This partial particulate pollutant can then pollute the photochemical catalyst accompanying by photocatalysis parts surface, so that cause photochemical catalyst to fail, And eventually air of the influence photocatalysis part to the light-catalysed effect and air cleaning unit of gaseous contaminant in itself is net Change efficiency and clean-up effect.
The content of the invention
The deficiency existed for above-mentioned prior art, it is an object of the invention to provide one kind based on electrostatic precipitator technology and The air cleaning unit of photocatalysis technology.
To achieve these goals, the present invention is adopted the following technical scheme that:
A kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology, it includes the light for being applied with voltage Catalysis electrode, one are applied with the corona electrode of voltage and the collection electrode of a ground connection, the electricity put on the photochemical catalyst electrode The voltage pressed and put on corona electrode is same type of voltage, and the electricity of the voltage put on the photochemical catalyst electrode The magnitude of voltage of the voltage for Ya Zhi≤put on corona electrode.
Wherein, preferred scheme is:If the photochemical catalyst electrode includes a photocatalysis fixed flange and dry plate equably Center distribution and the photocatalysis pole plate being hung on the bottom surface of photocatalysis fixed flange around photocatalysis fixed flange, The collection electrode include one with photocatalysis fixed flange above and below Relative distribution and center offers gathering dust for air inlet If fixed flange and dry plate are equably around the dust collector pole that air inlet is distributed and seat is located on the top surface for the fixed flange that gathers dust A piece of dust collecting pole plate is equipped between plate, photocatalysis pole plate described in adjacent two panels, the lower end of the corona electrode is plugged in Gather dust on fixed flange, upper end is plugged on photocatalysis fixed flange, and the corona electrode is along photocatalysis mounting flange The axis distribution of disk, each point of discharge of the corona electrode and the madial wall of corresponding dust collecting pole plate and corresponding photocatalysis Vertical range between the madial wall of pole plate is impartial.
Wherein, preferred scheme is:The corona electrode is plugged in photocatalysis fixed flange respectively including a upper and lower ends If the mutual parallel distributed above and below of electrode fix bar and dry plate that is upper and gathering dust on fixed flange is simultaneously fixed by electrode The corona pole plate that bar concatenation is integrated, the entirety of each corona pole plate is in disc structure;If light is urged described in dry plate If change pole plate and dry plate dust collecting pole plate to be distributed around corona pole plate, and the perisporium of the every corona pole plate gathers dust with corresponding Vertical range between the madial wall of the madial wall of pole plate and corresponding photocatalysis pole plate is impartial.
Wherein, preferred scheme is:The corona electrode is plugged in photocatalysis fixed flange respectively including a upper and lower ends Electrode fix bar and some corona prickles being arranged on the perisporium of electrode fix bar upper and gather dust on fixed flange, Between the outer end of the every corona prickle and the madial wall of the madial wall of corresponding dust collecting pole plate and corresponding photocatalysis pole plate Vertical range it is impartial.
Wherein, preferred scheme is:Each point of discharge of the corona electrode and the madial wall of corresponding dust collecting pole plate and right Vertical range between the madial wall for the photocatalysis pole plate answered is 20mm-100mm.
Wherein, preferred scheme is:It also includes the shell body that a upper and lower ends are hatch frame, the fixation of gathering dust Blue disk cover is together in the lower port of shell body, if being provided with dry plate support chip, institute on the perisporium of the photocatalysis fixed flange Photocatalysis fixed flange is stated to be set up in shell body and below the upper port of shell body by support chip.
Wherein, preferred scheme is:It also includes a kuppe, and the lower end of the kuppe is passed through after the upper port of shell body Seat is on the top surface of photocatalysis fixed flange.
Wherein, preferred scheme is:The surface of the photochemical catalyst electrode is provided with layers of photo-catalytic material, the catalysis material Layer is titanium dioxide layer or includes the photocatalyst mixture layer of titanium dioxide.
Wherein, preferred scheme is:Position that the photochemical catalyst electrode is in contact with corona electrode, photochemical catalyst electrode are with gathering dust The position that the position of contact electrode and corona electrode are in contact with collection electrode is provided with seal.
Wherein, preferred scheme is:The magnitude of voltage of the voltage put on the photochemical catalyst electrode is to put on corona electrode On voltage magnitude of voltage 10%-100%.
As a result of such scheme, the present invention on photochemical catalyst electrode and corona electrode by applying same type of voltage And the magnitude of voltage for making magnitude of voltage on photochemical catalyst electrode be less than on corona electrode, it is ensured that particulate pollutant after charged because by The surface of photochemical catalyst electrode can not be deposited to the repulsive force of photochemical catalyst electrode, so as to avoid photochemical catalyst because by particulate matter Pollution and the problem of easily fail, while it also avoid in traditional purifier because must be before photocatalytic process Configuration multi-layered high-density filter membrane and be easily caused the generation of the problems such as device windage is big, cost is high, clean-up effect is poor;Its structure Simple compact, dismounting quick, air purification effect easy to maintenance is notable, with very strong practical value and market popularization value.
Brief description of the drawings
Fig. 1 is the structural decomposition diagram of the embodiment of the present invention;
Fig. 2 is the structural profile schematic diagram of the embodiment of the present invention in the assembled condition;
Fig. 3 is the Standard schematic diagram of the embodiment of the present invention.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims Implement with the multitude of different ways of covering.
As shown in Figure 1 to Figure 3, a kind of air based on electrostatic precipitator technology and photocatalysis technology that the present embodiment is provided is net Makeup is put, it include one be applied with the photochemical catalyst electrode a of voltage, one be applied with voltage corona electrode b and one ground connection gather dust Electrode c;Wherein, the voltage for putting on the voltage on photochemical catalyst electrode a and putting on corona electrode b is same type of voltage (it can be regarded as:Described same type of voltage is to refer to same polarity), and the electricity of the voltage put on photochemical catalyst electrode a The magnitude of voltage of the voltage for Ya Zhi≤put on corona electrode b.Thus, it is enough it by applying on corona electrode b and can send out The high pressure (high pressure range is preferably any numerical value between 5kv-35kv) of raw corona discharge phenomenon, to complete to particulate pollutant Electrostatic precipitation process (i.e.:By corona electrode a to aerial discharge, it is ionized air substantial amounts of and can to produce Carry out moving powered cation to the direction where collection electrode c, and cation then can be with passing through in the range of corona discharge Grain pollutant collides and adsorbed on the surface of particulate pollutant, so that the particulate pollutant with electric charge finally can Collection electrode c surface is deposited on, to complete the collection process of particulate pollutant);At the same time, due in photochemical catalyst electrode a On be applied with high voltage with corona electrode b same types, can be because of electrical potential difference between photochemical catalyst electrode a and collection electrode c In the presence of and produce electric field, make photochemical catalyst electrode a to the particulate pollutant with electric charge have outwards (i.e.:Towards collection electrode c side To) active force that repels, so that the particulate pollutant with electric charge will not be infected with photochemical catalyst electrode a surface all the time, Thus it can avoid completely because being easily caused the problem of photochemical catalyst fails in particulate pollutant contamination to photochemical catalyst electrode a;Separately Outside, due to putting on the magnitude of voltage for electricity Ya Zhi on photochemical catalyst electrode a≤put on corona electrode, therefore it can avoid at both Between occur corona phenomenon.Based on this, the air cleaning unit of the present embodiment before photocatalysis treatment step without configuring such as Multi-layered high-density filter membrane etc. is used for the part for particulate pollutant shift to an earlier date filtration treatment, and can be by photocatalytic process With electrostatic precipitation process simultaneously completed by the cooperation with collection electrode c, advantageously reduce whole device structural complexity, The cost of part configuration, improves the clean-up effect and purification efficiency of device and extends the service life of device.
It is that a kind of enforceable entity structure device can be provided on the basis of above-mentioned operation mechanism, and can be simultaneously Ensure the performance of device, if the photochemical catalyst electrode a of the present embodiment includes a photocatalysis fixed flange 1 and dry plate equably ring Center distribution and the photocatalysis pole plate being hung on the bottom surface of photocatalysis fixed flange 1 around photocatalysis fixed flange 1 2;Collection electrode c include one with photocatalysis fixed flange 1 above and below Relative distribution and center offers gathering dust for air inlet d If fixed flange 3 and dry plate are equably around air inlet d distributions, simultaneously seat is located at gathering dust on the top surface for the fixed flange 3 that gathers dust A piece of dust collecting pole plate 4 is equipped between pole plate 4, adjacent two panels photocatalysis pole plate 2;Corona electrode b lower end is plugged in receipts On dirt fixed flange 3, upper end be plugged on photocatalysis fixed flange 1, and corona electrode b is along photocatalysis fixed flange 1 Axis distribution, and corona electrode b each point of discharge (can be understood as with the madial wall of corresponding dust collecting pole plate 4 Internal perisporium) and the madial wall (can be understood as internal perisporium) of corresponding photocatalysis pole plate 2 between vertical range it is impartial.
Because collection electrode c and photochemical catalyst electrode a is close using structure height, both pass through respective mounting flange respectively Disk corresponding photocatalysis pole plate 2 and corresponding dust collecting pole plate 4 are fixed respectively after with the formal distribution for the grafting that interlocks so that It can ensure that the both sides per a piece of photocatalysis pole plate 2 have a piece of dust collecting pole plate 4, when on photocatalysis pole plate 2 and corona electrode b Apply after high tension voltage, corona field can be formed between corona electrode b and photochemical catalyst electrode a and collection electrode c, make with electricity The particulate pollutant of lotus can be towards the lateral movement where collection electrode c and photochemical catalyst electrode a, simultaneously because photocatalysis pole plate 2 On be also applied with high pressure, electrical potential difference can be formed between photocatalysis pole plate 2 and dust collecting pole plate 4, thus ensured that with electric charge The side of particulate pollutant towards dust collecting pole plate 4 moved without being deposited on photocatalysis pole plate 2;And with dust collecting pole plate The accumulation of the particulate matter deposited on 4 is simultaneously formed after the deposit of heavier mass, and it can drop down onto light down under gravity and gather dust On fixed flange 3 (later stage only need to carry out periodic cleaning to whole collection electrode c), so as to not only ensure that dust collecting pole plate 4 have good dust collection performance, and provide advantage for the periodic maintenance of device;Based on this, it can both ensure that light was urged Polarizing electrode a carries out catalytic degradation to gaseous contaminants such as VOCs and avoided completely because photocatalysis pole is arrived in particulate pollutant contamination The problem of photochemical catalyst fails is easily caused on plate 2, collecting effect of the dust collecting pole plate 4 to electrically charged particle thing is ensured that.
To ensure corona electrode b corona discharge effect, abundant electricity can be carried out to contaminated air in device From the corona electrode b of the present embodiment can use different structure type as the case may be, to enrich the knot of whole device Structure, it is specific as follows:
Embodiment 1, as depicted in figs. 1 and 2, it includes a upper and lower ends and is plugged in respectively on photocatalysis fixed flange 1 If being fixed each other in parallel distributed up and down and by electrode with the electrode fix bar 5 and dry plate gathered dust on fixed flange 3 Bar 5 concatenates the corona pole plate 6 that is integrated, and (its perisporium can be in disc structure for the global shape of each corona pole plate 6 Smooth cambered surface, or zigzag), if if dry plate photocatalysis pole plate 2 and dry plate dust collecting pole plate 4 are around corona pole plate 6 Distribution (can be understood as:If if corona pole plate 6 is located at by dry plate photocatalysis pole plate 2 and dry plate collection electrode 4 after enclosing In the axis hole space formed), and the madial wall or corresponding light of the perisporium of every corona pole plate 6 and corresponding dust collecting pole plate 4 The vertical range being catalyzed between the madial wall of pole plate 2 is impartial.
Its corona pole plate 6 can also be carried out Structural Transformation by embodiment 2, the structural principle provided based on embodiment 1, To form the corona electrode with obvious structural difference, i.e.,:It includes a upper and lower ends and is plugged in photocatalysis mounting flange respectively Disk 1 and the electrode fix bar 5 and some coronas being arranged on the perisporium of electrode fix bar 5 gathered dust on fixed flange 3 Prickle (not shown), madial wall and corresponding photocatalysis pole of the outer end of every corona prickle with corresponding dust collecting pole plate 4 Vertical range between the madial wall of plate 2 is equal.Certainly, the corona prickle described by the present embodiment can also be adopted as the case may be With needle-like, reversed acanthoid, thread etc..
To ensure the effect of corona field formation, the contaminated air entered in device is set to be ionized, this reality Apply corona electrode b each point of discharge of example and the inner side of the madial wall of corresponding dust collecting pole plate 4 and corresponding photocatalysis pole plate 2 Vertical range between wall is both preferably 20mm-100mm.
To optimize the structure of whole device to greatest extent, it is ensured that the structural compactness between each building block, this reality Applying the device of example also includes the shell body 7 that a upper and lower ends are hatch frame, wherein, the fixed flange 3 that gathers dust is covered on outer In the lower port of housing 7, if being provided with dry plate support chip 8 on the perisporium of photocatalysis fixed flange 1, photocatalysis fixed flange 2 are set up in the lower section of the upper port in shell body 7 and positioned at shell body 7 by support chip 8.Thus, pass through photochemical catalyst electrode a's Catalytic degradation and the purification air formed after collection electrode c processing of gathering dust, inwall that can be via shell body 7 and photocatalysis pole Flowed up between the gap that plate 2 or dust collecting pole plate 4 are formed and the final upper port by shell body 7 is discharged, and shell body 7 The better purifying space of one relative closure can be provided for the purifying part of whole device.
To ensure that purification air can be discharged swimmingly to outside device, the device of the present embodiment also includes a kuppe 9, leads The lower end of stream cover 9 is located on the top surface of photocatalysis fixed flange 1 through the upper port back seat of shell body 7.
Preferably, to ensure that photochemical catalyst electrode a has good catalytic degradation function to gaseous contaminant, in light Catalysis electrode a (being specially photocatalysis pole plate 2) surface is provided with layers of photo-catalytic material, and layers of photo-catalytic material can be according to specific feelings Condition uses such as titanium dioxide layer or includes the photocatalyst mixture layer of titanium dioxide, naturally it is also possible to have light for other Metal simple-substance, metal oxide or the mixture of catalytic performance.
To ensure that whole device has good discharge effect, while the security performance of intensifier in itself, in photocatalysis Position, photochemical catalyst electrode a and the collection electrode c positions being in contact and corona electrode b that electrode a is in contact with corona electrode b Seal (such as insulation sleeve, felt pad) is provided with the collection electrode c positions being in contact.
To ensure that photochemical catalyst electrode a will not produce corona discharge to collection electrode c, as a preferred scheme, put on The magnitude of voltage of voltage on photochemical catalyst electrode a is preferably controlled in the 10%- of the magnitude of voltage of the voltage put on corona electrode b 100%.
Based on above-mentioned structure and the principle of work and power, the specific purification process of the device of the present embodiment mainly has following steps, I.e.:
1st, the step of corona discharge, air ionization and free radical are produced:Apply high pressure on corona electrode b and make dust collector pole After plate c ground connection, corona discharge phenomenon can be produced, by air ionization, makes the O in air2、H2O equimoleculars can shape after being ionized Into O, OH, O2The free radicals such as H and ozone.
2nd, the step of particulate matter is charged, the ionization of VOCs gas molecules is degraded:Charged ion does regular under electric field action Motion process in, be attached on the particulate matter of electroneutral and form electrically charged particulate matter, free electron or strong oxidizing property thing After matter and VOCs gas molecules collide, can make the internal chemical key of VOCs gas molecules be broken or homolysis and be dissociated into fragment Group, atomic group or inorganic matter;Meanwhile, part VOCs fragments can react and be degraded with free radical, to generate CO2、H2O Deng innocuous substance.
3rd, electrically charged particle thing is (i.e.:Electrically charged particulate pollutant) deposition, VOCs photocatalytic degradations the step of:Electrically charged particle Thing is deposited in the presence of electric field force on dust collecting pole plate c, and VOCs fragments group and atomic group are urged by collection electrode c and light During polarizing electrode a centre position, because the random Brownian movement of gas molecule can touch photocatalyst surface, so as to occur Photocatalytic degradation is reacted, and VOCs molecules are finally thoroughly degraded to CO2、H2The innocuous substances such as O.
In addition, the functional characteristics of the purifier to absolutely prove the present embodiment, and carried for the practical application of purifier It is best when parameters of operating part or functional parameter to purifier carry out specific design for a kind of more direct technical scheme Using following principle, i.e.,:Corona electrode b voltage and photochemical catalyst electrode a voltage and corona electrode b, photochemical catalyst electrode a and Steric position relation between collection electrode c should be calculated according to corona inception field strength, any predictable Under air ambient, it should ensure that the electric-field intensity that is produced between corona electrode b and collection electrode c is more than corona inception field strength, and light Electric-field intensity between catalysis electrode a and collection electrode c will be much smaller than corona inception field strength.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations Technical field, be included within the scope of the present invention.

Claims (10)

1. a kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology, it is characterised in that:It includes one and applied There are the photochemical catalyst electrode of voltage, one to be applied with the corona electrode of voltage and the collection electrode of a ground connection, put on the photocatalysis Voltage on electrode and the voltage put on corona electrode are same type of voltage, and are put on the photochemical catalyst electrode Voltage electricity Ya Zhi≤put on corona electrode voltage magnitude of voltage.
2. a kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology as claimed in claim 1, its feature It is:If the photochemical catalyst electrode includes a photocatalysis fixed flange and dry plate equably around photocatalysis fixed flange Center distribution and the photocatalysis pole plate that is hung on the bottom surface of photocatalysis fixed flange, the collection electrode include one with If gather dust fixed flange and the dry plate that photocatalysis fixed flange offers air inlet in Relative distribution up and down and center are equal Evenly around the dust collecting pole plate that air inlet is distributed and seat is located on the top surface for the fixed flange that gathers dust, light described in adjacent two panels is urged Change and be equipped with a piece of dust collecting pole plate between pole plate, the lower end of the corona electrode be plugged in gather dust on fixed flange, upper end It is plugged on photocatalysis fixed flange, and axis distribution of the corona electrode along photocatalysis fixed flange, the electricity Each point of discharge of dizzy electrode and hanging down between the madial wall of corresponding dust collecting pole plate and the madial wall of corresponding photocatalysis pole plate Straight distance is impartial.
3. a kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology as claimed in claim 2, its feature It is:The corona electrode is plugged on photocatalysis fixed flange and gathered dust on fixed flange including a upper and lower ends respectively If electrode fix bar and dry plate in parallel distributed up and down and the corona discharge electrode that is integrated is concatenated by electrode fix bar each other Plate, the entirety of each corona pole plate is in disc structure;If if photocatalysis pole plate described in dry plate and dry plate dust collector pole Plate is around the distribution of corona pole plate, and the perisporium of the every corona pole plate and the madial wall of corresponding dust collecting pole plate and corresponding Vertical range between the madial wall of photocatalysis pole plate is impartial.
4. a kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology as claimed in claim 2, its feature It is:The corona electrode is plugged on photocatalysis fixed flange and gathered dust on fixed flange including a upper and lower ends respectively Electrode fix bar and some corona prickles being arranged on the perisporium of electrode fix bar, every corona prickle it is outer Hold impartial with the vertical range between the madial wall of corresponding dust collecting pole plate and the madial wall of corresponding photocatalysis pole plate.
5. a kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology as claimed in claim 2, its feature It is:The inner side of each point of discharge of the corona electrode and the madial wall of corresponding dust collecting pole plate and corresponding photocatalysis pole plate Vertical range between wall is 20mm-100mm.
6. a kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology as claimed in claim 2, its feature It is:It also includes the shell body that a upper and lower ends are hatch frame, and the fixed flange that gathers dust is covered on shell body In lower port, if being provided with dry plate support chip on the perisporium of the photocatalysis fixed flange, the photocatalysis fixed flange It is set up in by support chip in shell body and below the upper port of shell body.
7. a kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology as claimed in claim 6, its feature It is:It also includes a kuppe, and the lower end of the kuppe is located at photocatalysis fixation through the upper port back seat of shell body On the top surface of blue disk.
8. a kind of air cleaning dress based on electrostatic precipitator technology and photocatalysis technology as any one of claim 1-7 Put, it is characterised in that:The surface of the photochemical catalyst electrode is provided with layers of photo-catalytic material, and the layers of photo-catalytic material is titanium dioxide Titanium layer or the photocatalyst mixture layer for including titanium dioxide.
9. a kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology as claimed in claim 8, its feature It is:The position that position that the photochemical catalyst electrode is in contact with corona electrode, photochemical catalyst electrode are in contact with collection electrode with And the position that corona electrode is in contact with collection electrode is provided with seal.
10. a kind of air cleaning unit based on electrostatic precipitator technology and photocatalysis technology as claimed in claim 8, its feature It is:The magnitude of voltage of the voltage put on the photochemical catalyst electrode is the magnitude of voltage of the voltage put on corona electrode 10%-100%.
CN201710296025.4A 2017-04-28 2017-04-28 Air purification device based on electrostatic dust collection technology and photocatalysis technology Active CN106975351B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710296025.4A CN106975351B (en) 2017-04-28 2017-04-28 Air purification device based on electrostatic dust collection technology and photocatalysis technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710296025.4A CN106975351B (en) 2017-04-28 2017-04-28 Air purification device based on electrostatic dust collection technology and photocatalysis technology

Publications (2)

Publication Number Publication Date
CN106975351A true CN106975351A (en) 2017-07-25
CN106975351B CN106975351B (en) 2023-09-08

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CN109011966A (en) * 2018-07-05 2018-12-18 杨柳锋 A kind of emission-control equipment of good dedusting effect
CN111672632A (en) * 2020-08-13 2020-09-18 广东科霖环保设备有限公司 Wet-type electrostatic precipitator equipment
CN114870618A (en) * 2022-03-26 2022-08-09 黄子鸣 Photoelectrocatalysis reactor

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JPH09248489A (en) * 1996-03-18 1997-09-22 Toto Ltd Air cleaning apparatus
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JP2006061855A (en) * 2004-08-27 2006-03-09 Ohm Denki Kk Corona discharge electrode and dust collector
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* Cited by examiner, † Cited by third party
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CN109011966A (en) * 2018-07-05 2018-12-18 杨柳锋 A kind of emission-control equipment of good dedusting effect
CN111672632A (en) * 2020-08-13 2020-09-18 广东科霖环保设备有限公司 Wet-type electrostatic precipitator equipment
CN114870618A (en) * 2022-03-26 2022-08-09 黄子鸣 Photoelectrocatalysis reactor

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