CN105944557A - Photocatalytic air purifier - Google Patents

Photocatalytic air purifier Download PDF

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Publication number
CN105944557A
CN105944557A CN201610316244.XA CN201610316244A CN105944557A CN 105944557 A CN105944557 A CN 105944557A CN 201610316244 A CN201610316244 A CN 201610316244A CN 105944557 A CN105944557 A CN 105944557A
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CN
China
Prior art keywords
cylinder
air purifier
air
cover
piston
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610316244.XA
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Chinese (zh)
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CN105944557B (en
Inventor
刘进
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Guangzhou Lang Environmental Protection Technology Co., Ltd.
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刘进
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Priority to CN201610316244.XA priority Critical patent/CN105944557B/en
Publication of CN105944557A publication Critical patent/CN105944557A/en
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Publication of CN105944557B publication Critical patent/CN105944557B/en
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Classifications

    • 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
    • B01D53/8668Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60Combinations of devices covered by groups B01D46/00 and B01D47/00
    • 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
    • B01D53/007Separation 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 by irradiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/80Type of catalytic reaction
    • B01D2255/802Photocatalytic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air

Abstract

A photocatalytic air purifier comprises a vertical first cylinder (1), wherein an air outlet is formed in the top end of the first cylinder (1); the bottom end of the first cylinder (1) is closed; the inner wall of the first cylinder (1) is bulged, a ring flange (11) is formed, and an air inlet (12) is formed in the wall surface, located below the ring flange (11), of the first cylinder (1); multiple limit blocks (13) are bulged on the inner wall of the ring flange (11); the air purifier further comprises a cover (30), a cover opening of the cover (30) is in seamless joint with the air outlet, and an ultraviolet lamp (33) is arranged in the cover (30); a photocatalytic mesh (32) occupying the whole section of the cover opening of the cover (30) and used for purifying airflow under the irradiation of the ultraviolet lamp (33) is arranged on the cover (30); outlets (31) are formed in the wall surface of one side, where the photocatalytic mesh (32) faces the ultraviolet lamp (33), of the cover (30). The air purifier is ingenious in design, high in dust collection efficiency, economical and practical.

Description

Photo-catalytic air cleaner
Technical field
The present invention relates to a kind of photo-catalytic air cleaner.
Background technology
Existing air purifier uses the structure that plain gauze combines with photocatalyst net mostly, utilizes common Air is tentatively filtered by filter screen, then uses photocatalyst net to eliminate the PM2.5 granule in air, be harmful to Organic principle etc..After long-term use, plain gauze can be covered with dust all over this air purifier, thus reduces Air purification efficiency.Meanwhile, photocatalyst net must contact with PM2.5 granule and harmful organic principle In the case of could be filtered.And at filter screen after long term wear, some bulky grain in air can leak through Filter screen, and be attached on photocatalyst net, thus reduce the contact surface of photocatalyst net and air, thus affect PM2.5 granule and the elimination efficiency of harmful organic principle.Further, these bulky grains under the effect of air-flow also Can be worn and torn photocatalyst net.
Summary of the invention
The present invention is directed to existing air purifier after long-term use, plain gauze can be covered with dust all over, thus drops Low air purification efficiency, meanwhile, at filter screen after long term wear, some bulky grain in air can leak through filter Net, and be attached on photocatalyst net, thus the problem reducing photocatalyst net and the contact surface of air, it is proposed that A kind of air purifier.
Technical scheme proposed by the invention is as follows:
The present invention proposes a kind of air purifier, including the first cylinder being vertically arranged, this first cylinder top End has air outlet;This first cylinder bottom end closure, is used for accommodating dedusting liquid so that the first cylinder body bottom is formed Holding tank;This first cylinder inboard wall protrude be formed with collar flange, this first cylinder be positioned at collar flange Air inlet is offered on the wall of lower section;
Collar flange inwall protrudes above and is formed with multiple limited block;During the plurality of limited block interval arranges and surrounds Central hole;
Air purifier also includes piston, and this piston includes second be slidably disposed in centre bore Body, turns up and forms the ring-type limiting section being supported in separably on collar flange in this second cylinder top;Air Depurator also includes being arranged on the second inner barrel and occupying the drainage screen in this whole cross section of the second inner barrel;
Air purifier also includes being arranged in the first cylinder top inner wall, for producing in the first inner barrel The fan component of the air-flow flowed to air outlet by air inlet;Air purifier also includes being arranged on the first cylinder Be positioned on the inwall below collar flange, for monitoring the displacement transducer of slide displacement of piston;
Air purifier also includes pipeline and is arranged in the first cylinder and is positioned at the shower nozzle above piston, pipe One end, road is connected with shower nozzle, and the other end connects with holding tank;Air purifier also includes being arranged on pipeline, For aspirating the dedusting liquid in holding tank when displacement transducer detects piston upward sliding and making this remove The suction pump that dirt liquid sprays from shower nozzle;
Air purifier also includes cover, the cover mouth of this cover and air outlet slitless connection, is provided with in cover Uviol lamp;It is provided with on cover and occupies this whole cross section of cover cover mouth, for purifying under the irradiation of uviol lamp The photocatalyst net of air-flow;The photocatalyst net that is positioned at of cover offers outlet on the wall of uviol lamp side.
In the air purifier that the present invention is above-mentioned, also include being electrically connected with displacement transducer and suction pump respectively Controller;This controller is for the warning sent when receiving displacement transducer because of piston upward sliding After signal, start suction pump to drive dedusting liquid to spray from shower nozzle.
In the air purifier that the present invention is above-mentioned, fan component includes that be arranged on the first cylinder inboard wall props up Frame, the blade being rotatably arranged on support, output shaft is connected with blade, for driving the first of blade Motor and being electrically connected with the first motor, for changing the variator of blade rotational speed.
In the air purifier that the present invention is above-mentioned, drainage screen is the wire netting of 150 mesh-300 mesh.
In the air purifier that the present invention is above-mentioned, drainage screen includes one or more layers wire netting.
In the air purifier that the present invention is above-mentioned, dedusting liquid is water, faintly acid saline, weak acid, alkalescence salt Water or weak base.
In the air purifier that the present invention is above-mentioned, also include being separately positioned on the inwall of the first cylinder and being positioned at Above collar flange, for stoping piston to slide into the multiple blocks outside centre bore.
In the air purifier that the present invention is above-mentioned, multiple limited block spaced sets.
The preliminary filter process of air of the air purifier of the present invention takes into account filtering type process of cleaning and spraying simultaneously The advantage of process of cleaning;Specifically, when dust is less, filtering type process of cleaning is used to clear up;Work as ash When dirt is more, spray for dust suppression method is used to clear up.By arranging piston, carry out the quantity of automatic decision dust, Realize the switching between two kinds of dedusting methods.The air-purifier designs of the present invention is ingenious, air purification effect Good, economical and practical.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 shows the schematic diagram of the air purifier of the embodiment of the present invention;
Fig. 2 shows the use state reference map of the air purifier shown in Fig. 1.
Detailed description of the invention
The technical problem to be solved in the present invention is: existing air purifier after long-term use, plain gauze meeting It is covered with dust all over, thus reduces air purification efficiency, meanwhile, certain at filter screen after long term wear, in air A little bulky grains can leak through filter screen, and is attached on photocatalyst net, thus reduces contacting of photocatalyst net and air Face.The technical thought solving this technical problem that the present invention proposes is: a kind of air purifier of structure, this sky The preliminary filter process of air of gas purifier takes into account filtering type process of cleaning and the advantage of spray for dust suppression method simultaneously;Tool For body, when dust is less, filtering type process of cleaning is used to clear up;When dust is more, use spray Mist process of cleaning is cleared up.Thus avoid the feelings reducing air purification efficiency after plain gauze is covered with dust all over Condition.
The present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
As it is shown in figure 1, Fig. 1 shows the schematic diagram of the air purifier of the embodiment of the present invention.This air is clean Changing the first cylinder 1 that device includes being vertically arranged, this first cylinder 1 top has air outlet;This first cylinder 1 bottom end closure, so that forming the holding tank for accommodating dedusting liquid bottom the first cylinder 1;Wherein, according to The chemical composition of dust is different, and dedusting liquid can be water, faintly acid saline, weak acid, alkalescence saline or weak base Deng.
This first cylinder 1 inwall protrude be formed with collar flange 11, this first cylinder 1 be positioned at flange 11 Air inlet 12 is offered on the wall of lower section.This air inlet 12 can have 1, it is also possible to is multiple.
Collar flange 11 inwall protrudes above and is formed with multiple limited block 13;The plurality of limited block 13 interval sets Put and surround centre bore;In the present embodiment, the horizontal cross-section of each limited block 13 becomes arcuation, so, The centre bore that multiple limited blocks 13 are surrounded is circular port.It is appreciated that according to design needs, centre bore Can also is that square hole, tri-angle-holed etc., correspondingly, the horizontal cross-section of limited block 13 can into strips or Point-like etc..
Air purifier also includes piston 2, and this piston 2 includes second be slidably disposed in centre bore Cylinder 21, this second cylinder 21 top turn up formed be supported in separably on collar flange 11 ring-type Limiting section 22;When ring-type limiting section 22 is supported on collar flange 11, collar flange 11 and piston 2 Between the most very close to each other;
Air purifier also includes being arranged on the second cylinder 21 inside and occupies this second cylinder 21 internal whole The drainage screen 4 in cross section;When piston 2 upward sliding, when making ring-type limiting section 22 separate with collar flange 11, First cylinder 1 be positioned at space above collar flange 11 and the first cylinder 1 be positioned at collar flange 11 times The space of side just effectively can be connected by the gap between multiple limited blocks 13.
Air purifier also includes being arranged in the first cylinder 1 top inner wall, for inside the first cylinder 1 Produce the fan component 8 of the air-flow flowed by air inlet 12 to air outlet;Air purifier also includes arranging Being positioned on the inwall below collar flange 11 at the first cylinder 1, for monitoring the slide displacement of piston 2 Displacement transducer 9;
Air purifier also includes pipeline 6 and is arranged in the first cylinder 1 and is positioned at the spray above piston 2 5, pipeline 6 one end is connected with shower nozzle 5, and the other end connects with holding tank;Air purifier also includes setting Put on pipeline 6, for aspirating in holding tank when displacement transducer 9 detects piston 2 upward sliding Dedusting liquid and make the suction pump 7 that this dedusting liquid sprays from shower nozzle 5.
In order to realize automatization's pumping function of suction pump 7, air purifier also include respectively with displacement sensing The controller (not shown) that device 9 and suction pump 7 are electrically connected with.This controller is for putting in place in reception After the alarm signal sent when displacement sensor 9 is because of piston 2 upward sliding, start suction pump 7 and remove to drive Dirt liquid sprays from shower nozzle 5.
Further, air purifier also includes cover 30, and the cover mouth of this cover 30 is seamless with air outlet right Connect, in cover 30, be provided with uviol lamp 33;It is provided with on cover 30 and occupies this cover 30 and cover whole section of mouth Face, under the irradiation of uviol lamp 33 photocatalyst net 32 of purifying gas flow;The light that is positioned at of cover 30 touches Matchmaker's net 32 offers outlet 31 on the wall of uviol lamp 33 side.In the present embodiment, photocatalyst Net 27 includes the wire netting of 3-40 mesh, and is attached to the photocatalyst layer on wire netting surface.This photocatalyst Layer can be nano-TiO2、ZnO、CdS、WO3、Fe2O3、PbS、SnO2、ZnS、SrTiO3、 SiO2In one.Photocatalyst layer can occur light-catalyzed reaction under ultraviolet irradiation, thus filters pipeline By the PM2.5 in the air-flow of photocatalyst net 27, organic principle etc. in 1.
By technique scheme, when drainage screen 4 is not blocked by dust and fan component 8 brings into operation, Air-flow can be flowed to air outlet by air inlet 12 through drainage screen 4.Now, the dust entrained by air-flow only leads to Cross filtering type process of cleaning to filter.After have accumulated too much dust on drainage screen 4, drainage screen 4 meeting portion Divide or entirely shut;Along with fan component 8 continues to run with, being positioned on collar flange 11 of the first cylinder 1 The space of side can produce negative pressure, thus causes piston 2 upward sliding.Now, air-flow can be by air inlet 12, the gap between limited block 13 flows to air outlet.Meanwhile, when piston 2 upward sliding, Dedusting liquid can spray from shower nozzle 5, the ash entrained by air-flow that the gap between limited block 13 is flowed out Dirt can be adhered to by this dedusting liquid, and re-flows under gravity in holding tank.Now, air-flow In dust be to be filtered by spray for dust suppression method.Meanwhile, under gravity, spray from shower nozzle 5 The dedusting liquid gone out also is fallen on drainage screen 4, can be punched in holding tank by the dust on drainage screen 4 so that Mesh on drainage screen 4 reopens.When fan component 8 quits work, piston 2 is in the effect of gravity Under, slide downward is until ring-type limiting section 22 is supported on collar flange 11.
Further, fan component 8 includes the support 81 being arranged on the first cylinder 1 inwall, rotatably The blade 82 that is arranged on support 81, output shaft is connected with blade 82, for driving the of blade 82 One motor (not shown) and being electrically connected with the first motor, for changing the change of blade 82 rotating speed Speed device (not shown).This fan is existing structure, repeats the most one by one.Use drainage screen 4 filter the dust in air, and its efficiency is too low, therefore, now, variator just can be used blade The rotating speed of 82 tunes up, so, it is possible to so that being positioned at the space above collar flange 11 in the first cylinder 1 Produce negative pressure, so that piston 2 upward sliding, and then start suction pump 7, it is achieved to the dust in air Carry out spray for dust suppression.
Further, drainage screen 4 can be the wire netting of 150 mesh-300 mesh, can include one layer or many Layer wire netting.
Further, displacement transducer 9 is also called linear transducer, be a kind of belong to metal sensing linear Device, the effect of displacement transducer is that various measurands are converted to electricity.In process of production, position The measurement moved is generally divided into measurement full size and mechanical displacement two kinds.By the form of measured variable conversion not With, displacement transducer can be divided into analog and digital two kinds.Analog can be divided into again physical property type and structural type Two kinds.Conventional displacement transducer is in the majority with analog structure type, including potentiometric displacement transducer, inductance Formula displacement transducer, selsyn, capacitive displacement transducer, electric vortex type displacement sensor, Hall-type Displacement transducer etc..Displacement transducer 9 is mainly used in the displacement of piston 2 upward sliding is converted to alarm signal Number, and this alarm signal is sent to controller, controller drives suction pump 7 further according to alarm signal.Need Being noted that in the present embodiment, alarm signal is current signal, and controller is mainly current amplifier, Its effect is alarm signal to be amplified through processing, the electromagnetic wire of the then control and suck pump 7 of the signal after amplification Circle, thus start suction pump 7 and carry out aspirating dedusting liquid.Controller can also is that simple amplifier, it is possible to With the controller using CPU to be constituted.Due in the present invention, this controller does not seek protection, the most not Specifically repeat.
Further, as depicted in figs. 1 and 2, air purifier also includes being separately positioned on the first cylinder 1 Inwall on and be positioned at above collar flange 11, for stoping piston 2 to slide into the multiple blocks outside centre bore 3.It is separated with gap, when piston 2 slides up to withstand block between being appreciated that between the plurality of block 3 When 3, air-flow can pass through in the gap between block 3.
It should be appreciated that for those of ordinary skills, can be improved according to the above description Or conversion, and all these modifications and variations all should belong to the protection domain of claims of the present invention.

Claims (8)

1. an air purifier, it is characterised in that include the first cylinder (1) being vertically arranged, this is years old One cylinder (1) top has air outlet;This first cylinder (1) bottom end closure, so that the first cylinder (1) Holding tank for accommodating dedusting liquid is formed on bottom;This first cylinder (1) inwall protrusion is formed ring-type convex Edge (11), the wall being positioned at collar flange (11) lower section of this first cylinder (1) offers air inlet (12);
Collar flange (11) inwall protrudes above and is formed with multiple limited block (13);The plurality of limited block (13) Interval arranges and surrounds centre bore;
Air purifier also includes that piston (2), this piston (2) include being slidably disposed in centre bore The second cylinder (21), this second cylinder (21) top turn up formation be supported in collar flange separably (11) the ring-type limiting section (22) on;It is internal that air purifier also includes being arranged on the second cylinder (21) And occupy the drainage screen (4) in the internal whole cross section of this second cylinder (21);
Air purifier also includes being arranged in the first cylinder (1) top inner wall, in the first cylinder (1) The internal fan component (8) producing the air-flow flowed by air inlet (12) to air outlet;Air purifier is also Including on the inwall being positioned at collar flange (11) lower section being arranged on the first cylinder (1), it is used for monitoring work The displacement transducer (9) of the slide displacement of plug (2);
Air purifier also includes pipeline (6) and is arranged in the first cylinder (1) and is positioned at piston (2) The shower nozzle (5) of top, pipeline (6) one end is connected with shower nozzle (5), and the other end connects with holding tank;Empty Gas purifier also includes being arranged on pipeline (6), for piston (2) being detected when displacement transducer (9) The dedusting liquid in holding tank the suction pump (7) making this dedusting liquid spray is aspirated from shower nozzle (5) during upward sliding;
Air purifier also includes cover (30), the cover mouth of this cover (30) and air outlet slitless connection, Uviol lamp (33) it is provided with in cover (30);It is provided with on cover (30) and occupies this cover (30) cover Mouthful whole cross section, for the photocatalyst net (32) of purifying gas flow under the irradiating of uviol lamp (33);Cover (30) the photocatalyst net (32) that is positioned at offers outlet (31) on the wall of uviol lamp (33) side.
Air purifier the most according to claim 1, it is characterised in that also include respectively with displacement The controller that sensor (9) and suction pump (7) are electrically connected with;This controller is for receiving displacement biography After the alarm signal sent when sensor (9) is because of piston (2) upward sliding, start suction pump (7) with Dedusting liquid is driven to spray from shower nozzle (5).
Air purifier the most according to claim 1 and 2, it is characterised in that fan component (8) Including the support (81) being arranged on the first cylinder (1) inwall, it is rotatably arranged on support (81) Blade (82), output shaft is connected with blade (82), for drive the first motor of blade (82) with And be electrically connected with the first motor, be used for changing the variator of blade (82) rotating speed.
Air purifier the most according to claim 1 and 2, it is characterised in that drainage screen (4) is The wire netting of 150 mesh-300 mesh.
Air purifier the most according to claim 1 and 2, it is characterised in that drainage screen (4) wraps Include one or more layers wire netting.
Air purifier the most according to claim 1 and 2, it is characterised in that dedusting liquid be water, Faintly acid saline, weak acid, alkalescence saline or weak base.
Air purifier the most according to claim 1 and 2, it is characterised in that also include setting respectively Put on the inwall of the first cylinder (1) and be positioned at collar flange (11) top, being used for stoping piston (2) Slide into the multiple blocks (3) outside centre bore.
Air purifier the most according to claim 1 and 2, it is characterised in that multiple limited blocks (13) Spaced set.
CN201610316244.XA 2016-05-12 2016-05-12 Photocatalytic air purifier Active CN105944557B (en)

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Application Number Priority Date Filing Date Title
CN201610316244.XA CN105944557B (en) 2016-05-12 2016-05-12 Photocatalytic air purifier

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CN105944557B CN105944557B (en) 2017-05-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111482081A (en) * 2020-04-23 2020-08-04 四川旅游学院 Indoor air purification device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201179218Y (en) * 2008-03-21 2009-01-14 蔡炯锡 Air purifier
CN101590253A (en) * 2008-05-27 2009-12-02 北京道顺国际技术开发有限责任公司 Vertical air multiple purifying and washing and damping machine
JP2012200592A (en) * 2011-03-24 2012-10-22 Tsinghua Univ Toxic substance removing device and air cleaning device using the same
CN205037427U (en) * 2015-08-19 2016-02-17 陈婷婷 Automatic clearance formula air purifier
CN205156169U (en) * 2015-11-05 2016-04-13 北京森贝恩环保科技有限公司 Photocatalysis air cleaning device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201179218Y (en) * 2008-03-21 2009-01-14 蔡炯锡 Air purifier
CN101590253A (en) * 2008-05-27 2009-12-02 北京道顺国际技术开发有限责任公司 Vertical air multiple purifying and washing and damping machine
JP2012200592A (en) * 2011-03-24 2012-10-22 Tsinghua Univ Toxic substance removing device and air cleaning device using the same
CN205037427U (en) * 2015-08-19 2016-02-17 陈婷婷 Automatic clearance formula air purifier
CN205156169U (en) * 2015-11-05 2016-04-13 北京森贝恩环保科技有限公司 Photocatalysis air cleaning device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111482081A (en) * 2020-04-23 2020-08-04 四川旅游学院 Indoor air purification device
CN111482081B (en) * 2020-04-23 2021-09-24 四川旅游学院 Indoor air purification device

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