CN105289290A - Box-type photocatalytic air purification device - Google Patents

Box-type photocatalytic air purification device Download PDF

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Publication number
CN105289290A
CN105289290A CN201510819133.6A CN201510819133A CN105289290A CN 105289290 A CN105289290 A CN 105289290A CN 201510819133 A CN201510819133 A CN 201510819133A CN 105289290 A CN105289290 A CN 105289290A
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CN
China
Prior art keywords
air cleaning
cleaning unit
photocatalysis
air
box
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Pending
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CN201510819133.6A
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Chinese (zh)
Inventor
于涛
张智洋
谭欣
商倩倩
贾丽霞
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Tianjin University
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Tianjin University
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Priority to CN201510819133.6A priority Critical patent/CN105289290A/en
Publication of CN105289290A publication Critical patent/CN105289290A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a box-type photocatalytic air purification device comprising an air purification device casing, mesh sheets and filter adsorption layers; the two ends of the air purification device casing are provided with the mesh sheets, the filter adsorption layers are bonded in front of the mesh sheets, the front end of the air purification device casing is provided with a front end cover; the middle part of the front end cover is provided with an air intake port, the air intake port is provided with a fan; the air purification device casing is internally provided with a photocatalytic flat plate in a cross structure; and UV light sources are arranged at the four corners inside the air purification device. The box-type photocatalytic air purification device uses the box-type enclosure casing, so that the filtration, adsorption and photocatalytic reaction processes remain in a closed space to avoid spread of byproducts produced by the photocatalytic reaction into the air without adsorption and avoid the possibility of secondary pollution. Air purification efficiency is improved. A practical approach for purification of volatile organic pollutants is provided.

Description

Box photocatalysis air cleaning device
Technical field
The invention belongs to technical field of air purification, specifically, relate to and utilize light-catalyzed reaction to be combined photocatalysis air cleaning device to the harmful substance high-efficient purification in air with carbon fiber adsorption and catalytic combustion.
Background technology
Along with the development of industry, increasing pollutant is discharged in air, causes atmosphere pollution.Quality and the health of air quality are closely bound up, and increasing expert participates in and improves in the research of air quality, and multiple air purification facility is found out to improve air ambient, improve the quality of the life of people.Active carbon adsorption technology, ozone purification technology, anion dedusting technology, high voltage electrostatic technique and photocatalysis technology are applied in the design of air cleaning unit, and wherein photocatalysis is widely studied because having the advantages such as efficient low-consume, nontoxic, eliminating bacteria.
Photocatalysis air-cleaning technology based semiconductor is theoretical, the principle of its catalyzing and degrading pollutant is: under light source irradiation, when the photon energy that catalysis material absorbs is more than or equal to its energy gap, hole one duplet can be produced, when hole one duplet moves to catalyst surface, with the pernicious gas molecule generation redox reaction being adsorbed on catalyst surface, final material such as generation nontoxic water and carbon dioxide etc.Find through patent retrieval, the patent of purification of air purification techniques has:
China Patent No. 1288755A, name is called: photocatalytic air-purifying net of sandwich construction and preparation method thereof.Adopt network structure to design in this patent, box-type shell is not installed, make this invention not have seal, and make its not easily carrying and installation in actual use.Internal structure is sandwich construction, and air is increased by resistance, and consume energy high, purification efficiency is low.
China Patent No. 103551032A, name is called: three-dimensional photocatalysis air purifying device.This patent adopts enclosed construction, and closed shell is square, and unsightly, the shell closed does not arrange dismountable protecgulum to outward appearance, changes inner body not easily after installation.Internal structure is the platy structure of multilayer parallel, makes air drag become large.
China Patent No. 1533830A, name is called: the device and method of PHOTOCATALYTIC AIR-PURIFYING.Filtering material in this patent is porous ceramics, wire netting and glass fibre, filter effect is had to particle, but it is very weak for the adsorption effect of volatile organic matter, the accessory substance produced in light-catalyzed reaction can be discharged in environment, causing secondary pollution, there is as there being secondary pollution when the sealing chamber environment such as laboratory, subway, factory use risk health being produced to harm in indoor environment.
China Patent No. 1775294A, name is called: air cleaning member and air cleaning member.This patent exploitation apatite combines with photochemical catalyst, can effectively viral adsorption and bacterium, but does not add ultraviolet source, makes photocatalysis efficiency low, effectively cannot process the volatile organic matter in air.
Therefore existing photocatalysis air cleaning device, some does not adopt enclosed construction, and enclosed crust of the device mostly is square, unsightly, and not easy to assemble with carrying.Internal structure mostly is parallel multi-layer planar or network structure, makes air drag excessive.Have in addition and produce secondary pollution, to shortcomings such as volatile organic matter purification efficiency are low, in indoor environment as easily produced secondary pollution when the sealing chamber environment such as laboratory, subway, factory use.
Summary of the invention
The object of the invention is to the deficiency overcoming existing photo catalysis reactor, a kind of box photocatalysis air cleaning device is provided, adopts the contour structures with fillet, the inner slab construction crossing for cross-shaped vertical, front end is provided with drive end bearing bracket, is easy to install, dismantle and carrying use.Also carbon fiber adsorption and catalytic combustion technology is combined with light-catalyzed reaction, effectively filtration of particulate matters, and reduces by the good absorption property of NACF the negative effect that accessory substance that light-catalyzed reaction produces brings.High activity Graphene-the composite titania material of the photocatalysis planar surface load of decussate texture improves the air purification efficiency of photocatalysis air cleaning device, is applicable in family, laboratory, subway, the sealing chamber environment such as factory use.
Technical purpose of the present invention is achieved by following technical proposals:
A kind of box photocatalysis air cleaning device, comprises air cleaning unit shell, netted thin plate and filters adsorption layer; Air cleaning unit shell two ends are provided with netted thin plate, and before netted thin plate, adsorption layer is filtered in laminating; Air cleaning unit case nose is provided with drive end bearing bracket; Be provided with air inlet in the middle of drive end bearing bracket, in air inlet, be provided with fan; The photocatalysis being provided with decussate texture in air cleaning unit housing is dull and stereotyped; At air cleaning unit, inner four drift angle places are provided with ultraviolet lamp source.
Described air cleaning unit shell is square below its radial cross-section, and top is two ends drift angle is fillet.
Be square below the radial cross-section of described netted thin plate, top is two ends drift angle is fillet, and size is consistent with air cleaning unit shell.Former and later two netted thin-slab structures are connected with air cleaning unit shell rear portion with drive end bearing bracket respectively.Netted thin-slab structure, its porous pass is square, is evenly distributed on thin plate.
The photocatalysis flat board of described decussate texture is that two pieces of tabular photocatalysis intersected vertically are dull and stereotyped, and radial section is cross, and four edges is connected with inside air cleaning unit shell, and length is identical with air cleaning unit shell.
Quartz burner is selected in described outer lamp source, and one end and drive end bearing bracket are fixedly linked, and the netted thin-slab structure of the other end and rear end is fixedly linked; Length is consistent with air cleaning unit shell.
Described filtration adsorption layer is activated carbon fiber layers.
The photocatalysis plate outer surface of decussate texture is provided with titanium dioxide photocatalyst layers.
Box photocatalysis air cleaning device of the present invention is specially adapted in the sealing chamber environment of family, laboratory, subway or factory etc.
Compared with prior art, box photocatalysis air cleaning device has following unique design:
Box photocatalysis air cleaning device have employed box closure, filtration, absorption and light-catalyzed reaction process are remained in closed space carry out, the accessory substance avoiding light-catalyzed reaction generation is just disseminated in air by absorption, avoids the possibility of secondary pollution.Air cleaning unit outer casing bottom is square, and make device be easy to place in the plane and fix, add the security in use procedure, the fillet type design at top makes box appearance looks elegant, not easily produces scratching in use procedure.
Box photocatalysis air cleaning device inside adopts the photocatalysis of unique decussate texture dull and stereotyped, existing patent is mainly designed to main with the slab construction of multilayer parallel superposition, this design make air by time resistance increase, increase the energy consumption of equipment, and the photocatalysis flat board of decussate texture is two pieces of slab constructions intersected vertically, box photocatalysis air cleaning device inside is divided into four parts, air-flow direction is parallel with plate level, compare perpendicular through substantially reducing resistance, and this design makes air and photocatalyst layer have very large contact area, the efficiency of purification of air is improved.
The drive end bearing bracket design of box photocatalysis air cleaning device can be dismantled, and makes to dismantle, change the structures such as the photocatalysis flat board of self-filtering adsorption layer and decussate texture more convenient.Filter the increase of NACF along with service time of adsorption layer, be tending towards absorption gradually saturated, and along with constantly de-fine, it filters absorption property and can reduce gradually, although inner photochemical catalyst longer service life, also faces the risk of inactivation, needs to change within a certain period of time.It is more convenient that the design of drive end bearing bracket makes the above-mentioned parts of replacing compare other inventions.
Box photocatalysis air cleaning device efficiently solves the problem of the saturated rear inefficacy of carbon fiber adsorption and catalytic combustion, and the secondary pollution problem that light-catalyzed reaction brings, improve the purification efficiency to air pollutants, purification for volatile organic contaminant provides a kind of practicable method, and box photocatalysis air cleaning device is to provide efficiency utilization luminous energy, continues the multifunctional air purifying system of efficient stable running.
Accompanying drawing explanation
Fig. 1 is box photocatalysis air cleaning device general structure schematic diagram of the present invention;
Fig. 2 is the structural representation after cutting open in the middle of box photocatalysis air cleaning device of the present invention;
Fig. 3 is box photocatalysis air cleaning device structure top view of the present invention;
Fig. 4 is box photocatalysis air cleaning device structure front view of the present invention;
Wherein 1 is air cleaning unit shell, and 2 is netted thin-slab structure, 3 for filter adsorption layer, 4 be ultraviolet source, 5 be decussate texture photocatalysis flat board, 6 is air cleaning unit drive end bearing bracket, and 7 is the fan in drive end bearing bracket.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Box photocatalysis air cleaning device as shown in accompanying drawing 1-4, air cleaning unit shell 1 two ends are provided with netted thin plate 2, and before netted thin plate, adsorption layer 3 is filtered in laminating; Air cleaning unit case nose is provided with drive end bearing bracket 6; Be provided with air inlet in the middle of drive end bearing bracket, in air inlet, be provided with fan 7; The photocatalysis flat board 4 of decussate texture is provided with in air cleaning unit housing; At air cleaning unit, inner four drift angle places are provided with ultraviolet lamp source 6.
Filtering adsorption layer is one piece of NACF, and before and after air cleaning unit, respectively have one, NACF is fixed on netted thin-slab structure, is square below the radial cross-section of netted thin-slab structure and NACF, and top is two ends drift angle is fillet.Rear and front end is connected with air cleaning unit shell rear portion with drive end bearing bracket respectively.
The photocatalysis flat board of decussate texture is two pieces of flat boards intersected vertically, and radial section is cross, and four edges is connected with inside air cleaning unit shell, and length is identical with air cleaning unit shell; The photocatalysis planar surface of described decussate texture is provided with titanium dioxide photocatalyst layers, or load has titanium dioxide optical catalyst.
Ultraviolet source selects quartz burner, and its one end and drive end bearing bracket are fixedly linked, and the netted thin-slab structure of the other end and rear end is fixedly linked.Four quartz burners in ultraviolet source are separately fixed at inner four the drift angle places of air cleaning unit, and length is consistent with air cleaning unit shell.
The central authorities of drive end bearing bracket arrange a circular air admission hole, are provided with a fan in air admission hole.
NACF is purchased from Jiangsu Ke Jing carbon fiber Co., Ltd.
The long 80cm of box photocatalysis air cleaning device, wide 50cm, high 50cm, air cleaning unit outer casing thickness 5 centimetres, installs ultraviolet lamp tube 4, air inlet diameter 30cm.According to prior art, highly active graphite-composite titania material is loaded to the photocatalysis planar surface of decussate texture by knife coating.
Air inlet at the uniform velocity passes into the acetone and air gas mixture that content of acetone is 15ppm, reacts under the irradiation of reactor inner light source unit, and back outlet detects acetone concentration, calculates the clearance of acetone.From test result, degradation rate remains on about 80%, and kept stable, there is no larger fluctuation.
Above to invention has been exemplary description; should be noted that; when not departing from core of the present invention, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection scope of the present invention.

Claims (8)

1. a box photocatalysis air cleaning device, comprises air cleaning unit shell, netted thin plate and filters adsorption layer; It is characterized in that air cleaning unit shell two ends are provided with netted thin plate, before netted thin plate, adsorption layer is filtered in laminating; Air cleaning unit case nose is provided with drive end bearing bracket; Be provided with air inlet in the middle of drive end bearing bracket, in air inlet, be provided with fan; The photocatalysis being provided with decussate texture in air cleaning unit housing is dull and stereotyped; At air cleaning unit, inner four drift angle places are provided with ultraviolet lamp source.
2. device as claimed in claim 1, it is characterized in that air cleaning unit shell, is square below its radial cross-section, and top is two ends drift angle is fillet.
3. device as claimed in claim 1, for square below the radial cross-section that it is characterized in that netted thin plate, top is two ends drift angle is fillet, and size is consistent with air cleaning unit shell.Former and later two netted thin-slab structures are connected with air cleaning unit shell rear portion with drive end bearing bracket respectively.Netted thin-slab structure, its porous pass is square, is evenly distributed on thin plate.
4. device as claimed in claim 1, it is characterized in that the photocatalysis flat board of decussate texture is that two pieces of tabular photocatalysis intersected vertically are dull and stereotyped, radial section is cross, and four edges is connected with inside air cleaning unit shell, and length is identical with air cleaning unit shell.
5. device as claimed in claim 1, it is characterized in that quartz burner is selected in outer lamp source, one end and drive end bearing bracket are fixedly linked, and the netted thin-slab structure of the other end and rear end is fixedly linked; Length is consistent with air cleaning unit shell.
6. device as claimed in claim 1, is characterized in that filtering adsorption layer is activated carbon fiber layers.
7. device as claimed in claim 1, is characterized in that the photocatalysis plate outer surface of decussate texture is provided with titanium dioxide photocatalyst layers.
8. box photocatalysis air cleaning device is applied in the sealing chamber environment of family, laboratory, subway or factory.
CN201510819133.6A 2015-11-23 2015-11-23 Box-type photocatalytic air purification device Pending CN105289290A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105597532A (en) * 2016-03-11 2016-05-25 浙江大学 Purifying device and method for multi-pollutant gas in tunnel and parking lot space
CN107117684A (en) * 2017-06-20 2017-09-01 天津大学 Oil-polluted water purification pot based on photocatalysis and electrolysis tech
CN107281935A (en) * 2017-06-26 2017-10-24 江阴市天邦光催化研究所有限公司 Visible light photocatalysis air cleaning filter
CN107824042A (en) * 2016-12-16 2018-03-23 江苏城工建设科技有限公司 A kind of method and device of graphene catalytic purification air

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2529646Y (en) * 2001-10-26 2003-01-08 窦伟 Photocatalysis air purifier
CN2598626Y (en) * 2002-12-16 2004-01-14 天津大学 Chemical laboratory waste gas absorption-photocatalytic degradation cleaning devie
US20080260600A1 (en) * 2005-07-08 2008-10-23 Ahlstrom Corporation Building Designed For Storing Foul-Smelling Effluents
CN101920036A (en) * 2009-12-31 2010-12-22 周云正 Purifier with metal band-plate structure reactor
CN102506468A (en) * 2011-11-16 2012-06-20 上海交通大学 High-energy ultrasonic coupling photocatalytic air purification system
CN204240485U (en) * 2014-09-03 2015-04-01 中国科学院城市环境研究所 Photo-catalytic air cleaner
CN104955490A (en) * 2013-01-25 2015-09-30 首尔伟傲世有限公司 Air cleaning apparatus using UVLED
CN204746046U (en) * 2015-05-04 2015-11-11 江苏恒智纳米科技有限公司 Multi -function air purifier

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2529646Y (en) * 2001-10-26 2003-01-08 窦伟 Photocatalysis air purifier
CN2598626Y (en) * 2002-12-16 2004-01-14 天津大学 Chemical laboratory waste gas absorption-photocatalytic degradation cleaning devie
US20080260600A1 (en) * 2005-07-08 2008-10-23 Ahlstrom Corporation Building Designed For Storing Foul-Smelling Effluents
CN101920036A (en) * 2009-12-31 2010-12-22 周云正 Purifier with metal band-plate structure reactor
CN102506468A (en) * 2011-11-16 2012-06-20 上海交通大学 High-energy ultrasonic coupling photocatalytic air purification system
CN104955490A (en) * 2013-01-25 2015-09-30 首尔伟傲世有限公司 Air cleaning apparatus using UVLED
CN204240485U (en) * 2014-09-03 2015-04-01 中国科学院城市环境研究所 Photo-catalytic air cleaner
CN204746046U (en) * 2015-05-04 2015-11-11 江苏恒智纳米科技有限公司 Multi -function air purifier

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105597532A (en) * 2016-03-11 2016-05-25 浙江大学 Purifying device and method for multi-pollutant gas in tunnel and parking lot space
CN105597532B (en) * 2016-03-11 2018-01-23 浙江大学 It is a kind of to be used for tunnel, the purifier and its purification method of the more dusty gas of parking lot space
CN107824042A (en) * 2016-12-16 2018-03-23 江苏城工建设科技有限公司 A kind of method and device of graphene catalytic purification air
CN107117684A (en) * 2017-06-20 2017-09-01 天津大学 Oil-polluted water purification pot based on photocatalysis and electrolysis tech
CN107281935A (en) * 2017-06-26 2017-10-24 江阴市天邦光催化研究所有限公司 Visible light photocatalysis air cleaning filter

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Inventor after: Yu Tao

Inventor after: Zhang Zhiyang

Inventor after: Wang Yifei

Inventor after: Tan Xin

Inventor after: Shang Qianqian

Inventor after: Jia Lixia

Inventor before: Yu Tao

Inventor before: Zhang Zhiyang

Inventor before: Tan Xin

Inventor before: Shang Qianqian

Inventor before: Jia Lixia

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RJ01 Rejection of invention patent application after publication

Application publication date: 20160203

RJ01 Rejection of invention patent application after publication