CN108246067A - A kind of smell photocatalysis purifier - Google Patents
A kind of smell photocatalysis purifier Download PDFInfo
- Publication number
- CN108246067A CN108246067A CN201810052816.7A CN201810052816A CN108246067A CN 108246067 A CN108246067 A CN 108246067A CN 201810052816 A CN201810052816 A CN 201810052816A CN 108246067 A CN108246067 A CN 108246067A
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- Prior art keywords
- housing
- fiber glass
- smell photocatalysis
- purifier according
- photocatalysis purifier
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
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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)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
The present invention relates to a kind of smell photocatalysis purifiers, it includes：Housing, the shell one end is equipped with coupled logical blast pipe and the other end is equipped with coupled logical discharge pipe；Fiber glass packing, the fiber glass packing are made of the transparent glass fibre being filled in the housing, bear photocatalyst-bearing；The ultraviolet lamp bar of multiple tracks, the ultraviolet lamp bar are laid in the fiber glass packing；Wind turbine, the assembling is on the discharge pipe, for exhaust gas to be clean to be made to pass through the fiber glass packing with the speed of 0.2m/s ~ 2m/s.It is fully propagated in this way in glass fibre or by fiberglass surfacing reflection and scattering process, reach catalyst particle surface and be fully utilized, so that electron transition occurs for photocatalyst surface, so as to form photoelectric current, to interrupt the molecular link of Organic Pollutants in gas, to realize the sufficiently cleaned up of exhaust gas to be clean.
Description
Technical field
The present invention relates to a kind of purifiers, and in particular to a kind of smell photocatalysis purifier.
Background technology
Photocatalysis purifying technology is mainly by photochemical catalyst（Such as TiO2Deng）It is supported on bigger serface, high adsorption
On the carrier of energy, the luminous energy of extraneous radiation is absorbed, luminous energy is directly translated into chemical energy, for being two by organic pollutant degradation
Carbonoxide and water play the synergistic effect of efficient physical absorption and photocatalysis Decomposition, eliminate physical absorption saturation and secondary dirt
The defects of dye, therefore photocatalysis purifying technology is used widely.
However, in existing smell photocatalysis purifier, the general ceramic honeycomb bigger using area（As China is real
With novel disclosed, Patent No. 200920046816.2）, the carrier of the porous materials as photochemical catalyst such as activated carbon, on one side
The carrier ventilation of negative photocatalyst-bearing, irradiates exciting light, so as to carry out the purification of air by light source on one side.But due to cellular
Structure, the light of the photochemical catalyst excitaton source irradiation of configuration are blocked by the wall of honeycomb, and the photo-irradiation intensity inside honeycomb hole is low,
The low region of photocatalyst activity is inevitably generated, there is the problem of can not fully improving purifying property.In addition, due to
Ceramics, activated carbon itself do not propagate light, thus when having irradiated exciting light, the part photocatalysis that is contacted with ceramics, activated carbon
Agent particle is in the shade of other photocatalyst particles, for increasing photocatalyst particles specific surface area to improve photocatalytic
Can, effect also halves, and leverages light catalytic purifying effect.
Invention content
A kind of smell photocatalysis purifier is provided the invention aims to overcome the deficiencies in the prior art.
In order to achieve the above objectives, the technical solution adopted in the present invention is：A kind of smell photocatalysis purifier, it includes：
Housing, the shell one end is equipped with coupled logical blast pipe and the other end is equipped with coupled logical outlet air
Pipe；
Fiber glass packing, the fiber glass packing are made of the transparent glass fibre being filled in the housing, load
There is photochemical catalyst；
The ultraviolet lamp bar of multiple tracks, the ultraviolet lamp bar are laid in the fiber glass packing；
Wind turbine, the assembling is on the discharge pipe, for exhaust gas to be clean to be made to pass through institute with the speed of 0.2m/s ~ 2m/s
State fiber glass packing.
Optimally, diameter≤10 μm of the glass fibre.
Further, the glass fibre is cellular glass fiber.
Further, dioxide-containing silica >=50% of the glass fibre.
Optimally, the photochemical catalyst is nano-TiO2, it is anatase crystal or is Detitanium-ore-type and rutile-type
Mixture.
Further, ultraviolet wavelength≤378nm of the ultraviolet lamp bar transmitting.
Further, a length of 184.9nm ~ 254nm of ultraviolet light wave of the ultraviolet lamp bar transmitting.
Optimally, the housing includes filling part and is formed in the water conservancy diversion tapering at the filling part both ends, the water conservancy diversion
The face area being connected in tapering with the filling part is more than its other end area, the blast pipe and the discharge pipe point
It An Zhuan not be at the other end in the water conservancy diversion tapering.
Further, be also equipped with filter screen in the housing, the filter screen be set to the fiber glass packing and
Between the blast pipe.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：Photocatalysis of the present invention is net
Makeup is put, and fiber glass packing is formed by filling transparent glass fibre in housing, and in its interior loaded optic catalyst, this
Permeability of the ultraviolet light that sample ultraviolet lamp is sent out in glass fibre is high, can fully be propagated or by glass fibers in glass fibre
Dimension table face is reflected and scattering process, reaches catalyst particle surface and is fully utilized so that electronics occurs for photocatalyst surface
Transition, so as to form photoelectric current, to interrupt the molecular link of Organic Pollutants in gas, to realize the abundant net of exhaust gas to be clean
Change.
Description of the drawings
Fig. 1 is the structure diagram of smell photocatalysis purifier of the present invention.
Specific embodiment
The preferred embodiment of the invention is described in detail below in conjunction with attached drawing：
Smell photocatalysis purifier as shown in Figure 1 mainly includes housing 1, fiber glass packing 2, ultraviolet lamp bar 3 and wind turbine 7 etc..
Wherein, one end of housing 1 coupled logical blast pipe 5 is installed and its other end be equipped with it is coupled logical
Discharge pipe 6.Fiber glass packing 2 is made of the transparent glass fibre being filled in housing 1, bears photocatalyst-bearing；Glass
Fiber aspect weaves, and photochemical catalyst is made to be attached between fiberglass surfacing or the gap of glass fibre.Ultraviolet lamp bar 3 has more
Road, they are laid in fiber glass packing 2；Since glass fibre is transparent, the ultraviolet light that such ultraviolet lamp is sent out is in glass
Permeability in glass fiber is high, can fully be propagated in glass fibre or by fiberglass surfacing reflection and scattering process, from
And it reaches catalyst particle surface and is fully utilized（Be conducive to improve the journey that ultraviolet light reaches catalyst particle surface
Degree）So that electron transition occurs for photocatalyst surface, so as to form photoelectric current, to interrupt the molecule of Organic Pollutants in gas
Key, to realize the sufficiently cleaned up of exhaust gas to be clean.Wind turbine 7 is mounted on discharge pipe 6, and the power as purification exhaust gas flowing comes
Source so that exhaust gas to be clean with the speed of 0.2m/s ~ 2m/s by fiber glass packing 2, such velocity interval it is to be clean
Exhaust gas can come into full contact with the degree of purification so as to improve purification exhaust gas with photochemical catalyst.
In the present embodiment, diameter≤10 μm of glass fibre, and preferably cellular glass fiber, to increase glass fibers
Dimension and the contact area of photochemical catalyst, the ability of the fiber-loaded photochemical catalyst of reinforcing glass extend smell photocatalysis purifier and use
Service life；Glass fibre is more preferably dioxide-containing silica >=50%, can improve transmission of the ultraviolet light in glass fibre in this way
Property, and then improve photoelectric current.Photochemical catalyst is usually nano-TiO2, preferably anatase crystal or preferably Detitanium-ore-type
With the mixture of rutile-type, the ultraviolet wavelength that ultraviolet lamp bar 3 emits at this time preferably≤378nm（More preferable 184.9nm ~
254nm）, TiO can be fully ensured that in this way2Electron transition, i.e. a TiO occur for surface2Surface " valency electricity having electronic " transits to
Become active electrons on " conductive strips ", so as to form photoelectric current, and make TiO2Surface leaves the positively charged hole of electron deficient, shape
Into TiO2Photocatalysis performance.
In the present embodiment, housing 1 includes filling part 11（Can be columnar or square barrel-shaped）And it is formed
In the water conservancy diversion tapering 12 at 11 both ends of filling part（As truncated cone-shaped structure）, the end face that is connected with filling part 11 in water conservancy diversion tapering 12
Area is more than its other end area（Connecting pin area is more than its free end area i.e. in water conservancy diversion tapering 12）, blast pipe 5 and go out
Air hose 6 is separately mounted to the other end in water conservancy diversion tapering 12（Free end）Place.Filter screen 4, filter screen 4 are also equipped in housing 1
It is arranged between fiber glass packing 2 and blast pipe 5 with to the gas containing Organic Pollutants（Exhaust gas i.e. to be clean）Located in advance
Reason（The solid particle contained in main removal gas）；More importantly filter screen 4 plays the role of air flow method so that exhaust gas
It is evenly distributed in housing 1 so as to the degree for improving purification.
Also light-catalysed catalytic performance is confirmed in the present invention, in specific embodiment listed below.
Experimental example 1
This experimental example provides a kind of application of above-mentioned light catalytic purifying, for be to initial concentration 10ppm containing aldehydes gas into
Row processing, design parameter are as follows：It is 250cm in area2Base sheet on supported titanium dioxide（Detitanium-ore-type 80%, rutile
Type 20%, mass percent）4.9g；It is irradiated using lamp source in confined space（Wavelength is 254nm, and exposure intensity is
2.05mW/cm2）：During gas treatment 10 minutes, the removal rate of acetaldehyde reaches 80%；During gas treatment 20 minutes, acetaldehyde removal rate
Reach 90%；At 40 minutes, reach 95%.
Experimental example 2
This experimental example provides a kind of application of above-mentioned light catalytic purifying, for be to initial concentration 10ppm containing aldehydes gas into
Row processing, it with basically identical in experimental example 1, the difference is that：It is 250cm in area2Base sheet on support titanium dioxide
Titanium（Detitanium-ore-type 50%, rutile-type 50%, mass percent）4.9g；After ten minutes, the removal rate of acetaldehyde reaches gas treatment
70%；During gas treatment 20 minutes, acetaldehyde removal rate reaches 80%；At 40 minutes, reach 85%.
Experimental example 3
This experimental example provides a kind of application of above-mentioned light catalytic purifying, for be to initial concentration 10ppm containing aldehydes gas into
Row processing, it with basically identical in experimental example 1, the difference is that：Lamp source wavelength is 185nm；During gas treatment 10 minutes, acetaldehyde
Removal rate reach 85%；During gas treatment 20 minutes, acetaldehyde removal rate reaches 95%.
Experimental example 4
This experimental example provides a kind of application of above-mentioned light catalytic purifying, and the ammonia-containing gas that initial concentration is 20ppm are handled,
Design parameter is as follows：Lamp source wavelength is 254nm, exposure intensity 3.5mW/cm2, it is 250cm in area2Base sheet on carry on a shoulder pole
Carrying of titanium dioxide（Detitanium-ore-type 80%, rutile-type 20%, mass percent）8.5g.During gas treatment 5 minutes, ammonolysis craft is
80%；At 10 minutes, 90% is decomposed；By after twenty minutes, ammonolysis craft reaches 95% or so.
Experimental example 5
This experimental example provides a kind of application of above-mentioned light catalytic purifying, and the ammonia-containing gas that initial concentration is 20ppm are handled,
It with basically identical in experimental example 4, unlike：It is 250cm in area2Base sheet on supported titanium dioxide（Rutile titania
Ore deposit type 50%, rutile-type 50%, mass percent）8.5g.During gas treatment 5 minutes, ammonolysis craft 60%；At 10 minutes, decompose
70%；By after twenty minutes, ammonolysis craft reaches 85% or so.
Experimental example 6
This experimental example provides a kind of application of above-mentioned light catalytic purifying, and the ammonia-containing gas that initial concentration is 20ppm are handled,
It with basically identical in experimental example 4, unlike：It is 250cm in area2Base sheet on supported titanium dioxide（Rutile titania
Ore deposit type 100%）8.5g.During gas treatment 5 minutes, ammonolysis craft 85%；At 10 minutes, 92% is decomposed；By after twenty minutes, ammonia divides
Solution property reaches 98% or so.
Comparative example 7
This experimental example provides a kind of application of above-mentioned light catalytic purifying, and the ammonia-containing gas that initial concentration is 20ppm are handled,
It with basically identical in experimental example 3, unlike：It is 250cm in area2Base sheet on supported titanium dioxide（Golden red
Stone-type 100%）8.5g, ammonia are undecomposed.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application there are many deformation and
Variation is without departing from spirit herein, it is desirable to which appended claim includes these deformations and changes without departing from the application's
Spirit.
Claims (9)
1. a kind of smell photocatalysis purifier, which is characterized in that it includes：
Housing（1）, the housing（1）One end is equipped with coupled logical blast pipe（5）And the other end be equipped with it is coupled
Logical discharge pipe（6）；
Fiber glass packing（2）, the fiber glass packing（2）By being filled in the housing（1）Interior transparent glass fibre group
Into negative photocatalyst-bearing；
The ultraviolet lamp bar of multiple tracks（3）, the ultraviolet lamp bar（3）It is laid in the fiber glass packing（2）It is interior；
Wind turbine（7）, the wind turbine（7）Mounted on the discharge pipe（6）On, for making exhaust gas to be clean with 0.2m/s ~ 2m/s's
Speed passes through the fiber glass packing（2）.
2. smell photocatalysis purifier according to claim 1, it is characterised in that：Diameter≤10 μm of the glass fibre.
3. smell photocatalysis purifier according to claim 2, it is characterised in that：The glass fibre is fine for cellular glass
Dimension.
4. the smell photocatalysis purifier according to Claims 2 or 3, it is characterised in that：The silica of the glass fibre
Content >=50%.
5. smell photocatalysis purifier according to claim 1, it is characterised in that：The photochemical catalyst is nano-TiO2, it is sharp
Titanium ore crystal form is Detitanium-ore-type and the mixture of rutile-type.
6. smell photocatalysis purifier according to claim 5, it is characterised in that：The ultraviolet lamp bar（3）What is emitted is ultraviolet
Optical wavelength≤378nm.
7. smell photocatalysis purifier according to claim 6, it is characterised in that：The ultraviolet lamp bar（3）What is emitted is ultraviolet
A length of 184.9nm ~ the 254nm of light wave.
8. smell photocatalysis purifier according to claim 1, it is characterised in that：The housing（1）Including filling part（11）
And it is formed in the filling part（11）The water conservancy diversion tapering at both ends（12）, the water conservancy diversion tapering（12）In with the filling part（11）
The face area being connected is more than its other end area, the blast pipe（5）With the discharge pipe（6）It is separately mounted to described
Water conservancy diversion tapering（12）Other end at.
9. the smell photocatalysis purifier according to claim 1 or 8, it is characterised in that：The housing（1）Inside it was also equipped with
Strainer（4）, the filter screen（4）It is set to the fiber glass packing（2）With the blast pipe（5）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810052816.7A CN108246067A (en) | 2018-01-19 | 2018-01-19 | A kind of smell photocatalysis purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810052816.7A CN108246067A (en) | 2018-01-19 | 2018-01-19 | A kind of smell photocatalysis purifier |
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| Publication Number | Publication Date |
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| CN108246067A true CN108246067A (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810052816.7A Pending CN108246067A (en) | 2018-01-19 | 2018-01-19 | A kind of smell photocatalysis purifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170244A (en) * | 2019-07-06 | 2019-08-27 | 郭绍华 | Luminescent device packed tower |
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| US20040226813A1 (en) * | 2003-05-16 | 2004-11-18 | Wei-Hong Wang | Fluorescent lamp device capable of cleaning air |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170244A (en) * | 2019-07-06 | 2019-08-27 | 郭绍华 | Luminescent device packed tower |
| CN110170244B (en) * | 2019-07-06 | 2023-12-19 | 广东风和洁净工程有限公司 | Light-emitting device packing tower |
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Application publication date: 20180706 |
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