CN201445916U - Air purifier for treating factory waste gas - Google Patents
Air purifier for treating factory waste gas Download PDFInfo
- Publication number
- CN201445916U CN201445916U CN2009200610083U CN200920061008U CN201445916U CN 201445916 U CN201445916 U CN 201445916U CN 2009200610083 U CN2009200610083 U CN 2009200610083U CN 200920061008 U CN200920061008 U CN 200920061008U CN 201445916 U CN201445916 U CN 201445916U
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- China
- Prior art keywords
- air purifier
- clean room
- uviol lamp
- photocatalyst layer
- plant gas
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Abstract
The utility model provides an air purifier for treating factory waste gas, characterized in that the air purifier comprises a air quantity control flap, a flame arrester, a purifying chamber and a fan, the air quantity control flap, the flame arrester, the purifying chamber and the fan are connected in order through pipelines, the front of the air quantity control flap is connected with a exhaust gas outlet, a purified air outlet is arranged after the purifying chamber and the fan, and the purifying chamber, the purified air outlet and the fan are connected in order by pipelines. The air purifier has simple and reasonable structure, can effectively adsorb and enrich volatile organic compounds and performing the in-situ photocatalytic degradation for the same, and has high treatment efficiency and low photocatalyst reproducing cost.
Description
Technical field
The utility model relates to factory air purification techniques field, be particularly related to a kind of air purifier that is used to administer plant gas, administer by titanium dioxide/active carbon fiber photocatalyst, can adsorption and enrichment and the volatile organic compounds in photocatalytic degradation production work place.
Background technology
Along with going deep into of China's reform and opening-up, industry is fast-developing, and air quality generally has been subjected to serious threat.In the whole atmosphere pollution substance system, except total suspended particles contact scar beyond the region of objective existence, the gaseous contaminant that factory discharges accounts for pith, accounts for more than 75% of polluter that the whole world enters atmosphere every year.Gaseous contaminant is divided into inorganic pollution and organic pollution, and in 25 kinds of gases in the listed toxic gas emission inventory of American National Environmental Protection Department, 18 kinds is organic matter.These pollutants meeting severe exacerbation people's living environment works the mischief to healthy and ecological environment.
The organic gas treatment technology is used heat damage method, absorption process, chemical oxidization method, absorption method, light decomposition method and bioanalysis always both at home and abroad.Absorption process and absorption method have just been carried out the transformation of enrichment or form to dusty gas, have secondary pollution, need carry out advanced treating to poisonous and harmful substance; In the heat damage method, directly burning easily produces secondary pollution problems; The ozone oxidation method requires high to equipment, need safety devices; Though bioanalysis exists expense low, can occur in the running needing to upgrade the problems such as too high generation obstruction of loading as filler.Photocatalysis oxidation technique is considered to be in promising novel high-level oxidation technology in the field of environment protection, and it has tremendous potential in waste water, waste gas purification.Because TiO
2The chemical stability height of (titanium dioxide), fast light corrosion, TiO in addition
2Harmless, so TiO
2For using photochemical catalyst widely.But TiO
2The absorption property of photochemical catalyst is poor, and airborne organic contamination substrate concentration is relatively low, therefore is difficult to effectively be enriched to TiO
2The surface, thus TiO influenced
2Photochemical catalyst is to the photocatalysis efficiency of volatile organic matter.
(activated carbon fiber ACF) is a kind of high-quality carbon material adsorbing material to NACF, and its specific area is the several times of granular activated carbon, the relative low-concentration organic exhaust gas of adsorbable processing, thereby adsorption of Low Concentration organic pollution effectively.But NACF is as a kind of adsorbent, after the absorption that reaches capacity, has the same difficult problem that must regeneration just can recover its adsorption capacity with other absorbent charcoal material.And its regeneration techniques exists shortcomings such as reclaim equiment complexity, running expense height, and the secondary pollution problem is arranged.
The utility model content
The purpose of this utility model is to overcome the shortcoming of prior art with not enough, provide a kind of simple and reasonable for structure, effectively adsorption and enrichment and simultaneously original position photocatalytic degradation volatile organic matter and make it not have being used to of poisoning and administer the air purifier of the organic volatile waste gas that the plant produced place produces.This air purifier adopts titanium dioxide (TiO
2The catalysis of)/NACF (ACF) photochemical catalyst, treatment effeciency height, photochemical catalyst regeneration cost are low.
The purpose of this utility model is achieved through the following technical solutions:
A kind of air purifier that is used to administer plant gas, comprise volume control damper door, spark arrester, clean room and blower fan, described volume control damper door, spark arrester are connected by pipeline successively with the clean room, and described volume control damper is held in front of the door with outlet port and is connected; Be provided with the outlet that purifies air after described clean room and the blower fan, clean room, the outlet that purifies air are connected successively with blower and pipeline.
In order to realize the utility model better, inside, described clean room comprises uviol lamp, alarm and photocatalyst layer, described photocatalyst layer supports with wire netting, and each interlayer of photocatalyst layer is in being arranged in the clean room, and described uviol lamp is arranged between per two photocatalyst layers; Uviol lamp is surrounded by quartz glass outward, can prevent that uviol lamp from starting or when closing issuable electric spark contact with organic exhaust gas and the blast that causes; Alarm is located at the edge top of inside, clean room, is used for detecting the content of clean room's organic pollution, just in case catalyst failure, organic concentration is then reported to the police when flash-point, and is quick-fried to prevent the contingent sudden strain of a muscle of organic matter.
As preferred version, described photocatalyst layer has 1～6 layer, between per two photocatalyst layers 1～3 uviol lamp is set, and the distance of described uviol lamp and described photochemical catalyst interlayer is 5～50cm, and the distance between described uviol lamp and the uviol lamp is 5～50cm.
Described photocatalyst layer is titanium dioxide/active carbon fiber photocatalyst layer, the catalyst of described titanium dioxide/active carbon fiber photocatalyst for adopting titanium dichloride load to make at NACF.The NACF of NACF for handling through hydrophobicity, easier adsorb organic compound reduces the competitive Adsorption of water in air.
Described alarm is organic pollution flash-point alarm (an organic gas concentration alarm), in case organic pollution waste gas aggregation can be reported to the police when reaching flash-point soon in the clean room, can start shooting after the pending exhaust.
Described blower fan comprises blade and motor, and blade is connected with motor, and described blade places in the pipeline, and described motor places the pipeline outside.
Described blower fan is the explosion-proof type blower fan, can prevent fan starting or issuable electric spark and the organic pollution waste gas that ignites when stopping.
The relative position of described photochemical catalyst interlayer can change, and can be to be arranged in parallel, and also can be is staggered or presents waveform arranges; Uviol lamp and photocatalyst layer relative position also can change, and the dominant wavelength of ultraviolet light, power can change etc.These can change, according to the increase capacities of decomposition such as concentration change power of waste gas.
Air purifier of the present utility model can be used for administering the pollutants such as organic exhaust gas of enterprise or factory's discharging.
Action principle of the present utility model is: this air purifier adopts ACF (NACF) as carrier loaded TiO
2Catalyst utilizes its absorption property that the light concentration organic pollutant in the room air is adsorbed fast, reaches the enrichment of organic pollution on carrier A CF, is loaded on the TiO on the ACF then
2Catalyst surface carries out the light-catalyzed reaction of original position under the irradiation of ultraviolet light, make light concentration organic pollutant carry out effective light-catalyzed reaction, until being converted into harmless carbon dioxide, water and simple inorganic matter fully, make the continuous in-situ regeneration of ACF, the efficient and non-secondary pollution of this process.
The utility model compared with prior art has following advantage and beneficial effect:
(1) air purifier of the present utility model has absorption removal effect and photocatalytic Degradation simultaneously to poisoning organic pollution waste gas, and TiO
2Photocatalysis efficiency can increase greatly after super-strong acidified processing, the more important thing is that ACF is through organosilyl modification, to the easier absorption of the organic pollution of apolar substance, reduce apolar substance water and made in the competitive Adsorption on the ACF that relative light concentration organic pollutant is easier effectively to be adsorbed and then carry out light-catalyzed reaction on enrichment ACF, thereby effectively improved photocatalysis efficiency.
(2) TiO of air purifier of the present utility model
2/ ACF photochemical catalyst (titanium dioxide/active carbon fiber photocatalyst) has very strong in-situ regeneration ability, and prolongs service life, reduces the cost of administering enterprise's discharging organic exhaust gas greatly.
(3) air purifier of the present utility model is equipped with the explosion-proof type blower fan, can prevent fan starting or issuable electric spark and the organic pollution waste gas that ignites when stopping; And uviol lamp is an explosion-proof lamp, and it is outer to be surrounded by quartz glass, can prevent the electric spark that produces and the blast that causes improved its security greatly.
(4) air purifier of the present utility model is equipped with organic pollutants flash-point alarm, can start alarm in case organic pollution waste gas aggregation reaches flash-point in the clean room, can start shooting after the pending exhaust, has reduced its danger.
(5) the clean room's interior lights catalyst layer of air purifier of the present utility model and the ingenious design of uviol lamp position make airborne volatile organic contaminant can constantly be adsorbed on the TiO of Large ratio surface in the process of circular response
2/ ACF photocatalyst layer has increased the actual contact of volatile organic matter and fixed bed effectively, has increased the adsorbance of volatile organic contaminant in photocatalyst surface, has improved volatile organic contaminant at TiO
2On concentration, thereby can improve the efficient of photocatalytic degradation volatile organic matter effectively.
(6) air purifier of the present utility model is provided with spark arrester, can prevent the quick-fried point that the aggregation of the inner possible organic exhaust gas in clean room occurs to flash-point, and blocking-up is got in touch with the air of workshop, the safety of assurance workshop.
Description of drawings
Fig. 1 is a kind of structure chart of air purifier of the present utility model.
Fig. 2 is the workflow diagram of air purifier shown in Figure 1.
Fig. 3 is the TiO of air purifier shown in Figure 1
2The dynamics figure of/ACF photocatalyst layer photocatalytic degradation benzene.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1
Fig. 1 shows a kind of concrete structure figure of present embodiment, as shown in Figure 1, originally be used to administer the air purifier of plant gas, comprise volume control damper door 2, spark arrester 3, clean room and explosion-proof type blower fan 8, described volume control damper door 2, spark arrester 3 is connected by pipeline successively with the clean room, described volume control damper door 2 front ends are connected with outlet port 1 (gas port of factory's discharging organic exhaust gas), be provided with the outlet 7 that purifies air, clean room after described clean room and the explosion-proof type blower fan 8, purify air outlet 7 and explosion-proof type blower fan 8 is connected successively by pipeline.Blower fan 8 comprises blade and motor, and blade is connected with motor, and blade places in the pipeline, and motor places the pipeline outside.
Spark arrester 3 is air inlet, and spark arrester 3 can prevent the quick-fried point that the aggregation of the organic exhaust gas that the clean room is inner possible occurs to flash-point, and blocking-up is got in touch with the air of workshop, guarantees the safety of workshop.Described volume control damper door 2 can be regulated the air quantity that spark arrester 3 (air inlet) enters.
Inside, described clean room comprises uviol lamp 4, alarm 5 and photocatalyst layer 6, and described uviol lamp 4 is arranged between per two photocatalyst layers 6; Described photocatalyst layer 6 usefulness wire nettings are supported in the clean room, photocatalyst layer 6 every layer parallel arrangement; Alarm 5 is arranged on the edge top of inside, clean room, is used for detecting the content of clean room's organic pollution, just in case catalyst failure, organic concentration is reported to the police when flash-point, prevents that the contingent sudden strain of a muscle of organic matter is quick-fried; Be surrounded by quartz glass outside the uviol lamp 4, thereby can prevent that the electric spark that produces from playing explosion-proof.
Described photocatalyst layer 6 has 2 layers, between per two photocatalyst layers 61 uviol lamp 4 is set, and the distance that described uviol lamp 4 and described photocatalyst layer are 6 is 5cm.
Described photocatalyst layer 6 is titanium dioxide/active carbon fiber photocatalyst layer, the catalyst of described titanium dioxide/active carbon fiber photocatalyst for adopting titanium dichloride load to make at NACF.The NACF of NACF for handling through hydrophobicity, easier adsorb organic compound waste gas reduces the competitive Adsorption of water in air.
Described alarm 5 is organic pollution flash-point alarm (an organic gas concentration alarm), can report to the police in case organic pollution waste gas aggregation reaches flash-point in the clean room, can start shooting after the pending exhaust.
The action principle of present embodiment: as shown in Figure 2, explosion-proof fan 8 sucks spark arrester 3 (being air inlet) with air, the air that contains the volatile organic contaminant waste gas of workshop discharge enters inside, clean room through spark arrester, and volatile organic contaminant waste gas is adsorbed on TiO
2On/ACF the photocatalyst layer, under the irradiation of the ultraviolet light that sends of uviol lamp 4, be adsorbed on TiO
2Pollutant on the/ACF resolves into innocuous substance, and the clean air after the purification is directly discharged through the outlet 7 that purifies air.
Fig. 3 has provided TiO
2/ ACF photochemical catalyst is to the kinetic curve of the photocatalytic degradation of benzene in factory's organic compounds (benzene, acetone, total hydrocarbon etc.).As seen from Figure 3, TiO
2/ ACF photochemical catalyst has very high photocatalysis to organic exhaust gas and removes efficient.In initial reaction stage, it is more gentle that the concentration of organic exhaust gas descends, and becomes gradually than comparatively fast to reacting the later stage.This be since when beginning TiO
2Photocatalytic degradation be adsorbed on organic exhaust gas on the ACF in advance, the adsorption capacity of ACF is regenerated, the ACF after the regeneration continues to adsorb new organic exhaust gas again, absorption is at this moment carried out simultaneously with photocatalysis, when pollutant is adsorbed onto that ACF goes up and at TiO
2The speed of photocatalytic degradation reaches balance on the surface, and degradation rate also reaches maximum, and adsorbs and light-catalyzed reaction in continuous circulation.Along with the increase in reaction time, the benzene clearance obviously increases, and when the reaction time reached 120 minutes, its degradation rate reached 70%.This shows that this air purifier has extraordinary removal efficient to organic exhaust gas.
Embodiment 2
Present embodiment except that following characteristics with embodiment 1: described photocatalyst layer haves three layers, between per two photocatalyst layers, 2 uviol lamps are set, the distance of described uviol lamp and described photochemical catalyst interlayer is 25cm, and the distance between described uviol lamp and the uviol lamp is 5cm.
Embodiment 3
Present embodiment except that following characteristics with embodiment 1: described photocatalyst layer has 6 layers, between per two photocatalyst layers, 3 uviol lamps are set, the distance of described uviol lamp and described photochemical catalyst interlayer is 50cm, and the distance between described uviol lamp and the uviol lamp is 10cm.
Photocatalyst layer 6 every layer be arranged in parallel, and present waveform and arrange.
The foregoing description is the utility model preferred implementation; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spiritual essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (9)
1. air purifier that is used to administer plant gas, it is characterized in that: comprise volume control damper door, spark arrester, clean room and blower fan, described volume control damper door, spark arrester are connected by pipeline successively with the clean room, and described volume control damper is held in front of the door with outlet port and is connected; Be provided with the outlet that purifies air after described clean room and the blower fan, clean room, the outlet that purifies air are connected successively with blower and pipeline.
2. the air purifier that is used to administer plant gas according to claim 1, it is characterized in that: inside, described clean room comprises uviol lamp, alarm and photocatalyst layer, described photocatalyst layer is supported in the clean room with wire netting, and each interlayer of photocatalyst layer is in being arranged in the clean room; Described uviol lamp is arranged between per two photocatalyst layers, and alarm is located at the edge top of inside, clean room.
3. the air purifier that is used to administer plant gas according to claim 2 is characterized in that: described uviol lamp is surrounded by quartz glass outward.
4. the air purifier that is used to administer plant gas according to claim 2, it is characterized in that: described photocatalyst layer has 1～6 layer, between per two photocatalyst layers, 1～3 uviol lamp is set, the distance of described uviol lamp and described photochemical catalyst interlayer is 5～50cm, and the distance between described uviol lamp and the uviol lamp is 5～50cm.
5. the air purifier that is used to administer plant gas according to claim 2, it is characterized in that: described photocatalyst layer is titanium dioxide/active carbon fiber photocatalyst layer, the catalyst of described titanium dioxide/active carbon fiber photocatalyst for adopting titanium dichloride load to make at NACF.
6. the air purifier that is used to administer plant gas according to claim 2 is characterized in that: described alarm is an organic pollution flash-point alarm.
7. the air purifier that is used to administer plant gas according to claim 1 is characterized in that: described blower fan comprises blade and motor, and blade is connected with motor, and described blade places in the pipeline, and described motor places the pipeline outside.
8. according to each described air purifier that is used to administer plant gas of claim 1～7, it is characterized in that: described blower fan is the explosion-proof type blower fan.
9. according to each described air purifier that is used to administer plant gas of claim 1～7, it is characterized in that: each interlayer of described photocatalyst layer parallels arrangement, is staggered or presents waveform and arranges, and described NACF is the NACF of handling through hydrophobisation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200610083U CN201445916U (en) | 2009-07-21 | 2009-07-21 | Air purifier for treating factory waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200610083U CN201445916U (en) | 2009-07-21 | 2009-07-21 | Air purifier for treating factory waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201445916U true CN201445916U (en) | 2010-05-05 |
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ID=42550624
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200610083U Expired - Fee Related CN201445916U (en) | 2009-07-21 | 2009-07-21 | Air purifier for treating factory waste gas |
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| CN (1) | CN201445916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144658A (en) * | 2018-02-10 | 2018-06-12 | 湖南正海现代实验室设备有限公司 | A kind of graphene filter administers laboratory hood waste gas system |
| CN110538567A (en) * | 2018-05-29 | 2019-12-06 | 天津工业大学 | Indoor photocatalysis air purifier |
-
2009
- 2009-07-21 CN CN2009200610083U patent/CN201445916U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144658A (en) * | 2018-02-10 | 2018-06-12 | 湖南正海现代实验室设备有限公司 | A kind of graphene filter administers laboratory hood waste gas system |
| CN110538567A (en) * | 2018-05-29 | 2019-12-06 | 天津工业大学 | Indoor photocatalysis air purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20130721 |