CN206950990U - A kind of photo catalysis reactor and equipment for treating industrial waste gas - Google Patents

A kind of photo catalysis reactor and equipment for treating industrial waste gas Download PDF

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Publication number
CN206950990U
CN206950990U CN201720806639.8U CN201720806639U CN206950990U CN 206950990 U CN206950990 U CN 206950990U CN 201720806639 U CN201720806639 U CN 201720806639U CN 206950990 U CN206950990 U CN 206950990U
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photo catalysis
catalysis reactor
gas
composite material
coning
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李宇展
于丽
王朋
王凌珉
王�华
范江峰
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Beijing Titanium Hi Tech Co Ltd
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Beijing Titanium Hi Tech Co Ltd
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Abstract

The utility model discloses a kind of new photo catalysis reactor, including dividing gas coning, optic catalytic composite material, lamp bracket and uviol lamp, described point of gas coning, optic catalytic composite material and lamp bracket are set gradually according to order from the inside to the outside, described point of gas coning is arranged at the center of the photo catalysis reactor, the optic catalytic composite material is the composite coating structure that photochemical catalyst is loaded with substrate, and the uviol lamp is installed on lamp bracket;The air inlet and exhaust outlet of photo catalysis reactor are arranged on the both ends of point gas coning, and the housing of photo catalysis reactor and the space divided between gas coning are gas flow channel.The invention also discloses a kind of equipment for treating industrial waste gas, the equipment for treating industrial waste gas contains photo catalysis reactor.The utility model can dispose a variety of waste gas in industrial waste gas simultaneously, and high treating effect, can reach degradable, while can also remove the peculiar smell in waste gas.

Description

A kind of photo catalysis reactor and equipment for treating industrial waste gas
Technical field
The utility model belongs to industrial organic exhaust gas process field, and in particular to a kind of industrial organic exhaust gas light-catalyzed reaction Device and equipment for treating industrial waste gas.
Background technology
China's environmental problem is very prominent, seriously governs the development and the improvement of people's living standards of national economy, its Middle industrial organic exhaust gas environmental pollution is very serious, and the pollutant has the spies such as big, the wide and difficult degradation of pollution of discharge capacity Point, the contamination control to organic exhaust gas are always the important subject of field of environment protection.
VOCs is the general designation of volatile organic matter, mainly including NMHC (alkane, alkene, alkynes, aromatic hydrocarbon), Oxygen-containing organic compound (the organic compound such as aldehydes, ketone, esters, alcohols, phenols, amine, nitrile (cyanogen) class, wherein industry row High-volume maximum material is triphen class (benzene,toluene,xylene) and halogenated hydrocarbon, and three benezene materials and halogenated hydrocarbons are simultaneously and high The material of toxicity.Industrial organic exhaust gas pollutes, and is related to numerous industries, including petrochemical industry, pharmacy, application, printing and dyeing, pharmacy, The industries such as packaging, printing, electronics, furniture, shoemaking.
Organic exhaust gas species is extremely various, and what is identified at present has kind more than 300, and organic industry waste gas can be to health Damaged with environment, with the NOx in air photochemical reaction occurs for organic exhaust gas under ultraviolet irradiation, produces O3Etc. secondary Pollutant;Meanwhile organic exhaust gas can also form secondary organic aerosol, therefore the serious prestige of VOCs with the particulate matter effect in air Coerce the sustainable development of health and environment.VOCs discharges from the industry such as petrochemical industry, application, printing, due to raw material, The difference of technique, the VOCs Drainage features of these industries are also far from each other, therefore it is all China all the time big that VOCs, which is administered, Emphasis and difficult point in terms of gas prevention and cure of pollution.
Recent years, governments at all levels of China all employ different measures, wherein effect with regard to VOCs pollution control and emission reduction Compare significantly to have Guangzhou, Shanghai City, Chongqing City etc..
Mainly there are Physical, chemical method, bioanalysis for industrial waste gas processing method international and domestic at present, including inhale Attached, direct burning, catalysis burning, chemical oxidation, the processing means such as biofilter, at this stage China currently for organic exhaust gas at Science and engineering skill mainly has:High-temperature combustion method, absorption process, low-temperature plasma catalytic oxidation, absorption method etc..
High-temperature combustion method is using the method for high-temperature heating, organic exhaust gas directly burning is handled, to reach waste gas purification Purpose;Its advantage is purification efficiency height, up to more than 95%;And shortcoming is to need a large amount of heat energy, also easily generate at high temperature NOXEtc. causing secondary pollution.
Exhaust-gas treatment absorption process is contacted with each other using absorbing liquid and waste gas, the harmful substance in waste gas is dissolved in absorbing liquid In, so that waste gas is purified;Its advantage is that investment is small, and operating cost is low, simple to operate;And its shortcoming is treatment effeciency It is low, unstable, purification efficiency is not high, about 50%, it is difficult to reach related environmental requirement, be adapted to low-concentration organic exhaust gas, have Secondary pollution.
Low-temperature plasma catalytic oxidation is a large amount of active electrons, ion, excited state particle and photon in plasma Deng with gas molecule collision, produce free radical O, OH, HO of substantial amounts of strong oxidizing property2The very strong O with oxidisability3;It is organic Thing molecule is collided by high energy electron, is excited and atom key is broken and forms fractionlet group or atom; O·、OH·、 HO2、O3Reacted Deng with excited atom, organic molecule, group, free radical etc., finally organic molecule is degraded to CO2 And H2O;Its advantage is broad applicability, is suitable for handling the pernicious gas of low concentration, and simple to operate;Its shortcoming is independent Lower temperature plasma technology still have when handling pernicious gas its be short of place, such as can not be for a full due harmful gas Body is converted into innocuous gas, and accessory substance is more;And substantial amounts of ozone is produced under oxygen plasma, ozone concentration control is improper, The health problem of people can be caused;Energy consumption is higher;Removal efficiency is more low.
Absorption method is to utilize porous activated carbon, diatomite, the large surface residual energy of anthracite equimolecular level, will be organic Gas molecule is adsorbed onto its surface, so as to purify.Its advantage is that treatment effeciency is high (charcoal absorption is up to more than 99%), is applicable Extensively, simple to operate, investment cost is low, and operating cost is relatively low;And its shortcoming is that system wind pressure loss is big, adsorbent is satisfied It is limited with a difficult grasp, adsorbent capacity;In a manner of the adsorption cleaning based on the sorbing materials such as activated carbon, absorption is further related to Activation process after material adsorption saturation and easily cause secondary pollution problems.
The VOCs compositions that are discharged by different enterprises, concentration, flue-gas temperature etc. larger difference be present and fluctuation range is big, Cause the treatment effect of existing most VOCs treatment technologies and equipment bad, it is difficult to reach the minimum of discharging standards Promoted the use of it is required that limiting.And photocatalysis technology is because with floor space is small, have a wide range of application, operating cost is low, design is thrown Money does not produce the advantages such as secondary pollution less, and turns into potential VOCs treatment technologies.
By taking nano-titania photocatalyst as an example, photocatalyst is set uniformly to be attached to not with the particle of minimum with reference to state-of-the-art technology Commaterial surface, using ultraviolet light as the energy, excite the electronics (e in valence band-) conduction band is transitted to, produced in valence band corresponding empty Cave (h+), generation with extremely strong oxidation superoxide anion and hydroxyl radical free radical, can by formaldehyde, methylamine, benzene, dimethylbenzene, The oxidation Decompositions such as the harmful organic substances such as TVOC, pollutant, foul smell are into harmless CO2And H2O, reach purification air, decomposition is harmful to The purpose of organic matter.
Photochemical catalyst has the function that eliminates the unusual smell, and photochemical catalyst discharges free radical always under light illumination, comprehensive so as to realize Eliminate the unusual smell;Photochemical catalyst screen pack can be to stink substance oxidation Decomposition, and itself does not change, and has long period of activity.Generally Photocatalysis when industrial organic exhaust gas is degraded and applied, is supported on titanium dioxide optical catalyst in certain substrate.Load to The photocatalysis performance of photochemical catalyst in substrate is also relevant with mass transfer except in addition to by photochemical catalyst characteristic in itself, because light is urged Change reaction to occur on gas-solid interface.Although the ratio table of the species of gas reactant, concentration, temperature, humidity, photochemical catalyst Area etc. can influence light-catalyzed reaction efficiency, but the specific surface area and the mass transport process in system reacted are also especially heavy Want.Therefore, for effectively for the photocatalysis of industrial waste gas, the design of reactor is vital.
Under normal circumstances, decomposing organic matter, deodorization are the main application aspects of photochemical catalyst.Many R&D institutions and high-tech Skill company has been working hard to the research and development of high efficiency photocatalysis industrial waste gas purifying.Light catalytic purifying industrial waste gas has following several Form.Board-like light-catalyzed reaction is that ultraviolet light is shone directly on photocatalytic plate, although the bottleneck of this kind of light-catalyzed reaction is With larger convective mass transfer efficiency and reaction rate, but it is smaller to react specific surface area so that the result of light-catalyzed reaction It is poor;For the photo catalysis reactor using cellular catalysis material, UV lamp is placed on two parallel to honeycomb ceramics Side, result are that the photo catalysis reactor of the type has low reaction efficiency, even if the specific surface area of catalysis material and to spreading Matter is big.Even someone goes to improve photocatalytic degradation efficiency when designing cellular reactor using the design of zigzag.With Upper several situations are not ideal.
Utility model content
A purpose of the present utility model is the degradation efficiency for improving light-catalyzed reaction in actual industrial organic exhaust gas, is This utility model provides a kind of new photo catalysis reactor.
Therefore, the utility model provides a kind of reactor for possessing high-specific surface area, it possesses, and support is smaller to lead to Road and low speed air flow, and a large amount of mass transfers can be realized, and UV light sources are directly energized on reaction surface.
Photo catalysis reactor provided by the utility model for VOCs treatment includes dividing gas coning, photocatalysis composite wood Material, lamp bracket and uviol lamp, described to divide gas coning, optic catalytic composite material and lamp bracket to be set gradually according to order from the inside to the outside, institute The center that point gas coning is arranged at the photo catalysis reactor is stated, the optic catalytic composite material is to be loaded with photochemical catalyst in substrate Composite coating structure, the mounting hole of uviol lamp is provided with the lamp bracket;
The air inlet and exhaust outlet of photo catalysis reactor are arranged on the both ends of point gas coning, the housing of photo catalysis reactor and point Space between gas coning is gas flow channel.
As a kind of preferably selection of above-mentioned photo catalysis reactor, the two for dividing gas coning is in circular cone, round platform or water chestnut taper, in Between be cylindric.
As a kind of preferably selection of above-mentioned photo catalysis reactor, it is described divide the inwall of gas coning and optic catalytic composite material away from From between 0.5-5.0cm.
As a kind of preferably selection of above-mentioned photo catalysis reactor, the lamp bracket is arranged on the outer of optic catalytic composite material Side, it is the distance between with catalysis material between 3.0-10.0cm.
As a kind of preferably selection of above-mentioned photo catalysis reactor, the uviol lamp is 254nm uviol lamp, and uviol lamp is put down Row is arranged on lamp bracket, and vertical with the lamp bracket of fixed uviol lamp.
In one embodiment of the present utility model, photo catalysis reactor includes dividing gas coning, optic catalytic composite material, lamp bracket And shell.Point gas coning is photochemical catalyst and the composite of substrate in the bosom of reactor, its outer layer, divides gas coning and photocatalysis The inwall distance of composite can be adjusted between 0.5-5.0cm according to concrete conditions such as air quantity, wind speed.In light Centrally disposed point of gas coning of catalytic composite materials, it is therefore intended that the organic exhaust gas made into reactor is dispersed in photocatalysis and answered The surface of condensation material, is fully contacted with photochemical catalyst, improves degradation efficiency of the photochemical catalyst to organic gas, and effectively avoided Various pieces of the machine gas diffusion to cavity so that organic gas can not fully contact because diffusion length is short with photochemical catalyst, The utilization rate of photochemical catalyst caused hydroxyl radical free radical and superoxide anion under illumination condition is low.Lamp bracket is arranged on photocatalysis and answered The outside of condensation material, the distance between with optic catalytic composite material between 3.0-10.0cm, the small circular in lamp bracket is solid for it Determine the dop of uviol lamp.According to actual conditions, different length, different capacity, the uviol lamp of varying number can be set on lamp bracket. The uviol lamp that the utility model uses is 254nm uviol lamp, it is generally the case that uviol lamp is set in parallel on lamp bracket, and with The lamp bracket of fixed uviol lamp is vertical.It is the shell of reactor in the outermost of profile, the material of shell can be stainless steel, aluminium Plate, galvanized sheet etc..In order to further improve light-catalyzed reaction, so that photochemical catalyst can be coated on the inwall of shell.
In device of the present utility model, the center for dividing gas coning to be in reactor, two for dividing gas coning is in circular cone Shape and it is middle to be cylindric, such purpose is to make the organic industry waste gas into reactor, is entered along the outer wall of gas coning is divided Into reactor, rather than in the cavity of whole reactor, air inlet is set to turn into a kind of directive flowing.Air inlet and exhaust Mouth makes to control flow direction of the gas in reactor well respectively at the both ends for dividing gas coning.
Structure of reactor of the present utility model both make use of the effective ratio area of photochemical catalyst, improve mass transfer effect again Rate, light-catalyzed reaction is set to efficiently take place on gas-solid interface;While the optic catalytic composite material that the utility model uses is By on photocatalyst to nickel foam or on foam copper, glass mat and other flexible material matrixes, These materials have the characteristics of specific surface area is big, can significantly increase the efficiency of photocatalytic degradation organic gas;The utility model The photo catalysis reactor of design both can be used alone degraded industrial organic exhaust gas, can also combine with other exhaust-gas treatment means makes With, such as absorption method, absorption process, UV photodissociation method and low temperature plasma etc., it is simple in construction, it is relatively easy dismounting and assembling.
The utility model can use the disclosed photochemical catalyst and light for VOCs treatment of prior art Catalytic composite materials, specific material may refer to CN105457487A, CN105381673A, CN204973587U, The photochemical catalyst used in CN105169927A and its optic catalytic composite material selected.
Photo catalysis reactor of the present utility model is a kind of efficient photocatalytic degradation module, and it can efficiently handle more Kind industrial organic exhaust gas, it can both handle the industrial waste gas of higher concentration, the industrial waste gas of low concentration in can also handling.Therewith It is preceding it is conventional it is board-like, in a zigzag, cellular photo catalysis reactor compare, there is effective photocatalysis specific surface area and big biography Matter speed.Under normal circumstances, industrial organic exhaust gas processing system is used in conjunction using the compound of a variety of degradation techniques, both can be more One or more and the photo catalysis reactor of kind for the treatment of technology is used in combination or single photo catalysis reactor It is applied in combination or the exclusive use of a photocatalysis module.Photocatalysis module both can be cylindrical shape in the utility model, also may be used To be square, the other modules being mutually used in conjunction with it can be any form, as long as Interface Matching.
The utility model can use the housing of tubular and the photo catalysis reactor of tubular, those skilled in the art also may be used To select the housing of other shapes and photo catalysis reactor as needed.
Also enter as above-mentioned photo catalysis reactor a kind of preferably selection, the photo catalysis reactor including a vapor Mouthful, the vapor import is arranged at the front end of air inlet.By during photo catalysis reactor degradation organic waste gas, it is necessary to adjust and Control the humidity of organic exhaust gas.Water is light-catalyzed reaction essential condition, is had a great impact to photocatalytic degradation.Except Improve outside mass-transfer efficiency, control the key that humidity is organic exhaust gas degraded.Under normal circumstances, as the increase of humidity, light are urged Change reaction rate increase, but when humidity continues increase, light-catalyzed reaction speed reduces on the contrary, i.e., humidity is to light-catalyzed reaction The existing optimum range of influence.Because under conditions of having aqueous vapor, titanium dioxide surface has a hydroxyl generation, and hydrogen-oxygen Root can capture photo-induced hole and produce hydroxyl radical free radical, and organic pollution is directly decomposed.Therefore with the increase of humidity, gas In water can be used for supplementing the hydroxyl of titanium dioxide surface, generate enough hydroxyl radical free radicals, promote light-catalyzed reaction. But the hydroxyl of titanium dioxide surface excess also can pass through covalent bond and hydrogen bond knot with water molecule reaction and organic pollution Close, so as to cause hydrone with organic matter in the competitive Adsorption of catalyst surface, obstruction light-catalyzed reaction.Enter in organic exhaust gas One vapor import is set before reactor, the humidity of organic exhaust gas can be increased to improve photocatalysis efficiency.The size of humidity should The concrete conditions such as species, concentration, temperature according to organic exhaust gas and be adjusted.
As a kind of preferably selection of above-mentioned photo catalysis reactor, the photochemical catalyst is titanium dioxide, and the substrate is Nickel foam, foam copper, glass mat or glass fabric.
There is netted structure as above-mentioned photo catalysis reactor a kind of preferably selection, the substrate.
The utility model can use nano titanium dioxide photocatalyst as raw material, with reference to exclusive utility model technology Photochemical catalyst is uniformly attached to maximum specific surface area in substrate, substrate be probably nickel foam, foam copper, glass mat, Glass fabric etc., using uviol lamp as light source, excite the electronics (e in valence band-) conduction band is transitted to, produced in valence band corresponding Hole (h+), superoxide anion and hydroxyl radical free radical of the generation with extremely strong oxidation, by industrial organic exhaust gas oxidation Decomposition Into harmless CO2And H2O, reach the purpose of purifying industrial organic waste gas;Photochemical catalyst has the function of sterilization simultaneously, can be by respectively Kind bacterium kills;Photochemical catalyst screen pack energy oxidation Decomposition industrial organic exhaust gas, itself does not change, and has long period of activity.
The invention also discloses the equipment for treating industrial waste gas containing the photo catalysis reactor, and it contains foregoing light Catalytic reactor.
The utility model has following beneficial effect:
Firstth, the industrial organic exhaust gas photo catalysis reactor can be used alone, and it is net can also to combine other industrial waste gases Change technology:Such as charcoal absorption, liquid absorption method, UV photodissociation, cryogenic plasma oxidation processing Combination of Methods use, will A variety of waste gas in industrial waste gas are disposed simultaneously, and high treating effect, can reach it is degradable, while also can be by waste gas Peculiar smell remove;
Secondth, the industrial organic exhaust gas photo catalysis reactor can use the combination purification module of multi-set parallel, can be step by step By industrial organic waste-gas purification;The utility model can use the photocatalysis of nickel foam, glass mat or other flexible substrates to answer Condensation material.In the utility model, divide gas coning structure due to having used, industrial organic exhaust gas can be made along optic catalytic composite material Advance, can farthest utilize the surface area of catalysis material.
3rd, the industrial organic exhaust gas photo catalysis reactor can use the cleanup form of multi-set parallel, simple in construction, both side Just dismounting and change, quantity, power and the disposal ability of photochemical catalytic oxidation module can be adjusted according to specific application environment again.
Brief description of the drawings
Fig. 1 is the top view of organic exhaust gas photo catalysis reactor;
Fig. 2 is the profile of organic exhaust gas photo catalysis reactor;
Accompanying drawing identifies:
1st, gas coning is divided;2nd, optic catalytic composite material;3rd, lamp bracket;4th, shell.
Embodiment
Specific embodiment of the utility model is the following is, it is used only as illustrating rather than limitation to of the present utility model.
A kind of top view of industrial organic exhaust gas photo catalysis reactor is shown in Fig. 1, and the section is vertical with airintake direction in 90 °. From figure 1 it appears that the internal structure of the photo catalysis reactor is respectively:Divide gas coning 1, optic catalytic composite material is (in substrate It is loaded with the composite coating structure of photochemical catalyst) 2, lamp bracket 3, shell 4.
Described point of gas coning is arranged on the bosom of reactor, and its outer layer is optic catalytic composite material, divides gas coning and photocatalysis The inwall distance of composite can be adjusted between 0.5-5.0cm according to concrete conditions such as air quantity, wind speed.Urged in light Change centrally disposed point of gas coning of composite, it is therefore intended that it is compound that the organic exhaust gas made into reactor is dispersed in photocatalysis The surface of material, is fully contacted with photochemical catalyst, improves degradation efficiency of the photochemical catalyst to organic gas;Rather than organic gas It is diffused into the various pieces of cavity so that organic gas can not fully contact with photochemical catalyst, and photochemical catalyst is under illumination condition The utilization rate of caused hydroxyl radical free radical and superoxide anion is low, because its diffusion length is especially short.
The lamp bracket is arranged on the outside of optic catalytic composite material, and the distance between it is with catalysis material in 3.0- Between 10.0cm, the small circular in lamp bracket is the dop of fixed uviol lamp.According to actual conditions, different length can be set on lamp bracket Degree, different capacity, the uviol lamp of varying number.The uviol lamp that the utility model uses be 254nm uviol lamp, normal conditions Under, uviol lamp is set in parallel on lamp bracket, and vertical with the lamp bracket of fixed uviol lamp.It is reactor in the outermost of profile Shell, the material of shell can be stainless steel, aluminium sheet, galvanized sheet etc..In order to further improve light-catalyzed reaction, with can be outside Photochemical catalyst is coated on the inwall of shell.
The sectional view of industrial organic exhaust gas photo catalysis reactor is shown in Fig. 2.Described point of gas coning is in the center of reactor, The two for dividing gas coning is in circular cone, round platform or water chestnut taper and centre is cylindric, and such purpose is made into the organic of reactor Industrial waste gas, along dividing the outer wall of gas coning to enter in reactor, rather than in the cavity of whole reactor, air inlet is set to turn into one The directive flowing of kind.Air inlet and exhaust outlet control gas in reactor well respectively at the both ends for dividing gas coning Flow direction.
By photo catalysis reactor degradation organic waste gas, it is necessary to adjust and control the humidity of organic exhaust gas.Water is photocatalysis Essential condition is reacted, is had a great impact to photocatalytic degradation.In addition to improving mass-transfer efficiency, it is to have to control humidity The key of machine exhaust gas decomposition.Under normal circumstances, as the increase of humidity, light-catalyzed reaction speed increase, but when humidity continues to increase Added-time, light-catalyzed reaction speed reduce on the contrary, i.e. the existing optimum range of influence of the humidity to light-catalyzed reaction.Because Under conditions of having aqueous vapor, titanium dioxide surface has hydroxyl generation, and hydroxyl can capture photo-induced hole and produce hydroxyl certainly By base, organic pollution is directly decomposed.Therefore with the increase of humidity, the water in gas can be used for supplementing titanium dioxide table The hydroxyl in face, enough hydroxyl radical free radicals are generated, promote light-catalyzed reaction.But the hydrogen-oxygen that titanium dioxide surface is excessive Root also can be with water molecule reaction and organic pollution by covalent bond and Hydrogenbond, so as to cause hydrone being urged with organic matter The competitive Adsorption on agent surface, hinder light-catalyzed reaction.So in the utility model, have one before organic exhaust gas enters reactor Individual vapor import, increase the humidity of organic exhaust gas to improve photocatalysis efficiency.The size of humidity should be according to the kind of organic exhaust gas The concrete conditions such as class, concentration, temperature and be adjusted.
The utility model is used using nano titanium oxide as photochemical catalyst, makes photocatalysis uniformly attached with maximum specific surface area In substrate, substrate can be nickel foam, foam copper, glass mat, glass fabric etc., using uviol lamp as light source, swash Make an offer the electronics (e taken-) conduction band is transitted to, corresponding hole (h is produced in valence band+), generation has extremely strong oxidation Superoxide anion and hydroxyl free radical, by industrial organic exhaust gas oxidation Decomposition into harmless CO2And H2O, reaching purified industrial has The purpose of machine waste gas;Photochemical catalyst has the function of sterilization simultaneously, can kill various bacteriums;Photochemical catalyst screen pack can aoxidize Industrial organic exhaust gas is decomposed, oneself does not change, and has long period of activity.
The industrial organic exhaust gas photo catalysis reactor can be used alone, and can also combine other industrial waste gas purifying skills Art:Such as charcoal absorption, liquid absorption method, UV photodissociation, cryogenic plasma oxidation processing Combination of Methods use, Jin Erti For a kind of industrial organic exhaust gas processing unit.The industrial organic exhaust gas photo catalysis reactor can use the combination purification of multi-set parallel Module, and the optic catalytic composite material of nickel foam, glass mat or other flexible substrates can be used.The industrial organic exhaust gas light Catalytic reactor can also use the cleanup form of multi-set parallel.
It should be noted last that above example is only illustrating the technical solution of the utility model and unrestricted.To the greatest extent The utility model is described in detail with reference to embodiment for pipe, it will be understood by those within the art that, to this practicality New technical scheme is modified or equivalent substitution, without departure from the spirit and scope of technical solutions of the utility model, its It all should cover among right of the present utility model.

Claims (8)

1. a kind of photo catalysis reactor, including divide gas coning, optic catalytic composite material, lamp bracket and uviol lamp, it is characterised in that:
Described point of gas coning, optic catalytic composite material and lamp bracket are set gradually according to order from the inside to the outside, described to divide gas coning to set In the center of the photo catalysis reactor, the optic catalytic composite material is the composite coating knot that photochemical catalyst is loaded with substrate Structure, the uviol lamp are installed on lamp bracket;
The air inlet and exhaust outlet of photo catalysis reactor are arranged on the both ends of point gas coning, the housing of photo catalysis reactor and divide gas coning Between space be gas flow channel.
2. photo catalysis reactor according to claim 1, it is characterised in that:The two for dividing gas coning is in circular cone, round platform or water chestnut Taper, centre are cylindric.
3. photo catalysis reactor according to claim 1, it is characterised in that:Described point of gas coning and optic catalytic composite material Inwall distance is between 0.5-5.0cm.
4. photo catalysis reactor according to claim 1, it is characterised in that:The lamp bracket is arranged on optic catalytic composite material Outside, it is the distance between with optic catalytic composite material between 3.0-10.0cm.
5. photo catalysis reactor according to claim 1, it is characterised in that:The uviol lamp is 254nm uviol lamp, purple Outer lamp is set in parallel on lamp bracket, and vertical with the lamp bracket of fixed uviol lamp.
6. photo catalysis reactor according to claim 1, it is characterised in that:Photocatalysis in the optic catalytic composite material Agent is titanium dioxide, and the substrate is nickel foam, foam copper, glass mat or glass fabric.
7. photo catalysis reactor according to claim 1, it is characterised in that:The photo catalysis reactor also includes a water and steamed Gas import, the vapor import are arranged at the front end of air inlet.
8. a kind of equipment for treating industrial waste gas, it is characterised in that it is any that the equipment for treating industrial waste gas contains claim 1-7 Described photo catalysis reactor.
CN201720806639.8U 2017-07-05 2017-07-05 A kind of photo catalysis reactor and equipment for treating industrial waste gas Active CN206950990U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110193330A (en) * 2019-05-07 2019-09-03 华南农业大学 A kind of photocatalysis ethylene reaction device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110193330A (en) * 2019-05-07 2019-09-03 华南农业大学 A kind of photocatalysis ethylene reaction device

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