CN209865770U - Vertical multi-layer combined UV photolysis oxidation circulation organic waste gas treatment system - Google Patents
Vertical multi-layer combined UV photolysis oxidation circulation organic waste gas treatment system Download PDFInfo
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- CN209865770U CN209865770U CN201920542479.XU CN201920542479U CN209865770U CN 209865770 U CN209865770 U CN 209865770U CN 201920542479 U CN201920542479 U CN 201920542479U CN 209865770 U CN209865770 U CN 209865770U
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Abstract
The utility model provides a vertical multilayer combination UV photodissociation oxidation cycle organic waste gas treatment system belongs to the environmental protection technology field. A modularized vertical multi-layer combined integrated structure is adopted, and water generated in the waste gas treatment process is eliminated in time; aiming at different characteristics of UV-C and UV-D on the photolysis mechanism of harmful components and the ozone generation mechanism, reasonable optimization layout and configuration are carried out, and waste gas circulation treatment is carried out. The intelligent measurement and control device reduces the operation number of the UV lamp tube groups as much as possible on the premise of ensuring the waste gas treatment speed; high-temperature heating is adopted to thoroughly eliminate residual ozone. The processing speed, the efficiency and the effect of the system are effectively improved, the maintenance workload and the operation cost are greatly reduced, and the service life of the whole system is prolonged. Meanwhile, the device has the advantages of simple structure, lower cost, convenient production and installation, small occupied area, reliable operation, convenient maintenance and the like. Can be widely applied to the occasions of organic waste gas purification treatment, and effectively improves the environmental protection effect.
Description
Technical Field
The utility model relates to an organic waste gas treatment system, especially an adopt vertical multilayer combination integral structure, multicycle processing mode, adopt dual-waveband UV, utilize nanometer catalysis to carry out intelligent automatic control's photodissociation oxidation organic waste gas treatment system to waste gas. Belongs to the technical field of environmental protection.
Background
At present, in the waste gas treatment, especially in the organic waste gas treatment, the UV photolysis oxidation technology belongs to a relatively mature and common technology. However, there are many problems that the efficiency is decreased or failed due to the fact that organic substances easily stick to the UV lamp tube set after long-time operation, the UV lamp tube set is easily failed due to short filter life by using activated carbon, ozone generated by the UV lamp tube set is directly discharged without sufficient reaction to cause secondary pollution, the waste gas treatment is incomplete due to the single-line process, and the treatment efficiency and effect of the waste gas are difficult to control. Therefore, the waste gas treatment system adopting the UV photolysis oxidation technology has the defects of low efficiency, poor effect, large maintenance workload, high operation cost, short service life and the like.
In the prior art, a circulation process is adopted for treatment, for example, a Chinese patent 'a photo-oxidation catalytic waste gas treatment device (application number: 201611023003.2)' and a Chinese patent 'an ozone photolysis desorption active carbon waste gas purification device (application number: 201710871765.3)' and the like, but the problems of automatic control and balance of circulation air volume and intake air volume are not considered, and the change and final elimination of ozone content are not considered, so that an ideal waste gas treatment effect is difficult to achieve.
In the existing technology for photolysis oxidation by adopting a dual-band UV lamp tube, reasonable optimization layout is not carried out according to different characteristics of UV-C and UV-D on a photolysis action mechanism of harmful components and an ozone generation mechanism, the change of waste gas treatment capacity and components thereof is fully considered, balance planning is carried out on ozone generation and consumption, corresponding intelligent automatic control is realized, and effective control measures are not taken for prolonging the service life of the UV lamp tube.
The existing UV photolysis oxidation waste gas treatment device is generally of a horizontal structure, is sequentially installed along the horizontal direction, and occupies a large area; or the single-layer vertical structure is adopted, the treatment stroke of waste gas is short, and the treatment effect is influenced. In addition, in the photolysis and oxidation process of the organic waste gas, a certain amount of water can be generated and exists in a condensation state and a water vapor form, and the water is discharged in an untimely way, so that the subsequent adsorption, photolysis and oxidation efficiency and effect can be influenced, and the problems of tube pasting of the UV lamp tube, even the service life influence and the like can be caused.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide a vertical multilayer combined UV photolysis oxidation circulation organic waste gas treatment system, which solves a series of problems such as organic waste gas pipe pasting, activated carbon failure, ozone residue elimination, intelligent automatic control of the treatment efficiency and effect of waste gas and the like; the modularized design is adopted, a vertical multilayer combined integrated structure is formed, water generated in the waste gas treatment process can be eliminated in time, the treatment speed, the treatment efficiency and the treatment effect of the system are effectively improved, the maintenance workload and the operation cost are greatly reduced, and the service lives of the UV lamp tube and the whole system are prolonged. Meanwhile, the device has the advantages of simple structure, lower cost, convenient production and installation, small occupied area, reliable operation, convenient maintenance and the like.
The utility model provides a technical scheme that its technical problem adopted is:
vertical multilayer combination UV photodissociation oxidation cycle organic waste gas processing system, including pre-treatment chamber (1), mixed oxidation room (2), photodissociation oxidation room (3), catalysis photodissociation oxidation room (4), circulation photodissociation oxidation room (5), perpendicular connecting channel (6), circulating channel (7), filter screen (8), activated carbon filter (9), UV-D banks (10), UV-C banks (11), exhaust fan (12), circulating fan (13), electricity distribution room (14), cabinet body (15).
The photolysis oxidation chambers (3) are a plurality of, and the pretreatment chamber (1), the mixed oxidation chamber (2), the photolysis oxidation chambers (3) and the catalytic photolysis oxidation chamber (4) are sequentially communicated end to end.
The pretreatment chamber (1), the mixed oxidation chamber (2), the multiple photolysis oxidation chambers (3), the catalytic photolysis oxidation chamber (4) and the circulating photolysis oxidation chamber (5) are arranged in an upper-lower multilayer structure, and two sides of the upper-lower adjacent layers are respectively communicated through a vertical connecting channel (6).
The air inlet side of the circulating photolysis oxidation chamber (5) is communicated with the air outlet side of the last photolysis oxidation chamber (3) through a vertical connecting channel (6), and the air outlet side of the circulating photolysis oxidation chamber (5) is communicated with the air inlet side of the mixed oxidation chamber (2) through a circulating channel (7).
A filter screen (8) is arranged in the pretreatment chamber (1), and an activated carbon filter (9) is arranged on the inlet side of the first photolysis oxidation chamber (3) communicated with the mixed oxidation chamber (2).
The UV-D lamp tube group (10) and the UV-C lamp tube group (11) are arranged inside the multiple groups of photolysis oxidation chambers (3), the UV-C lamp tube group (11) is arranged inside the catalytic photolysis oxidation chamber (4), and the UV-D lamp tube group (10) is arranged inside the circulating photolysis oxidation chamber (5).
The exhaust fan (12) is positioned at the outlet side of the catalytic photolysis oxidation chamber (4) and maintains the inside of the air duct of the whole system in a negative pressure state.
The circulating fan (13) is positioned between the circulating photolysis oxidation chamber (5) and the mixed oxidation chamber (2) and sends the gas in the circulating photolysis oxidation chamber (5) into the mixed oxidation chamber (2).
The pretreatment chamber (1), the mixed oxidation chamber (2), the photolysis oxidation chamber (3), the catalytic photolysis oxidation chamber (4) and the circulating photolysis oxidation chamber (5) adopt the same overall dimension and the same interface modular structure, and are packaged in the cabinet body (15) together with the vertical connecting channel (6), the circulating channel (7) and the distribution chamber (14) to form a vertical multi-layer combined integrated structure, and the distribution chamber (14) supplies power for each component of the system.
Furthermore, the filter screen (8), the activated carbon filter (9), the UV-D lamp tube group (10) and the UV-C lamp tube group (11) are all drawer type structures.
Furthermore, in the upper and lower multilayer structure, the lowest layer is a pretreatment chamber (1) and a mixed oxidation chamber (2).
Further, a sewage discharge pipeline (16) is included, and the bottom of the pretreatment chamber (1) is communicated with the sewage discharge pipeline (16); a filter screen (8) is arranged at the inlet of each vertical connecting channel (6), and the bottom of each vertical connecting channel is communicated with a sewage discharge pipeline (16).
Further comprises a plurality of baffles (17) which are arranged inside the mixed oxidation chamber (2) in a staggered way.
Further, the device comprises a nano TiO2 net (18) which is arranged inside the catalytic photolysis oxidation chamber (4) and is matched with the UV-C lamp tube group (11).
Further, the device comprises a high-temperature heating chamber (19) which is communicated with the catalytic photolysis oxidation chamber (4) through an exhaust fan (12), and the waste gas is discharged after being subjected to high-temperature treatment through the high-temperature heating chamber (19).
Further, the system comprises a gas component sensor (20), a pressure sensor (21) and an intelligent measurement and control device (22);
the gas component sensor (20) is installed at the outlet position of the catalytic photolysis oxidation chamber (4), collects the content of harmful components and the content of ozone in waste gas in real time, and sends the content of harmful components and the content of ozone to the intelligent measurement and control device (22) for real-time monitoring and analysis.
And setting a reasonable ozone content threshold value in the intelligent measurement and control device (22), gradually closing and reducing the operation number of the UV-D lamp tube groups (10) in the plurality of photolysis oxidation chambers (3) when the ozone content is higher, and conversely, gradually opening and increasing the operation number of the UV-D lamp tube groups (10) in the plurality of photolysis oxidation chambers (3).
And setting a reasonable threshold value of harmful component content in the intelligent measurement and control device (22), gradually closing and reducing the running number of UV-C lamp tube groups (11) in the plurality of photolysis oxidation chambers (3), increasing the rotating speed of the exhaust fan (12) and reducing the rotating speed of the circulating fan (13) when the harmful component content is low, and on the contrary, gradually opening and increasing the running number of the UV-C lamp tube groups (11) in the plurality of photolysis oxidation chambers (3), reducing the rotating speed of the exhaust fan (12) and increasing the rotating speed of the circulating fan (13).
The principle of the automatic real-time control of the intelligent measurement and control device (22) is to reduce the running number of the UV-D lamp tube groups (10) and the UV-C lamp tube groups (11) as much as possible on the premise of ensuring the required waste gas treatment speed, equalize the running time of the plurality of UV-D lamp tube groups (10) and the plurality of UV-C lamp tube groups (11), and keep the content of harmful components and the content of ozone in the discharged waste gas within a reasonable threshold range.
Pressure sensor (21) are installed in mixed oxidation chamber (2), gather mixed oxidation chamber (2) internal pressure in real time, give intelligent measurement and control device (22), and automatic control exhaust fan (12) and circulating fan (13) rotational speed maintain mixed oxidation chamber (2) inside be the negative pressure state.
Compared with the prior art, the utility model has the advantages of as follows:
1. the mixed oxidation chamber, the multiple photolysis oxidation chambers and the circulating photolysis oxidation chamber are adopted to realize a circulating treatment process, and the catalytic photolysis oxidation chamber is used for final treatment before discharge, so that the treatment efficiency and effect of the system are effectively improved; meanwhile, aiming at different characteristics of UV-C and UV-D on a photolysis action mechanism of harmful components and an ozone generation mechanism, the UV-C lamp tube group and the UV-D lamp tube group are distributed in each treatment chamber in a reasonable and optimized layout, and the processes of generating and consuming ozone are planned in the whole waste gas treatment process, so that the ozone is fully utilized and can be completely eliminated at the last stage, and the problem of secondary pollution caused by direct discharge of the ozone generated by the UV lamp tube group without full reaction is solved. Meanwhile, the device has the advantages of simple structure, lower cost, reliable operation, convenient maintenance and the like.
2. The pretreatment chamber, the mixed oxidation chamber, the multiple photolysis oxidation chambers, the catalytic photolysis oxidation chamber, the circulating photolysis oxidation chamber and the high-temperature heating chamber are of modular structures with the same overall dimension and interfaces, and are packaged in the cabinet body together with the vertical connecting channel, the circulating channel and the distribution chamber to form a vertical multilayer combined integrated structure, the number of layers and the number of the photolysis oxidation chambers can be adjusted according to needs, the system capacity is conveniently adjusted, and the treatment efficiency and the treatment effect are optimized and improved; and the filter screen, the activated carbon filter, the UV-D lamp tube group and the UV-C lamp tube group are drawer type structures, so that the installation, the maintenance, the replacement, the cleaning and the like are convenient, and the device also has the advantages of convenience in production and installation, small occupied area, convenience in maintenance and repair, low operation cost and the like.
3. The layered configuration of a plurality of treatment chambers and the cooperation of the filter screen installed in the vertical connecting channel and the vertical connecting channel are favorable for water-gas separation, can effectively eliminate water vapor and condensed water generated in each section in the treatment process, improve the adsorption, photolysis and oxidation efficiency and effect of the whole system, eliminate the phenomenon of tube pasting of the UV lamp tube and prolong the service life.
4. Waste gas which just enters is pretreated by the pretreatment chamber, after solid particles and water vapor are eliminated, the waste gas enters the mixed oxidation chamber, is fully mixed with circulating waste gas rich in ozone for oxidation and decomposition under the action of a baffle plate, and then is filtered by active carbon, so that most large particles in the organic waste gas are contacted with the UV-D lamp tube group and the UV-C lamp tube group after being decomposed or adsorbed, the problem of paste tube failure is effectively solved, the photolysis efficiency and the system efficiency are improved, the maintenance workload and the operation cost are greatly reduced, and the service life of the UV lamp tube group is prolonged; meanwhile, the adsorption working pressure of the activated carbon is greatly reduced, and the service life of the activated carbon is effectively prolonged.
5. The design of the system flow ensures that the waste gas passing through the activated carbon filter contains ozone, and the activated carbon is continuously purified and regenerated in a circulating way, so that the maintenance frequency of the activated carbon filter is greatly reduced, the adsorption and photolysis oxidation effects are effectively improved, the maintenance workload and the operation cost are greatly reduced, and the service life is prolonged.
6. The intelligent monitoring system has the advantages that the gas component sensor is adopted to collect the content of harmful components and the content of ozone in waste gas in real time, the intelligent monitoring device is used for automatically controlling, the operation quantity of the UV-D lamp tube group and the UV-C lamp tube group is reduced as much as possible on the premise of ensuring the required waste gas treatment speed, and the content of the harmful components and the content of ozone in the discharged waste gas are kept within a reasonable threshold range. The treatment speed, efficiency and effect of the system are effectively improved, the problem of secondary pollution caused by overhigh ozone content is solved, the running time of each UV lamp tube group can be balanced as much as possible, and the service lives of the UV-D lamp tube group and the UV-C lamp tube group are effectively prolonged.
7. The rotating speeds of the exhaust fan and the circulating fan are automatically controlled by combining the pressure sensor with the intelligent measurement and control device, the inside of the whole system is maintained in a negative pressure state, and the leakage of harmful gas and ozone is prevented.
8. The high-temperature heating chamber is adopted to heat the gas treated by the catalytic photolysis oxidation chamber at high temperature, so that the ozone decomposition is accelerated, and the ozone residue is effectively eliminated.
Drawings
FIG. 1: the system structure is schematic.
In the figure: 1-a pretreatment chamber, 2-a mixed oxidation chamber, 3-a photolysis oxidation chamber, 4-a catalytic photolysis oxidation chamber, 5-a circulating photolysis oxidation chamber, 6-a vertical connecting channel, 7-a circulating channel, 8-a filter screen, 9-an active carbon filter, 10-UV-D lamp tube group, 11-UV-C lamp tube group, 12-an exhaust fan, 13-a circulating fan, 14-a distribution chamber, 15-a cabinet body, 16-a sewage discharge pipeline, 17-a baffle plate, 18-a nanometer TiO2 net, 19-a high-temperature heating chamber, 20-a gas composition sensor, 21-a pressure sensor and 22-an intelligent measurement and control device.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1, the system structure schematic diagram is shown, the vertical multi-layer combined UV photolysis oxidation circulation organic waste gas treatment system comprises a pretreatment chamber (1), a mixed oxidation chamber (2), a photolysis oxidation chamber (3), a catalytic photolysis oxidation chamber (4), a circulation photolysis oxidation chamber (5), a vertical connecting channel (6), a circulation channel (7), a filter screen (8), an activated carbon filter (9), a UV-D lamp tube group (10), a UV-C lamp tube group (11), an exhaust fan (12), a circulation fan (13), a power distribution chamber (14), a cabinet body (15), a sewage discharge pipeline (16), a baffle plate (17), a nano TiO2 net (18), a high-temperature heating chamber (19), a gas component sensor (20), a pressure sensor (21) and an intelligent measurement and control device (22).
In fig. 1, the organic waste gas to be purified, which generally contains a part of solid particles and water vapor, is first introduced into a pretreatment chamber (1) for pretreatment. The filter screen (8) adopts a stainless steel metal filter screen, most of solid particles in the organic waste gas are adhered to the filter screen (8), water vapor is condensed when encountering the filter screen (8), and the condensed water carrying the solid particles is discharged through the sewage discharge pipeline (16) under the action of gravity, so that the pressure of the subsequent photolysis oxidation treatment process is effectively reduced, the pollution to the UV-D lamp tube group (10) and the UV-C lamp tube group (11) is reduced, the system efficiency is improved, and the service life is prolonged.
In the figure 1, the filtered waste gas enters the mixed oxidation chamber (2), is fully mixed and oxidized with the ozone-rich gas from the circulating photolysis oxidation chamber (5) under the action of the baffle plate (17), enters the vertical connecting channel (6) and is filtered by the filter screen (8). The pretreatment chamber (1) and the mixed oxidation chamber (2) are positioned on the first layer and are communicated with the first photolysis oxidation chamber (3) through a vertical connecting channel (6), so that the vertical connecting channel (6) at the moment has the function similar to a gas-liquid separator and is beneficial to the separation of water and waste gas; the newly generated water in the oxidation process is not easy to rise, and enters a sewage discharge pipeline (16) from the bottom of the vertical connecting channel (6), and the waste gas rises to enter the first photolysis oxidation chamber (3) and is adsorbed by the activated carbon filter (7) and then is subjected to photolysis oxidation treatment by the UV-D lamp tube group (10) and the UV-C lamp tube group (11). The waste gas contains ozone, and the active carbon filter (7) can be continuously cleaned, activated and regenerated.
In fig. 1, the photolysis oxidation chambers (3) are located at the second layer and the third layer, 2 are installed on each layer, and 4 are installed on each layer, and the number of layers and the number of photolysis oxidation chambers (3) can be adjusted as required, so as to adjust the system capacity, optimize and improve the treatment efficiency and effect. After entering the vertical connecting channel (6) through the last photolysis oxidation chamber (3), the waste gas is divided into two paths in an upward mode, one path enters the circulating photolysis oxidation chamber (5), is subjected to photolysis oxidation by the UV-D lamp tube group (10), supplements the ozone content, returns to the mixed oxidation chamber (2) through the circulating channel (7) under the action of the circulating fan (13), and the other path enters the catalytic photolysis oxidation chamber (4).
In fig. 1, the exhaust gas entering the catalytic photolysis oxidation chamber (4) is treated by circulation, mixing, oxidation, photolysis, adsorption and the like for a plurality of times, the harmful components are few, and a small amount of ozone contained in the exhaust gas is adsorbed by the activated carbon filter (7) and can play a role in continuously cleaning, activating and regenerating the activated carbon filter (7). The UV-C lamp tube group (11) adopts C-waveband ultraviolet rays, new ozone is not generated basically, and components capable of adhering to the UV-C lamp tube group (11) in the waste gas are basically treated in the previous process, and the waste gas is subjected to final catalytic photolysis oxidation under the catalytic action of the nano TiO2 net (18) so as to achieve the optimal treatment effect.
In fig. 1, the exhaust fan (12) sends the exhaust gas treated by the catalytic photolysis oxidation chamber (4) to the high-temperature heating chamber (19) to accelerate the ozone decomposition, eliminate the ozone residue and discharge the exhaust gas meeting the emission standard. Preferably, the electric heating mode is adopted, and the heating is generally needed to be more than 200 ℃.
In the figure 1, a gas component sensor (20) is arranged at the outlet position of a catalytic photolysis oxidation chamber (4), collects the content of harmful components and the content of ozone in waste gas in real time, and sends the content of harmful components and the content of ozone to an intelligent measurement and control device (22) for real-time monitoring and analysis.
And setting a reasonable ozone content threshold value in the intelligent measurement and control device (22), gradually closing and reducing the operation number of the UV-D lamp tube groups (10) in the plurality of photolysis oxidation chambers (3) when the ozone content is higher, and conversely, gradually opening and increasing the operation number of the UV-D lamp tube groups (10) in the plurality of photolysis oxidation chambers (3).
And setting a reasonable threshold value of harmful component content in the intelligent measurement and control device (22), gradually closing and reducing the running number of UV-C lamp tube groups (11) in the plurality of photolysis oxidation chambers (3), increasing the rotating speed of the exhaust fan (12) and reducing the rotating speed of the circulating fan (13) when the harmful component content is low, and on the contrary, gradually opening and increasing the running number of the UV-C lamp tube groups (11) in the plurality of photolysis oxidation chambers (3), reducing the rotating speed of the exhaust fan (12) and increasing the rotating speed of the circulating fan (13).
The principle of automatic real-time control of the intelligent measurement and control device (22) is to reduce the operation quantity of the UV-D lamp tube group (10) and the UV-C lamp tube group (11) as much as possible on the premise of ensuring the required waste gas treatment speed, and to keep the content of harmful components and the content of ozone in the discharged waste gas within a reasonable threshold range.
The control method can reduce the operation quantity of the UV-D lamp tube group and the UV-C lamp tube group as much as possible on the premise of ensuring the required waste gas treatment speed, and can keep the content of harmful components and the content of ozone in the discharged waste gas within a reasonable threshold value range. The treatment speed, efficiency and effect of the system are effectively improved, the problem of secondary pollution caused by overhigh ozone content is solved, the running time of each UV lamp tube group can be balanced as much as possible, and the service lives of the UV-D lamp tube group and the UV-C lamp tube group are effectively prolonged.
In figure 1, a pressure sensor (21) is installed in a mixed oxidation chamber (2), collects the internal pressure of the mixed oxidation chamber (2) in real time, sends the internal pressure to an intelligent measurement and control device (22), automatically controls the rotating speed of an exhaust fan (12) and a circulating fan (13), and maintains the internal negative pressure state of the mixed oxidation chamber (2). Because the inside of the mixed oxidation chamber (2) is the highest pressure point of the whole system, the inside of the whole system is automatically maintained to be in a negative pressure state, and the leakage of harmful gas and ozone is prevented.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Vertical multilayer combination UV photodissociation oxidation cycle organic waste gas processing system, its characterized in that: the device comprises a pretreatment chamber (1), a mixed oxidation chamber (2), a photolysis oxidation chamber (3), a catalytic photolysis oxidation chamber (4), a circulating photolysis oxidation chamber (5), a vertical connecting channel (6), a circulating channel (7), a filter screen (8), an activated carbon filter (9), a UV-D lamp tube group (10), a UV-C lamp tube group (11), an exhaust fan (12), a circulating fan (13), a power distribution chamber (14) and a cabinet body (15);
the device comprises a plurality of photolysis oxidation chambers (3), a pretreatment chamber (1), a mixed oxidation chamber (2), a plurality of photolysis oxidation chambers (3) and a catalytic photolysis oxidation chamber (4) which are sequentially communicated end to end;
the pretreatment chamber (1), the mixed oxidation chamber (2), the multiple photolysis oxidation chambers (3), the catalytic photolysis oxidation chamber (4) and the circulating photolysis oxidation chamber (5) are arranged in an upper and lower multilayer structure, and the two adjacent upper and lower layers are respectively communicated at two sides through vertical connecting channels (6);
the air inlet side of the circulating photolysis oxidation chamber (5) is communicated with the air outlet side of the last photolysis oxidation chamber (3) through a vertical connecting channel (6), and the air outlet side of the circulating photolysis oxidation chamber (5) is communicated with the air inlet side of the mixed oxidation chamber (2) through a circulating channel (7);
a filter screen (8) is arranged in the pretreatment chamber (1), and an activated carbon filter (9) is arranged on the inlet side of the first photolysis oxidation chamber (3) communicated with the mixed oxidation chamber (2);
a UV-D lamp tube group (10) and a UV-C lamp tube group (11) are arranged in the multiple groups of photolysis oxidation chambers (3), a UV-C lamp tube group (11) is arranged in the catalytic photolysis oxidation chamber (4), and a UV-D lamp tube group (10) is arranged in the circulating photolysis oxidation chamber (5);
the exhaust fan (12) is positioned at the outlet side of the catalytic photolysis oxidation chamber (4) and maintains the interior of the air duct of the whole system in a negative pressure state;
the circulating fan (13) is positioned between the circulating photolysis oxidation chamber (5) and the mixed oxidation chamber (2) and sends the gas in the circulating photolysis oxidation chamber (5) into the mixed oxidation chamber (2);
the pretreatment chamber (1), the mixed oxidation chamber (2), the photolysis oxidation chamber (3), the catalytic photolysis oxidation chamber (4) and the circulating photolysis oxidation chamber (5) adopt the same overall dimension and the same interface modular structure, and are packaged in the cabinet body (15) together with the vertical connecting channel (6), the circulating channel (7) and the distribution chamber (14) to form a vertical multi-layer combined integrated structure, and the distribution chamber (14) supplies power for each component of the system.
2. The vertical multi-layer combined UV photolytic oxidation cycle organic waste gas treatment system according to claim 1, wherein: the filter screen (8), the activated carbon filter (9), the UV-D lamp tube group (10) and the UV-C lamp tube group (11) are all drawer type structures.
3. The vertical multi-layer combined UV photolytic oxidation cycle organic waste gas treatment system according to claim 1, wherein: in the upper and lower multilayer structure, the lowest layer is a pretreatment chamber (1) and a mixed oxidation chamber (2).
4. The vertical multi-layer combined UV photolytic oxidation cycle organic waste gas treatment system according to claim 1, wherein: comprises a sewage discharge pipeline (16), the bottom of the pretreatment chamber (1) is communicated with the sewage discharge pipeline (16); a filter screen (8) is arranged at the inlet of each vertical connecting channel (6), and the bottom of each vertical connecting channel is communicated with a sewage discharge pipeline (16).
5. The vertical multi-layer combined UV photolytic oxidation cycle organic waste gas treatment system according to claim 1, wherein: comprises a plurality of baffle plates (17) which are arranged inside the mixed oxidation chamber (2) in a staggered way.
6. The vertical multi-layer combined UV photolytic oxidation cycle organic waste gas treatment system according to claim 1, wherein: comprises a nano TiO2 net (18) which is arranged inside a catalytic photolysis oxidation chamber (4) and is matched with a UV-C lamp tube group (11).
7. The vertical multi-layer combined UV photolytic oxidation cycle organic waste gas treatment system according to claim 1, wherein: comprises a high-temperature heating chamber (19) which is communicated with a catalytic photolysis oxidation chamber (4) through an exhaust fan (12), and the waste gas is discharged after being treated at high temperature by the high-temperature heating chamber (19).
8. The vertical multi-layer combined UV photolytic oxidation cycle organic waste gas treatment system according to claim 1, wherein: comprises a gas component sensor (20), a pressure sensor (21) and an intelligent measurement and control device (22);
the gas component sensor (20) is arranged at the outlet position of the catalytic photolysis oxidation chamber (4), collects the content of harmful components and the content of ozone in the waste gas in real time, and sends the content of harmful components and the content of ozone to the intelligent measurement and control device (22) for real-time monitoring and analysis;
setting a reasonable ozone content threshold in the intelligent measurement and control device (22), gradually closing and reducing the operation number of the UV-D lamp tube groups (10) in the plurality of photolysis oxidation chambers (3) when the ozone content is higher, and conversely, gradually opening and increasing the operation number of the UV-D lamp tube groups (10) in the plurality of photolysis oxidation chambers (3);
setting a reasonable threshold value of harmful component content in the intelligent measurement and control device (22), gradually closing and reducing the running number of UV-C lamp tube groups (11) in the plurality of photolysis oxidation chambers (3), increasing the rotating speed of the exhaust fan (12) and reducing the rotating speed of the circulating fan (13) when the harmful component content is low, and on the contrary, gradually opening and increasing the running number of the UV-C lamp tube groups (11) in the plurality of photolysis oxidation chambers (3), reducing the rotating speed of the exhaust fan (12) and increasing the rotating speed of the circulating fan (13);
the principle of automatic real-time control of the intelligent measurement and control device (22) is that on the premise of ensuring the required waste gas treatment speed, the operation number of the UV-D lamp tube groups (10) and the UV-C lamp tube groups (11) is reduced as much as possible, the operation time of the plurality of UV-D lamp tube groups (10) and the plurality of UV-C lamp tube groups (11) is balanced, and the content of harmful components and the content of ozone in the discharged waste gas are kept within a reasonable threshold range;
pressure sensor (21) are installed in mixed oxidation chamber (2), gather mixed oxidation chamber (2) internal pressure in real time, give intelligent measurement and control device (22), and automatic control exhaust fan (12) and circulating fan (13) rotational speed maintain mixed oxidation chamber (2) inside be the negative pressure state.
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| CN201920542479.XU CN209865770U (en) | 2019-04-21 | 2019-04-21 | Vertical multi-layer combined UV photolysis oxidation circulation organic waste gas treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894001A (en) * | 2019-04-21 | 2019-06-18 | 周封 | Vertical multi-layer combines UV photodissociation oxidation cycle organic waste gas treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109894001A (en) * | 2019-04-21 | 2019-06-18 | 周封 | Vertical multi-layer combines UV photodissociation oxidation cycle organic waste gas treatment system |
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Granted publication date: 20191231 Termination date: 20200421 |