CN114345122A - Waste gas purification system and purification device thereof - Google Patents
Waste gas purification system and purification device thereof Download PDFInfo
- Publication number
- CN114345122A CN114345122A CN202210008349.4A CN202210008349A CN114345122A CN 114345122 A CN114345122 A CN 114345122A CN 202210008349 A CN202210008349 A CN 202210008349A CN 114345122 A CN114345122 A CN 114345122A
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- exhaust
- storage bin
- gas
- tower
- gas purification
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- 238000000746 purification Methods 0.000 title claims abstract description 40
- 239000002912 waste gas Substances 0.000 title abstract description 31
- 239000011941 photocatalyst Substances 0.000 claims abstract description 24
- 238000002309 gasification Methods 0.000 claims abstract description 17
- 230000007306 turnover Effects 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 230000008929 regeneration Effects 0.000 claims description 12
- 238000011069 regeneration method Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 40
- 238000000034 method Methods 0.000 abstract description 10
- 231100000252 nontoxic Toxicity 0.000 abstract description 9
- 230000003000 nontoxic effect Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 239000002341 toxic gas Substances 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013032 photocatalytic reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a waste gas purification system and a purification device thereof in the technical field of papermaking waste gas treatment, and aims to solve the problems that the waste gas removal process is complicated, the toxic gas in waste gas is not purified in place and the like in the prior art. It comprises a photocatalyst storage bin and a gasification device; the top of the storage bin is provided with an exhaust port, one side of the storage bin is provided with an air inlet, and the other side of the storage bin is provided with a feed inlet; the discharge port is arranged at the bottom of the storage bin; the gasification device is arranged in the center of the top of the storage bin; a turnover plate is arranged in the gasification device; the top of the turnover plate is provided with a heating device; the bottom of the turnover plate is provided with a plurality of ultraviolet lamp tubes; the device is suitable for solving the problem of waste gas pollution generated in the papermaking process, and can ensure that the purified nontoxic gas is generated and is beneficial to discharge.
Description
Technical Field
The invention relates to a waste gas purification system and a purification device thereof, belonging to the technical field of papermaking waste gas treatment.
Background
The aerobic organic matters discharged by the paper making industry of China account for more than 30 percent of the total discharge amount of China. The contamination from paper manufacture is the most severe. A large amount of sapropel appears in paper pulp production, the sapropel accumulation can generate odor mainly containing hydrogen sulfide, the environment is polluted, the product quality and the physical and psychological health of operating personnel are influenced, the traditional waste gas purification operation procedure is complicated, but harmful gas in waste gas is not thoroughly removed, and the environment pollution is caused when the harmful gas is discharged into the atmosphere.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a waste gas purification device and a purification system thereof, which can simultaneously purify toxic acidic gas and alkaline gas into nontoxic gas under the action of illumination and a photocatalyst so as to reduce air pollution. The discharged non-toxic gas can be collected by the liquefaction gas-collecting tank to be used as other process materials.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the present invention provides an exhaust gas purification apparatus, comprising a storage bin including a photocatalyst, a gasification device; the top of the storage bin is provided with an exhaust port, one side of the storage bin is provided with an air inlet, and the other side of the storage bin is provided with a feed inlet; the discharge port is arranged at the bottom of the storage bin; the gasification device is arranged in the center of the top of the storage bin; a turnover plate is arranged in the gasification device; the top of the turnover plate is provided with a heating device; the bottom of the turnover plate is provided with a plurality of ultraviolet lamp tubes.
Furthermore, the turnover angle of the turnover plate is 180 degrees.
Furthermore, the air inlet, the exhaust port, the feed inlet and the discharge port are respectively provided with a switch gate.
Further, the photocatalyst in the storage bin is a nano TiO2 photocatalyst.
In a second aspect, the present invention provides an exhaust gas purification system, comprising an exhaust gas system, an exhaust tower, a regeneration device, a liquefaction gas-collecting tank, and the exhaust gas purification device of any one of the first aspect; the purification device is arranged in the exhaust tower; the pipeline of the exhaust system is connected with the air inlet through entering the exhaust tower; the liquefaction gas-collecting tank is connected with the gas outlet of the exhaust tower through a pipeline; one end of the regeneration device is connected with the discharge port through the exhaust tower, and the other end of the regeneration device is connected with the feed inlet through the exhaust tower.
Furthermore, a plurality of filter layers are arranged at the top of the exhaust tower; the position of the air outlet of the exhaust tower is lower than the filter layer.
Further, a gas-liquid separator is arranged in the liquefaction gas collecting tank; the gas-liquid separator is connected with the water collecting tank.
Furthermore, an exhaust device is arranged at the top of the exhaust tower and is arranged on the plurality of filter layers.
Compared with the prior art, the invention has the following beneficial effects:
according to the waste gas purification device, toxic gas can be rapidly and effectively sorted into non-toxic gas, the working efficiency of waste gas treatment is improved, and the safety of operating personnel is ensured; irradiating the photocatalyst and the waste gas in the storage bin by using an ultraviolet lamp tube to decompose various acid-base toxic gases in the waste gas into water and various non-toxic gases; decomposed water is gasified and discharged through the heating device, and the photocatalyst is dried to ensure the full reaction of the photocatalyst and waste gas.
The waste gas purification system provided by the invention can ensure the cyclic utilization of resources in the waste gas purification process on the basis of waste gas purification provided by the invention, save the cost and meet other operation requirements of collected non-toxic gas.
Drawings
FIG. 1 is a structural view of an exhaust gas purifying apparatus of an embodiment;
FIG. 2 is a plan view of a gasification apparatus of the exhaust gas purification apparatus of FIG. 1;
FIG. 3 is a bottom view of the vaporizer of the exhaust gas purifying apparatus of FIG. 1;
FIG. 4 is a structural view of an exhaust gas purification system of the embodiment;
in the figure: 1. an exhaust gas purification device; 2. a storage bin; 3. a gasification device; 4. a heating device; 5. a turnover plate; 6. an ultraviolet lamp tube; 7. a feed inlet; 8. a discharge outlet; 9. an air inlet; 10. an exhaust port; 11. an air exhaust device; 12. an exhaust system 12; 13. an exhaust column; 14. a liquefied gas-collecting tank; 15. a gas-liquid separator; 16. a water collecting tank; 17. a regeneration device; 18. and (5) filtering the layer.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1:
referring to fig. 1, the present embodiment provides an exhaust gas purification apparatus 1, including a storage bin 2, a gasification apparatus 3; the gasification device 3 is arranged at the top center of the storage bin 2. The reserve tank 2 is a closed body. As shown in fig. 2, an air outlet 10 is further provided at the top of the reserve bin 2; the exhaust ports 10 are provided around the periphery of the gasification apparatus 3 connected to the top. An air inlet 9 is formed in one side of the storage bin 2, so that waste gas can enter the storage bin 2 conveniently, and a feeding hole 7 is formed in the other side of the storage bin, so that the photocatalyst can be fed conveniently; a discharge port 8 is arranged at the bottom of the storage bin 2 and used for discharging the reacted photocatalyst. The gasification device 3 is provided with a turnover plate 5, and the top of the turnover plate 5 is provided with a heating device 4. As shown in fig. 3, the bottom of the turnover plate 5 is provided with a plurality of ultraviolet lamps 6, which can be arranged according to specific requirements. The ultraviolet lamp 6 in the vaporizer 3 is used for light irradiation to allow the photocatalyst to react with the exhaust gas quickly. The heating device 4 in the gasification device 3 is used for evaporating and rising the water generated by the reaction from the photocatalyst and accelerating the upward discharge of other non-toxic gases after the reaction.
Specifically, the turnover plate 5 can be turned over by 180 degrees, and after the photocatalytic reaction of the illumination of the external light tube is completed, the turnover plate 5 can be turned over to one side of the heating device 4 to discharge the non-toxic gas and the water vapor.
Specifically, the air inlet 9, the air outlet 10, the feed inlet 7 and the discharge outlet 8 on the storage bin 2 are respectively provided with a switch gate. Each switch gate may be arranged to be adjusted by an electrically controlled operation.
Specifically, the photocatalyst used in the storage bin 2 is a nano TiO2 photocatalyst.
In the operation process of the waste gas purification device 1, the gas inlet 9 is opened, and the rest ports are closed and are fed with waste gas; after a large amount of waste gas got into sufficient reserve storehouse 2, closed air inlet 9, opened gas vent 10, opened the ultraviolet tube 6 illumination among the gasification equipment 3 and decompose waste gas under photocatalyst's combined action, can set up gaseous detection device in the reserve storehouse 2, after the detection requirement is qualified, the returning face plate 5 upset 180 degrees for each gaseous upward exhaust speed through heating device 4's effect. The discharge opening 8 is opened to discharge the reacted photocatalyst and other reaction products. The exhaust port 10 and the discharge port 8 are closed, and the feed port 7 is opened to feed the photocatalyst. After the feeding is finished, the feeding hole 7 is closed, the complete one-time operation process is adopted, and the waste gas purification is finished by circulating the operation process.
Example 3:
the present embodiment provides an exhaust gas purification system including an exhaust gas system 1212, an exhaust tower 13, a regeneration device 17, a liquefaction vapor collection tank 14, and the exhaust gas purification device 1 in embodiment 1. The exhaust gas purifying apparatus 1 in embodiment 1 is provided inside an exhaust tower 13. The piping in the exhaust system 1212 is connected to the intake port 9 in the internal exhaust gas purification apparatus 1 through the exhaust tower 13. A pipeline in the regeneration device 17 passes through the exhaust tower 13 and is connected with a discharge port 8 in the waste gas purification device 1; the other line in the regeneration device 17 is connected to the feed opening 7 in the exhaust gas purification device 1 via the exhaust gas column 13. The regenerating device 17 collects the reacted photocatalyst and other production substances, sorts and recycles the photocatalyst and other production substances. The pipeline in the liquefaction gas collecting tank 14 is connected with the gas outlet of the exhaust tower 13.
Specifically, a filter layer 18 is arranged on the top of the exhaust tower 13, so that in order to ensure that the gas exhausted after the photocatalytic reaction carries the toxic and odorous gas which is not completely reacted, the gas exhausted into the liquefaction gas collecting tank 14 is ensured to be safe and nontoxic through the adsorption action of the filter layer 18.
Specifically, a gas-liquid separator 15 is arranged in the liquefaction gas collecting tank 14, an outlet of liquid separated by the gas-liquid separator 15 is connected with a water collecting tank 16, generated moisture and gas which can be discharged into air can be collected in the waste gas treatment process, the cyclic utilization of water resources in the process flow is ensured, and the waste of water resources is reduced.
Specifically, an exhaust device 11 is arranged on the top of the exhaust tower 13, and the exhaust device 11 is higher than the installation position of the filter layer 18. So that the gas filtered in the exhaust tower 13 is completely exhausted from the tower.
The waste gas purification device 1 installed in the exhaust tower 13 in the embodiment performs effective purification by combining the waste gas system 1212, the exhaust tower 13, the regeneration device 17 and the liquefaction gas collecting tank 14 in the waste gas purification system through the operation mode in the embodiment 2, and the regeneration device 17 collects and collects the discharged reacted photocatalyst, and extracts the unreacted photocatalyst for reuse; the liquefaction vapor collection tank 14 collects gases that may be used for other processes, liquefied water vapor, and harmless gases that may be discharged into the air.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An exhaust gas purification device is characterized by comprising a photocatalyst storage bin and a gasification device; the top of the storage bin is provided with an exhaust port, one side of the storage bin is provided with an air inlet, and the other side of the storage bin is provided with a feed inlet; the discharge port is arranged at the bottom of the storage bin; the gasification device is arranged in the center of the top of the storage bin; a turnover plate is arranged in the gasification device; the top of the turnover plate is provided with a heating device; the bottom of the turnover plate is provided with a plurality of ultraviolet lamp tubes.
2. An exhaust gas purifying apparatus as claimed in claim 1, wherein said flap plate is turned over at an angle of 180 degrees.
3. An exhaust gas purifying apparatus as claimed in claim 1, wherein the inlet port, the exhaust port, the inlet port and the outlet port are provided with switching gates, respectively.
4. An exhaust gas purification apparatus as claimed in claim 1, wherein the photocatalyst in the storage chamber is a nano TiO2 photocatalyst.
5. An exhaust gas purification system comprising an exhaust gas system, an exhaust tower, a regeneration device, a liquefied gas collection tank, and the exhaust gas purification device according to any one of claims 1 to 4; the purification device is arranged in the exhaust tower; the pipeline of the exhaust system is connected with the air inlet through entering the exhaust tower; the liquefaction gas-collecting tank is connected with the gas outlet of the exhaust tower through a pipeline; one end of the regeneration device is connected with the discharge port through the exhaust tower, and the other end of the regeneration device is connected with the feed inlet through the exhaust tower.
6. An exhaust gas purification system according to claim 5; the device is characterized in that a plurality of filter layers are further arranged at the top of the exhaust tower; the position of the air outlet of the exhaust tower is lower than the filter layer.
7. An exhaust gas purification system according to claim 5; the device is characterized in that a gas-liquid separator is arranged in the liquefaction gas collecting tank; the gas-liquid separator is connected with the water collecting tank.
8. An exhaust gas purification system according to claim 6; the air exhaust device is arranged at the top of the exhaust tower and is arranged on the filtering layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008349.4A CN114345122A (en) | 2022-01-06 | 2022-01-06 | Waste gas purification system and purification device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008349.4A CN114345122A (en) | 2022-01-06 | 2022-01-06 | Waste gas purification system and purification device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114345122A true CN114345122A (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210008349.4A Pending CN114345122A (en) | 2022-01-06 | 2022-01-06 | Waste gas purification system and purification device thereof |
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| Country | Link |
|---|---|
| CN (1) | CN114345122A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764588A (en) * | 2012-07-19 | 2012-11-07 | 宁波市沧海新材料开发有限公司 | Superstrong polluted air decomposer |
| CN205815478U (en) * | 2016-06-30 | 2016-12-21 | 山东水发鲁润水务科技有限公司 | A kind of photocatalysis air cleaning device |
| CN107083253A (en) * | 2017-05-12 | 2017-08-22 | 江苏大学 | A kind of agriculture and forestry organic waste material is segmented the equipment and method of catalysis pyrolysis oil preparation altogether with marine alga |
| CN109433129A (en) * | 2018-11-06 | 2019-03-08 | 环境保护部南京环境科学研究所 | A kind of integrated apparatus and preparation method preparing nano zero valence iron for laboratory |
| CN111282436A (en) * | 2020-03-27 | 2020-06-16 | 山东派力迪环境科技有限公司 | Purification process and system for waste gas containing high-concentration reductive sulfide in sewage station |
| CN111643685A (en) * | 2020-05-20 | 2020-09-11 | 广州康普顿至高建材有限公司 | Comprehensive disinfection room and disinfection method thereof |
| CN211659643U (en) * | 2019-12-18 | 2020-10-13 | 威海奥东金属结构制造有限公司 | Paint spray booth waste gas filtering device with multilayer purifying effect |
| CN211706437U (en) * | 2019-12-03 | 2020-10-20 | 盛世惠泽科技（天津）有限公司 | Novel organic waste gas treatment device |
| CN213853900U (en) * | 2020-10-30 | 2021-08-03 | 武汉恒通源环境工程技术有限公司 | Integrated form VOC exhaust treatment device |
-
2022
- 2022-01-06 CN CN202210008349.4A patent/CN114345122A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764588A (en) * | 2012-07-19 | 2012-11-07 | 宁波市沧海新材料开发有限公司 | Superstrong polluted air decomposer |
| CN205815478U (en) * | 2016-06-30 | 2016-12-21 | 山东水发鲁润水务科技有限公司 | A kind of photocatalysis air cleaning device |
| CN107083253A (en) * | 2017-05-12 | 2017-08-22 | 江苏大学 | A kind of agriculture and forestry organic waste material is segmented the equipment and method of catalysis pyrolysis oil preparation altogether with marine alga |
| CN109433129A (en) * | 2018-11-06 | 2019-03-08 | 环境保护部南京环境科学研究所 | A kind of integrated apparatus and preparation method preparing nano zero valence iron for laboratory |
| CN211706437U (en) * | 2019-12-03 | 2020-10-20 | 盛世惠泽科技（天津）有限公司 | Novel organic waste gas treatment device |
| CN211659643U (en) * | 2019-12-18 | 2020-10-13 | 威海奥东金属结构制造有限公司 | Paint spray booth waste gas filtering device with multilayer purifying effect |
| CN111282436A (en) * | 2020-03-27 | 2020-06-16 | 山东派力迪环境科技有限公司 | Purification process and system for waste gas containing high-concentration reductive sulfide in sewage station |
| CN111643685A (en) * | 2020-05-20 | 2020-09-11 | 广州康普顿至高建材有限公司 | Comprehensive disinfection room and disinfection method thereof |
| CN213853900U (en) * | 2020-10-30 | 2021-08-03 | 武汉恒通源环境工程技术有限公司 | Integrated form VOC exhaust treatment device |
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