CN215233243U - Device is administered to refinery VOCs and peculiar smell synthesis - Google Patents
Device is administered to refinery VOCs and peculiar smell synthesis Download PDFInfo
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- CN215233243U CN215233243U CN202120282493.8U CN202120282493U CN215233243U CN 215233243 U CN215233243 U CN 215233243U CN 202120282493 U CN202120282493 U CN 202120282493U CN 215233243 U CN215233243 U CN 215233243U
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 24
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 7
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 7
- 239000007789 gas Substances 0.000 claims abstract description 57
- 239000002912 waste gas Substances 0.000 claims abstract description 52
- 239000007921 spray Substances 0.000 claims abstract description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000001179 sorption measurement Methods 0.000 claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 19
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 15
- 230000001699 photocatalysis Effects 0.000 claims abstract description 15
- 238000005352 clarification Methods 0.000 claims abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 238000005507 spraying Methods 0.000 claims description 26
- 239000003513 alkali Substances 0.000 claims description 23
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 235000019645 odor Nutrition 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000008157 edible vegetable oil Substances 0.000 abstract description 8
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- 238000005516 engineering process Methods 0.000 abstract description 5
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- 230000009471 action Effects 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 238000004332 deodorization Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229930182558 Sterol Natural products 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
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- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
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- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
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- 239000000470 constituent Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
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- 239000002440 industrial waste Substances 0.000 description 1
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- 150000002500 ions Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
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- 239000004408 titanium dioxide Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The embodiment of the application provides a device is administered to refinery VOCs and peculiar smell synthesis, including the waste gas centralized arrangement, the spray column that communicate in proper order, synthesize clarification plant, aiutage, synthesize clarification plant including the defogging filter segment, the photocatalytic decomposition section, the active carbon adsorption section that communicate in proper order, waste gas centralized arrangement's gas outlet with the lower part intercommunication of spray column, the top of spray column with the air inlet intercommunication of defogging filter segment, the gas outlet of active carbon adsorption section pass through the draught fan with the air inlet intercommunication of aiutage. The utility model provides a device is administered to refinery VOCs and peculiar smell synthesis can fully handle the waste gas that each technology section of edible oil manufacturing enterprise refinery produced, brings better economic benefits and environmental benefit.
Description
Technical Field
The application relates to the technical field of waste gas treatment, specifically is a device is administered to refinery VOCs and peculiar smell synthesis.
Background
At present, in the production process of edible oil, various component waste gases are generated in a refining production workshop, the components of the waste gases are complex, and meanwhile, the waste gases contain obvious offensive odor under stimulation. Puzzles various large-scale edible oil production enterprises, including large-scale enterprises such as Yihaijiali, medium grain and medium grain storage. The enterprise production bases are distributed all over the country, the environmental protection requirements of all parts are different, but the generated waste gas needs to meet the standards of the existing national and local environmental protection laws and regulations.
In the edible oil production process, relate to decoloration and deodorization system vacuum pump tail gas, oil interceptor foul smell and volatile organic matter, useless carclazyte foul gas, decoloration cake of cooking high temperature foul gas etc. mainly contain the waste gas composition and relate to: fatty acid, aldehyde, ketone, sterol, neutral oil and acidified oil waste gas form unspecified non-methane total hydrocarbon pollutants and malodorous pollutants. In the waste gas problem generated in the industry, the equipment for neutralizing in the prior art cannot remove Volatile Organic Compounds (VOCs) generated in the equipment, and cannot reach the national and local environmental protection standards under the stimulation of the odor of the mixed gas. The technical treatment effect in the prior art is poor, so that the problem that enterprises invest funds but cannot achieve expected effects occurs.
Therefore, a new waste gas treatment device is needed to solve the problem of the production of waste gas in each process section of the refinery of the edible oil production enterprise, thereby solving the trouble of the enterprise.
Disclosure of Invention
The utility model aims at solving the above-mentioned problem, provide a device is administered to refinery VOCs and peculiar smell synthesis, can fully handle the waste gas that each technology section of edible oil manufacturing enterprise refinery produced, bring better economic benefits and environmental benefit.
For realizing above-mentioned purpose, this application provides a refinery VOCs and peculiar smell are synthesized and are administered device, including waste gas concentrator, the spray column that communicates in proper order, synthesize clarification plant, aiutage, synthesize clarification plant including defogging filter segment, photocatalytic decomposition section, the active carbon adsorption section that communicates in proper order, waste gas concentrator's gas outlet with the lower part intercommunication of spray column, the top of spray column with the air inlet intercommunication of defogging filter segment, the gas outlet of active carbon adsorption section pass through the draught fan with the air inlet intercommunication of aiutage.
Preferably, the spray tower comprises a first-stage acid liquid spray part and a second-stage alkali liquid spray part which are sequentially arranged, the first-stage acid liquid spray part is communicated with a gas outlet of the waste gas concentration device, a gas outlet of the first-stage acid liquid spray part is communicated with a gas inlet of the second-stage alkali liquid spray part, and a gas outlet of the second-stage alkali liquid spray part is communicated with a gas inlet of the demisting filtering section.
Preferably, the first-stage acid liquor spraying part is a diluted sulfuric acid solution, and the spraying liquid of the second-stage alkali liquor spraying part is a sodium hydroxide solution.
Preferably, the bottoms and the tops of the first-stage acid solution spraying part and the second-stage alkali solution spraying part are respectively communicated through circulating pipelines, circulating pumps and circulating water tanks which are sequentially communicated are installed on the circulating pipelines, the circulating water tanks are connected with outlets of the circulating pumps, the sodium hydroxide solution is arranged in the circulating water tanks, the circulating water tanks are connected with the atomizing heads through the circulating pipelines at the tops of the alkali solution spraying towers, and atomizing nozzles of the atomizing heads are arranged in the alkali solution spraying towers.
Preferably, the vertical distance between the air outlet of the exhaust funnel and the air outlet is 15 meters.
Preferably, an air outlet sampling port is arranged between the air outlet and the air outlet of the exhaust funnel, and an online waste gas detection device is arranged at the air outlet sampling port.
Preferably, the waste gas centralizing device comprises a gas collecting hood and a plurality of gas collecting air pipes, wherein the gas inlet of the gas collecting hood is communicated with the plurality of gas collecting air pipes, and the gas outlet of the gas collecting hood is connected with the suction port of the induced draft fan.
Has the advantages that: the comprehensive treatment device for VOCs and peculiar smell in refineries utilizes acid-alkali liquor for spraying, performs absorption and neutralization reaction, and reduces the concentration of stink; water mist is removed through the action of a demister and a filter, and favorable conditions are created for the rear end; in TiO2Under the action of the catalyst, the odor factors are decomposed through photo-oxidation, so that the odor concentration is reduced; the treatment effect is assisted and enhanced through the adsorption effect of the activated carbon; and finally, the treated waste gas is discharged after being led to be higher by 15 meters through the exhaust funnel, so that the comprehensive treatment of VOCs and peculiar smell in the refinery is realized, and the waste gas produced by each process section of the refinery of edible oil production enterprises is ensured to be discharged after reaching the standard after being treated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 is a schematic structural diagram of a comprehensive treatment device for VOCs and odor in a refinery in an embodiment of the present application.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the application. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
Example (b): refer to fig. 1 and show a refinery VOCs and peculiar smell comprehensive treatment device, including the waste gas centralized arrangement that communicates in proper order, the spray column, synthesize clarification plant, the aiutage, synthesize clarification plant including the defogging filter segment that communicates in proper order, photocatalytic decomposition section, active carbon adsorption section, waste gas centralized arrangement's gas outlet and the lower part intercommunication of spray column, the top of spray column and the air inlet intercommunication of defogging filter segment, the gas outlet of active carbon adsorption section passes through the air inlet intercommunication of draught fan with the aiutage. The chimney may be any of the known art, such as a chimney. In this embodiment, the vertical distance between the exhaust port and the air inlet of the exhaust funnel is 15 meters. An air outlet sampling port is arranged between the air outlet and the air outlet of the exhaust funnel, and an online waste gas detection device is arranged at the air outlet sampling port. The online waste gas detection device can be any one of the prior art, is mainly used for detecting VOCs and odor concentration and ensuring that the gas discharged by the exhaust funnel is up to standard. The waste gas centralizing device comprises a gas collecting hood and a plurality of gas collecting air pipes, wherein the gas inlet of the gas collecting hood is communicated with the plurality of gas collecting air pipes, and the gas outlet of the gas collecting hood is connected with the suction port of the draught fan. The gas collection air pipe collects waste gas generated by the corresponding structure pollution source into the gas collection hood for collection, the waste gas generated by the corresponding structure pollution source specifically comprises waste clay workshop, tail gas of deodorization and decoloration systems, stink of oil separation tanks and other process tail gas, and after the draught fan is started, the waste gas flows to the spray tower from the gas outlet of the gas collection hood for spray treatment. Based on the structure, the waste gas components are analyzed, and in the production process of the edible oil, the tail gas of a vacuum pump of a decoloring and deodorizing system, the stink of an oil separation tank, volatile organic matters, the stink gas of waste carclazyte, the high-temperature stink gas of a decoloring cooking cake and the like are involved. By performing a targeted analysis of these exhaust gases, the main constituents of the exhaust gases are: fatty acid, aldehyde, ketone, sterol, neutral oil and acidified oil waste gas form unspecified non-methane total hydrocarbon pollutants and malodorous pollutants. The investment cost and the operation cost are comprehensively considered, and various process combination modes are selected and adopted, so that the VOCs and the odor concentration are reduced.
In this embodiment, the spray column includes the one-level acidizing fluid spraying part, the second grade alkali lye spraying part that set gradually, and one-level acidizing fluid spraying part and waste gas centralized arrangement's gas outlet intercommunication, the gas outlet of one-level acidizing fluid spraying part and the air inlet intercommunication of second grade alkali lye spraying part, the gas outlet and the air inlet intercommunication of defogging filter segment of second grade alkali lye spraying part. The first-stage acid liquor spraying part is a diluted sulfuric acid solution, and the spraying liquid of the second-stage alkali liquor spraying part is a sodium hydroxide solution. The bottom and the top of one-level acidizing fluid spraying portion, second grade alkali lye spraying portion are respectively through the circulating line intercommunication, install circulating pump, the circulation tank who communicates in proper order on the circulating line, and the circulation tank links to each other with the export of circulating pump, and the sodium hydroxide solution sets up in the circulation tank, and the circulation tank passes through the circulation pipeline at alkali lye spray tower top and links to each other with the atomising head, and the nozzle of atomising head sets up in the inside of alkali lye spray tower. The device has the advantages that the acid-alkali liquor is used for spraying to perform absorption and neutralization reaction, and the odor concentration is reduced. Through reasonable in design's contact time and equipment result, set for suitable pH valve for waste gas can be fine takes place the physical and chemical reaction and is got rid of, promotes whole technology greatly and gets rid of efficiency.
Synthesize clarification plant and include defogging filter segment, photocatalytic decomposition section, active carbon adsorption section, the draught fan is to the waste gas suction after, the defogging filter segment can be the defroster among the prior art, the photocatalytic decomposition section can be the photocatalytic decomposition bed among the prior art, the active carbon adsorption section can be the active carbon adsorption bed among the prior art. After the spraying treatment of the spray tower, the demisting and filtering are carried out in a demisting filtering section, the photocatalytic decomposition is carried out in a photocatalytic decomposition section, and the pollutants are adsorbed by the activated carbon in an activated carbon adsorption section. In the demisting filtering section, water mist is removed through the action of a demister and a filter, and favorable conditions are created for the rear end. In the photocatalytic decomposition stage, in the TiO2And (3) decomposing the malodor factors through photo-oxidation under the action of the catalyst, and reducing the malodor concentration. In the activated carbon adsorption section, the treatment effect is assisted and enhanced through the activated carbon adsorption effect. The benefit that sets up like this is, to the high amazing gaseous characteristic of low concentration, adopts photocatalysis decomposition bed and active carbon adsorption bed integration combination mode, promotes to get rid of the effect, through reasonable in design's photocatalysis decomposition reaction zone velocity of flow and reaction time, and the cost can be saved in the active carbon adsorption section design to strengthen the treatment effect mode, promote the efficiency of getting rid of pollutant in the whole technology greatly.
Based on above-mentioned structure, in the exhaust-gas treatment process of refinery VOCs and peculiar smell:
firstly, the waste gas collecting device collects waste gas in a sealing way: the device is mainly used for collecting malodorous and volatile organic pollutant gases generated by various structures.
Step two, washing by a spray tower: the waste gas of the waste gas collecting device is sent to a spray tower for washing treatment, and the waste gas collecting device is mainly used for absorbing and neutralizing odor factors such as ammonia, hydrogen sulfide, alcohols, aldehydes, aliphatic hydrocarbons and the like in the waste gas and reducing the odor concentration. The acidic waste gas and water-soluble pollution factors in the waste gas are removed through the absorption, neutralization reaction and other actions of the spray liquid and the waste gas, so that the purification effect is achieved.
The third step: comprehensive purification treatment: after being washed by the spray tower, the waste gas is demisted by the demisting filtering section and then is sent to the photocatalytic decomposition section, and the device is mainly used for carrying out photocatalytic decomposition on peculiar smell molecules, degrading volatile organic compounds in the waste gas and reducing the concentration of stink. The defogging filtering section can further remove water vapor in odor, then the odor enters ultraviolet light catalytic treatment, the ultraviolet light catalytic process adopts a tip nanometer composite technology, a certain amount of nanometer titanium dioxide is uniformly loaded on a foam nickel substrate, a novel functional material developed by integrating excellent characteristics of nanometer photocatalyst materials and foam nickel is integrated, and high-energy ions are generated after the ultraviolet light irradiation to perform catalytic decomposition on odor molecules so as to achieve the purpose of purifying air.
Then, the waste gas flow direction through photocatalytic decomposition active carbon adsorption section, the further amazing peculiar smell pollution factor of getting rid of mainly used adsorption through active carbon, reinforcing deodorization effect guarantees to discharge waste gas discharge to reach standard. The active carbon adsorption section utilizes developed gaps and huge specific surface area of porous solid granular active carbon fillers, so that the active carbon adsorption section has strong adsorption effect and can effectively remove organic pollutants, color, taste and malodor in industrial waste gas. Therefore, the odor concentration can be further reduced by using the activated carbon adsorption device. In the equipment fixing process, in order to reduce the use cost of the activated carbon adsorption section, the activated carbon adsorption section can be additionally provided with activated carbon desorption regeneration equipment, so that the service life of the activated carbon is prolonged, and the use cost is reduced.
The fourth step: the waste gas treated by the active carbon adsorption section is discharged after being led to the height of 15 meters by the exhaust funnel.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. The utility model provides a device is administered to refinery VOCs and peculiar smell synthesis, a serial communication port, including the waste gas centralized arrangement, the spray column that communicate in proper order, synthesize clarification plant, aiutage, synthesize clarification plant including the defogging filter segment, photocatalytic decomposition section, the active carbon adsorption section that communicate in proper order, waste gas centralized arrangement's gas outlet with the lower part intercommunication of spray column, the top of spray column with the air inlet intercommunication of defogging filter segment, the gas outlet of active carbon adsorption section pass through the draught fan with the air inlet intercommunication of aiutage.
2. The comprehensive treatment device for VOCs and peculiar smell in refinery of claim 1, wherein the spray tower comprises a primary acid spray part and a secondary alkali spray part which are arranged in sequence, the primary acid spray part is communicated with the gas outlet of the waste gas centralizing device, the gas outlet of the primary acid spray part is communicated with the gas inlet of the secondary alkali spray part, and the gas outlet of the secondary alkali spray part is communicated with the gas inlet of the demisting filtering section.
3. The comprehensive treatment device for VOCs and odors in refineries according to claim 2, wherein the primary acid solution spraying part is a dilute sulfuric acid solution, and the spraying liquid of the secondary alkali solution spraying part is a sodium hydroxide solution.
4. The comprehensive treatment device for VOCs and odors in refineries according to claim 3, wherein the bottoms and tops of said primary acid solution spraying section and said secondary alkali solution spraying section are respectively communicated through a circulation pipeline, said circulation pipeline is provided with a circulation pump and a circulation water tank which are sequentially communicated, said circulation water tank is connected with the outlet of said circulation pump, said sodium hydroxide solution is disposed in said circulation water tank, said circulation water tank is connected with a spray head through the circulation pipeline at the top of said alkali solution spray tower, and the spray nozzle of said spray head is disposed inside said alkali solution spray tower.
5. The comprehensive treatment device for VOCs and odors of refineries of claim 1, wherein the vertical distance between the air outlet of said exhaust stack and the air outlet is 15 meters.
6. The comprehensive treatment device for VOCs and peculiar smell in refinery of claim 5, wherein an outlet sampling port is arranged between the outlet of the exhaust funnel and the outlet, and an online waste gas detection device is arranged at the outlet sampling port.
7. The comprehensive treatment device for VOCs and odors of refineries of claim 1, wherein said exhaust gas concentration device comprises a gas-collecting hood and a plurality of gas-collecting air pipes, the gas inlet of said gas-collecting hood is connected to said plurality of gas-collecting air pipes, and the gas outlet of said gas-collecting hood is connected to the suction port of said induced draft fan.
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| CN202120282493.8U CN215233243U (en) | 2021-02-01 | 2021-02-01 | Device is administered to refinery VOCs and peculiar smell synthesis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253646A (en) * | 2022-08-26 | 2022-11-01 | 浙江亿丰海洋生物制品有限公司 | Waste gas treatment production line for aquatic product processing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253646A (en) * | 2022-08-26 | 2022-11-01 | 浙江亿丰海洋生物制品有限公司 | Waste gas treatment production line for aquatic product processing |
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Address after: 510000 Room 2707 706 Kaichuang Avenue, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Zike Equipment Co.,Ltd. Address before: 510000 Room 2707 706 Kaichuang Avenue, Huangpu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ZIKE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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Address after: 241000 Unit B, Building 15, Shangyuan Zhongjiang Science and Technology Innovation Park, Wuhu High tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province Patentee after: Zike Equipment Co.,Ltd. Country or region after: China Address before: 510000 Room 2707 706 Kaichuang Avenue, Huangpu District, Guangzhou City, Guangdong Province Patentee before: Zike Equipment Co.,Ltd. Country or region before: China |
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