技术领域technical field
本发明涉及废气处理技术领域，具体说是一种基于挥发油气净化技术的尾气光氧裂解处理方法。The invention relates to the technical field of waste gas treatment, in particular to a tail gas photo-oxygen cracking treatment method based on volatile oil gas purification technology.
背景技术Background technique
大气污染是我国目前最突出的环境问题之一。其中工业废气是大气污染物的重要来源。工业废气中最难处理的就是有机废气，主要来源于石油化工橡胶行业生产过程中排放的废气，有机废气不仅造成直接的大气污染外，还会在大气中参与复杂的反应生成二次污染物，成为PM2.5的主要来源之一。因此，有机废气的处理与净化问题亟待解决。Air pollution is one of the most prominent environmental problems in my country at present. Among them, industrial waste gas is an important source of air pollutants. The most difficult to deal with in industrial waste gas is organic waste gas, which mainly comes from the waste gas emitted during the production process of petrochemical rubber industry. Organic waste gas not only causes direct air pollution, but also participates in complex reactions in the atmosphere to generate secondary pollutants. Become one of the main sources of PM2.5. Therefore, the treatment and purification of organic waste gas need to be solved urgently.
传统的有机废气净化处理手段主要包括：直接高温燃烧法、催化氧化法、臭氧除臭法、活性炭吸附法、酸碱药液喷淋法、生物除臭法等。这些方法在不同程度上存在设备投资高、运行成本高、处理气量小、工作不稳定、占用空间大、脱臭净化效率不高、存在二次污染等问题。目前，新型的紫外线废气处理系统得到了越来越多的应用，通过紫外线处理后的大分子有机废气的分子链被打断变成小分子污染物，再经过后续设备的处理可以将废气的排放降低到一个很低的水平。Traditional organic waste gas purification treatment methods mainly include: direct high-temperature combustion method, catalytic oxidation method, ozone deodorization method, activated carbon adsorption method, acid-base liquid spray method, biological deodorization method, etc. These methods have problems such as high equipment investment, high operating cost, small processing gas volume, unstable work, large space occupation, low deodorization and purification efficiency, and secondary pollution to varying degrees. At present, the new ultraviolet exhaust gas treatment system has been used more and more. The molecular chain of the macromolecular organic waste gas after ultraviolet treatment is interrupted and turned into small molecular pollutants, and then the exhaust gas can be discharged after subsequent equipment treatment. down to a very low level.
中国专利文献中，CN103505990A涉及一种UV-VOC废气处理装置，包括箱体，在所述箱体内设有光解氧化裂变室，所述光解氧化裂变室通过管路与废气进气口相连接；在所述光解氧化裂变室内设有激发高压装置，用以裂变分解有机废气在所述箱体上还设有控制系统，所述控制系统包括主控制器、负压传感器、光电传感器，实现对所述设备的整体运行及安全控制。本发明通过光解氧化裂变室有效的实现了废气的净化处理，将有机废气充分氧化裂变排出，无污染；通过预处理段实现废气的过滤和分离，为后续光解氧化裂变处理系统对废气的处理创造条件；水循环系统的应用加倍延长光解氧化裂变装置处理系统的使用寿命。CN104667674B涉及空气净化处理技术领域，尤其是涉及涂装废气处理工艺及其装置，包括漆雾处理，通过水喷淋处理废气中的粉尘颗粒；光催化处理，使废气中有机或无机高分子恶臭化合物分子链降解转变成低分子化合物，由此改性为亲水性气体；以及气液混合处理，去除废气中的异味，废气处理更彻底。其装置具有一漆雾处理塔、一光催化处理器和一气液混合处理机，三者同轴一字依次衔接，形成密封通道，依照上述工艺处理涂装废气，结构简单，易制作，净化效果良好，适用工业废气处理。CN105964120A公开了一种废气处理系统，包括碱喷淋塔、植物液喷淋塔、光催化氧化装置、风机和烟囱，所述碱喷淋塔、植物液喷淋塔、光催化氧化装置、风机和烟囱依次相连。本发明与传统技术相比，设计科学，处理废气效果哦明显，将酸碱处理、生化处理和光催化氧化处理结合在一个系统中，能够充分处理混合型废气，使之达标后排放。发明名称为“组合式塑料造粒废气净化系统”、公开号为CN205550040U的实用新型专利公开了一种技术方案，包括喷淋洗涤塔和旋风水气分离装置、废气处理设备，废气处理设备包括活性炭吸附仓、UV光氧催化仓和低温等离子设备。上述技术能够有效去除废气中的烟雾和有机废物。但上述技术方案智能化控制水平很低，不能根据污染物浓度实时控制紫外线设备的处理功率，造成能源的浪费或者污染物处理不达标的问题。另外经过紫外线设备处理后的废气在排放时因为传统湿法后处理设备(一般采用洗涤塔)的局限性还会造成污染物随气体中水雾流动排放造成的二次污染问题。In the Chinese patent literature, CN103505990A relates to a UV-VOC exhaust gas treatment device, including a box body, in which a photolytic oxidative fission chamber is arranged, and the photolytic oxidative fission chamber is connected to the exhaust gas inlet through a pipeline. connection; in the photolysis oxidation fission chamber, an excitation high-voltage device is provided to fission and decompose organic waste gas; a control system is also provided on the box, and the control system includes a main controller, a negative pressure sensor, a photoelectric sensor, Realize the overall operation and safety control of the equipment. The invention effectively realizes the purification treatment of waste gas through the photolysis oxidation fission chamber, fully oxidizes and fissions the organic waste gas and discharges it without pollution; realizes the filtration and separation of waste gas through the pretreatment section, and provides the follow-up photolysis oxidation fission treatment system for the waste gas. The treatment creates conditions; the application of the water circulation system doubles the service life of the treatment system of the photolytic oxidation fission device. CN104667674B relates to the technical field of air purification treatment, especially to the coating waste gas treatment process and its device, including paint mist treatment, which uses water spraying to treat dust particles in the waste gas; The molecular chain is degraded and transformed into low-molecular compounds, which are then modified into hydrophilic gases; and the gas-liquid mixing treatment removes the peculiar smell in the exhaust gas, and the exhaust gas treatment is more thorough. The device has a paint mist treatment tower, a photocatalytic processor and a gas-liquid mixing processor. The three are coaxially connected in sequence to form a sealed channel. The coating exhaust gas is treated according to the above process. The structure is simple, easy to manufacture, and the purification effect is excellent. Good, suitable for industrial waste gas treatment. CN105964120A discloses a waste gas treatment system, comprising an alkali spray tower, a plant liquid spray tower, a photocatalytic oxidation device, a fan and a chimney, the alkali spray tower, a plant liquid spray tower, a photocatalytic oxidation device, a fan and a chimney The chimneys are connected in turn. Compared with the traditional technology, the present invention has scientific design and obvious waste gas treatment effect. It combines acid-base treatment, biochemical treatment and photocatalytic oxidation treatment in one system, which can fully treat mixed waste gas and make it discharge after reaching the standard. The utility model patent titled "Combined Plastic Granulation Waste Gas Purification System" and publication number CN205550040U discloses a technical solution, including a spray scrubber, a cyclone water-gas separation device, and waste gas treatment equipment. The waste gas treatment equipment includes activated carbon Adsorption chamber, UV photo-oxygen catalytic chamber and low temperature plasma equipment. The above technology can effectively remove smoke and organic waste in the exhaust gas. However, the intelligent control level of the above-mentioned technical scheme is very low, and the processing power of the ultraviolet equipment cannot be controlled in real time according to the concentration of pollutants, resulting in the waste of energy or the problem that the treatment of pollutants is not up to standard. In addition, the exhaust gas treated by ultraviolet equipment will also cause secondary pollution caused by the discharge of pollutants with the flow of water mist in the gas due to the limitations of traditional wet post-treatment equipment (generally using scrubbers).
发明内容Contents of the invention
为了解决上述技术问题，本发明提供一种基于挥发油气净化技术的尾气光氧裂解处理方法，可用于化工厂中废橡胶废塑料等裂解废气、橡胶制品加工和再生胶加工过程中的尾气、以及餐饮业的尾气处理；目的是实现紫外线设备的智能化控制，有效节省能源、提高工作效率，实现废气的超净排放。In order to solve the above technical problems, the present invention provides a photo-oxygen cracking treatment method for tail gas based on volatile oil and gas purification technology, which can be used for cracking waste gas such as waste rubber and waste plastics in chemical plants, tail gas during rubber product processing and reclaimed rubber processing, and Exhaust gas treatment in the catering industry; the purpose is to realize the intelligent control of ultraviolet equipment, effectively save energy, improve work efficiency, and realize ultra-clean emission of exhaust gas.
为达到上述目的，本发明的技术方案如下：To achieve the above object, the technical scheme of the present invention is as follows:
一种基于挥发油气净化技术的尾气光氧裂解处理方法，包括：A tail gas photooxygen cracking treatment method based on volatile oil and gas purification technology, comprising:
1)工厂有机废气进入所述旋风除雾降尘冷却器从而进行除雾和降尘，经过初步处理的废气会通入油气净化电场设备中；油气净化电场设备使较大的污染物分子、油液等发生分解，同时产生的氢氧基(-OH)与活性氧(-O)等活性自由基和O3与有害气体分子发生化学反应，将分子较大的污染物降解为小分子物质；1) The organic waste gas from the factory enters the cyclone demisting and dedusting cooler for demisting and dust reduction. The preliminarily treated waste gas will be passed into the oil and gas purification electric field equipment; the oil and gas purification electric field equipment will make larger pollutant molecules, oil, etc. Decomposition occurs, and active free radicals such as hydroxyl (-OH) and active oxygen (-O) produced at the same time, andO3 chemically react with harmful gas molecules, degrading pollutants with larger molecules into small molecular substances;
2)初步除尘后的有机废气进入所述前端喷淋塔，前端喷淋塔通过喷淋将有机废气中的粉尘颗粒物固定在喷淋液中；2) The organic waste gas after preliminary dedusting enters the front-end spray tower, and the front-end spray tower fixes the dust particles in the organic waste gas in the spray liquid by spraying;
3)再次除尘后的有机废气通过风管进入所述光氧裂解柜，有机废气经过光氧裂解柜入口的防尘滤湿网进一步除尘滤湿，高能紫外线灯组模块将有机废气大分子断链，臭氧供给模块对断链后的小分子废气进一步氧化，TiO2催化网参与催化，有机废气被分解为CO2、H2O、硫的氧化物、氮的氧化物；3) The organic waste gas after dust removal again enters the photo-oxygen pyrolysis cabinet through the air duct, and the organic waste gas passes through the dust-proof filter and humidity filter at the entrance of the photo-oxygen pyrolysis cabinet for further dust and moisture removal, and the high-energy ultraviolet lamp group module breaks the organic waste gas macromolecules , the ozone supply module further oxidizes the small molecule waste gas after the broken chain, the TiO2 catalytic network participates in the catalysis, and the organic waste gas is decomposed into CO2 , H2 O, sulfur oxides, and nitrogen oxides;
4)在第3)步处理过程中，安装在光氧裂解柜入口处的废气浓度检测传感器将实时检测废气浓度并将信号反馈给单片机控制系统，单片机控制系统根据输入信号判断相应浓度范围并启用自主优化设计的控制程序来控制高能紫外线灯组模块、臭氧供给模块有规律的组合开、关，实现对有机废气的节能高效处理；4) In the process of step 3), the exhaust gas concentration detection sensor installed at the entrance of the photo-oxygen cracking cabinet will detect the exhaust gas concentration in real time and feed back the signal to the single-chip microcomputer control system. The single-chip microcomputer control system judges the corresponding concentration range according to the input signal and activates it. The self-optimized control program is used to control the regular combination of high-energy ultraviolet lamp module and ozone supply module to turn on and off, so as to realize energy-saving and efficient treatment of organic waste gas;
5)经处理后的气体在所述负压式引风机的作用下进入所述干法烟气综合处理罐实现硫、氮氧化物的固定，在干法烟气综合处理罐的排气口安装的臭氧过滤网将整套系统中生成的未消耗的臭氧还原为氧气。5) The treated gas enters the dry-process flue gas comprehensive treatment tank under the action of the negative pressure induced draft fan to realize the fixation of sulfur and nitrogen oxides, and is installed at the exhaust port of the dry-process flue gas comprehensive treatment tank The ozone filter reduces the unconsumed ozone generated in the whole system to oxygen.
6)如处理后的气体浓度达不到系统设定的最低废气浓度排放标准，通过在最后排气口之前的位置的三通电磁开关阀，智能控制柜会控制三通电磁开关阀将气体排入大气一侧的管道开关封闭，从而使未处理达标的气体通过管道再次输送给到前段处理设备再次处理，直到后置废气浓度检测传感器的检测数值满足系统设定的浓度标准值，智能控制柜才会控制三通电磁开关阀打开气体排入大气的管道开关，所述臭氧过滤网之后安装的后置废气浓度检测传感器检测气体，所述单片机控制系统记录下此气体组分，下一次进行同样成分的尾气处理时智能控制柜里的单片机控制系统控制高能紫外线灯组模块和臭氧供给模块，每组开启的灯管的形状根据相应的浓度等级的上一级排布，最终实现有机废气处理后的超净排放。6) If the gas concentration after treatment does not meet the minimum exhaust gas concentration discharge standard set by the system, the intelligent control cabinet will control the three-way electromagnetic switch valve to discharge the gas through the three-way electromagnetic switch valve at the position before the final exhaust port. The pipeline switch on the side entering the atmosphere is closed, so that the untreated gas that reaches the standard is transported through the pipeline to the front-end processing equipment for further processing until the detection value of the rear exhaust gas concentration detection sensor meets the concentration standard value set by the system. The intelligent control cabinet Only then will the three-way electromagnetic switch valve be controlled to open the pipeline switch that the gas is discharged into the atmosphere, and the rear exhaust gas concentration detection sensor installed behind the ozone filter screen will detect the gas, and the single-chip microcomputer control system will record this gas component, and the same will be carried out next time. The single-chip microcomputer control system in the intelligent control cabinet controls the high-energy ultraviolet lamp group module and the ozone supply module during the exhaust gas treatment of the components. ultra-clean emissions.
本发明的具体工艺流程为：首先利用自主设计的旋风除雾降尘冷却器对工厂排放的废气进行除雾和降尘操作，同时流经旋风除雾降尘冷却器的废气会冷却，以利于后面对废气的处理，经过初步处理的废气会通入油气净化电场设备中，油气净化电场设备在高电压下产生的高能电子、离子、激发态粒子和具有强氧化性的自由基与废气中的污染物发生相互作用，使较大的污染物分子、油液等在极短的时间发生分解，同时产生的大量氢氧基(-OH)与活性氧(-O)等活性自由基和氧化性极强的O3，与有害气体分子发生化学反应，首先将分子较大的污染物降解为小分子物质等待后续装置进一步处理，接着利用喷淋塔将橡胶厂废气中的的剩余颗粒物去除，然后进入智能高效光氧裂解柜，自主优化设计的控制程序通过本智能高效光氧裂解柜入口处检测污染物浓度的传感器的反馈信号，控制紫外线灯管、高能离子管的有规律的组合开关，同时在TiO2催化网的催化作用下对有机废气的大分子进行更为高效的破坏并氧化，之后在智能高效光氧裂解柜出风口引风机形成的的负压作用下进入干法烟气综合处理罐中，将硫的氧化物固定下来，避免传统喷淋法造成的硫的氧化物的外泄，在干法烟气综合处理罐的排气口安装有臭氧过滤网能将整套系统中生成的未消耗的臭氧还原为氧气，保证了臭氧的零排放，最后经过整套系统处理的干净气体排入大气中。The specific technological process of the present invention is as follows: firstly, the self-designed cyclone demisting and dust-reducing cooler is used to demist and dust-reduce the waste gas discharged from the factory, and at the same time, the waste gas flowing through the cyclone demisting and dust-reducing cooler will be cooled to facilitate the following Waste gas treatment, the preliminary treated waste gas will be passed into the oil and gas purification electric field equipment, the high energy electrons, ions, excited state particles and strong oxidizing free radicals generated by the oil and gas purification electric field equipment under high voltage and the pollutants in the exhaust gas Interaction occurs to decompose larger pollutant molecules, oil, etc. in a very short time, and at the same time, a large number of active free radicals such as hydroxyl groups (-OH) and active oxygen (-O) are generated and have strong oxidative properties O3 , chemically reacts with harmful gas molecules, firstly degrades the pollutants with larger molecules into small molecules for further processing by subsequent devices, and then uses the spray tower to remove the remaining particles in the exhaust gas of the rubber factory, and then enters the intelligent High-efficiency photo-oxygen pyrolysis cabinet, the self-optimized control program controls the regular combined switch of ultraviolet lamps and high-energy ion tubes through the feedback signal of the sensor that detects the concentration of pollutants at the entrance of this intelligent high-efficiency photo-oxygen pyrolysis cabinet.2 Under the catalytic effect of the catalytic net, the macromolecules of the organic waste gas are more efficiently destroyed and oxidized, and then enter the dry flue gas comprehensive treatment tank under the negative pressure formed by the induced draft fan at the air outlet of the intelligent high-efficiency photo-oxygen cracking cabinet , fix the sulfur oxides, avoid the leakage of sulfur oxides caused by the traditional spraying method, and install an ozone filter at the exhaust port of the dry flue gas comprehensive treatment tank, which can remove the unconsumed gas generated in the whole system The ozone is reduced to oxygen, which ensures the zero emission of ozone, and finally the clean gas processed by the whole system is discharged into the atmosphere.
和现有技术相比，本方案基于智能控制的构思，单片机控制系统通过光氧裂解柜入口处检测污染物浓度的传感器的反馈信号，控制灯组模块的有规律的组合开、关，实现对有机废气的节能高效处理。此外，经处理后的气体在引风机的作用下进入干法烟气综合处理罐中，将硫的氧化物固定下来，避免传统喷淋法造成的硫的氧化物的外泄，在干法烟气综合处理罐的排气口安装有臭氧过滤网能将整套系统中生成的未消耗的臭氧还原为氧气，保证了臭氧的零排放，将处理干净气体排入大气中。利用自主设计的旋风除雾降尘冷却器对工厂排放的废气进行除雾和降尘操作，同时流经旋风除雾降尘冷却器的废气会冷却，以利于后面对废气的处理，经过初步处理的废气通入油气净化电场设备中，油气净化电场设备在高电压下产生的高能电子、离子、激发态粒子和具有强氧化性的自由基与废气中的污染物发生相互作用，使较大的污染物分子、油液等在极短的时间发生分解，同时产生的大量氢氧基(-OH)与活性氧(-O)等活性自由基和氧化性极强的O3，与有害气体分子发生化学反应，首先将分子较大的污染物降解为小分子物质等待后续装置进一步处理，采用前端喷淋塔将工厂有机废气中的粉尘颗粒物通过喷淋固定在喷淋液中，进行初步进一步除尘。本方案有利于延长灯组模块的使用寿命，提高有机废气处理效果。通过实验研究发现可将灯组模块的使用寿命延长35％，有机废气处理效果提升26％。Compared with the existing technology, this scheme is based on the concept of intelligent control. The single-chip microcomputer control system controls the regular combination of on and off of the light group modules through the feedback signal of the sensor that detects the concentration of pollutants at the entrance of the photo-oxygen cracking cabinet. Energy-saving and efficient treatment of organic waste gas. In addition, the treated gas enters the dry flue gas comprehensive treatment tank under the action of the induced draft fan to fix the sulfur oxides and avoid the leakage of sulfur oxides caused by the traditional spraying method. The exhaust port of the gas comprehensive treatment tank is equipped with an ozone filter, which can reduce the unconsumed ozone generated in the whole system to oxygen, ensuring zero emission of ozone, and discharging the treated clean gas into the atmosphere. The self-designed cyclone defogging and dust-reducing cooler is used to demist and dust-reduce the exhaust gas discharged from the factory. At the same time, the exhaust gas flowing through the cyclone defogging and dust-reducing cooler will be cooled to facilitate the subsequent treatment of the exhaust gas. The exhaust gas after preliminary treatment Passed into the oil and gas purification electric field equipment, the high energy electrons, ions, excited state particles and strong oxidizing free radicals generated by the oil and gas purification electric field equipment under high voltage interact with the pollutants in the exhaust gas, making the larger pollutants Molecules, oil, etc. are decomposed in a very short time, and at the same time, a large number of active free radicals such as hydroxyl groups (-OH) and active oxygen (-O) and O3 with strong oxidizing properties are generated, which chemically react with harmful gas molecules. Reaction, first degrade the pollutants with larger molecules into small molecules and wait for further treatment by the follow-up device. The front-end spray tower is used to fix the dust particles in the organic waste gas of the factory in the spray liquid through spraying for preliminary further dust removal. This solution is beneficial to prolong the service life of the lamp group module and improve the treatment effect of organic waste gas. Through experimental research, it is found that the service life of the lamp module can be extended by 35%, and the treatment effect of organic waste gas can be improved by 26%.
基于上述方案，本发明还做出了如下改进：Based on the above scheme, the present invention also makes the following improvements:
利用自主设计的旋风除雾降尘冷却器对工厂排放的废气进行除雾和降尘操作，同时流经旋风除雾降尘冷却器的废气会冷却，以利于后面对废气的处理，经过初步处理的废气会通入油气净化电场设备中，油气净化电场设备在高电压下产生的高能电子、离子、激发态粒子和具有强氧化性的自由基与废气中的污染物发生相互作用，使较大的污染物分子、油液等在极短的时间发生分解，同时产生的大量氢氧基(-OH)与活性氧(-O)等活性自由基和氧化性极强的O3，与有害气体分子发生化学反应，首先将分子较大的污染物降解为小分子物质等待后续装置进一步处理。The self-designed cyclone defogging and dust-reducing cooler is used to demist and dust-reduce the exhaust gas discharged from the factory. At the same time, the exhaust gas flowing through the cyclone defogging and dust-reducing cooler will be cooled to facilitate the subsequent treatment of the exhaust gas. The exhaust gas after preliminary treatment It will be connected to the oil and gas purification electric field equipment, and the high-energy electrons, ions, excited state particles and strong oxidizing free radicals generated by the oil and gas purification electric field equipment under high voltage will interact with the pollutants in the exhaust gas, causing greater pollution Molecules, oil, etc. are decomposed in a very short time, and at the same time, a large number of active free radicals such as hydroxyl groups (-OH) and active oxygen (-O) and highly oxidizing O3 are generated, which will react with harmful gas molecules The chemical reaction first degrades the pollutants with larger molecules into small molecular substances to be further processed by subsequent devices.
所述高能紫外线灯组模块和臭氧供给模块灯管开启的灯管布局遵循空间分布均匀性原则。本改进方案中通过光氧裂解柜入口处检测废气浓度的传感器的反馈信号，利用单片机自主优化设计的控制程序控制紫外线灯管、高能离子管的有规律的组合开、关。灯管的开启遵循空间分布均匀性的原则是为了保证反应的均匀性。The lamp tube layout of the high-energy ultraviolet lamp group module and the ozone supply module lamp tube opening follows the principle of spatial distribution uniformity. In this improvement plan, the feedback signal of the sensor that detects the concentration of exhaust gas at the entrance of the photo-oxygen cracking cabinet is used, and the control program independently optimized and designed by the single-chip microcomputer is used to control the regular combination of the ultraviolet lamp and the high-energy ion tube. The opening of the lamp follows the principle of spatial distribution uniformity to ensure the uniformity of the reaction.
所述高能紫外线灯组模块包括4组、臭氧供给模块包括3组，每组灯组包含4个灯管，控制灯管开启方法为：The high-energy ultraviolet lamp group module includes 4 groups, the ozone supply module includes 3 groups, each group of lamp groups contains 4 lamp tubes, and the method for controlling the opening of the lamp tubes is as follows:
当废气浓度为0-150mg/m3，高能紫外线灯组模块中，每组仅开启1个灯管，且所有组开启的灯管开启的灯管位置均不相同，整体成“W”或“M”型排布；臭氧供给模块中，仅开启第一组和第三组中间1个灯管，开启的灯管位置交错排布；When the exhaust gas concentration is 0-150mg/m3 , in the high-energy ultraviolet lamp group module, only one lamp tube is turned on in each group, and the positions of the lamp tubes turned on in all groups are different, and the overall shape is "W" or "M" type arrangement; in the ozone supply module, only one lamp tube in the middle of the first group and the third group is turned on, and the positions of the turned on lamp tubes are arranged in a staggered manner;
当废气浓度为150-200mg/m3,高能紫外线灯组模块中，每组开启2个灯管，整体成“>”和“<”交错排布；臭氧供给模块中，开启第一组和第二组中的2个灯管，开启的灯管位置“>”或“<”型；When the exhaust gas concentration is 150-200mg/m3 , in the high-energy ultraviolet lamp group module, each group turns on 2 lamp tubes, and the whole is arranged in a staggered pattern of ">" and "<"; in the ozone supply module, the first group and the second group are turned on. 2 lamps in the second group, the position of the turned on lamp is ">" or "<"type;
当废气浓度为200-250mg/m3,高能紫外线灯组模块中，第一组和第三组灯管全部开启，第二组和第四组均开启2个灯管且灯管交错排布；臭氧供给模块中，每组均开启2个灯管，整体成“>”和“<”交错排布；When the exhaust gas concentration is 200-250mg/m3 , in the high-energy ultraviolet lamp group module, the first and third groups of lamps are all turned on, and the second and fourth groups both turn on two lamps and the lamps are arranged in a staggered manner; In the ozone supply module, each group turns on 2 lamp tubes, and the whole is arranged in a staggered manner of ">" and "<";
当废气浓度为250mg/m3以上，高能紫外线灯组模块所有灯管均开启；臭氧供给模块中，第一组灯管全部开启，第二组和第三组灯管均开启2个灯管，第二、三组灯管排布呈“>”或“<”型。When the exhaust gas concentration isabove 250mg/m3, all the lamps of the high-energy ultraviolet lamp group module are turned on; in the ozone supply module, the first group of lamps are all turned on, and the second and third groups of lamps are both turned on. The second and third groups of lamp tubes are arranged in the shape of ">" or "<".
所述光氧裂解柜入口处设有可更换式防尘滤湿网。本改进方案中采用可更换式防尘滤湿网，对废气进一步除尘滤湿，保护光氧裂解柜，避免过大的湿气引起灯组模块的意外放电，保证光氧裂解柜适宜的工作环境。The entrance of the photo-oxygen cracking cabinet is provided with a replaceable dust-proof and moisture-filtering net. In this improvement plan, a replaceable dust-proof filter and wet filter is used to further remove dust and filter moisture from the exhaust gas, protect the photo-oxygen cracking cabinet, avoid excessive moisture from causing accidental discharge of the lamp group module, and ensure a suitable working environment for the photo-oxygen cracking cabinet .
所述灯组模块的之间均匀分布有TiO2催化网，TiO2催化网参与催化，有机废气被分解为CO2、H2O、硫的氧化物、氮的氧化物。本改进方案中在TiO2催化网的催化作用下对有机废气的大分子进行更为高效的破坏并氧化，提高效率。TiO2 catalytic nets are evenly distributed between the lamp group modules, and the TiO2 catalytic nets participate in the catalysis, and the organic waste gas is decomposed into CO2 , H2 O, sulfur oxides, and nitrogen oxides. In this improvement scheme, the macromolecules of the organic waste gas are more efficiently destroyed and oxidized under the catalytic action of the TiO2 catalytic network, and the efficiency is improved.
所述引风机为负压式引风机。本改进方案中整套装置的气体流动动力由负压式引风机提供，由于负压的存在，保证光氧裂解柜乃至整套装置中未经处理的有机废气不会外泄，造成环境的污染。The induced draft fan is a negative pressure induced draft fan. The gas flow power of the whole device in this improvement plan is provided by a negative pressure induced draft fan. Due to the existence of negative pressure, it is guaranteed that the untreated organic waste gas in the photo-oxygen cracking cabinet and even the whole device will not leak out, causing environmental pollution.
最后进入干法烟气综合处理罐中的废气，将硫的氧化物固定下来，避免传统喷淋法造成的硫的氧化物的外泄，在干法烟气综合处理罐的排气口安装有臭氧过滤网能将整套系统中生成的未消耗的臭氧还原为氧气，保证了臭氧的零排放，最后经过整套系统处理的干净气体排入大气中。Finally, the exhaust gas enters the dry flue gas comprehensive treatment tank to fix the sulfur oxides and avoid the leakage of sulfur oxides caused by the traditional spraying method. The ozone filter can reduce the unconsumed ozone generated in the whole system to oxygen, which ensures the zero emission of ozone, and finally the clean gas processed by the whole system is discharged into the atmosphere.
附图说明Description of drawings
图1本发明中所包含的设备立体结构图Fig. 1 three-dimensional structure diagram of equipment included in the present invention
图2本发明光氧裂解柜箱体内部立体结构图Fig. 2 internal three-dimensional structural diagram of photo-oxygen cracking cabinet of the present invention
图3本发明高能紫外线灯组模块立体结构图Fig. 3 three-dimensional structural diagram of the high-energy ultraviolet lamp group module of the present invention
图4本发明的高能紫外线灯组模块和臭氧供给模块灯组结构图Fig. 4 structure diagram of high-energy ultraviolet lamp group module and ozone supply module lamp group of the present invention
图中：1-旋风除雾降尘冷却器，2-油气净化电场设备，3-前端喷淋塔，4-废气浓度检测传感器，5-光氧裂解柜，6-防尘滤湿网，7-高能紫外线灯组模块，8-臭氧供给模块，9-TiO2催化网，10-智能控制柜，11-负压式引风机，12-干法烟气综合处理罐，13-臭氧过滤网，14-后置废气浓度检测传感器，15-三通电磁开关阀。In the figure: 1-cyclone demisting dust cooler, 2-oil gas purification electric field equipment, 3-front spray tower, 4-exhaust gas concentration detection sensor, 5-photooxygen cracking cabinet, 6-dust-proof filter, 7- High-energy ultraviolet lamp group module, 8-ozone supply module, 9-TiO2 catalytic net, 10-intelligent control cabinet, 11-negative pressure induced draft fan, 12-dry flue gas comprehensive treatment tank, 13-ozone filter, 14 -Rear exhaust gas concentration detection sensor, 15-three-way electromagnetic switch valve.
具体实施方式Detailed ways
下面结合附图对本发明的具体实施作进一步描述。The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.
一种基于挥发油气净化技术的尾气光氧裂解处理方法，包括，A tail gas photooxygen cracking treatment method based on volatile oil and gas purification technology, comprising:
一种用于橡胶厂的废气处理装置，包括旋风除雾降尘冷却器1、油气净化电场设备2、前端喷淋塔3、废气浓度检测传感器4、光氧裂解柜5、防尘滤湿网6、高能紫外线灯组模块7、臭氧供给模块8、TiO2催化网9、单片机控制系统、负压式引风机11、干法烟气综合处理罐12、臭氧过滤网13；旋风除雾降尘冷却器1的进气口和排气口与工厂排气口和油气净化电场设备2分别连接，油气净化电场设备2排气口与前端喷淋塔3相连，前端喷淋塔3与光氧裂解柜5通过风管连接，废气浓度检测传感器4安装在光氧裂解柜5入口处，防尘滤湿网6安装在光氧裂解柜5入口处的插槽内，高能紫外线灯组模块7按一定数量和间距安装于光氧裂解柜5内，臭氧供给模块8按一定数量和间距安装于光氧裂解柜5内并且处于高能紫外线灯组模块7的后端，TiO2催化网9均匀安装于各高能紫外线灯组模块7之间以及各臭氧供给模块8之间，单片机控制系统安装于光氧裂解柜5智能控制柜中，负压式引风机11安装于光氧裂解柜5出风口处并且负压式引风机11的出风口接入干法烟气综合处理罐12，在干法烟气综合处理罐12的排气口处安装有臭氧过滤网13，所述臭氧过滤网13之后安装有后置废气浓度检测传感器14，在最后排气口之前的位置安装有三通电磁开关阀15，三通电磁开关阀15连接的气管与旋风除雾降尘冷却器1的出气口管道侧边相连，如处理后的气体浓度达不到系统设定的最低废气浓度排放标准，则智能控制柜10会控制三通电磁开关阀15将气体排入大气一侧的管道开关封闭，从而使未处理达标的气体通过管道再次输送给到前段处理设备再次处理，直到后置废气浓度检测传感器14的检测数值满足系统设定的浓度标准值，智能控制柜10才会控制三通电磁开关阀15打开气体排入大气的管道开关，所述智能控制柜10中的单片机控制系统同时记录下此气体组分，下一次进行同样成分的尾气处理时智能控制柜10里的单片机控制系统控制高能紫外线灯组模块7和臭氧供给模块8，每组开启的灯管的形状根据相应的浓度等级的上一级排布，以此类推，直到最高浓度等级为止。An exhaust gas treatment device for a rubber factory, including a cyclone defogging and dust-reducing cooler 1, oil and gas purification electric field equipment 2, a front-end spray tower 3, an exhaust gas concentration detection sensor 4, a photo-oxygen cracking cabinet 5, and a dust-proof and wet filter screen 6 , high-energy ultraviolet light group module 7, ozone supply module 8, TiO2 catalytic net 9, single-chip microcomputer control system, negative pressure induced draft fan 11, dry flue gas comprehensive treatment tank 12, ozone filter screen 13; cyclone demist and dust reduction cooler The air inlet and exhaust port of 1 are respectively connected to the factory exhaust port and the oil gas purification electric field equipment 2, the exhaust port of the oil gas purification electric field equipment 2 is connected to the front spray tower 3, and the front spray tower 3 is connected to the photo-oxygen cracking cabinet 5 Connected through the air duct, the exhaust gas concentration detection sensor 4 is installed at the entrance of the photo-oxygen cracking cabinet 5, the dust-proof wet filter 6 is installed in the slot at the entrance of the photo-oxygen cracking cabinet 5, and the high-energy ultraviolet lamp group module 7 is arranged according to a certain number and The spacing is installed in the photo-oxygen cracking cabinet 5, the ozone supply module 8 is installed in the photo-oxygen cracking cabinet 5 according to a certain number and spacing and is at the rear end of the high-energy ultraviolet lamp group module 7, and the TiO2 catalytic net 9 is evenly installed in each high-energy ultraviolet light. Between the lamp group modules 7 and between the ozone supply modules 8, the single-chip microcomputer control system is installed in the intelligent control cabinet of the photo-oxygen cracking cabinet 5, and the negative pressure induced draft fan 11 is installed at the air outlet of the photo-oxygen cracking cabinet 5 and the negative pressure type The air outlet of the induced draft fan 11 is connected to the dry flue gas comprehensive treatment tank 12, and an ozone filter 13 is installed at the exhaust port of the dry flue gas comprehensive treatment tank 12, and a rear exhaust gas is installed behind the ozone filter 13. The concentration detection sensor 14 is equipped with a three-way electromagnetic switch valve 15 at the position before the final exhaust port, and the air pipe connected by the three-way electromagnetic switch valve 15 is connected with the side of the air outlet pipeline of the cyclone demist and dust fall cooler 1, such as processed If the gas concentration does not reach the minimum exhaust gas concentration discharge standard set by the system, the intelligent control cabinet 10 will control the three-way electromagnetic switch valve 15 to discharge the gas into the atmosphere. It is sent to the front-end processing equipment for further processing, and the intelligent control cabinet 10 will control the three-way electromagnetic switch valve 15 to open the pipeline switch for the gas to be discharged into the atmosphere until the detection value of the rear exhaust gas concentration detection sensor 14 meets the concentration standard value set by the system , the single-chip microcomputer control system in the intelligent control cabinet 10 records the gas components at the same time, and the single-chip microcomputer control system in the intelligent control cabinet 10 controls the high-energy ultraviolet lamp group module 7 and the ozone supply module 8 when the tail gas treatment of the same composition is carried out next time , the shape of each group of turned-on lamp tubes is arranged according to the upper level of the corresponding concentration level, and so on until the highest concentration level.
如图1、2、3、4所示，本发明一种用于橡胶厂的废气处理装置的工作方式是：工厂有机废气进入自主设计的旋风除雾降尘冷却器1对工厂排放的废气进行除雾和降尘操作，同时流经旋风除雾降尘冷却器1的废气会冷却，以利于后面对废气的处理，经过初步处理的废气会通入油气净化电场设备2中，油气净化电场设备2在高电压下产生的高能电子、离子、激发态粒子和具有强氧化性的自由基与废气中的污染物发生相互作用，使较大的污染物分子、油液等在极短的时间发生分解，同时产生的大量氢氧基(-OH)与活性氧(-O)等活性自由基和氧化性极强的O3，与有害气体分子发生化学反应，首先将分子较大的污染物降解为小分子物质等待后续装置进一步处理，前端喷淋塔3将初步处理的工厂有机废气中的粉尘颗粒物通过喷淋固定在喷淋液中，然后经过再次除尘后的有机废气通过风管进入高效光氧裂解柜箱体5，有机废气依次经过防尘滤湿网6的进一步除尘滤湿作用，高能紫外线灯组模块7对有机废气大分子的断链作用，臭氧供给模块8对断链后的小分子废气的进一步氧化作用以及在这个过程中TiO2催化网9参与的催化作用，有机废气基本被分解为CO2、H2O、硫的氧化物、氮的氧化物等，在处理过程中安装在高效光氧裂解柜箱体5入口处的废气浓度检测传感器4会实时检测污染物浓度并将信号反馈给单片机控制系统，单片机控制系统根据输入信号判断相应浓度范围并启用自主优化设计的控制程序来控制高能紫外线灯组模块7、臭氧供给模块8有规律的组合开关实现对有机废气的节能高效处理，经处理后的气体在负压式引风机11的作用下进入干法烟气综合处理罐12实现硫、氮氧化物的固定，在干法烟气综合处理罐12的排气口安装有臭氧过滤网13能将整套系统中生成的未消耗的臭氧还原为氧气，保证了臭氧的零排放，最后实现有机废气处理后的超净排放。As shown in Figures 1, 2, 3, and 4, the working method of a waste gas treatment device used in a rubber factory in the present invention is: the organic waste gas of the factory enters the self-designed cyclone demisting and dust-reducing cooler 1 to remove the waste gas discharged from the factory. Fog and dust reduction operations, while the exhaust gas flowing through the cyclone demisting dust cooler 1 will be cooled to facilitate the treatment of the exhaust gas later, the exhaust gas after preliminary treatment will be passed into the oil and gas purification electric field equipment 2, and the oil and gas purification electric field equipment 2 is in the The high-energy electrons, ions, excited particles and strong oxidizing free radicals generated under high voltage interact with the pollutants in the exhaust gas, causing larger pollutant molecules, oil, etc. to decompose in a very short time, At the same time, a large number of active free radicals such as hydroxyl groups (-OH) and active oxygen (-O) and highly oxidizing O3 are produced, which chemically react with harmful gas molecules, and first degrade the pollutants with larger molecules into smaller ones. Molecular substances wait for further processing by the follow-up device. The front-end spray tower 3 fixes the dust particles in the organic waste gas of the factory that have been preliminarily treated in the spray liquid through spraying, and then the organic waste gas after dust removal again enters the high-efficiency photo-oxygen cracking through the air duct The cabinet body 5, the organic waste gas passes through the dust-proof and wet filter net 6 in order to further remove dust and filter moisture, the high-energy ultraviolet lamp group module 7 has a chain-breaking effect on the macromolecules of the organic waste gas, and the ozone supply module 8 is on the small-molecule waste gas after chain breaking The further oxidation and the catalytic effect of TiO2 catalytic network 9 in this process, the organic waste gas is basically decomposed into CO2 , H2 O, sulfur oxides, nitrogen oxides, etc., installed in a high-efficiency The exhaust gas concentration detection sensor 4 at the entrance of the photo-oxygen cracking cabinet box 5 will detect the concentration of pollutants in real time and feed back the signal to the single-chip control system. The single-chip control system judges the corresponding concentration range according to the input signal and uses the self-optimized control program to control The high-energy ultraviolet lamp group module 7 and the ozone supply module 8 are regularly combined and switched to realize energy-saving and efficient treatment of organic waste gas. For the fixation of sulfur and nitrogen oxides, an ozone filter 13 is installed at the exhaust port of the dry flue gas comprehensive treatment tank 12, which can reduce the unconsumed ozone generated in the whole system to oxygen, ensuring zero discharge of ozone, and finally Realize ultra-clean emission after organic waste gas treatment.
1)工厂有机废气进入所述旋风除雾降尘冷却器从而进行除雾和降尘，经过初步处理的废气会通入油气净化电场设备中；油气净化电场设备使较大的污染物分子、油液等发生分解，同时产生的氢氧基(-OH)与活性氧(-O)等活性自由基和O3与有害气体分子发生化学反应，将分子较大的污染物降解为小分子物质；1) The organic waste gas from the factory enters the cyclone demisting and dedusting cooler for demisting and dust reduction. The preliminarily treated waste gas will be passed into the oil and gas purification electric field equipment; the oil and gas purification electric field equipment will make larger pollutant molecules, oil, etc. Decomposition occurs, and active free radicals such as hydroxyl (-OH) and active oxygen (-O) produced at the same time, andO3 chemically react with harmful gas molecules, degrading pollutants with larger molecules into small molecular substances;
2)初步除尘后的有机废气进入所述前端喷淋塔1，前端喷淋塔1通过喷淋将有机废气中的粉尘颗粒物固定在喷淋液中；2) The organic waste gas after preliminary dedusting enters the front-end spray tower 1, and the front-end spray tower 1 fixes the dust particles in the organic waste gas in the spray liquid by spraying;
3)再次除尘后的有机废气通过风管进入所述光氧裂解柜3，有机废气经过光氧裂解柜3入口的防尘滤湿网4进一步除尘滤湿，高能紫外线灯组模块5将有机废气大分子断链，臭氧供给模块6对断链后的小分子废气进一步氧化；3) The organic waste gas after dedusting again enters the photo-oxygen pyrolysis cabinet 3 through the air duct, and the organic waste gas passes through the dust-proof filter and humidity filter 4 at the entrance of the photo-oxygen pyrolysis cabinet 3 to further remove dust and filter moisture, and the high-energy ultraviolet lamp group module 5 converts the organic waste gas The macromolecular chain is broken, and the ozone supply module 6 further oxidizes the small molecule waste gas after the chain breaking;
4)在第3)步处理过程中，安装在光氧裂解柜入口处的废气浓度检测传感器2将实时检测废气浓度并将信号反馈给单片机控制系统，单片机控制系统根据输入信号判断相应浓度范围并启用自主优化设计的控制程序来控制高能紫外线灯组模块5、臭氧供给模块6有规律的组合开、关，实现对有机废气的节能高效处理；4) In the process of step 3), the exhaust gas concentration detection sensor 2 installed at the entrance of the photo-oxygen cracking cabinet will detect the exhaust gas concentration in real time and feed back the signal to the single-chip microcomputer control system. The single-chip microcomputer control system judges the corresponding concentration range according to the input signal and Use the self-optimized control program to control the regular combination of high-energy ultraviolet lamp module 5 and ozone supply module 6 to turn on and off, so as to realize energy-saving and efficient treatment of organic waste gas;
5)经处理后的气体在所述引风机9的作用下进入所述干法烟气综合处理罐10实现硫、氮氧化物的固定，在干法烟气综合处理罐的排气口安装的臭氧过滤网将整套系统中生成的未消耗的臭氧还原为氧气；5) The treated gas enters the dry flue gas comprehensive treatment tank 10 under the action of the induced draft fan 9 to realize the fixation of sulfur and nitrogen oxides, and is installed at the exhaust port of the dry flue gas comprehensive treatment tank The ozone filter reduces the unconsumed ozone generated in the whole system to oxygen;
6)如处理后的气体浓度达不到系统设定的最低废气浓度排放标准，通过在最后排气口之前的位置的三通电磁开关阀15，智能控制柜10会控制三通电磁开关阀15将气体排入大气一侧的管道开关封闭，从而使未处理达标的气体通过管道再次输送给到前段处理设备再次处理，直到后置废气浓度检测传感器14的检测数值满足系统设定的浓度标准值，智能控制柜10才会控制三通电磁开关阀15打开气体排入大气的管道开关，所述臭氧过滤网13之后安装的后置废气浓度检测传感器14检测气体，所述单片机控制系统记录下此气体组分，下一次进行同样成分的尾气处理时智能控制柜10里的单片机控制系统控制高能紫外线灯组模块7和臭氧供给模块8，每组开启的灯管的形状根据相应的浓度等级的上一级排布，最终实现有机废气处理后的超净排放。6) If the gas concentration after treatment does not reach the minimum exhaust gas concentration discharge standard set by the system, the intelligent control cabinet 10 will control the three-way electromagnetic switch valve 15 through the three-way electromagnetic switch valve 15 at the position before the final exhaust port. The pipeline switch on the side where the gas is discharged into the atmosphere is closed, so that the untreated gas that reaches the standard is sent to the front-end processing equipment through the pipeline for further processing, until the detection value of the rear exhaust gas concentration detection sensor 14 meets the concentration standard value set by the system , the intelligent control cabinet 10 will control the three-way electromagnetic switch valve 15 to open the pipeline switch for the gas to be discharged into the atmosphere, and the rear exhaust gas concentration detection sensor 14 installed behind the ozone filter 13 detects the gas, and the single-chip microcomputer control system records this Gas components, the next time the exhaust gas treatment of the same composition is carried out, the single-chip microcomputer control system in the intelligent control cabinet 10 controls the high-energy ultraviolet lamp group module 7 and the ozone supply module 8, and the shape of each group of turned-on lamp tubes depends on the corresponding concentration level. The first-level arrangement finally realizes the ultra-clean emission after organic waste gas treatment.
如图2、3所示，其中，所述第4)步中高能紫外线灯组模块包括4组、臭氧供给模块包括3组，每组灯组包含4个灯管，控制灯管开启方法为：As shown in Figures 2 and 3, wherein, the high-energy ultraviolet lamp group module in the 4th step includes 4 groups, the ozone supply module includes 3 groups, and each group of lamp groups includes 4 lamp tubes, and the method for controlling the lamp tube opening is:
当废气浓度为0-150mg/m3；高能紫外线灯组模块中，每组仅开启1个灯管，且所有组开启的灯管开启的灯管位置均不相同，整体成“W”或“M”型排布；臭氧供给模块中，仅开启第一组和第三组中间1个灯管，开启的灯管位置交错排布；When the exhaust gas concentration is 0-150mg/m3 ; in the high-energy ultraviolet lamp group module, only one lamp tube is turned on in each group, and the positions of the lamp tubes turned on in all groups are different, and the overall shape is "W" or "M" type arrangement; in the ozone supply module, only one lamp tube in the middle of the first group and the third group is turned on, and the positions of the turned on lamp tubes are arranged in a staggered manner;
当废气浓度为150-200mg/m3,高能紫外线灯组模块中，每组开启2个灯管，整体成“>”和“<”交错排布；臭氧供给模块中，开启第一组和第二组中的2个灯管，开启的灯管位置“>”或“<”型；When the exhaust gas concentration is 150-200mg/m3 , in the high-energy ultraviolet lamp group module, each group turns on 2 lamp tubes, and the whole is arranged in a staggered pattern of ">" and "<"; in the ozone supply module, the first group and the second group are turned on. 2 lamps in the second group, the position of the turned on lamp is ">" or "<"type;
当废气浓度为200-250mg/m3,高能紫外线灯组模块中，第一组和第三组灯管全部开启，第二组和第四组均开启2个灯管且灯管交错排布；臭氧供给模块中，每组均开启2个灯管，整体成“>”和“<”交错排布；When the exhaust gas concentration is 200-250mg/m3 , in the high-energy ultraviolet lamp group module, the first and third groups of lamps are all turned on, and the second and fourth groups both turn on two lamps and the lamps are arranged in a staggered manner; In the ozone supply module, each group turns on 2 lamp tubes, and the whole is arranged in a staggered manner of ">" and "<";
当废气浓度为250mg/m3以上，高能紫外线灯组模块所有灯管均开启；臭氧供给模块中，第一组灯管全部开启，第二组和第三组灯管均开启2个灯管，第二、三组灯管排布呈“>”或“<”型。如图1所示，高能紫外线灯组模块5、臭氧供给模块6的灯组模块之间设有TiO2催化网，TiO2催化网7参与催化，有机废气被分解为CO2、H2O、硫的氧化物、氮的氧化物。湿度影响TiO2催化网的催化效率，TiO2表面亲水,对水强烈吸附,当水含量增大时,水分子与甲苯分子在TiO2表面吸附竞争,阻碍甲苯分子在催化剂表面活性位的吸附,使得表面反应速率下降，因此，本实施例中通过除湿过滤网的设置，对废气进行滤湿处理。所述光氧裂解柜入口处设有可更换式防尘滤湿网。所述引风机为负压式引风机。When the exhaust gas concentration isabove 250mg/m3, all the lamps of the high-energy ultraviolet lamp group module are turned on; in the ozone supply module, the first group of lamps are all turned on, and the second and third groups of lamps are both turned on. The second and third groups of lamp tubes are arranged in the shape of ">" or "<". As shown in Figure 1, a TiO2 catalytic net is provided between the high-energy ultraviolet lamp module 5 and the lamp module of the ozone supply module 6, and the TiO2 catalytic net 7 participates in the catalysis, and the organic waste gas is decomposed into CO2 , H2 O, Sulfur oxides, nitrogen oxides. Humidity affects the catalytic efficiency of the TiO2 catalytic network. The surface of TiO2 is hydrophilic and strongly adsorbs water. When the water content increases, water molecules compete with the adsorption of toluene molecules on the surface of TiO2 , hindering the adsorption of toluene molecules on the active sites of the catalyst surface. , so that the surface reaction rate decreases. Therefore, in this embodiment, the exhaust gas is filtered through the setting of the dehumidification filter. The entrance of the photo-oxygen cracking cabinet is provided with a replaceable dust-proof and moisture-filtering net. The induced draft fan is a negative pressure induced draft fan.
以上实施方案仅用于说明而非限制本发明的技术方案。不脱离本发明精神的任何修改或局部替换，均应涵盖在本发明的权利要求范围当中。The above embodiments are only used to illustrate but not limit the technical solution of the present invention. Any modification or partial replacement that does not depart from the spirit of the present invention shall fall within the scope of the claims of the present invention.
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| CN201711266895.3ACN108096969B (en) | 2017-12-05 | 2017-12-05 | A tail gas photooxygen cracking treatment method based on volatile oil and gas purification technology |
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| CN201711266895.3ACN108096969B (en) | 2017-12-05 | 2017-12-05 | A tail gas photooxygen cracking treatment method based on volatile oil and gas purification technology |
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| CN201711266895.3AActiveCN108096969B (en) | 2017-12-05 | 2017-12-05 | A tail gas photooxygen cracking treatment method based on volatile oil and gas purification technology |
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