The quality of catalytic combustion equipment directly affects safe operation and purification efficiency
Release time:
2023-04-14 09:17
With the continuous deterioration of the environment, China also advocates environmental protection. The existing catalytic combustion equipment is not only environmentally friendly, but also recyclable, achieving the goal of energy conservation and environmental protection. The light exhaust gas purification and catalytic combustion device will not generate secondary pollution, making it an environmentally friendly equipment. So how did they achieve this effect? Photocatalytic oxidation occurs under the action of external visible light. Using semiconductors and air as catalysts and light as energy, the compound is degraded into components such as CO2 and H2O. A nano TiO2 catalyst that uses artificial ultraviolet light as energy source and has high activity and reaction efficiency after this treatment. After treatment, the odor of the exhaust gas can achieve an ideal purification effect. In the process of semiconductor photocatalytic oxidation, nano TiO2 catalysts absorb light energy and undergo electron and hole transitions under ultraviolet light irradiation, further combining to produce electron hole pairs. The catalytic combustion device reacts with water (H2O) and oxygen (O2) adsorbed on the waste gas surface to generate active hydroxyl radical and superoxide anion radicals, which can convert various waste gases, such as hydrocarbons, aldehydes, phenols, alcohols, mercapto groups, benzene, ammonia, etc. Through photocatalytic oxidation, nitrogen oxides, sulfides and other compounds and inorganic compound VOC are reduced to carbon dioxide (CO2), water (H2O) and other substances. At the same time, the odor has also disappeared, playing a role in purifying the exhaust gas and effectively removing viruses from the pipeline. As there are no additives in the photocatalytic oxidation process, there will be no secondary pollution. The operating cost is only electricity consumption, which often needs to be modified, and a considerable number of enterprises use energy-saving and environmental protection.
The optimization of catalytic combustion equipment selection lays the foundation for meeting emission standards. Due to the diverse composition of exhaust gas, the quality of catalytic combustion equipment directly affects its operation and purification efficiency. So, environmental compliance and emissions are the principles. The functionality of all catalytic combustion equipment is not the same, and the target of purification is targeted. Therefore, the exhaust gas contains compounds such as particulate matter, halogen exhaust gas, and heavy metals, which can interfere with catalytic combustion equipment and even damage the purification effect. So, before entering the catalytic combustion equipment, purify and remove such compounds.
The pre-treatment system of waste gas treatment process usually contains mixtures of particulate matter, paint mist, heavy metals, halogen compounds, etc. Therefore, these mixtures should be strictly purified before exhaust gas purification to avoid affecting the subsequent purification effect. Pre treatment usually uses supporting purification equipment and accessories such as pre processor, water curtain purifier, spray purifier, dust collector, and dust collector.
Waste gas is usually flammable, explosive, and gaseous, and the elements in designing waste gas treatment processes are principles. So the concentration index of volatile compounds operates below 1/4 of the lower explosive limit. Experienced designers will consider sudden concentration volatilization. Emergency control and measures should be taken for errors in the production process formula feeding by the manufacturer, as well as abnormal temperature or pressure parameters on the production line. Especially in the chemical industry, this issue is particularly important. Therefore, it is particularly important to choose exhaust gas purification with rich experience. Electric control and self-control are the command of the exhaust gas treatment engineering system, so the design of the electric control principle should be concise and the electrical components should be important. There should be a good working environment.
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The approximate process flow of catalytic combustion equipment
Preheating: Preheating is the basic process form of catalytic combustion. The exhaust gas temperature is below 100 ℃ and the concentration is also low, so heat cannot be self-sufficient. Therefore, before entering the reactor, it needs to be heated in the preheating chamber. After combustion and purification, the gas exchanges heat with the untreated exhaust gas in the heat exchanger to recover some of the heat. This process usually uses gas or electric heating to raise the temperature to the ignition temperature required for the catalytic reaction.
Applicable scope and operating principle of catalytic combustion equipment
Applicable scope of catalytic combustion equipment
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