Catalytic Combustion Systems

A catalytic combustion system is a device or equipment that burns under the action of a catalyst. The working principle of catalytic combustion system is: with the help of catalyst to make the exhaust gas flameless combustion at a lower ignition temperature, so that the exhaust gas decomposed into carbon dioxide and water vapour. The catalytic burner electrical control system consists of PLC controller, text display, frequency converter, igniter, ultraviolet sensor, thermocouples and other electronic control equipment, as well as the fan, in addition to the zero-pressure valve to regulate the ratio of gas and air. The entry also gives examples of HC type series gas catalytic combustion device and LF-VC type direct catalytic decomposition and oxidation device, as well as catalytic combustion device in the use of the non-factor and management measures.

Combustible materials are burned under the action of catalyst. Compared with the direct combustion, the catalytic combustion temperature is lower and the combustion is comparable. Catalysts for catalytic combustion are noble metal and metal oxide multicomponent substances with large specific surfaces. For example, catalytic gas cookers loaded with Pd or rare earth compounds for domestic use can reduce the CO content in the exhaust gas and improve the thermal efficiency. Alumina catalysts loaded with 0.2% pt can burn most compounds and deodorise and purify to a chemical shift σ=1 or less at 500°C. Catalytic combustion is flameless combustion, so it is suitable for occasions with high sex requirements, such as fuel cells with H2 and O2 as raw materials, and wye furnaces with petrol or alcohol as raw materials (catalysts are Pt-impregnated asbestos). For example, NOx fumes from chemical plants, fuel can be added to the fumes, and NOx can be converted to N2 gas by catalytic combustion with loaded platinum and palladium catalysts. Adoption of appropriate catalysts, the use of combustible substances in the gas at a lower temperature decomposition, oxidation of combustion methods.

Natural gas fuel has a high calorific value, the advantages of less air pollution emissions, in general, the combustion of gas will still emit emissions of NO due to NO, with the impact of environmental pollution, so it is very much Reduce the gas combustion process N0, emissions. Nearly ten studies have shown that catalytic combustion technology may solve the above problems, can make gas combustion to achieve low emission standards, close to zero emission, and at the same time can improve the thermal efficiency of the furnace.

The burner works by adjusting the amount of mixed gas entering the combustion system to change the energy of the whole system when the combustion power needs to be changed.