In the field of large-scale combustion of fossil fuels, such as coal-fired power plants, pre-combustion or post-combustion NOX control technology denitration devices are installed. Post-combustion NOX control technology can be selective catalytic reduction The SCR method can also be a selective non-catalytic reduction method (SNCR), but no matter which method is used, the basic principle is the same, that is, the ammonia is reacted with nitrogen oxides by injecting into the reactor to produce water And N2. The injected ammonia can be directly in the form of NH3, or it can be first released through urea decomposition to obtain NH3 and then injected. Regardless of the form, the total amount of ammonia injected and the spatial distribution of ammonia in the reaction zone can be controlled. Reduce NOX emissions.

(1) The escaped ammonia gas is a waste of funds and environmental pollution;

(2) Ammonia escape will corrode the catalyst module, cause catalyst deactivation (ie failure) and blockage, and greatly shorten the catalyst life;

(3) Escaped ammonia gas will generate ammonium sulfate (corrosive and cohesive) with SO3 in the air, which will block and corrode the heat storage element of the air preheater located downstream from the out of stock;

The company has strong R & D capabilities covering the entire industry chain. It is a research and development type gas analyzer enterprise that integrates sensor R & D and production, instrumentation R & D and production, gas online analysis system R & D and production, and on-site operation and maintenance services.

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