A full-scale flue gas denitration catalyst performance detection device and detection method

Abstract

The invention relates to a full-scale flue gas denitration catalyst performance detection device and a detection method. The detection device includes a flue gas simulation unit, a reaction unit, and an analysis unit. The reaction unit includes an air inlet main pipe, an air outlet main pipe, and multiple reactors. The gas simulation unit includes an ammonia storage tank, a sulfur dioxide storage tank, a nitric oxide storage tank, an air compressor, a nitrogen generator, a steam generator, and a heater. The analysis unit includes multiple air inlet pipes, multiple control valves, and analyzers. The present invention uses a gas distribution method to configure simulated flue gas, detects the full-scale flue gas denitration catalyst, and uses a set of analyzers to detect flue gas components before and after the reactor, avoiding errors caused by the instrument, thereby ensuring that the test results are more accurate. Accurate; the present invention allows multiple reactors to be used alternately by setting switching valves, thereby partially isolating the reactors for catalyst replacement, saving energy, and making the detection device more efficient.

Description

technical field [0001] The invention specifically relates to a performance detection device and a detection method of a full-scale flue gas denitrification catalyst. Background technique [0002] At present, my country's total particulate matter emissions are basically under control, and sulfur dioxide emissions have declined, but NOx emissions have risen rapidly with the rapid growth of my country's energy consumption and motor vehicle ownership. According to statistics, 60% of the NOx released in my country's air pollutants comes from coal combustion, and every ton of coal burned can produce 3-5Kg nitrogen oxides, corresponding to 400-600mg / m 3 , and the coal consumption of thermal power plants in my country accounts for 70% of the total coal consumption, so thermal power plants are the main source of nitrogen oxide emissions. At present, NOx emissions have far exceeded the self-purification capacity of the atmosphere. [0003] Selective catalytic reduction (SCR) denitrif...

AI Technical Summary

Problems solved by technology

However, due to the starting point of the research of each unit and the limitations of the test bench itself, the micro / small test bench can only characterize the intrinsic chemical kinetic coefficient of the catalyst, and cannot reflect the activity of the full-scale catalyst unit, so it is not suitable for catalysts. Comprehensive performance testing and management

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