Through analyzing the air and pulverized coal mixture flow characteristics of coal-fired boiler in power plant, it is put forward that measuring pulverized coal flow parameters is based on energy conservation theory and arrangement rule of measuring point location is for improving measurement precision. System for measuring temperature and velocity and concentration of air and pulverized coal mixture flow is developed, and some functions of on-line measuring air-pulverized coal mixture parameters are achieved. Adopting those efficient measuring methods are able to improve boiler operation’s safety and efficiency.

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