Abstract. The problem of modernization of the system for control over the fuel combustion efficiency is considered. The necessity for the system to be adapted to conditions of aggressive environment of the boiler house is substantiated. The modernization is anticipated to provide a reliable data on an ongoing basis, to simplify equipment operation and relieve the operators having to perform their own calculations. The stages of the proposed modernization are described briefly. Modern methods of measuring the parameters of fuel combustion efficiency are taken as a basis, sensors capable of operating in difficult conditions of a boiler house are investigated, a structural-functional diagram and an algorithm of a modernized system of fuel combustion control by the main channels for measuring concentrations of flue gas components are proposed. Improvement of built-in combined intelligent gas analysis systems is predicted to significantly improve the characteristics of the system for monitoring the efficiency and quality of fuel combustion.

Keywords: fuel combustion efficiency, smoke fumes, correction of the fuel-air ratio, combined built-in combustion quality analyzer

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