EVOLUTION AND ANALYSIS OF COAL PREPARATION SYSTEMS FOR BOILERS BURNING LOW-GRADE LIGNITE COAL

EVOLUTION AND ANALYSIS OF COAL PREPARATION SYSTEMS FOR BOILERS BURNING LOW-GRADE LIGNITE COAL

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This paper describes the development of coal preparation systems installed on boilers burning low-grade lignite, from their design form to the various modifications they undergo.The emergence of certain 9002nc drawbacks in the process of operation of such boilers, such as high temperatures and oxygen-reducing environment around gas recirculation ducts, which increases the possibility of slag formation, as well as additional environmental requirements, leads to the need iphone 13 pro max price winnipeg to make changes in the design of the combustion systems by applying different technological solutions.Although, for the most part, the coal preparation systems for boilers burning low-grade lignite have undergone a different number and type of modifications from their design construction by various organizations, some changes are analogous.

This paper compares the changes to the coal preparation systems over the years.