Abstract: The fuel crushing equipment is important auxiliary equipment for CFB boiler to ensure its safe and stable operation. The crushing theory and the requirement of CFB boiler about the fuel were introduced. The current situation of the fuel crushing system of CFB boiler was analyzed. The optimized selection and application measures of the fuel crushing equipment were put forward.

Key words: circulating fluidized bed (CFB) boiler, fuel crushing equipment, crushing theory, optimized selection