Coal drying method and equipment, method for aging reformed coal and aged reformed coal, and process and system for producing reformed coal

摘要: In drying coal to be used as fuel for a coal-fired boiler, the is dried at temperature of 80 150° C. by using combustion exhaust gas having passed through an air heater boiler. Moreover, after medium-quality or low-quality heated 300 500° heating rate not less than 100° per minute and then cooled 250° below cooling 50° minute, resulting reformed 70° stored 1 month more in state isolation from atmosphere. producing aforesaid coal, obtained outlet economizer included boiler equipment denitrator therein.