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Causes and treatment methods of bearing heating of fly ash dryer

Feb 08 2016 Fly ash is a fine powdery material carried up with hot flue and stack gases Bottom ash is a much coarser sandlike material that is sluiced from the bottom of the boilers Boiler slag is formed when the ash melts under the intense heat of combustion and collects at the bottom of the boiler and in exhaust stack filters

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