Process for drying and/or preheating coal

作者: Serge Delessard , Roger M. Puff

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摘要: A plant for pre-heating by fluidizing and milling coking coal in a treatment chamber is combined, means of heat exchanger interposed circuit recirculating heat-conveying gas, with the dry quenching hot coke chamber. The flow, through exchanger, recycled fumes regulated dependence on rate at which introduced into screw conveyor. An auxiliary combustion permits precise control temperature