11.10 Coal Cleaning US EPA
rising hot gases. In the flash dryer, coal is fed into a stream of hot gases for instantaneous drying.line crushing machine turkmenistan Fote Mining Machinery Co. The dried coal and wet gases are both drawn up a drying column and into a cyclone for separation. In the multilouvered dryer, hot gases are passed through a falling curtain of coal, which is then raised by flights of a specially designed conveyor.