... Dryer EquipmentApplication:dry the materials such as ore slag, sand, coal, coal ash, iron power, ore ,quartz sand and so on Features ... , 80% thermal efficiency (single- cylinder dryer is only 35%), coal saving is 68% than single-cylinder dryer and output increases ... a perfect drying results.Main technical parameters: Type mOutput t/hCoal consumption kg/tPower KWslagCoal ashClayYellow sandDHΦ2.0×45 ...