For drying clinker, limestone, fly ash, coal sludge, clay, ores and etc materials contains moisture. Application: For drying clinker, limestone, fly ash, coal sludge, clay, ores and etc materials contains moisture.Specification: φ2.0m~φ4.2m,Length: 12m~36m,Rotary Speed:3.5m/min~5.8m/minCapacity: 15t/h~179t/hOther special design is available. Single Drum Drying System