... to below 5% 2.coal, oil, gas can be used rotary dryer introduction 1. Technical Parameter: type(mm)indiclination(%)rotation ... , driving and supporting device, etc3. Application of rotary drierRotary drier is used to dry slag, clay, limestone, It is ... mainly used for cement, chemical, metallurgical, building materials industries.4. Working principle of rotary drierIts principle of operation ...