... equipment/sludge dryer 1.Description :sludge drying equipment,sludge dryer is mainly used in ore selecting, building materials, metallurgy and chemicals ... : 1). price cheap , same capacity ,the price is cheaper than Rotary drum dryer . 2). space small , why this dryer named : three roller dryer , Eg ... reduction ratio0.6×8m0.5-0.84Y160m-R3ZL50-16-185.10.8×100.9-1.54Y160M-R3ZL50-16-17.26.91 ...