... dryer 2:suit for building,metallurgy.cement and so on 3:excellent structure 4:high dry efficiency ZG series continuous ... drying of limestone slag, coal powder,slag,clay stone, 2:This continuous rotary drum dryer is formed by rotary ... (mm)Inclination (°)Rotation(r/min) ZG121201200120002-54.72-2.511ZG151201500120002-554-615ZG151501500150002-555-715ZG181501800150002-53.97-1018.5ZG202002000200002-53 ...