... maintenance. ISO9001:2000,CQC,BV certificate. Reducing Rotary Kiln Dryer For Sale (YB2545) Rotary kiln is refer to rotate calcination kiln, ... effectively pass to materials, so that material can produce series of physical and chemical changes after receiving the heat, ... finally forming finished product chamotte.Features:The rotary kiln is composed of cylinder, supporting device, sealing device ...