rotary vacuum dryer:It is used to dry slag,clay and other materials in construction,metallurgy,chemical,and cement industry. rotary vacuum dryer: 1. Model: Type(m):1.0×102. Transfers barrel dryer(mm): Φ10003. Transfers barrel length(m): 104. Gradient: 3-5º5. Rotational speed: 6.73r/min6. Weight: 7.5t7. Motor power: 5.5kw8. Volume: 7.85m3