Single drum dryer (rotary single drum dryer) it is a drying machine used to dispose masses of materials. Single drum dryer is widely used in the field of building materials, metallurgies, chemical industry, cement and so on. it can dry slag, coal powder, mining powder, clay, sand, limestone and so on. It is made into rotary body, lifting blade, driving device, supporting device etc. It adopt the reasonable operation parameters and it also reduce the coal and power consumption by more than 10- 15% increases the output by more than 10- 15% compared with the general dryers.