Compression heat regeneration dryer (purification equipment) is the use of high-temperature exhaust heat compressor directly heated desiccant regeneration, regeneration and because no heating gas consumption to maximize energy savings. 

Power station ash is used for power plant air heater air delivery chute, ESP sets of ash and ash storage library grudge gasification and so on. The equipment consists of two parts, electric heater and air control system. Heating element for protection using 1Gr18Ni9Ti stainless steel seamless casing, 0Gr27Ai7Mo2 high temperature resistance alloy wire, operating life will reach the international advanced level.