Sludge drying system of municipal sewage treatment plant

The utility model discloses a sludge drying system of a municipal sewage treatment plant, which solves the problem of sludge drying and comprises a sludge-water separation system, a drying warm room system, a tail gas treatment system, a power supply system, a heat supply system and an air supply system. The sludge-water separation system comprises a sludge-water separation tank and a sludge dewatering filter bed and is used for realizing sludge-water separation and reducing water content; the drying warm room system comprises a foundation, a warm room frame, a roof, light absorption glass, anautomatic roller shutter device, a bottom heat insulation layer, an air inducing opening, a hot air purging pipeline, a drying bed, an exhaust fan and a liquid collecting tank, and three modes of sludge solar evaporation, hot air purging and hot sewage waste heat heating are achieved. The tail gas treatment system comprises a dehumidifier and a purifier, and dehumidification and purification of tail gas are achieved. The