This system consists of sludge paver, spiral feeding machine, belt conveyor, storage bin, harmful gas detector, industrial control system etc. Fully automatic sludge-tossing machine is variable frequency motor and could adjust the sludge tossing speed automatically with well-distributed flip, realizing the renovation and evaporation of surface water. During this process, oxygen are supplied to avoid local anaerobic bacteria breeding to release odorous gases. System installed H2S and NH3 detector, which can realize real-time monitoring.