Novel spiral chute

The utility model discloses a novel spiral chute which comprises a machine body, a conveying belt, a feeding opening, a spiral pipeline, a pipeline outlet, a spiral mechanism, a water storage area, a water suction pipe, a cleaning water pump, a water spraying pipe, an upper water channel, a water spraying opening, a water circulation mechanism, a sedimentation tank, a circulation tank, a sludge outlet, a motor, a rotating rod, a spiral piece, a circulation water pump, a water guide pipe and a water pumping pipe. A settling area is arranged in the device, after clean sewage in the spiral pipeline flows out of the spiral pipeline along a pipeline outlet, the clean sewage falls into a settling pond arranged under the pipeline outlet and is settled in the pond, sludge sinks to the bottom of the pond, and the clean water on the upper layer overflows into a circulating pond beside the settling pond after the water level of the settling pond exceeds a threshold value. And the water source in the circulating pool is