Trussed sludge circulation clarifying pool

The invention relates to a trussed sludge circulation clarifying pool. A plurality of coagulation reaction zones are uniformly arranged at the horizontal direction according to different quantities of water, each coagulation reaction zone comprises a first coagulation reaction zone and a second coagulation reaction zone with two sides arranged in a mirror image way, precipitation zones are arranged between the periphery of each coagulation reaction zone and the pool wall, the coagulation reaction zones and the precipitation zones all are connected in an integrated concrete pouring manner, a multi-phase mixer is arranged at the lower part of each coagulation reaction zone via a pipeline, a water inlet pipeline paved at the bottom of the pool is communicated with the multi-phase mixer, two trussed mud-sucking devices are symmetrically arranged in the clarifying pool and can travel on a track fixedly arranged on a cover plate of the clarifying pool, and mud-sucking pipes at the lower ends of the mud-sucking devi