Aoko crushing device

摘要

(57) [Summary] [Purpose] Collecting water-borne substances such as water-bloom and crushing them to suppress floc formation and anaerobic spoilage. [Arrangement] A body frame F equipped with a float 5 is provided with an aerator comprising a submersible motor 1, a screw 2 driven by the submersible motor 1, and a draft tube 4 inserted through the screw. Further, the suction plate 4a of the draft tube 4 is set below the water surface, and the collecting plate 6 for collecting the blue-green algae 7 and the like floating in the circulating water flow on the downstream side of the suction port 4a. To prepare.