Algae screening device for food processing

The utility model belongs to the technical field of food processing, and particularly relates to a food processing algae screening device which comprises a cleaning box, a supporting plate is rotatably connected to an inner cavity of the cleaning box, two fixing rings are arranged above the supporting plate, two supporting rings are arranged between the fixing rings, an upper partition plate is fixedly connected between the two supporting rings, and a lower partition plate is arranged between the upper partition plate and the lower partition plate. The bottom of the supporting ring is fixedly connected with a lower partition plate, the top of the supporting ring is in threaded connection with an upper sealing plate, fixing blocks are arranged in the center of the fixing ring, the top end of one fixing block is fixedly connected with a motor, and the driving end of the motor is fixedly connected with a lead screw. A supporting plate, a fixing ring, a supporting ring, a lead screw and a motor form an assembly c