The basic structure of the drum grille is composed of the following parts: the water retaining sloping plate in the water channel, the grid basket with the filter residue scraper, the funnel with the round mesh plate, the grid basket, the bottom plate of the grid basket, Rake teeth, slag scraper, cleaning arm, scrubbing rod, bearing shaft head, funnel, outer spiral tube with inner guide rod, rotating screw, support foot, compressor, water collection jacket and squeeze water return pipe, discharger , Discharge port, drive motor, screw bearing, these components constitute the main body of the mechanical part. On top of this, other additional devices can be installed, such as a screw with a central tube, screw blades, upper and lower bearing plugs, and a cleaning arm with rake teeth. These components constitute the rotating part of the machine. Rotation is driven by a transmission motor installed at the upper end of the machine.

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