The rotary drum mechanical grille decontamination machine is an integrated pretreatment device, and the equipment is installed in a waterway at an angle of 35° to the horizontal . Sewage enters from the open end of the drum filter, and floats remain on the inner surface of the filter screen. Then, it flows out through the grid slit on the side of the filter screen. There is a nylon brush and a cleaning device above the drum, which are used to remove the grid slag and enter the spiral press conveyor arranged in the grid. The grid slag is squeezed out by the screw conveying operation. , Dehydrate, and transport to the upper discharge hopper for discharge.

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