Hydro-Dyne Engineering Inc - Products: Septage Receiving Drive and Discharge

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Drive and Discharge

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Septage Receiving Screen

Drive and Discharge

Patented electric and hydraulic drives efficiently power the Septage Receiving Station. Stainless steel chains and sprockets pull the black UHMWPE "dogbones." This stainless steel and high density plastic contact results in little friction and long wear. Most importantly, no part of the drive touches the grid. Therefore, a bent grid element will not be compounded into a disabled screen.

The view to the left is from the inside of the screen's head section looking down on the discharge mechanism. Screenings are lifted out of channel on a series of hooks. As these hooks round the top of the screen, spray headers wash screenings from grid. Sprocket Sketch

These screenings and wash water are channeled into a screw conveyor and trough via neoprene seal and stainless steel chutes. All of our discharge mechanisms eliminate the use of a rotating brush and related maintenance problems.

In this trough the screenings are washed and organics are returned to influent channel below. All return wash-water and organics are discharged before the screen and must again pass through grid. This assures that no particles wider than grid opening can bypass the screen. Remaining solids in the trough are dewatered and compacted as they are conveyed to a bin for disposal.