Belt press dehydrator conditioning process: feed sludge is mixed with a small amount of polymer coagulant in the conditioning tank, resulting in formation of easily drainable high density pellets.

Gravity dewatering process: the pellets are fed into the slurry pool at the sloped part of the first filter cloth and uniformly distributed on the surface of the cloth. Then, they release free water while moving up the slope, and become semisolid.

Shear and compression dewatering process: The drained sludge moved down the slope of the first filter, then get sandwiched by the second filter cloth. And finally wrapped around the Planetary Rolls. Repeatedly exposed to large compressing and shearing forces, the sludge turns into dewatered sludge with low moisture content and is continuously discharged from the sludge chute.

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