Sewage solids wash presses

Description and operation

The screenings to be treated are conveyed directly from a bar screen or other stage in the sewage treatment line and dropped into the loading hopper of the machine. First they are rinsed on a sieve to get rid of organic slurry. Next, a screw conveyor transports the screenings to the dewatering press, where they are finally dewatered and compressed. The dewatered and compressed screenings free from organic content are conveyed outside.

Typical charateristics

electric drive power – 2.2 to 5.5 kW
capacity – 0.5 to 5 m3/h
output dry mass content – 55 to 75%
fecal matter removal rate – 90 to 99%
materials used – AISI 304 (1.4301) steel or other on demand


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