In order to ensure the filtration quality of the environmentally friendly filter press, when the filter cake needs to be washed, the plate and frame filter press can be designed with open flow one-way washing and two-way washing, and undercurrent one-way washing and two-way washing. Open flow one-way washing, the washing liquid enters sequentially from the washing liquid inlet hole of the thrust plate, passes through the filter cloth and then through the filter cake, and flows out from the outer hole filter plate. At this time, the liquid outlet nozzle of the perforated plate is closed, and there is no Discharge water from orifice plate The mouth is open. Open flow two-way washing: the washing liquid is washed twice from the washing liquid inlet holes on both sides above the thrust plate, that is, the washing liquid is washed from one side first and then from the other side. The outlet and inlet of the washing liquid are in the direction of the fishing line, so It's called sex and wash…

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