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Application:ZNV screw press washer is a usual machine for washing pulp and thickening at high-consistencyby pressing and filtering mechanically, suitable for waste paper pulpingand dispersion system as well as washing and thickening at high-consistencyin pulp and paper industry, and also suitable for washing and thickening for sulfatewood pulping and for sub-ammonium straw pulping.Structure featuresZNV screw press washer consists of press screw, discharge control, filter drum, inlethopper, trough, end bracket and drive, etc.Pulp is fed into the screw press washer through the hopper. Rotating screw transportthe stock to the pressing section through to outlet. The pulp is dewatered onthe filter drum as the stock is squeezed by screw and back press device. The waterpressed out of the pulp enters the saveall pan and discharged at water outlet.The thickened pulp is discharged at pulp outlet. 1. With discharge control, the outlet consistency can be controlled by regulatingthe pneumatic