ZNJ Series Screw Press Washer


ZNJ Series Screw Press Washer is mainly suitable for washing and thickening all kinds of paper pulp which is used in paper pulp processing line.

Application & Feature

  • Mainly suitable for washing and thickening all kinds of paper pulp.
  • For screw shaft, the compression ratio is axially distributed reasonably, thickening effect is good.
  • In discharge side, fitted with inner dewatering assembly with holes, which can efficiently secure uniformly of dewatering of inside and outside pulp layer.
  • Pneumatic back-push assembly can guarantee the stability and adjustment of discharge consistency.
  • Special screw structure in outlet, easy to maintain.

Main Specification

Type ZNJ12 ZNJ13 ZNJ14 ZNJ15 ZNJ16 ZNJ17 ZNJ18
Standard of Screw(mm) ɸ400 ɸ450 ɸ600 ɸ700 ɸ800 ɸ900 ɸ1100
Concentration of Input  Pulp (%) 10-14 8-12
Concentration of Output Pulp (%) 25-35
Production Capacity(t/d) 40-50 60-80 100-150 150-200 200-300 280-350 350-450
Motor Power(kw) 30 37 55 110 132 200 280

Capacities vary depending on feed size, feed rate, operating conditions, desired product output, characteristics of feed material, and equipment configuration

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