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Drum washer

1. Drum washer overview

The rotary drum washer is mainly used in the production of starch, potato flour to wash the raw material.

The drum washer works according to the principle of countercurrent washing. The material flows from the inlet to the outlet along the twisted bar while the water in the rinse bath flows in the converse direction. Such movement can eliminate the sand and mud effectively.

drum washerDrum washer

2. Structure and principle of drum washer

The drum washer is comprised of frame, major axis, rolling container, twisted bar, rinse bath and driving medium. The drum washer structure is simple and reasonable with a lower breakage rate and water consumption.

The material moves forward along the twisted bar to the outlet where the hopper brings the cleaned material to the conveying belt and then to the next step.

Technical parameter of drum washer:

Model Output (kg/h) Power (kw) Outer size (mm)
QZL50 3000 1.5 4000 x 500 x 600
QZL60 4000 2.2 4500 x 520 x 620
QZL70 5000 3 5000 x 600 x 700

Drum washer can applied in following starch production line:

(1) Potato starch production line

(2) Sweet potato starch production line

(3) Cassva starch production line


DOING company offers cassava processing machine from single machine to the complete production line. If you want to get more details about cassava processing machine, please contact us: