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Screw press is a type of sludge dewatering machine press in which the ram is driven up and down by a screw. The screw shaft can be driven by a handle or a wheel. It works by using a coarse screw to convert the rotation of the handle or drive-wheel into a small downward movement of greater force. The overhead handle usually incorporates balls as flyweights. The weights help to maintain the momentum and thrust of the tool to make it easier to operate.
DOYEN screw press is integrating with auto-control panel, sludge thickening and filtrate collection tank. Therefore, the high efficiency flocculation, continuous sludge thickening, dewatering and filtrate collection can be automatically completed all-in-one. It is with advantages of low operation cost, less washing water require, low power cost, low chemical consumption, small installation space, etc.
Screw press can be used in many liquid-solid separation applications. It is a simple, slow moving device that accomplishes dewatering by continuous gravitational drainage.