Screw type dewatering machine

Details Screw type dewatering machine Screw type dewatering machine

1994-05-31

1996-02-06

Lithgow, Thomas M.

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

210415, 210487, 100117, 100145, B01D 2935, B01D 2933, B01D 2964

Patent

active

054893836

ABSTRACT:
A screw type dewatering machine according to the present invention includes inner and outer sleeves (1, 2), an annular space chamber (3) defined therebetween, a coil-like screw (4) rotatably disposed in the annular space chamber (3), and drain screens (5, 12) disposed on the inner sleeve (1) and/or the outer sleeve (2), and is characterized in that

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patent: 4915830 (1990-04-01), Mackay
patent: 4997578 (1991-03-01), Berggren
patent: 5357855 (1994-10-01), Ishigaki

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