Screw press apparatus

A screw press apparatus has frames, a screw shaft, an outside tube, a cylindrical screen, a screw blade, a supply pipe, and a cleaning pipe. The screen is fixed between the frames to the outside tube, and has a plurality of fine holes and covers the screw shaft. The screw shaft and the screen define...

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Bibliographic Details
Main Authors MITANI YUKITOSHI, ISHIGAKI EIICHI
Format Patent
LanguageEnglish
Published 06.02.2002
Edition7
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PRESSES
PRESSES IN GENERAL
SEPARATION
TRANSPORTING
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Summary:A screw press apparatus has frames, a screw shaft, an outside tube, a cylindrical screen, a screw blade, a supply pipe, and a cleaning pipe. The screen is fixed between the frames to the outside tube, and has a plurality of fine holes and covers the screw shaft. The screw shaft and the screen define a cylindrical space continuously extending from an upstream region to a downstream region. Raw liquid is fed from the supply pipe via an opening of the screw shaft to the upstream region of the cylindrical space. The cleaning pipe ejects cleaning water onto the screen. Sizes of the fine holes of the screen decrease gradually from the upstream region towards the downstream region.
Bibliography:Application Number: CN19998015916