| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a screw press which has a compression ratio easily adjustable in accordance with the properties of an object to be squeezed, and is prevented from deteriorating in dehydration performance. Ž<P>SOLUTION: The inside of casing 32 in which a plurality of exhaust holes discharging dehydration filtrate is formed, is provided with freely rotatable two screw shafts 33, 34, the screw shafts 33, 34 are provided with spiral screw blades 39, 40, and the screw blades 39, 40 comprise: blade bodies 46 provided at the outer circumference of the screw shafts 33, 34; and thickness adjusting plates 47 freely attachably/detachably fitted to the blade bodies 46. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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