DEHYDRATOR OF EXCAVATED EARTH AND SAND

摘要

PROBLEM TO BE SOLVED: To efficiently dehydrate excavated earth and sand while supporting transportation load of the excavated earth and sand and further preventing clogging by the excavated earth and sand. SOLUTION: A belt conveyer 1 is constituted of a dehydration mechanism 1a and a pressurization mechanism 1b. In the dehydration mechanism 1a, a water permeable belt 2 and a water permeable sheet 3 are constituted so that transportation speeds of both may become equal and further a rear face of the water permeable sheet 3 is superposed on a surface of the water permeable belt 2 in a transportation region A. A pressurizing belt 32 of the pressurization mechanism 1b is arranged so that its circulation pathway circulates inversely to circulation pathways of the water permeable belt 2 and of the water permeable sheet 3 and the pressurization mechanism 1b is equipped with a pair of transit angle adjusting rollers 35, 35 for adjusting a transit angle of the pressurizing belt 32 so that the pressurizing belt 32 is apart from a surface of the water permeable sheet 3 only by a predetermined distance in the transportation region A and a pressurizing roller 36 arranged between a pair of transit angle adjusting rollers. COPYRIGHT: (C)2009,JPO&INPIT