The vertical screw conveyer it possesses the entrance which incorporates the powder granule

摘要

PROBLEM TO BE SOLVED: To provide a vertical screw conveyer capable of conveying efficiently powder and grains, capable of reducing the amount of the powder and grains remaining in a casing when switching a conveying object, and capable of preventing a screw blade from being abraded.;SOLUTION: An upper face of the screw blade 12 is inclined by 5-30° to make an outer edge move downward, the outer edge of the screw blade 12 is hardened and increased in thickness by 2-10 mm, and a clearance between the outer edge of the screw blade 12 and an inner face of the casing is set to be 1-10 mm.;COPYRIGHT: (C)2010,JPO&INPIT