垂直スクリューコンベヤの開発に関する研究

抄録

The object of this study is to develop the vertical screw conveyors for transportation of wet sand, mud, sludge material, coal or ores. As well known, the screw conveyors are widely used for conveying friable or granular materials in agricultural field, but they are not available for wet sand and mud.
In this paper we reported the results of experimental investigations which were carried out with dry and wet sand. The relations between the vertical 'velocity of a particle or the output of conveyor and many technical parameters, i. e. screw speed, inclination angle of the screw blade, pitch, friction coefficient between sand and screw or casing pipe etc. were, obtained
The most desirable parameters on constructions and operations of vertical screw conveyors for dry and wet sand were obtained. The results are useful for designs of the vertical screw conveyors.