ABSTRACT

The work presented in this project deals with the design, construction and testing of a screw conveyor. Screw conveyor is one of the most important, cost benefit and time saving equipment. it most modern industry plant even in a coal mine, rock salt plant, there is a screw conveyor. It may be horizontal, inclined and vertical. A horizontal type screw conveyor has been design, constructed and tested. It consists of mainly a shaft, screw, bearing, feed hopper, discharge hopper, motor, pulley, belt, and stand. Flow of material is accomplished by the use of a rotating helix inside a fixed trough. The rotating helix or flighting provides a continuously inclined face, which operates a forward movement of the product. The speed of the screw conveyor can be changed of pulley diameter. The performance of the designed conveyor is found to run very satisfactory. The discharge of rice husk has been found to be 212 ft³/hr .

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