Performance Evaluation On An Existing Motorised Paddle Type Ginger Peeling Machine

ABSTRACT

 Peeling is one of the essential preliminary operations in processing of ginger. In this study, the performance of an existing motorized paddle type ginger peeling machine was evaluated to determine the peeling efficiency. the material loss and throughput capacity. Three different drum loads (2kg. 1.5kg, 1kg) and three different shaft speed (205rpm, 150rpm, 100rpm) at different peeling duration were used. The machine consists of the peeling unit, the hopper, the power transmission unit as major components. Ginger is fed manually into the hopper, at constant rotation of the paddle it causes the ginger rhizomes inside the chamber to flow at same time. As the paddle revolves at a given speed, peeled ginger rhizomes are discharged through the outlet for collections. The maximum peeling efficiency of 60.4 % and material loss of 6.72% at shaft speed of 150rpm at peeling of 55secs were obtained. The machine had the highest throughput capacity of 1.961kg/hr at 100rpm.