Design and Analysis of Flip Type Scrapper for Belt Conveyor System

Abstract

Conveyors are one of the most commonly used mechanical handling equipments which transports or moves bulk materials from one point to another point. Conveyors are useful in many applications which involve the transportation of bulky materials. Conveyors allow efficient and quick transportation of a several varieties of materials, making conveyors very popular in material handling industries as well as packaging industries. Though these conveyors have above advantages they will require huge amount of power to drive the belts. As a result of increase in fuel prices all over global markets and scarce of fossil fuels the electricity charges are increasing tremendously. By reducing belt drive power consumption huge amounts of money can be saved and we can reduce the emissions of green house gases. Fixed solid scrappers are used to remove coal or powdered raw material which sticks to belt due to surface moisture during rainy season. Though fixed solid scrappers are one of the resistances which contribute to additional power consumption of the belt conveyors, it is essential as If powder deposits are not removed will erode return idlers. As a part of my project dissertation I have opted to study a coal conveyor system design, selection of various components, calculation of tension / loads on conveyor system and reduction of conveyor power consumption by modifying conventional fixed solid scrapper to flip type scrapper. The arrangement will expose the belt to solid scrapper only when belt is wet and remaining time to brush.