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Productivity Improvement of Screw Conveyor by Modified Design

By Jigar N. Patel, Sumant P. Patel and Snehal S. Patel


Abstract—Screw(Auger) conveyors are widely used for transporting and/or elevating particulates at controlled and steady rates. They are used in many bulk material applications in industries ranging from industrial minerals, agriculture, chemicals, pigments, plastics, cement, sand, salt and food processing. They are also used for metering (measuring the flow rate) from storage bins and adding small controlled amounts of trace materials such as pigments to granular materials or powders. Here in this paper we represent the modification of screw conveyor for get same output from modified design with reduced size and less power consumption. And also given the generalized design of shaftless screw conveyor(SSC) for 2 tonnes per hour capacity to convey cement. The finite element analysis (FEA) of both model is given so we can easily find that the design is safe or not for industrial use. The rate of volume transfer is proportional to the rotation rate of the shaft. In industrial control applications the device is often used as a variable rate feeder by varying the rotation rate of the shaft to deliver a measured rate or quantity of material into a process. Screw conveyors can be operated with the flow of material inclined upward. When space allows, this is a very economical method of elevating and conveying. As the angle of inclination increases, the allowable capacity of a given unit rapidly decreases. Keywords—Screw conveyor, Auger, SSC, FEA, bulk material

Year: 2014
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