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Optimal control of operation efficiency of belt conveyor to improve energy efficiency

Maragos Praxitelis

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Summary

Belt conveyors are an important part of goods’ transportation in many areas of modern industry and our everyday life. Flexibility, simple mode of operation and low energy requirements are some of the factors that not only established but also contributed to their continuous development, especially in the mining industry. Due to the number of belt conveyors used daily, we conclude that there is a great demand to meet the energy requirements that are being created. For this reason several methods have been developed to improve their energy efficiency with the main aim of optimizing the driving performance. In this thesis we are using as a field of research the Majdan III clay mine in the Republic of Serbia. We present an operation algorithm both of transportation and excavation, in order to reduce the operation’s speed and avoid the possibility of overloading the network, to ensure a reduction in energy needs and optimal flow. The algorithm is based on the calculation of the maximum performance of the belt in the final stage of transportation and the calculation of the values of the remaining belts through flow control to achieve a reduction of the required energy. The simulation program we used for this purpose is “Simcad” and the speed control was performed in a passive way, setting the velocity of the conveyor in advance for a given for a given feed rate.

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