University of Khartoum

Giad Steel Factory – Melting House Control System: Analysis And Development

Giad Steel Factory – Melting House Control System: Analysis And Development

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Title: Giad Steel Factory – Melting House Control System: Analysis And Development
Author: El-Obaid, Mohammed Babiker Mohammed
Abstract: This project is focused in studying and improving of the control system cited in one of the major steel producing facilities in the country - Giad Steel Factory – through detailed analysis of the process and the hardware/software components and logic, the development of the monitoring process through deploying of a PC-based HMI, and a solution to the problems of the control system through modification both to the ladder logic and the hardware arrangement was proposed. The proposed developments includes an automatic oxygen lancing system; which controls the flow and amount of oxygen fed to the Electrical Arc Furnace, The auto steel composition adjustment ; which improves the quality of the product by precisely adjusting the additives ratios through PLC controlled valves, The CCM tundish and mold level control; for adjusting the casting and solidification process, and a PC-based human machine interface; which is the main contribution of our project to the enhancement of the factory overall control. Several visits were conducted to the factory as indicated in the log-sheet to the assurance of accuracy of the information in this report and to closely study the factory environment and its working system. Also the actual ladder logic exists in the factory was obtained. Finally the proposed system was simulated and a way of testing and calculating of reliability also proposed using the random variable generator method.
URI: http://khartoumspace.uofk.edu/handle/123456789/18613
Date: 2011


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