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Conference Proceedings

Iron Ore 2011

Conference Proceedings

Iron Ore 2011

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Process Control Integration into a Brownfields Iron Ore Plant as Applied to the Khumani Iron Ore Mine

With a brownfield project comes control integration challenges. The Khumani Iron Ore Mine's second phase expansion posed a number of challenges as there was substantial brownfields work conducted. The fi rst phase was the compilation of the modifi ed process functional specifications for the project._x000D_
The second phase was an audit on all of the operational sequences; this included a comparison between the SCADA sequences, sequential starts analysed from the historian data (with the potential for improvements made by the plant operators in manual start-ups) and what was proposed in the process functional specification. Differences, inclusions and missing equipment were highlighted._x000D_
The third phase was the comparison of interlocking and control in the PLC with the updated process functional specification; this was done during the coding process. Running parallel to the three phases was the SCADA integration; tie-ins to the existing SCADA were conducted on maintenance days and shutdowns, in many instances with dummy' equipment to get the operational staff accustomed to the new interface. This paper details each of the phases, the success of this methodology as well as the pitfalls experienced.
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  • Published: 2011
  • PDF Size: 3 Mb.
  • Unique ID: P201106063

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