Conference Proceedings
Metallurgical Plant Design and Operating Strategies (MetPlant) 2002
Conference Proceedings
Metallurgical Plant Design and Operating Strategies (MetPlant) 2002
Modern Design Practice in Post-Combustion Off-Gas Systems for Metallurgical Furnaces
Off-gas handling systems are a critical component of modern metallurgical furnaces and typically represent as much as 50 per cent of the total installed smelter capital cost. Inadequate off-gas system performance, due to insufficient exhaust flow or excess maintenance downtime, can present a serious process bottleneck and limit smelter production rate. Therefore, it is essential that the relevant performance issues are fully understood and considered in the design of these systems, particularly when combustibles produced within the furnace must be combusted or handled in the off-gas system. This paper examines the requirements, design issues, and conceptual design process for state-of-the-art postcombustion off-gas systems. The relevant design considerations of safety, environment, energy consumption, and maintenance are presented, and the relative importance of these key issues are compared and discussed. The benefits of using computational fluid dynamic (CFD) modeling in the design process at the conceptual design stage are also demonstrated. Finally, the design basis and performance of a recent Hatch-engineered system currently in operation is evaluated.
Contributor(s):
R J Haywood, M Russell, B Wiggins
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- Published: 2002
- PDF Size: 0.925 Mb.
- Unique ID: P200202010