Abstract

This chapter describes both mechanical and process problems, and troubleshooting factors of production centrifuges. A centrifuge that has a troubleshoot for various mechanical and process problems may often require process optimization. On the other hand, optimization can be made on a centrifuge that has been performing well to provide process fine-tuning. Process problems for disk centrifuge include, but are not limited to, centrate with too much suspended solids, turbidity, or concentrate that is too wet. Mechanical problems include vibration, acoustic emission, wear and tear, etc. It is important to have a sense of the timescale when problems have occurred. To that end, day-to-day mechanical and process monitoring, as well as recording or logging, are important. The chapter reviews several monitored and control variables. It also presents a simple optimization strategy based on feed rate and angular speed gauging on the solids recovery (or centrate solids).

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