Abstract
Both mechanical and process problems and troubleshooting factors are discussed in this chapter. Process problems for disk centrifuge include, but not limited to, centrate with too high suspended solids or turbidity, concentrate too wet, and concentrate not discharging. Mechanical problems include vibration, acoustic emission, and wear-and-tear. Some remedial actions to fix these problems have been suggested. It is important to have a sense of the timescale where problems have occurred. Hence, day-to-day mechanical and process monitoring, as well as recording or logging, are important. Some monitored and control variables have been reviewed. It is important to measure the feed size distribution to the centrifuge. A simple optimization strategy based on feed rate and angular speed gauging on the solids recovery (or centrate solids) is presented. The same methodology can be extended to other process metrics.
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