Analysis and on-stream countermeasures of High Thrust Bearing Temperature of A Centrifugal Compressor
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The problem of high bearing temperature is a frequent concern for most rotating machinery. In case of critical equipment such as critical compressors or turbines, its consequences could lead to total plant shut down and huge losses. Furthermore it is very hard to find its cause, and solutions. On-stream remedies are very limited because the machines aren’t stopped. For the investigation and analysis of high thrust bearing problem of centrifugal compressor, it is required to understand the mechanism of bearing temperature increase as well as thrust load balance. In addition, it is also needed to review the quality and quantity of lube oil supply, and maintenance and operation history in various aspects. Based on actual experience of high thrust bearing temperature rise in recycle gas compressor of Residue Hydrogen Desulfied (RHDS) plant, this case study will show how to analyze it and take on-stream countermeasures, as well as lessons-learned for maintenance and design.
BumSu, Kim; SangJoo, Lee; SangMun, Sin; SangSuk, Lee (2015). Analysis and on-stream countermeasures of High Thrust Bearing Temperature of A Centrifugal Compressor. Turbomachinery Laboratories, Texas A&M Engineering Experiment Station. Available electronically from