Once the mechanical seal system of feed pumps fails in a thermal power plant,it is likely to cause a trip of turbine-driven feed pumps,endangering the safe operation of the units.Based on the abnormal temperature rise of mechanical seal water system in a turbine-driven feed pump of the plant,the failure causes are analyzed,based on which the anomaly handling methods,corrective measures and suggestions are put forward so as to offer reference for the treatment of such an abnormal temperature rise of mechanical sealed water in turbine-driven feed pumps.
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