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作者通过对某站输油泵机械密封过热原因分析,发现机械密封过热的主要原因是原油品质较差,内部杂质引起机械密封内部结焦、或较大颗粒堵塞冲洗管引起冲洗冷却中断造成过热。根据该站实际情况得出,引起油质较差的主要原因是机械密封和泵前过滤器长期未清理造成,提高技术人员的管理水平成为解决问题的关键。
The author analyzed the causes of mechanical seal overheating in a station oil pump, and found that the main cause of mechanical seal overheating is the poor quality of crude oil, internal impurities causing coking inside the mechanical seal or blockage of the flushing tube by larger particles, resulting in overheating caused by flushing cooling interruption. According to the actual situation of the station, the main reason causing poor oil quality is that the mechanical seal and the filter of the pump have not been cleaned up for a long time. Improving the management level of technicians becomes the key to solve the problem.