The author described philosophy, causes and precautions for water hammer appearance in steam piping, drum, feedwater piping, economizer, drum draining tube, sub-steam cylinder etc.
叙述了蒸汽管道、锅筒、给水管道、省煤器。锅筒放水管、分汽缸等发生水冲击的基本原理，产生原因和预防措施。
Suggest having local readout at manual valve for each drum so that operator can level in drum when draining.
建议每台罐在手动阀门处有就地读数，以便操作员在排凝时知道罐的液位。
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