直接空冷机组冬季运行的防冻要点

Anti-freezing key points of direct air cooling unit in winter operation

330 MW直接空冷热电联产机组在冬季运行的防冻方法,尤其在极寒天气下运行调整的方式,目前仍在积累经验和探索中。根据已有的运行方式,通过不断优化调整,如适当提高机组背压、启动备用真空泵、退出隔离列等,可达到冬季防冻要求,顺利度过寒冷天气。

The anti-freezing method of 330 MW direct air cooling co-generation unit operating in winter,especially in the extreme cold weather,is still in experience accumulation and exploration period. According to the existing operation mode,continuous optimization and adjustments,such as raising the back pressure of units,starting the standby vacuum pump and exit isolation column,are made to meet the winter anti-freezing requirements and overcome the code winter.