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什邡脱硫除雾器冲洗周期
冲洗周期是指除雾器每次冲洗的时间间隔。由于除雾器冲洗期间导致烟气带水量加大所以冲洗不宜过于频繁,但也不要间隔太长,否则易产生结垢现象,除雾器的冲洗周期主要根据烟气特征及吸收剂确定,一般以不**过2h为宜,也就是不冲洗为冲洗时间的3~6倍;循环单道时间在20-60秒之间。
Mist eliminator Flushing waterpressure
The water pressure of the demister is generally determined by the distance between the characteristics of the flushing nozzles and the demister (the distance between the nozzle and the demister is generally 650-900mm), and the washing effect is poor when the water pressure is low. The high pressure of washing water can cause the two time to bring water to the flue gas. At the same time, the service life of the blade is reduced. In general, the first grade demister uses two layers of flushing, and the front layer of the flue gas (the mist eliminator) is flushed up, the water pressure is less than 2.5-105pa, and the deatomizer is washed down on the back of the mist, and the water pressure is 1. 5-105pa within. The two stage mist eliminator is washed by one layer and the same level as hydraulic pressure. The reverse side does not wash, so as not to cause two times to carry. The specific value must be determined according to the working condition.
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