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我厂一台SZL10-1.25-AⅡ组装蒸汽锅炉曾发生一次汽水共腾事故。当时水位表内的水位线急剧波动,锅炉上水后水位迅即降到极低点;蒸汽大量带水,蒸汽管道和分汽缸内大部分是水,造成用汽机台全部停产。由于及时压火停炉,未引起水冲击。 锅炉发生汽水共腾一般出于以下几方面原因。（1）锅内水位过高,主汽阀开得过快;（2）负荷增加过大、过急;（3）给水质量不良,或不按规定排污,炉水盐分增多。
I plant a SZL10-1.25-A Ⅱ assembly steam boiler once occurred in a total accident Tung Teng accident. At that time, the water level in the water table fluctuated sharply, and the water level of the boiler immediately dropped to the extremely low point after it was launched. Most of the water in the steam pipe and the water in the steam pipe and sub-cylinder were water, resulting in the shutdown of all the steam engine units. As a result of timely fire shutdown furnace, did not cause water shocks. Boiler soda occur in general for the following reasons. (1) the water level in the pot is too high, the main steam valve is driven too fast; (2) the load is increased too much or too quickly; (3) the quality of the water supply is poor or the sewage is not discharged according to regulations;