1锅炉给水系统概况和给水异常现象的出现武汉生物制品研究所2台锅炉配有2套并联可切换的给水系统,见图1。软水箱软水经过截止阀1至1~#给水泵升压,再经逆止阀2和截止阀3、4进入省煤器5,加热后经截止阀6、逆止阀7和截止阀8和给水短管11,经锅体短管12和给水布孔短管13进入锅 1 boiler feed water system overview and the emergence of abnormal water supply Wuhan Institute of Biological Products 2 boilers equipped with 2 sets of parallel switchable water supply system, shown in Figure 1. Soft water softener through the stop valve 1 to 1 ~ # to the pump boost, and then through the check valve 2 and the stop valve 3,4 into the economizer 5, heated by the stop valve 6, check valve 7 and the stop valve 8 and Short water supply pipe 11, the short pipe 12 and the feed water through the short tube 13 into the pot