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2018-01-30View Original

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Reply #22018-01-30

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Reply #32018-01-30

. �装置物的液位下降很厉害，我想降低锅炉压力是不是锅炉压力降低的同时其水的蒸发量也会增大？请大家说说，谢谢加分

Reply #42018-01-30

你们的炉炉是不是漏了？蒸汽流量跟给水流量差的很多

Reply #52018-01-30

从相平衡上上说汽汽锅炉饱和蒸汽状态降低压力，温度不变的话蒸发量会增大但又会建立新的平衡所以不提倡随便降低压力这对锅炉液位波动有很大影响！

Reply #62018-01-30

压力降低，温度也降低，蒸发量增大

Reply #72018-01-30

压力降低，温度也降低，蒸发量增大

Reply #82018-01-30

同意3楼，换热一定条件下降低锅炉压力会导致锅炉蒸发量在短时间内增大由于汽水返回密度下降短时间内会抬高锅炉液位此时如果不及时大进水后面补水显得更费力不久锅炉会在低压力下达到新的平衡。

Reply #92018-01-31

八. 锅炉输入的热量不变压力降低蒸发发力增大。但增加这个发力不大焓值。

Reply #102018-01-31

八. 锅炉压压力降低水的沸点随压力的降低而降低短时间内会有大量水蒸发同时吸收大量的热使得锅炉内温度降低直至建立新的平衡。

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