板式换热器在初次投用时,为避免瞬间压力动摇过大形成板式换热器走漏,须一起稍开冷热介质进水阀门,排尽换热器内气体后缓慢升压直至全开进口阀门,然后再缓慢一起稍开冷热介质出水阀门。盲目地开关进出水阀门或许其他原因形成的介质压力动摇,都有或许形成板式换热器的走漏。
为了减少不锈钢板式换热器的检维修清洗次数,一般在冷热介质的进口管线上设有粗过滤器,防止3一5mm的颗粒杂物堵塞板片通道。当过滤器的前后压差较大时,可以拆开过滤器清洗。过于频频地清洗过滤器也会形成板式换热器因板片通道堵塞而失效。
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