The letdown heatexchanger reduces letdown fluid temperature to a value that is compatible with the ion exchanger resin.
下泄热交换器将流体的温度降到合适的定值，这个温度下，净化床工作允许。
2
For heatexchanger tube fluid shunt uneven problems, the some design improvements of theheat exchanger has been made in the paper. But there is still huge shortage.
针对换热器管程流体分流不均匀的问题，还提出了对换热器的一些改进措施，但这些措施还有很大的不足。
3
A general steady distributed parameters model of fin-and-tube heatexchanger with complex refrigerant circuits was developed based on two-phase fluid network.