After repair as per the detailed repair scheme, the high-pressure spiral tube heat exchanger is recovered to normal run.

制定了详尽的返修方案，具体实施后高压绕管式换热器恢复正常运行。

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However due to the complexity in the structure of the heat exchanger, the detailed information of the fluid flow and heat transfer in the shell side can scarcely be described.

但限于换热器结构的复杂性，其壳程流体的流动和换热细节信息还不甚清楚。

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Shell and tube heat exchanger, screw compressor, and electronic expansion valves are detailed selectioned and designed, and a sewage-source heat pump system is designed for a building of Harbin.

对壳管式换热器、螺杆压缩机、电子膨胀阀进行详细的选型和设计计算，对哈尔滨市某办公楼设计出一套污水源热泵系统。

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