The report introduces fabricating and assembling process of fixed tube sheets type heat exchanger including tube bundle and shell, tubes passing through tube-sheets , etc.
本文介绍了超细长比的大型列管式固定管板换热器管系构架组装，穿管和管系与壳体组装工艺。
After the fabrication of the U type tubular mode heat exchanger core is completed, the shell side hydro-test shall be performed in order to protect the joints of the tube and the tube from leakage.
U型管式换热器芯子制作后应进行壳程水压试验，以确保管接头及管不泄漏。
The mechanisms of heat transfer enhancement and pressure drop reduction are analyzed of a new type of rod baffle shell and tube heat exchanger with spiral groove tube bundles.
描述了新型折流杆换热器的强化传热和降低壳层压力降的原理，它与传统折流板换热器相比，传热效率高，材料及能耗小。
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