阐述了新型U形管换热器的结构特点，介绍了该种换热器在粗甲醇系统的应用情况。
A new U-shaped heat exchanger is presented, and its structural characteristics are discussed. The U-shaped heat exchangers are used in the industrial crude methanol system.
阐述了新型U形管换热器的结构特点，介绍了该种换热器在粗甲醇系统中的应用情况。
A description is made of the structural characteristics of the new-type U-tube heat exchanger, and an introduction is given to its use in the crude methanol system.
借助光学和扫描电子显微镜，从材料成分、微观组织和性能角度，分析了U 形管换热器开裂原因。
The cracking causes of a U shaped tube heat exchanger were analysed in material compositions, microstructure, properties with the help of optional microscope and SEM.
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