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.
对哈氏合金U形管换热器频繁出现的腐蚀断裂问题，从材质、运行工况等方面进行了分析，采取了更换材质等防腐技术措施，收到了很好效果。
The frequent cracking in U-tube heat exchanger caused by corrosion at Lanzhou Petrochemical Corporation were analyzed in terms of materials, running conditions, overhaul operation etc.
本文的设计与研究对于管壳式换热器尤其是U形管式换热器的工程设计具有一定的参考价值。
The design and research of the paper has certain reference value to shell-and-tube heat exchanger especially U-tube heat exchanger engineering design.
因此，中国石化工程建设公司于2002年重新绘制了工程图，并将其命名为《U形管式换热器系列工程图》。
Then SINOPEC engineering incorporation drew up the engineering drawing a-gain in 2002, and it was named as 《U shape tubular heat exchanger series engineering drawing》.
分析了U形管管径、单孔内u形管数量及热泵机组设计进水温度对换热器换热效果的影响。
Analyses the effect of U-tube diameter, tube quantity in each hole, and the design inlet water temperature of a heat pump unit on the heat exchange capability.
分析了U形管管径、单孔内u形管数量及热泵机组设计进水温度对换热器换热效果的影响。
Analyses the effect of U-tube diameter, tube quantity in each hole, and the design inlet water temperature of a heat pump unit on the heat exchange capability.
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