EA302中间冷却器制造技术

Construction Technology of Steam Cooler for EA302 Dehydrogenation-mixture

本文简要介绍了聚苯乙烯装置中的关键设备EA302脱氮混合物蒸汽中间冷却器的制造过程，以及在制造过程中针对设备的结构特点，材料特性而采用的技术措施和焊接方法，为今后同类设备的制造提供了经验。

This article is a brief introduction to the fabrication process of the key equipment-EA302 dehydrogenation mixture/steam intermediate exchanger, the technial measures andwelding methods used in the process based on the structure features and material properties.It provides the experience for the fabrication of the same kind of equipment and the weldingof the same kind of material.