催化裂化外取热器管束结构设计及计算

Structure Design and Calculation of External Cooler in Catalytic Cracking Unit

外取热器是催化裂化装置中保持反应器、再生器热平衡的主要设备。详细介绍了下流式外取热器翅片式管束的特点,并从选材、结构设计、强度计算和制造检验几方面对其分析。

External cooler is main equipment for keeping thermal balance of reactor and regenerator in catalytic cracking unit. In this article, characteristics of downward external cooler finned tubes were introduced, and material selection, structure design, strength calculation, manufacture and test of the external cooler were described.