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Failure characteristic analysis of Shell gasification furnace
Author(s): 
Pages: 53-57
Year: Issue:  6
Journal: Chemical Engineering

Keyword:  Shell gasification furnacerunning technologyfailure mechanism;
Abstract: 煤气化炉各个功能工段的运行工艺条件不同,整套装置的材质因其工况要求而不同,在整套设备运行过程中工况又是非常复杂多变的,文中以某石化厂的壳牌气化炉的实际运行工艺与条件为基础对其失效机理进行初步研究.结果表明:在shell气化炉的气化反应段、急冷段、输气管段、反向段、合成器冷却段,因其不同的运行工况导致出现不同程度的回火脆化、热疲劳、冷凝腐蚀、高温硫化、冲蚀等现象,依此为依据对气化炉的失效机理进行初步分析,并总结了气化炉的结构特点及其检验要点,为安全运行制定周期检验提供理论基础和指导.
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