结果表明渗碳是引起炉管失效的主要原因。通过计算得到的炉管失效方式、位置和炉管寿命均与实际运行结果基本吻合。
As for the way and location of the failure of tubes and the life of tubes, the calculated results are in good agreement with the actual results.
当制氢转化炉炉管发生局部失效时，采用局部更换炉管方法可延长整根炉管的使用寿命。
When a reformer furnace tube locally failed, the whole furnace tube service life will be extended by replacing the failed furnace tube.
在考虑渗碳损伤的前提下对炉管的剩余寿命进行了评估。
The residual life of the tubes is estimated based on the carburizing damage analysis.
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