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在研究了某加氢反应器不同工况下的应力场和简体内表面多裂纹应力强度因子、高温与介质对筒体的影响以及氢损伤等问题的基础上，初步给出了具有多裂纹时筒中危险裂纹的判断方法，对反应器在工作压力、工作温度及超温、激冷等工况下进行了应力分析，提出了该加氢反应器内裂纹形成的原因及扩展后的结果，得出了工作压力引起的应力对筒体不能构成威胁的结论。
Based on the research on the stress field under different working conditions of a hydrogenation reactor, the stress intensity factor of multi-crack on the simplified inner surface, the influence of high temperature and medium on the cylinder and hydrogen damage, The method of judging the dangerous crack in the barrel was used to analyze the stress of the reactor under working pressure, working temperature, over-temperature and chilling conditions. The reason of crack formation in the hydrogenation reactor and the result of expansion were put forward Out of the stress caused by stress on the cylinder can not pose a threat conclusion.