改质炉高温炉管运行损伤及剩余寿命分析

徐宏; 夏翔鸣; 等

徐宏, 夏翔鸣, 等. 改质炉高温炉管运行损伤及剩余寿命分析[J]. 华东理工大学学报（自然科学版）, 2001, (4): 399-402.

引用本文:

徐宏, 夏翔鸣, 等. 改质炉高温炉管运行损伤及剩余寿命分析[J]. 华东理工大学学报（自然科学版）, 2001, (4): 399-402.

Degradation and Residual Life Assessment of Reformer Furnace Tubes after Long-term Service at Elevated Temperature[J]. Journal of East China University of Science and Technology, 2001, (4): 399-402.

Citation:

Degradation and Residual Life Assessment of Reformer Furnace Tubes after Long-term Service at Elevated Temperature[J]. Journal of East China University of Science and Technology, 2001, (4): 399-402.

改质炉高温炉管运行损伤及剩余寿命分析

Degradation and Residual Life Assessment of Reformer Furnace Tubes after Long-term Service at Elevated Temperature

摘要

摘要: 对高温运行70000h至90000h改质炉炉管进行试验研究及材料损伤分析，结果表明，炉管的材料性能已严重劣化（脆化），炉管的内外壁已有微小裂纹萌生，测定了炉管材料在950℃、各种应力水平下的断裂时间，根据时间-温度参数L-M公式，推测炉管的剩余寿命为8510h。

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