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乙烯裂器快速火的故障分析

Zhihong Duan¹, Weiqi Lian², Pujie Zhan^2,3

¹School of Energy and Power Engineering, Guangdong University of Petrochemical Technology, Maoming, 525000, China.

|July 29, 2024

概括

快速灭炉热交换管由于高温氧气腐蚀和由积形成的氧化而失效. 这项研究分析了乙烯工厂设备的故障原因,并提出了对策.

科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
腐蚀工程腐蚀工程

背景情况:

快速火中的腐蚀和泄漏是乙烯工厂的重要问题.
故障会破坏设备的运行,需要有效的保护策略.

研究的目的:

调查火的热交换管中腐蚀和泄漏的原因.
分析故障机制,提出有效的防腐蚀保护策略.

主要方法:

宏观观测,化学成分,机械性能和金属学分析.
断裂表面形态,能量频谱分析和现场过程参数评估.
用X射线衍射 (XRD) 来进行尺度分析和使用自由函数方法来计算临界温度.

主要成果:

热交换管的穿孔是由于高温氧气腐蚀和氧化而导致的,由于积而导致的氧化.
主要由Fe2O3和Fe3O4组成,表明长期形成.
自发腐蚀和氧化过程中计算的临界过渡温度为785°C (1058 K).

结论:

垢积累,可能来自上游生,加剧了高温腐蚀.
高温氧气腐蚀和氧化是热交换管的主要故障原因.
建议采取对策,以减轻腐蚀,提高炉的寿命.

关键词:

腐蚀泄漏情况腐蚀泄漏情况高温氧化过程中的高温氧化.高温氧气腐蚀的高温氧气腐蚀快速火炉的快速火方式

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