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化工学报  2015 

FCCU反再系统异常工况的安全分析

DOI: 10.11949/j.issn.0438-1157.20150866, PP. 3649-3653

Keywords: FCCU,动态模拟,JIT,安全分析

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Abstract:

石油化工行业因生产规模大、生产工艺复杂、原料多易燃易爆,所以具有高危险性。对石化行业进行安全分析是保证安全生产的重要途径。基于石油催化裂化(FCCU)反再系统动态模型实现了再生催化剂失活、再生器稀相尾燃、反应器催化剂跑损3种异常工况的动态模拟。将工商管理模式的及时生产方式(just-in-time,JIT)应用于反再系统的安全分析,建立了上述4种异常工况的简化模型,实现了异常工况的及时识别。该方法能够有效地辨识不同状态下过程的运行规律,具有一定的可行性和优势,可以为实际生产安全提供准确、可靠的指导。将JIT理论用于动态过程的非线性分析,希望为动态系统的辨识提供一种新思路。

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