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首页> 外文会议>14th international conference amp; exhibition on liquefied natural gas (LNG 14) >DESIGNING SAFETY INTO LNG EXPORT / IMPORT PLANTS
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DESIGNING SAFETY INTO LNG EXPORT / IMPORT PLANTS

机译：为LNG出口/进口植物设计安全

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Safety is of paramount importance in the design of any process plant and in particular of LNG liquefaction as well as regasification plants. In principle, an LNG plant should be in compliance with the safety requirements, norms, policies and guidelines issued by local and international authorities. rnHow to comply with these standards, in a logical and systematic way during engineering design, to ensure the integrity of an LNG plant under all foreseeable ways of operation is discussed in this paper. Similarly, it emphasizes the need to discuss hazardous situations and incidents that could happen and that have to be resolved quickly to minimize uncontrolled loss of containment and how operational risks have to be assessed for acceptability in order to deliver a cost effective design. rnThe use of standards such as the National Fire Protection Association (NFPA- 59A), its provisions and alternatives are discussed in determining the hazard footprint of a facility. This includes the evaluation of risks to facilities inside and outside the plant (thermal radiation and vapor dispersion calculations) due to possible spill scenarios and in the possible event of a terrorist attack on storage tanks, ships, etc. with the corresponding release of LNG. rnThe paper illustrates the application, to LNG plants, of the International Electrotechnical Commission (IEC-61508/61511) procedures to determine that the safety level of the instrumentation system is consistent with the risk acceptance criteria of the project. The importance of using HAZID and HAZOP procedures at different points in the design, as well as several 3D model reviews of the plant by an audit team are described.
机译：在任何加工厂的设计中，尤其是液化天然气液化以及再气化工厂的设计中，安全至关重要。原则上，液化天然气工厂应符合地方和国际当局发布的安全要求，规范，政策和准则。本文讨论了如何在工程设计过程中以逻辑和系统的方式遵守这些标准，以确保液化天然气工厂在所有可预见的运营方式下的完整性。同样，它强调需要讨论可能发生的危险情况和事件，必须迅速解决这些问题，以最大程度地减少无法控制的密闭性损失，以及如何评估操作风险的可接受性，以提供具有成本效益的设计。 rn在确定设施的危险足迹时，讨论了使用国家消防协会（NFPA-59A）等标准，其规定和替代方法。这包括评估由于可能发生的泄漏情况以及在可能发生的情况下恐怖分子袭击储罐，轮船等而释放相应的液化天然气的情况下，对工厂内部和外部设施的风险（热辐射和蒸汽扩散计算）。本文说明了国际电工委员会（IEC-61508 / 61511）程序在LNG工厂中的应用，以确定仪器系统的安全级别是否符合项目的风险接受标准。描述了在设计的不同点使用HAZID和HAZOP程序的重要性，以及审核团队对工厂进行的3D模型复审的重要性。

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