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针对南帕斯凝析油接卸作业过程中易产生较高含量有毒气体的问题,分析了凝析油的基本性质和硫化物分布情况,以识别其有毒气体成分。描述了接卸作业前和码头接卸作业两个阶段的注意事项:接卸作业前应对各个作业环节进行风险识别,制定应急方案,并确保设备完整;码头接卸作业前先进行作业准备,划定作业警戒区且保证消防通道畅通,接卸作业时,持续进行硫化氢检测,接卸作业后,及时对管道进行置换。最后,指出检尺口和卸船舱口为主要泄漏风险部位,提出了解决措施。
In view of the problem that Nanpas condensate is easy to produce toxic gas in the process of loading and unloading, the basic properties of condensate and the distribution of sulfide are analyzed to identify the toxic gas components. Describes the two steps before and after loading and unloading operations and dock loading and unloading precautions: before loading and unloading operations should be carried out on all operational aspects of risk identification, development of contingency plans and ensure the integrity of the equipment; dock loading and unloading operations before the operation preparation, planning Assigned to the warning area and to ensure that the fire escapes unobstructed, pick-and-drop operations, continuous testing of hydrogen sulfide, unloading operations, the timely replacement of the pipeline. Finally, it is pointed out that the inspection mouth and the unloading hatch are the main leakage risk parts, and the solutions are put forward.