珠海LNG装置技术分析与运行情况

Technical analysis and operation status of LNG plant in Zhuhai

珠海LNG装置是中国海洋石油总公司第一套建成投产的小型天然气液化装置,采用的工艺技术先进,相关技术及设备国产化程度较高。详细介绍了珠海液化天然气装置MDEA混合胺法脱碳、4A分子筛深度脱水、PRCIO混合制冷及LNG储存工艺技术流程,分析了液化装置各单元生产运行的情况,对生产实践中暴露出的问题进行了归纳总结,有针对性地提出了优化操作要点及解决方法,对国内其他在建或已投产的同类天然气液化装置具有一定的技术指导性及借鉴作用。

As the first LNG plant in China National Ocean Oil Company(CNOOC),Zhuhai LNG plant has adopted advanced technology and equipments with high home-manufactured degree.The paper introduced the technical processes in the Zhuhai LNG plant of CNOOC,including MDEA decarbonization process,4A molecular sieve deep dehydration process,PRICO mixture refrigerant process and LNG storage process,analyzed the plant operating status,summarized the problems exposed in practical operation and proposed the solutions.It could provide technical reference for domestic similar LNG devices.