新加坡炼油厂升级改造方案研究  

Study on Upgrading Schemes for Singapore Refinery

作　　者：刘娜娜 王宝昌 Liu Nana;Wang Baochang(PetroChina Intermational(Singapore)Pte.,Ld.,Singapore 039192)

机构地区：[1]中国石油国际事业有限公司新加坡分公司,新加坡039192

出　　处：《中外能源》2022年第8期53-58,共6页Sino-Global Energy

摘　　要：年加工规模1450×10^(4)t的新加坡炼油厂,因工艺配置不均、加工深度不足等原因导致炼油厂每年有大量低价值的高硫燃料油和轻质石脑油出厂,使得炼油厂的净现金利润逐年下降,已经处于亚太区盈利水平的末端。为解决以上低价值产品的出厂问题,在综合考虑重油加工技术成熟度和投资强度,并结合炼油厂加工原油特性和目标产品市场前景的前提下,研究团队配置了“渣油加氢”“渣油加氢+重油催化裂化”和“延迟焦化+蜡油加氢”三种升级方案,并对三种方案的产品结构和投资经济性做了对比分析。结果表明,采用“渣油加氢脱硫+重油催化裂化”为核心流程的改造方案,辅助建设连续重整装置,不仅有良好的氢气协同效益,而且将炼油厂以汽、煤、柴油为代表的轻质油收率从62.8%提高到71.0%,烯烃和芳烃等化工产品比例从1%提高至5%,而低价值产品比例由28.9%降低到7.6%,项目的投资内部收益率为12.41%,实现了产品结构和质量提升,也显示出良好的投资经济性。The Singapore refinery,with an annual capacity of 14.5 million tons,delivered a large amount of low-value high-sulfur fuel oil and light naphtha each year due to the uneven process configuration and insufficient processing depth.As a result,the net cash profit of the refinery had decreased year by year to the bottom of the profitability in the Asia-Pacific region.To minimize the delivery of such low-value products,taking into consideration the maturity and investment intensity of heavy oil processing technologies as well as the characteristics of crude oils processed and the market prospects of target products,three upgrading schemes including VRDS,VRDS-RFCC and delayed coking-gas oil hydrotreating were proposed,and the product structure and investment economy of the three schemes were compared and analyzed.The results showed that the VRDS-RFCC scheme supplemented with the construction of continuous reforming unit not only had good hydrogen synergy,but also increased the light oil yield represented by gasoline,kerosene and diesel from62.8% to 71.0%,increased the proportion of chemical products such as olefins and aromatics from 1% to5%,and decreased the proportion of low-value products from 28.9% to 7.6%.The internal rate of return on investment of the project was 12.41%,the product structure and quality were improved,and good investment economy was achieved.

关 键 词：海外炼油厂 高硫燃料油 渣油加工 重油催化裂化 轻质油收率 

分 类 号：TE68[石油与天然气工程—油气加工工程]