国内延迟焦化技术面临的挑战和发展方向  

DISCUSSION ON THE CHALLENGE AND DEVELOPMENT OF DELAYED COKING TECHNOLOGY IN CHINA

作　　者：李出和[1] 李晋楼[1] 

机构地区：[1]中国石化工程建设有限公司,北京100101

出　　处：《石油化工设计》2015年第4期56-61,8,共6页Petrochemical Design

摘　　要：从大型化、加工原料劣质化、运行周期、操作参数和安全环保等方面分析研究了国内现有延迟焦化装置的技术水平,阐述了延迟焦化技术目前在产品结构、石油焦出路、轻油收率、渣油加工的地位和环境保护等方面所面临的挑战,提出了降低焦炭产率和提高蜡油收率、加工更加劣质的渣油、开发针状焦生产技术、拓宽焦化装置的原料来源及产品用途,以及进一步提高环保水平等是延迟焦化技术当前发展的方向。The delayed coking technology in China is analyzed from the aspects of large-scale capacity,inferior feed stock,run length,operating parameter,and safety and environmental protection.The challenges that delayed coking technology is facing currently in product structure,coke product outlet,light oil yield,residue processing status and environmental protection are discussed.The developing direction of delayed coking technology is put forward including reducing coke yield and maximizing liquid yield,processing inferior residue,developing needle coke technology,broadening the industrial chains of delayed coking unit and improving the level of environmental protection.

关 键 词：延迟焦化 技术 挑战 发展 

分 类 号：TE624.32[石油与天然气工程—油气加工工程]