关键词: 延迟焦化, 技术措施, 述评

Abstract: The feedstock, operating conditions, process flow, major equipments, environmental and safety designs for delayed coking unit were reviewed including home and abroad. Based on the comparison, problems existed in domestic delayed coking were summarized and some suggestions, such as maximizing the distillates yield, reducing recycle ratio and coking time to increase throughput, adopting distillates recycle technology to improve product slates and enhancing the adaptability of processing poor quality residue feeds were proposed.

Key words: delayed coking, technical measure, review