粉焦对延迟焦化装置长周期运行影响分析  

Analysis of Influence of Powder Coke on Long-term Operation of Delayed Coking Unit

作　　者：曲擎坤 Qu Qingkun(SINOPEC Zhenhai Refining and Chemical Company,Ningbo,Zhejiang 315207)

机构地区：[1]中国石油化工股份有限公司镇海炼化分公司,浙江宁波315207

出　　处：《石油化工技术与经济》2023年第4期26-30,共5页Technology & Economics in Petrochemicals

摘　　要：分析了延迟焦化装置生产过程中,原料性质特别是渣油组成,以及主要操作条件变化对焦化反应的影响;介绍了生成泡沫层及软焦的过程;说明了粉焦的来源。文章还提出了针对性的操作调整措施,在焦化装置予以实施,以减缓粉焦的生成,确保焦化装置长周期稳定运行。The influences of properties of raw materials,especially the composition of residual oil and changes in main process conditions on the coking reaction in the production process of delayed coking unit are analyzed.The process of forming foam layer and soft coke are introduced,and the source of powder coke was explained.A specific operation adjustment scheme is proposed to be implemented in the coke unit to slow down the generation of powder coke and ensure the long-term stable operation of the coking unit.

关 键 词：延迟焦化 软焦 渣油组成 粉焦 

分 类 号：TE624[石油与天然气工程—油气加工工程]