延迟焦化装置的用能分析及优化改进  

ENERGY ANALYSIS AND IMPROVEMENT OF DELAYED COKING UNIT

作　　者：王春花[1] 陈梓剑[2] 

机构地区：[1]惠州学院化学工程系,广东惠州516007 [2]中国海洋石油总公司惠州炼油厂,广东惠州516211

出　　处：《石油学报（石油加工）》2010年第5期700-705,共6页Acta Petrolei Sinica(Petroleum Processing Section)

基　　金：国家重点基础研究发展计划"973"项目(20000263);惠州学院博士科研启动项目(508.0202)资助

摘　　要：基于延迟焦化过程的用能特点及过程系统三环节能量结构理论,对国内某炼油厂延迟焦化装置进行了能量平衡和火用平衡计算及其分析,为该装置的用能状况作出了科学的分析和评价,找出了装置的用能瓶颈,并根据分析结果指出了装置的节能方向,提出了相应的用能优化改进措施。通过采取减小循环比、优化分馏塔取热、优化换热网络和利用装置低温热等措施,使装置能耗降低了19.1%。Based on the three-link energy structural model,the energy and exergy for a delayed coking unit in a domestic refinery were analyzed according to its energy consumption characteristics.Its energy-using state was analyzed and evaluated,and the bottle-necks of the unit were found,and the potential for improving energy consumption was identified.In this way,the corresponding measures for improving energy consumption were proposed.The measures included the decrease of recycle ratio,the optimization of pump-around heat removal of main fractionators,the adjustment of heat exchanger network and the optimal utilization of low-temperature heat in the process.Therefore,the energy consumption of the unit was 19.1% lower than that of original process.

关 键 词：延迟焦化装置 三环节能量结构 能量平衡分析 火用平衡分析 

分 类 号：TE624[石油与天然气工程—油气加工工程]