塔河常压渣油焦化辐射段进料性质及结焦倾向的研究  

Research on the properties and coking tendency of delayed coking heater radiation section feed for Tahe atmospheric rediscue

作　　者：李节[1,2] 王训遒[1] 王洪彬[2] 刘淑芳[2] 黄新龙[2] 

机构地区：[1]郑州大学化工与能源学院,河南郑州450001 [2]中国石化炼化工程(集团)股份有限公司洛阳技术研发中心,河南洛阳471003

出　　处：《石化技术与应用》2016年第6期473-475,479,共4页Petrochemical Technology & Application

基　　金：中国石化科研开发课题资助项目(项目编号:110063)

摘　　要：以塔河常压渣油为原料,分别在延迟焦化中试装置及重油结焦评价装置上,考察了循环比对循环油性质、加热炉辐射段进料性质及其结焦趋势的影响。结果表明:当循环比由0.92降低到0.39时,循环油和加热炉辐射段进料的密度增加,性质趋于劣化,结焦趋势加重;与国内同类装置对比可知,当塔河延迟焦化装置的循环比降至约0.5时,不会造成炉管严重结焦,加热炉运行是安全的。The effects of cycle ratio on properties of recycle oil,heater radiation section feed and its coking tendency were investigated with Tahe atmospheric residue as stock in a delayed coking pilot plant and a heavy oil coking evaluation device. The results showed that the densities of recycle oil and heater radiation section feed increased with the cycle ratio decreasing from 0. 92 to 0. 39,the properties tended to deteriorate,and the coking factors of these oils increased significantly. Compared with the domestic similar units,when the cycle ratio of Tahe delayed coking unit reduced to about 0. 5,it could not cause serious coking of furnace tube,and the operation of heating furnace was safe.

关 键 词：塔河常压渣油 焦化 循环比 加热炉 结焦 

分 类 号：TE624.32[石油与天然气工程—油气加工工程]