两段提升管催化裂化工业装置的操作条件优化  

Optimization of operation conditions of two-stage riser catalytic cracking industrial unit

作　　者：尤兴华[1] 桑运超 刘永红 李春义[1] 杨朝合[1] 山红红[1] 

机构地区：[1]中国石油大学(华东)重质油国家重点实验室,山东东营257061 [2]中国石油玉门油田分公司炼油化工总厂,甘肃玉门735200

出　　处：《石化技术与应用》2007年第5期429-433,共5页Petrochemical Technology & Application

基　　金：国家自然基金重大项目子课题(化工过程中的时空多尺度结构及其效应--催化裂化提升管反应器的时空多尺度结构研究;项目号20490200)

摘　　要：对中国石油玉门油田分公司80万t/a两段提升管催化裂化(TSRFCC)装置进行了操作条件优化.优化结果为:原料油预热温度250℃,一段提升管出口温度510℃,二段提升管出口温度525℃,原料掺渣比约35%,所产总油浆的3%～4%(质量分数)外排,粗汽油回炼时从二段提升管油浆回炼喷嘴的上方进料,采用LV-23型FCC催化剂.在此优化条件下操作,装置的总液体收率约为81.94%,催化剂单耗为3.58 kg/t.The operation conditions of the two-stage riser fluid catalytic cracking(TSRFCC) unit in Yumen Oil-Field Company of PetroChina with capacity of 800kt/a were optimized.The optimum conditions were:feedstock preheating temperature 250℃,first and second riser outlet temperature 510,525℃ respectively,blending ratio of vacuum residue in feedstock about 35%,the mass fraction of discharging decanted oil 3%-4%,the recycling rude gasoline feeding above nozzle of recycling decanted oil,using LV-23 type FCC catalyst.When the unit were operated under those optimized conditions,the total liquid yield approached 81.94%,and the consumption of catalyst was 3.58 kg/t.

关 键 词：催化裂化 两段提升管 提升管出口温度 掺渣比 油浆 粗汽油回炼 总液体收率 

分 类 号：TE624.4+1[石油与天然气工程—油气加工工程]