催化裂化快速分离系统设计优化
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摘要
为保证催化裂化反应效果、避免大量生焦和改善产物分布,需要精准控制油气与催化剂的停留时间。旋流快分是反应后油气与催化剂分离效果好坏的关键,要求较短的停留时间终止催化裂化反应,以防深度裂解。通过旋流快分综述分析,结合工程实例,论述基于气固流动规律选择合理的分离系统及其对催化裂化反应的影响。
Residence time of the oil gas and catalyst needed to be controlled accurately to prevent formation of large quantity coke and improve the product distribution in order to ensured catalytic cracking reaction. Separation degree of the oil gas and catalyst after the reaction was determined by whirlwind high speed separation,which needed short residence time to end the catalytic cracking reaction in order to prevent the deep pyrolysis. How to select reasonable separation system basing on gas and solid flow rule and its effect on the catalytic cracking reaction were described by whirlwind high speed separation combining with engineer example.
Residence time of the oil gas and catalyst needed to be controlled accurately to prevent formation of large quantity coke and improve the product distribution in order to ensured catalytic cracking reaction. Separation degree of the oil gas and catalyst after the reaction was determined by whirlwind high speed separation,which needed short residence time to end the catalytic cracking reaction in order to prevent the deep pyrolysis. How to select reasonable separation system basing on gas and solid flow rule and its effect on the catalytic cracking reaction were described by whirlwind high speed separation combining with engineer example.
引文
[1]陈俊武.催化裂化工艺与工程[M].2.北京:中国石化出版社,2005:228-230,1020-1024.
[2]山红红,李春义,钮根林,等.流化催化裂化技术研究进展[J].石油大学学报(自然科学版),2005,29(6):135-150.
[3]闰平祥,高金森,徐春明.重油催化裂化反应技术的新进展[J].石化技术,2003,10(1):41-44.
[4]邢颖春,宋健斐,魏耀东,等.催化裂化装置沉降器内结焦形成过程的因素分析[J].石油学报(石油加工),2008,24(6):702-708.
[5]高岱巍,高金森,徐春明,等.重油催化裂化沉降器结焦的研究进展[J].现代化工,2003,23(7):23-29.
[6]孙凤侠,卢春喜,时铭显.催化裂化沉降器旋流快分系统内气相流场的数值模拟与分析[J].化工学报,2005,56(1):16-23.
[7]王江云,毛羽,王娟,等.FCC沉降器内粗旋与顶旋分离器连接结构的优化[J].石油学报(石油加工),2008,24(3):252-255.
[8]卢春喜,徐文清,魏耀东,等.新型紧凑式催化裂化沉降系统的实验研究[J].石油学报(石油加工),2007,23(6):6-12.
[9]卢春喜,时铭显.国产新型催化裂化提升管出口快分系统[J].石化技术与应用,2007,25(2):142-146.
[2]山红红,李春义,钮根林,等.流化催化裂化技术研究进展[J].石油大学学报(自然科学版),2005,29(6):135-150.
[3]闰平祥,高金森,徐春明.重油催化裂化反应技术的新进展[J].石化技术,2003,10(1):41-44.
[4]邢颖春,宋健斐,魏耀东,等.催化裂化装置沉降器内结焦形成过程的因素分析[J].石油学报(石油加工),2008,24(6):702-708.
[5]高岱巍,高金森,徐春明,等.重油催化裂化沉降器结焦的研究进展[J].现代化工,2003,23(7):23-29.
[6]孙凤侠,卢春喜,时铭显.催化裂化沉降器旋流快分系统内气相流场的数值模拟与分析[J].化工学报,2005,56(1):16-23.
[7]王江云,毛羽,王娟,等.FCC沉降器内粗旋与顶旋分离器连接结构的优化[J].石油学报(石油加工),2008,24(3):252-255.
[8]卢春喜,徐文清,魏耀东,等.新型紧凑式催化裂化沉降系统的实验研究[J].石油学报(石油加工),2007,23(6):6-12.
[9]卢春喜,时铭显.国产新型催化裂化提升管出口快分系统[J].石化技术与应用,2007,25(2):142-146.