流化裂化装置再生烟气在线气体分析仪选用  

Selection of On-line Gas Analyzer for Regenerated Flue Gas for FCC Unit

作　　者：胡成通 范咏峰 Hu Chengtong;Fan Yongfeng(Synfules China Engineering Co.Ltd.,Beijing,10028,China)

机构地区：[1]中科合成油工程有限公司,北京100028

出　　处：《石油化工自动化》2022年第5期94-97,共4页Automation in Petro-chemical Industry

摘　　要：再生烟气具有高温、高粉尘、高流速的特点,其中O_(2),CO,CO_(2)等组分含量变化能准确反映出催化剂再生烧焦深度,进而影响下游反应产物的构成。分析比对了氧化锆式氧分析仪、顺磁氧式氧分析仪、激光气体分析仪、红外线分析仪等成熟工业气体分析仪产品性能。结合具体案例,根据再生烟气工艺参数,选用了在线原位式激光气体分析仪,该分析仪具有响应时间快、稳定性好,维护成本低的特点,是保证催化剂再生正常运行的关键并为后续流程控制提供了参考。The regenerated flue gas has the characteristics of high temperature,high dust and high flow rate.Among which,the content changes of O_(2),Co,CO_(2) and other components can accurately reflect the burned depth of catalyst regeneration,and further affect the composition of downstream reaction products.The performance of matured industrial gas analyzer of zirconia oxygen analyzer,paramagnetic oxygen analyzer,laser gas analyzer,infrared analyzer and other gas analyzers are analyzed and compared.Combined with specific cases,according to the process parameters of regeneration flue gas,the online insitu laser gas analyzer is selected.The analyzer has the characteristics of fast response time,good stability and low maintenance cost.It is the key to ensure the normal operation of catalyst regeneration and to provide a reference for subsequent process control.

关 键 词：流化催化裂化 气体分析仪 激光气体分析仪 原位式 响应时间 

分 类 号：TH83[机械工程—仪器科学与技术]