摘要
阐述了裂解炉含铝高温合金炉管的发展历程及其在乙烯装置的应用情况。介绍了目前已经商业化的含铝高温合金炉管的性能和应用情况。从蠕变特性和氧化膜形成过程两个角度,分析了含铝高温合金炉管组成成分对炉管性能的影响。从裂解炉运行周期、稀释蒸汽用量、炉管力学性能等指标对比了铬镍合金炉管和含铝高温合金炉管在乙烯装置的应用情况,总结了含铝高温合金炉管的应用为乙烯装置带来的优势,展望了这类新型炉管在国内乙烯行业的发展前景。
The development of high temperature alumina-forming alloys for cracking furnaces and its application in ethylene plants were described.From the perspective of creep characteristics and oxide film formation,the relationship between the composition and performance of alumina-forming alloys was analyzed.The application of furnace tube made of chromium-forming alloys and alumina-forming alloys in ethylene plants was compared by cracking furnace run length,dilution steam consumption,mechanical properties,and other indexes,and the advantages of applying alumina-forming alloys in ethylene plants were summarized.The future development of these new furnace tubes in the domestic ethylene industry has prospected.
作者
陈起
张国栋
蒋鹏飞
李建新
万家川
CHEN Qi;ZHANG Guo-dong;JIANG Peng-fei;LI Jian-xin;WAN Jia-chuan(PetroChina Planning and Engineering Institute,Beijing 100083,China;PetroChina Dushanzi Petrochemical Company,Dushanzi 833699,China)
出处
《石油化工设备》
CAS
2023年第5期80-84,共5页
Petro-Chemical Equipment
关键词
裂解炉
含铝高温合金
炉管
氧化膜
运行周期
cracking furnace
high temperature alumina-forming alloy
furnace tube
oxide film
run length