乙烯裂解毫秒炉辐射炉管的技术改造  

THE TECHNICAL REFORM FOR MILLISECOND RADIANT TUBE OF ETHYLENE CRACKING FURNACE

作　　者：王崇明 朱正写 李复员 张小宇 

机构地区：[1]中国石油兰州石化分公司,甘肃兰州730060

出　　处：《石油化工设备技术》2008年第1期4-6,19,共4页Petrochemical Equipment Technology

摘　　要：将国产的新型材料35Cr-45Ni+Nb+MA炉管成功地运用到乙烯裂解毫秒炉中,解决了原炉子使用25Cr-35Ni-Nb炉管存在的不足,使炉子的投油周期由15天增加到30天。It has been succeeded in prolonging operation—cycle from 15 days to 30days by u- sing the novel material of 35Cr—45Ni+Nb+ MA produced domestically to solve the problem which occurred on the tube with material of 25Cr-35Ni-Nb in ethylene cracking millisecond furnace,

关 键 词：乙烯裂解 毫秒炉 辐射炉管 焊接热裂纹 

分 类 号：TQ221.211[化学工程—有机化工]