在役21/4Cr-1Mo钢制加氢反应器回火脆化试验研究  

EXPERIMENTAL RESEARCH ON THE TEMPER EMBRITTLEMENT OF THE 2.25Cr-1Mo STEEL USED IN THE HYDROGENATION REACTOR

作　　者：吴庆洋[1] 

机构地区：[1]中国石油化工股份有限公司镇海炼化分公司,浙江宁波315207

出　　处：《石油化工设备技术》2010年第6期9-14,共6页Petrochemical Equipment Technology

摘　　要：通过对加氢精制反应器中放置了14年的挂块进行母材化学成分分析、堆焊层铁素体含量测定、母材和焊缝拉伸试验及冲击试验并在扫描电镜下对冲击断口进行微观观察与分析。同时把本次试验结果与在加氢裂化反应器中放置4年的挂块分析数据进行比较,分析挂块的脆化状况,进而研究获得该钢材的脆化规律,评定该反应器的使用状况。This paper carries out micro-observation and analysis on the impact fracture of the hanging block which has been placed in the hydrogenation reactor for 14 years through chemical composition analysis of the base metal,welding layer ferrite determination of the base metal,weld tensile test,impact test and scanning electron microscope.Meanwhile,it compares the test results with the analysis data of the hanging block which has been placed in the hydrogenation reactor for 4 years to analyze the embrittlement of the hanging block for the embrittlement law of such steel to assess the application condition of the reactor.

关 键 词：加氢反应器 挂块 回火脆化 脆化度 

分 类 号：TQ052[化学工程]