在役12Cr1MoV钢锅炉集箱接管试验分析与状态评估  

Test analysis and status evaluation of header nozzle of 12Cr1MoV steel boiler in service

作　　者：李昱伟 周勇[1] 王博[2] LI Yuwei;ZHOU Yong;WANG Bo(Xi'an Shiyou University,Xi'an 710065,Shaanxi China;Xi'an Thermal Power Research Institute Co.,Ltd.,Xi'an 710032,Shaanxi China)

机构地区：[1]西安石油大学,陕西西安710065 [2]西安热工研究院有限公司,陕西西安710032

出　　处：《锻压装备与制造技术》2022年第5期131-134,122,共5页China Metalforming Equipment & Manufacturing Technology

摘　　要：对某3号锅炉对流过热器出口集箱12Cr1MoV钢接管进行了理化性能试验分析,结果表明:管样显微组织老化严重,强度较低。根据试验结果对该接管的运行监督提出了建议。为安全起见,类似1#-3#管样的管座不宜长期使用,应加强监督,择机更换。The physical and chemical properties of 12Cr1MoV steel nozzle at the outlet header of convection super-heater of some 3#boiler have been tested and analyzed.The results show that the microstructure of the pipe sample has been seriously aged with low strength.According to the test results,some suggestions have been put forward for the operation supervision of the header nozzle at the outlet of the convection super-heater of the boiler.For the sake of safety,pipe sockets similar to 1#-3#pipe samples should not be used for a long time,while supervision should be strengthened and the machine should be selected for replacement.

关 键 词：12CR1MOV钢 集箱接管 显微组织 强度 

分 类 号：TG113[金属学及工艺—物理冶金]