摘要
加氢循环压缩机是加氢装置中关键的动力设备,加氢循环氢压缩机运行过程中最容易出现的故障是活塞杆断裂,而其断裂原因往往各不相同,针对不同情况下活塞杆的失效原因,避免其失效对加氢装置机组的安全运行具有重要意义。针对某氢循环压缩机活塞杆发生断裂失效问题,通过对断裂后的活塞杆进行宏观和微观组织形貌观察、化学成分分析、金相组织分析、断面硬度测试,研究活塞杆断裂失效的原因。结果表明:活塞杆组织成分符合标准,断口无疲劳断裂的典型特征和应力腐蚀断裂的典型特征,而是由于氢渗入金属内部引起的氢致破坏断裂。
Hydrogenation recycle compressor is the key power equipment in hydrogenated unit.The piston rod fracture is the main failure form in the process of hydrogenation recycle hydrogen compressor operation,and the causes of failure are often different.According to different situations of the piston rod failure cause,avoiding the failure of hydrogenation plant is of great significance to the safe operation of unit.In view of the fracture failure of the piston rod of a hydrogen cycle compressor,the macro and micro structure morphology observation,chemical composition analysis and section hardness test of the broken piston rod were carried out to gradually clarify the cause of the fracture failure of the piston rod.The results show that the microstructure of the piston rod conforms to the standard,and the fracture surface has no typical characteristics of fatigue fracture and stress corrosion fracture,which is caused by hydrogen infiltration into the metal.
作者
魏来
汤赫男
周营
王明辉
WEI Lai;TANG Henan;ZHOU Ying;WANG Minghui(Shenyang University of Technology,Shenyang 110870,China)
出处
《热加工工艺》
北大核心
2023年第14期157-160,共4页
Hot Working Technology
基金
辽宁省科技重大专项计划项目(2019JH1/10100024)
辽宁省自然科学基金指导项目(2019-ZD-0201)。
关键词
加氢循环压缩机
活塞杆
断裂失效
微观组织
化学成分
hydrogenation cycle compressor
piston rod
fracture failure
microstructure
chemical composition
作者简介
魏来(1980-),男,辽宁营口人,工程师,硕士,主要从事材料工程技术研究,电话:18904045666,E-mail:weilai.2007@163.com;通讯作者:汤赫男(1981-),女,辽宁沈阳人,副教授,博士,主要研究方向:机械动力学,电话:13998844881,E-mail:28775147@qq.com。
