炼油部加氢精制E-107换热器螺栓断裂失效原因分析

摘要

Refining of hydrofining unit heat exchanger floating head bolted fracture. E-107, brought threat to the safe operation of the device, This article from the equipment of medium corrosion environment, macro inspection, material chemical composition analysis, hardness testing, metallographic examination and so on several aspects analyzes the failure reasons of bolt fracture, The next cycle of corrosion protection measures are put forward, to ensure the safe operation of the device.%炼油部加氢精制装置换热器E-107浮头螺栓断裂，给装置安全运行带来了威胁，本文从设备所处的介质腐蚀环境、宏观检验、材料化学成分分析、硬度测试、金相检验等几个方面分析了螺栓断裂失效的原因，提出下一个运行周期的防腐措施，保障装置安全运行。