前言焊接作为一种连接金属的手段,自发明以来一直得到广泛的应用。在石油化工建设中,设备、管道内大部分为易燃、易爆、临氢介质,因此,装置的整体焊接质量的好坏,在很大程度上关系到整个装置整体安全、稳定、可靠运行。本文仅对施工现场的焊接及热处理等常见问题提出笔者的做法和建议,供同行们交流、提高。 Foreword Welding as a means of joining metals has been widely used since its invention. In petrochemical construction, most of the equipment and pipes are flammable, explosive and hydrogen-proof media. Therefore, the quality of the overall welding of the device is largely related to the overall safe, stable and reliable operation of the entire device . This article only on the construction site welding and heat treatment and other common problems put forward the author’s practices and suggestions for colleagues to exchange and improve.