一、概况 上海石油化工总厂是一座现代化的以原油为原料,生产各种合成纤维的大型联合企业。 我公司承担了八套半引进装置以及相应的国内配套装置和工程的安装任务,其中工艺管道一项就达九百公里,均需在现场安装焊接,涉及的钢种,单引进装置就有十五种之多,尚有铝合金及纯钛等有色金属管道。 I. Overview Shanghai Petrochemical General Plant is a modern large-scale integrated enterprise that uses crude oil as raw material to produce various synthetic fibers. Our company has undertaken the installation of eight sets of semi-introduced devices and corresponding domestic supporting devices and projects. One of the process pipelines has reached 900 kilometers. All of them need to be installed and welded at the site. The involved steel grades have only 10 imported devices. As many as five kinds, there are non-ferrous metal pipes such as aluminum alloy and pure titanium.