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我国建造的球罐多为400m~3球罐。目前,400m~3球罐的施工方法主要有两种:分带组装法和整体组装法(单片组装成球)。分带组装法又分为多次翻转焊接法和一次翻转焊接法。大多数施工单位采用分带组装法,近几年个别单位采用整体组装法。以上方法我们在某液化气站工程中都采用过,在此笔者想就这三种施工方法谈几点体会。一、施工工序的比较1.分带组装多次翻转焊接法施工工序
Spherical tanks built in China are mostly 400m ~ 3 spherical tank. At present, there are mainly two kinds of construction methods for 400m ~ 3 spherical tanks: zonal assembly method and integral assembly method (monolithically assembled into balls). Tape assembly method is divided into multiple flip welding method and a flip welding method. Most construction units using the strip assembly method, in recent years, individual units using the overall assembly method. The above method we have used in a liquefied gas station project, I would like to talk about these three construction methods to experience. First, the construction process comparison 1. Tape assembly repeatedly flip welding construction process