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1 前言华威二期工程 2× 30 0ＭＷ机组锅炉空气预热器为英国豪顿公司提供设备。其扇形仓隔板连接方式不同于以往的用销轴连接 ,而是采用焊接方式。焊接接头为厚度 1 0ｍｍ的钢材Ｖ型坡口对接 ,用手工电弧焊施焊 ,计 2 4道焊缝均匀分布在一个同心圆周上 ,每道焊缝长约 2米。以
1 Preface Warwick two project 2 × 30 0MW unit boiler air preheater for the British Howden company equipment. The fan compartment partition connection method is different from the past with the pin connection, but the use of welding. Welded joints of the thickness of 10mm steel V-groove docking, with manual arc welding, total of 24 welds evenly distributed on a concentric circumference, each seam about 2 meters long. To