论文部分内容阅读
球团厂回转窑材质多为20G,焊接施工比较复杂,安装工期较长,往往需要跨年度施工。由于气候的原因,回转窑冬季焊接时,必须考虑施工技术及相应的焊接防护措施。为保证焊接质量,针对国产锅炉用钢板20G的焊接特点,以及回转窑的安装特点,应首先确定冬季焊接工艺,然后选择合理的焊材,在焊前进行相应的预热,并在焊后进行适当的保温等。
Pelletizing plant rotary kiln material mostly 20G, welding construction is more complicated, installation period is longer, often need to cross-year construction. Due to the climate, the rotary kiln winter welding, we must consider the construction technology and the corresponding welding protection measures. In order to ensure the welding quality, according to the welding characteristics of domestic steel plate 20G and the installation features of rotary kiln, we should first determine the winter welding process, and then select a reasonable welding consumables, preheat the welding before welding, and after welding Appropriate insulation and so on.