论文部分内容阅读
凡有压力的容器和装有可燃、可爆物的容器 ,在一般情况下 ,禁止焊接。只有在特殊情况下 ,采取措施 ,确保安全时 ,才允许焊接。装过煤油、汽油或油脂的容器焊接时 ,应先用热碱水冲洗 ,再用蒸汽吹洗几个小时 ,打开桶盖 ,用火焰在桶口试一下 ,确信已清洁干净后 ,才能焊接。乙炔发
Where pressure vessels and flammable, explosive containers, under normal circumstances, welding is forbidden. Only in exceptional circumstances, to take measures to ensure safety before allowing welding. When the container with kerosene, petrol or grease is welded, it should be rinsed with hot alkaline and then steam for a few hours. Open the lid and try it with a flame in the mouth of the pail. Make sure that it has been cleaned before it can be soldered. Acetylene hair