30m3立方米奧氏體不銹鋼發酵罐埋弧焊接工藝
1.技術條件板材為(wei)(wei)(wei)304不銹鋼,板厚10mm;筒(tong)體直(zhi)徑(jing)為(wei)(wei)(wei)2400mm,長為(wei)(wei)(wei)9896mm;工(gong)作(zuo)壓力為(wei)(wei)(wei)0.25MPa;工(gong)作(zuo)介(jie)質為(wei)(wei)(wei)發酵液蒸氣;工(gong)作(zuo)溫度為(wei)(wei)(wei)145℃.2.焊接工(gong)藝規范 采(cai)用Ⅰ形坡口,根部間隙為(wei)(wei)(wei)4mm,坡口及兩(liang)側50mm以內清理干凈,不得(de)有油污及雜質;焊絲為(wei)(wei)(wei)H0...