15CrMo耐熱鋼脫毒槽的焊接工藝方法
15CrMo鋼(gang)制脫毒(du)槽如圖5-26所示。筒(tong)體(ti)(ti)長3918mm,壁厚為(wei)(wei)54mm;封頭(tou)為(wei)(wei)球(qiu)形,壁厚為(wei)(wei)30mm;筒(tong)體(ti)(ti)內徑(jing)為(wei)(wei)2800mm,設計(ji)壓力為(wei)(wei)4.0MPa,設計(ji)溫度(du)為(wei)(wei)300℃,工作介質為(wei)(wei)中(zhong)度(du)危(wei)害(hai)、有(you)爆炸危(wei)險,為(wei)(wei)Ⅲ類(lei)壓力容器。1.主要焊(han)(han)縫(feng)的焊(han)(han)接工藝①.筒(tong)節縱、環縫(feng)焊(han)(han)接...