钢制换热器换热管与管板的焊接质量控制措施
The control measures of welding quality between heat exchanging pipes and pipe walls of steel heat exchangers
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- DOI:
- 作者:
- 李福恒
Li Fuheng
- 作者单位:
- 中石化燕山石化建筑安装公司 北京市房山区 102502
Beijing
- 关键词:
- 换热器;管结点;焊接;质量控制
- 摘要:
- 钢制换热器换热管与管板联结的结构形式，给焊接带来一定难度，易产生根部夹渣、熔合不良、气孔、裂纹及角焊缝H值小等缺陷。本文从焊接规范、操作技能等方面提出了有效的质量控制措施，在工艺试验中得到了满意的效果。
The structural forms of heat exchanging pipes and pipe walls of steel heat exchangers make weld-ing difficult and susceptible to defects, such as slag inclusion at root, bad fusion, blowholes,cracks and 1ow H value at Fillet welds.This paper provides some effective.control measures from welding codes and skills in operation. Satisfactory result.s were gamed in technological tests.1995,1(1): 28-30 收稿日期：1994-8-4分类号：TG441参考文献：
1 GB151一89 钢制管壳式换热器.北京:学苑出版社，1989，
2 GB151一89 附录C 换热管与管板接头的焊接工艺评定(补充件).北京:学苑出版社.1989