VVER-1000主管道焊接工艺性分析

徐井伟; 马尚国; 王丽思

doi:10.7512/j.issn.1001-2303.2021.02.16

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VVER-1000主管道焊接工艺性分析
Welding procedure analysis of main coolant line in VVER-1000
2021年51卷第2期页码：83-87
纸质出版：2021
DOI： 10.7512/j.issn.1001-2303.2021.02.16
稿件说明：

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徐井伟, 马尚国, 王丽思. VVER-1000主管道焊接工艺性分析[J]. 电焊机, 2021,51(2):83-87. DOI： 10.7512/j.issn.1001-2303.2021.02.16.

XU Jingwei, MA Shangguo, WANG Lisi. Welding procedure analysis of main coolant line in VVER-1000[J]. Eletric Welding Machine2021, 51(2): 83-87. DOI： 10.7512/j.issn.1001-2303.2021.02.16.

摘要

VVER-1000主管道(核电站主冷却剂回路管道连接反应堆压力容器、蒸发器、主泵

构成一回路压力边界)材料是大壁厚双金属复合管道

其焊接工艺十分复杂

焊接收缩也很难控制。本文从焊接材料的选择

焊接工艺参数的制定等方面出发

科学的分析、制定有效合理的焊接工艺

以保证其焊接质量。

Abstract

The material of VVER-1000 MCL（main coolant line in nuclear power plant connects with reactor pressure vessel

steam generator and reactor coolant pump

thus constituting the primary loop pressure boundary） is the composite pipe with large thickness and dissimilar metal. Welding procedure of VVER-1000 MCL is complex

and the welding shrinkage is difficult to control. In this article

starting from the selection of welding material

formulation of welding parameters and other aspects

an effective and reasonable welding procedure is analyzed scientifically and formulated to ensure the welding quality.