Study on proced ure of closed self-melting welding of pipelines in nuclear power plants

LV Xuwei; ZHU Decai; TAN Wenliang; MA Lichuan; KANG Zetan

doi:10.7512/j.issn.1001-2303.2020.08.14

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Study on proced ure of closed self-melting welding of pipelines in nuclear power plants
Vol. 50, Issue 8, Pages: 67-70(2020)
Published：2020
DOI： 10.7512/j.issn.1001-2303.2020.08.14
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DOI：

LV Xuwei, ZHU Decai, TAN Wenliang, et al. Study on proced ure of closed self-melting welding of pipelines in nuclear power plants[J]. Eletric Welding Machine2020, 50(8): 67-70. DOI： 10.7512/j.issn.1001-2303.2020.08.14.

摘要

针对我国在核电厂建设中壁厚小于等于3 mm小管的焊接现状

通过前期的市场调研、设备选型和工艺开发等过程

研究出一套用于现场薄壁小管焊接的成熟的封闭式自熔焊方法

可替代传统的手工焊接方法

有效地节约成本、保证焊接质量、提高施工效率

为核电厂小管自熔焊的推广应用提供参考和借鉴。

Abstract

A kind of welding procedure used for the closed self-melting welding of pipelines in nuclear power plants is introduced. Through the early market research

equ-ipment selection and procedure development

a set of mature closed self-melting welding method is developed for field welding of fine thin-walled pipe

which replaces the traditional manual welding method

saves cost effectively

ensures welding quality

improves construction efficiency

and provides refere-nce for the application of closed self-melting welding for fine pipelines in nuclear power plant.