Application of integral rolling process for high-strength steel penstock in pumped-storage power station

朱树清; 胡铠; 任涛

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Application of integral rolling process for high-strength steel penstock in pumped-storage power station

更新时间：2026-02-06

- Application of integral rolling process for high-strength steel penstock in pumped-storage power station
- Vol. 0, Issue 6, (2025)
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- Online First：05 February 2026，
  
  Published：2025
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朱树清, 胡铠, 任涛. 抽水蓄能电站高强压力钢管整体卷制工艺应用[J]. 大坝与安全, 2025, 0(6): 79-.

朱树清, 胡铠, 任涛. Application of integral rolling process for high-strength steel penstock in pumped-storage power station[J]. 2025, 0(6).
朱树清, 胡铠, 任涛. 抽水蓄能电站高强压力钢管整体卷制工艺应用[J]. 大坝与安全, 2025, 0(6): 79-. DOI：

朱树清, 胡铠, 任涛. Application of integral rolling process for high-strength steel penstock in pumped-storage power station[J]. 2025, 0(6). DOI：

摘要

某抽水蓄能电站为加快压力钢管制造进度，通过试验论证并实施，将5 m 直径钢管每个管节供应两张长8m高强钢板改为一张长 16 m 钢板，在制造过程中加强板下料、坡口制备、卷制、拼装组圆、焊接等工序控制，扩大高强钢压力钢管整体卷制范围。压力钢管整体卷制减少了一条纵缝加工与焊接，有利于保证压力钢管制造质量，节省材料和人工，缩短工期，并缓解施工高峰期生产压力。

Abstract

To accelerate the manufacturing progress of penstock in pumped- storage power station

through testing and demonstration

two high-strength steel plates with a length of 8 meters for one sec⁃ tion of steel pipe with a diameter of 5 meters were replaced by one steel plate with a length of 16 meters. During the manufacturing process

quality control in plate blanking

groove preparation

rolling

assem ⁃ bly and rounding

and welding was strengthened to expand the scope of the integral rolling of high strength steel penstock. Reducing the processing and welding of one longitudinal joint in integral rolling is beneficial to ensure the manufacture quality

save the labor and material

shorten the construction pe ⁃ riod

and alleviate the production pressure of construction peak period.

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