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Current practice in the selection of intake gates

机译:进气门选择的当前实践

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摘要

Increasing competitiveness has led to an intense effort to reduce the costs of hydromechanical equipment. However, this should never result in increased risk for the installation. In reviewing current practice in the selection of intake gates, the author emphasizes that safety aspects should take priority over the equipment capital costs. Various methods for filling the penstock are evaluated: partial opening of the gate; the use of bypass valves installed in the gate; or valves and piping embedded in the concrete. The advantages, disadvantages and operational risks of the use of vertical lift gates with upstream and downstream skinplate and seals are discussed. The alternatives of installation of emergency gates, either in the upstream side or the downstream side of Kaplan and bulb turbines, are also analysed.
机译:日益提高的竞争力导致人们为降低水力机械设备的成本付出了巨大的努力。但是,这绝不会增加安装风险。在回顾当前选择进气门的实践时,作者强调安全方面应优先于设备投资成本。评估填充压力管的各种方法:浇口的部分打开;使用安装在闸门中的旁通阀;或嵌入混凝土中的阀门和管道。讨论了使用带有上游和下游蒙皮板和密封件的垂直提升门的优点,缺点和操作风险。还分析了在Kaplan和球阀涡轮机的上游或下游安装紧急门的替代方法。

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  • 来源
    《International Journal on Hydropower & Dams》 |2012年第1期|p.71-78|共8页
  • 作者

    P. Erbisti;

  • 作者单位

    Acqua Engenharia Ltd, Estrada Gavea 611, Bloco 2, apto 701, Rio de Janeiro 226-001, Brazil;

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  • 正文语种 eng
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