一种抽水蓄能电站井式进/出水口结构
申请公布号:CN103205954A
申请号:CN201310126382.8
申请日期:2013.04.12
申请公布日期:2013.07.17
发明人:邱彬如;王建华;张沁成;杜英奎;高学平;严旭东;王志国;关李海;王晓春;高永辉;蒋逵超;耿贵彪;熊将;刘海峰;张红梅
分类号:E02B9/06(2006.01)I
主分类号:E02B9/06(2006.01)I
代理人:李凤
地址:100024 北京市朝阳区定福庄西街1号
摘要:本发明公开了一种抽水蓄能电站井式进/出水口结构,包括盖板、分流墩和竖井,竖井依次由竖直扩散段、竖直段、转弯段和渐变段组成,盖板的直径为竖直扩散段扩散端直径的1.1~1.5倍;竖直段的长度大于1倍的竖直段洞径;转弯段采用先扩后收缩的纺锤体体形,纺锤体最大断面直径为1.3~1.4倍的竖直段洞径,转弯段半径大于2倍的竖直段洞径;渐变段扩散比取1:11~1:13。本发明通过水工模型试验和数值模拟计算结果的对照,数值模拟计算可以较好地模拟井式进/出水口的水力学问题,可用于方案比选及优化。本发明提供了一种经模型试验、数值模拟和实际工程验证的水力特性良好的井式进/出水口结构,对今后的抽水蓄能电站井式进/出水口设计工作具有重要的借鉴作用和指导意义,社会经济效益显著,具有推广应用价值。
主权项:一种抽水蓄能电站井式进/出水口结构,包括盖板(1)、分流墩(2)和竖井,其特征在于,竖井依次由竖直扩散段(4)、竖直段(5)、转弯段(6)和渐变段(7)组成,盖板(1)的直径为竖直扩散段(4)扩散端直径的1.1~1.5倍;竖直段(5)的长度大于1倍的竖直段洞径;转弯段(6)采用先扩后收缩的纺锤体体形,纺锤体最大断面直径为1.3~1.4倍的竖直段洞径,转弯段(6)半径大于2倍的竖直段(5)洞径;渐变段(7)扩散比取1:11~1:13。
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