百万千瓦级压水堆核电厂蒸汽发生器干燥器冷态试验研究

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Test and Study of Cold Condition for Dryer in Steam Generator for 1000MW PWR Nuclear Power Plant

摘要: 介绍了百万千瓦级压水堆核电厂蒸汽发生器(SG)干燥器水-空气冷态选型试验概况。冷态试验选定的最佳结构干燥器的分离元件采用双钩波形板,从干燥器的入口到出口波形板疏水沟宽度逐渐减小;干燥器入口安装非均匀开孔均气多孔板,孔径自下而上减小。试验表明,该干燥器具有很高的临界速度。
- 双钩波形板 /
- 多孔板 /
- 疏水钩 /
- 临界速度
Abstract: Screening test and study of air-water cold condition for dryer in steam generator for 1000MW PWR nuclear power plant was conducted.The dryer with optimized design features was obtained by the tests.Separation component of the dryer employed the double-hooked chevrons.Space between hook and chevron decreased gradually from the inlet to the outlet of the dryer;Baffle perforated asymmetrically was set in the inlet of the dryer;Diameter of hole on the baffle decreased from the bottom to the top.The tests indicated that this type dryer possessed higher critical velocity.
- Double-hooked chevron /
- Perforated baffle /
- Draining hook /
- Critical velocity