| 给水泵螺旋密封的结构改进 |
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| 引用本文： | 孙卫平,马新勇,顾海飞,李兵.给水泵螺旋密封的结构改进[J].流体机械,2014(7). |
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| 作者姓名： | 孙卫平 马新勇 顾海飞 李兵 |
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| 作者单位： | 上海船舶设备研究所; |
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| 摘 要： | 针对某型给水泵的螺旋密封失效问题,采取了组合式螺旋改进措施,较好地解决了问题,为克服"气吞"现象提供了典型案例。文中提出了雷诺数的计算公式,为螺旋密封理论计算提供了参考。
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| 关 键 词： | 螺旋密封 失效 气吞 组合式螺旋密封 |
Strudure Improvement of Spiral Seal using in Feend Water Pump |
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| Affiliation: | ,Shanghai Marine Equipment Researd Institate |
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| Abstract: | For failure problems of spiral seal in a certain type of feed water pump,an improvement measures of combined spiral seal was better used to solute exited problem,which provided a typical case on overcoming the phenomenon of gas swallowing.such paper presents the calculated formula of Reynolds number,also which provides a reference of theoretical calculations about spiral seal. |
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| Keywords: | spiral seal fail air swallowing combined spiral seal |
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