| 离心泵气蚀判定因素分析及预防 |
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| 引用本文： | 范海峰,范琪,虞丹萍,周娜,周天财,徐玉朋. 离心泵气蚀判定因素分析及预防[J]. 广州化工, 2011, 39(1): 119-120,143 |
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| 作者姓名： | 范海峰 范琪 虞丹萍 周娜 周天财 徐玉朋 |
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| 作者单位： | 浙江海洋学院,浙江,舟山,316000 |
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| 基金项目： | 2009浙江省大学生科技创新活动计划(新苗人才计划)项目 |
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| 摘 要： | 离心泵是一种用途广泛的流体机械,气蚀现象对离心泵的工作性能影响较为严重。现文对离心泵的气蚀问题产生原因进行分析,提出影响离心泵气蚀的两方面的因素。通过分析实际应用中离心泵的允许气蚀余量NPSHr和允许吸上真空度[Hs]的作用,提出预防泵气蚀的措施,减少气蚀发生的可能性,从而提高离心泵的运行效率。
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| 关 键 词： | 离心泵 气蚀 气蚀余量 改进措施 |
Centrifugal Pump Cavitation Determination Factor Analysis and its Prevention |
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| FAN Hai-feng,FAN Qi,YU Dan-ping,ZHOU Na,ZHOU Tian-cai,XU Yu-peng. Centrifugal Pump Cavitation Determination Factor Analysis and its Prevention[J]. GuangZhou Chemical Industry and Technology, 2011, 39(1): 119-120,143 |
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| Authors: | FAN Hai-feng FAN Qi YU Dan-ping ZHOU Na ZHOU Tian-cai XU Yu-peng |
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| Affiliation: | FAN Hai-feng,FAN Qi,YU Dan-ping,ZHOU Na,ZHOU Tian-cai,XU Yu-peng(Zhejiang Ocean University,Zhejiang Zhoushan 316000,China) |
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| Abstract: | Centrifugal pump was a kind of extensive use of fluid machinery,cavitation phenomenon of centrifugal pump was seriously influenced the work performance.The centrifugal pump cavitation causes of the problems,two factors influenced of centrifugal pump cavitation were analyzed.Through the analysis of the effects of the NPSHr and in practical application,the prevention measures were put forward to reduce the cavitation erosion occurs,so as to improve the efficiency of centrifugal pump. |
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| Keywords: | centrifugal pump cavitation net positive suction head improvement |
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