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排灌机械工程学报  2016, Vol. 34 Issue (11): 947-952    DOI: 10.3969/j.issn.1674-8530.16.0227
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射流式自吸离心泵研究现状与前景展望
李伟, 常浩, 刘建瑞, 周岭, 王川
江苏大学国家水泵及系统工程技术研究中心, 江苏 镇江 212013
Research situation and prospect of jet type self-priming centrifugal pump
LI Wei, CHANG Hao, LIU Jianrui, ZHOU Ling, WANG Chuan
National Research Center of Pumps, Jiangsu University, Zhenjiang, Jiangsu 212013, China
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摘要 射流式自吸离心泵作为一种新型结构的泵,具有启动前无需向泵体内灌水可实现快速自吸的特点,已经成为国内外研究的热点.通过回顾射流式自吸离心泵的发展历程,分析了射流式自吸离心泵的工作机理与结构优势,并在系统总结国内外研究成果的基础上,从导流器式不对称压水室、碗式回流阀自动关闭结构形式、射流喷嘴几何尺寸、喷嘴收缩角变量等方面分析了射流式自吸离心泵理论与技术研究进展,并提出了未来的研究方向:在水力设计方面,设计不同结构型式的水力模型,深入探讨叶轮不同几何参数对泵整体性能的影响;在结构上,采用创新的自吸结构,不断深化自吸结构对自吸性能的影响机理,并确定各零部件最优几何参数的选取方法,提高射流式自吸离心泵的各项性能指标;在加工工艺上,突破传统浇铸的制造方法,采用新型的铝合金压铸成型,为研制高效、快速自吸、低能耗的射流式自吸离心泵提供理论依据.
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李伟
常浩
刘建瑞
周岭
王川
关键词射流式自吸离心泵   影响机理   研究现状   前景展望     
Abstract: Jet type self-priming centrifugal pump is a new structure of the self-priming centrifugal pump, which start before the pump can not be used to achieve the characteristics of rapid self-priming, the new structure of self-priming centrifugal pump has become a hot research topic at home and abroad. The development history of the jet type self-priming centrifugal pump is reviewed; the operating mechanism and structural advantages of the jet type self-priming centrifugal pump are analyzed. On the basis of summarizing the research results, the water pressure from the deflector type asymmetric chamber, bowl valve automatic closing structure, jet nozzle geometry, nozzle contraction angle variables are analyzed in terms of self-priming progress on theory and technology of centrifugal pump, and the future research direction is proposed. In the aspect of hydraulic design, the hydraulic model of different structure is designed, and the influence of various geometric parameters of the impeller on the overall performance of the pump is deeply discussed, the innovative self-priming structure and self-pri-ming mechanism were applied, by using the new principle of self-priming, constantly deepen the impact of structure on performance self-priming, and to determine the method of selecting the optimum geometrical parameters of the various components to improve the performance of jet self-priming centrifugal pump. In the process, breaking the traditional method of manufacturing a casting, the new type of aluminum die casting is applied. For the development of efficient, rapid self-priming, low-power jet self-priming centrifugal pumps provide a realistic basis and theoretical reference.
Key wordsjet type self-priming centrifugal pump   influence mechanism   research situation   prospect   
收稿日期: 2016-09-22;
基金资助:国家自然科学基金资助项目(51409127);“十三五”国家科技支撑计划项目(2015AB07B06);江苏省重点研发计划项目(BE2016319);镇江市农业科技支撑项目(NY2013031)
通讯作者: 常浩(1991—),男,内蒙古赤峰人,硕士研究生(changhao1514@163.com),主要从事流体机械及工程研究.   
作者简介: 李伟(1979—),男,河南信阳人,副研究员,博士(lwjiangda@ujs.edu.cn),主要从事流体机械及工程研究.
引用本文:   
李伟,常浩,刘建瑞等. 射流式自吸离心泵研究现状与前景展望[J]. 排灌机械工程学报, 2016, 34(11): 947-952.
LI Wei,CHANG Hao,LIU Jian-Rui et al. Research situation and prospect of jet type self-priming centrifugal pump[J]. Journal of Drainage and Irrigation Machinery Engin, 2016, 34(11): 947-952.
 
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