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影响气力提升泵性能因子的初步试验

Time: 2016/9/30 9:37:47

    气力提升泵的水输送量反映了提升管进口的流速情况,而进口流速是衡量吸鱼效果的重要因素。以水槽试验的方法研究了不同因子对水输送性能的影响,共测试了使用6种平板孔喷嘴、2种环状扎喷嘴、5种潜水比、3种喷嘴水下潜没深度和3种管径的水输送量数据,并进行了活鱼抽吸试验。分析结果表明,D2和D3平板孔喷嘴由于合理的孔分散程度而相对提高了水输送量,但与其它喷嘴差异不显著。具备理想的气泡尺寸和分散程度的D6环状孔喷嘴获得了*的水输送性能。增加潜水比和喷嘴水下潜没深度或减小提升管管径对水输送性能的提高有决定性影响。当集鱼装置始终维持高鱼水比例时,气力提升泵具有较好的活鱼抽吸能力。

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