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从理论上分析了转柱式散气增氧装置扩散帽的水动力性能和影响进气 量、功率消耗等方面的因素。同时选择了两个系列４种技术参数的扩散帽装置进行 对比试验，试验结果与理论分析情况基本吻合。通过理论分析与试验测试，最后选 定出扩散帽的最佳技术参数。
The paper analyzes the hydrodynamic performance of diffuser cap of diffuser and the influence of air intake, power consumption and other factors in theory. At the same time, two series of diffusion cap devices with four kinds of technical parameters were selected to carry out comparative tests. The experimental results are in good agreement with the theoretical analysis. Through the theoretical analysis and experimental testing, the final selected diffusion cap the best technical parameters.