This article introduces the design features, pneumatic design of explosion-proof contra-rotating axial fan, and the design, manufacture of fitted motor and the safety measures.

文章综述了煤矿用防爆对旋轴流风机的设计特点、气动设计、配套用电机设计以及加工制造和保证安全可靠的措施。

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The working principle and key parameters of the blade separator were introduced, and tests on the performances of adding the separator on the contra-rotating axial flow fan were carried out.

介绍了叶片分离器的工作原理和关键参数，并对加装了叶片分离器的对旋轴流风机进行了性能测试试验。

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By means of numerical simulation, the research on inner-flow of mining contra-rotating axial flow fan working under low flow rate condition was made.

通过数值模拟手段，对一矿用对旋式轴流式通风机小流量工况内部流动进行了深入研究。

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