The economic reasonabless of mine main fan ventilation and measures of saving power are expounded in the paper.

阐述了矿井主扇通风的经济合理性及节约主扇电耗的措施。

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We are specializes in designing and manufacturing ventilation equipment, the main product are many size box fan, cone fan, cooling pad and the spare parts.

我司是专业设计和生产通风降温设备的企业，主要产品是：多种型号的轴流风机和拢风筒风机以及湿帘及其配件。

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Axial flow fan is the main ventilation device presently. This paper introduces the application of axial flow fan, settles saving energy problem and air regulation problem.

目前轴流式通风机在煤矿是普遍的主通风设备，文章阐述了变频器在轴流式风机中的应用，以解决主扇调整风量和节能降耗的问题。

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