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。
Business Scope: centrifugal fan; hot air circulation fan; axial flow fan; various furnace blower and ventilation equipment.
经营范围：离心式风机；热风循环风机；轴流风机；各种炉窑风机及通风设备。
Meanwhile, axial-flow fan has superiority in decreasing humidity, reducing ventilation cost and increasing ventilation efficiency and so on.
轴流风机通风降温在减少水分丢失、降低通风费用、提高通风效率等方面更能体现其优越性。
Ventilation of starting rotation device ventilation pipe is from Axial flow of swirl hole inner surface takes air leads to vacuum cavity, model existence of scale effect.
起旋室通气井通风系由旋流洞内表面轴向水流“挟带”空气而致空腔内气体压强减小进入，模型存在缩尺效应。
The development of a new type of axial flow fans used in railway tunnelling is the key research project for solving the difficult problem of ventilation in the construction of long tunnels.
研制新型的铁路隧道施工用通风机，是解决长隧道施工通风技术的关键。本文是这项科研课题的阶段性成果。
The electric fan on the ventilation window consists of two axial flow blowers which can rotate forwards and backwards.
所述的通风窗口上安装有并排的二只轴流风机构成的、可正反转的电风扇；
Methods used in choosing axial flow fans for mining ventilation system are discussed.
通过理论分析和实例计算，对矿井轴流风机的选型计算方法进行了讨论。
Methods used in choosing axial flow fans for mining ventilation system are discussed.
通过理论分析和实例计算，对矿井轴流风机的选型计算方法进行了讨论。
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