main ventilation system 主通风系统
Main ventilation machines 主排风机
main ventilation on-line monitored 主通风机在线监测
main fan ventilation 主扇通风
main-fan ventilation system 大主扇通风系统
mine ventilation main fan 矿井通风主扇
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。
The system is designed as circulation absent and A-A VF controlled one, in which a responsive motor driving the main ventilation fan is controlled in a vector control technology without speed sensor.
系统采用无环流交-交变频控制方案、应用无速度传感器的矢量控制技术对拖动煤矿主扇风机的感应电动机进行控制。
Main influences for the design was achieving natural light and ventilation different experience to the different Spaces of the house in relation to the courtyards and the arrangement of Spaces.
该设计主要的影响是通过庭院和空间的组织,不同的空间会产生不同的自然采光和通风的体验。
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