Fan regulation, which box on the bed material to maintain the upper-vacuum, maintain good dry environment and prevent dust leakage.
调节引风机，使上箱体中床层物料上部保持微负压，维持良好的干燥环境并防止粉尘外泄（略）。
The experimental results indicate that the flexible guide vane regulation is a comparative ideal regulating method for mine local fan.
实验结果表明，柔性导叶调节是矿井局扇凤机中一种比较理想的调节方法。
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 fan load and operation characteristics of various speed regulation technique method for fan is put forward.
本文分析了风机负荷与不同调速方式的运行特性，并提出合理的风机调速方式。
Combined with the variable frequency transformation of the induced fan in my company, the variable frequency speed regulation technology is ripe, and the electricity-saving effect is significant.
结合我公司引风机的变频改造，认为变频调速技术已经成熟，节电效果显著，在其他转机上可以应用。
The theory of AC frequency modulation for motor speed regulation technology, its applied procedure and actual effect in dedusting fan of converter are stated.
介绍了交流变频调速技术的原理、在转炉除尘风机上的实施过程和使用效果。
The engine hydraulic stepless speed regulation cooling fan changed the traditional drive type of the engine cooling fan.
发动机液压无级调速冷却风扇，改变了发动机冷却风扇的传统驱动方式。
According to temperature changes of the DC traction motor in continuous operation, the fan motor speed is controlled, and the purposes of regulation of ventilation and energy-saving are achieved.
根据直流牵引电动机在持续运行中的温升变化控制通风机的电动机转速，实现通风量调节，以达到节能目的。
And then automatic adjustment of grades of the wind force of the electric fan is achieved without manual regulation.
这样实现了电风扇风力等级的自动化调整，无需人工调整。
The specialities of fan speed-regulation system for SO2 smoke in copper smelt process are analyzed.
分析了铜冶炼so2烟气流程中风机调速的特点。
The specialities of fan speed-regulation system for SO2 smoke in copper smelt process are analyzed.
分析了铜冶炼so2烟气流程中风机调速的特点。
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