AC motor drive which is used in the mine fan is serious in consumption and waste.
矿山风机中使用的交流电机驱动，其消耗与浪费非常严重。
This paper introduced an optimizing method and optimization program used for selecting mine fan by computer.
介绍了一种矿井扇风机的计算机优选方法及优选程序。
The energy saving principle, the function of hydraulic governing and its application in mine fan and water pump were introduced.
介绍了液力调速的节能原理、功能及其在矿山风机、水泵上的应用。
The constitution, working principle, technical parameter & example of application of auto monitoring system for mine fan unit are introduced.
介绍了矿井通风机装置的自动监测系统的构成、工作原理、技术参数及其应用实例。
Technology of performance testing and fault diagnosis of mine fan were introduced. The economy performance and working condition could be tested.
介绍了煤矿通风机性能测试及其故障诊断技术，通过性能测试和故障诊断可以检测通风机运行的经济性能和运行状态。
The structure of axial fan for mine fan was technically reformed by using aviation technology, and its economic benefits is remarkable after reforming.
利用航空技术对矿井轴流通风机结构进行了技术改造，改造后经济效益显著。
Through the example, it showed that performance test and fault diagnosis of mine fan were necessary in order to insure its safety and efficiency running.
通过实例证明，为保证煤矿风机安全高效运行，必须对其进行性能测试和故障诊断分析。
The use of frequency convert to regulate the speed of rotation according to the character of mine fan can reach the goal of the modulation of air flow and have a very good effect of saving energy.
根据矿井通风机的特性，使用变频器进行转速调整以达到调节风量的目的，且有很好的节能效果。
I wouldn't be surprised if I outperformed bloggers with much larger (but not as bad ass!) fan bases than mine.
如果不是我胜过了拥有比我更大粉丝团的博友，我不会如此惊讶。
Aerodynamic design and strength calculation and test of transformation for fan in mine are set forth. Its economic benefits are pointed out. points for experience are described.
阐述了矿井通风机改造的气动设计及其强度计算与试验。指出了其经济效益，并谈及了几点体会。
Analysis and research are carried out on condition monitored and trouble diagnosed of fan for mine, and diagnosis technology of field trouble for fan is specified.
对矿用通风机状态监测与故障诊断技术进行了分析和研究，并阐述了通风机现场故障诊断技术。
It points out that obsolete common axial local fan copying Soviet Union (international level) is excellent local ventilation device for mine in our country.
指出被淘汰的仿苏(国际水平)普通轴流式局扇是我国优良的矿用局部通风设备。
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。
This is directed against structure defect of mine old type tube - axial fan, make technique transform to combine practice, raises main fan running efficiency, receives notable economic benefits.
针对矿井老型号轴流式扇风机的结构缺陷，结合现场实际进行了技术改造，提高了主扇运动效率，收到了显著的经济效益。
According to the testing result and combining the mine condition, the method and way of realizing the main fan economical operation is put forward.
根据测试结果，并结合矿井实际情况，提出了实现该类型主通风机经济运行的方法和途径。
This article has introduced the technological transformation of the main fan field discs in the South Wing of Yungang Mine.
文章介绍了云岗矿南翼主扇励磁盘的技术改造。
According to the problem existing in ventilating system, improvement process of BDK62 series mine well main fan system are introduced.
针对通风系统存在的问题，介绍了BDK62系列矿井主扇系统的改造过程。
Curved diffuser is an important auxiliary component of main fan installations of mine, whose performance directly influences the operating efficiency of the installations.
扩散弯道是矿井主要通风机装置的重要辅属装置，其性能的优劣直接影响通风机装置的运行效率。
The diffuser of mine main fan is a device to use reducing velocity pressure of outlet, increase static pressure and recovery kinetic energy.
矿井主扇扩散器是用来降低出口速压以提高风机静压而回收风机出口动能的装置。
805the FAN: (Tapping) We have met. You are mine. It is fate.
805扇子：(轻轻拍打着)咱们相遇了。你是我的。这是命运。
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。
In view of the major fan device in Taoyang Mine, this paper introduces the plans, methods and results for the determination of the functions, and it sums up the characteristics of the determination.
针对陶阳煤矿的主通风机装置，介绍了性能测定的方案、测法、结果，总结了测定的特点。
Choosing main fan in mine is according to the amount of wind that the mine well needs and the well ventilated resistance.
选择矿井主扇机，需依据矿井所需风量、通风阻力。
The abnormal vibration of main fan operation in a certain mine is introduced.
介绍了某矿井主通风机运行时的异常振动现象。
Through comparison analysis on actual operation performance of local fan for mine, and the requirement of local fan performance is identified further.
通过对矿用局扇的性能试验研究和实际运行性能对比分析，进一步明确了对局扇运行性能的要求。
Many transmitting methods of on-line monitoring parameters of main fan in coal mine are introduced, and application scope of all methods are briefly analyzed.
介绍了煤矿主通风机在线监测参数远传的多种方法，并对各种方法的适用范围作了简单的分析。
Recommendations of design for large fan unit in coal mine construction from now on are raised.
对今后煤矿建设中大型通风机装置的设计提出了建议。
To dilute gas concentration, most coal mine use local fan ventilate, and decrease the possibility of fire damp explosion.
当前国内一般采用局部通风机进行矿井通风，以稀释瓦斯浓度，消除煤矿事故隐患。
To dilute gas concentration, most coal mine use local fan ventilate, and decrease the possibility of fire damp explosion.
当前国内一般采用局部通风机进行矿井通风，以稀释瓦斯浓度，消除煤矿事故隐患。
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