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。
The discharging of the main fan reduces labor intensity of operating workers.
关风机除了降低了操作工人的劳动强度。
The discharging of the main fan reduces labour intensity of operating workers.
新型磨粉机关风机出料降低了操作工人的劳动强度。
The discharging of the main fan reduces labors intensity of operating workers.
关风机出料降低了操作工人的劳动强度。
The principle and the method of flow rate testing for main fan in mine is introduced.
介绍了矿井主通风机风量测试原理及其方法。
Predictive control model for main fan synchronous motor is established on this fundamental.
在此基础上，建立了主扇同步机预测控制模型。
The function of the main fan in coal mine is to keep fresh air and reduce the concentration of gas.
煤矿主扇风机的主要功能是保证井下空气畅通新鲜，降低瓦斯浓度。
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。
Based on all major quota data of the main fan system reliability, the author analyzed the influence factors on it.
根据主扇系统可靠性各项主要指标数据，分析了影响主扇系统可靠性因素。
Deficiencies of cold standby are analyzed, and a novel way of main fan switchover based on hot standby is put forward.
文中剖析了冷备用运行方式的不足，提出了一种基于通风机热备用的倒机方法。
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。
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。
Demonstrate the function of optimization on choosing the main fan in ventilated system through the analysis of true examples.
以实例分析优化主扇机选择在通风系统工程中的作用。
The main fan noise features and strong vibration reasons in the residential building at Xinglongzhuang Coalmine are analyzed.
分析了兴隆庄矿主扇噪声的特点及居民楼内振动强烈的原因。
In order to save energy and reduce consumption, Xin 'an Coal Mining changes production technology of high voltage main fan machine.
为了实现节能降耗，鑫安煤矿针对高压主通风机进行技术改造。
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。
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。
The probe of theory analysis of scheme and application of practice are made on centrifugal main fan used in mid or small coal mine in this paper.
主要针对中小型煤矿的离心式主通风机改造进行了理论探索、方法分析和实际应用。
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。
In order to fulfil saving energy and reducing consumption, the starting and running technology of main fan machine is improved in Xin 'yuan coal company.
为了实现节能降耗，新元公司对韩庄主通风机启动和运行方式进行技术改进。
The main problems of the main fan are introduced firstly. Secondly, analyzes the corrosion circumstance around the main fan, and makes antiseptic treatment.
首先介绍了主扇风机存在的主要问题，对风机所处的腐蚀环境进行分析，并对其实施了防腐设计。
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。
September 2009, coal companies Tangkou main fan was modified to further improve the ventilation system, ventilation, safe and reliable operation of equipment.
2009年9月，唐口煤业公司对主通风机进行了改造，矿井通风系统进一步完善，通风设备运行更加安全可靠。
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。
Main fan working in coal mine day and night is of the most power consumption equipments. It is of great meaning to take effective measures to reduce its power consumption.
昼夜运行的主要通风机是煤矿耗电最多的设备之一，应采取有效措施降低电耗。
Aiming at the different plans of technological transformation for centrifugal main fan used in middle or small size mines, theoretic exploration and method analysis is carried out.
针对中、小型煤矿离心式通风机在技术改造过程中的不同方案，进行了理论探索和方法分析。
The importance of construction of energy of a main fan is noted, and the parts of key consumption of energy is analyzed, and measures to conduct economically operating are described.
叙述了主扇节能的重要性，分析了其主要电耗的构成，并从实际出发相应阐述了实现其经济运行的具体措施。
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。
The main effect of the back-and-forthing in “Snow Flower and the Secret Fan” is to insult the audience.
“雪花秘扇”里的前后时代穿梭产生的主要效果就是对观众的侮辱。
The main effect of the back-and-forthing in “Snow Flower and the Secret Fan” is to insult the audience.
“雪花秘扇”里的前后时代穿梭产生的主要效果就是对观众的侮辱。
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