提出了离心引风机叶轮磨损问题。
Abrasion problem of centrifugal induced draught fan impeller is put forward.
指出了其焊接特点及对风机叶轮焊接的适用性。
Its welding feature and applicability to fan impeller welding is pointed out.
对提高风机叶轮动平衡试验的成功率具有指导意义。
It has guiding significance to improve the success rate of he dynamic Balance test for Impeller of fan.
采用组合单元法分析了轴流通风机叶轮的振动特性。
Vibrational characteristic of axial fan impeller is analyzed by composition unit method.
论述了离心通风机叶轮进口相对涡流的产生及其变化规律。
Produce & Change low of relative vortex at impeller inlet of centrifugal fan are discussed.
本文利用稳态气流的变更方程，建立了风机叶轮的转移矩阵。
In this paper, a transition matrix of blower blade is set up by the variation equation of stead flow of gas.
介绍了利用简单方法，解决风机叶轮现场静、动平衡的问题。
A simple method to settle the problem of static and dynamic balance of blower wings on the spot is introduced.
用ANSYS软件对轴流通风机叶轮的振动特性进行了分析。
Vibrating characteristic is analyzed on the axial fan impeller with the software ANSYS.
该风机叶轮的自清理功能改善了清扫车对杂物种类的适应性；
The self-cleaning function of the impeller of the fan improves the adaptability of the sweeping vehicle towards the kinds of sundries.
主要工作是开发一种能用于工程实际的轴流风机叶轮设计软件。
The objective of this paper is to build a software for axial fans' impeller designing.
本文分析并计算了含尘离心风机叶轮的磨损和尘粒的流动轨迹。
The flow traces of particulates and the erosion of impellers in centrifugal fans with particulates were calculated and analysed in this paper.
介绍了对风机叶轮前盘采用分段压型和组焊的工艺方案以及制造工艺的过程。
Sectionally pressing and assembled weld technology of front disc on fan impeller is introduced.
结合大型钛材铸焊结构高速鼓风机叶轮的研制，阐述了其叶轮的制造工艺特点。
Combining with development of high speed blower impeller with large titanium material cast welding structure, the manufacturing technical feature of the impeller is set forth.
我们生产的排风机是一款插塞式排风机，更换风机叶轮、支架和轴承十分简单。
The recirculating and exhaust fans for each zone of the oven are of the plug fan type design to allow quick and easy replacement of the fan wheel, shaft and bearings if the need should ever arise.
本实用新型涉及到离心鼓风机制造领域，是一种风机叶轮倾斜温控焊接台装置。
The utility model relates to a field of centrifugal blower production, in particular to a fan impeller inclined temperature control welding table device.
对通风机叶轮修割的意义分别在气动性能、机械性能、安全性和经济性方面来阐述。
The signification of fan impeller repair is set forth in respects of aerodynamic, mechanical property, safety and economy.
介绍了煤气鼓风机叶轮腐蚀现象，并简单分析了腐蚀原因，还提出了8项改进措施。
Corrosion phenomenon of gas blower impeller is introduced, the corrosive reason is briefly analyzed, and 8 items of improving measures are put forward.
通过电镜、能谱分析、金相分析等手段对H13钢制风机叶轮模坯开裂进行了综合分析。
Cracking of H13 steel die blank for fan impellers was analyzed by means of SEM, EDS and metallographic microscope.
lgy轴流风机叶轮采用优质铝合金为材料，具有重量轻、耐高温、防锈抗腐蚀等特点。
The impeller of LGY axial flow fan adopts high-quality aluminium alloy, and has the characteristics of light weight, high-temperature resistance, rust protection and corrosion resistance.
结果表明，由于叶轮所处环境及工作过程中所受的拉应力作用，风机叶轮在应力腐蚀作用下开裂。
The results show that because of tensile stressproducted in their environment and working process, the gas turbine wheel cracks under the action of stress corrosion.
对转炉煤气风机叶轮故障进行诊断，分析了故障产生的原因，提出了处理措施，延长了设备使用寿命。
The faults of blower impellers for converter gas were diagnosed and causes of the fault were analyzed. The disposal measures were raised, which prolonged the service life of plants.
分析了引风机叶轮产生不平衡的主要原因，针对不同情况提出了相应的对策。这些对策在实践中取得了良好效果。
Major reasons that cause dynamic balance troubles of induced draft fan impeller are analyzed. Contermeasures to different cases are put forward and have had good efficiency in practice.
说明了用ANSYS软件在对轴流通风机叶轮的振动特性分析上是一种先进方法，也可以用于通风机的计算机辅助设计。
It is an advanced method that use ANSYS to analyze the vibrating characteristic of axial fan impeller. It can be also used in fan CAD.
风力发电机的控制系统和偏航机构本身都存在一定的滞后性，当风向和风速频繁变化时，风机叶轮迎风面无法准确对准风的来向，随之而来的系统对风的跟踪失效问题会影响风力发电机的效率。
There is a certain lag in wind turbine control system and yaw body itself, the impeller can not accurately aligned toward the wind direction when the wind direction and wind speed changes frequently.
针对反应堆的特殊要求，主氦循环风机的设计包括总体结构、叶轮型式、冷却系统、轴承、测量仪表、电气贯穿件和隔断阀。
The design of the helium circulator involves the overall construction, the impeller type, the cooling system, the bearings, the instrumentation, the electrical penetrations, and the shutoff valve.
试验风机包括五种不同K值的叶轮。
The test fans have included five impellers with various K values.
详细分析了风机内部流场情况，发现轮盖附近的流动分离现象使叶轮对流体的做功能力受到很大影响。
The analysis of the flow field indicates that the flow separation near shroud had more badly influence on performance of impeller.
以nsr - 40型罗茨鼓风机的三叶扭叶叶轮为例，详细阐述了这种叶轮型面在车削加工中心的加工方法、工艺和数控编程。
Taking NSR_40 Roots blower as an example, the processing ways, technics and NC program of this twist tri_lobe profile on the lathe machining center is set forth in detail.
叙述了罗茨鼓风机三叶叶轮加工中用定位方法来实现三叶叶轮准确分度的工艺方式。
The work process accurate dividing of three blade impeller realized by the use of positioning in the processing of three blade impeller for Roots blower are described.
叙述了罗茨鼓风机三叶叶轮加工中用定位方法来实现三叶叶轮准确分度的工艺方式。
The work process accurate dividing of three blade impeller realized by the use of positioning in the processing of three blade impeller for Roots blower are described.
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