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Dynamic behavior of an industrial fume extraction fan

机译：工业排烟风机的动态特性

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The availability of rotating machines is a crucial factor in their quality. They require organized maintenance operations based on observed facts, measurements for diagnostics, in particular vibration, management and sometimes a need for modifications. In recent years, an entirely new vibration measurement technology has been developed to ensure the control and monitoring of modern high-speed, high-performance machines. The use of piezoelectric accelerometers to convert vibratory movements into electrical signals makes it possible to perform measurement and vibration analysis skillfully using the extensive possibilities of electronics. Computerized data collectors have given considerable boost to the periodic monitoring of rotating machines. The aim is to detect and monitor the evolution of all the mechanical or electrical failures most commonly encountered in the industry. In this work, we intend to study the dynamic behavior of large-scale strategic equipment located in the firing zone of a cement plant, it is the industrial fume extraction fan. SolidWorks simulation software is used. We model and operate with the simulation of a part of the system: set tree-turbine double body. In parallel, we studied the vibratory behavior of the whole kinematic system. We have programmed the vibration measurement points through all of the bearings using XPR 300 vibration analysis software, then we take vibration measurements with a collector Two-way computerized data system called MOVIPACK. The spectral interpretation makes it possible to detect the presence of several mechanical defects (imbalance defect, misalignment, etc.) which have produced the appearance of a play on the bearing surfaces. Simulation results are obtained. We consider: - Failures that occur during operation of the machine - The set of measurable data such as vibration levels and spectra - Associated - Relevant mathematical tools such as theoretical simulation of failures Analysis of the analytical and numerical model, determination of frequencies Clean... The objective is to develop methods adapted to each case of failure. The results of the simulation obtained are those of the experiment.
机译：旋转机械的可用性是其质量的关键因素。他们需要根据观察到的事实，用于诊断的测量，特别是振动，管理以及有时需要进行修改的有组织的维护操作。近年来，已经开发了一种全新的振动测量技术，以确保对现代高速，高性能机器进行控制和监视。压电加速度计的使用将振动运动转换为电信号，从而可以利用广泛的电子技术熟练地执行测量和振动分析。计算机数据收集器极大地促进了旋转机械的定期监控。目的是检测和监视行业中最常见的所有机械或电气故障的发展。在这项工作中，我们打算研究位于水泥厂燃烧区的大型战略设备的动态行为，该设备是工业排烟风机。使用了SolidWorks仿真软件。我们对系统的一部分进行建模和仿真：设置树形涡轮双体。同时，我们研究了整个运动系统的振动行为。我们已经使用XPR 300振动分析软件对所有轴承的振动测量点进行了编程，然后使用称为MOVIPACK的采集器双向计算机数据系统进行了振动测量。光谱解释可以检测出一些机械缺陷（不平衡缺陷，未对准等）的存在，这些缺陷在轴承表面上产生了游隙。获得了仿真结果。我们考虑：-机器运行过程中发生的故障-一组可测量的数据，例如振动水平和频谱-关联的-相关的数学工具，例如故障的理论模拟分析和数值模型的分析，频率的确定Clean ..目的是开发适合每种故障情况的方法。获得的模拟结果是实验的结果。

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