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Optimisation and monitoring of valves for GEHO piston diaphragm pumps

机译：GEHO活塞隔膜泵阀门的优化和监控

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For a long distance hydraulic transportation system the availability and reduction of operating costs of main line pump station is crucial. It is very important to ensure that the pumps show no unexpected downtime. For this reason a lot of attention is paid to preventive maintenance. State-of-the-art pump stations for long distance ore pipeline services are now equipped with piston diaphragm pumps. The diaphragm separates the medium from the moving parts in the pump such as pistons, cylinders and the stuffing box. The only moving parts which are exposed to the medium are the inlet and outlet check valves. The valves are the only moving pump parts that in direct contact with the slurry are subjected to wear. In order to further increase the availability and to reduce the costs of the piston diaphragm pumps, it is essential to monitor the condition of the valves closely. This will enable that no premature replacement is done and that valves are replaced before damage due to wear had occurred. At Samarco Mineracao, an automatic valve monitoring system has been successfully installed which monitors valve wear by means of acoustic signals. This paper will introduce this valve monitoring system and shows some results.
机译：对于长距离液压运输系统，主线泵站的运营成本的可用性和降低至关重要。确保泵没有意外的停机时间非常重要。由于这个原因，重点是预防性维护。长途矿石管道服务的最先进的泵站现在配备了活塞隔膜泵。隔膜将介质与泵中的泵中的移动部件分开，例如活塞，圆柱体和填料箱。暴露于介质的唯一运动部件是入口和出口止回阀。阀门是唯一可以与浆料直接接触的移动泵部件进行磨损。为了进一步提高可用性并降低活塞膜片泵的成本，必须密切监测阀门的状况。这将使得没有完成过早的更换，并且在磨损发生损坏之前更换阀门。在Samarco Mineracao，已成功安装自动阀门监控系统，该系统通过声学信号监控阀门磨损。本文将介绍该阀门监控系统并显示出一些结果。

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