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为适应加压过滤机的自动化水平,气动阀门在加压过滤机中得到广泛应用。气动阀门由电磁换向阀控制,一旦出现故障,从外观一般难以准确判断。本文详细介绍了气动阀门的工作原理及常见故障,为准确判断故障原因、实现快速检修及合理改进提供一定的参考。1 气动阀门的工作原理气动阀门结构见图1,主要是借助气压推动活塞实现阀门开关,供气压力要求在0.6MPa左
In order to meet the automation of pressure filter, pneumatic valves are widely used in pressurized filters. Pneumatic valve solenoid valve control, in the event of failure, from the appearance of the general difficult to accurately determine. This paper introduces the working principle and common faults of the pneumatic valve in detail, and provides a reference for accurately diagnosing the cause of the fault and achieving quick overhaul and reasonable improvement. 1 Pneumatic valve works Pneumatic valve structure shown in Figure 1, mainly through the use of air pressure to promote the piston valve switch, air pressure requirements at 0.6MPa left