如何延长一体化孔板流量计使用年限?

发布时间:2018-01-17 点击:3947次 发布人:admin

在我们的生活中,不论公司还是个人都希望自己的流量计能够使用的长一点,那么如何延长一体化孔板流量计使用年限呢?河北宏业永泰流体机械有限公司为您总结了一套延长一体化孔板使用年限的方法,希望能够带给您帮助:

1、对标准节流装置,首先要确认实际应用条件是否符号标准的规定,这样才能估计其实际测量精确度;而对于非标准节流装置的应用条件虽不如前者的要求严格,但也有一定的要求。

2、投运之后即应核对实际工作参数是否与设计计算书上的参数一致,否则必须进行必要的修正或补偿。

3、被测介质为气体或蒸汽且温度和(或)压力有较大波动时,应进行温度和(或)压力补偿。

4、当被测介质温度超过100℃时差压变送器前必须加装冷凝器;当被测介质有强腐蚀性时其前应加装隔离容器。

5、被测量的介质应为单相,若在节流件前后产生相变或有固体微粒或液体堆积,应设法防止或排除。

6、使用过程中应定期对差压变送器进行校准。

7、除须经常对导压管进行检查,以防堵塞外,对室外的导压管应予适当保温,以防凝固或冻结。

8、孔板入口边缘易于磨损而丧失精确度,应视具体情况予以定期更换孔板片。 

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