椭圆齿轮流量计使用前的检查和维护你知道吗?

发布时间:2018-01-17 点击:3895次 发布人:admin

椭圆齿轮流量计(又称排量流量计,齿轮流量计),属于容积式流量计一种,在流量仪表中是精度较高的一类。特别适合于重油、聚乙烯醇、树脂等粘度较高介质的流量测量,现广泛用于化工、石油、医药、电力、冶金和食品等工业部门的流量计量工作。关于椭圆齿轮流量计使用前的一些检查和维护等工作,河北宏业永泰流体机械股份有限公司为大家总结出以下5个小点:

 

1、检查流量计安装:完成椭圆齿轮流量计安装后,须认真检查,要求焊接牢固,方向正确,试压无泄漏现象。

 

2、仪表接线:椭圆齿轮流量计与差压变送器、流量积算仪一起构成测量系统,请反复检查,确定无误后方可投入运行。

 

3、系统预热:投运准备工作完成后,被测介质充满工艺管道,椭圆齿轮流量计暂时处于关闭状态,此时应使三阀组的平衡阀处于开启状态,高压阀与低压阀处于关闭状态。打开仪表电源,预热15分钟。

 

4、仪表调校:仔细阅读智能流量积算仪说明书。依照椭圆齿轮流量计所附计算书,正确设置智能流量积算仪中各参数,确保积算仪能正确计算和显示流量。

 

5、系统运行:预热完成后,打开三阀组的高压阀和低压阀,被测介质充入差压变送器,打开差压变送器后的排污阀,迅速排出脏液或气体后关闭排污阀,再关闭三阀组的平衡阀,变送器即进入测量状态,流量积算仪也进入工作状态,显示管道内介质流量。 

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