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target="_blank">电气百科</a> >> <span>正文</span></div> <!-- main_content begin--> <div id="" class="maincontent"> <!-- left begin --> <div id="" class="news_left"> <div id="" class="brand_news_details"> <h1>电气百科:判断BURKERT气体涡轮流量计在实际应用存在的问?/h1><table style="border-bottom:1px dotted #e4e4e4;" align="center"><tr><td><div id="" class="news_mes">文章来源:【互联网?作者:??点击?span id="HitNum"></span>?时间?span id="dTime">2019/7/10 16:52:52</span><input type="hidden" id="ID" value="100899726"/><input type="hidden" id="TypeID" value="2"/></div> </td> <td><div id="ckepop"></div></td></tr></table><div id="Content" style="display:none;">[电气百科:判断BURKERT气体涡轮流量计在实际应用存在的问题]:首先要先了解一下BURKERT是否是在使用不当的情况下发生的,还是在质量不稳的时间发生的,那么重点要看以下几点一、主要特点:1、精度高、无零点漂移、高量程比、重复性好。由于涡轮流量计采用的是高质量的?..</div><div id="" class="brand_news_con"><p style="text-indent:2em;"> 首先要先了解一下BURKERT是否是在使用不当的情况下发生的,还是在质量不稳的时间发生的,那么重点要看以下几点 </p> <p style="text-indent:2em;">北京pk10赛车网址 一、主要特点: </p> <p style="text-indent:2em;"> 1、精度高、无零点漂移、高量程比、重复性好。由于涡轮流量计采用的是高质量的轴承和独特的导流片,大大增强了它的抗磨损性能,而且还能够在恶劣的环境下进行测量,测量数据不失真?</p> <p style="text-indent:2em;">北京pk10赛车网址 2、采用的是脉冲输出信号,容易对信号进行数字化?</p> <p style="text-indent:2em;"> 3、采用了先进的超低功耗单片微机技术,使得整体的功能增强、功耗降低,从而使它的各项性能也更加优越?</p> <p style="text-indent:2em;">北京pk10赛车网址 4、涡轮流量计的叶轮具有防腐的效果,外部采用的也是全不锈钢结构,本身具有较强的抗磁干扰和振动能力,大大增强了仪表的使用年限?</p> <p style="text-indent:2em;">北京pk10赛车网址 5、维修容易,而且其内部含有自整流的结构,小型轻巧,结构简单,可以在很短的时间内将其组合完成?</p> <p style="text-indent:2em;"> 二、涡轮流量计在天然气流量计量中的应用 </p> <p style="text-indent:2em;">北京pk10赛车网址 气体涡轮流量计正广泛的应用于天然气贸易结算过程中。选用气体涡轮流量计计量天然气流量之前,首先要正确安装气体涡轮流量计,安装之前,要确认输气管线是清洁的,且没有水、脏污等,如果被测天然气中含有杂质,必须要添加过滤器,防止涡轮流量计损坏。涡轮流量计在安装的时候应该要保持水平,尽量不要垂直安装,如果天然气管道中含有水,则涡轮流量计要倾斜摆放,保证天然气能够从流量计中出来。天然气的传输方向要与涡轮流量计上标注的方向一致,不得反方向安装。一般推荐在涡轮流量计的入口和出口端各加接一段直管,入口端长度要不小?0倍管段内径,出口端长度不小于5倍管段内径,或者可以在阻流设备与涡轮流量计之间安装整流器?</p> <p style="text-indent:2em;">北京pk10赛车网址 三、气体涡轮流量计在实际应用中存在的问题及相关建议 </p> <p style="text-indent:2em;">北京pk10赛车网址 由于各种因素的影响,在实际应用的过程中还是存在一些问题的。常见的问题有:无信号、运转速度忽慢忽快、涡轮流量计不计数、负偏差增加(准确度降低)以及设计流量与实际流量不匹配等等?</p> <p style="text-indent:2em;">北京pk10赛车网址 BURKERT宝德气体涡轮流量计在实际应用中存在的哪些问题?</p> <p style="text-indent:2em;"> 1、对于无信号的情况,要先检查电源,检查电源没问题后再对涡轮流量计本身进行检查,并判断是一次仪表还是二次仪表的故障,如果二次仪表没有问题,则检查信号线是否正确连接,如果仍然无信号输出,也有可能是流体的流速太慢或者传感器出现了问题,导致检测不到信号?</p> <p style="text-indent:2em;">北京pk10赛车网址 2、对于运转速度忽慢忽快的情况,首先可以通过调整仪表系数来控制速度,如果仪表系数变化较大,也可以检查插入杆深度是否恰当,大多数情况下,是由于叶轮无法运转,流量计内部含有污物,可以使用盐酸来清洗污物?</p> <p style="text-indent:2em;"> 3、对于涡轮流量计不计数的情况,可能是由于电源或者开关接触不良导致的,所以要对涡轮流量计内部的器件进行检查,检查各个部件是否出现故障,如果出现了故障,要及时修理或更换零件?</p> <p style="text-indent:2em;"> 4、作为速度式流量计,随着运行时间的增加(通常在运行两年后),内部轴承会逐渐磨损,容易造成叶轮转速变慢(与正常相比),计量负偏差增大,从而引起计量偏少的现象,对大流量的计量影响尤为突出。建议改善方式:与生产厂家及代理商积极沟通,进行有针对性的维护或者干脆定期更换轴承?</p> <p style="text-indent:2em;">北京pk10赛车网址 判断BURKERT气体涡轮流量计在实际应用中存在的哪些问题 1.BURKERT电磁阀从原理上分为三大?</p> <p style="text-indent:2em;"> BURKERT直动式电磁阀 </p> <p style="text-indent:2em;"> 原理:通电时,电磁线圈产生电磁力把关闭件从阀座上提起,阀门打开;断电时,电磁力消失,弹簧把关闭件压在阀座上,阀门关闭?特点:在真空、负压、零压时能正常工作,但通径一般不超过25mm?</p> <p style="text-indent:2em;"> BURKERT分布直动式电磁阀?</p> <p style="text-indent:2em;"> 原理:它是一种直动和先导式相结合的原理,当入口与出口没有压差时,通电后,电磁力直接把先导小阀和主阀关闭件依次向上提起,阀门打开。当入口与出口达到启动压差时,通电后,电磁力先导小阀,主阀下腔压力上升,上腔压力下降,从而利用压差把主阀向上推开;断电时,先导阀利用弹簧力或介质压力推动关闭件,向下移动,使阀门关闭?特点:在零压差或真空、高压时亦能?动作,但功率较大,要求必须水平安装?</p> <p style="text-indent:2em;">北京pk10赛车网址 BURKERT先导式电磁阀?</p> <p style="text-indent:2em;">北京pk10赛车网址 原理:通电时,电磁力把先导孔打开,上腔室压力迅速下降,在关闭件周围形成上低下高的压差,流体压力推动关闭件向上移动,阀门打开;断电时,弹簧力把先导孔关闭,入口压力通过旁通孔迅速腔室在关阀件周围形成下低上高的压差,流体压力推动关闭件向下移动,关闭阀门?特点:流体压力范围上限较高,可任意安装(需定制)但必须满足流体压差条件?2.电磁阀从阀结构和材料上的不同与原理上的区别,分为六个分支小类: 直动膜片结构、分步重片结构、先导膜式结构、直动活塞结构、分步直动活塞结构、先导活塞结构?</p> <p style="text-indent:2em;"> <br /> </p></div><div id="" class="meneame"><span class="disabled">< </span><span class="current">1</span> <span class="disabled">> </span></div> <div id="" style="text-align: center;padding-top: 10px;"><img src="/images/code.jpg" alt="关注有惊?" /></div> <div id="" 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