寧夏金屬管浮子流量計哪家好推薦咨詢西安倫騫電器設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="特點(diǎn)：流量測量與流體的流動狀態(tài)無關(guān)，這是因?yàn)闄E圓齒輪流量計是依靠被測介質(zhì)的壓頭推動橢圓齒輪旋轉(zhuǎn)而進(jìn)行計量的。粘度愈大的介質(zhì)，從齒輪和計量空間隙中泄漏出去的泄漏量愈小，因此核測介質(zhì)的粘皮愈大，寧夏金屬管浮子流量計哪家好，泄漏誤差愈小，對測量愈"><meta name="keywords" content="寧夏金屬管浮子流量計哪家好,流量計"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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class="leftbox clearfix"><h1>寧夏金屬管浮子流量計哪家好推薦咨詢西安倫騫電器設(shè)備供應(yīng)</h1><div id="a4ylkw0" class="proBig"><div id="yk3rvmb" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521478173828/3580503.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ynpro2t" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521478173828/3580503.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gvsubdx" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>陜西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>寧夏金屬管浮子流量計哪家好,流量計</p><p><span>***更新：</span>2021-01-04 01:12:28</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="azw3rqs" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安倫騫電器設(shè)備有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>付海飛</p><p><span>郵箱: </span>xalunqian@163.com</p><p><span>電話: </span>13891837328</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://xalunqian.shop.88360.com</p><p><span>手機(jī): </span>138-91837328</p><p><span>地址: </span>高新區(qū)發(fā)展大道25號軍民融合創(chuàng)新港</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="prjgn7h" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="pjl77fc" class="box"><p><p> 特點(diǎn)：流量測量與流體的流動狀態(tài)無關(guān)，這是因?yàn)闄E圓齒輪流量計是依靠被測介質(zhì)的壓頭推動橢圓齒輪旋轉(zhuǎn)而進(jìn)行計量的。粘度愈大的介質(zhì)，從齒輪和計量空間隙中泄漏出去的泄漏量愈小，因此核測介質(zhì)的粘皮愈大，寧夏金屬管浮子流量計哪家好，泄漏誤差愈小，對測量愈有利，寧夏金屬管浮子流量計哪家好。橢圓齒輪流量計計量精度高，適用于高粘度介質(zhì)流量的測量，但不適用于含有固體顆粒的流體(固體顆粒會將齒輪卡死，以致無法測量流量)，寧夏金屬管浮子流量計哪家好。如果被測液體介質(zhì)中夾雜有氣體時，也會引起測量誤差。 </p> <p> 安裝：橢圓齒輪流量計在安裝前應(yīng)清潔管道.若液體內(nèi)含有固體顆粒，則必須在管道上游加裝過濾器;若含氣體應(yīng)安裝排氣裝置。HI-TOUCH M系列橢圓齒輪流量計橢圓齒輪流量計對前后直管段沒有一定的要求。它可以水平或垂直安裝。安裝時，應(yīng)使流量計的橢圓齒輪轉(zhuǎn)動軸與地面平行。流量計在國民經(jīng)濟(jì)中的地位與作用更加明顯。寧夏金屬管浮子流量計哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏金屬管浮子流量計哪家好,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521478173828/3580503.png"></div><p> （1）渦街流量變送器的選擇 </p> <p> 在飽和蒸汽測量中采用VA型壓電式渦街流量變送器，由于渦街流量計量程范圍寬，因此，在實(shí)際應(yīng)用中，一般插入式渦街流量計主要考慮測量飽和蒸汽的流量不得低于渦街流量計的下限，也就是說必須滿足流體流速不得低于5m/s。根據(jù)用汽量的大小選用不同口徑的渦街流量變送器，而不能以現(xiàn)有的工藝管道口徑來選擇變送器口徑。 </p> <p> （2）壓力補(bǔ)償壓力變送器的選擇 </p> <p> 由于飽和蒸汽管路長，壓力波動較大，必須采用壓力補(bǔ)償，考慮到壓力、溫度及密度的對應(yīng)關(guān)系，測量中只采用壓力補(bǔ)償即可，由于明通公司管道飽和蒸汽壓力在0.3－0.7MPa范圍，壓力變送器的量程選擇1MPa即可。 </p> <p> （3）顯示儀表選擇 </p> <p> 顯示儀表智能流量顯示儀，具有穩(wěn)壓補(bǔ)償、瞬時流量顯示和累積流量積算功能。寧夏金屬管浮子流量計哪家好槽式流量計發(fā)展的同時，美籍匈牙利人卡門正在研究渦街理論，1911年到1912年，他提出了卡門渦街新理論。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏金屬管浮子流量計哪家好,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520071162109/9600659.png"></div><p> 時差法測量順逆?zhèn)鞑r傳播速度不同引起的時差計算被測流體速度。 </p> <p> 它采用兩個聲波發(fā)送器(SA和SB)和兩個聲波jieshouqi超聲流量計(RA和RB)。同一聲源的兩組聲波在SA與RA之間和SB與RB之間分別傳送。它們沿著管道安裝的位置與管道成θ角(一般θ=45°)(圖1)。由于向下游傳送的聲波被流體加速，而向上游傳送的聲波被延遲，它們之間的時間差與流速成正比。也可以發(fā)送正弦信號測量兩組聲波之間的相移或發(fā)送頻率信號測量頻率差來實(shí)現(xiàn)流速的測量。 </p> <p> 相位差法測量順逆?zhèn)鞑r傳播時由于時差引起的相位差計算速度。 </p> <p> 它的發(fā)送器沿垂直于管道的軸線發(fā)送一束聲波，由于流體流動的作用，聲波束向下游偏移一段距離。偏移距離與流速成正比。 </p><p> 靶式流量計特點(diǎn):1、整臺儀表結(jié)構(gòu)堅固無可動部件，插入式結(jié)構(gòu),拆卸方便;2、可選用多種防腐及耐高低溫材質(zhì)(如哈氏合金，鈦等);3、整機(jī)可做成全密封無死角(焊接形式)，無任何泄漏點(diǎn)，可耐42MPa高壓;4、儀表內(nèi)設(shè)自檢程序，故障現(xiàn)象一目了然;5、傳感器不與被測介質(zhì)接觸,不存在零部件磨損,使用安全可靠;6、可就地采用干式標(biāo)定方法，即采用砝碼掛重法。單鍵操作可完成標(biāo)定;7、具有多種安裝方式供選擇，如選擇在線插入式，安裝費(fèi)用低;8、具有一體化溫度、壓力補(bǔ)償，直接輸出質(zhì)量或標(biāo)方;9、具有可選小信號切除、非線性修正、濾波時間可選擇;10、能準(zhǔn)確測量各種常溫、高溫500度、低溫-200度工況下的氣體、液體流量;11、計量準(zhǔn)確，精度可達(dá)到12、重復(fù)性好，一般為，測量快速;13、壓力損失小，*為標(biāo)準(zhǔn)孔板的1/2△P左右;14、抗干擾，抗雜質(zhì)能力特強(qiáng);15、可根據(jù)實(shí)際需要更換阻流件(靶片)而改變量程;16、低功耗電池現(xiàn)場顯示，能在線直讀示值，顯示屏可同時讀取瞬時和累積流量及百分比棒圖;17、安裝簡單方便，極易維護(hù);18、多種輸出形式，能遠(yuǎn)傳各種參數(shù);19、抗震動性強(qiáng)，一定范圍內(nèi)可測脈動流。渦輪流量計和容積式流量計、科里奧利質(zhì)量流量計稱為流量計中三類重復(fù)性、精度zui佳的產(chǎn)品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏金屬管浮子流量計哪家好,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519957626953/9160428.png"></div><p> 1、流量計的選用原則: </p> <p> 流量計的選用主要參考流量范圍（L/h）、溫度（℃）、壓力（MPa）、口徑（mm）、黏度（mPa·s）、計量精度、腐蝕性、周圍工作環(huán)境、計算器形式等。 </p> <p> 2、流量計的安裝: </p> <p> 任何類型的流量計都有一定的安裝要求，只有正確安裝才能使流量計正常、準(zhǔn)確地運(yùn)行。流量計的安裝應(yīng)按產(chǎn)品使用說明書的要求，結(jié)合安裝現(xiàn)場的實(shí)際情況，以zui合適的方式進(jìn)行。 </p> <p> 3、流量計的使用與維護(hù): </p> <p> 只有當(dāng)流量計正確使用并及時的維護(hù)時，流量計才能以規(guī)定的精度運(yùn)行。 </p> <p> （1）使用流量計時應(yīng)按照規(guī)定的流量范圍、工作壓力和工作溫度，不得隨意超出范圍以確保測量精度及使用壽命。 </p> <p> （2）對于運(yùn)行中的流量計，應(yīng)按時巡檢，并記錄有關(guān)運(yùn)行參數(shù)，如溫度、濕度、壓力、噪聲及有無滲漏等。 </p> <p> （3）長時間不用的流量計應(yīng)將殼內(nèi)殘留的流體泄放掉，根據(jù)需要涂防腐劑。 </p> <p> （4）對于一些國家特定的流量計量儀表，按規(guī)定按期強(qiáng)制標(biāo)定。金屬管浮子流量計具有結(jié)構(gòu)堅固可靠、使用溫度范圍廣、精度高、價格便宜，能使用多種場合的流量測量等特點(diǎn)。便攜式超聲波流量計制造商</p><p style="text-indent:25px">由于分流管中置有限流小孔板，起到補(bǔ)償主孔板流量和差壓間平方根非線性關(guān)系，流量示值基本是線性的。寧夏金屬管浮子流量計哪家好</p><p> 一體型電磁流量計是根據(jù)法拉第電磁感應(yīng)定律制定，用來測量導(dǎo)電流體的體積流量。由于獨(dú)特的特點(diǎn)已廣地應(yīng)用于工業(yè)上各種導(dǎo)電液體的測量。主要用于化工、造紙、食品、紡織、冶金、環(huán)保、給排水等行業(yè)，與計算機(jī)配套可實(shí)現(xiàn)系統(tǒng)控制。1．電磁流量計沒有可動部件，也沒有阻流件，不會引起壓力損失，同時也不會引起磨損，阻塞等問題。2．電磁流量計是一體積流量測量儀表，在測量過程中不受被測介質(zhì)的溫度、粘度、密度以及導(dǎo)電率（在一定范圍內(nèi)）的影響。3．電磁流量計的量程范圍寬，可達(dá)1：100。此外，電磁流量計只與被測介質(zhì)的平均流速成正比，而與軸對稱的流動狀態(tài)（層流或紊流）無關(guān)。4．電磁流量計無機(jī)械慣性，反應(yīng)靈敏，可以測量瞬時脈動流量，而且線性好，因此可以將測量信號直接用轉(zhuǎn)換器線性的轉(zhuǎn)換成標(biāo)準(zhǔn)信號輸出。LD-T型可就地指示，LD型可遠(yuǎn)距離傳送。寧夏金屬管浮子流量計哪家好</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2690167.html</p></div></div></div></div></div><div id="rgizqsj" class="page-right twoColRt"><div id="7t82df3" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="b8f3bip" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" 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