福建液體渦輪流量計(jì)找哪家誠信為本江蘇中徽測控儀表供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="一體式孔板流量計(jì)是現(xiàn)階段在原油、化工廠、冶金工業(yè)、電力工程、供暖、供電等行業(yè)用以準(zhǔn)確測量汽體、蒸氣，福建液體渦輪流量計(jì)找哪家、液體及引的總流量的關(guān)鍵方法，流通截面的轉(zhuǎn)變?cè)诂F(xiàn)場應(yīng)用中，填料表層很有或許會(huì)粘合上一層污漬或殘?jiān)纬缮唐妨魍ń孛婵s"><meta name="keywords" content="福建液體渦輪流量計(jì)找哪家,流量計(jì)"><link rel="canonical" href="http://www.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 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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fhkg83t" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436289158887356/6747137.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3zqhtkw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>福建液體渦輪流量計(jì)找哪家,流量計(jì)</p><p><span>***更新：</span>2021-01-14 07:11:45</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="yn4rdpw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測控儀表有限公司</a></p><p><span>聯(lián)系人：</span>姜經(jīng)理</p><p><span>郵箱: </span>jszhck@163.com</p><p><span>電話: </span>13770424300</p><p><span>傳真: </span>0517_86903470</p><p><span>網(wǎng)址: </span>http://www.jszhckyb.com</p><p><span>手機(jī): </span>0517-86900078</p><p><span>地址: </span>江蘇省淮安市金湖縣工業(yè)集中區(qū)A區(qū)3號(hào)</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="l2alhev" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ud4mtpw" class="box"><p><p style="text-indent:25px">一體式孔板流量計(jì)是現(xiàn)階段在原油、化工廠、冶金工業(yè)、電力工程、供暖、供電等行業(yè)用以準(zhǔn)確測量汽體、蒸氣，福建液體渦輪流量計(jì)找哪家、液體及引的總流量的關(guān)鍵方法，流通截面的轉(zhuǎn)變?cè)诂F(xiàn)場應(yīng)用中，填料表層很有或許會(huì)粘合上一層污漬或殘?jiān)?，形成商品流通截面縮小，準(zhǔn)確測量氣體壓力便會(huì)擴(kuò)展，福建液體渦輪流量計(jì)找哪家，進(jìn)而準(zhǔn)確測量總流量擴(kuò)展。處理方法:查驗(yàn)填料周邊是不是整潔，對(duì)其展開清理，智能變送器零點(diǎn)漂移假設(shè)使用時(shí)間較長，智能變送器的零點(diǎn)很有或許會(huì)產(chǎn)生飄移，如果是正飄移，顯現(xiàn)信息的氣體壓力或許擴(kuò)展，顯現(xiàn)信息的總流量便會(huì)擴(kuò)展。處理方法:對(duì)智能變送器的零點(diǎn)展開校準(zhǔn)，福建液體渦輪流量計(jì)找哪家，一體式孔板流量計(jì)上中下游接管段間隔不足上中下游接管段間隔假設(shè)不足，汽體將無法得到充足發(fā)展趨勢(shì)，會(huì)使計(jì)量檢定結(jié)果導(dǎo)致很大誤差，假設(shè)上下游在要求接管段內(nèi)存有獨(dú)自彎管或平面圖雙彎管，將使計(jì)量檢定結(jié)果較高。處理方法:更新改造壓縮空氣管道，使上中下游接管段間隔做到要求規(guī)定。在節(jié)省裝置以前改裝鎮(zhèn)流器，孔板厚度不符合要求標(biāo)準(zhǔn)中要求填料薄厚應(yīng)挨近填料打孔薄厚e與0.05D中間。假設(shè)超越這一領(lǐng)域，將使汽體穿過填料的摩擦阻力損害擴(kuò)展，使計(jì)量檢定值比詳細(xì)值較高。質(zhì)量流量計(jì)就得到的應(yīng)用和重視。質(zhì)量流量計(jì)分直接式和間接式兩種。福建液體渦輪流量計(jì)找哪家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建液體渦輪流量計(jì)找哪家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289158887356/6747137.png"></div><p style="text-indent:25px">孔板流量計(jì)的取壓方式孔板流量計(jì)的取壓方式有以下幾種：1、角接取壓包括鉆孔取壓和環(huán)室取壓，有利于縮短直管段，精度較高。其中鉆孔取壓適合管徑為DN400-DN3000，環(huán)室取壓適合DN50-DN400。2、法蘭取壓具有加工簡單、易安裝易清理等特點(diǎn)，但精度低于角接取壓，適合管徑為DN50-DN1000。3、徑距取壓點(diǎn)固定，適合雷諾數(shù)大的場合，適合管徑為DN50-DN1000。環(huán)室取壓就屬于角接取壓，用上環(huán)室進(jìn)行均壓效果更好一些，但是DN600的孔板用環(huán)室成本就提高不少，若只用法蘭式角接取壓安裝時(shí)要注意到位也行，準(zhǔn)確度會(huì)有所降低；法蘭取壓較簡單，容易裝配，但準(zhǔn)確度較角接取壓低一些；此外還有徑距取壓，但其壓差較小不易測量，因此很少采用，但徑距取壓適用于大管道的過熱蒸汽測量；根據(jù)你這種情況采用環(huán)室角接取壓效果，準(zhǔn)確度和靈敏度都高，但是成本稍高一些。福建液體渦輪流量計(jì)找哪家固定式超聲波流量計(jì)用于安裝在某一固定方位，對(duì)某一特定管道內(nèi)流體的流量進(jìn)行長時(shí)間不間斷的計(jì)量；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建液體渦輪流量計(jì)找哪家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289114609938/9762879.png"></div><p> 孔板流量計(jì)使流速增加，靜壓力低，于是在節(jié)流件前后便產(chǎn)生了壓力降，即壓差，介質(zhì)流動(dòng)的流量越大，在節(jié)流件前后產(chǎn)生的壓差就越大，所以孔板流量計(jì)可以通過測量壓差來衡量流體流量的大小。這種測量方法是以能量守衡定律和流動(dòng)連續(xù)性定律為基準(zhǔn)的?？装辶髁坑?jì)可測量管道中各種流體的流量，可測量的介質(zhì)有液體、氣體、蒸汽，被廣泛應(yīng)用于石油、化工、冶金、輕工、煤礦等工業(yè)部門。測量原理：充滿管道的流體，當(dāng)它們流經(jīng)管道內(nèi)的節(jié)流裝置時(shí)，流束將在節(jié)流裝置的節(jié)流件處形成局部收縮. </p> <p> <br /> </p> <p> <br /> </p><p> 孔板流量計(jì)前后產(chǎn)生一個(gè)靜壓力差,該壓力差與流量存在著一定的函數(shù)關(guān)系,流量越大,壓力差就越大.差壓信號(hào)傳送給差壓變送器,轉(zhuǎn)換成4-20ma.DC模擬信號(hào)輸出,遠(yuǎn)轉(zhuǎn)給流量積算儀,實(shí)現(xiàn)流體流量的計(jì)量.質(zhì)量型流量計(jì),利用智能型差壓變送器,對(duì)工況溫/壓進(jìn)行自動(dòng)補(bǔ)償后,實(shí)現(xiàn)對(duì)流體質(zhì)量流量的測量 </p> <p> 孔板流量計(jì)要送熱風(fēng)，熱風(fēng)爐離高爐一般比較近，且彎頭較多。過去曾使用標(biāo)準(zhǔn)孔板，因直管段不夠長而誤差較大。本儀表因?yàn)橛芯鶋涵h(huán)和多個(gè)取壓口，需要2D長的直管段即可。安裝在熱風(fēng)爐送風(fēng)管上之后，應(yīng)用情況非常滿意，已經(jīng)有三十幾座熱風(fēng)爐裝上了環(huán)形孔板流量計(jì)，運(yùn)行3年多沒有故障。電磁流量計(jì)的測量原理不依賴流量的特性，如果管路內(nèi)有一定的湍流與漩渦產(chǎn)生在非測量區(qū)內(nèi)則與測量無關(guān)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建液體渦輪流量計(jì)找哪家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289098819741/4521959.png"></div><p style="text-indent:25px">質(zhì)量流量計(jì)由于流體的容積受溫度、壓力等參數(shù)的影響，用容積流量表示流量大小時(shí)需給出介質(zhì)的參數(shù)。在介質(zhì)參數(shù)不斷變化的情況下，往往難以達(dá)到這一要求，而造成儀表顯示值失真。因此，質(zhì)量流量計(jì)就得到的應(yīng)用和重視。質(zhì)量流量計(jì)分直接式和間接式兩種。直接式質(zhì)量流量計(jì)利用與質(zhì)量流量直接有關(guān)的原理進(jìn)行測量，目前常用的有量熱式、角動(dòng)量式、振動(dòng)陀螺式、馬格努斯效應(yīng)式和科里奧利力式等質(zhì)量流量計(jì)。間接式質(zhì)量流量計(jì)是用密度計(jì)與容積流量直接相乘求得質(zhì)量流量的。孔板流量計(jì)可測量管道中各種流體的流量，可測量的介質(zhì)有液體、氣體、蒸汽；福建液體渦輪流量計(jì)找哪家</p><p style="text-indent:25px">污水流量計(jì)結(jié)構(gòu)簡單、牢固可靠、使用壽命長。福建液體渦輪流量計(jì)找哪家</p><p style="text-indent:25px">孔板流量計(jì)測量老不準(zhǔn)，處理方法有技巧！1、差壓管路堵塞，疏通差壓管路；2、差壓計(jì)故障，檢查差壓計(jì)；3、差壓變送器示值明顯偏離，應(yīng)檢查尺示值；4、節(jié)流元件安裝方向有誤，重新安裝節(jié)流元件；5、被測介質(zhì)工況參數(shù)與設(shè)計(jì)節(jié)流裝置時(shí)采用的參數(shù)不一致，按相關(guān)公式修正，必要時(shí)應(yīng)重新計(jì)算差壓值；6、節(jié)流裝置前后直管段長度不夠，應(yīng)調(diào)整直管段長度；7、直管段內(nèi)徑超差，實(shí)測直管段內(nèi)徑，重新計(jì)算比較大流量；8、節(jié)流孔徑超差，實(shí)測節(jié)流孔徑，重新計(jì)算比較大流量；9、節(jié)流元件變形，更換節(jié)流元件；10、節(jié)流元件上有附著物，清洗更換節(jié)流元件；11、孔板的尖銳一側(cè)應(yīng)該迎向流體流向?yàn)槿肟诙?，呈喇叭形的一?cè)為出口端。如果裝反了，顯示將會(huì)偏小很多。解決辦法：檢查孔板安裝方向，正確安裝孔板。12、孔板的入口邊緣磨損，如果孔板使用時(shí)間較長，特別是在被測介質(zhì)夾雜固體顆粒等雜物情況下，都會(huì)造成孔板的幾何形狀和尺寸的變化，如果造成開孔變大或開孔邊緣變鈍，測量壓差就會(huì)變小，流量顯示就會(huì)偏低。解決辦法：對(duì)孔板進(jìn)行重新加工。福建液體渦輪流量計(jì)找哪家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2841057.html</p></div></div></div></div></div><div id="l8qceq3" class="page-right twoColRt"><div id="3ypwnpl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="autzfvn" class="recomPic likePro"><a 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