福建液體渦輪流量計廠家江蘇中徽測控儀表供應(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="孔板流量計分類1、內(nèi)藏孔板這一類孔板是將孔板與測量管做成一體，一般用于小管徑（DN≤50mm），所以又稱小管徑孔板。特點：（1）、結(jié)構(gòu)緊湊，牢固耐用，工作可靠。（2），福建液體渦輪流量計廠家、可以測小流量，現(xiàn)場安裝方便。（3）、要求配制一段"><meta name="keywords" content="福建液體渦輪流量計廠家,流量計"><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 http-equiv="Cache-Control" content="no-transform" /> <meta 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href="http://www.cdcfah.com/cp/third-wybez_yyb/">液位儀表</a>?福建液體渦輪流量計廠家江蘇中徽測控儀表供應(yīng)</p><div id="jcwctvc" class="leftbox clearfix"><h1>福建液體渦輪流量計廠家江蘇中徽測控儀表供應(yīng)</h1><div id="hfckwo7" class="proBig"><div id="gegn7fg" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436289029668701/3265337.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zhtv2r2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436289029668701/3265337.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qjbtvmy" 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>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廠家,流量計</p><p><span>***更新：</span>2021-01-20 02:07:00</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="vumtamd" 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: </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</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="fy22fpb" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mg7tpg3" class="box"><p><p style="text-indent:25px">孔板流量計分類1、內(nèi)藏孔板這一類孔板是將孔板與測量管做成一體，一般用于小管徑（DN≤50mm），所以又稱小管徑孔板。特點：（1）、結(jié)構(gòu)緊湊，牢固耐用，工作可靠。（2），福建液體渦輪流量計廠家、可以測小流量，現(xiàn)場安裝方便。（3）、要求配制一段直管段（前5D、后2D需精密加工）。使用條件：（1）、公稱通徑：15-50mm（2）、公稱壓力：≤6.3MPa（3），福建液體渦輪流量計廠家、精確度（不確定度）：2.5%2、限流孔板用于流體輸送過程的降壓、限流。利用節(jié)流件的壓力損失的特點，來達到降壓、限流的目的，福建液體渦輪流量計廠家。特點：結(jié)構(gòu)簡單、耐用、工作可靠。不需要測量差壓。容積式流量計與差壓式流量計、浮子流量計并列為三類使用量比較大的流量計；福建液體渦輪流量計廠家</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廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289029668701/3265337.png"></div><p style="text-indent:25px">孔板流量計是應(yīng)用為普遍、為普遍的是壓差式流量計。孔板流量計由節(jié)流安裝和差壓計或者由節(jié)流安裝與差壓變送器連同二次表共同組成。節(jié)流安裝的運用歷史長久，在國際，國內(nèi)都已規(guī)范化。節(jié)流安裝是差壓丈量時一次元件，人們應(yīng)用它在管道內(nèi)使流體產(chǎn)生壓差。應(yīng)用導(dǎo)壓管把節(jié)流安裝前后產(chǎn)生的壓差傳送給差壓變送器，再輸入到二次儀表，便顯現(xiàn)出管道內(nèi)流體的瞬時流量或累計流量。應(yīng)用調(diào)理儀表也能夠?qū)α髁客Ｖ拐{(diào)理。節(jié)流安裝構(gòu)造簡單，丈量精確，運用牢靠，檢修、維護都很便當(dāng)孔板流量計輸入信號源不穩(wěn)故剖析如下環(huán)室取壓規(guī)范孔板：屬規(guī)范孔板。由于完成了環(huán)室取壓，進步了丈量精度，縮短了裝置時所需小直線管段長度，可在各部門普遍應(yīng)用，角接單獨鉆孔取壓規(guī)范孔板：屬規(guī)范孔板。當(dāng)管徑在400毫米以上時，多采用此種方式。取壓方式為法蘭單獨鉆孔取壓、圓形均壓環(huán)取壓或方形均壓環(huán)取壓?？装宸绞娇蔀閹П谆蚍且?guī)范的圓缺孔板等，屬規(guī)范孔板。它不管管道直徑大小，其上、下游取壓孔中心均位于距孔板兩側(cè)端面各式各1時（25.5mm）處，煉油系統(tǒng)普遍采用此種方式。四川插入式巴類流量計廠家渦輪流量計特點：抗雜質(zhì)能力強、抗電磁干擾和抗振能力強;</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廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289098819741/4521959.png"></div><p> 流量計指示被測流量和(或)在選定的時間間隔內(nèi)流體總量的儀表，也是測量液體、氣體流量必不可少的儀表，大家平時想必也都見過許多不同類型的流量計。正確的安裝方式對流量計來說十分重要。流量測量的發(fā)展可追溯到古代的水利工程和城市供水系統(tǒng)。古羅馬凱撒時代已采用孔板測量居民的飲用水水量。公元**00年左右古埃及用堰法測量尼羅河的流量。我國的都江堰水利工程應(yīng)用寶瓶口的水位觀測水量大小等等。17世紀(jì)托里拆利奠定差壓式流量計的理論基礎(chǔ)，這是流量測量的里程碑。自那以后，18、19世紀(jì)流量測量的許多類型儀表的雛形開始形成，如堰、示蹤法、皮托管、文丘里管、容積、渦輪及靶式流量計等。 </p> <p> <br /> </p> <p> <br /> </p><p style="text-indent:25px">使用的用途現(xiàn)在有非常多不錯的產(chǎn)品都是可以進行使用的，使用起來也很方便，這一點安全沒有什么問題，而像孔板流量計的話，這款設(shè)備使用起來效率還是很高的，因為可以測量出準(zhǔn)確的結(jié)果，所以使用的用途也很*，在蒸汽、氣體、液體等介質(zhì)的測量中都可以發(fā)揮出作用，因此電工、化工、冶金、石油等范圍都可以進行使用。要如何選購現(xiàn)在可以購買的各種設(shè)備真的非常豐富，種類也很多，在這樣的情況下，需要注意的事情也是很多的，這一點可以信賴，而說到了孔板流量計的話，這一款設(shè)備使用起來也很方便，選購的過程中，只要注意使用的領(lǐng)域是哪里，而且使用的管道類型，即可選擇到合適的測量計，其次是要關(guān)注一下使用的環(huán)境，選擇正確的型號，保證使用后的性能?，F(xiàn)在有非常多測量設(shè)備都會獲得普及使用，像孔板流量計的話，因為使用的性能不錯，所以現(xiàn)在才會被普及頻繁的進行使用，使用效果是很不錯的，這一點值得信賴。智能電磁流量計因為結(jié)構(gòu)簡單，流量計外殼、被測流體和管道連接法蘭三者之間應(yīng)做等電位連接，并應(yīng)接地；</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廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289238506436/7289599.png"></div><p style="text-indent:25px">孔板流量計的常見問題主要有以下幾類：被測流體特性的影響比方在用孔板流量計丈量自然氣流量的時分，思索到自然氣自身的性質(zhì)，會隨著外界環(huán)境溫度的變化而發(fā)作復(fù)雜的改動，從而會影響到流量計的丈量精度。關(guān)于自然氣等密度會發(fā)作改動的介質(zhì)的丈量，必需首先肯定一個穩(wěn)定的工作溫度和正常的壓力。盡量減小外界溫度變化所帶來的壓力和溫度隨之發(fā)作的變化，大水平減小密度變化和緊縮系數(shù)變化，從而保證丈量的精確度。低密度氣體對某些丈量辦法的呈現(xiàn)艱難，此時就要改動已選定的丈量辦法，或者作溫度，并及時停止壓力修正，以保證丈量精確精確度。儀表性能的影響孔板流量計自身可能惹起誤差的緣由主要有：孔板入口直角銳利度；管徑尺寸與原方案不符；孔板厚度存在誤差；節(jié)流件附件產(chǎn)生臺階、偏心率；孔板上游端面的平度；環(huán)室尺寸產(chǎn)生臺階、偏心率；取壓的位置；焊接、焊縫能否突出；取壓孔加工不標(biāo)準(zhǔn)或呈現(xiàn)梗塞；節(jié)流件的不同軸度等等。這些要素都有可能影響孔板的反復(fù)性，反復(fù)性是由儀器自身的結(jié)構(gòu)原理與制造質(zhì)量所決議的，它的過程控制在實踐應(yīng)用中是很重要的指標(biāo)。而準(zhǔn)確度除了取決于反復(fù)性之外，還與量值標(biāo)定系統(tǒng)有關(guān)系。在實踐應(yīng)用中，儀表性能的反復(fù)性被許多要素干擾。質(zhì)量流量計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需給出介質(zhì)的參數(shù)。福建液體渦輪流量計廠家</p><p style="text-indent:25px">流量計可用于氣體、液體、蒸汽等介質(zhì)流量的測量。福建液體渦輪流量計廠家</p><p style="text-indent:25px">孔板流量計測量老不準(zhǔn)，處理方法有技巧！1、差壓管路堵塞，疏通差壓管路；2、差壓計故障，檢查差壓計；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)計節(jié)流裝置時采用的參數(shù)不一致，按相關(guān)公式修正，必要時應(yīng)重新計算差壓值；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，實測直管段內(nèi)徑，重新計算比較大流量；8、節(jié)流孔徑超差，實測節(jié)流孔徑，重新計算比較大流量；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)該迎向流體流向為入口端，呈喇叭形的一側(cè)為出口端。如果裝反了，顯示將會偏小很多。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，測量壓差就會變小，流量顯示就會偏低。解決辦法：對孔板進行重新加工。福建液體渦輪流量計廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2921705.html</p></div></div></div></div></div><div id="jme2j7o" class="page-right twoColRt"><div id="s77qbtq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="j7r7lfq" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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