上海金屬轉(zhuǎn)子流量計(jì)供貨商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="孔板流量計(jì)安裝前基本要求：1．孔板流量計(jì)安裝前應(yīng)仔細(xì)核對標(biāo)準(zhǔn)孔板的編號(hào)、位號(hào)、規(guī)格是否與管道情況、流量范圍等參數(shù)相符。在取壓口附近標(biāo)有“+”的一端應(yīng)與流體上游管段聯(lián)接，標(biāo)有“—”的一端應(yīng)與流體下游管段聯(lián)接。2．對于新設(shè)管路系統(tǒng)，必須先經(jīng)掃線"><meta name="keywords" content="上海金屬轉(zhuǎn)子流量計(jì)供貨商,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 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class="twoCol"><div id="ffb7hrr" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_wybez/">物位儀表</a>?<a href="http://www.cdcfah.com/cp/third-wybez_yyb/">液位儀表</a>?上海金屬轉(zhuǎn)子流量計(jì)供貨商江蘇中徽測控儀表供應(yīng)</p><div id="7tdl7zd" class="leftbox clearfix"><h1>上海金屬轉(zhuǎn)子流量計(jì)供貨商江蘇中徽測控儀表供應(yīng)</h1><div id="x7ljjlv" class="proBig"><div id="jdd9p7j" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436289174834595/5651638.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7lbjhpz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436289174834595/5651638.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="b9ltv9b" 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>上海金屬轉(zhuǎn)子流量計(jì)供貨商,流量計(jì)</p><p><span>***更新：</span>2021-01-25 06:08:11</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7h9xnpz" 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="fn9p9jn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bzfnjjb" class="box"><p><p> 孔板流量計(jì)安裝前基本要求：1．孔板流量計(jì)安裝前應(yīng)仔細(xì)核對標(biāo)準(zhǔn)孔板的編號(hào)、位號(hào)、規(guī)格是否與管道情況、流量范圍等參數(shù)相符。在取壓口附近標(biāo)有“+”的一端應(yīng)與流體上游管段聯(lián)接，標(biāo)有“—”的一端應(yīng)與流體下游管段聯(lián)接。2．對于新設(shè)管路系統(tǒng)，必須先經(jīng)掃線后再安裝標(biāo)準(zhǔn)孔板，以防管內(nèi)雜物堵塞或損傷標(biāo)準(zhǔn)孔板。3．標(biāo)準(zhǔn)孔板的中心線應(yīng)當(dāng)與管道中心線同軸，上海金屬轉(zhuǎn)子流量計(jì)供貨商。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，上海金屬轉(zhuǎn)子流量計(jì)供貨商，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。 </p> <p> <br /> </p> <p> <br /> 標(biāo)準(zhǔn)孔板按常用取壓方式可分為角接取壓，上海金屬轉(zhuǎn)子流量計(jì)供貨商、法蘭取壓、徑距取壓三種類型。上海金屬轉(zhuǎn)子流量計(jì)供貨商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海金屬轉(zhuǎn)子流量計(jì)供貨商,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289174834595/5651638.png"></div><p> 流量計(jì)指示被測流量和(或)在選定的時(shí)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(shí)想必也都見過許多不同類型的流量計(jì)。正確的安裝方式對流量計(jì)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(shí)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(jì)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(jì)等。 </p> <p> <br /> </p> <p> <br /> 上海金屬轉(zhuǎn)子流量計(jì)供貨商電磁流量計(jì)的常規(guī)直管段要求是**D后5D，在有彎管、閥門的情況分別有不同的要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海金屬轉(zhuǎn)子流量計(jì)供貨商,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289042998618/4460086.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 style="text-indent:25px">浮子流量計(jì)浮子流量計(jì),又稱轉(zhuǎn)子流量計(jì),是變面積式流量計(jì)的一種,在一根由下向上擴(kuò)大的垂直錐管中,圓形橫截面的浮子的重力是由液體動(dòng)力承受的,從而使浮子可以在錐管內(nèi)自由地上升和下降。浮子流量計(jì)是僅次于差壓式流量計(jì)應(yīng)用范圍寬廣的一類流量計(jì),特別在小、微流量方面有舉足輕重的作用。80年代中期,日本、西歐、美國的銷售金額占流量儀表的15%~20%。我國產(chǎn)量1990年估計(jì)在12~14萬臺(tái),其中95%以上為玻璃錐管浮子流量計(jì)。特點(diǎn):(1)玻璃錐管浮子流量計(jì)結(jié)構(gòu)簡單,使用方便,缺點(diǎn)是耐壓力低,有玻璃管易碎的較大風(fēng)險(xiǎn);(2)適用于小管徑和低流速;(3)壓力損失較低。電磁流量計(jì)內(nèi)的測量電極處于一個(gè)直流或交流電場內(nèi)；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海金屬轉(zhuǎn)子流量計(jì)供貨商,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289029668701/3265337.png"></div><p style="text-indent:25px">電磁流量計(jì)是根據(jù)法拉弟電磁感應(yīng)定律制成的一種測量導(dǎo)電性液體的儀表。電磁流量計(jì)有一系列優(yōu)良特性,可以解決其它流量計(jì)不易應(yīng)用的問題,如臟污流、腐蝕流的測量。變送器的測量信號(hào)為很小的毫伏級(jí)電勢信號(hào)，除流量信號(hào)外，還夾雜一些與流量無關(guān)的信號(hào)，如同相電壓、正交電壓及共模電壓等。為了準(zhǔn)確測量流量，必須消除各種干擾信號(hào)，有效放大流量信號(hào)。應(yīng)該提高流量轉(zhuǎn)換器的性能，比較好采用微處理機(jī)型的轉(zhuǎn)換器，用它來控制勵(lì)磁電壓，按被測流體性質(zhì)選擇勵(lì)磁方式和頻率，可以排除同相干擾和正交干擾。但改進(jìn)的儀表結(jié)構(gòu)復(fù)雜，成本較高。固定式超聲波流量計(jì)要求長時(shí)間接連運(yùn)轉(zhuǎn)，所以要運(yùn)用220V交流電源；液體渦輪流量計(jì)批發(fā)價(jià)格</p><p style="text-indent:25px">智能電磁流量計(jì)是一種流量儀表，因?yàn)樗歉鶕?jù)傳統(tǒng)的物理電磁感應(yīng)原理制成的，擁有著非常獨(dú)特的特點(diǎn)；上海金屬轉(zhuǎn)子流量計(jì)供貨商</p><p style="text-indent:25px">流動(dòng)本身的脈動(dòng)，如擬裝儀表位置的上游有往復(fù)泵或調(diào)節(jié)閥，或下游有大負(fù)荷變化等，應(yīng)改換測量位置或在管道系統(tǒng)予以補(bǔ)救改進(jìn)，如加裝緩沖罐;若是儀表自身的振蕩，如測量時(shí)氣體壓力過低，儀表上游閥門未全開，調(diào)節(jié)閥未裝在儀表下游等原因，應(yīng)針對性改進(jìn)克服，或改選用有阻尼裝置的儀表。5、轉(zhuǎn)子流量計(jì)要排盡液體用儀表內(nèi)氣體進(jìn)出口不在直線的角型金屬轉(zhuǎn)子流量計(jì)，用于液體時(shí)注意外傳浮子位移的引申套管內(nèi)是否殘留空氣，必須排盡;若液體含有微小氣泡流動(dòng)時(shí)極易積聚在套管內(nèi)，更應(yīng)定時(shí)排氣。這點(diǎn)對小口徑儀表更為重要，否則影響流量示值明顯。6、轉(zhuǎn)子流量計(jì)流量值應(yīng)作必要換算若非按使用密度、粘度等介質(zhì)參數(shù)向轉(zhuǎn)子流量計(jì)生產(chǎn)廠家專門訂制的儀表，液體用儀表通常以水標(biāo)定流量，氣體儀表用空氣標(biāo)定，定值在工程標(biāo)準(zhǔn)狀態(tài)。使用條件的流體密度、氣體壓力溫度與標(biāo)定不一致時(shí)，要做必要換算。換算公式和方法轉(zhuǎn)子流量計(jì)的制造廠使用說明書中都有詳述。上海金屬轉(zhuǎn)子流量計(jì)供貨商</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3000703.html</p></div></div></div></div></div><div id="9vjphrb" class="page-right twoColRt"><div id="xvfnfxf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bh9fndn" class="recomPic likePro"><a 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