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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="igi8hts" class="twoCol"><div id="mv8ut4x" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</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>?浙江液體渦輪流量計哪家比較便宜真誠推薦江蘇中徽測控儀表供應</p><div id="no7yft3" class="leftbox clearfix"><h1>浙江液體渦輪流量計哪家比較便宜真誠推薦江蘇中徽測控儀表供應</h1><div id="hifuuau" class="proBig"><div id="veqxtk3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312837080097656/8927762.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cgizqxq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312837080097656/8927762.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="z888rdf" 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)品關鍵詞：</span>浙江液體渦輪流量計哪家比較便宜,流量計</p><p><span>***更新：</span>2020-09-26 05:21:41</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="n9hqm2c" 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="3vugxjq" class="page-proshow02"><p class="title">詳細說明</p><div id="wsoa8tg" class="box"><p><p> 渦街流量計 </p> <p> 工作原理：根據(jù)流體振蕩原理來測量流量的，流體在管道中經(jīng)過渦街流量變送器時，在三角柱的旋渦發(fā)生體后上下交替產(chǎn)生正比于流速的兩列旋渦，旋渦的釋放頻率與流過旋渦發(fā)生體的流體平均速度及旋渦發(fā)生體特征寬度有關，根據(jù)這種關系，旋渦頻率就可以計算出流過旋渦發(fā)生體的流體平均速度，浙江液體渦輪流量計哪家比較便宜，再乘以橫截面積得到流量。 </p> <p> 工作特點：①結(jié)構(gòu)簡單而牢固，無可動部件，浙江液體渦輪流量計哪家比較便宜，可靠性高，長期運行十分可靠;②安裝簡單，維護十分方便;③檢測傳感器不直接接觸被測介質(zhì)，性能穩(wěn)定，壽命長;④輸出是與流量成正比的脈沖信號，無零點漂移，精度高;⑤測量范圍寬，浙江液體渦輪流量計哪家比較便宜，量程比可達1：10;⑥壓力損失較小，運行費用低，更具節(jié)能意義。電磁流量計的安裝與調(diào)試比其它流量計復雜，且要求更嚴格。浙江液體渦輪流量計哪家比較便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江液體渦輪流量計哪家比較便宜,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837080097656/8927762.png"></div><p> 孔板流量計優(yōu)點： </p> <p> 標準節(jié)流件是全世界通用的，并得到了國際標準組織的認可，無需實流校準，即可投用，在流量計中亦是的。結(jié)構(gòu)易于復制，簡單、牢固、性能穩(wěn)定可靠、價格低廉；應用范圍廣，包括全部單相流體（液、氣、蒸汽）、部分混相流，一般生產(chǎn)過程的管徑、工作狀態(tài)(溫度、壓力)皆有產(chǎn)品。檢測件和差壓顯示儀表可分開不同廠家生產(chǎn)，便與專業(yè)化規(guī)模生產(chǎn)； </p> <p> 缺點： </p> <p> 測量的重復性、精確度在流量計中屬于中等水平，由于眾多因素的影響錯綜復雜，精確度難于提高。范圍度窄，由于流量系數(shù)與雷諾數(shù)有關,一般范圍度* 3∶1 ～ 4∶1。有較長的直管段長度要求，一般難于滿足。尤其對較大管徑，問題更加突出；壓力損失大；通常為維持一臺孔板流量計正常運行，水泵需要附加動力克服孔板的壓力損失。該附加耗電量可直接由鹽城電磁流量計生產(chǎn)廠家孔板流量計使流速增加，靜壓力低，于是在節(jié)流件前后便產(chǎn)生了壓力降，即壓差；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江液體渦輪流量計哪家比較便宜,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837225146484/5269614.png"></div><p> 熱式質(zhì)量流量計（恒溫差TMF） </p> <p> 優(yōu)點: </p> <p> （1）球閥安裝，安裝拆卸方便。并可以帶壓安裝。 </p> <p> （2）基于金氏定律，直接測量質(zhì)量流量。測量值不受壓力和溫度影響。 </p> <p> （3）響應迅速。 </p> <p> （4）量程范圍大，管道式安裝小可以測量8.8mm管道的流量，比較大可以測到30’’ </p> <p> （5）插入式類型的流量計，一支流量計可以用于測量多種管徑。 </p> <p> 缺點: </p> <p> （1）精度不及其他類型流量計，一般為3％。 </p> <p> （2）適用范圍窄，只能用于測量干燥的非性的氣體，如壓縮空氣、氮氣、氬氣及其他中性氣體。 </p><p> 孔板流量計使流速增加，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連續(xù)性定律為基準的。<span style="font-size:12px;">孔板流量計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，當它們流經(jīng)管道內(nèi)的節(jié)流裝置時，流束將在節(jié)流裝置的節(jié)流件處形成局部收縮.</span> 電磁流量計的應用有一定局限性，它只能測量導電介質(zhì)的液體流量，不能測量非導電介質(zhì)的流量；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江液體渦輪流量計哪家比較便宜,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837199179687/3462499.png"></div><p> 按流量計的結(jié)構(gòu)原理進行分類。有容積式流量計、差壓式流量計、浮子流量計、渦輪流量計、電磁流量計、流體振蕩流量計中的渦街流量計、質(zhì)量流量計和插入式流量計。 </p> <p> 按測量對象劃分就有封閉管道和明渠兩大類;按測量目的又可分為總量測量和流量測量,其儀表分別稱作總量表和流量計。總量表測量一段時間內(nèi)流過管道的流量,是以短暫時間內(nèi)流過的總量除以該時間的商來表示,實際上流量計通常亦備有累積流量裝置,做總量表使用,而總量表亦備有流量發(fā)訊裝置。因此, 以嚴格意義來分流量計和總量表已無實際意義。質(zhì)量流量計的測量管無論是向上還是向下安裝，都要盡量使測量管與地平面保持垂直或水平。安徽液體渦輪流量計哪家好</p><p style="text-indent:25px">流量計有堰槽式流量計，它是通過測量液位來反映流量。浙江液體渦輪流量計哪家比較便宜</p><p style="text-indent:25px">孔板流量計又稱為差壓式流量計，是由一次檢測件(節(jié)流件)和二次裝置(差壓變送器和流量顯示儀)組成，廣泛應用于氣體、蒸汽和液體的流量測量。具有結(jié)構(gòu)簡單，維修方便，性能穩(wěn)定，使用可靠等特點?？装骞?jié)流裝置是標準節(jié)流件可不需標定直接依照國家標準生產(chǎn)，1.國家標準GB2624-81<流量測量節(jié)流裝置的設計安裝和使用；2.國際標準ISO5167<國際標準組織規(guī)定的各種節(jié)流裝置；3.化工部標準GJ516-87-HK06。二、工作原理充滿管道的流體流經(jīng)管道內(nèi)的節(jié)流裝置，在節(jié)流件附近造成局部收縮，流速增加，在其上、下游兩側(cè)產(chǎn)生靜壓力差。在已知有關參數(shù)的條件下，根據(jù)流動連續(xù)性原理和伯努利方程可以推導出差壓與流量之間的關系而求得流量。浙江液體渦輪流量計哪家比較便宜</p><p style="text-indent:25px">江蘇中徽測控儀表有限公司致力于儀器儀表，是一家貿(mào)易型的公司。公司業(yè)務分為雷達料位計，雷達液位計，物位計，水位計等，目前不斷進行創(chuàng)新和服務改進，為客戶提供良好的產(chǎn)品和服務。公司秉持誠信為本的經(jīng)營理念，在儀器儀表深耕多年，以技術為先導，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造儀器儀表良好品牌。江蘇中徽測控儀表秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1426054.html</p></div></div></div></div></div><div id="yjk7da7" class="page-right twoColRt"><div id="2jwypwi" class="box01 margin10 clearfix"><h3><a 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