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href="http://www.cdcfah.com/cp/third-wybez_yyb/">液位儀表</a>?江西熱式氣體質(zhì)量流量計哪家比較好推薦咨詢江蘇中徽測控儀表供應(yīng)</p><div id="84utuln" class="leftbox clearfix"><h1>江西熱式氣體質(zhì)量流量計哪家比較好推薦咨詢江蘇中徽測控儀表供應(yīng)</h1><div id="2frjbik" class="proBig"><div id="pghegip" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312838117031250/1384984.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="r3sjl3x" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312838117031250/1384984.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kwln7jb" 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>江西熱式氣體質(zhì)量流量計哪家比較好,流量計</p><p><span>***更新：</span>2020-09-02 16:16:10</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="v03ce7j" 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="dfwodp3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mxegn7f" class="box"><p><p> 孔板流量計 </p> <p> 工作原理：流體充滿管道，流經(jīng)管道內(nèi)的節(jié)流裝置時，流束會出現(xiàn)局部收縮，從而使流速增加，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(zhǔn)的。 </p> <p> 工作特點：①節(jié)流裝置結(jié)構(gòu)簡單、牢固，性能穩(wěn)定可靠，使用期限長，價格低廉;②應(yīng)用范圍廣，全部單相流皆可測量，江西熱式氣體質(zhì)量流量計哪家比較好，部分混相流亦可應(yīng)用;③標(biāo)準(zhǔn)型節(jié)流裝置無須實流校準(zhǔn)，江西熱式氣體質(zhì)量流量計哪家比較好，江西熱式氣體質(zhì)量流量計哪家比較好，即可投用;④ 一體型孔板安裝更簡單，無須引壓管，可直接接差壓變送器和壓力變送器。電磁流量計有一系列優(yōu)良特性,可以解決其它流量計不易應(yīng)用的問題,如臟污流、腐蝕流的測量。江西熱式氣體質(zhì)量流量計哪家比較好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西熱式氣體質(zhì)量流量計哪家比較好,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838117031250/1384984.png"></div><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(guān)，根據(jù)這種關(guān)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，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，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，量程比可達(dá)1：10;⑥壓力損失較小，運行費用低，更具節(jié)能意義。泰州液體渦輪流量計廠家智能電磁流量計在使用時我們要求被測介質(zhì)必須是地電位，一般都是通過管道或法蘭接地；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西熱式氣體質(zhì)量流量計哪家比較好,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838163466797/8432110.png"></div><p> 水平管道基本安裝方式對于水平管道，測量氣體時推薦安裝在管道上方160度范圍內(nèi)，尤其對于有大量水粉的氣體時，我們只推薦這樣安裝;測量液體時推薦安裝在管道下方160度范圍內(nèi)，尤其對于含有大量氣體的液體時，我們只推薦這樣安裝;但有一點要注意，對于那些極易氣化的液體，如液態(tài)的烯烴類介質(zhì)，安裝時插入方向同氣體，在管道上方。測量蒸汽時只推薦傳感器安裝在管道下方160度內(nèi)，并且要使傳感器處于整個測量裝置的比較高點。垂直管道基本安裝方式對于垂直管道，理論上可以在360度內(nèi)安裝。對于含有大量水分的濕氣體，推薦傳感器安裝時向上傾斜5度，如左圖所示。對于含有大量氣體的液體，推薦傳感器安裝時向下傾斜5度，如右圖所示。對于蒸汽，推薦傳感器安裝時下傾斜5度，如右圖，且傳感器應(yīng)該處于整個測量系統(tǒng)中的比較高點。威力巴安裝所需直管段小直管段要求—彎管后2D安裝如圖所示。當(dāng)管道上、下游的直管段不夠長時，我們推薦在彎管后2倍管道內(nèi)徑處安裝威力巴，因在彎管后的流體剖面較復(fù)雜，需將流體系數(shù)K做適當(dāng)?shù)恼{(diào)整。調(diào)整K系數(shù)后，測量精度為±3%。 </p><p> 超聲波流量計是基于超聲波在流動介質(zhì)中傳播的速度等于被測介質(zhì)的平均流速和聲波本身速度的幾何和的原理而設(shè)計的。它也是由測流速來反映流量大小的。超聲波流量計雖然在70年代才出現(xiàn)，但由于它可以制成非接觸型式，并可與超聲波水位計聯(lián)動進(jìn)行開口流量測量，對流體又不產(chǎn)生擾動和阻力，所以很受歡。 </p> <p> 超聲波流量計按測量原理分可分為時差式和多普勒式 </p> <p> 利用時差式原理制造的時差式超聲流量計近年來得到廣泛的關(guān)注和使用，是目前企事業(yè)使用多的一種超聲波流量計。 </p> <p> 利用多普勒效應(yīng)制造的超聲多普勒流量計多用于測量介質(zhì)有一定的懸浮顆?；驓馀萁橘|(zhì)，使用有一定的局限性，但卻解決了時差式超聲波流量計只能測量單一清澈流體的問題，也被認(rèn)為是非接觸測量雙相流的理想儀表。渦輪流量計在以下一些測量對象獲得廣泛應(yīng)用:石油、有機液體、無機液、液化氣、天然氣和低溫流；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西熱式氣體質(zhì)量流量計哪家比較好,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837371396484/5220548.png"></div><p> 污水流量計按計量原理分類： </p> <p> 1、流量計有節(jié)流式流量計、畢托管流量計、均速管流量計、轉(zhuǎn)子流量計、靶式流量計，這些流量計是利用伯努利方程原理，通過測量流體差壓信號反映流量; </p> <p> 2、流量計有渦輪流量計、渦街流量計、電磁流量計、多普勒超聲波流量計、熱線測速流量計，這些是通過測量流體流速來反映流量; </p> <p> 3、流量計有齒輪式流量計、刮板式流量計、旋轉(zhuǎn)活塞式流量計，這些是通過測量一個個標(biāo)準(zhǔn)體積的小容積來反映流量; </p> <p> 4、流量計有熱式質(zhì)量流量計、差壓式質(zhì)量流量計、葉輪式質(zhì)量流量計、哥力式質(zhì)量流量計、間接式質(zhì)量流量計，這些是通過測量流體質(zhì)量來反映流量; </p> <p> 5、流量計有堰槽式流量計，它是通過測量液位來反映流量。孔板流量計可以通過測量壓差來衡量流體流量的大小?；窗惨后w渦輪流量計銷售價格</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；江西熱式氣體質(zhì)量流量計哪家比較好</p><p> 容積式流量計容積式流量計,又稱定排量流量計,簡稱 PD流量計,在流量儀表中是精度比較高的一類。它利用機械測量元件把流體連續(xù)不斷地分割成單個已知的體積部分,根據(jù)測量室逐次重復(fù)地充滿和排放該體積部分流體的次數(shù)來測量流體體積總量。 </p> <p> 容積式流量計按其測量元件分類,可分為橢圓齒輪流量計、刮板流量計、雙轉(zhuǎn)子流量計、旋轉(zhuǎn)活塞流量計、往復(fù)活塞流量計、圓盤流量計、液封轉(zhuǎn)筒式流量計、濕式氣量計及膜式氣量計等。 </p> <p> 優(yōu)點: </p> <p> (1)計量精度高; </p> <p> (2)安裝管道條件對計量精度沒有影響; </p> <p> (3)可用于高粘度液體的測量; </p> <p> (4)范圍度寬; </p> <p> (5)直讀式儀表無需外部能源可直接獲得累計,總量,清晰明了,操作簡便。 </p> <p> 缺點: </p> <p> (1)結(jié)果復(fù)雜,體積龐大; </p> <p> (2)被測介質(zhì)種類、口徑、介質(zhì)工作狀態(tài)局限性較大; </p> <p> (3)不適用于高、低溫場合; </p> <p> (4)大部分儀表只適用于潔凈單相流體; </p> <p> (5)產(chǎn)生噪聲及振動。 </p> <p> 應(yīng)用概況: </p> <p> 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,常應(yīng)用于昂貴介質(zhì)(油品、天然氣等)的總量測量。江西熱式氣體質(zhì)量流量計哪家比較好</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)易型公司。公司業(yè)務(wù)涵蓋雷達(dá)料位計，雷達(dá)液位計，物位計，水位計等，價格合理，品質(zhì)有保證。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1129760.html</p></div></div></div></div></div><div id="uovs8n2" class="page-right twoColRt"><div id="rl8vnkr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="joldahe" class="recomPic likePro"><a href="http://www.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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="ynk3agi" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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