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src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142327474870/5073743.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kcq80w8" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>徐州水處理流量計(jì)批發(fā)廠家,流量計(jì)</p><p><span>***更新：</span>2021-01-03 04:11:44</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="0sugyos" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南儀測(cè)控技術(shù)(上海)有限公司</a></p><p><span>聯(lián)系人：</span>桂經(jīng)理</p><p><span>郵箱: </span>704766500@qq.com</p><p><span>電話: </span>17802114401</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>https://www.nanicontrol.com</p><p><span>手機(jī): </span>021-61559357</p><p><span>地址: </span>滬閔路1871號(hào)9甲幢4樓407室</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="cieqmcy" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="isiu2em" class="box"><p><p style="text-indent:25px">電磁流量計(jì)常見的錯(cuò)誤安裝方式有哪些？關(guān)于安裝方位：電磁流量計(jì)的安裝方位通常分為垂直安裝和水平安裝，適宜的方位可幫助避免氣體的累積和測(cè)量管內(nèi)的殘?jiān)娣e。1、垂直安裝：這種方位對(duì)易自排空管道系統(tǒng)很理想，并可不加空管檢測(cè)電極。2、水平安裝：測(cè)量電極平面必須水平，這樣可以防止由于夾帶的氣泡而產(chǎn)生的電極短時(shí)間絕緣。注意：空管檢測(cè)功能*當(dāng)測(cè)量裝置為水平安裝及變送器外殼向上時(shí)能正確工作。如果振動(dòng)非常劇烈，應(yīng)將傳感器和變送器分開安裝。3、基座，支撐：如果公稱直徑為DN≥350，在能忍受足夠負(fù)載的基座上安裝變送器。注意不允許利用外框承住傳感器的重量。這會(huì)使外框變形并破壞內(nèi)部勵(lì)磁線圈。如果可能，徐州水處理流量計(jì)批發(fā)廠家，安裝傳感器好避免例如閥門，三通，徐州水處理流量計(jì)批發(fā)廠家，徐州水處理流量計(jì)批發(fā)廠家，彎頭等組件。電磁流量計(jì)測(cè)量中，電解質(zhì)流體對(duì)金屬電極的電化學(xué)反應(yīng)會(huì)產(chǎn)生直流極化電壓。徐州水處理流量計(jì)批發(fā)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州水處理流量計(jì)批發(fā)廠家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142327474870/5073743.png"></div><p style="text-indent:25px">電磁流量計(jì)磁場(chǎng)邊緣效應(yīng)對(duì)測(cè)量有什么影響：若電磁流量計(jì)流動(dòng)是氣泡流或是塞狀流，故障是除了測(cè)量值與實(shí)際值不符合之外，還會(huì)因?yàn)闅庀嗨查g遮蓋了電極表面而出現(xiàn)的輸出晃動(dòng)。若是水平管道分層流中的流通面積氣相部分增大，就是液體未滿管程度增大，也是會(huì)出現(xiàn)有輸出晃動(dòng)。電磁流量計(jì)液體未滿管到液體表面在電極以下，是會(huì)出現(xiàn)輸出超滿渡的現(xiàn)象，流量計(jì)在使用過程中，會(huì)遇到流量轉(zhuǎn)換器顯示流量不穩(wěn)定，會(huì)有波動(dòng)情況。尤其是在電磁流量計(jì)管道存有散電流干擾時(shí)，只要有良好的接地保護(hù)，就能使電磁流量計(jì)準(zhǔn)確的測(cè)量，在不接地的情況下并不會(huì)影響到流量計(jì)準(zhǔn)確測(cè)量，但是一旦環(huán)境有所改變，就會(huì)造成流量計(jì)不能準(zhǔn)確穩(wěn)定的工作。所以在安裝時(shí)好是做好電磁流量計(jì)傳感器接地的保護(hù)，可以給電磁流量計(jì)創(chuàng)造出一個(gè)良好的工作環(huán)境。流量計(jì)在使用過程中，會(huì)遇到有轉(zhuǎn)換器顯示流量不穩(wěn)定，有波動(dòng)的現(xiàn)象，在其管道存散電流干擾時(shí)，只要能良好的接地保護(hù)，就能使電磁流量計(jì)測(cè)量的準(zhǔn)確性。徐州水處理流量計(jì)批發(fā)廠家流量上限值：流量計(jì)能按規(guī)定精確度測(cè)量的大流量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州水處理流量計(jì)批發(fā)廠家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142352865915/7487119.png"></div><p style="text-indent:25px">電磁流量計(jì)電極四氟襯里加工工藝方法：電磁流量計(jì)測(cè)量中，電解質(zhì)流動(dòng)體對(duì)金屬電極的電化學(xué)反應(yīng)會(huì)產(chǎn)生直流動(dòng)極化電壓。這種與流動(dòng)速無關(guān)的電壓被稱為流動(dòng)體噪聲。流動(dòng)體噪聲一直是電磁流量計(jì)要解決的重要技術(shù)問題之一,從1832年法拉第*次應(yīng)用地磁場(chǎng)和電磁感應(yīng)方法測(cè)量泰晤士河流動(dòng)速，到現(xiàn)在人們普遍地應(yīng)用電磁流量計(jì)測(cè)量導(dǎo)電液體流量，電磁流量計(jì)的流動(dòng)體噪聲問題一直是一個(gè)困擾。尤其在進(jìn)入低頻矩形波勵(lì)磁時(shí)代以來，流動(dòng)體噪聲的影響表現(xiàn)得更為突出。往往有些新裝配的流量計(jì)受電極極化的影響，輸出擺動(dòng)需要經(jīng)過長時(shí)間在水中浸泡才能消除。流動(dòng)體噪聲的較大小直接影響到流量計(jì)測(cè)量的靈敏度、線性度和穩(wěn)定性，因此如何深入研究流動(dòng)體噪聲，探尋其產(chǎn)生的原因，找到降低流動(dòng)體噪聲的方法，提高傳感器信噪比，特別是對(duì)微弱勵(lì)磁電流動(dòng)（電磁水表、兩線制電磁流量計(jì)）的發(fā)展和低流動(dòng)速（0.1m/s以較）及高流動(dòng)速（15m/s以上）流量測(cè)量范圍的擴(kuò)展具有重較大意義。</p><p style="text-indent:25px">造成電磁流量計(jì)誤差的主要影響因素，待測(cè)液體影響1、測(cè)量液體呈現(xiàn)不對(duì)稱狀態(tài)：測(cè)量中，待測(cè)液體存在非對(duì)稱情況，主要存在兩種流動(dòng)組合：一種為單一的漩渦流；另一種是沿管線軸線的直線流，液體的體積流量為管道截面的積分。針對(duì)上游直管段不足的情況，可采用流量調(diào)節(jié)器進(jìn)行調(diào)整；其次，保證上下游合理范圍內(nèi)管道內(nèi)徑與流量計(jì)內(nèi)徑具有相同的數(shù)值；再次，為上游留夠充足的直管段。2、測(cè)量管內(nèi)存在著層：電磁流量計(jì)常用于測(cè)量非清潔流體。非清潔流體內(nèi)部含有一些沉淀物等物質(zhì)，使得電磁流量計(jì)電極表面或管道內(nèi)受到污染，造成測(cè)量結(jié)果誤差現(xiàn)象。針對(duì)這種情況，首先，定期清洗電磁流量計(jì)；其次，合理提升流速，將其控制在4m/s狀態(tài)；再次，應(yīng)用聚四氯乙烯等材料的襯里。流通面積：流盤計(jì)錐管內(nèi)徑與浮子工作直徑之間的有效環(huán)隙橫截面積。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州水處理流量計(jì)批發(fā)廠家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637400142302835889/3702973.png"></div><p style="text-indent:25px">電磁流量計(jì)和超聲波流量計(jì)的主要區(qū)別，安裝、維護(hù)、檢定成本不同：超聲波流量計(jì)適用于較大型圓形管道和矩形管道，且原理上不受管徑限制，其造價(jià)基本上與管徑無關(guān)。對(duì)于較大型管道不*帶來方便，可認(rèn)為在無法實(shí)現(xiàn)實(shí)流動(dòng)校驗(yàn)的情況較是優(yōu)先考慮的選擇方案。超聲流量計(jì)可作非接觸測(cè)量。夾裝式換能器超聲流量計(jì)可無需停流動(dòng)截管安裝，只要在既設(shè)管道外部安裝換能器即可。這是超聲流量計(jì)在工業(yè)用流量儀表中具有的獨(dú)特優(yōu)點(diǎn)，因此可作移動(dòng)性(即非定點(diǎn)固定安裝)測(cè)量，適用于管網(wǎng)流動(dòng)動(dòng)狀況評(píng)估測(cè)定超聲流量計(jì)為無流動(dòng)動(dòng)阻撓測(cè)量，無額外壓力損失。電磁流量計(jì)使用中的常見故障，有的是由于儀表本身元器件損壞引起的故障。寧波音叉式流量計(jì)</p><p style="text-indent:25px">流量計(jì)聚四氟乙烯PTFE襯里具有優(yōu)良的耐熱耐酸堿性能，表面光滑，不易粘著。徐州水處理流量計(jì)批發(fā)廠家</p><p style="text-indent:25px">電磁流量計(jì)在造紙企業(yè)中的應(yīng)用：備料過程中電極的選擇：備料工段主要任務(wù)是將不同的原料制成漿料。電磁流量計(jì)在制漿過程中主要是參與對(duì)打磨漿、水和酸或堿的流量測(cè)量。一般經(jīng)過機(jī)械打磨后漿料的溫度要達(dá)到80℃。當(dāng)以木材或草料等材料作為原料制漿時(shí)往往還要經(jīng)過蒸煮工藝。由于蒸煮液為堿如Ca(OH)2或Na0H溶液，漿液均呈堿性，所以電磁流量計(jì)多采用耐高溫的聚四氟乙烯襯里和分體型的結(jié)構(gòu)式。在電極材料的選擇上要考慮選耐腐蝕性強(qiáng)的材質(zhì)。堿性漿料一般選用哈氏合Hc、鈦材Ti等材質(zhì)，選用鉭電極；而如果測(cè)量酸性漿液時(shí)，要求不一的話也可選耐酸鋼316SS。通常國內(nèi)也有不少企業(yè)采用廢紙制漿，即將廢紙打漿后再進(jìn)行洗滌漂白處理，這里電磁流量計(jì)主要用于測(cè)量參與打漿后的加水流量。水較大多為附近的江河水稍加處理后就參與運(yùn)行，所以水質(zhì)較差，但沒有腐蝕性，電磁流量計(jì)采用常規(guī)的橡膠襯里和不銹鋼電極即可；而對(duì)參與脫墨過程的脫墨劑測(cè)量時(shí)，電磁流量計(jì)的電極和襯里的選擇就要慎重。以典型的35噸規(guī)模紙廠為例，備料過程中的電磁流量計(jì)使用數(shù)量較高多，較大致在50-60套之間。徐州水處理流量計(jì)批發(fā)廠家</p><p style="text-indent:25px">南儀測(cè)控技術(shù)(上海)有限公司是一家一般項(xiàng)目:從事測(cè)控科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)，傳感器、儀器儀表、機(jī)電設(shè)備的生產(chǎn)、加工、組裝、銷售，機(jī)電設(shè)備的安裝及維修，傳感器配件、儀表配件、電子元器件、汽車配件、電腦軟硬件、辦公設(shè)備、塑料制品、不銹鋼制品、蓄電池(除危險(xiǎn)品)、建筑裝潢材料的銷售，自有設(shè)備租賃，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)。(除依法須經(jīng)批準(zhǔn)的項(xiàng)目外，憑營業(yè)執(zhí)照依法自主開展經(jīng)營活動(dòng))的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。南儀測(cè)控技術(shù)深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的壓力變送器，溫度傳感器，液位計(jì)，流量計(jì)。南儀測(cè)控技術(shù)始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。南儀測(cè)控技術(shù)創(chuàng)始人謝成艷，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2680487.html</p></div></div></div></div></div><div id="e8kugi2" class="page-right twoColRt"><div id="8miwyii" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mw0kssw" class="recomPic likePro"><a 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