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href="http://www.cdcfah.com/cp/third-llyb_liuliangji/">流量計</a>?齒輪流量計購買鑄造輝煌上海翼爾電子科技供應</p><div id="oikmy9s" class="leftbox clearfix"><h1>齒輪流量計購買鑄造輝煌上海翼爾電子科技供應</h1><div id="3xel88f" class="proBig"><div id="bv8myne" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407039025526743/650853.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gk27d32" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407039025526743/650853.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vutaudk" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>齒輪流量計購買,流量計</p><p><span>***更新：</span>2020-11-25 07:22:41</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="tiacj5e" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海翼爾電子科技有限公司</a></p><p><span>聯(lián)系人：</span>趙“S</p><p><span>郵箱: </span>yeertec@163.com</p><p><span>電話: </span>13361991561</p><p><span>傳真: </span>021_57155131</p><p><span>網(wǎng)址: </span>http://www.yeer-tec.com</p><p><span>手機: </span>021-57488360</p><p><span>地址: </span>海灣旅游區(qū)莘奉公路4960號110室</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="blspw42" class="page-proshow02"><p class="title">詳細說明</p><div id="icjqi9j" class="box"><p><p style="text-indent:25px">液體流量計傳動部分：分干磨擦部分及潤滑部分，齒輪流量計購買，干磨擦部分又有氣浮軸承及無牙絲桿傳動機構之區(qū)分。干磨擦部分保養(yǎng)步驟： 1.先用干細棉布或擦拭紙擦拭磨擦表面，以擦拭其灰塵或油污等。 2.也可使用吹氣壺，將灰塵吹掉。 3.必要時，可再用干凈細干棉布沾上工業(yè)用酒精或潤滑油，擦拭磨擦表面。液體流量計潤滑部分保養(yǎng)步驟： 1，齒輪流量計購買.先用細棉布將灰塵擦拭干凈。 2. 液體流量計潤滑部分再加入潤滑機油、或由黃油加入。流量計的保養(yǎng)問題：1，齒輪流量計購買、經(jīng)常觀察傳感器電源電纜和傳輸電纜（或導線）有無破損、老化現(xiàn)象，保護好電纜外面的橡膠護套。2、定期（一般為半年）用軟不擦洗電極表面，掃除污垢或沉積物。3、掃除傳感器上游直渠段內的雜物。流量計要盡量避開鐵磁性物體及具有強電磁場的設備。齒輪流量計購買</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="齒輪流量計購買,流量計" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407039025526743/650853.png"></div><p style="text-indent:25px">浮子流量計，又稱轉子流量計、金屬轉子流量計，是變面積式流量計的一種。在一根由下向上擴大的垂直錐管中，圓形橫截面的浮子的重力是由液體動力承受的，從而使浮子可以在錐管內自由地上升和下降。浮子流量計是僅次于差壓式流量計應用范圍寬廣的一類流量計，特別在小、微流量方面有舉足輕重的作用。特點：（1）玻璃錐管浮子流量計結構簡單，使用方便，耐壓力比較低，有玻璃管易碎的較大風險；（2）適用于小管徑和低流速；（3）壓力損失較低。齒輪流量計購買流量計可以水平和垂直安裝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="齒輪流量計購買,流量計" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407039059892174/3043846.png"></div><p style="text-indent:25px">孔板流量計在天然氣計量中的誤差原因分析：1 節(jié)流裝置，1.1孔板制造及安裝，采用孔板流量計時，對孔板加工的技術要求十分嚴格，必須符合國家標準或部頒標準中的規(guī)定，否則，會給天然氣流量測量結果帶來誤差。（1）孔板偏心：實驗表明，孔板偏心引起的計量誤差一般在2%以內，孔徑比β值愈高，偏心率影響愈大，所以，應避免采用β值高的孔板。（2）孔板彎曲：由于安裝或維修不當，使孔板發(fā)生彎曲或變形，導致流量測量誤差較大。在法蘭取壓的孔板上進行測試結果，孔板彎曲產(chǎn)生的大的誤差約為3.5%。（3）節(jié)流裝置內突出物：節(jié)流裝置中伸入管內的墊片、焊縫等也會使流量測量產(chǎn)生一定的誤差，誤差大小與突出物的位置、孔板與突出物的距離以及突出高度有關。試驗證明，當β=0.7，突出物**于孔板上游2倍管徑處時，產(chǎn)生的誤差大的；若突出物位于上游孔板處，誤差為16%～50%，若將突出物位于孔板下游時，對計量準確度的影響要小些。</p><p style="text-indent:25px">孔板流量計保證測量精度的措施：1，孔板流量計進行逐臺標定。大家都知道，標準孔板只要設計制造參照相關標準，不需要實流標定就可以直接使用。因為流出系數(shù)可以直接由軟件算出，但是計算機計算畢竟的比較理想的，和現(xiàn)場環(huán)境還是有一定差別的，所以，為了保證測量精度，建議對每臺流量計進行實流標定，把標定出的流出系數(shù)和計算結果進行比對，算出差值，進行修正。2，雷諾數(shù)修正，孔板流量計的流量系數(shù)和雷諾數(shù)之間有確定的關系，當質量流量變化時，雷諾數(shù)成正比變化，因而引起流量系數(shù)的變化。3,溫度對孔板流量計的影響及其修正，流體溫度變化引起密度的變化，從而導致差壓和流量之間的關系變化，其次，溫度變化引起管道內徑，孔板開孔的變化，對溫度變化的修正，就是采取溫度儀表測量現(xiàn)場溫度進而輸入到二次儀表中來修正溫度變化而導致的誤差。4，可膨脹性校正?？装辶髁坑嫓y量蒸汽，氣體流量時，必須進行流體的可膨脹性校正，具體校正系數(shù)可以參照節(jié)流裝置設計手冊。5，蒸汽質量流量的計算，孔板流量計測量蒸汽時，先由差壓信號求得流量值，再由蒸汽溫度，壓力值查表得出密度，來計算蒸汽流量質量。超聲波流量計的測量范圍大，管徑范圍從20mm～5m。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="齒輪流量計購買,流量計" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407039170761273/1129267.png"></div><p style="text-indent:25px">液體流量計鏡面擦拭步驟： 1.先用拭鏡紙輕輕擦拭鏡面表面，勿用力以免傷及鏡面。 2.再用棉花棒沾工業(yè)用酒精，輕輕擦拭鏡面表面，并需等酒精揮發(fā)后，再裝回去。 3.鏡面擦拭可區(qū)分成校正玻璃片及鏡頭內透鏡組，由于灰塵粒子會造成成像的黑點，鏡面擦拭至為重要，裝置后需重新借著影像觀察擦拭結果。液體流量計花崗巖表面擦拭步驟： 1.先用干細棉布或擦拭紙擦拭花崗巖表面，以擦拭其灰塵或測量后機件遺留的油污等。 2.再用干凈細干棉布沾上工業(yè)用酒精，擦拭花崗巖外表面，酒精具揮發(fā)性會自然蒸發(fā)。 3.必要時，可使用花崗巖**保養(yǎng)油再擦拭。流量計按介質分類：液體流量計和氣體流量計。齒輪流量計購買</p><p style="text-indent:25px">超聲波流量計不會改變流體的流動狀態(tài)，不會產(chǎn)生壓力損失，且便于安裝。齒輪流量計購買</p><p style="text-indent:25px">由于在重大工程、工業(yè)裝備和質量保證、基礎科研中，儀器儀表都是必不可少的基礎技術和裝備重點，除傳統(tǒng)領域的需求外，新興的智能制造、離散自動化、生命科學、新能源、海洋工程、軌道交通等領域也會產(chǎn)生巨大需求。中國的新型工業(yè)化進程，信息化和工業(yè)化融合的進一步加深，帶動各個工業(yè)領域對于流量，壓力，溫度，物液位等產(chǎn)品的需求。儀器儀表應用領域寬泛，覆蓋了電子科技領域內的技術開發(fā)、技術咨詢、技術服務、技術轉讓，電工設備，電氣設備、儀器儀表，電器設備，五金標準件，五金交電，電線電纜，金屬制品，機械設備的批發(fā)、零售，儀器儀表及機電設備的加工（限分支機構經(jīng)營）。等各方面，在國民經(jīng)濟建設各行各業(yè)的運行過程中承擔著把關者和指導者的任務，儀器儀表制造行業(yè)可以分為通用儀表儀器制造、**儀器儀表制造、鐘表與計時儀器制造、光學儀器制造和衡器制造。從銷售廣義角度來說，儀器儀表也可具有自動操控、報警、信號傳遞和數(shù)據(jù)處理等功能，例如用于工業(yè)生產(chǎn)過程自動操控中的氣動調節(jié)儀表，和電動調節(jié)儀表，以及集散型儀表操控系統(tǒng)也皆屬于儀器儀表。齒輪流量計購買</p><p style="text-indent:25px">上海翼爾電子科技有限公司致力于儀器儀表，是一家生產(chǎn)型公司。上海翼爾電子致力于為客戶提供良好的流量，壓力，溫度，物液位，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事儀器儀表多年，有著創(chuàng)新的設計、強大的技術，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。上海翼爾電子秉承“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/2137065.html</p></div></div></div></div></div><div id="xr74ga3" class="page-right twoColRt"><div id="e32opoa" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jv7oap2" 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" 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</p></a></div><div id="7ev8z8m" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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