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#f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>上海電磁流量計廠,流量計</p><p><span>***更新：</span>2020-09-01 15:34:35</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="8lc87rj" 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="ts7kgyf" class="page-proshow02"><p class="title">詳細說明</p><div id="hwt8jbi" class="box"><p><p> 孔板流量計分類 </p> <p> 1、標準孔板標準孔板是一類規(guī)格多的標準節(jié)流裝置，廣泛應用于各種流體特別是氣體流量測量中，孔板的結構因壓力、通徑，上海電磁流量計廠、取壓方式的不同而不同，上海電磁流量計廠。 </p> <p> 2、標準孔板按常用取壓方式可分為角接取壓、法蘭取壓、徑距取壓三種類型。 </p> <p> 2、圓缺孔板 </p> <p> 取壓方式：法蘭取壓 </p> <p> 3，上海電磁流量計廠、偏心孔板 </p> <p> 取壓方式：角接取壓 </p> <p> 偏心孔板和圓缺孔板只適于安裝在水平或傾斜管道上，不能在垂直管道上使用。如被測流體中含有固體顆粒時，開口或缺口應置于下方；如液體中有氣體析出時，開口或缺口應置于上方；取壓口處在圓缺口或偏心開孔和管道相切點的對面。電磁流量計的應用有一定局限性，它只能測量導電介質的液體流量，不能測量非導電介質的流量；上海電磁流量計廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電磁流量計廠,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837114287109/5142774.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，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，再乘以橫截面積得到流量。 </p> <p> 工作特點：①結構簡單而牢固，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，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1：10;⑥壓力損失較小，運行費用低，更具節(jié)能意義。上海電磁流量計廠電磁流量計內(nèi)的測量電極處于一個直流或交流電場內(nèi)；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電磁流量計廠,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837209316406/2335595.png"></div><p> 測量流體流量的儀表統(tǒng)稱為流量計或流量表．流量計是工業(yè)測量中重要的儀表之一．隨著工業(yè)生產(chǎn)的發(fā)展，對流量測量的準確度和范圍的要求越來越高，流量測量技術日新月異．為了適應各種用途，各種類型的流量計相繼問世。目前已投入使用的流量計已超過 100 種。 </p> <p> 每種產(chǎn)品都有它特定的適用性,也都有它的局限性。按測量原理分有力學原理、熱學原理、聲學原理、電學原理、光學原理、原子物理學原理等。 </p> <p> 檢測件又可按其標準化程度分為二大類:標準的和非標準的。 </p> <p> 所謂標準檢測件是只要按照標準文件設計、制造、安裝和使用,無須經(jīng)實流標定即可確定其流量值和估算測量誤差。 </p> <p> <span style="font-size:12px;">非標準檢測件是成熟程度較差的,尚未列入國際標準中的檢測件。</span> </p><p style="text-indent:25px">熱電偶安裝時應放置在盡可能靠近所要測的溫度控制點。為防止熱量沿熱電偶傳走或防止保護管影響被測溫度，熱電偶應浸入所測流體之中，深度至少為直徑的10倍。當測量固體溫度時，熱電偶應當頂著該材料或與該材料緊密接觸。為了使導熱誤差減至小，應減小接點附近的溫度梯度。當用熱電偶測量管道中的氣體溫度時，如果管壁溫度明顯地較高或較低，則熱電偶將對之輻射或吸收熱量，從而顯著改變被測溫度。這時，可以用一輻射屏蔽罩來使其溫度接近氣體溫度，采用所謂的屏罩式熱電偶。選擇測溫點時應具有性，例如測量管道中流體溫度時，熱電偶的測量端應處于管道中流速比較大處。一般來說，熱電偶的保護套管末端應越過流速中心線。渦輪流量計在以下一些測量對象獲得廣泛應用: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="上海電磁流量計廠,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837080097656/8927762.png"></div><p> 流動本身的脈動，如擬裝儀表位置的上游有往復泵或調(diào)節(jié)閥，或下游有大負荷變化等，應改換測量位置或在管道系統(tǒng)予以補救改進，如加裝緩沖罐;若是儀表自身的振蕩，如測量時氣體壓力過低，儀表上游閥門未全開，調(diào)節(jié)閥未裝在儀表下游等原因，應針對性改進克服，或改選用有阻尼裝置的儀表。5、轉子流量計要排盡液體用儀表內(nèi)氣體進出口不在直線的角型金屬轉子流量計，用于液體時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時極易積聚在套管內(nèi)，更應定時排氣。這點對小口徑儀表更為重要，否則影響流量示值明顯。6、轉子流量計流量值應作必要換算若非按使用密度、粘度等介質參數(shù)向轉子流量計生產(chǎn)廠家專門訂制的儀表，液體用儀表通常以水標定流量，氣體儀表用空氣標定，定值在工程標準狀態(tài)。使用條件的流體密度、氣體壓力溫度與標定不一致時，要做必要換算。換算公式和方法轉子流量計的制造廠使用說明書中都有詳述。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；徐州電磁流量計哪家比較便宜</p><p style="text-indent:25px">智能電磁流量計是一種流量儀表，因為它是根據(jù)傳統(tǒng)的物理電磁感應原理制成的，擁有著非常獨特的特點；上海電磁流量計廠</p><p> 電磁流量計 </p> <p> 工作原理：基于法拉第電磁感應定律。在電磁流量計中，測量管內(nèi)的導電介質相當于法拉第試驗中的導電金屬桿，上下兩端的兩個電磁線圈產(chǎn)生恒定磁常當有導電介質流過時，則會產(chǎn)生感應電壓。管道內(nèi)部的兩個電極測量產(chǎn)生的感應電壓。測量管道通過不導電的內(nèi)襯(橡膠，特氟隆等)實現(xiàn)與流體和測量電極的電磁隔離。 </p> <p> 工作特點：①具有雙向測量系統(tǒng);② 傳感器所需的直管段較短，長度為5倍的管道直徑；③ 壓力損失??；④測量不受流體密度、粘度、溫度、壓力和電導率變化的影響；⑤主要應用于污水處理方面。上海電磁流量計廠</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，以科技創(chuàng)新實現(xiàn)***管理的追求。江蘇中徽測控儀表深耕行業(yè)多年，始終以客戶的需求為向導，為客戶提供***的雷達料位計，雷達液位計，物位計，水位計。江蘇中徽測控儀表繼續(xù)堅定不移地走高質量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關鍵領域，實現(xiàn)轉型再突破。江蘇中徽測控儀表始終關注自身，在風云變化的時代，對自身的建設毫不懈怠，高度的專注與執(zhí)著使江蘇中徽測控儀表在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1119336.html</p></div></div></div></div></div><div id="casxws8" class="page-right twoColRt"><div id="ix3hzw2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uyah7fx" 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="la27zme" class="recomPic likePro"><a 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