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clearfix"><h1>電磁流量計廠家推薦咨詢上海翼爾電子科技供應</h1><div id="uewtv3u" class="proBig"><div id="etqxugd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407039219306275/8910294.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gfcum27" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407039219306275/8910294.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="u3blxuw" 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>電磁流量計廠家,流量計</p><p><span>***更新：</span>2021-01-23 04:27:34</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="zoldfmj" 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="mqspwta" class="page-proshow02"><p class="title">詳細說明</p><div id="u3zm3lc" class="box"><p><p style="text-indent:25px">轉子流量計儀表安裝方向：大部分轉子流量計必須垂直安裝在無振動的管道上，不應有明顯的傾斜，流體自下而上流過儀表。轉子流量計中心線與鉛垂線間夾角一般不超過5度，高精度(1.5級以上)儀表θ≤20°。如果θ＝12°則會產(chǎn)生1％附加誤差。儀表無嚴格上游直管段長度要求，但也有制造廠要求(2-5)D長度的，實際上必要性不大，電磁流量計廠家。轉子流量計擴大范圍度的安裝：如果測量要求的流量范圍度寬，范圍度超過10時，可以在一臺儀表內(nèi)放兩只不同形狀和重量的浮子，小流量時取輕浮子讀數(shù)，電磁流量計廠家，電磁流量計廠家，浮子到頂部后取重浮子讀數(shù)，范圍度可擴大到50-100。在安裝和使用流量計的過程當中，應該要保持電纜接頭足夠的清潔和干燥并且做好防水防潮的措施。電磁流量計廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電磁流量計廠家,流量計" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407039219306275/8910294.png"></div><p style="text-indent:25px">差壓式流量計應用范圍特別廣。差壓式流量計在封閉管道的流量測量中各種對象都有應用。如流體方面：單相、混相、潔凈、臟污、粘性流等；工作狀態(tài)方面：常壓、高壓、真空、常溫、高溫、低溫等；管徑方面：從幾mm到幾m；流動條件方面：亞音速、音速、脈動流等。它在各工業(yè)部門的用量約占流量計全部用量的1/4~1/3。1、常用標準節(jié)流裝置（孔板）、（噴嘴）、（文丘利管）。2、常用非標準節(jié)流裝置有（雙重孔板）、（圓缺孔板）、（1/4圓噴嘴）和（文丘利噴嘴）。3、孔板常用取壓方法有（角接取壓）、（法蘭取壓），其它方法有（理論取壓）、（徑距取壓）和（管接取壓）。4、標準孔板法蘭取壓法，上下游取壓孔中心距孔板前后端面的間距均為（25.4±0.8）mm，也叫1英寸法蘭取壓。電磁流量計廠家流量計的安裝地點不能有大的振動源，并應要采取加固措施來穩(wěn)定儀表附近的管道。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電磁流量計廠家,流量計" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407039170761273/1129267.png"></div><p style="text-indent:25px">電磁流量計的傳感器結構簡單，測量管內(nèi)沒有可動部件，也沒有任何阻礙流體流動的節(jié)流部件。所以當流體通過流量計時不會引起任何附加的壓力損失，是流量計中運行能耗較低的流量儀表之一。、電磁流量計是一種體積流量測量儀表，在測量過程中，它不受被測介質的溫度、粘度、密度以電導率(在一定范圍)的影響。因此，電磁流量計只需經(jīng)水標定后，就可心用來測量其它導電性液體的流量。電磁流量計的輸出只與被測介質的平均流速成正比，而與對稱分布下的流動狀態(tài)(層流或湍流)無關。所以電磁流量計的量程范圍極寬，其測量范圍度可達10：1的可運行流量范圍。</p><p style="text-indent:25px">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?？装辶髁坑嫷陌惭b要求：1、孔板在安裝前應檢查節(jié)流裝置編號和尺寸是否符合管道安裝位置的要求。2、新裝管路系統(tǒng)，必須在管道沖洗和掃線后再進行孔板的安裝。3、注意孔板安裝方向“+”號應該向著流束。4、孔板中心應該和管道中心線相重合，同心度誤差不得超過0.015（1/β -1）的數(shù)值。5、孔板在管道中安裝時應保證其端面與管道軸線垂直、垂直度誤差不得超過±1°。6、夾緊孔板用的密封墊片（包括環(huán)室與法蘭、環(huán)室與孔板間），在夾緊后，不得突入管道內(nèi)壁。7、孔板安裝處必須嚴密，不允許有泄漏現(xiàn)象存在。因此，安裝工作必須在管道試壓前進行。超聲波流量計的安裝要避免安裝在管道系統(tǒng)的高點或帶有自由出口的豎直管道上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電磁流量計廠家,流量計" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407039112724165/332983.png"></div><p style="text-indent:25px">流量計伴熱辦法：1、蒸汽伴熱辦法，即運用管蒸汽暖氣保溫。冬天保溫送汽之前要查看一下蒸汽保溫管路是不是疏通或阻塞。較好的蒸汽是24小時通的，不要太熱，有時還要依據(jù)氣候溫度改動來調整供保溫汽量，以避免溫度太高使變送器引壓管內(nèi)冷凝液汽化影響變送器作業(yè)或因溫度太低使變送器引壓管內(nèi)冷凝液冷凍影響變送器作業(yè)疏通。2、電加熱帶辦法，電伴熱保溫技能是一種新式的由電能直接轉化為熱能的供暖技能。加裝保溫電纜，將伴熱帶，纏繞在外表上，或粘在外表柜內(nèi)部（但要留意所用伴熱帶的長度，要經(jīng)濟適度）。渦街流量計的性能可靠，使用壽命長。電磁流量計廠家</p><p style="text-indent:25px">渦街流量計的體積流量不受被測流體的溫度、壓力、密度或粘度等熱工參數(shù)的影響。電磁流量計廠家</p><p style="text-indent:25px">流量計在在實際使用過程中，檢查的周期較長，而且檢查的不夠全方面，一般對外交接流量計為半年標定一次，對內(nèi)標定的時間更長，這樣常常導致流量計管理脫節(jié)。因此應該設立專門的技術人員定期對各站流量計特別是對外交接的重要關口進行檢查。解決辦法：（1）在使用過程中，要對現(xiàn)場的環(huán)境進行改善，盡量使流量計運行時的工況與標定時的工況基本相一致。標定溫度與實際運行溫度差控制在正負五攝氏度以內(nèi)，超過這個范圍的話要進行溫度修正；流量計工作壓力高于標定壓力1.0MPa時，應進行壓力修正。（2）定期對流量計進行專業(yè)的維護和保養(yǎng)，確保流量計在較好的性能下工作，延長其使用壽命。（3）在流量計使用過程中，建立健全流量計相關資料，做好運行及保養(yǎng)記錄。（4）加強關于流量計基礎知識的培訓，對流量計結構、原理和使用方法進行普遍的培訓學習，以確保使用人員能夠熟練運用流量計，保證原油貿(mào)易的交接公平公正。電磁流量計廠家</p></p><br /><p>文章來源地址: 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