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style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>河北管道式渦旋流量計哪家好,流量計</p><p><span>***更新：</span>2020-12-18 03:14:13</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="ftqmtkt" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安倫騫電器設備有限責任公司</a></p><p><span>聯(lián)系人：</span>付海飛</p><p><span>郵箱: </span>xalunqian@163.com</p><p><span>電話: </span>13891837328</p><p><span>傳真: </span>138_</p><p><span>網址: </span>http://xalunqian.shop.88360.com</p><p><span>手機: </span>138-91837328</p><p><span>地址: </span>高新區(qū)發(fā)展大道25號軍民融合創(chuàng)新港</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="zjldulv" class="page-proshow02"><p class="title">詳細說明</p><div id="qpmolxo" class="box"><p><p> 智能型電磁流量計傳感器在工藝管道上的安裝：1.智能型電磁流量計測堵管在任何時刻必須完全注滿介質，不能在不滿管或空管的情況下正常工作。在介質不滿管時，可采用抬高流量計后端出水管高度的方法使介質滿管，避免不滿管及氣體附著在電極上。2.管道內有真空會損壞流量計的內襯，需特別注意。3.流動的正方向應與流量計上箭頭所指的正方向一致。4.智能型電磁流量計即可在直管道上安裝，也可以在水平或傾斜管道上安裝，但要求二電極的中心連線處于水平狀態(tài)。5.對于液、固兩相流體，zui好采用垂直安裝，使被測介質自上而xialiu動，可使流量計襯里磨損均勻，延長使用壽命。6，河北管道式渦旋流量計哪家好.流量計在管道法蘭附近確保有足夠的空間，以便安裝和維護，河北管道式渦旋流量計哪家好，河北管道式渦旋流量計哪家好。7.若測量管道有振動，在流量計的兩側應有固定的支座。8.測量介質為重污染液體的，在旁路管道安裝流量計本體，不中斷工藝運行，即可排空與清流。9.安裝聚四氟乙烯內襯的流量計時，連接法蘭的螺栓應注意均勻擰緊，否則容易壓壞聚四氟乙烯內襯，zui好用力矩扳手。分流型相對于全流型只有部分被測流體流過浮子等流量檢測部分。河北管道式渦旋流量計哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北管道式渦旋流量計哪家好,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520631328125/4056452.png"></div><p> 電磁流量計簡單說是由流量傳感器變送器組成的。電磁流量計的安裝要求是一定要安裝在管路的較低點或者管路的垂直段，但是一定是在滿管的情況下，對直管段要求是前5D后3D，這樣才能保證電磁流量計的使用和對精度的要求。 </p> <p> 電磁流量計的測量原理不依賴流量的特性，如果管路內有一定的湍流與漩渦產生在非測量區(qū)內（如：彎頭、切向限流或上游有半開的截止閥）則與測量無關。如果在測量區(qū)內有穩(wěn)態(tài)的渦流則會影響測量的穩(wěn)定性和測量的精度，這時則應采取一些措施以穩(wěn)定流速分布： </p> <p> 1. 增加前后直管段的長度;2. 采用一個流量穩(wěn)定器;3. 減少測量點的截面。河北管道式渦旋流量計哪家好流量測量的發(fā)展可追溯到古代的水利工程和城市供水系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北管道式渦旋流量計哪家好,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520071162109/9600659.png"></div><p> 對外部環(huán)境的要求:1．流量計應避免安裝在溫度變化很大或受到設備高溫輻射的場所，若必須安裝時，須有隔熱、通風的措施。2．流量計zui好安裝在室內，若必須安裝于室外，應避免雨水淋澆，積水受淹及太陽暴曬，須有防潮和防曬措施。3．流量計應避免安裝在含有腐蝕性氣體的環(huán)境中，必須安裝時，須有通風措施。4．為了安裝、維護、保養(yǎng)方便，在流量計周圍需有充裕的安裝空間。5．流量計安裝場所應避免有磁場及強振動源，如管道振動大，在流量計兩邊應有固定管道的支座。 </p><p style="text-indent:25px">渦街流量計是根據卡門（Karman）渦街原理研究生產的，主要用于工業(yè)管道介質流體的流量測量，如氣體、液體、蒸氣等多種介質。其特點是壓力損失小，量程范圍大，精度高，在測量工況體積流量時幾乎不受流體密度、壓力、溫度、粘度等參數(shù)的影響。無可動機械零件，因此可靠性高，維護量小。儀表參數(shù)能長期穩(wěn)定。渦街流量計采用壓電應力式傳感器,可靠性高，可在-20℃～+250℃的工作溫度范圍內工作。有模擬標準信號,也有數(shù)字脈沖信號輸出，容易與計算機等數(shù)字系統(tǒng)配套使用，是一種比較先進、理想的測量儀器。在工業(yè)現(xiàn)場，測量流體流量的儀表統(tǒng)稱為流量計或流量表。是工業(yè)測量中重要的儀表之一。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北管道式渦旋流量計哪家好,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519894707031/5463.png"></div><p> 超聲波液位計在日常工作中遇到故障該如何處理呢？ </p> <p> 1、為防止超聲波液位計信號線受動力線上強電壓、大電流、強電磁的干擾。信號線單獨走一趟穿線管，遠離動力線、照明線，分開布線； </p> <p> 2、做好信號屏蔽層，防止信號受干擾； </p> <p> 3、為防止信號線接觸不良，在信號線中間盡量不留接頭，接線端子壓接處不能有任何松動，不然接觸電阻會較大。有接頭的需要用烙鐵焊接信號線接頭，減少故障隱患； </p> <p> 4、為避免超聲波液位計信號線受潮，信號線走纜溝時，需架在支架上。信號線尤其接頭處受水浸泡發(fā)潮，會造成儀表信號紊亂； </p> <p> 5、調節(jié)超聲波液位計的換能器，表面垂直正對著所測液面，水平度控制在2°； </p> <p> 6、調好超聲波探頭和液面的距離。過遠時，探頭接收的信號太弱，無法和噪聲信號區(qū)分，過近時，進入探頭的盲區(qū)，則無法分辨。電磁流量計、超聲波流量計、渦街流量計利用電氣原理工作，從而避免了機械流量計工作中需要更換的運動機件。河北管道式渦旋流量計哪家好</p><p style="text-indent:25px">流量計量是計量科學技術的組成部分之一，它與國民經濟、**建設、科學研究有密切的關系。河北管道式渦旋流量計哪家好</p><p style="text-indent:25px">儀器儀表行業(yè)飛速發(fā)展一是因為我國的經濟高速穩(wěn)定發(fā)展的運行;按照過去的經驗，如果GDP的增長在10%以上時，儀表行業(yè)的增長率則在26%～30%之間。二是因為我國宏觀調控對儀表行業(yè)的影響有一個滯后期，儀表往往在工程的后期才交付使用，因此，因宏觀調控政策而減少的收入對儀表行業(yè)的影響不會太大。進一步提升我國儀器儀表技術和水平，私營有限責任公司企業(yè)要順應產業(yè)發(fā)展潮流，在穩(wěn)固常規(guī)品種的同時，進一步發(fā)展智能儀器儀表，提升產業(yè)數(shù)字化、智能化、集成化水平。雷達料位計，雷達物位計，壓力變送器，溫度變送器產業(yè)是國民經濟的基礎性、戰(zhàn)略性產業(yè)，是信息化和工業(yè)化深度融合的源頭，對促進工業(yè)轉型升級、發(fā)展戰(zhàn)略性新興產業(yè)、推動現(xiàn)代**建設、保證和提高大家生活水平具有重要作用。隨著中國的不斷進步，世界上只有一個救世主——市場，能救企業(yè)的只有你自己——自強，提高生產型重點競爭力才是中國制造業(yè)的獨一出路。以顯微科學儀器行業(yè)的發(fā)展與變化為例，以親身的實踐為例，毛磊認為，隨著經濟的不斷發(fā)展，我國的環(huán)境和實力都發(fā)生了巨大變化，有了完全不同的基礎，這為國產科學儀器走向**增強了信心。河北管道式渦旋流量計哪家好</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2449890.html</p></div></div></div></div></div><div id="uognkwy" 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