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clearfix"><h1>金屬管浮子流量計(jì)型號(hào) **** 西安倫騫電器設(shè)備供應(yīng)</h1><div id="i9do3hz" class="proBig"><div id="syjajua" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520922431641/5725344.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8g3qxof" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520922431641/5725344.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hu8kbx3" 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>陜西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>金屬管浮子流量計(jì)型號(hào),流量計(jì)</p><p><span>***更新：</span>2020-11-04 09:29:00</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="kvrcy82" 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(shè)備有限責(zé)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(wǎng)址: </span>http://xalunqian.shop.88360.com</p><p><span>手機(jī): </span>138-91837328</p><p><span>地址: </span>高新區(qū)發(fā)展大道25號(hào)軍民融合創(chuàng)新港</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="s3wxyfd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="32nyp8v" class="box"><p><p> 電磁流量計(jì)廣應(yīng)用于污水，氟化工，生產(chǎn)用水，自來水行業(yè)以及醫(yī)藥，鋼鐵等等諸多方面。由于原理決定了它只能測導(dǎo)電液體。雖說它在可靠性和穩(wěn)定性方面都比其它種類的流量計(jì)要好許多，但客戶在實(shí)際使用過程中，還是會(huì)發(fā)生一些問題，下面我就電磁流量計(jì)在選型和安裝上詳細(xì)說一下：一，和其它流量計(jì)一樣，雖然電磁流量計(jì)它的測量范圍比是30：1，比渦街流量計(jì)和差壓式流量計(jì)都要高，但也是有限制的，許多客戶定表時(shí)，常常把它和水表相比較，以為可以測量很低的流速，一般情況下，金屬管浮子流量計(jì)型號(hào)，它只能測。所以定貨初期對(duì)流量范圍比要搞清楚。定貨時(shí)不能按原先管道口徑來定貨，比較好按你實(shí)際流量來定儀表口徑。二，和其它流量計(jì)一樣，電磁流量計(jì)對(duì)安裝前后直管道也有要求，只不過比其它類流量計(jì)要求更低，但關(guān)健一點(diǎn)要滿足：就是滿管，再滿管。不滿管的情況下容易引起流量計(jì)亂跳：三，和其它流量計(jì)一樣，電磁流量計(jì)也有防護(hù)等級(jí)，一般一體式的防護(hù)等級(jí)為IP65，分體式的為IP68(針對(duì)傳感器而言)，如果客戶對(duì)儀表安裝環(huán)境有要求，安裝地點(diǎn)在地下陰井或其它一些潮濕的地方，建議客戶選用分體式的，金屬管浮子流量計(jì)型號(hào)。以免選錯(cuò)對(duì)儀表造成損害。隨著工業(yè)的發(fā)展，對(duì)流量測量的準(zhǔn)確度和范圍要求越來越高，金屬管浮子流量計(jì)型號(hào)，為了適應(yīng)多種用途，各種類型的流量計(jì)相繼問世。金屬管浮子流量計(jì)型號(hào)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金屬管浮子流量計(jì)型號(hào),流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520922431641/5725344.png"></div><p> 電磁流量計(jì)內(nèi)襯材料正確選用方法： </p> <p> 應(yīng)根據(jù)被測介質(zhì)的腐蝕性，磨損性和溫度來選擇內(nèi)襯材料： </p> <p> 一、天然橡膠（軟橡膠）：1、較好的彈性，耐磨性和扯斷力；2、耐一般的弱酸、弱堿的腐蝕；3、測水、污水。 </p> <p> 二、耐酸橡膠（硬橡膠）：可耐常溫下的鹽酸、醋酸、草酸、氨水、磷酸及50%的硫酸、氫氧化鈉、氫氧化鉀的腐蝕，但不耐強(qiáng)氧化劑的腐蝕；可測一般的酸、堿、鹽溶液。 </p> <p> 三、氯丁橡膠（Neoprene）：1、極好的彈性，高度的扯斷力，耐磨性能好；2、耐一般低濃度的酸堿、鹽溶液的腐蝕，但不耐氧化性介質(zhì)的腐蝕，且溫度要求<80℃；可測水、污水、泥漿和礦漿。 </p> <p> 四、聚胺脂橡膠（Polyurethane）：1、極好的耐磨性能；2、耐酸、堿性能差，溫度要求<40℃；測中性強(qiáng)磨損的煤漿、泥漿和礦漿。 </p> <p> 五、聚四氟乙烯（PTFE）：1、耐沸騰的鹽酸、硫酸、硝酸、王水、濃堿和各種有機(jī)溶劑；2、耐磨性能好，粘接性能差，溫度要求-80～+180℃；測濃度、濃堿強(qiáng)腐蝕性溶液及衛(wèi)生類介質(zhì)。超聲流量計(jì)浮子流量計(jì)有較寬的流量范圍度，一般為10：1，低為5：1，高為25：1。流量檢測元件的輸出接近于線性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金屬管浮子流量計(jì)型號(hào),流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520330341797/7183549.png"></div><p> 當(dāng)超聲波在不均勻流體中傳送時(shí)，聲波會(huì)產(chǎn)生散射。流超聲流量計(jì)體與發(fā)送器間有相對(duì)運(yùn)動(dòng)時(shí)，發(fā)送的聲波信號(hào)和被流體散射后接收到的信號(hào)之間會(huì)產(chǎn)生多普勒頻移。多普勒頻移與流體流速成正比。被測流體的區(qū)域位于發(fā)射波束與接收到的散射波束的交叉之處。要求波束很窄，使兩波束的夾角θ不致受到波束寬度影響。也可只采用一個(gè)變換器既作為發(fā)送器又作為jieshouqi，這種方式稱為單通道式。在單通道多普勒血液流量計(jì)中，發(fā)送器間隔地發(fā)送聲脈沖信號(hào)，在兩個(gè)聲脈沖間隔的時(shí)間中，接收從血管壁和血管內(nèi)紅血球反射回來的聲脈沖信號(hào)。采用控制線路選擇給定距離處的紅血球反射信號(hào),通過比較后得到多普勒頻移,它與血液流速成正比。在已知血管橫截面時(shí)可得到血液流量。 </p><p> 超聲波液位計(jì)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(jì)信號(hào)線受動(dòng)力線上強(qiáng)電壓、大電流、強(qiáng)電磁的干擾。信號(hào)線單獨(dú)走一趟穿線管，遠(yuǎn)離動(dòng)力線、照明線，分開布線； </p> <p> 2、做好信號(hào)屏蔽層，防止信號(hào)受干擾； </p> <p> 3、為防止信號(hào)線接觸不良，在信號(hào)線中間盡量不留接頭，接線端子壓接處不能有任何松動(dòng)，不然接觸電阻會(huì)較大。有接頭的需要用烙鐵焊接信號(hào)線接頭，減少故障隱患； </p> <p> 4、為避免超聲波液位計(jì)信號(hào)線受潮，信號(hào)線走纜溝時(shí)，需架在支架上。信號(hào)線尤其接頭處受水浸泡發(fā)潮，會(huì)造成儀表信號(hào)紊亂； </p> <p> 5、調(diào)節(jié)超聲波液位計(jì)的換能器，表面垂直正對(duì)著所測液面，水平度控制在2°； </p> <p> 6、調(diào)好超聲波探頭和液面的距離。過遠(yuǎn)時(shí)，探頭接收的信號(hào)太弱，無法和噪聲信號(hào)區(qū)分，過近時(shí)，進(jìn)入探頭的盲區(qū)，則無法分辨。有些透明管浮子流量計(jì)以就地指示為主，裝有接近開關(guān)，作流量上下限報(bào)警信號(hào)輸出。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金屬管浮子流量計(jì)型號(hào),流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520569794922/6545301.png"></div><p> 1. 低維護(hù)量-市場上大多數(shù)的渦街流量計(jì)是采用取壓孔或插入式檢測元件感應(yīng)漩渦，一旦介質(zhì)中雜質(zhì)嵌入取壓孔或感應(yīng)元件與表體間的縫隙，則造成信號(hào)變?nèi)趸虿环€(wěn)定。良好的設(shè)計(jì)應(yīng)該是沒有容易堵塞的部分，從而降低維護(hù)量。 </p> <p> 2. 感應(yīng)元件在線更換-某些廠家的感應(yīng)元件與渦街發(fā)生體合二為一，看似簡單的設(shè)計(jì)卻給實(shí)際使用帶來不便。因?yàn)橐坏└袘?yīng)部分失效，則需要將管道內(nèi)介質(zhì)排空泄壓后更換部件，影響生產(chǎn)。完善的設(shè)計(jì)應(yīng)該是將二者分開，這樣就可以單獨(dú)更換感應(yīng)部分，而無需將介質(zhì)排空。 </p> <p> 3. 渦街流量計(jì)容易受到振動(dòng)的干擾，設(shè)計(jì)精良的渦街流量計(jì)可以通過硬件和數(shù)字信號(hào)處理將干擾排除，從而得到穩(wěn)定的信號(hào)。 </p> <p> 4. 渦街流量計(jì)安裝的一麻煩是前后需要很長的直管段，有些廠家可以提供在流量計(jì)內(nèi)部縮徑的設(shè)計(jì)，降低了用戶專門維渦街流量計(jì)配備直管段的需求。流量計(jì)在國民經(jīng)濟(jì)中的地位與作用更加明顯。新疆渦街流量計(jì)特點(diǎn)</p><p style="text-indent:25px">大量的投資被用于提升工廠的自動(dòng)化水平和現(xiàn)場數(shù)據(jù)的采集和實(shí)時(shí)監(jiān)控，以提升工廠的過程控制效率。金屬管浮子流量計(jì)型號(hào)</p><p> 電磁流量計(jì)的結(jié)構(gòu)主要由磁路系統(tǒng)、測量導(dǎo)管、電極、外殼、襯里和轉(zhuǎn)換器等部分組成。 </p> <p> 電極：其作用是引出和被測量成正比的感應(yīng)電勢信號(hào)。電極一般用非導(dǎo)磁的不銹鋼制成，且被要求與襯里齊平，以便流體通過時(shí)不受阻礙。它的安裝位置宜在管道的垂直方向，以防止沉淀物堆積在其上面而影響測量精度。 </p> <p> 外殼：應(yīng)用鐵磁材料制成，是分配制度勵(lì)磁線圈的外罩，并隔離外磁場的干擾。 </p> <p> 襯里：在測量導(dǎo)管的內(nèi)側(cè)及法蘭密封面上，有一層完整的電絕緣襯里。它直接接觸被測液體，其作用是增加測量導(dǎo)管的耐腐蝕性，防止感應(yīng)電勢被金屬測量導(dǎo)管管壁短路。襯里材料多為耐腐蝕、耐高溫、耐磨的聚四氟乙烯塑料、陶瓷等。 </p> <p> 轉(zhuǎn)換器：由液體流動(dòng)產(chǎn)生的感應(yīng)電勢信號(hào)十分微弱，受各種干擾因素的影響很大，轉(zhuǎn)換器的作用就是將感應(yīng)電勢信號(hào)放大并轉(zhuǎn)換成統(tǒng)一的標(biāo)準(zhǔn)信號(hào)并yizhi主要的干擾信號(hào)。其任務(wù)是把電極檢測到的感應(yīng)電勢信號(hào)Ex經(jīng)放大轉(zhuǎn)換成統(tǒng)一的標(biāo)準(zhǔn)直流信號(hào)。金屬管浮子流量計(jì)型號(hào)</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司致力于儀器儀表，是一家生產(chǎn)型公司。西安倫騫電器致力于為客戶提供良好的雷達(dá)料位計(jì)，雷達(dá)物位計(jì)，壓力變送器，溫度變送器，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(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批獨(dú)立的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。西安倫騫電器憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1845707.html</p></div></div></div></div></div><div id="2mkvbhn" class="page-right twoColRt"><div id="3hyz78h" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mhc8nek" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="rz88fgx" class="recomPic 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