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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>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>熱式流量計用途,流量計</p><p><span>***更新：</span>2020-08-29 12:10:33</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="y3v7liu" 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: </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(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="zd2sub8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="dcumeqn" class="box"><p><p style="text-indent:25px">橢圓齒輪流量計(又稱排量流量計，齒輪流量計)，屬于容積式流量計一種，在流量儀表中是精度較高的一類。它利用機械測量元件把流體連續(xù)不斷地分割成單個已知的體積部分，根據(jù)計量室逐次、重復(fù)地充滿和排放該體積部分流體的次數(shù)來測量流量體積總量。橢圓齒輪流量計可以選用不同的材料(鑄鐵、鑄鋼，熱式流量計用途、304不銹鋼、316不銹鋼)制造，適用于化工、石油、醫(yī)藥、電力，熱式流量計用途、冶金和食品等工業(yè)部門的流量計量工作。橢圓齒輪流量計是容積式流量計的一種，用于精密的連續(xù)或間斷的測量管道中液體的流量或瞬時流量.它特別適合于重油、聚乙烯醇，熱式流量計用途、樹脂等粘度較高介質(zhì)的流量測量。大量的投資被用于提升工廠的自動化水平和現(xiàn)場數(shù)據(jù)的采集和實時監(jiān)控，以提升工廠的過程控制效率。熱式流量計用途</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="熱式流量計用途,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519957626953/9160428.png"></div><p> 電磁流量計的結(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。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：由液體流動產(chǎn)生的感應(yīng)電勢信號十分微弱，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)電勢信號放大并轉(zhuǎn)換成統(tǒng)一的標(biāo)準(zhǔn)信號并yizhi主要的干擾信號。其任務(wù)是把電極檢測到的感應(yīng)電勢信號Ex經(jīng)放大轉(zhuǎn)換成統(tǒng)一的標(biāo)準(zhǔn)直流信號。甘肅液體渦旋流量計金屬管錐形管可用于較高的介質(zhì)溫度和壓力，且無玻璃管浮子流量計錐管被擊碎的潛在危險。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="熱式流量計用途,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332519835488281/573497.png"></div><p> 時差法測量順逆?zhèn)鞑r傳播速度不同引起的時差計算被測流體速度。 </p> <p> 它采用兩個聲波發(fā)送器(SA和SB)和兩個聲波jieshouqi超聲流量計(RA和RB)。同一聲源的兩組聲波在SA與RA之間和SB與RB之間分別傳送。它們沿著管道安裝的位置與管道成θ角(一般θ=45°)(圖1)。由于向下游傳送的聲波被流體加速，而向上游傳送的聲波被延遲，它們之間的時間差與流速成正比。也可以發(fā)送正弦信號測量兩組聲波之間的相移或發(fā)送頻率信號測量頻率差來實現(xiàn)流速的測量。 </p> <p> 相位差法測量順逆?zhèn)鞑r傳播時由于時差引起的相位差計算速度。 </p> <p> 它的發(fā)送器沿垂直于管道的軸線發(fā)送一束聲波，由于流體流動的作用，聲波束向下游偏移一段距離。偏移距離與流速成正比。 </p><p style="text-indent:25px">超聲流量計是通過檢測流體流動對超聲束(或超聲脈沖)的作用以測量流量的儀表。超聲流量計主要由安裝在測量管道上的超聲換能器(或由換能器和測量管組成的超聲流量傳感器)和轉(zhuǎn)換器組成。超聲流量計和電磁流量計一樣，因儀表流通通道未設(shè)置任何阻礙件，均屬無阻礙流量計，是適于解決流量測量困難問題的一類流量計，特別在大口徑流量測量方面有較突出的優(yōu)點，它是發(fā)展迅速的一類流量計之一。根據(jù)對信號檢測的原理，超聲流量計可分為傳播速度差法(直接時差法、時差法、相位差法和頻差法)、波束偏移法、多普勒法、互相關(guān)法、空間濾法及噪聲法等。金屬管浮子流量計具有結(jié)構(gòu)堅固可靠、使用溫度范圍廣、精度高、價格便宜，能使用多種場合的流量測量等特點。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="熱式流量計用途,流量計" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520715556641/6274057.png"></div><p> 管道式電磁流量計: </p> <p> 1．對直段的要求: </p> <p> 為了改善渦流與流場畸變的影響，流量計安裝的前、后直管段長度有一定要求，否則會影響測量精度（也可安裝整流器，盡量避免在靠近調(diào)節(jié)閥和半開閥門之后安裝）。 </p> <p> 2．對工藝管的要求: </p> <p> 流量計對安裝點的上、下游工藝管有一定的要求，否則影響測量精度。 </p> <p> a．上、下游工藝管的內(nèi)徑與傳感器的內(nèi)徑相同，并應(yīng)滿足：0.98DN≤D≤1.05DN（式中DN：傳感器內(nèi)徑，D：工藝管內(nèi)徑）; </p> <p> b．工藝管與傳感器必須同心，同軸偏差應(yīng)不大于0.05DN. </p> <p> 3．旁通管的要求: </p> <p> 為了方便檢修流量計，比較好為流量計安裝旁通管，另外，對重污染流體及流量計需清而流體不能停止的，必須安裝旁通管。 </p> <p> a．方便流量計的檢修; </p> <p> b．對重污染流體必須安裝; </p> <p> c．流體不能停止而流量計需清洗. 全流型即被測流體全部流過浮子流量計的儀表。黑龍江金屬管浮子流量計推薦</p><p style="text-indent:25px">透明錐形管4用得普遍是由硼硅玻璃制成，習(xí)慣簡稱玻璃管浮子流量計。熱式流量計用途</p><p> 電磁流量計內(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、濃堿強腐蝕性溶液及衛(wèi)生類介質(zhì)。熱式流量計用途</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司創(chuàng)立于2020-04-03，總部位于陜西省西安市，是一家智能儀器儀表銷售：網(wǎng)絡(luò)設(shè)備銷售；安防設(shè)備銷售；閥門和旋塞銷售；計算機軟及軸助設(shè)備零售；環(huán)境監(jiān)測專用儀器銷售；電氣設(shè)備銷售；機械設(shè)備銷售；電子元器件與機電組件設(shè)備銷售；電子產(chǎn)品銷售；終端計量設(shè)備銷售；終端測試設(shè)備銷售；供應(yīng)用儀器儀表銷售；電子專用設(shè)備銷售；技術(shù)開發(fā)；普通機械設(shè)備安裝服務(wù)；智能儀器儀表制造：儀器儀表修理；儀器儀表制造；環(huán)境監(jiān)測專用儀器儀表制造；其他通用儀器制造；電子測量儀器化工。的公司。西安倫騫電器擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供雷達(dá)料位計，雷達(dá)物位計，壓力變送器，溫度變送器。西安倫騫電器不斷開拓創(chuàng)新，追求卓越，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為核心，以服務(wù)為保障，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。西安倫騫電器始終關(guān)注儀器儀表市場，以敏銳的市場洞察力以正確確認(rèn)，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1082421.html</p></div></div></div></div></div><div id="rldkh2h" class="page-right twoColRt"><div id="8ipwy8x" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7df8ubi" class="recomPic likePro"><a 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