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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520833798828/4923668.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="afm3a8u" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520833798828/4923668.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="383qvsk" 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>壁掛式明渠流量計(jì)用途,流量計(jì)</p><p><span>***更新：</span>2020-11-05 07:20:03</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="cr8woqn" 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="nhe7el8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="dxpmzli" class="box"><p><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(cè)介質(zhì)的腐蝕性，磨損性和溫度來(lái)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(cè)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(cè)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，壁掛式明渠流量計(jì)用途、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(cè)水，壁掛式明渠流量計(jì)用途、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(cè)中性強(qiáng)磨損的煤漿、泥漿和礦漿。 </p> <p> 五、聚四氟乙烯（PTFE）：1，壁掛式明渠流量計(jì)用途、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(cè)濃度、濃堿強(qiáng)腐蝕性溶液及衛(wèi)生類介質(zhì)。金屬管錐形管可用于較高的介質(zhì)溫度和壓力，且無(wú)玻璃管浮子流量計(jì)錐管被擊碎的潛在危險(xiǎn)。壁掛式明渠流量計(jì)用途</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="壁掛式明渠流量計(jì)用途,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520833798828/4923668.png"></div><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(kāi)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(cè)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(guò)遠(yuǎn)時(shí)，探頭接收的信號(hào)太弱，無(wú)法和噪聲信號(hào)區(qū)分，過(guò)近時(shí)，進(jìn)入探頭的盲區(qū)，則無(wú)法分辨。甘肅熱式流量計(jì)金屬管浮子流量計(jì)為現(xiàn)場(chǎng)智能指示型，有下進(jìn)上出、左進(jìn)右出和下進(jìn)側(cè)出三種安裝形式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="壁掛式明渠流量計(jì)用途,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332521160000000/9536736.png"></div>電磁流量計(jì)（Electromagnetic Flowmeters，簡(jiǎn)稱EMF）是20世紀(jì)50~60年代隨著電子技術(shù)的發(fā)展而迅速發(fā)展起來(lái)的新型流量測(cè)量?jī)x表。電磁流量計(jì)是應(yīng)用電磁感應(yīng)原理，根據(jù)導(dǎo)電流體通過(guò)外加磁場(chǎng)時(shí)感生的電動(dòng)勢(shì)來(lái)測(cè)量導(dǎo)電流體流量的一種儀器。 <p> 電磁流量計(jì)的結(jié)構(gòu)主要由磁路系統(tǒng)、測(cè)量導(dǎo)管、電極、外殼、襯里和轉(zhuǎn)換器等部分組成。 </p> <p> 磁路系統(tǒng)：其作用是產(chǎn)生均勻的直流或交流磁場(chǎng)。直流磁路用永久磁鐵來(lái)實(shí)現(xiàn)，其優(yōu)點(diǎn)是結(jié)構(gòu)比較簡(jiǎn)單，受交流磁場(chǎng)的干擾較小，但它易使通過(guò)測(cè)量導(dǎo)管內(nèi)的電解質(zhì)液體極化，使正電極被負(fù)離子包圍，負(fù)電極被正離子包圍，即電極的極化現(xiàn)象，并導(dǎo)致兩電極之間內(nèi)阻增大，因而嚴(yán)重影響儀表正常工作。當(dāng)管道直徑較大時(shí)，永久磁鐵相應(yīng)也很大，笨重且不經(jīng)濟(jì)，所以電磁流量計(jì)一般采用交變磁場(chǎng)，且是50HZ工頻電源激勵(lì)產(chǎn)生的。 </p> <p> 測(cè)量導(dǎo)管：其作用是讓被測(cè)導(dǎo)電性液體通過(guò)。為了使磁力線通過(guò)測(cè)量導(dǎo)管時(shí)磁通量被分流或短路，測(cè)量導(dǎo)管必須采用不導(dǎo)磁、低導(dǎo)電率、低導(dǎo)熱率和具有一定機(jī)械強(qiáng)度的材料制成，可選用不導(dǎo)磁的不銹鋼、玻璃鋼、高強(qiáng)度塑料、鋁等。 </p><p style="text-indent:25px">橢圓齒輪流量計(jì)(又稱排量流量計(jì)，齒輪流量計(jì))，屬于容積式流量計(jì)一種，在流量?jī)x表中是精度較高的一類。它利用機(jī)械測(cè)量元件把流體連續(xù)不斷地分割成單個(gè)已知的體積部分，根據(jù)計(jì)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(lái)測(cè)量流量體積總量。橢圓齒輪流量計(jì)可以選用不同的材料(鑄鐵、鑄鋼、304不銹鋼、316不銹鋼)制造，適用于化工、石油、醫(yī)藥、電力、冶金和食品等工業(yè)部門(mén)的流量計(jì)量工作。橢圓齒輪流量計(jì)是容積式流量計(jì)的一種，用于精密的連續(xù)或間斷的測(cè)量管道中液體的流量或瞬時(shí)流量.它特別適合于重油、聚乙烯醇、樹(shù)脂等粘度較高介質(zhì)的流量測(cè)量。將浮子位移量轉(zhuǎn)換成電流或氣壓模擬量信號(hào)輸出，分別成為電遠(yuǎn)傳浮子流量計(jì)和氣遠(yuǎn)傳浮子流量計(jì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="壁掛式明渠流量計(jì)用途,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520631328125/4056452.png"></div><p> 各種超聲流量計(jì)已廣用于工業(yè)生產(chǎn)、商業(yè)計(jì)量和水利檢測(cè)等方面，如:在市政行業(yè)的原水、自來(lái)水、中水、污水的計(jì)量中，超聲流量計(jì)具有大量程比、無(wú)壓損的特點(diǎn)，在保證測(cè)量準(zhǔn)確度的同時(shí)提高了管網(wǎng)的輸水效率;在水利水電行業(yè)的輸水管道、渠道、泵站、電站的流量計(jì)量中，超聲流量計(jì)具有大口徑、現(xiàn)場(chǎng)安裝、在線標(biāo)定的特點(diǎn)，使準(zhǔn)確測(cè)量成為可能。同時(shí)通過(guò)對(duì)水泵、水輪機(jī)單泵、單機(jī)的計(jì)量來(lái)實(shí)現(xiàn)設(shè)備優(yōu)化、經(jīng)濟(jì)運(yùn)行的目的;在工業(yè)冷卻循環(huán)水的計(jì)量中，超聲流量計(jì)實(shí)現(xiàn)了在線不斷流帶壓安裝和在線標(biāo)定;在商業(yè)計(jì)量方面多聲道超聲流量計(jì)已達(dá)到優(yōu)于(示值誤差)。(1)傳播時(shí)間法應(yīng)用于清潔、單相液體和氣體。典型應(yīng)用有工廠排放液、:怪液、液化天然氣等;(2)氣體應(yīng)用方面在高壓天然氣領(lǐng)域已有使用良好的經(jīng)驗(yàn);(3)多普勒法適用于異相含量不太高的雙相流體,例如:未處理污水、工廠排放液、臟流程液;通常不適用于非常清潔的液體。流量計(jì)量是計(jì)量科學(xué)技術(shù)的組成部分之一，它與國(guó)民經(jīng)濟(jì)、國(guó)防建設(shè)、科學(xué)研究有密切的關(guān)系。甘肅熱式流量計(jì)</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(jiǎn)稱玻璃管浮子流量計(jì)。壁掛式明渠流量計(jì)用途</p><p> 電磁流量計(jì)就顯示方式分為：分體型電磁流量計(jì)，一體型電磁流量計(jì)。系列公稱通徑DN15～DN3000。分體型電磁流量計(jì)是一種根據(jù)法拉第電磁感應(yīng)定律來(lái)測(cè)量管內(nèi)導(dǎo)電介質(zhì)體積流量的感應(yīng)式儀表，采用單片機(jī)嵌入式技術(shù)，實(shí)現(xiàn)數(shù)字勵(lì)磁，同時(shí)在電磁流量計(jì)上采用CAN現(xiàn)場(chǎng)總線，屬國(guó)內(nèi)首創(chuàng)，技術(shù)達(dá)到國(guó)內(nèi)領(lǐng)先水平。分體型電磁流量計(jì)在滿足現(xiàn)場(chǎng)顯示的同時(shí)，還可以輸出4～20mA電流信號(hào)供記錄、調(diào)節(jié)和控制用，現(xiàn)已廣地應(yīng)用于化工、環(huán)保、冶金、醫(yī)藥、造紙、給排水等工業(yè)技術(shù)和管理部門(mén)。分體型電磁流量計(jì)除可測(cè)量一般導(dǎo)電液體的流量外，還可測(cè)量液固兩相流，高粘度液流及鹽類、強(qiáng)酸、強(qiáng)堿液體的體積流量。壁掛式明渠流量計(jì)用途</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)型的公司。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。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造儀器儀表良好品牌。西安倫騫電器立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1858107.html</p></div></div></div></div></div><div id="v8zprtq" class="page-right twoColRt"><div 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