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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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海氣體渦輪流量計(jì)供貨廠,流量計(jì)</p><p><span>***更新：</span>2020-08-29 08:21:47</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="mld4mse" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測(cè)控儀表有限公司</a></p><p><span>聯(lián)系人：</span>姜經(jīng)理</p><p><span>郵箱: </span>jszhck@163.com</p><p><span>電話(huà): </span>13770424300</p><p><span>傳真: </span>0517_86903470</p><p><span>網(wǎng)址: </span>http://www.jszhckyb.com</p><p><span>手機(jī): </span>0517-86900078</p><p><span>地址: </span>江蘇省淮安市金湖縣工業(yè)集中區(qū)A區(qū)3號(hào)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="hro9tac" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="c28ov3q" class="box"><p><p> 渦街流量計(jì)是在流體中安放一根非流線(xiàn)型游渦發(fā)生體,流體在發(fā)生體兩側(cè)交替地分離釋放出兩串規(guī)則地交錯(cuò)排列的游渦的儀表。當(dāng)通流截面一定時(shí)，流速與導(dǎo)容積流量成正比。因此，測(cè)量振蕩頻率即可測(cè)得流量．渦街流量計(jì)按頻率檢出方式可分為:應(yīng)力式、應(yīng)變式、電容式、熱敏式、振動(dòng)體式、光電式及超聲式等。這種流量計(jì)是 70 年發(fā)和發(fā)展起來(lái)的．由于它兼有無(wú)轉(zhuǎn)動(dòng)部件和脈沖數(shù)字輸出的優(yōu)點(diǎn)，很有發(fā)展前途。 </p> <p> 優(yōu)點(diǎn)： </p> <p> <span style="font-size:12px;">（1）渦街流量計(jì)無(wú)可動(dòng)部件，測(cè)量元件結(jié)構(gòu)簡(jiǎn)單，性能可靠，使用壽命長(zhǎng)。</span> </p> <p> <span style="font-size:12px;">（2）渦街流量計(jì)測(cè)量范圍寬。量程比一般能達(dá)到 1：10。</span> </p> <p> <span style="font-size:12px;">（3）渦街流量計(jì)的體積流量不受被測(cè)流體的溫度、壓力、密度或粘度等熱工參數(shù)的影響。一般不需單獨(dú)標(biāo)定。它可以測(cè)量液體、氣體或蒸汽的流量，上海氣體渦輪流量計(jì)供貨廠。</span> </p> <p> （4）它造成的壓力損失小。 </p> <p> <span style="font-size:12px;">（5）準(zhǔn)確度較高，上海氣體渦輪流量計(jì)供貨廠，上海氣體渦輪流量計(jì)供貨廠，重復(fù)性為 0.5％，且維護(hù)量小。</span> 渦輪流量計(jì)特點(diǎn)：抗雜質(zhì)能力強(qiáng)、抗電磁干擾和抗振能力強(qiáng);上海氣體渦輪流量計(jì)供貨廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海氣體渦輪流量計(jì)供貨廠,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837225146484/5269614.png"></div><p> 渦輪流量計(jì),是速度式流量計(jì)中的主要種類(lèi),它采用多葉片的轉(zhuǎn)子(渦輪)感受流體平均流速,從而且推導(dǎo)出流量或總量的儀表。 </p> <p> 一般它由傳感器和顯示儀兩部分組成,也可做成整體式。 </p> <p> 渦輪流量計(jì)和容積式流量計(jì)、科里奧利質(zhì)量流量計(jì)稱(chēng)為流量計(jì)中三類(lèi)重復(fù)性、精度比較好的產(chǎn)品,作為**類(lèi)型流量計(jì)之一,其產(chǎn)品已發(fā)展為多品種、多系列批量生產(chǎn)的規(guī)模。 </p> <p> 優(yōu)點(diǎn): </p> <p> (1)高精度,在所有流量計(jì)中,屬于較精確的流量計(jì); </p> <p> (2)重復(fù)性好; </p> <p> (3)元零點(diǎn)漂移,抗干擾能力好; </p> <p> (4)范圍度寬; </p> <p> (5)結(jié)構(gòu)緊湊。 </p> <p> 缺點(diǎn): </p> <p> (1)不能長(zhǎng)期保持校準(zhǔn)特性; </p> <p> (2)流體物性對(duì)流量特性有較大影響。 </p> <p> 應(yīng)用概況: </p> <p> 渦輪流量計(jì)在以下一些測(cè)量對(duì)象獲得廣泛應(yīng)用:石油、有機(jī)液體、無(wú)機(jī)液、液化氣、天然氣和低溫流 </p> <p> <br /> 江蘇熱式氣體質(zhì)量流量計(jì)多少錢(qián)渦輪流量計(jì)在以下一些測(cè)量對(duì)象獲得廣泛應(yīng)用:石油、有機(jī)液體、無(wú)機(jī)液、液化氣、天然氣和低溫流；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海氣體渦輪流量計(jì)供貨廠,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837291513672/3172930.png"></div><p> 超聲波流量計(jì)缺點(diǎn): </p> <p> （1）超聲波流量計(jì)的溫度測(cè)量范圍不高，一般只能測(cè)量溫度低于200℃的流體。 </p> <p> （2）抗干擾能力差。易受氣泡、結(jié)垢、泵及其它聲源混入的超聲雜音干擾、影響測(cè)量精度。 </p> <p> （3）直管段要求嚴(yán)格，為前**,后5D。否則離散性差，測(cè)量精度低。 </p> <p> （4）安裝的不確定性，會(huì)給流量測(cè)量帶來(lái)較大誤差。 </p> <p> （5）測(cè)量管道因結(jié)垢，會(huì)嚴(yán)重影響測(cè)量準(zhǔn)確度，帶來(lái)明顯的測(cè)量誤差，甚至在嚴(yán)重時(shí)儀表無(wú)流量顯示 </p> <p> （6）可靠性、精度等級(jí)不高（一般為1.5～2.5級(jí)左右），重復(fù)性差。 </p> <p> （7）使用壽命短（一般精度只能保證一年）。 </p> <p> <br /> </p><p> 電磁流量計(jì)的安裝與調(diào)試比其它流量計(jì)復(fù)雜，且要求更嚴(yán)格。變送器和轉(zhuǎn)換器必須配套使用，兩者之間不能用兩種不同型號(hào)的儀表配用。在安裝變送器時(shí)，從安裝地點(diǎn)的選擇到具體的安裝調(diào)試，必須嚴(yán)格按照產(chǎn)品說(shuō)明書(shū)要求進(jìn)行。安裝地點(diǎn)不能有振動(dòng)，不能有強(qiáng)磁場(chǎng)。在安裝時(shí)必須使變送器和管道有良好的接觸及良好的接地。變送器的電位與被測(cè)流體等電位。在使用時(shí)，必須排盡測(cè)量管中存留的氣體，否則會(huì)造成較大的測(cè)量誤差。 </p> <p> 電磁流量計(jì)用來(lái)測(cè)量帶有污垢的粘性液體時(shí)，粘性物或沉淀物附著在測(cè)量管內(nèi)壁或電極上，使變送器輸出電勢(shì)變化，帶來(lái)測(cè)量誤差，電極上污垢物達(dá)到一定厚度，可能導(dǎo)致儀表無(wú)法測(cè)量。定式超聲波流量計(jì)，通常都有4-20mA信號(hào)輸出等功用，供遠(yuǎn)傳顯現(xiàn)運(yùn)用，但其內(nèi)部只能存貯一條管道的參數(shù)；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海氣體渦輪流量計(jì)供貨廠,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837114287109/5142774.png"></div><p style="text-indent:25px">智能電磁流量計(jì)傳感器接地很重要，尤其在管道存在雜散電流干擾時(shí)，只有良好的接地保護(hù)，才能使智能電磁流量計(jì)準(zhǔn)確地測(cè)量。也許在沒(méi)有這種干擾的環(huán)境里，不接地并不影響流量計(jì)準(zhǔn)確測(cè)量，但是一旦環(huán)境改變，即造成流量計(jì)不能準(zhǔn)確穩(wěn)定地工作，所以我們?cè)诎惭b時(shí)比較好做好傳感器接地保護(hù)，給智能電磁流量計(jì)創(chuàng)造一個(gè)良好的工作環(huán)境。接地環(huán)分為普通型和保護(hù)型，一般是使用普通型，若被測(cè)介質(zhì)是磨損性的，宜使用帶頸的保護(hù)接地環(huán)。以保護(hù)進(jìn)口端的襯里，延長(zhǎng)使用壽命。若口徑在200mm以下的智能電磁流量計(jì)，選用聚四氟乙烯襯里時(shí)，應(yīng)選用接地環(huán)，以保證在管道連接安裝時(shí)保護(hù)襯里不受損壞，接地環(huán)通常是不銹鋼或Hc合金的。質(zhì)量流量計(jì)的測(cè)量管無(wú)論是向上還是向下安裝，都要盡量使測(cè)量管與地平面保持垂直或水平。江蘇熱式氣體質(zhì)量流量計(jì)多少錢(qián)</p><p style="text-indent:25px">孔板流量計(jì)可以通過(guò)測(cè)量壓差來(lái)衡量流體流量的大小。上海氣體渦輪流量計(jì)供貨廠</p><p> 智能型電磁流量計(jì)如果在日常使用過(guò)程中出現(xiàn)了一些問(wèn)題，我們就要去認(rèn)真的去找原因。原因很多，主要有下面幾個(gè)方面： </p> <p> 一、使用場(chǎng)所的原因 </p> <p> 使用場(chǎng)所如果不太好，比如現(xiàn)場(chǎng)有一些干擾，我們就要想辦法來(lái)解決這些問(wèn)題。比如在接地上用單一地接地，或用傳感器和管道進(jìn)行不導(dǎo)電的辦法；還有就是用屏蔽線(xiàn)給予保護(hù)。 </p> <p> 二、裝配程序的原因 </p> <p> 比如有的用戶(hù)把智能電磁流量計(jì)在容易有空氣的高處，或者安裝在不經(jīng)常是滿(mǎn)管的地方，或者安裝在流體從上到下的堅(jiān)著的管子上，這些都會(huì)使智能電磁流量計(jì)使用出現(xiàn)問(wèn)題。 </p> <p> 三、測(cè)量介質(zhì)的原因 </p> <p> 如果所測(cè)量的介質(zhì)不是單單地導(dǎo)電液體，而是液氣混合，也就是說(shuō)測(cè)量介質(zhì)里面有許多氣泡，它就會(huì)地影響測(cè)量信號(hào)輸出地穩(wěn)定性。 </p> <p> <br /> </p> <p> 四、長(zhǎng)期使用了的智能電磁流量計(jì)的內(nèi)管里會(huì)積污垢，這樣也會(huì)影響電磁流量計(jì)的測(cè)量效果。 </p> <p> 五、電磁流量計(jì)的電源線(xiàn)，要做好防雷電的工作。特別是夏天，一定做注意這一點(diǎn)。上海氣體渦輪流量計(jì)供貨廠</p><p style="text-indent:25px">江蘇中徽測(cè)控儀表有限公司位于江蘇省淮安市，創(chuàng)立于2014-01-15。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下雷達(dá)料位計(jì)，雷達(dá)液位計(jì)，物位計(jì)，水位計(jì)深受客戶(hù)的喜愛(ài)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)先進(jìn)知識(shí)，遵守行業(yè)規(guī)范，植根于儀器儀表行業(yè)的發(fā)展。江蘇中徽測(cè)控儀表立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合世界前沿的技術(shù)理念，飛快響應(yīng)客戶(hù)的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1080200.html</p></div></div></div></div></div><div id="g3oamov" class="page-right 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