黑龍江智能靶式流量計(jì)推薦歡迎來(lái)電西安倫騫電器設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="流量計(jì)是由計(jì)量箱和裝在計(jì)量箱內(nèi)的一對(duì)橢圓齒輪，與上下蓋板構(gòu)成一個(gè)密封的初月形空腔(由于齒輪的轉(zhuǎn)動(dòng)，黑龍江智能靶式流量計(jì)推薦，所以不是一定密封的)作為一次排量的計(jì)算單位。當(dāng)被測(cè)液體經(jīng)管道進(jìn)入流量計(jì)時(shí)，由于進(jìn)出口處產(chǎn)生的壓力差推動(dòng)一對(duì)齒輪連續(xù)旋"><meta name="keywords" content="黑龍江智能靶式流量計(jì)推薦,流量計(jì)"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yiaskwy" 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>黑龍江智能靶式流量計(jì)推薦,流量計(jì)</p><p><span>***更新：</span>2020-12-09 07:15:58</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="croax2i" 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="v7ae273" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rv2nel3" class="box"><p><p style="text-indent:25px">流量計(jì)是由計(jì)量箱和裝在計(jì)量箱內(nèi)的一對(duì)橢圓齒輪，與上下蓋板構(gòu)成一個(gè)密封的初月形空腔(由于齒輪的轉(zhuǎn)動(dòng)，黑龍江智能靶式流量計(jì)推薦，所以不是一定密封的)作為一次排量的計(jì)算單位。當(dāng)被測(cè)液體經(jīng)管道進(jìn)入流量計(jì)時(shí)，由于進(jìn)出口處產(chǎn)生的壓力差推動(dòng)一對(duì)齒輪連續(xù)旋轉(zhuǎn)，不斷地把經(jīng)初月形空腔計(jì)量后的液體輸送到出口處，黑龍江智能靶式流量計(jì)推薦，橢圓齒輪的轉(zhuǎn)數(shù)與每次排量四倍的乘積即為被測(cè)液體流量的總量(原理見(jiàn)圖)。流量計(jì)主要是由殼體，黑龍江智能靶式流量計(jì)推薦、計(jì)數(shù)器、橢圓齒輪和聯(lián)軸器(分磁性聯(lián)軸器和軸向聯(lián)軸器)等組成。渦輪流量計(jì)是速度式流量計(jì)中的主要種類，采用多葉片的轉(zhuǎn)子感受流體平均流速，從而推導(dǎo)出流量或總量的儀表。黑龍江智能靶式流量計(jì)推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江智能靶式流量計(jì)推薦,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520833798828/4923668.png"></div><p> 按照外加磁場(chǎng)類型的不同，電磁流量計(jì)主要有直流式和感應(yīng)式兩種。直流式電磁流量計(jì)的外加恒下磁場(chǎng)B垂直于管軸，C、D處裝有兩個(gè)電極，用來(lái)測(cè)量流體橫越磁場(chǎng)時(shí)所感生的電動(dòng)勢(shì)U。流量Q可用下式求出： </p> <p> Q=(1/K).(UA/Bd) </p> <p> 式中A為管道橫截面積；d為管道直徑；k為修正系數(shù)，用來(lái)修正導(dǎo)出公式時(shí)未計(jì)及的因素（如流量計(jì)管道內(nèi)的流速事實(shí)上并不均勻）的影響。在常的流量計(jì)中，k約為0.8，但對(duì)于特定尺寸、用于特定工況的電磁流量計(jì)，則要用容積法（一定時(shí)間內(nèi)流過(guò)的容積）標(biāo)定k值。磁場(chǎng)可由永久磁鐵產(chǎn)生，磁鐵材料一般是鋁－鎳－鈷合金。流量大時(shí)，因管徑較大，故采用無(wú)鐵芯激磁繞組，通以它常直流電流來(lái)產(chǎn)生一個(gè)近似均勻的磁場(chǎng)。渦輪流量計(jì)用途渦輪流量計(jì)一般由傳感器和顯示儀兩部分組成，也可做成整體式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江智能靶式流量計(jì)推薦,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520990390625/5084448.png"></div><p> 管道式電磁流量計(jì): </p> <p> 1．對(duì)直段的要求: </p> <p> 為了改善渦流與流場(chǎng)畸變的影響，流量計(jì)安裝的前、后直管段長(zhǎng)度有一定要求，否則會(huì)影響測(cè)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(kāi)閥門(mén)之后安裝）。 </p> <p> 2．對(duì)工藝管的要求: </p> <p> 流量計(jì)對(duì)安裝點(diǎn)的上、下游工藝管有一定的要求，否則影響測(cè)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(jì)，比較好為流量計(jì)安裝旁通管，另外，對(duì)重污染流體及流量計(jì)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(jì)的檢修; </p> <p> b．對(duì)重污染流體必須安裝; </p> <p> c．流體不能停止而流量計(jì)需清洗. </p><p> 渦街流量計(jì)安裝對(duì)直管段的要求：正確地選擇安裝點(diǎn)和正確安裝流量計(jì)都是非常重要的環(huán)節(jié)，若安裝環(huán)節(jié)失誤輕者影響測(cè)量精度，重者會(huì)影響流量計(jì)的使用壽命，甚至?xí)p壞流量計(jì)。渦街流量計(jì)安裝對(duì)直管段的要求是非常重要的。它的詳細(xì)要求如***量計(jì)對(duì)安裝點(diǎn)上的上下游直管段一定的要求，否則會(huì)影響測(cè)量精度。若流量計(jì)安裝點(diǎn)上的上游有漸縮管，流量計(jì)上游應(yīng)有不小于15D(D為管道直徑)的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。若流量計(jì)安裝點(diǎn)上的上游有漸擴(kuò)管，流量計(jì)上游應(yīng)有不小于18D(D為管道直徑)的等徑直管段，下游應(yīng)有不小于5D的等徑直管段若流量計(jì)安裝點(diǎn)上游有90°彎頭或下行接頭，流量計(jì)上游應(yīng)有不小于**的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。若流量計(jì)安裝點(diǎn)上游在同一平面上有90°彎頭，流量計(jì)上游應(yīng)有不小于25D的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。流量調(diào)節(jié)閥或壓力調(diào)節(jié)閥盡量安裝在流量計(jì)下游5D以遠(yuǎn)處，若必須安裝在流量計(jì)的上游，流量計(jì)上游應(yīng)有不小于25D的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。流量計(jì)上游若有活塞式或柱塞式泵，活塞式或羅茨式風(fēng)機(jī)、壓縮機(jī)，流量計(jì)上游應(yīng)有不小于25D的等徑直管段，下游應(yīng)有不小于5D的等徑直管段。在工業(yè)現(xiàn)場(chǎng)，測(cè)量流體流量的儀表統(tǒng)稱為流量計(jì)或流量表。是工業(yè)測(cè)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="黑龍江智能靶式流量計(jì)推薦,流量計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637332520569794922/6545301.png"></div><p style="text-indent:25px">熱式流量計(jì)采用熱擴(kuò)散原理，熱擴(kuò)散技術(shù)是一種在苛刻條件下性能優(yōu)良、可靠性高的技術(shù)。熱式流量計(jì)有兩個(gè)溫度傳感器被置于介質(zhì)中時(shí)，其中一個(gè)傳感器被加熱到環(huán)境溫度以上的的溫度，另一個(gè)溫度傳感器用于感應(yīng)介質(zhì)溫度。介質(zhì)流速增加，介質(zhì)帶走的熱量增多，兩個(gè)溫度傳感器的溫度差將隨介質(zhì)的流速變化而變化，根據(jù)溫度差與介質(zhì)流速的比例關(guān)系，可得出流體的流量Q。熱式流量計(jì)目前絕大部分用于測(cè)量氣體，只有少量熱式流量計(jì)用于測(cè)量微小液體流量。按介質(zhì)分類:液體流量計(jì)、氣體流量計(jì)、蒸汽流量計(jì)以及固體流量計(jì)。金屬管浮子流量計(jì)用途</p><p style="text-indent:25px">直角型安裝方式金屬管浮子流量計(jì)典型結(jié)構(gòu)，通常適用于口徑15-40mm以上儀表。黑龍江智能靶式流量計(jì)推薦</p><p> 渦街流量計(jì)便是依據(jù)卡門(mén)旋渦原理進(jìn)行封閉管道流體流量測(cè)量的新型流量計(jì)。因其具有良好的介質(zhì)適應(yīng)能力，無(wú)需溫度壓力補(bǔ)償即可直接測(cè)量蒸汽、空氣、氣體、水、液體的工況體積流量，配備溫度、壓力傳感器可測(cè)量標(biāo)況體積流量和質(zhì)量流量，是節(jié)流式流量計(jì)的理想替代產(chǎn)品。為提高渦街流量計(jì)的耐高溫及抗振動(dòng)性能，我公司新近開(kāi)發(fā)出了改進(jìn)型渦街流量傳感器，因其獨(dú)特的結(jié)構(gòu)和選材使該傳感器可在高溫（350℃）、強(qiáng)振動(dòng)（≤1g）的惡劣工況下使用。在實(shí)際應(yīng)用中，往往比較大流量遠(yuǎn)低于儀表的上限值，隨著負(fù)荷的變化，小流量又往往會(huì)低于儀表的下限值，儀表并非工作在它的比較好工作段，為了解決這一問(wèn)題，通常采用在測(cè)量處縮徑提高測(cè)量處的流速，并選用較小口徑的儀表以利于儀表的測(cè)量，但是這種變徑方式必須在變徑管與儀表間有長(zhǎng)度為15D以上的直管段進(jìn)行整流，使加工、安裝都不方便。我公司研制的縱斷面形狀為圓弧的LGZ變徑整流器，具有整流、提高流速及改變流速分布多重作用，其結(jié)構(gòu)尺寸小，*為工藝管內(nèi)徑的1/3，與渦街流量計(jì)作成一體，不*不需要另外附加一段直管段，還可以降低對(duì)工藝管直管段的要求，安裝非常方便。黑龍江智能靶式流量計(jì)推薦</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2330556.html</p></div></div></div></div></div><div id="fzwjlnk" class="page-right twoColRt"><div id="la3axe3" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pegy3pw" class="recomPic likePro"><a 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