上海液體渦輪流量計源頭直供廠家推薦咨詢江蘇中徽測控儀表供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="渦街流量計工作狀態(tài)下的體積流量不受被測流體溫度、壓力、密度等熱工參數(shù)的影響，但液體或蒸汽的**終測量結(jié)果應(yīng)是質(zhì)量流量，對于氣體，**終測量結(jié)果應(yīng)是標(biāo)準(zhǔn)體積流量。質(zhì)量流量或標(biāo)準(zhǔn)體積流量都必須通過流體密度進(jìn)行換算，必須考慮流體工況變化引起的流體密度"><meta name="keywords" content="上海液體渦輪流量計源頭直供廠家,流量計"><link rel="canonical" href="http://www.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 name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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href="http://www.cdcfah.com/cp/third-wybez_yyb/">液位儀表</a>?上海液體渦輪流量計源頭直供廠家推薦咨詢江蘇中徽測控儀表供應(yīng)</p><div id="8tvxe7o" class="leftbox clearfix"><h1>上海液體渦輪流量計源頭直供廠家推薦咨詢江蘇中徽測控儀表供應(yīng)</h1><div id="cgyk8vc" class="proBig"><div id="vuhzbnm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312838142734375/9834381.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="laheb27" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637312838142734375/9834381.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8wyqnk7" 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>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>上海液體渦輪流量計源頭直供廠家,流量計</p><p><span>***更新：</span>2020-09-22 07:10:06</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="ice873w" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測控儀表有限公司</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: </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</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="2vskric" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="88czlnp" class="box"><p><p> 渦街流量計工作狀態(tài)下的體積流量不受被測流體溫度、壓力、密度等熱工參數(shù)的影響，但液體或蒸汽的**終測量結(jié)果應(yīng)是質(zhì)量流量，對于氣體，**終測量結(jié)果應(yīng)是標(biāo)準(zhǔn)體積流量。質(zhì)量流量或標(biāo)準(zhǔn)體積流量都必須通過流體密度進(jìn)行換算，必須考慮流體工況變化引起的流體密度變化。 </p> <p> 造成流量測量誤差的因素主要有：管道流速不均造成的測量誤差；不能準(zhǔn)確確定流體工況變化時的介質(zhì)密度；將濕飽和蒸汽假設(shè)成干飽和蒸汽進(jìn)行測量。這些誤差如果不加以限制或消除，上海液體渦輪流量計源頭直供廠家，渦街流量計的總測量誤差會很大，上海液體渦輪流量計源頭直供廠家。孔板流量計前后產(chǎn)生一個靜壓力差，上海液體渦輪流量計源頭直供廠家,該壓力差與流量存在著一定的函數(shù)關(guān)系,流量越大,壓力差就越大；上海液體渦輪流量計源頭直供廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海液體渦輪流量計源頭直供廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838142734375/9834381.png"></div><p> 渦街流量計是在流體中安放一根非流線型游渦發(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)則地交錯排列的游渦的儀表。當(dāng)通流截面一定時，流速與導(dǎo)容積流量成正比。因此，測量振蕩頻率即可測得流量．渦街流量計按頻率檢出方式可分為:應(yīng)力式、應(yīng)變式、電容式、熱敏式、振動體式、光電式及超聲式等。這種流量計是 70 年發(fā)和發(fā)展起來的．由于它兼有無轉(zhuǎn)動部件和脈沖數(shù)字輸出的優(yōu)點，很有發(fā)展前途。 </p> <p> 優(yōu)點： </p> <p> <span style="font-size:12px;">（1）渦街流量計無可動部件，測量元件結(jié)構(gòu)簡單，性能可靠，使用壽命長。</span> </p> <p> <span style="font-size:12px;">（2）渦街流量計測量范圍寬。量程比一般能達(dá)到 1：10。</span> </p> <p> <span style="font-size:12px;">（3）渦街流量計的體積流量不受被測流體的溫度、壓力、密度或粘度等熱工參數(shù)的影響。一般不需單獨標(biāo)定。它可以測量液體、氣體或蒸汽的流量。</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，重復(fù)性為 0.5％，且維護(hù)量小。</span> 山東液體渦輪流量計哪個廠家質(zhì)量好超聲波流量計是一種非接觸式測量儀表，可用來測量不易接觸、不易觀察的流體流量和大管徑流量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海液體渦輪流量計源頭直供廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837240888672/6407176.png"></div><p> 按流量計的結(jié)構(gòu)原理進(jìn)行分類。有容積式流量計、差壓式流量計、浮子流量計、渦輪流量計、電磁流量計、流體振蕩流量計中的渦街流量計、質(zhì)量流量計和插入式流量計。 </p> <p> 按測量對象劃分就有封閉管道和明渠兩大類;按測量目的又可分為總量測量和流量測量,其儀表分別稱作總量表和流量計?？偭勘頊y量一段時間內(nèi)流過管道的流量,是以短暫時間內(nèi)流過的總量除以該時間的商來表示,實際上流量計通常亦備有累積流量裝置,做總量表使用,而總量表亦備有流量發(fā)訊裝置。因此, 以嚴(yán)格意義來分流量計和總量表已無實際意義。 </p><p> 容積式流量計容積式流量計,又稱定排量流量計,簡稱 PD流量計,在流量儀表中是精度比較高的一類。它利用機(jī)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)測量室逐次重復(fù)地充滿和排放該體積部分流體的次數(shù)來測量流體體積總量。 </p> <p> 容積式流量計按其測量元件分類,可分為橢圓齒輪流量計、刮板流量計、雙轉(zhuǎn)子流量計、旋轉(zhuǎn)活塞流量計、往復(fù)活塞流量計、圓盤流量計、液封轉(zhuǎn)筒式流量計、濕式氣量計及膜式氣量計等。 </p> <p> 優(yōu)點: </p> <p> (1)計量精度高; </p> <p> (2)安裝管道條件對計量精度沒有影響; </p> <p> (3)可用于高粘度液體的測量; </p> <p> (4)范圍度寬; </p> <p> (5)直讀式儀表無需外部能源可直接獲得累計,總量,清晰明了,操作簡便。 </p> <p> 缺點: </p> <p> (1)結(jié)果復(fù)雜,體積龐大; </p> <p> (2)被測介質(zhì)種類、口徑、介質(zhì)工作狀態(tài)局限性較大; </p> <p> (3)不適用于高、低溫場合; </p> <p> (4)大部分儀表只適用于潔凈單相流體; </p> <p> (5)產(chǎn)生噪聲及振動。 </p> <p> 應(yīng)用概況: </p> <p> 容積式流量計與差壓式流量計、浮子流量計并列為三類使用量比較大的流量計,常應(yīng)用于昂貴介質(zhì)(油品、天然氣等)的總量測量。質(zhì)量流量計就得到的應(yīng)用和重視。質(zhì)量流量計分直接式和間接式兩種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海液體渦輪流量計源頭直供廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838243867187/2569980.png"></div><p> 孔板流量計安裝前基本要求： </p> <p> 1．孔板流量計安裝前應(yīng)仔細(xì)核對標(biāo)準(zhǔn)孔板的編號、位號、規(guī)格是否與管道情況、流量范圍等參數(shù)相符。在取壓口附近標(biāo)有“+”的一端應(yīng)與流體上游管段聯(lián)接，標(biāo)有“—”的一端應(yīng)與流體下游管段聯(lián)接。 </p> <p> 2．對于新設(shè)管路系統(tǒng)，必須先經(jīng)掃線后再安裝標(biāo)準(zhǔn)孔板，以防管內(nèi)雜物堵塞或損傷標(biāo)準(zhǔn)孔板。 </p> <p> 3．標(biāo)準(zhǔn)孔板的中心線應(yīng)當(dāng)與管道中心線同軸。 </p> <p> 孔板流量計使流速增加，靜壓力低，于是在節(jié)流件前后便產(chǎn)生了壓力降，即壓差，介質(zhì)流動的流量越大，在節(jié)流件前后產(chǎn)生的壓差就越大，所以孔板流量計可以通過測量壓差來衡量流體流量的大小。這種測量方法是以能量守衡定律和流動連續(xù)性定律為基準(zhǔn)的。智能電磁流量計在進(jìn)行測量時不會受到，流體的粘度和密度的影響；泰州長頸噴嘴流量計源頭直供廠家</p><p style="text-indent:25px">電磁流量計有一系列優(yōu)良特性,可以解決其它流量計不易應(yīng)用的問題,如臟污流、腐蝕流的測量。上海液體渦輪流量計源頭直供廠家</p><p> 絕大部分轉(zhuǎn)子流量計必須垂直安裝在無振動的管道上，不應(yīng)有明顯的傾斜，流體自下而上流過儀表。轉(zhuǎn)子流量計中心線與鉛垂線間夾角一般不超過5度，高精度()儀表θ≤20°。如果θ=12°則會產(chǎn)生1%附加誤差。儀表無嚴(yán)格上游直管段長度要求，但也有制造廠要求(2-5)D長度的，實際上必要性不大。2、用于污臟流體的安裝應(yīng)在儀表上游裝過濾器。帶有磁性耦合的金屬管轉(zhuǎn)子流量計用于可能含磁鐵性雜質(zhì)流體時，應(yīng)在儀表前裝磁過濾器。要保持浮子和錐管的清潔，特別是小口徑儀表，浮子潔凈程度明顯影響測量值。3、轉(zhuǎn)子流量計擴(kuò)大范圍度的安裝如果測量要求的流量范圍度寬，范圍度超過10時，可以在一臺儀表內(nèi)放兩只不同形狀和重量的浮子，小流量時取輕浮子讀數(shù)，浮子到頂部后取重浮子讀數(shù)，范圍度可擴(kuò)大到50-100。上海液體渦輪流量計源頭直供廠家</p><p style="text-indent:25px">江蘇中徽測控儀表有限公司總部位于江蘇省淮安市金湖縣工業(yè)集中區(qū)A區(qū)3號，是一家主營產(chǎn)品：智能電磁流量計、插入式渦街流量計、智能超聲波流量計、威力巴流量計、平衡流量計、德爾塔巴流量計、超聲波流量計、雷達(dá)物位計、超聲波液位計、磁翻板液位計、電磁流量計、渦街流量計、旋進(jìn)漩渦流量計、渦輪流量計、壓力差壓變送器、校驗設(shè)備等。的公司。江蘇中徽測控儀表擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)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)液位計，物位計，水位計。江蘇中徽測控儀表始終以本分踏實的精神和必勝的信念，影響并帶動團(tuán)隊取得成功。江蘇中徽測控儀表始終關(guān)注儀器儀表市場，以敏銳的市場洞察力，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/1376811.html</p></div></div></div></div></div><div id="lvcuwdf" class="page-right twoColRt"><div id="bacjlsu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2ryv8bd" 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" 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