徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā) **** 江蘇中徽測(cè)控儀表供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="渦街流量計(jì)的優(yōu)點(diǎn)：（1）構(gòu)造簡(jiǎn)略、結(jié)實(shí)、裝置保護(hù)便利。無(wú)需導(dǎo)壓管和三閥組等，削減走漏、阻塞和凍住等。（2）測(cè)量規(guī)模寬，合理斷定口徑，規(guī)模度可達(dá)20:1。（3）精度較高，通常為±（1～1.5）％R。（4）輸出與流量成正比的脈沖信號(hào)，無(wú)零點(diǎn)漂移"><meta name="keywords" content="徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā),流量計(jì)"><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 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="42mvirk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637436289067451760/3371916.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hhdqsry" 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>徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā),流量計(jì)</p><p><span>***更新：</span>2020-12-27 00:20:21</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="vk7jq3g" 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: </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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="xrjlnr3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8rikh78" class="box"><p><p style="text-indent:25px">渦街流量計(jì)的優(yōu)點(diǎn)：（1）構(gòu)造簡(jiǎn)略、結(jié)實(shí)、裝置保護(hù)便利。無(wú)需導(dǎo)壓管和三閥組等，削減走漏、阻塞和凍住等。（2）測(cè)量規(guī)模寬，合理斷定口徑，規(guī)模度可達(dá)20:1。（3）精度較高，通常為±（1～1.5）％R。（4）輸出與流量成正比的脈沖信號(hào)，無(wú)零點(diǎn)漂移。（5）壓損小，約為節(jié)流式差壓流量計(jì)的1/4～1/2。（6）在必定雷諾數(shù)規(guī)模內(nèi)，輸出頻率不受流體物性（密度、粘度）和組成的影響，即外表系數(shù)*與旋渦發(fā)作體及管道的形狀、尺度有關(guān)?？装辶髁坑?jì)的優(yōu)點(diǎn)：（1）適用規(guī)模。既適用于全部單相流體，也可測(cè)量有些混相流，如氣固、汽液、固液等。（2）節(jié)流式差壓流量計(jì)中的標(biāo)準(zhǔn)孔板構(gòu)造易于復(fù)制，徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā)，簡(jiǎn)略結(jié)實(shí)，性能安穩(wěn)可靠，價(jià)格低廉。無(wú)需實(shí)流校準(zhǔn)就可使用，這在流量計(jì)中是罕見(jiàn)的。（3）對(duì)振蕩不活絡(luò)，抗干擾才能格外優(yōu)勝。（4）高溫高壓大口徑和小流量均適用，徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā)。流量計(jì)可以水平和垂直安裝，徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā)，但是應(yīng)該確保避免沉積物和氣泡對(duì)測(cè)量電極的影響，電極軸向保持水平為好。徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā),流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289067451760/3371916.png"></div><p style="text-indent:25px">孔板流量計(jì)如何標(biāo)定▲孔板計(jì)算采用國(guó)際標(biāo)準(zhǔn)與加工▲孔板流量計(jì)應(yīng)用范圍廣，全部單相流皆可測(cè)量，部分混相流亦可應(yīng)用?！鴺?biāo)準(zhǔn)型節(jié)流裝置無(wú)須實(shí)流校準(zhǔn)，即可投用?！惑w型孔板流量計(jì)安裝更簡(jiǎn)單，無(wú)須引壓管，可直接接差壓變送器和壓力變送器。智能型孔板流量計(jì)特點(diǎn)▲采用進(jìn)口單晶硅智能差壓傳感器▲高精度，完善的自診斷功能▲智能孔板流量計(jì)智能孔板流量計(jì)其量程可自編程調(diào)整?！悄芸装辶髁坑?jì)可同時(shí)顯示累計(jì)流量、瞬時(shí)流量、壓力、溫度?！哂性诰€、動(dòng)態(tài)全補(bǔ)償功能外，智能孔板流量計(jì)還具有自診斷、自行設(shè)定量程。▲配有多種通訊接口▲穩(wěn)定性高▲量程范圍寬、大于10：1智能型孔板流量計(jì)技術(shù)指標(biāo)▲高精度：±0.075%▲高穩(wěn)定性：優(yōu)于0.1%FS/年▲高靜壓：40MPa▲連續(xù)工作5年不需調(diào)?！珊雎詼囟?、靜壓影響徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā)在一定的流量范圍內(nèi)，渦輪的轉(zhuǎn)速與流體的流速成正比。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā),流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289052754481/5890853.png"></div><p style="text-indent:25px">差壓式流量計(jì)的組成差壓式(也稱節(jié)流式)流量計(jì)是基于流體流動(dòng)的節(jié)流原理，利用流體經(jīng)節(jié)流裝置時(shí)產(chǎn)生的壓力差而實(shí)現(xiàn)流量測(cè)量的。差壓式流量計(jì)一般是由能將流體的流量變換成差壓信號(hào)的節(jié)流量(孔扳、噴嘴)和用來(lái)測(cè)量壓差值的差壓計(jì)或差壓變送器及顯示儀表組成。這種流量計(jì)，目前在化工、煉油及其它工業(yè)中應(yīng)用很廣，應(yīng)用的歷史也較長(zhǎng)久，因此已經(jīng)積累了豐富的實(shí)踐經(jīng)驗(yàn)和完整的實(shí)驗(yàn)資料。對(duì)于常用的孔板、噴嘴等節(jié)流裝置，國(guó)內(nèi)外已把它們標(biāo)準(zhǔn)化了，并稱為“標(biāo)準(zhǔn)節(jié)流裝置”。因此,這種流量計(jì)所用的標(biāo)準(zhǔn)節(jié)流裝置可以根據(jù)計(jì)算結(jié)果直接投入制造和使用，不必用實(shí)驗(yàn)方法進(jìn)行單獨(dú)標(biāo)定。但對(duì)于非標(biāo)準(zhǔn)化的特殊節(jié)流裝置,在使用時(shí)，均應(yīng)進(jìn)行個(gè)別標(biāo)定。</p><p style="text-indent:25px">V錐流量計(jì)特點(diǎn)V錐流量計(jì)是從2000年左右才在中國(guó)國(guó)內(nèi)出現(xiàn)的流量計(jì)。其工作原理和孔板流量計(jì)相同。介質(zhì)通過(guò)V錐時(shí),由于阻流件V錐的存在,使得流體的流過(guò)面積發(fā)生變化,流速發(fā)生變化,根據(jù)伯努利方程,流速變化引起了壓力的變化,該壓力的變化與流速之間有一定的關(guān)系。通過(guò)測(cè)量該壓力差達(dá)到測(cè)量流量的目的。雖然與孔板原理一樣,但是本質(zhì)的區(qū)別在于孔板為中心收縮型節(jié)流裝置,而V錐為邊壁收縮型節(jié)流裝置。眾所周知,測(cè)量范圍窄是制約孔板使用的主要原因。測(cè)量范圍窄的主要原因是:孔板的流量系數(shù)隨雷諾數(shù)的變化而變化較大,孔板的突然節(jié)流導(dǎo)致孔板后發(fā)生比較大的漩渦,該漩渦的存在直接導(dǎo)致信號(hào)噪聲比較大,從而限制了它的測(cè)量范圍。而V錐流量計(jì)克服了以上缺點(diǎn)。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><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā),流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436288996836659/3226440.png"></div><p style="text-indent:25px">使用的用途現(xiàn)在有非常多不錯(cuò)的產(chǎn)品都是可以進(jìn)行使用的，使用起來(lái)也很方便，這一點(diǎn)安全沒(méi)有什么問(wèn)題，而像孔板流量計(jì)的話，這款設(shè)備使用起來(lái)效率還是很高的，因?yàn)榭梢詼y(cè)量出準(zhǔn)確的結(jié)果，所以使用的用途也很*，在蒸汽、氣體、液體等介質(zhì)的測(cè)量中都可以發(fā)揮出作用，因此電工、化工、冶金、石油等范圍都可以進(jìn)行使用。要如何選購(gòu)現(xiàn)在可以購(gòu)買的各種設(shè)備真的非常豐富，種類也很多，在這樣的情況下，需要注意的事情也是很多的，這一點(diǎn)可以信賴，而說(shuō)到了孔板流量計(jì)的話，這一款設(shè)備使用起來(lái)也很方便，選購(gòu)的過(guò)程中，只要注意使用的領(lǐng)域是哪里，而且使用的管道類型，即可選擇到合適的測(cè)量計(jì)，其次是要關(guān)注一下使用的環(huán)境，選擇正確的型號(hào)，保證使用后的性能?，F(xiàn)在有非常多測(cè)量設(shè)備都會(huì)獲得普及使用，像孔板流量計(jì)的話，因?yàn)槭褂玫男阅懿诲e(cuò)，所以現(xiàn)在才會(huì)被普及頻繁的進(jìn)行使用，使用效果是很不錯(cuò)的，這一點(diǎn)值得信賴。孔板流量計(jì)的節(jié)流裝置結(jié)構(gòu)簡(jiǎn)單，且牢固、性能穩(wěn)定可靠，是工業(yè)中常用到的流量測(cè)量?jī)x表；浙江插入式巴類流量計(jì)供貨廠</p><p style="text-indent:25px">孔板流量計(jì)孔板計(jì)算采用國(guó)際標(biāo)準(zhǔn)與加工；徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā)</p><p style="text-indent:25px">保證孔板流量計(jì)測(cè)量精度：1、對(duì)孔板流量計(jì)的溫度影響及其修正，流體的溫度變化引起密度變化，壓差與流量的關(guān)系發(fā)生變化，其次，溫度變化引起配管內(nèi)徑、孔板的變化，溫度變化的修正，用溫度計(jì)測(cè)量現(xiàn)場(chǎng)溫度，輸入二次計(jì)，計(jì)算溫度變化引起的誤差；2，蒸汽質(zhì)量流量的計(jì)算，孔板流量計(jì)測(cè)量蒸汽時(shí)，先由差壓信號(hào)求得流量值，再由蒸汽溫度，壓力值查表得出密度，來(lái)計(jì)算蒸汽流量質(zhì)量。3，孔板流量計(jì)進(jìn)行逐臺(tái)標(biāo)定。大家都知道，標(biāo)準(zhǔn)孔板只要設(shè)計(jì)制造參照相關(guān)標(biāo)準(zhǔn)，不需要實(shí)流標(biāo)定就可以直接使用。流出系數(shù)可以用軟件直接算出，但計(jì)算機(jī)的計(jì)算還是理想的，與現(xiàn)場(chǎng)環(huán)境有一定程度的差異，為了保證測(cè)量精度，建議對(duì)每個(gè)流量計(jì)進(jìn)行實(shí)際流標(biāo)定，將標(biāo)定的流出系數(shù)與計(jì)算結(jié)果進(jìn)行比較，算出出差值，進(jìn)行修正。4，可膨脹性校正。用孔板流量計(jì)測(cè)量蒸汽、氣體流量時(shí)，流體的膨脹性需要補(bǔ)正。具體的補(bǔ)正系數(shù)請(qǐng)參照光圈裝置設(shè)計(jì)手冊(cè)。5、雷諾數(shù)的修正，孔板流量計(jì)的流量系數(shù)與雷諾數(shù)之間有確定的關(guān)系，質(zhì)量流量變化時(shí)雷諾數(shù)成比例變化，引起流量系數(shù)變化。徐州金屬轉(zhuǎn)子流量計(jì)廠家批發(fā)</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2574543.html</p></div></div></div></div></div><div id="i8qda98" class="page-right 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