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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>鎮(zhèn)江熱式氣體質(zhì)量流量計(jì)廠家哪家好,流量計(jì)</p><p><span>***更新：</span>2020-08-27 00:26:16</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="v3ebtq2" 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="vovcubv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="po3ykrd" class="box"><p><p> 水平管道基本安裝方式對(duì)于水平管道，測(cè)量氣體時(shí)推薦安裝在管道上方160度范圍內(nèi)，尤其對(duì)于有大量水粉的氣體時(shí)，我們只推薦這樣安裝;測(cè)量液體時(shí)推薦安裝在管道下方160度范圍內(nèi)，尤其對(duì)于含有大量氣體的液體時(shí)，我們只推薦這樣安裝;但有一點(diǎn)要注意，對(duì)于那些極易氣化的液體，如液態(tài)的烯烴類(lèi)介質(zhì)，安裝時(shí)插入方向同氣體，在管道上方。測(cè)量蒸汽時(shí)只推薦傳感器安裝在管道下方160度內(nèi)，并且要使傳感器處于整個(gè)測(cè)量裝置的比較高點(diǎn)。垂直管道基本安裝方式對(duì)于垂直管道，理論上可以在360度內(nèi)安裝。對(duì)于含有大量水分的濕氣體，推薦傳感器安裝時(shí)向上傾斜5度，如左圖所示。對(duì)于含有大量氣體的液體，推薦傳感器安裝時(shí)向下傾斜5度，如右圖所示。對(duì)于蒸汽，鎮(zhèn)江熱式氣體質(zhì)量流量計(jì)廠家哪家好，推薦傳感器安裝時(shí)下傾斜5度，如右圖，且傳感器應(yīng)該處于整個(gè)測(cè)量系統(tǒng)中的比較高點(diǎn)。威力巴安裝所需直管段小直管段要求—彎管后2D安裝如圖所示，鎮(zhèn)江熱式氣體質(zhì)量流量計(jì)廠家哪家好，鎮(zhèn)江熱式氣體質(zhì)量流量計(jì)廠家哪家好。當(dāng)管道上、下游的直管段不夠長(zhǎng)時(shí)，我們推薦在彎管后2倍管道內(nèi)徑處安裝威力巴，因在彎管后的流體剖面較復(fù)雜，需將流體系數(shù)K做適當(dāng)?shù)恼{(diào)整。調(diào)整K系數(shù)后，測(cè)量精度為±3%。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，使用期限長(zhǎng)；鎮(zhèn)江熱式氣體質(zhì)量流量計(jì)廠家哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江熱式氣體質(zhì)量流量計(jì)廠家哪家好,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312837371396484/5220548.png"></div><p> 超聲波流量計(jì)也是比較常見(jiàn)的流量計(jì)，它的安裝在所有流量計(jì)的安裝中是簡(jiǎn)單便捷的，只要選擇一個(gè)合適的測(cè)量點(diǎn)，把測(cè)量點(diǎn)處的管道參數(shù)輸入到流量計(jì)中，然后把探頭固定在管道上即可。 <span style="font-size:12px;"> </span> </p> <p> 安裝要點(diǎn) </p> <p> 1、選擇充滿(mǎn)流體的材質(zhì)均勻質(zhì)密、易于超聲波傳輸?shù)墓芏危绱怪惫芏位蛩焦芏巍?</p> <p> 2、安裝距離應(yīng)選擇上游大于10倍直管徑、下游大于5倍直管徑以?xún)?nèi)無(wú)任何閥門(mén)、彎頭、變徑等均勻的直管段，安裝點(diǎn)應(yīng)充分遠(yuǎn)離閥門(mén)、泵、高壓電和變頻器等干擾源。 </p> <p> 3、避免安裝在管道系統(tǒng)的比較高點(diǎn)或帶有自由出口的豎直管道上。 </p> <p> 4、對(duì)于開(kāi)口或半滿(mǎn)管的管道，流量計(jì)應(yīng)安裝在U型管段處。 </p> <p> 渦街流量計(jì) 湖北長(zhǎng)頸噴嘴流量計(jì)廠電磁流量計(jì)測(cè)量通道是段光滑直管,不會(huì)阻塞,適用于測(cè)量含固體顆粒的液固二相流體,如紙漿、泥漿、污水等;</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江熱式氣體質(zhì)量流量計(jì)廠家哪家好,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838092558593/9114396.png"></div><p> 孔板流量計(jì)分類(lèi) </p> <p> 1、標(biāo)準(zhǔn)孔板標(biāo)準(zhǔn)孔板是一類(lèi)規(guī)格多的標(biāo)準(zhǔn)節(jié)流裝置，廣泛應(yīng)用于各種流體特別是氣體流量測(cè)量中，孔板的結(jié)構(gòu)因壓力、通徑、取壓方式的不同而不同。 </p> <p> 2、標(biāo)準(zhǔn)孔板按常用取壓方式可分為角接取壓、法蘭取壓、徑距取壓三種類(lèi)型。 </p> <p> 2、圓缺孔板 </p> <p> 取壓方式：法蘭取壓 </p> <p> 3、偏心孔板 </p> <p> 取壓方式：角接取壓 </p> <p> 偏心孔板和圓缺孔板只適于安裝在水平或傾斜管道上，不能在垂直管道上使用。如被測(cè)流體中含有固體顆粒時(shí)，開(kāi)口或缺口應(yīng)置于下方；如液體中有氣體析出時(shí)，開(kāi)口或缺口應(yīng)置于上方；取壓口處在圓缺口或偏心開(kāi)孔和管道相切點(diǎn)的對(duì)面。 </p><p> 絕大部分轉(zhuǎn)子流量計(jì)必須垂直安裝在無(wú)振動(dòng)的管道上，不應(yīng)有明顯的傾斜，流體自下而上流過(guò)儀表。轉(zhuǎn)子流量計(jì)中心線與鉛垂線間夾角一般不超過(guò)5度，高精度()儀表θ≤20°。如果θ=12°則會(huì)產(chǎn)生1%附加誤差。儀表無(wú)嚴(yán)格上游直管段長(zhǎng)度要求，但也有制造廠要求(2-5)D長(zhǎng)度的，實(shí)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(guò)濾器。帶有磁性耦合的金屬管轉(zhuǎn)子流量計(jì)用于可能含磁鐵性雜質(zhì)流體時(shí)，應(yīng)在儀表前裝磁過(guò)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(cè)量值。3、轉(zhuǎn)子流量計(jì)擴(kuò)大范圍度的安裝如果測(cè)量要求的流量范圍度寬，范圍度超過(guò)10時(shí)，可以在一臺(tái)儀表內(nèi)放兩只不同形狀和重量的浮子，小流量時(shí)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。電磁流量計(jì)的測(cè)量原理不依賴(lài)流量的特性，如果管路內(nèi)有一定的湍流與漩渦產(chǎn)生在非測(cè)量區(qū)內(nèi)則與測(cè)量無(wú)關(guān)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江熱式氣體質(zhì)量流量計(jì)廠家哪家好,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637312838154365234/4789492.png"></div><p> 渦街流量計(jì)(USF)特點(diǎn) </p> <p> （1）抗振性能差。外來(lái)振動(dòng)會(huì)使渦街流量計(jì)產(chǎn)生測(cè)量誤差，甚至不能正常工作。通道流體高流速?zèng)_擊會(huì)使渦街發(fā)生體的懸臂產(chǎn)生附加振動(dòng)，使測(cè)量精度降低。大管徑影響更為明顯。 </p> <p> （2）對(duì)測(cè)量臟污介質(zhì)適應(yīng)性差。渦街流量計(jì)的發(fā)生體極易被介質(zhì)臟污或被污物纏繞，改變幾何體尺寸，對(duì)測(cè)量精度造成極大影響。 </p> <p> <span style="font-size:12px;">（3）直管段要求高。**指出，渦街流量計(jì)直管段一定要保證前 40D 后 **，才能滿(mǎn)足測(cè)量要求。</span> </p> <p> <span style="font-size:12px;">（4）耐溫性能差。渦街流量計(jì)一般只能測(cè)量 300℃以下介質(zhì)的流體流量。</span> 孔板流量計(jì)節(jié)流裝置結(jié)構(gòu)易于復(fù)制，簡(jiǎn)單、牢固，性能穩(wěn)定可靠，使用期限長(zhǎng)，價(jià)格低廉。湖北長(zhǎng)頸噴嘴流量計(jì)廠</p><p style="text-indent:25px">固定式超聲波流量計(jì)用于安裝在某一固定方位，對(duì)某一特定管道內(nèi)流體的流量進(jìn)行長(zhǎng)時(shí)間不間斷的計(jì)量；鎮(zhèn)江熱式氣體質(zhì)量流量計(jì)廠家哪家好</p><p> 孔板流量計(jì)安裝要求1、孔板在安裝前應(yīng)檢查節(jié)流裝置編號(hào)和尺寸是否符合管道安裝位置的要求。2、新裝管路系統(tǒng)，必須在管道沖洗和掃線后再進(jìn)行孔板的安裝。3、注意孔板安裝方向“+”號(hào)應(yīng)該向著流束。4、孔板中心應(yīng)該和管道中心線相重合，同心度誤差不得超過(guò)(1/β-1)的數(shù)值。5、孔板在管道中安裝時(shí)應(yīng)保證其端面與管道軸線垂直、垂直度誤差不得超過(guò)±1°。6、夾緊孔板用的密封墊片(包括環(huán)室與法蘭、環(huán)室與孔板間)，在夾緊后，不得突入管道內(nèi)壁。7、孔板安裝處必須嚴(yán)密，不允許有泄漏現(xiàn)象存在。因此，安裝工作必須在管道試壓前進(jìn)行。8、導(dǎo)壓管應(yīng)垂直或傾斜敷設(shè)，其傾度不得小于1:12。粘度較高的流體，其傾斜度還應(yīng)增大。當(dāng)差壓訊號(hào)傳送距離大于3米時(shí)，導(dǎo)壓管應(yīng)分段傾斜，并在各高點(diǎn)和低點(diǎn)分別裝設(shè)集氣器和沉降器。9、為了避免差壓訊號(hào)傳送失真，正負(fù)導(dǎo)壓管應(yīng)盡量靠近敷設(shè)，嚴(yán)寒地區(qū)還應(yīng)采取防凍措施?？刹捎秒姛峄蛘魵獗?，但要防止被測(cè)介質(zhì)過(guò)熱汽化和在導(dǎo)壓管中產(chǎn)生氣體造成假差壓。10、孔板安裝在垂直主管道上時(shí)，取壓口位置，可在取壓裝置的平面上任意選擇。孔板安裝在水平或傾斜的主管道內(nèi)，取壓口位置如圖四所示。11、導(dǎo)壓管按被測(cè)介質(zhì)的性質(zhì)而選擇耐壓、耐腐蝕的材料制造。鎮(zhèn)江熱式氣體質(zhì)量流量計(jì)廠家哪家好</p><p style="text-indent:25px">江蘇中徽測(cè)控儀表有限公司成立于2014-01-15，是一家貿(mào)易型的公司。江蘇中徽測(cè)控儀表致力于為客戶(hù)提供質(zhì)量的雷達(dá)料位計(jì)，雷達(dá)液位計(jì)，物位計(jì)，水位計(jì)，一切以用戶(hù)需求為中心，深受廣大客戶(hù)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，打造儀器儀表質(zhì)量品牌。公司立足于全國(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/1052809.html</p></div></div></div></div></div><div id="sm88ofr" class="page-right twoColRt"><div id="yifxjln" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fubdk7v" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="c8m2wya" class="recomPic likePro"><a 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