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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>天津液體渦輪流量計(jì)廠(chǎng)家,流量計(jì)</p><p><span>***更新：</span>2021-01-08 10:12:21</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="ohjgvr8" 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="nwt8y78" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="nbdasug" class="box"><p><p> 電磁流量計(jì)的應(yīng)用有一定局限性，它只能測(cè)量導(dǎo)電介質(zhì)的液體流量，不能測(cè)量非導(dǎo)電介質(zhì)的流量，例如氣體和水處理較好的供熱用水。另外在高溫條件下其襯里需考慮，天津液體渦輪流量計(jì)廠(chǎng)家。 </p> <p> 電磁流量計(jì)是通過(guò)測(cè)量導(dǎo)電液體的速度確定工作狀態(tài)下的體積流量。按照計(jì)量要求，對(duì)于液態(tài)介質(zhì)，天津液體渦輪流量計(jì)廠(chǎng)家，應(yīng)測(cè)量質(zhì)量流量，測(cè)量介質(zhì)流量應(yīng)涉及到流體的密度，天津液體渦輪流量計(jì)廠(chǎng)家，不同流體介質(zhì)具有不同的密度，而且隨溫度變化。如果電磁流量計(jì)轉(zhuǎn)換器不考慮流體密度，*給出常溫狀態(tài)下的體積流量是不合適的。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；天津液體渦輪流量計(jì)廠(chǎng)家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津液體渦輪流量計(jì)廠(chǎng)家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289174834595/5651638.png"></div><p style="text-indent:25px">孔板流量計(jì)是對(duì)標(biāo)準(zhǔn)孔板的改進(jìn)，是集標(biāo)準(zhǔn)孔板和流動(dòng)調(diào)整器于一體的新型結(jié)構(gòu)節(jié)省裝置?？装辶髁坑?jì)的應(yīng)用于石油、化工、冶金、電力、供熱、供水等范疇的過(guò)程控制和丈量。食物、煤炭、交通、農(nóng)業(yè)、修建、輕紡、醫(yī)藥、、化工、環(huán)境保護(hù)及人民日常生活等國(guó)民經(jīng)濟(jì)各個(gè)范疇。是開(kāi)展工農(nóng)業(yè)生產(chǎn)，節(jié)約能源，進(jìn)步經(jīng)濟(jì)效益和管理水平的重要東西。在國(guó)民經(jīng)濟(jì)中具有較大作用?？装辶髁坑?jì)的優(yōu)缺陷剖析孔板流量計(jì)孔板流量計(jì)的長(zhǎng)處：孔板流量計(jì)無(wú)機(jī)械慣性，可丈量正反向的流量。可丈量臟污介質(zhì)、腐蝕性介質(zhì)以及懸濁性液固兩相流的流量?？烧闪扛邷馗邏航橘|(zhì)的流量，如高溫?zé)煔?，高溫高壓蒸汽?？装辶髁坑?jì)輸出信號(hào)只與管道均勻流速平方成正比，丈量范圍較寬。傳感器結(jié)構(gòu)簡(jiǎn)單，無(wú)可動(dòng)部件，是流量計(jì)中運(yùn)轉(zhuǎn)能耗較低的外表之一。孔板流量計(jì)是的流量外表，只需要經(jīng)過(guò)干標(biāo)定就可以用來(lái)丈量各種介質(zhì)的流量，孔板流量計(jì)的優(yōu)缺陷剖析孔板流量計(jì)孔板流量計(jì)的缺陷：精度較高，造價(jià)較高，配套組件較多。比較其他流量計(jì)壓力丟失較大點(diǎn)。比較其他流量計(jì)等裝置要求較高。天津液體渦輪流量計(jì)廠(chǎng)家質(zhì)量流量計(jì)由于流體的容積受溫度、壓力等參數(shù)的影響，用容積流量表示流量大小時(shí)需給出介質(zhì)的參數(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津液體渦輪流量計(jì)廠(chǎng)家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289067451760/3371916.png"></div><p style="text-indent:25px">渦街流量計(jì)與孔板流量計(jì)的技術(shù)對(duì)比①、渦街流量計(jì)的結(jié)構(gòu)相對(duì)簡(jiǎn)單主要由漩渦發(fā)生體、檢測(cè)元件、信號(hào)放大器三個(gè)元部件組成，而目前我們對(duì)渦街的漩渦發(fā)生體的研究已經(jīng)相當(dāng)成熟了，漩渦體以三角柱為優(yōu)等形態(tài)，同時(shí)渦街流量計(jì)也具有安裝簡(jiǎn)便，精度高，長(zhǎng)時(shí)間運(yùn)行穩(wěn)定等特點(diǎn)；②、現(xiàn)階段的孔板流量計(jì)技術(shù)水平還停留在以確定經(jīng)驗(yàn)公式為基礎(chǔ)，1980年國(guó)際標(biāo)準(zhǔn)化組織將R541與R781兩個(gè)標(biāo)準(zhǔn)合并成標(biāo)準(zhǔn)ISO5167（1980）；③、孔板流量計(jì)的結(jié)構(gòu)也較為簡(jiǎn)單、造價(jià)低、可靠等特點(diǎn)，孔板流量計(jì)幾乎可以測(cè)量所有介質(zhì)，并且配套差壓變速器使用，足以彌補(bǔ)其自身的不足之處；</p><p style="text-indent:25px">孔板流量計(jì)Z大壓差怎么積算孔板流量計(jì)Z大壓差怎么積算發(fā)布時(shí)間：2014-08-08點(diǎn)擊次數(shù)：1047新聞來(lái)源：孔板流量計(jì)前后產(chǎn)生一個(gè)靜壓力差,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.差壓信號(hào)傳送給差壓變送器,轉(zhuǎn)換成4-20ma.DC模擬信號(hào)輸出,遠(yuǎn)轉(zhuǎn)給流量積算儀,實(shí)現(xiàn)流體流量的計(jì)量.質(zhì)量型流量計(jì),利用智能型差壓變送器,對(duì)工況溫/壓進(jìn)行自動(dòng)補(bǔ)償后,實(shí)現(xiàn)對(duì)流體質(zhì)量流量的測(cè)量孔板流量計(jì)要送熱風(fēng)，熱風(fēng)爐離高爐一般比較近，且彎頭較多。過(guò)去曾使用標(biāo)準(zhǔn)孔板，因直管段不夠長(zhǎng)而誤差較大。本儀表因?yàn)橛芯鶋涵h(huán)和多個(gè)取壓口，需要10Ｄ長(zhǎng)的直管段即可。安裝在熱風(fēng)爐送風(fēng)管上之后，應(yīng)用情況非常滿(mǎn)意，已經(jīng)有三十幾座熱風(fēng)爐裝上了環(huán)形孔板流量計(jì)，運(yùn)行5年沒(méi)有故障。流量計(jì)傳感器上游也應(yīng)該有一定的直管段，一般在5D~10D。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津液體渦輪流量計(jì)廠(chǎng)家,流量計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289158887356/6747137.png"></div><p style="text-indent:25px">售價(jià)較高同種規(guī)格的V錐流量計(jì)的價(jià)格要高于孔板流量計(jì),但低于可更換孔板流量計(jì)。由于V錐的用料多、加工工藝復(fù)雜、標(biāo)定費(fèi)用高,使得其售價(jià)較高。但是在考慮流量計(jì)時(shí),初次購(gòu)買(mǎi)價(jià)及安裝費(fèi)用、儀表的可靠性、長(zhǎng)期維護(hù)費(fèi)用、長(zhǎng)久壓力損失等綜合因素的總評(píng)才是選取流量計(jì)的依據(jù),只有綜合考慮并權(quán)衡了以上這些重要因素,才能做到合理選型。如前所述,V錐流量計(jì)除了在初次購(gòu)買(mǎi)費(fèi)用上高于孔板流量計(jì)外,其他的費(fèi)用應(yīng)該與孔板流量計(jì)持平或低于孔板流量計(jì)。尤其是在補(bǔ)償壓力損失所需要的耗能方面,V錐流量計(jì)遠(yuǎn)遠(yuǎn)優(yōu)于孔板流量計(jì)。所以從長(zhǎng)遠(yuǎn)考慮,使用V錐流量計(jì)的綜合費(fèi)用要低于孔板流量計(jì)。使用可更換孔板的目的就是為了提高孔板的量程比。但是其價(jià)格昂貴。如果給V錐流量計(jì)配兩臺(tái)不同量程的變送器（壓力變送器、差壓變送器）,那么其量程比的擴(kuò)展要遠(yuǎn)大于可更換孔板流量計(jì),而其價(jià)格要遠(yuǎn)低于可更換孔板。3差壓較低由于V錐流量計(jì)的流出系數(shù)要大于孔板流量計(jì)的流出系數(shù),使得相同流量時(shí)孔板的差壓值要高于V錐的差壓值?？装辶髁坑?jì)的變送器一般都是用中差壓表,V錐流量計(jì)一般用低差壓表?？装辶髁坑?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。天津液體渦輪流量計(jì)廠(chǎng)家</p><p style="text-indent:25px">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)；天津液體渦輪流量計(jì)廠(chǎng)家</p><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。天津液體渦輪流量計(jì)廠(chǎng)家</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2757928.html</p></div></div></div></div></div><div id="uacegsp" class="page-right twoColRt"><div id="ujg3k77" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3bvmof3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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