河南長頸噴嘴流量計銷售廠家 **** 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="孔板流量計屬于差壓式流量計的一種。它具有結(jié)構(gòu)簡單，維修方便，性能穩(wěn)定等特點。現(xiàn)如今孔板流量計被適用于煤炭、化工、交通、建筑、輕紡、食品、醫(yī)藥、農(nóng)業(yè)、環(huán)境保護等各個領(lǐng)域。一、工作原理充滿管道的流體流經(jīng)管道內(nèi)的節(jié)流裝置，在節(jié)流件附近造成局部收縮"><meta name="keywords" content="河南長頸噴嘴流量計銷售廠家,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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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="dnlx8vk" 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: </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="8yuvo3r" class="page-proshow02"><p class="title">詳細說明</p><div id="sh3b3ku" class="box"><p><p style="text-indent:25px">孔板流量計屬于差壓式流量計的一種。它具有結(jié)構(gòu)簡單，維修方便，性能穩(wěn)定等特點?，F(xiàn)如今孔板流量計被適用于煤炭、化工、交通、建筑、輕紡、食品、醫(yī)藥、農(nóng)業(yè)、環(huán)境保護等各個領(lǐng)域。一、工作原理充滿管道的流體流經(jīng)管道內(nèi)的節(jié)流裝置，在節(jié)流件附近造成局部收縮，流速增加，河南長頸噴嘴流量計銷售廠家，在其上、下游兩側(cè)產(chǎn)生靜壓力差，河南長頸噴嘴流量計銷售廠家，河南長頸噴嘴流量計銷售廠家。在已知有關(guān)參數(shù)的條件下，根據(jù)流動連續(xù)性原理和伯努利方程可以推導(dǎo)出差壓與流量之間的關(guān)系而求得流量。其基本公式如下：c－流出系數(shù)無量綱d－工作條件下節(jié)流件的節(jié)流孔或喉部直徑D－工作條件下上游管道內(nèi)徑qm－質(zhì)量流量Kg/sqv－體積流量m3/s?－直徑比d/D無量綱流體的密度Kg/m3可膨脹性系數(shù)無量綱固定式超聲波流量計用于安裝在某一固定方位，對某一特定管道內(nèi)流體的流量進行長時間不間斷的計量；河南長頸噴嘴流量計銷售廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南長頸噴嘴流量計銷售廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436288996836659/3226440.png"></div><p style="text-indent:25px"> 質(zhì)量流量計安裝要求1、安裝位置的選擇應(yīng)避免電磁干擾。傳感器、變送器的安裝位置以及電纜鋪設(shè)應(yīng)盡量遠離易產(chǎn)生強電磁場的設(shè)備，如大功率馬達、變壓器設(shè)施、變頻設(shè)備等。2、質(zhì)量流量傳感器安裝應(yīng)使傳感器流向標(biāo)識與流體流向一致。并使箭頭指向與變送器內(nèi)部組態(tài)的流量方向一致。(注：質(zhì)量流量計可以雙向使用。如果安裝方向與實際流向相反，修改變送器內(nèi)的流向組態(tài)即可。)3、質(zhì)量流量計是根據(jù)測量管振動原理測量的流量儀表，因此傳感器安裝時應(yīng)考慮在兩側(cè)的工藝管道近法蘭處(約2～10倍管徑處)做堅固的支撐，避免儀表及相關(guān)管路產(chǎn)生震動。若強烈的管道振動不可避免時，建議用柔性管將管道系統(tǒng)與儀表傳感器隔離。4、因質(zhì)量流量計是依據(jù)科氏力原理工作的，為避免重力對計量精度的影響。質(zhì)量流量計的測量管無論是向上還是向下安裝，都要盡量使測量管與地平面保持垂直或水平。5、安裝時連接法蘭面應(yīng)相互平行，應(yīng)使兩個法蘭的中心位于同一軸線避免產(chǎn)生附加應(yīng)力。嚴禁用傳感器硬行拉直上、下游工藝管道，否則將影響測量甚至損壞傳感器。6、在傳感器的上、下游管道上，建議安裝截止閥及旁路以方便調(diào)零、日常維護及確保傳感器在不工作時亦可處于滿管狀態(tài)。河南長頸噴嘴流量計銷售廠家質(zhì)量流量計額安裝時建議在流量計進口處加過濾器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南長頸噴嘴流量計銷售廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289238506436/7289599.png"></div><p> 智能電磁流量計是60年代興起的一種流量儀表，因為它是根據(jù)傳統(tǒng)的物理電磁感應(yīng)原理制成的，擁有著非常獨特的特點，所以被的應(yīng)用到生產(chǎn)的各個領(lǐng)域，它的工作原理非常的簡單，如果發(fā)生故障，維修起來也非常的方便，適合所有的工廠使用。1、連續(xù)浸水防護等級IP68型：給排水、污水處理安裝地大多為地下管線的害井內(nèi)，雨水、地下滲水常使流量計浸于水中，或冬季結(jié)露，降低接線端子和線圈的絕緣強度，影響產(chǎn)品性能并縮短流量計使用壽命。2、潛水型：用于明渠流量測量，替代傳統(tǒng)堪板式流量計。3、防爆型：使用于在具有可**性氣體環(huán)境條件下，如化工、煤礦、油田使用。4、衛(wèi)生型：容易拆卸沖洗消毒，可快速安裝，適用于食品、醫(yī)藥部門使用。5、高壓型：對于石油化工的鉆井循環(huán)泥漿、固井水泥漿、采油工藝的高壓注水等。6、一般型：適用于除上所述的，一般的用途。 </p> <p> <br /> </p> <p> <br /> </p><p style="text-indent:25px"> 智能電磁流量計傳感器接地很重要，尤其在管道存在雜散電流干擾時，只有良好的接地保護，才能使智能電磁流量計準(zhǔn)確地測量。也許在沒有這種干擾的環(huán)境里，不接地并不影響流量計準(zhǔn)確測量，但是一旦環(huán)境改變，即造成流量計不能準(zhǔn)確穩(wěn)定地工作，所以我們在安裝時比較好做好傳感器接地保護，給智能電磁流量計創(chuàng)造一個良好的工作環(huán)境。接地環(huán)分為普通型和保護型，一般是使用普通型，若被測介質(zhì)是磨損性的，宜使用帶頸的保護接地環(huán)。以保護進口端的襯里，延長使用壽命。若口徑在200mm以下的智能電磁流量計，選用聚四氟乙烯襯里時，應(yīng)選用接地環(huán)，以保證在管道連接安裝時保護襯里不受損壞，接地環(huán)通常是不銹鋼或Hc合金的。電磁流量計應(yīng)用領(lǐng)域,大口徑儀表較多應(yīng)用于給排水工程；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南長頸噴嘴流量計銷售廠家,流量計" src="https://tyunfile.71360.com/UploadFile/jszhck/637436289134746609/1367639.png"></div><p> 智能電磁流量計因為結(jié)構(gòu)簡單，流量計外殼、被測流體和管道連接法蘭三者之間應(yīng)做等電位連接，并應(yīng)接地；沒有可以動彈的部件，并且也沒有任何可以組織流體進入到儀器的結(jié)構(gòu)，所以在進行測量時，沒有太多的能量損失，對于測試結(jié)果誤差較小。在垂直的管道上安裝時，被測流體的流向應(yīng)自下而上，在水平的管道上安裝時，兩個測量電極不應(yīng)在管道的正上方和正下方位置；此外因為這種獨特的設(shè)計結(jié)構(gòu)，儀器在使用一段時間后不會發(fā)生堵塞等故障。這種智能電磁流量計在進行測量時不會受到，流體的粘度和密度的影響，因此智能電磁流量計只需經(jīng)過水準(zhǔn)標(biāo)定以后就可以對流體進行測量。除此之外，這種儀器沒有機械的慣性，流量計上游直管段長度和安裝支撐方式應(yīng)符合設(shè)計文件要求?？梢苑浅：玫膶崿F(xiàn)對流體的制動，反應(yīng)非常靈敏，可以瞬時間測得大量流體的數(shù)據(jù)。 </p> <p> <br /> </p> <p> <br /> 電磁流量計是根據(jù)法拉弟電磁感應(yīng)定律制成的一種測量導(dǎo)電性液體的儀表。河南長頸噴嘴流量計銷售廠家</p><p style="text-indent:25px">電磁流量計的應(yīng)用有一定局限性，它只能測量導(dǎo)電介質(zhì)的液體流量，不能測量非導(dǎo)電介質(zhì)的流量；河南長頸噴嘴流量計銷售廠家</p><p style="text-indent:25px">浮子流量計浮子流量計,又稱轉(zhuǎn)子流量計,是變面積式流量計的一種,在一根由下向上擴大的垂直錐管中,圓形橫截面的浮子的重力是由液體動力承受的,從而使浮子可以在錐管內(nèi)自由地上升和下降。浮子流量計是僅次于差壓式流量計應(yīng)用范圍寬廣的一類流量計,特別在小、微流量方面有舉足輕重的作用。80年代中期,日本、西歐、美國的銷售金額占流量儀表的15%~20%。我國產(chǎn)量1990年估計在12~14萬臺,其中95%以上為玻璃錐管浮子流量計。特點:(1)玻璃錐管浮子流量計結(jié)構(gòu)簡單,使用方便,缺點是耐壓力低,有玻璃管易碎的較大風(fēng)險;(2)適用于小管徑和低流速;(3)壓力損失較低。河南長頸噴嘴流量計銷售廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2710808.html</p></div></div></div></div></div><div id="3sja8ef" class="page-right twoColRt"><div id="f9aibmn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fkfb8w2" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="julsl2z" class="recomPic 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