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class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363666583388672/3087583.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="x3l2krt" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363666583388672/3087583.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qumjgn7" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>海南減溫減壓裝置有什么作用,減溫減壓裝置</p><p><span>***更新：</span>2020-11-10 02:19:06</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="bjg23wt" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海大田閥門管道工程有限公司</a></p><p><span>聯(lián)系人：</span>余璐辰</p><p><span>郵箱: </span>business@dtjt.com</p><p><span>電話: </span>18621060309</p><p><span>傳真: </span>21_</p><p><span>網(wǎng)址: </span>https://www.dtjt.com</p><p><span>手機: </span>21-68106370</p><p><span>地址: </span>祝橋鎮(zhèn)工業(yè)城</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="p78wbsu" class="page-proshow02"><p class="title">詳細說明</p><div id="tx7spmt" class="box"><p><p style="text-indent:25px">減溫減壓裝置進出口不在同一水平線上，體型偏大、成本較高。第三代和第四代減溫減壓裝置都是單調(diào)節(jié)式，不能滿足復(fù)雜工藝參數(shù)的使用要求。減溫減壓裝置工作原理：1、減溫原理，減溫的基本原理是將減溫水直接噴入過熱蒸汽，經(jīng)噴嘴霧化的減溫水從蒸汽中吸收熱量、升溫、汽化與蒸汽混合，從而達到降低蒸汽溫度的作用。為了提高蒸汽品質(zhì)，一般減溫后的蒸汽溫度應(yīng)控制在高于飽和蒸汽溫度5℃以上。2、減壓原理，減壓的工作原理是蒸汽通過減溫減壓閥（減壓閥）或節(jié)流孔板（節(jié)流罩），海南減溫減壓裝置有什么作用，流通面積減少，使蒸汽動能增加造成壓力損失，海南減溫減壓裝置有什么作用，海南減溫減壓裝置有什么作用，蒸汽的壓力能隨之減少而達到減壓的目的。減溫減壓裝置不要依靠閥門支持其它重物，不要在閥門上站立。海南減溫減壓裝置有什么作用</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南減溫減壓裝置有什么作用,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666583388672/3087583.png"></div><p style="text-indent:25px">減溫減壓裝置應(yīng)急處理1、當設(shè)計流量很大，而實際使用流量低于設(shè)計流量的10%時，應(yīng)由自動控制狀態(tài)切換到手動控制狀態(tài)，用手操控制減溫減壓閥和給水調(diào)節(jié)閥，同時，關(guān)小入口切斷閥來控制流量，防止裝置的異常升壓。2、當用戶用汽量迅速減少時，會造成裝置的異常升壓，影響安穩(wěn)。此時，不能通過關(guān)小減溫減壓裝置出口處的切斷閥來控制流量，而應(yīng)通過逐步關(guān)小減溫減壓裝置入口處的切斷閥來控制流量。應(yīng)將自動控制狀態(tài)切換到手動控制狀態(tài)，用手操控制減溫減壓閥和給水調(diào)節(jié)閥來控制流量。江蘇減溫裝置報價多少錢減溫減壓裝置是將高溫高壓蒸汽降為客戶能夠使用的低壓低溫蒸汽(可為過熱蒸汽)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南減溫減壓裝置有什么作用,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665574609375/7235091.png"></div><p style="text-indent:25px">減溫減壓裝置的構(gòu)造類型很多，以往常見的有薄膜式、內(nèi)彈簧活塞式等。減溫減壓裝置的基本作用原理是靠閥內(nèi)流道對水流的局部阻力降低水壓，水壓降的范圍由連接閥瓣的薄膜或活塞兩側(cè)的進出口水壓差自動調(diào)節(jié)。近年來又出現(xiàn)一些新型減溫減壓裝置，如定比式減溫減壓裝置。定比減壓原理是利用閥體中浮動活塞的水壓比控制，進出口端減壓比與進出口側(cè)活塞面積比成反比。這種減溫減壓裝置工作平穩(wěn)無振動；閥體內(nèi)無彈簧，故無彈簧銹蝕、金屬疲勞失效之慮；密封性能良好不滲漏，因而既減動壓（水流動時）又減靜壓（流量為0時）；特別是在減壓的同時不影響水流量。減溫減壓裝置通常有DN50～DN100等多種規(guī)格，閥前、后的工作壓力分別為＜1MPa和0．1～0．5MPa，調(diào)壓范圍誤差為±5％～10％。</p><p style="text-indent:25px">減溫減壓裝置監(jiān)控系統(tǒng)的另一個重要任務(wù)是對裝置進行自動保護，自動保護包括安穩(wěn)保護和自動連鎖。對于自動化裝置，為達到其安穩(wěn)、可靠的運行和無人管理的目的，在正常運行過程中產(chǎn)生異常情況，要求相應(yīng)的元件能監(jiān)測到故障產(chǎn)生的原因，并自動停止裝置的運行和發(fā)出聲光報警，這就是安穩(wěn)保護的目的。減溫減壓裝置的安穩(wěn)保護包括二次蒸汽壓力過高、溫度過高自動保護。自動連鎖包括啟動、停機等功能的連鎖。減溫減壓裝置的作用是將電站或鍋爐以及熱電廠等處輸來的一次蒸汽進行減溫減壓處理，使二次蒸汽參數(shù)滿足生產(chǎn)工藝的要求。減溫減壓裝置為防止二次蒸汽壓力超過規(guī)定值，自動打開安全閥使多余蒸汽排放。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南減溫減壓裝置有什么作用,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666223652344/836920.png"></div><p style="text-indent:25px">一般而言，減溫減壓裝置在使用前都需要進行吹洗來處理管道內(nèi)的污漬。在行業(yè)內(nèi)，吹洗措施應(yīng)經(jīng)過相關(guān)部門的批準，需符合地區(qū)相關(guān)技術(shù)安穩(wěn)的規(guī)范。蒸汽管道部分用不高于減溫減壓裝置出口蒸汽壓力的蒸汽進行吹洗;減溫水部分管路系統(tǒng)用不高于減溫水壓力的水進行清洗。吹掃前管道須預(yù)熱和管道疏水。為了避免蒸汽管道吹洗時的污垢和雜物進入減溫減壓閥(或減壓閥)內(nèi)，在吹掃時應(yīng)分階段進行。先對減溫減壓裝置前面的管路吹洗，吹洗二次以上，確認干凈后接通減溫減壓閥(或減壓閥)。減溫減壓裝置當需要完成直線運動時，需要通過齒輪等機械裝置進行傳動。貴州減溫減壓裝置怎么樣</p><p style="text-indent:25px">減溫減壓裝置在組裝后要進行測試。海南減溫減壓裝置有什么作用</p><p style="text-indent:25px">減溫減壓裝置，閥對流量的控制可以分為兩種。一種是開關(guān)控制，一種是連續(xù)控制，伺服閥和其它閥不同的是，它的能量損失更大一些，因為它需要一定的流量來維持前置級控制油路的工作。一種是開關(guān)控制：要么全開、要么全關(guān)，流量要么大、要么小，沒有中間狀態(tài)，如普通的電磁直通閥、電磁換向閥、電液換向閥。另一種是連續(xù)控制：閥口可以根據(jù)需要打開任意一個開度，由此控制通過流量的大小，這類閥有手動控制的，如節(jié)流閥，也有電控的，如減溫減壓裝置、伺服閥。海南減溫減壓裝置有什么作用</p><p style="text-indent:25px">上海大田閥門管道工程有限公司主要經(jīng)營范圍是機械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團隊和良好的市場口碑。公司業(yè)務(wù)分為調(diào)節(jié)閥，自動再循環(huán)閥，減溫減壓裝置，閘閥等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供良好的產(chǎn)品和服務(wù)。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于機械及行業(yè)設(shè)備行業(yè)的發(fā)展。大田閥門憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1922343.html</p></div></div></div></div></div><div id="gaspht2" class="page-right twoColRt"><div id="3i3hj2w" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cryqs8k" 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="cro8v32" class="recomPic 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