甘肅減溫減壓裝置工作原理歡迎來電上海大田閥門管道工程供應(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="減溫減壓裝置安裝須嚴(yán)格按圖樣要求和相關(guān)標(biāo)準(zhǔn)規(guī)范進(jìn)行安裝；減溫減壓裝置入口、出口處均需安裝切斷閥（閘閥、截止閥、球閥等閥門）；安全閥蒸汽管道正下方必須安裝固定支座，以防止安全閥開啟后排汽反作用力對(duì)裝置造成的損害；用戶自行配設(shè)的與減溫減壓閥連接"><meta name="keywords" content="甘肅減溫減壓裝置工作原理,減溫減壓裝置"><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 http-equiv="Cache-Control" 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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>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>甘肅減溫減壓裝置工作原理,減溫減壓裝置</p><p><span>***更新：</span>2020-12-09 04:16:08</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="dczbtvn" 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(jī): </span>21-68106370</p><p><span>地址: </span>祝橋鎮(zhèn)工業(yè)城</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="2hewdfh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ztln2e2" class="box"><p><p style="text-indent:25px">減溫減壓裝置安裝須嚴(yán)格按圖樣要求和相關(guān)標(biāo)準(zhǔn)規(guī)范進(jìn)行安裝；減溫減壓裝置入口、出口處均需安裝切斷閥（閘閥、截止閥、球閥等閥門）；安全閥蒸汽管道正下方必須安裝固定支座，以防止安全閥開啟后排汽反作用力對(duì)裝置造成的損害；用戶自行配設(shè)的與減溫減壓閥連接的管道處應(yīng)安裝活動(dòng)支座，以防止管道振動(dòng)；安全閥出口處應(yīng)裝設(shè)排汽管，直通安全排放地點(diǎn)，排汽管上不允許裝設(shè)閥門，排汽管應(yīng)有足夠的流通截面積，保證排汽暢通。為避免排汽管道載荷集中在安全閥上，而影響安全閥性能，排放出口管道必須安裝支吊架，支吊架位置應(yīng)正確，安裝須牢固，甘肅減溫減壓裝置工作原理，甘肅減溫減壓裝置工作原理，甘肅減溫減壓裝置工作原理，并與管子接觸良好。減溫減壓裝置前后應(yīng)安裝截止閥、過濾閥，并加旁通以便檢修。甘肅減溫減壓裝置工作原理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅減溫減壓裝置工作原理,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666331748047/3049921.png"></div><p style="text-indent:25px">調(diào)壓閥基本可以說是減溫減壓裝置，減溫減壓裝置的工作原理如下：高壓介質(zhì)通過一個(gè)小孔充到一個(gè)相對(duì)較大的腔里實(shí)現(xiàn)減壓，實(shí)際上是靠截流減壓，膜片或活塞的兩面一面是出口腔，一面是人為給的壓力，并且控制小孔大小的閥桿和膜片(活塞)相連，這樣只要給一個(gè)固定的壓力，那么出口腔的壓力就會(huì)一直等于這個(gè)壓力，這個(gè)認(rèn)為給定的壓力可以有彈簧或氣源或液壓源來提供。它的斷面鑒別：對(duì)蝶閥樣品進(jìn)行切割，從其斷面上的色澤、晶粒等特性可以分辨出閥門材質(zhì)中各種元素的含量，但這個(gè)方法往往需要有一定金屬材料制造經(jīng)驗(yàn)的人才能做到。湖州減溫減壓裝置生產(chǎn)廠家有哪些減溫減壓裝置目的是將減溫減壓后的蒸汽送入用戶需要的管道上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅減溫減壓裝置工作原理,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665996337891/5187919.png"></div><p style="text-indent:25px">減溫減壓裝置可對(duì)電站或工業(yè)鍋爐以及熱電廠等處輸送來的蒸汽進(jìn)行減溫和減壓，使蒸汽溫度和壓力達(dá)到生產(chǎn)工藝所需的要求。減溫減壓閥是減溫減壓裝置中的關(guān)鍵部件，減溫減壓閥的性能直接影響整個(gè)減溫減壓裝置的性能。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(dá)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。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），流通面積減少，使蒸汽動(dòng)能增加造成壓力損失，蒸汽的壓力能隨之減少而達(dá)到減壓的目的。</p><p style="text-indent:25px">減溫減壓裝置運(yùn)行前的準(zhǔn)備工作：必須檢查管道上各法蘭之間、法蘭和附件之間的連接、各閥門的啟閉、及安全閥的動(dòng)作是否正常；檢查各儀表是否完好，確認(rèn)各儀表電路已接通。關(guān)閉蒸汽進(jìn)口處的閘閥和減溫水進(jìn)口處的截止閥，用手動(dòng)操作電動(dòng)執(zhí)行器，驗(yàn)證減壓閥及給水調(diào)節(jié)閥的行程、閥門全開及全閉時(shí)的位置與電動(dòng)執(zhí)行器行程是否一致。然后確定閥門和電動(dòng)執(zhí)行器是否可投入正常運(yùn)行。運(yùn)行前，本裝置及通向用戶的管道和附件均須進(jìn)行預(yù)熱。預(yù)熱程序是：將減壓閥稍微開啟（約全行程5%），關(guān)閉減溫水進(jìn)口處的截止閥，然后慢慢地打開進(jìn)口處閘閥，輸入新蒸汽進(jìn)行預(yù)熱。預(yù)熱時(shí)蒸汽壓力應(yīng)在0.02~0.05Mpa之間，預(yù)熱時(shí)間>60分鐘。無論一次蒸汽壓力如何波動(dòng)，均能保持二次正氣壓力穩(wěn)定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅減溫減壓裝置工作原理,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665574609375/7235091.png"></div><p style="text-indent:25px">水流量通過減溫減壓裝置雖有很大的水頭損失，但由于減少了水的浪費(fèi)并使系統(tǒng)流量分布合理、改善了系統(tǒng)布局與工況，因此總體上仍是節(jié)能的。介質(zhì)為蒸汽的場合，宜選用先導(dǎo)活塞式減溫減壓裝置或先導(dǎo)閥波紋管式減溫減壓裝置。為了操作、調(diào)整和維修的方便，減溫減壓裝置一般應(yīng)安裝在水平管道上。減溫減壓裝置工作原理：減溫減壓裝置是采用控制閥體內(nèi)的啟閉件的開度來調(diào)節(jié)介質(zhì)的流量，將介質(zhì)的壓力降低，同時(shí)借助閥后壓力的作用調(diào)節(jié)啟閉件的開度，使閥后壓力保持在一定范圍內(nèi)，并在閥體內(nèi)或閥后噴入冷卻水，將介質(zhì)的溫度降低，這種閥門稱為減壓減溫閥。減溫減壓裝置其優(yōu)點(diǎn)是響應(yīng)時(shí)間快，通過反饋系統(tǒng)對(duì)速度，位置和轉(zhuǎn)矩進(jìn)行準(zhǔn)確地控制。中國臺(tái)灣減溫減壓裝置哪里有</p><p style="text-indent:25px">減溫減壓裝置安裝各閥門時(shí)須注意蒸汽和和減溫水的流向。甘肅減溫減壓裝置工作原理</p><p style="text-indent:25px">減溫減壓裝置根據(jù)一次（新）蒸汽壓力P1、溫度T1、可分為高溫高壓減溫減壓裝置、次高壓減溫減壓裝置、中溫中壓減溫減壓裝置；減溫減壓裝置根據(jù)使用情況又可分為減溫裝置、減壓裝置、減溫減壓裝置，減溫減壓裝置一般根據(jù)一次蒸汽（新蒸汽）和二次蒸汽（即減溫減壓后的蒸汽）的參數(shù)及用量進(jìn)行選擇，經(jīng)常運(yùn)行的減溫減壓裝置一般設(shè)置兩套，其中一套作為備用；不經(jīng)常運(yùn)行的減溫減壓裝置一般不考慮備用；備用的減溫減壓裝置應(yīng)處于熱備用狀態(tài)。設(shè)計(jì)計(jì)算時(shí)根據(jù)二次蒸汽的量確定進(jìn)入減溫減壓裝置的一次蒸汽和減溫水量，減溫水壓力、溫度應(yīng)滿足噴水及霧化的要求，水質(zhì)不低于蒸汽品質(zhì)。甘肅減溫減壓裝置工作原理</p><p style="text-indent:25px">上海大田閥門管道工程有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。大田閥門深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的調(diào)節(jié)閥，自動(dòng)再循環(huán)閥，減溫減壓裝置，閘閥。大田閥門不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。大田閥門始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使大田閥門在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2326419.html</p></div></div></div></div></div><div id="q7c87cr" class="page-right twoColRt"><div id="ujqn7eg" class="box01 margin10 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