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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>減溫裝置生產(chǎn)廠家,減溫減壓裝置</p><p><span>***更新：</span>2021-01-25 02:11:24</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ntxtx59" 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(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="7prvz7b" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="p779xtx" class="box"><p><p style="text-indent:25px"> 減溫減壓裝置是一種自動降低管路工作壓力的專門裝置，它可將閥前管路較高的液體壓力減少至閥后管路所需的水平。這里的傳輸介質(zhì)主要是水。減溫減壓裝置普遍用于高層建筑，減溫裝置生產(chǎn)廠家、城市給水管網(wǎng)水壓過高的區(qū)域、礦井及其他場合，以保證給水系統(tǒng)中各用水點獲得適當(dāng)?shù)姆?wù)水壓和流量。鑒于水的漏失率和浪費程度幾乎同給水系統(tǒng)的水壓大小成正比，因此減溫減壓裝置具有改善系統(tǒng)運行工況和潛在節(jié)水作用，據(jù)統(tǒng)計其節(jié)水效果約為30%。減溫減壓裝置的構(gòu)造類型很多，減溫裝置生產(chǎn)廠家，以往常見的有薄膜式，減溫裝置生產(chǎn)廠家、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(jìn)出口水壓差自動調(diào)節(jié)。減溫減壓裝置通過改變流通面積達(dá)到調(diào)節(jié)壓力的目的.減溫裝置生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="減溫裝置生產(chǎn)廠家,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665996337891/5187919.png"></div><p style="text-indent:25px">運行前減溫減壓裝置及通向用戶的管道部件須預(yù)熱，以防止這些部件和零件產(chǎn)生附加應(yīng)力。預(yù)熱前，先將減溫減壓閥稍微開啟（約開啟總行程的2%），然后將切斷閥（減溫減壓閥前面）慢慢打開，利用入口蒸汽預(yù)熱減溫減壓閥、蒸汽管道、及通向用戶的管道和附件。預(yù)熱時蒸汽壓力不超過0.02~0.05Mpa，預(yù)熱時間根據(jù)整個裝置以及總長度來決定，但不能少于30分鐘。同時檢查給水壓力是否正常，如正常，可慢慢打開給水系統(tǒng)的截止閥和節(jié)流閥。減溫減壓裝置停止工作時，應(yīng)預(yù)先通告鍋爐房及用戶。先逐漸關(guān)閉入口處切斷閥，然后手動關(guān)閉減壓閥和給水調(diào)節(jié)閥，使蒸汽壓力和溫度漸漸降低，即時逐漸打開通往排水管的截止閥，使減溫水排放通暢。確認(rèn)斷汽后，關(guān)閉出口處切斷閥，再檢查入口處切斷閥關(guān)閉是否嚴(yán)密。減溫裝置生產(chǎn)廠家減溫減壓閥是減溫減壓裝置中的關(guān)鍵部件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="減溫裝置生產(chǎn)廠家,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665379863281/3223254.png"></div><p style="text-indent:25px"> 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減溫減壓裝置的性能?，F(xiàn)役減溫減壓閥基本上是雙座平衡式結(jié)構(gòu)的第三代減溫減壓閥和單座套筒式結(jié)構(gòu)的第四代減溫減壓閥，第三代減溫減壓閥是雙座結(jié)構(gòu)，不易密封，泄漏量大，第三代減溫減壓閥的減溫是在閥瓣上開小孔，減溫水的噴嘴流通面積不變，當(dāng)流量變化較大時，減溫水的霧化效果不能達(dá)到使用要求。第四代減溫減壓閥為單座套筒結(jié)構(gòu)，內(nèi)部采用霧化噴嘴，結(jié)構(gòu)復(fù)雜，內(nèi)腔容積較大，并且采用雙球結(jié)構(gòu)。</p><p style="text-indent:25px">減溫減壓裝置減溫減壓閥的減溫功能：同時，閥體內(nèi)的高溫和高壓蒸汽的溫度和壓力降低，并且蒸汽是自調(diào)節(jié)的。減壓元件為多孔籠狀結(jié)構(gòu)，并具有流罩和孔板以實現(xiàn)多級減壓。減壓級的數(shù)量由蒸汽入口和出口之間的壓力差確定，并且每個級中的壓力降低約一半，從而減少減壓。這樣可以減少節(jié)氣門的磨損，并減少高速蒸汽的振動和噪音。該閥一次在閥體內(nèi)集成了減壓，減溫和靜音三種功能，可避免因溫差過大而對零件造成過早損壞，并提高了閥的使用壽命。減溫供水系統(tǒng)：它由給水調(diào)節(jié)閥，止回閥，截止閥和供水管組成。供水調(diào)節(jié)閥的節(jié)流閥為籠式或多級節(jié)流閥，可承受較高的壓力差，并可避免高壓介質(zhì)通過小間隙發(fā)生氣蝕，從而導(dǎo)致閥座氣蝕和節(jié)流表面。銷毀并減少泄漏?？卓诔示€性排列，可以使用同一直徑調(diào)節(jié)閥的不同CV值來確保調(diào)節(jié)的準(zhǔn)確性和靈敏度。閘閥應(yīng)安裝在設(shè)備的入口處，以便打開和關(guān)閉。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="減溫裝置生產(chǎn)廠家,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665574609375/7235091.png"></div><p style="text-indent:25px">減溫減壓裝置由減溫減壓閥、過渡管及節(jié)流孔板、蒸汽管道(混合管道)、給水附件及安穩(wěn)附件組成。減壓過程通過減溫減壓閥(減壓閥)和孔板來調(diào)節(jié)蒸汽流通面積來實現(xiàn)，減溫過程是通過向蒸汽管道或減溫減壓閥內(nèi)噴水降溫來實現(xiàn)。減溫減壓閥是減溫減壓裝置中的關(guān)鍵部件，它的性能直接影響減溫減壓裝置二次蒸汽的工藝參數(shù)和裝置的使用效果及使用壽命。一般的減溫減壓閥由于采用的大多是笛型噴嘴，流量變工況時噴嘴水流速也隨之變化，特別是30%以下工況時很難滿足減溫的需要。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。減溫裝置生產(chǎn)廠家</p><p style="text-indent:25px">減溫減壓裝置后部管道低處應(yīng)安裝輸水閥。減溫裝置生產(chǎn)廠家</p><p style="text-indent:25px"> 減溫減壓裝置在選用安穩(wěn)閥的時候一般要注意以下規(guī)則：1、熱水鍋爐一般用不封閉帶扳手微啟式安穩(wěn)閥。2、蒸汽鍋爐或蒸汽管道一般用不封閉帶扳手全啟式安穩(wěn)閥或用安穩(wěn)泄放閥。3、水等液體不可壓縮介質(zhì)一般用封閉微啟式安穩(wěn)閥。如高壓給水加熱器、換熱器等。4、高壓給水一般用封閉全啟式安穩(wěn)閥。如儲氣罐、氣體管道等。5、氣體等可壓縮性介質(zhì)一般用封閉全啟式安穩(wěn)閥。6、E級蒸汽鍋爐一般用靜重式安穩(wěn)閥。大排量及高壓系統(tǒng)一般用脈沖式安穩(wěn)閥。7、大口徑。如減溫減壓裝置、電站鍋爐等。減溫裝置生產(chǎn)廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2995701.html</p></div></div></div></div></div><div id="p9pd79r" class="page-right twoColRt"><div 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