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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)品關鍵詞：</span>安徽減溫減壓裝置生產(chǎn)廠家有哪些,減溫減壓裝置</p><p><span>***更新：</span>2021-01-11 02:14:22</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="8l7asoa" 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="rlsmiug" class="page-proshow02"><p class="title">詳細說明</p><div id="ixegsuw" class="box"><p><p style="text-indent:25px">減溫減壓裝置由減壓系統(tǒng)，降低過熱系統(tǒng)和安全系統(tǒng)組成。在安裝設備之前，用戶在設備的入口和出口處安裝蒸汽切斷閥和蒸汽疏水閥，安徽減溫減壓裝置生產(chǎn)廠家有哪些。應在減溫水系統(tǒng)上安裝除濕和過濾設備，以確保過熱水凈化。安裝設備后，外殼試驗應在1.5倍的工作壓力下進行。在運行減溫減壓裝置之前沖洗設備的管道，然后打開減壓閥20%并用重錘按下安全閥。打開疏水閥，打開減溫水管上的截止閥。慢慢打開調節(jié)噴嘴，檢查減溫水系統(tǒng)。檢查后，打開旁通系統(tǒng)加熱管(例如，打開旁通閘閥，也可以使用其他熱源)，蒸汽壓力保持在200~500Pa，持續(xù)30分鐘。加熱管后，打開截止閥，保持1000~1500Pa / min的速度增加壓力，操作減壓閥和可調噴嘴，確保二次蒸汽滿足設備要求。當二次減溫減壓裝置壓力達到額定壓力的50%時，用手抬起安全閥桿，檢查安全閥的密封性和靈敏度。當達到設定壓力時，錘子被固定，安徽減溫減壓裝置生產(chǎn)廠家有哪些。用戶必須定期檢查設備，安徽減溫減壓裝置生產(chǎn)廠家有哪些，以消除隱藏的缺陷，確保安全閥具有良好的靈敏度和緊湊性，并修復磨損的閥桿和閥座。減溫減壓裝置的入口和出口處安裝蒸汽切斷閥和蒸汽疏水閥。安徽減溫減壓裝置生產(chǎn)廠家有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽減溫減壓裝置生產(chǎn)廠家有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665018583984/1132019.png"></div><p style="text-indent:25px">減溫減壓裝置是現(xiàn)代工業(yè)中熱電聯(lián)產(chǎn)、集中供熱(或供汽)及輕工、電力、化工、紡織等企業(yè)在熱能工程中應用的一種蒸汽熱能參數(shù)(壓力、溫度)轉變裝置和利用余熱的節(jié)能裝置，通過本裝置，把用戶提供的蒸汽參數(shù)降到用戶需要合適的溫度和壓力，以滿足用戶的要求，并且能夠充分節(jié)約熱能，合理使用熱能。那么減溫減壓裝置有哪些特點呢?減壓系統(tǒng)采用雙閥座減壓閥結構，不平衡力小，調節(jié)范圍大，動作平穩(wěn)，無卡阻現(xiàn)象。減溫系統(tǒng)采用文丘里氏加笛管噴嘴的方式，無傳動部件，減溫水霧化效果好，噴嘴拆裝方便，便于維修。減壓系統(tǒng)和減溫系統(tǒng)分開，主要用于工況惡劣，如蒸汽流量小不適用采用減溫減壓閥的，及飽和蒸汽的工況(壓力較低主要考慮蒸汽流速較低)采用文丘里管減溫方式，減溫水充分霧化，以達到較好的減溫效果。四川減溫減壓裝置價格哪家便宜減溫減壓閥是減溫減壓裝置中的關鍵部件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽減溫減壓裝置生產(chǎn)廠家有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665379863281/3223254.png"></div><p style="text-indent:25px">減溫減壓裝置是由哈爾濱鍋爐廠于二十世紀五十年代從前蘇聯(lián)引入國內。發(fā)展到現(xiàn)在，大體可分為三代產(chǎn)品。第三代減溫減壓裝置為第二代的換代產(chǎn)品：減溫減壓閥內部改為多級套筒式省去了節(jié)流孔板，同時多級套筒的節(jié)流小孔還起到消音的作用。減溫減壓閥與給水調節(jié)閥采用變流量系數(shù)設計的方法。該設計形式的特點就是設計與使用相吻合，從0到100%全程可調節(jié)，該設計方法于2003年12月被國家科委授予應用型發(fā)明獎。由于給水調節(jié)閥能夠適用于各種壓差，在減溫系統(tǒng)中取消了節(jié)流閥或節(jié)流裝置。第三代產(chǎn)品不僅具備第二代產(chǎn)品的所有優(yōu)點，同時還彌補第二代產(chǎn)品中的所有不足之處：減壓，并多級同步調節(jié)提高了調節(jié)范圍；采用同步可調噴咀在閥內噴水，提高了霧化效果。</p><p style="text-indent:25px">減溫減壓裝置也是會出現(xiàn)一些常見的問題的，那么下面就一起來了解一下有關的內容吧。支架和吊架懸掛在空中并以簡化形式彎曲管段上部的溫度高于下部的溫度，這將導致管在軸向彎曲和變形。對于上，下管段之間的溫差是造成管，支架和吊架彎曲變形的主要原因。焊縫開裂的原因分析當管道受熱膨脹，冷縮和其他位移限制時產(chǎn)生的應力稱為二次應力。減溫器和減壓器下部的熱應力導致焊縫開裂，上下管之間存在較大的溫差，特別是在切換到一定的工作條件時，再次行駛時，冷凝水會在管道中凝結，高溫蒸汽通過管道，使管道壁無水。溫度迅速升高，并且貯水部分中的管壁溫度緩慢升高，從而在低溫下導致較高的軸向拉伸應力。這種較高的熱應力或熱疲勞是焊縫開裂的主要原因。處理措施：簡化加排水管道，改善排水條件。在降溫器的加熱和熱待機期間打開了排水管，以減小上下兩側的溫差，從而可以控制各種工況下管段的上下溫，減少管道彎曲并消除焊接裂紋。優(yōu)化噴水裝置。原來的噴水位置在支架和吊架上，改造后將噴水裝置放在減壓閥上。使減溫水和蒸汽的混合更加均勻，并減少溫差。減溫減壓裝置由減溫系統(tǒng)、減壓系統(tǒng)、主蒸汽管體、安全保護系統(tǒng)、熱力控制系統(tǒng)等組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽減溫減壓裝置生產(chǎn)廠家有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666223652344/836920.png"></div><p style="text-indent:25px">不得不說，減溫減壓裝置在我們工業(yè)生產(chǎn)活動中，應用是非常多的。所以，如果你經(jīng)常與減溫減壓裝置打交道，那么你必須要學會如何維護和保養(yǎng)減溫減壓裝置。下面，就來教給大家。在設備運行期間，必須定期給潤滑區(qū)加油。應經(jīng)常觀察蒸汽，冷卻水流量，壓力和溫度。所有儀表讀數(shù)應及時記錄在手冊中以供檢查。同時，有必要檢查閥門附件的機械運動是否靈活，并確保設備的安全運行。務必檢查減溫減壓裝置閥和供水調節(jié)閥是否損壞，以及管道是否泄漏或振動。為了防止安全閥的閥瓣和閥座粘連，應定期對安全閥進行手動放電試驗，以檢查安全閥的開啟和關閉的靈活性。當工作壓力達到設定壓力的75%時，可以小心小心地提起沖擊安全閥的杠桿或彈簧安全閥的扳手，安全閥打開和排出。安全閥每年至少校準一次，并符合相應規(guī)范的要求。為確保設備安全運行，應定期對減溫減壓裝置進行維修，檢驗期一般為一年。減溫減壓裝置調試完畢，蒸汽參數(shù)正常后，即可投入到自動控制狀態(tài)運行。河南減溫減壓裝置公司哪家好</p><p style="text-indent:25px">建議在減溫減壓裝置的出口處裝設對空排汽閥。安徽減溫減壓裝置生產(chǎn)廠家有哪些</p><p style="text-indent:25px">減溫減壓裝置管道故障的原因是：管道之間的溫差有著很大的差距。中間支架懸掛，冷卻減壓裝置溫度超過標準，打開注水閥后管路容易開裂;中間支撐架懸掛，頭部小頭的主應力不大(主應力合格)，支架懸掛。管道應力不是此位置開裂的主要原因。管道段的溫度高于下限溫度，這將導致管道彎曲并軸向變形。這與實際管道變形的理論分析是一致的，表明向上和向下彎曲的主要原因是管道彎曲變形和支撐吊架間隙。如何解決這些減溫減壓裝置的管道故障問題：優(yōu)化噴水裝置。簡化疏水管的添加并改善疏水條件。重新設計和計算系統(tǒng)管道以及支架和吊架選項。安徽減溫減壓裝置生產(chǎn)廠家有哪些</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2791526.html</p></div></div></div></div></div><div id="xjqc7y8" 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