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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="3by3ku8" class="twoCol"><div id="gkcjgpy" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產品供應</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenti_jianyafagx/">減壓閥</a>?山東減溫減壓裝置哪里有誠信為本上海大田閥門管道工程供應</p><div id="ncurtif" class="leftbox clearfix"><h1>山東減溫減壓裝置哪里有誠信為本上海大田閥門管道工程供應</h1><div id="wldv8gy" class="proBig"><div id="a727h38" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363665574609375/7235091.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8wd88hu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363665574609375/7235091.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ovsplsu" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>山東減溫減壓裝置哪里有,減溫減壓裝置</p><p><span>***更新：</span>2021-01-17 10:17:27</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="q74frt3" 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="2t7ik8g" class="page-proshow02"><p class="title">詳細說明</p><div id="mj2kr7n" class="box"><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，山東減溫減壓裝置哪里有，頭部小頭的主應力不大(主應力合格)，山東減溫減壓裝置哪里有，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，山東減溫減壓裝置哪里有。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。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。山東減溫減壓裝置哪里有</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東減溫減壓裝置哪里有,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。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。用戶必須定期檢查設備，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。上海減壓裝置大概多少錢減溫減壓裝置安裝各閥門時須注意蒸汽和和減溫水的流向。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東減溫減壓裝置哪里有,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666331748047/3049921.png"></div><p style="text-indent:25px">減溫減壓裝置注意事項：為了操作和維護方便，該閥一般直立安裝在水平管道上。減溫減壓裝置安裝必須嚴格按照閥體上的箭頭方向保持與流體流動方向一致。如果水質不清潔，含有一些雜質，必須在減溫減壓裝置的上游進水口安裝過濾器。3為了防止閥后壓力超壓，應在離閥出口不少于4M處安裝一個減溫減壓裝置。4.減溫減壓裝置在管道中起到一定的止回作用，為了防止水錘的危害，也可安裝小的膨脹水箱，防止損壞管道和閥門，過濾器必須安裝在減溫減壓裝置的進水管前，而膨脹水箱必須安裝在減溫減壓裝置出水管后！減溫減壓裝置的制作材料屬于低摩擦，減小了金屬與金屬之間的相互摩擦。</p><p style="text-indent:25px">減溫減壓裝置的使用現在已經是非常多了，其中對于減壓閥的維修與檢查是很重要的，那么主要都有哪些檢查部位?減壓閥的檢修用刷子去除閥門外部的鐵銹;在閥體和閥蓋上做標記，以防止在組裝過程中發(fā)生未對準，然后將閥稍微打開或打開;拆下變速箱;松開門蓋的螺栓，然后提起門蓋;拆下閥瓣并將其保存在安全的地方;取下填料壓蓋螺母并退出填料壓蓋;拆下閥帽螺母，拆下閥帽，拆下填料;擰開閥桿，并拆下填料函中的填料;拆下螺紋套筒和平面軸承，用煤油清洗，用棉紗擦干，然后拆下螺栓，其他零件也應清洗并妥善保管;拆下門蓋墊片，并檢查門蓋接合面。減溫減壓裝置在使用前都需要進行吹洗來處理管道內的污漬。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東減溫減壓裝置哪里有,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665488730469/5001737.png"></div><p style="text-indent:25px">減溫減壓裝置均由活門頂桿、調壓彈簧、彈性薄膜裝置、減壓門等零部件組成。減壓系統(tǒng)主要用于將高壓氣體自動降為中壓氣體，降至壓力為2MPa，然后送入第二級減壓系統(tǒng)。在二級減壓系統(tǒng)，當旋擰調壓螺釘時，通過調壓彈簧、彈性薄膜裝及活門頂桿，使減壓活門作不同程度的開啟和關閉，以用來調節(jié)減壓系統(tǒng)送入的氧氣的減壓程度或停止供氣。壓力高的空氣經過節(jié)流閥的節(jié)流在低壓氣室進行膨脹，使高壓空氣變成壓力相對較低的空氣，調節(jié)節(jié)流閥的開度，對高壓空氣的節(jié)流程度不同，高壓空氣的膨脹效果也不一樣，減壓后的空氣壓力也就不一樣。流入低壓室的高壓氣體量增多，使低氣壓室氣體壓力增高；當氣體用量減小時，減壓話門開啟度逐漸縮小，使低氣壓室內氣體不會增高。減溫減壓裝置安裝完畢后，將減壓系統(tǒng)和給水系統(tǒng)的閥門拆下，并對整個管道進行吹洗。寧夏減溫減壓裝置要多少錢</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。山東減溫減壓裝置哪里有</p><p style="text-indent:25px">當客戶在使用減溫減壓裝置中碰到問題的時候的辦法講解一下，支吊架懸空、簡體彎曲原因分析管道截面上部溫度高于下部溫度，將造成管道軸向彎曲變形，與實際管道的變形理論分析一致，說明管道截面上下溫差是導致管道彎曲變形及支吊架脫空的主要原因。焊縫開裂原因分析管道在熱脹、冷縮及其他位移受約束時所產生的應力稱為二次應力)。允許應力值為52.00MPa[出自于《火力發(fā)電廠汽水管道應力計算技術規(guī)定》)(SDGJ6—90)。大小頭的小頭處一次應力為35.71MPa。由此說明兩點：①中間支架懸空，減溫減壓器一次應力超標，噴水閥后管道容易產生裂紋;②中間支吊架懸空，在大小頭處的小頭處一次應力并不大(一次應力合格)，支架懸空情況下，管系應力不是該處產生裂紋的主要原因。山東減溫減壓裝置哪里有</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2887611.html</p></div></div></div></div></div><div id="td2yvhe" class="page-right twoColRt"><div id="3keqn2a" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="et8dahy" 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" class="vcenter" 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