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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="tp797th" class="twoCol"><div id="fzvhd7j" 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(chǎn)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>?云南減溫減壓裝置供應商有哪些創(chuàng)新服務上海大田閥門管道工程供應</p><div id="lhxfbnb" class="leftbox clearfix"><h1>云南減溫減壓裝置供應商有哪些創(chuàng)新服務上海大田閥門管道工程供應</h1><div id="7znd97b" class="proBig"><div id="fl9bznb" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363665887490234/7269130.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nlj7ftx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363665887490234/7269130.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j9f975l" 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>云南減溫減壓裝置供應商有哪些,減溫減壓裝置</p><p><span>***更新：</span>2020-12-24 02:14:32</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="7drjhnb" 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="vbxxb77" class="page-proshow02"><p class="title">詳細說明</p><div id="vt7lz7l" class="box"><p><p style="text-indent:25px">減溫減壓裝置采用減壓閥結(jié)構(gòu)，在同一閥中進行蒸汽減壓，縮短了整個裝置的長度，減少了占地面積，減少了工程投資。減壓閥的流量特性：線性或修正百分比特性曲線可在全沖程范圍內(nèi)精確控制，以確保二次蒸汽在額定輸出的10?100%范圍內(nèi)，以穩(wěn)定運行設備很長一段時間。泄漏等級：IV級。溫度給水調(diào)節(jié)系統(tǒng)采用直行程高壓差控制閥，云南減溫減壓裝置供應商有哪些，可以合理分配給水系統(tǒng)的壓差，云南減溫減壓裝置供應商有哪些。相同口徑的高壓差動給水控制閥具有不同的流量系數(shù)Cv值可供選擇，這使得溫度調(diào)節(jié)系統(tǒng)的調(diào)節(jié)靈敏度和調(diào)節(jié)精度提高，云南減溫減壓裝置供應商有哪些。減溫減壓裝置適合多種工作場景，可以滿足不同的需求。云南減溫減壓裝置供應商有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南減溫減壓裝置供應商有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665887490234/7269130.png"></div><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(guān)的內(nèi)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(jié)，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(cè)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。銅陵減溫減壓裝置什么牌子好減溫減壓裝置是現(xiàn)代工業(yè)中熱電聯(lián)產(chǎn)、集中供熱等工程中普遍應用的設備。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南減溫減壓裝置供應商有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665216318359/432501.png"></div><p style="text-indent:25px">減溫減壓裝置設計流量大且實際流量小于設計流量的10%時，應將自動控制狀態(tài)切換為手動控制狀態(tài)，并應將冷卻減壓閥和供水調(diào)節(jié)閥設置為手動控制狀態(tài)。手動控制。入口截止閥控制流量，以防止設備壓力異常升高。自動控制系統(tǒng)發(fā)生故障時，應立即切換到手動操作狀態(tài)，并且只有在排除故障后才能進入自動操作狀態(tài)。當設備受到異常壓力而無法打開安全閥時，請立即打開設備出口處的排氣閥，以減少設備的異常壓力并確保個人設備的安全。如果設備沒有排氣閥，則可以抬起脈沖安全閥或彈簧式安全閥扳手的手柄以確?，F(xiàn)場安全，然后打開和排放安全閥。</p><p style="text-indent:25px">減溫減壓裝置主要由以下部分組成泄壓系統(tǒng):泄壓閥和泄壓孔板，減溫系統(tǒng):截止閥、節(jié)流閥、給水調(diào)節(jié)閥、管道增壓泵等。安全系統(tǒng):安全閥，現(xiàn)場一次儀表:壓力變送器、壓力表等，控制系統(tǒng):PLC、PID、DCS控制系統(tǒng)，安裝：閘閥應安裝在該裝置的入口和出口，用于開啟和關(guān)閉。安全閥下部應設置固定支架，裝置兩端的適當位置應設置滑動支架。疏水器應安裝在蒸汽出口適當位置的低點。安裝每個閥門時，注意蒸汽和減溫水的流向。安裝后，應對整個管道進行吹掃。水壓試驗時，安全閥必須拆除并用密封板密封。保壓時間不得少于5分鐘。減溫減壓裝置在缸體上材料的選擇是擠壓鋁合金，鋁合金有很多好處，經(jīng)過氧化處理后，表面變的堅硬。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南減溫減壓裝置供應商有哪些,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666583388672/3087583.png"></div><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(chǎn)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(shù)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(chǎn)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(chǎn)生裂紋的主要原因。減溫減壓閥的性能直接影響整個減溫減壓裝置的性能。云南減溫減壓裝置供應商有哪些</p><p style="text-indent:25px">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。云南減溫減壓裝置供應商有哪些</p><p style="text-indent:25px">減溫減壓裝置是用戶調(diào)查溫度和壓力決定產(chǎn)品質(zhì)量生產(chǎn)工藝的神器。減溫減壓器裝置廠家，告訴你安裝注意事項：因應不同產(chǎn)品，升溫速度可供調(diào)選；在減溫減壓裝置的進口處應裝有閘閥，供啟閉用。在減溫減壓裝置安全閥處下部須設一固定支架，在裝置兩端的適當位置處應各設一滑動支架在裝置兩端連接處應考慮熱補償措施或自然補償，在蒸汽出口處適當位置的低點須裝設疏水器。上述閘閥、支架、補償措施、疏水器等由用戶根據(jù)以上情況自行解決。嚴格按安裝圖及技術(shù)資料安裝進出口熱電阻、壓力變送器，避免前后裝反。云南減溫減壓裝置供應商有哪些</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2534514.html</p></div></div></div></div></div><div id="99xvj79" class="page-right twoColRt"><div id="p7ntrfj" class="box01 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