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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bjzh9rh" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363666583388672/3087583.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bthxrpv" 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>徐匯區(qū)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>2021-01-01 13:27:27</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="fpndb7b" 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="9fvl7fn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tvd75br" class="box"><p><p style="text-indent:25px">減溫減壓裝置由兩個**作用的止回閥和泄水閥組成，能嚴(yán)格限定管道中的壓力水只能單向流動的水力控制裝置。減壓閥開啟泄壓，徐匯區(qū)減溫減壓裝置生產(chǎn)廠家有哪些，減壓閥又關(guān)閉。當(dāng)閥后管網(wǎng)壓力升高，超過閥前進口壓力時，如出口位置上的止回閥密封完好無泄漏，高壓水不會倒流，隔膜左右保持原來的壓差，減壓閥關(guān)閉不泄漏。當(dāng)出口位置上的止回閥密封破壞造成滲漏，出口位置上的止回閥之前壓力升高，造成減壓閥隔膜左右壓差減小，減壓閥打開通過排水口泄壓。用調(diào)壓彈簧直接調(diào)壓，則彈簧剛度必然過大，流量變化時，輸出壓力波動較大，閥的結(jié)構(gòu)尺寸也將增大。為了克服這些缺點，可采用減溫減壓裝置。減溫減壓裝置具有短路、斷路，徐匯區(qū)減溫減壓裝置生產(chǎn)廠家有哪些、過載，徐匯區(qū)減溫減壓裝置生產(chǎn)廠家有哪些、超壓、聯(lián)動保護功能。徐匯區(qū)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="徐匯區(qū)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/637363666583388672/3087583.png"></div><p style="text-indent:25px">減溫減壓裝置設(shè)計流量大且實際流量小于設(shè)計流量的10%時，應(yīng)將自動控制狀態(tài)切換為手動控制狀態(tài)，并應(yīng)將冷卻減壓閥和供水調(diào)節(jié)閥設(shè)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(shè)備壓力異常升高。自動控制系統(tǒng)發(fā)生故障時，應(yīng)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(dāng)設(shè)備受到異常壓力而無法打開安全閥時，請立即打開設(shè)備出口處的排氣閥，以減少設(shè)備的異常壓力并確保個人設(shè)備的安全。如果設(shè)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。浙江減壓裝置廠商減溫減壓裝置無傳動部件，減溫水霧化效果好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐匯區(qū)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/637363665887490234/7269130.png"></div><p style="text-indent:25px">減溫減壓裝置可對電站或工業(yè)鍋爐以及熱電廠等處輸送來的蒸汽進行減溫和減壓，使蒸汽溫度和壓力達到生產(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，使蒸汽動能增加造成壓力損失，蒸汽的壓力能隨之減少而達到減壓的目的。</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(biāo)準(zhǔn)，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(yīng)力不大(主應(yīng)力合格)，支架懸掛。管道應(yīng)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(dǎo)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(shè)計和計算系統(tǒng)管道以及支架和吊架選項。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="徐匯區(qū)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/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(shè)備之前，用戶在設(shè)備的入口和出口處安裝蒸汽切斷閥和蒸汽疏水閥。應(yīng)在減溫水系統(tǒng)上安裝除濕和過濾設(shè)備，以確保過熱水凈化。安裝設(shè)備后，外殼試驗應(yīng)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(shè)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(diào)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(diào)噴嘴，確保二次蒸汽滿足設(shè)備要求。當(dāng)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(dāng)達到設(shè)定壓力時，錘子被固定。用戶必須定期檢查設(shè)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(fù)磨損的閥桿和閥座。給水系統(tǒng)清洗也應(yīng)分階段進行，裝有給水節(jié)流裝置的，先要把節(jié)流裝置前面的給水管路清洗。徐匯區(qū)減溫減壓裝置生產(chǎn)廠家有哪些</p><p style="text-indent:25px">減溫減壓裝置為防止二次蒸汽壓力超過規(guī)定值，自動打開安全閥使多余蒸汽排放。徐匯區(qū)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(yīng)用的一種蒸汽熱能參數(shù)(壓力、溫度)轉(zhuǎn)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(jié)構(gòu)，不平衡力小，調(diào)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。徐匯區(qū)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/2660186.html</p></div></div></div></div></div><div id="prhp7dl" class="page-right twoColRt"><div id="bz7hnd9" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="9h7nltp" 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(yīng)" class="vcenter" 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