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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="koqnu2i" 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="vkmolpb" 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>金山區(qū)減溫減壓裝置供應商,減溫減壓裝置</p><p><span>***更新：</span>2021-01-10 08:17:14</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="vkh39dk" 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="xm2ro3n" class="page-proshow02"><p class="title">詳細說明</p><div id="7ya3iyf" class="box"><p><p style="text-indent:25px">減溫減壓裝置升壓過程中，對沖量式安全閥必須進行整定壓力校驗。當壓力升高到管道內額定壓力的50%時，將沖量式安全閥的杠桿向上抬起，檢查主安全閥開啟和關閉動作是否靈敏，當蒸汽壓力達到規(guī)定的安全閥整定壓力時，固定并鎖緊重錘。此時，沖量安全閥應再動作一次，檢查其整定壓力是否正常，主安全閥動作是否靈敏，有無卡阻現象，金山區(qū)減溫減壓裝置供應商，金山區(qū)減溫減壓裝置供應商。然后對重錘和杠桿加以鉛封或加鎖。若蒸汽管道上裝設彈簧安全閥，金山區(qū)減溫減壓裝置供應商，須對彈簧安全閥作整定壓力、回座壓力試驗，檢查其整定壓力是否正常，動作是否靈敏，有無卡阻現象。達到要求后，再對安全閥加以鉛封。全閥每年至少校準一次，并符合相應規(guī)范的要求。金山區(qū)減溫減壓裝置供應商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金山區(qū)減溫減壓裝置供應商,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665574609375/7235091.png"></div><p style="text-indent:25px">當減溫減壓閥和供水調節(jié)閥出現故障并影響設備安全運行時，減溫減壓裝置前的電動閥應及時關閉，故障后投入運行被淘汰了。當實際使用流量低于設計流量的30%時，應從自動控制狀態(tài)切換到手動控制狀態(tài)，降溫減壓閥和供水調節(jié)閥應由手。同時，小進氣電動閥關閉以控制流量。防止設備異常升壓。當用戶的蒸汽消耗量迅速減少時，逐漸關閉減壓裝置進氣電動閥控制流量，將自動控制狀態(tài)切換到手動控制狀態(tài)，并手動控制降溫減壓閥和供水調節(jié)閥?？刂屏髁浚瑫r通知鍋爐增加排放量。當自動控制系統(tǒng)出現故障時，應立即切換到手動操作狀態(tài)，故障排除后自動運行狀態(tài)即可投入運行。北京減溫減壓裝置哪個牌子好減溫減壓裝置在管道中起到一定的止回作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金山區(qū)減溫減壓裝置供應商,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。</p><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)展到現在，大體可分為三代產品。第三代減溫減壓裝置為第二代的換代產品：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。第三代產品不僅具備第二代產品的所有優(yōu)點，同時還彌補第二代產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。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金山區(qū)減溫減壓裝置供應商,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665996337891/5187919.png"></div><p style="text-indent:25px">當換熱器用于制程操作時，使用過熱蒸汽由于低的傳熱系數而降低效率，使用飽和蒸汽更加適合。另外當高壓的干飽和蒸汽減壓至低壓時，在下游出口會產生過熱度。這樣都需要將過熱的蒸汽降溫至所需的接近飽和的溫度，這就需要減溫器。在很多情況下需要對高壓過熱的蒸汽同時進行減溫和減壓。減溫減壓裝置是節(jié)能環(huán)保產品。減溫減壓裝置配上相應的工業(yè)自動化儀表（即熱控柜），可對電站或工業(yè)鍋爐及熱電廠等處輸送來的一次（新）蒸汽壓力P1、溫度T1進行減溫減壓，使其二次蒸汽壓力P2、溫度T2達到生產工藝所需的要求。用于熱電廠、集中供熱、食品工業(yè)、石化工業(yè)、紡織工業(yè)、橡膠工業(yè)、造紙和紙漿工業(yè)和制藥等其它很多行業(yè)。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。江西減溫減壓裝置品牌哪家好</p><p style="text-indent:25px">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)，無卡阻現象。金山區(qū)減溫減壓裝置供應商</p><p style="text-indent:25px">減溫減壓器/裝置，顧名思義，就是將高溫高壓蒸汽降為客戶能夠使用的低壓低溫蒸汽（可為過熱蒸汽）。按照減溫和減壓是否一體，可分為以下兩類一體式減溫減壓器，減溫和減壓在同一個減溫減壓閥內進行。分體式減溫減壓器，減溫和減壓分開進行，減壓采用單獨減壓閥其中分體式減溫減壓器，控制精度高，運行平穩(wěn)，調節(jié)靈敏，可有效消除靜差影響等優(yōu)點，減壓裝置：蒸汽的減壓過程是由減壓閥和節(jié)流孔板的節(jié)流來實現的，其減壓級數由新蒸汽減壓后蒸汽壓力之差來決定。減壓閥的壓力調節(jié)是通過大執(zhí)行器電動執(zhí)行機構來完成，運行平穩(wěn)，壽命長，根據二次蒸汽設定值要求，無論一次蒸汽壓力如何波動，均能保持二次正氣壓力穩(wěn)定。金山區(qū)減溫減壓裝置供應商</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2785405.html</p></div></div></div></div></div><div id="sh9axwi" 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