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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="8blp7zg" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>云南減溫減壓裝置質(zhì)量怎么樣,減溫減壓裝置</p><p><span>***更新：</span>2020-12-28 03:13:28</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="88pq9ol" 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(mén)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(jī): </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="sbt4myv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ap7bya2" class="box"><p><p style="text-indent:25px">減溫減壓裝置注意事項(xiàng)：為了操作和維護(hù)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(yán)格按照閥體上的箭頭方向保持與流體流動(dòng)方向一致。如果水質(zhì)不清潔，含有一些雜質(zhì)，必須在減溫減壓裝置的上游進(jìn)水口安裝過(guò)濾器。3為了防止閥后壓力超壓，應(yīng)在離閥出口不少于4M處安裝一個(gè)減溫減壓裝置。4，云南減溫減壓裝置質(zhì)量怎么樣.減溫減壓裝置在管道中起到一定的止回作用，云南減溫減壓裝置質(zhì)量怎么樣，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(mén)，過(guò)濾器必須安裝在減溫減壓裝置的進(jìn)水管前，云南減溫減壓裝置質(zhì)量怎么樣，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。減溫減壓裝置功能強(qiáng)大，并可根據(jù)用戶要求進(jìn)行功能擴(kuò)展。云南減溫減壓裝置質(zhì)量怎么樣</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南減溫減壓裝置質(zhì)量怎么樣,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665574609375/7235091.png"></div><p style="text-indent:25px">當(dāng)客戶在使用減溫減壓裝置中碰到問(wèn)題的時(shí)候的辦法講解一下，支吊架懸空、簡(jiǎn)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(shí)際管道的變形理論分析一致，說(shuō)明管道截面上下溫差是導(dǎo)致管道彎曲變形及支吊架脫空的主要原因。焊縫開(kāi)裂原因分析管道在熱脹、冷縮及其他位移受約束時(shí)所產(chǎn)生的應(yīng)力稱為二次應(yīng)力)。允許應(yīng)力值為52.00MPa[出自于《火力發(fā)電廠汽水管道應(yīng)力計(jì)算技術(shù)規(guī)定》)(SDGJ6—90)。大小頭的小頭處一次應(yīng)力為35.71MPa。由此說(shuō)明兩點(diǎn)：①中間支架懸空，減溫減壓器一次應(yīng)力超標(biāo)，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(yīng)力并不大(一次應(yīng)力合格)，支架懸空情況下，管系應(yīng)力不是該處產(chǎn)生裂紋的主要原因。普陀區(qū)減溫減壓裝置什么牌子好減溫減壓裝置預(yù)熱后，逐漸打開(kāi)減溫減壓閥前面的切斷閥，同時(shí)關(guān)閉旁通閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南減溫減壓裝置質(zhì)量怎么樣,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363664908164062/5218851.png"></div><p style="text-indent:25px">減溫減壓裝置的使用前比較重要的就是做好它的安裝，那么在安裝時(shí)應(yīng)特別注意幾點(diǎn)內(nèi)容，下面就一起來(lái)看看吧。根據(jù)主系統(tǒng)的序列號(hào)安裝。閘閥應(yīng)安裝在設(shè)備的入口處，以便打開(kāi)和關(guān)閉。在設(shè)備安全閥的下部安裝固定支架，并在設(shè)備兩端的適當(dāng)位置安裝滑動(dòng)支架。兩者之間的連接應(yīng)考慮熱補(bǔ)償措施或自然補(bǔ)償。對(duì)于設(shè)備的DS，疏水閥應(yīng)安裝在蒸汽出口適當(dāng)位置的低點(diǎn)。嚴(yán)格按照安裝圖紙和技術(shù)數(shù)據(jù)安裝進(jìn)出口熱敏電阻和壓力變送器，以免反向安裝。如果損壞是由于安裝錯(cuò)誤引起的，我們將不承擔(dān)任何責(zé)任。安裝每個(gè)閥時(shí)，請(qǐng)注意蒸汽和減溫水的流向。安裝完成后，卸下減壓系統(tǒng)和供水系統(tǒng)的閥門(mén)，并清洗整個(gè)管道，以除去管道中的焊渣，焊核和其他污垢。安裝前請(qǐng)檢查是否有雜物。卸下閥門(mén)，然后進(jìn)行液壓測(cè)試。</p><p style="text-indent:25px">減溫減壓裝置按進(jìn)口壓力和溫度可分為：溫中壓減溫減壓裝置：一次蒸汽參數(shù)（進(jìn)口蒸汽參數(shù)）：壓力P1=3.9MPa；溫度t1=450℃壓力；二次蒸汽參數(shù)（出口蒸汽參數(shù)）：壓力P2由用戶要求確定；溫度t2=飽和溫度；流量： Q=2～360t/h（噸/小時(shí)）2 次高壓減溫減壓裝置：一次蒸汽參數(shù)（進(jìn)口蒸汽參數(shù)）：壓力P1=5.4MPa；溫度t1=485℃壓力；二次蒸汽參數(shù)（出口蒸汽參數(shù)）：壓力P2由用戶要求確定；溫度t2=飽和溫度；流量： Q=20～200t/h（噸/小時(shí)）。高溫高壓減溫減壓裝置：一次蒸汽參數(shù)（進(jìn)口蒸汽參數(shù)）：壓力P1=10MPa；溫度t1=540℃壓力；二次蒸汽參數(shù)（出口蒸汽參數(shù)）：壓力P2由用戶要求確定；溫度t2=飽和溫度；流量： Q=30～240t/h（噸/小時(shí)）。減溫減壓裝置前后應(yīng)安裝截止閥、過(guò)濾閥，并加旁通以便檢修。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南減溫減壓裝置質(zhì)量怎么樣,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665996337891/5187919.png"></div><p style="text-indent:25px">減溫減壓裝置給水系統(tǒng)清洗也應(yīng)分階段進(jìn)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，清洗二次以上，確認(rèn)干凈后連接節(jié)流裝置，避免雜物堵住節(jié)流圈上的小孔。然后，對(duì)節(jié)流裝置及后面的管路進(jìn)行清洗，清洗二次以上，此時(shí)給水調(diào)節(jié)閥、截止閥、節(jié)流閥須全開(kāi)。沒(méi)有節(jié)流裝置的，可以直接清洗。清洗時(shí)給水管法蘭與減溫減壓閥連接的進(jìn)水法蘭或混合管道噴嘴進(jìn)口處法蘭均不應(yīng)連接，便于清洗水直接從該法蘭中排出，以避免污垢和雜物堵塞噴水孔。減溫減壓裝置整體吹洗后，應(yīng)檢查過(guò)濾器濾網(wǎng)有無(wú)堵塞現(xiàn)象，并及時(shí)去除。減溫減壓裝置由控制系統(tǒng)、減壓系統(tǒng)、噴水減溫系統(tǒng)和安全保護(hù)系統(tǒng)組成。普陀區(qū)減溫減壓裝置什么牌子好</p><p style="text-indent:25px">減壓的工作原理是蒸汽通過(guò)減溫減壓閥或節(jié)流孔板，流通面積減少，使蒸汽動(dòng)能增加造成壓力損失。云南減溫減壓裝置質(zhì)量怎么樣</p><p style="text-indent:25px">減溫減壓裝置顧名思義:后面的溫度和壓力肯定要比前面的低。減溫減壓裝置的介質(zhì)一定是蒸汽。明確了這兩點(diǎn)后，我們就可以提要求采購(gòu)設(shè)備了，采購(gòu)減溫減壓裝置需要提供七個(gè)參數(shù)+注意事項(xiàng)：裝置進(jìn)口/出口蒸汽的蒸汽流量Q t/h；裝置進(jìn)口蒸汽的壓力P1 MPa；裝置進(jìn)口蒸汽的溫度T1 ℃；裝置出口蒸汽的壓力P2 MPa；裝置出口蒸汽的溫度T2 ℃；減溫水的壓力Pb MPa；減溫水的壓力Tb ℃；執(zhí)行機(jī)構(gòu)形式：電動(dòng)/氣動(dòng)（明確品牌，氣動(dòng)還需要明確進(jìn)氣開(kāi)or進(jìn)氣關(guān)）；給水路上的閥門(mén)是否有特殊要求（其實(shí)就是那個(gè)截止閥）。若要電動(dòng)的也要提一下電裝的要求（品牌、想要實(shí)現(xiàn)怎么樣的功能）；明確裝置進(jìn)出口是否要配切斷閥，配的話也要提出相應(yīng)的要求；若裝置上還有另外特殊的要求，如要小旁路什么的也盡可能詳細(xì)提出，這些石油化工上的要求比較多。。云南減溫減壓裝置質(zhì)量怎么樣</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2593137.html</p></div></div></div></div></div><div id="sry9t3g" class="page-right twoColRt"><div id="8oh988i" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3acm9xe" class="recomPic likePro"><a 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