湖北板式空氣預(yù)熱器上海板換機(jī)械設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" ⒎不宜選用單板面積太小的板片，以免板片數(shù)量過(guò)多，板間流速偏小，降低傳熱系數(shù)。⒏板式換熱器的換熱介質(zhì)不宜為蒸汽。板式換熱器施工安裝要點(diǎn)編輯⒈換熱器不應(yīng)有變形，緊固件不應(yīng)有松動(dòng)或其它機(jī)械損傷。⒉設(shè)"><meta name="keywords" content="湖北板式空氣預(yù)熱器,空氣預(yù)熱器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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"index_show"><a href="http://www.cdcfah.com/zh/"><span>展會(huì)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="vnpelxu" class="twoCol"><div id="ao2tam7" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_crsbje/">傳熱設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-crsbje_qtcrsbpw/">其他傳熱設(shè)備</a>?湖北板式空氣預(yù)熱器上海板換機(jī)械設(shè)備供應(yīng)</p><div id="2qvnfhe" class="leftbox clearfix"><h1>湖北板式空氣預(yù)熱器上海板換機(jī)械設(shè)備供應(yīng)</h1><div id="rp42h7g" class="proBig"><div id="znct74i" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220412821406250/101176.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wfplsub" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220412821406250/101176.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nmoldkh" 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>湖北板式空氣預(yù)熱器,空氣預(yù)熱器</p><p><span>***更新：</span>2020-08-12 03:10:47</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="jnf8ujw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海板換機(jī)械設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>張?jiān)浦?/p><p><span>郵箱: </span>shinfo@shphe.com</p><p><span>電話: </span>15921733465</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.shphe.com</p><p><span>手機(jī): </span>021-57247534</p><p><span>地址: </span>山陽(yáng)鎮(zhèn)山寧路99號(hào)</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="hq8yf8a" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="da2fcbc" class="box"><p><p> ⒎不宜選用單板面積太小的板片，以免板片數(shù)量過(guò)多，板間流速偏小，降低傳熱系數(shù)。⒏板式換熱器的換熱介質(zhì)不宜為蒸汽。板式換熱器施工安裝要點(diǎn)編輯⒈換熱器不應(yīng)有變形，緊固件不應(yīng)有松動(dòng)或其它機(jī)械損傷。⒉設(shè)備吊裝時(shí)，吊繩不得掛在接管、定位橫梁或板片上。⒊換熱器周?chē)A(yù)留足夠空間，以便于檢修。⒋冷熱介質(zhì)進(jìn)出口接管安裝。應(yīng)按照出廠銘牌所規(guī)定方向連接。⒌連接換熱器的管道應(yīng)進(jìn)行清洗，防止砂石焊渣等雜物進(jìn)入換熱器，造成堵塞。⒍換熱器應(yīng)以比較大工作壓力的，蒸汽部分應(yīng)不低于蒸汽供汽壓力加；熱水部分應(yīng)不低于。板式換熱器執(zhí)行標(biāo)準(zhǔn)編輯產(chǎn)品標(biāo)準(zhǔn)：NB/T47004-2009《板式熱交換器》工程標(biāo)準(zhǔn)：GB50242-2016《建筑給水排水及采暖工程施工質(zhì)量驗(yàn)收規(guī)范》CJJ28-2014《城鎮(zhèn)供熱管網(wǎng)工程施工及驗(yàn)收規(guī)范》相關(guān)標(biāo)準(zhǔn)圖集：05R103《熱交換站工程設(shè)計(jì)施工圖集》板式換熱器清洗工藝編輯1．隔離設(shè)備系統(tǒng)。并將換熱器里面的水排放干凈。2．采用高壓水清洗管道內(nèi)存留的淤泥、藻類(lèi)等雜質(zhì)后，封閉系統(tǒng)。3．在隔離閥和交換器間裝上球閥（不小于1英寸=），湖北板式空氣預(yù)熱器，進(jìn)水和回水口都應(yīng)安裝。4．接上輸送泵和連接導(dǎo)管，湖北板式空氣預(yù)熱器，使清洗劑從換熱器的底部泵入，湖北板式空氣預(yù)熱器，從頂部流出。5．開(kāi)始向換熱器里泵入所需要的清洗劑。板式空氣預(yù)熱器是上海板換機(jī)械設(shè)備有限公司主要產(chǎn)品之一。湖北板式空氣預(yù)熱器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北板式空氣預(yù)熱器,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220412821406250/101176.jpg"></div><p> 一般各自廠家根據(jù)自己的板型都有自己的選型軟件。國(guó)際上通用的軟件有HTRI，HTFS等。通用的計(jì)算軟件公開(kāi)的很少，國(guó)內(nèi)一些網(wǎng)站如換熱支持網(wǎng)站提供了提供了板式換熱器的在線計(jì)算軟件，可供參考使用。板式換熱器常見(jiàn)故障編輯外漏主要表現(xiàn)為滲漏（量不大，水滴不連續(xù)）和泄漏（量較大，水滴連續(xù)）。外漏出現(xiàn)的主要部位為板片與板片之間的密封處、板片二道密封泄漏槽部位以及端部板片與壓緊板內(nèi)側(cè)。串液主要特征為壓力較高一側(cè)的介質(zhì)串入壓力較低一側(cè)的介質(zhì)中，系統(tǒng)中會(huì)出現(xiàn)壓力和溫度的異常。如果介質(zhì)具有腐蝕性，還可能導(dǎo)致板式換熱器密封墊片的腐蝕。串液通常發(fā)生在導(dǎo)流區(qū)域或者二道密封區(qū)域處。壓降大介質(zhì)進(jìn)、出口壓降超過(guò)設(shè)計(jì)要求，甚至高出設(shè)計(jì)值許多倍，嚴(yán)重影響系統(tǒng)對(duì)流量和溫度的要求。在供暖系統(tǒng)中，若熱側(cè)壓降過(guò)大，則一次側(cè)流量將嚴(yán)重不足，即熱源不夠，導(dǎo)致二次側(cè)出溫度不能滿足要求。供熱溫度不能滿足要求主要特征是出口溫度偏低，達(dá)不到設(shè)計(jì)要求。面積相同換熱量的板式換熱器*為管殼式換熱器的1/5。3、容易清洗拆裝方便：板式換熱器靠夾緊螺栓將夾固板板片夾緊，因此拆裝方便，隨時(shí)可以打開(kāi)清洗，同時(shí)由于板面光潔，湍流程度高，不易結(jié)垢。內(nèi)蒙古空氣預(yù)熱器聯(lián)系方式上海板式空氣預(yù)熱器廠家有哪些？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北板式空氣預(yù)熱器,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220424328769531/3189655.jpg"></div><p> 與水媒式暖風(fēng)器組成閉式循環(huán)系統(tǒng)。空氣預(yù)熱器進(jìn)風(fēng)溫度的提高使排煙溫度升高，一方面使前置煙冷器傳熱溫差增加，更有效回收低溫?zé)煔庥酂幔涣硪环矫鎰t較大幅度提升空氣預(yù)熱器的冷端綜合溫度，有效緩解空氣預(yù)熱器***氫銨堵塞和腐蝕；同時(shí)mggh煙氣冷卻器入口煙溫的提高減少了mggh系統(tǒng)的蒸汽消耗量，降低機(jī)組供電煤耗。本實(shí)用新型的更優(yōu)技術(shù)方案為：所述蒸汽暖風(fēng)器的進(jìn)口上連接有蒸汽管，且其出口上連接有疏水管。所述蒸汽管上安裝有電動(dòng)調(diào)節(jié)閥，疏水管上安裝有疏水閘閥；通過(guò)蒸汽暖風(fēng)器對(duì)冷空氣做初步加熱。所述前置煙冷器的進(jìn)水母管上安裝有循環(huán)水泵，為前置煙冷器和水媒式暖風(fēng)器之間的交換水循環(huán)運(yùn)行提供動(dòng)力。所述前置煙冷器出口的煙道內(nèi)沿?zé)煔饬鲃?dòng)方向依次安裝有mggh煙氣冷卻器、電除塵器、引風(fēng)機(jī)、吸收塔、煙氣再熱器和煙囪；且煙氣再熱器和mggh煙氣冷卻器之間連接有熱媒加熱器和安裝循環(huán)水泵的管道，實(shí)現(xiàn)mggh系統(tǒng)的運(yùn)行。</p><p> 在《火力發(fā)電機(jī)節(jié)能降耗技術(shù)導(dǎo)則》、《300MW鍋爐及輔機(jī)節(jié)能降耗技術(shù)導(dǎo)則》和《燃煤電廠節(jié)能降耗技術(shù)推廣應(yīng)用目錄》推薦的相關(guān)技術(shù)基礎(chǔ)上，對(duì)空預(yù)器密封治理的相關(guān)技術(shù)和注意事項(xiàng)進(jìn)行介紹：（1）密封方式簡(jiǎn)介1)雙道密封改造：將轉(zhuǎn)子隔倉(cāng)數(shù)增加一倍，通常由24分倉(cāng)改為48分倉(cāng)，加寬扇形板，形成雙密封面，漏風(fēng)率可降低30%，通常漏風(fēng)率低于6%。不足之處是風(fēng)煙阻力略有增加，轉(zhuǎn)子重量增加；如將原傳熱元件拆包切割，易造成傳熱面積下降和損元件。鶴崗電廠采用了該方案。2）三道密封改造：在原雙密封改造基礎(chǔ)上，進(jìn)一步增加轉(zhuǎn)子隔倉(cāng)，加寬扇形板，形成三道密封面，漏風(fēng)率可在雙密封基礎(chǔ)上進(jìn)一步下降12%。但造成隔倉(cāng)過(guò)密，傳熱元件偏小，風(fēng)煙阻力上升10%左右。目前部分一次風(fēng)壓頭較高的新機(jī)組采用。3）拖拽式軟密封技術(shù)：類(lèi)似柔性密封技術(shù)，在徑向隔板原徑向密封片的基礎(chǔ)上，再增加一道較薄的有一定彈性和折角較大的密封片，以增加密封道數(shù)，并允許密封片與扇形板有一定接觸。在投運(yùn)初期能有效降低漏風(fēng)率（可至4%左右）。不足之處：只在間隙小于10mm時(shí)有效，大機(jī)組無(wú)LCS（間隙自調(diào)裝置）時(shí)熱端效果不明顯；運(yùn)行時(shí)間長(zhǎng)后接觸式密封片易磨損失效。板式空氣預(yù)熱器用在哪里？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北板式空氣預(yù)熱器,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405039677734/951043.jpg"></div><p> 因此，空預(yù)器堵塞的原因可以確定為因脫硝系統(tǒng)逃逸的氨與煙氣中的三氧化硫反應(yīng)生成***氫氨，并在空預(yù)器冷段沉積，造成空預(yù)器堵塞?？疹A(yù)器蓄熱元件清理方法空預(yù)器解體檢修后，按無(wú)脫硝系統(tǒng)運(yùn)行時(shí)的空預(yù)器清理方案，一般是進(jìn)行手工清理。由于無(wú)脫硝系統(tǒng)發(fā)生空預(yù)器積灰堵塞，均為干灰，人工用鋼絲刷等清理較為方便。但由脫硝系統(tǒng)運(yùn)行后，空預(yù)器堵塞物含***氫氨，質(zhì)地堅(jiān)硬，人工采用電動(dòng)鋼絲頭清理仍非常困難，現(xiàn)場(chǎng)處理經(jīng)驗(yàn)表明，清理一片蓄熱元件需45分鐘，不采取措施將嚴(yán)重拖延大修進(jìn)度。現(xiàn)場(chǎng)通過(guò)用工業(yè)沖洗浸泡的方法仍不能提高清理速度，后采用化學(xué)溶液浸泡后，將元件盒解包，再用高壓水槍沖洗的方法，才有效解決清理的問(wèn)題。經(jīng)化學(xué)清洗后，冷端蓄熱元件均得到徹底清理。實(shí)踐經(jīng)驗(yàn)表明：對(duì)于給定的SO2濃度和溫度，就實(shí)際生成的SO3量而言，SO3的生成率幾乎不變。在脫硝過(guò)程中由于氨的不完全反應(yīng)，SCR煙氣脫硝過(guò)程發(fā)生氨逃逸是必然的，并且氨逃逸隨時(shí)間會(huì)發(fā)生變化，氨逃逸率主要取決于以下因素：(1)注入氨流量分布均勻情況；(2)設(shè)定的NH3/NOx摩爾比；(3)催化劑堵塞情況；(4)催化劑老化情況。反應(yīng)生成的SO3進(jìn)一步同煙氣中逃逸的氨反應(yīng)，生成***氫氨或***氨。板式空氣預(yù)熱器特點(diǎn)是什么？?jī)?nèi)蒙古空氣預(yù)熱器聯(lián)系方式</p><p style="text-indent:25px">上海板換機(jī)械設(shè)備有限公司專(zhuān)業(yè)生產(chǎn)板式空氣預(yù)熱器設(shè)備。湖北板式空氣預(yù)熱器</p><p> 進(jìn)汽端比疏水端提高了約300mm左右，可以緩解了暖風(fēng)器泄漏幾率。在暖風(fēng)器處都增加了玻璃觀察窗，以方便運(yùn)行過(guò)程中檢查暖風(fēng)器是否內(nèi)漏。制粉系統(tǒng)投運(yùn)時(shí)盡量滿足著火能量機(jī)組每次停運(yùn)時(shí)，在條件允許的情況下，盡量將安裝有等離子點(diǎn)火裝置的磨煤機(jī)對(duì)應(yīng)煤斗燒空，并在下次機(jī)組啟動(dòng)前將該煤斗配上發(fā)熱量大于4500kcal/kg，揮發(fā)份較高的煤種。同時(shí)等離子磨煤機(jī)啟動(dòng)前應(yīng)保證二次風(fēng)溫大于200℃，以減少制粉系統(tǒng)啟動(dòng)初期大量不完全燃燒產(chǎn)物的生成，從而抑止空預(yù)器堵灰的發(fā)生。加強(qiáng)省煤器輸灰系統(tǒng)綜合治理鍋爐日常運(yùn)行中加強(qiáng)省煤器灰斗料位的監(jiān)視和控制，一旦發(fā)現(xiàn)高料位，立即聯(lián)系檢修進(jìn)行處理。同時(shí)利用停爐機(jī)會(huì)，檢查省煤器灰斗真實(shí)料位，徹底疏通輸灰管線。對(duì)空預(yù)器要進(jìn)行定期吹灰且吹灰蒸汽要保證足夠的過(guò)熱度吹灰至少每8小時(shí)進(jìn)行一次，如果發(fā)現(xiàn)空預(yù)器差壓有上升趨勢(shì)，應(yīng)縮短吹灰時(shí)間間隔。吹灰程序控制必須采取疏水溫度控制，不能通過(guò)時(shí)間簡(jiǎn)單判斷疏水是否干凈，必要時(shí)進(jìn)行疏水管路改造以確?？疹A(yù)器吹灰效果。加強(qiáng)吹灰閥門(mén)的綜合治理每次停爐后對(duì)空預(yù)器吹灰進(jìn)汽閥和吹灰***進(jìn)行檢查處理，保證運(yùn)行中不發(fā)生濕蒸汽泄漏到空預(yù)器換熱元件上。湖北板式空氣預(yù)熱器</p><p style="text-indent:25px">上海板換機(jī)械設(shè)備有限公司創(chuàng)建于2005-11-30，注冊(cè)資金 5000萬(wàn)元-1億元，辦公設(shè)施齊全，辦公環(huán)境優(yōu)越，已***實(shí)行網(wǎng)絡(luò)化辦公，**提高了速度和效率。在上海板換近多年發(fā)展歷史，公司旗下現(xiàn)有品牌上海板換等。公司以用心服務(wù)為**價(jià)值,希望通過(guò)我們的專(zhuān)業(yè)水平和不懈努力,將化工設(shè)備、環(huán)保設(shè)備及配件的制造加工及銷(xiāo)售，機(jī)械設(shè)備設(shè)計(jì)安裝（除特種設(shè)備外），在金山區(qū)山陽(yáng)鎮(zhèn)山寧路99號(hào)內(nèi)從事自有房屋租賃?！疽婪毥?jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)】。主要生產(chǎn)制造的產(chǎn)品包括可拆卸板式熱交換器、寬通道全焊接板式熱交換器、煙氣冷凝器、板式空氣預(yù)熱器、TP焊接換熱器、板框式熱交換器等。等業(yè)務(wù)進(jìn)行到底。上海板換機(jī)械設(shè)備有限公司主營(yíng)業(yè)務(wù)涵蓋[ "板式換熱器機(jī)組", "可拆式板式換熱器", "焊接式板式換熱器", "板式空氣預(yù)熱器" ]，堅(jiān)持“質(zhì)量***、質(zhì)量服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴(lài)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/886969.html</p></div></div></div></div></div><div id="uip8uwt" class="page-right twoColRt"><div id="gakfhyv" class="box01 margin10 clearfix"><h3><a 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