甘肅空氣預(yù)熱器生產(chǎn)廠家上海板換機(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=" 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"><meta name="keywords" content="甘肅空氣預(yù)熱器生產(chǎn)廠家"><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 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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="zi5bie9" class="twoCol"><div id="kispwnh" 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>?甘肅空氣預(yù)熱器生產(chǎn)廠家上海板換機(jī)械設(shè)備供應(yīng)</p><div id="xcwdamg" class="leftbox clearfix"><h1>甘肅空氣預(yù)熱器生產(chǎn)廠家上海板換機(jī)械設(shè)備供應(yīng)</h1><div id="xro38n7" class="proBig"><div id="ynuwoqx" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220414500673828/8758232.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ras3lbi" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220414500673828/8758232.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kjgikr8" 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>甘肅空氣預(yù)熱器生產(chǎn)廠家</p><p><span>***更新：</span>2020-06-18 12:28:08</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="zdfho27" 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="ziax3qz" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="aumt3eg" class="box"><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，甘肅空氣預(yù)熱器生產(chǎn)廠家，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，甘肅空氣預(yù)熱器生產(chǎn)廠家，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，甘肅空氣預(yù)熱器生產(chǎn)廠家。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅空氣預(yù)熱器生產(chǎn)廠家" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220414500673828/8758232.jpg"></div><p> 高爐煤氣是冶金聯(lián)合企業(yè)主要的副產(chǎn)廢氣，經(jīng)過(guò)凈化處理，是一種輸送和使用方便、燃燒后又無(wú)需排渣和除塵的質(zhì)量環(huán)保能源，我國(guó)大部分的冶金企業(yè)都采取了煤氣回收利用措施，但隨著高爐原料條件的改善和裝備水平的提高，高爐煤氣的發(fā)熱值越來(lái)越低（大型高爐煤氣熱值已降到3140kJ/m3，中小高爐分別降到3340~3550kJ/m3和3760~3970kJ/m3），因此如何有效提高高爐風(fēng)溫成為一個(gè)重要課題。高爐熱風(fēng)爐采用空氣、煤氣雙預(yù)熱是提高風(fēng)溫的有效途徑。燃燒單一高爐煤氣（熱值3369kJ/m3），不預(yù)熱時(shí)，其理論燃燒溫度只有1280℃；只預(yù)熱空氣到250℃時(shí)，其理論燃燒溫度提高到1330℃；而空氣、煤氣雙預(yù)熱到170℃時(shí)，能提高到1380℃。u工藝：利用300℃左右的煙氣分別預(yù)熱助燃空氣、高爐煤氣至約150℃。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅空氣預(yù)熱器生產(chǎn)廠家" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220415160732422/6470394.jpg"></div><p> 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。加壓密封技術(shù)：通常用于GGH，即GGH的低泄漏風(fēng)系統(tǒng)。綜合性密封技術(shù)：部分廠家綜合以上多種技術(shù)的特點(diǎn)，對(duì)空預(yù)器徑向、軸向、周向（旁路）密封和相關(guān)靜密封進(jìn)行針對(duì)性設(shè)計(jì)，實(shí)施漏風(fēng)率控制；1）運(yùn)行調(diào)節(jié)及維護(hù)注意事項(xiàng)1）除精心控制好徑向、軸向密封間隙外，還要注意控制好密封板的端部密封。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/301643.html</p></div></div></div></div></div><div id="tcuwdpm" class="page-right twoColRt"><div id="ynkh8pb" class="box01 margin10 clearfix"><h3><a 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