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clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(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>?安徽空氣預(yù)熱器加盟來電咨詢上海板換機械設(shè)備供應(yīng)</p><div id="8sprgcz" class="leftbox clearfix"><h1>安徽空氣預(yù)熱器加盟來電咨詢上海板換機械設(shè)備供應(yīng)</h1><div id="kzt7e3y" class="proBig"><div id="tif9jij" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405032539062/8800983.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="33npl77" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405032539062/8800983.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pj2dvc8" 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>安徽空氣預(yù)熱器加盟,空氣預(yù)熱器</p><p><span>***更新：</span>2021-01-11 11:09:46</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="jxedpg9" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海板換機械設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>張云周</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: </span>021-57247534</p><p><span>地址: </span>山陽鎮(zhèn)山寧路99號</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="d7mtqsh" class="page-proshow02"><p class="title">詳細說明</p><div id="fuwqmtc" class="box"><p><p> 空預(yù)器吹灰壓力、疏水溫度，脫硝催化劑出口氨逃逸等表計的檢測維護，安徽空氣預(yù)熱器加盟，保證指示準確，安徽空氣預(yù)熱器加盟。空預(yù)器檢修中要通過校直大軸、修復(fù)密封片、利用新型密封技術(shù)等降低空預(yù)器漏風(fēng)率，提高空預(yù)器出口排煙溫度。C級及以上計劃檢修時，根據(jù)空預(yù)器腐蝕、積灰情況把蓄熱元件拆包徹底清洗，冷、熱端蓄熱元件復(fù)裝時調(diào)換位置使用。部分電廠聘請專業(yè)清洗公司用高壓射流清洗車對空預(yù)器蓄熱元件在不吊出的情況下進行沖洗?？疹A(yù)器堵塞嚴重的，要分析蓄熱元件高度和直徑設(shè)計是否合理，必要時進行大通道蓄熱元件換型改造（改成L型直通道），或進行空預(yù)器增加直徑改造。投用暖風(fēng)器或熱風(fēng)再循環(huán)系統(tǒng)，將對機組經(jīng)濟性產(chǎn)生不利影響，機組煤耗將上升1-3g/kWh，因此，在冷端綜合溫度（或冷端平均溫度）滿足要求的情況下，安徽空氣預(yù)熱器加盟，應(yīng)及時停用暖風(fēng)器或熱風(fēng)再循環(huán)系統(tǒng)，防止過量投入造成能耗增加。板式空氣預(yù)熱器使用在裂解爐。安徽空氣預(yù)熱器加盟</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽空氣預(yù)熱器加盟,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405032539062/8800983.jpg"></div><p> 按制造廠提供的夾緊尺寸重新夾緊設(shè)備，尺寸應(yīng)均勻一致，壓緊尺寸的偏差應(yīng)不大于±0．2N(mm)(N。為板片總數(shù)），兩壓緊板間的平行度應(yīng)保持在2mm以內(nèi)。②在外漏部位上做好標記，然后換熱器解體逐一排查解決，重新裝配或更換墊片和板片。③將開換熱器解體，對板片變形部位進行修理或者更換板片。在沒有板片備件時可將變形部位板片暫時拆除后重新組裝使用。④重新組裝拆開的板片時，應(yīng)清潔板面，防止污物粘附著于墊片密封面。板式換熱器串液產(chǎn)生原因：①由于板材選擇不當導(dǎo)致板片腐蝕產(chǎn)生裂紋或穿孔。②操作條件不符合設(shè)計要求。③板片冷沖壓成型后的殘余應(yīng)力和裝配中夾緊尺寸過小造成應(yīng)力腐蝕。④板片泄漏槽處有輕微滲漏，造成介質(zhì)中有害物質(zhì)（如C1）濃縮腐蝕板片。形成串液?，F(xiàn)場分析發(fā)現(xiàn)，系統(tǒng)運行溫度、流量和濃度等工藝參數(shù)均超出設(shè)計條件，使用溫度遠超出材料的適用范圍。采用飽和蒸汽作為一次側(cè)熱源的板式換熱器在運行過程中容易發(fā)生板片腐蝕。導(dǎo)致產(chǎn)品串液。這是由于蒸汽溫度較高，設(shè)備運行中很容易造成橡膠密封墊在高溫下失效，引起蒸汽外漏并在二道密封區(qū)域急速冷凝。隨著外漏的不斷進行，冷凝殘液越聚越多，局部形成cl質(zhì)量濃度較高區(qū)域。安徽空氣預(yù)熱器加盟板式空氣預(yù)熱器有什么特點？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽空氣預(yù)熱器加盟,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405039677734/951043.jpg"></div><p> 上海板換機械設(shè)備有限公司是專業(yè)從事板式熱交換器及其成套裝置設(shè)計、制造、安裝和服務(wù)的中德合資企業(yè)。板式空氣預(yù)熱器是一種節(jié)能環(huán)保設(shè)備，使用平板或波紋板，板片周邊通過焊接或機械固定形成板束，整機采用積木式設(shè)計，組合方式靈活多變，結(jié)構(gòu)適應(yīng)性強，特有的空氣膜TM技術(shù)能夠有效解決**腐蝕問題，適用于煉油、化工、鋼鐵、冶金、電力工業(yè)等行業(yè)?？蓪崿F(xiàn)模塊化、組合化、大型化，空間尺寸調(diào)節(jié)靈活板式換熱元件的傳熱系數(shù)比管式傳熱元件高1-3倍，且可根據(jù)冷、熱介質(zhì)換熱前后的體積變化，采用流道間距與流動長度的優(yōu)化組合，實現(xiàn)傳熱性能與壓降的比較好化設(shè)計換熱流道內(nèi)無死區(qū)，不易積灰，即便積灰也便于清洗，且可做到在線清洗對不同介質(zhì)、工況可針對性的選擇適用材料，從而保證設(shè)備壽命，而且可采用高低溫分級設(shè)計，不同溫度段可使用不同材料。 </p><p style="text-indent:25px"> 上海板換機械設(shè)備有限公司是專業(yè)從事板式熱交換器及其成套裝置設(shè)計、制造、安裝和服務(wù)的中德合資企業(yè)。公司生產(chǎn)的板式空氣預(yù)熱器是一種節(jié)能設(shè)備，使用在制氫轉(zhuǎn)化爐、裂解爐、加熱爐、鋼鐵工業(yè)的煉鋼爐、廢氣催化焚燒爐、熱風(fēng)爐等產(chǎn)生的高溫?zé)煔馀c燃燒所用冷空氣進行換熱的設(shè)備。板式空氣預(yù)熱器的作用是使高溫?zé)煔饫鋮s，減少有害氣體排放，提高燃燒空氣溫度，降低能源消耗，是一種煉油、化工、鋼鐵、冶金、電力工業(yè)等行業(yè)經(jīng)常使用的節(jié)能環(huán)保設(shè)備。板式空氣預(yù)熱器能夠在相同的設(shè)計條件下提高空氣預(yù)熱溫度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽空氣預(yù)熱器加盟,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410558876953/2374940.jpg"></div><p style="text-indent:25px"> 空預(yù)器吹灰器故障、減壓閥調(diào)節(jié)性能不好，蒸汽帶水，不但減弱吹灰效果，嚴重時還會在高溫下與積灰泥化板結(jié)。吹灰蒸汽閥門不嚴泄露鍋爐空預(yù)器吹灰進汽閥門不嚴密，導(dǎo)致水蒸氣漏入空預(yù)器內(nèi)部，導(dǎo)致空預(yù)器堵塞。故此，在每次停爐時，對空預(yù)器吹灰進汽閥進行檢查處理，能有效避免此原因?qū)е碌亩氯l(fā)生?？疹A(yù)器水沖洗不徹底鍋爐每次停爐后，都要進行空預(yù)器水沖洗，沖洗過程一定要徹底，可采用透光法等手段進行檢查，避免沖洗不徹底。否則會在極短時間內(nèi)加重堵塞，失去沖洗的意義?？疹A(yù)器壓差偏大，而在實行**排放后，這一現(xiàn)象更加突出。高負荷時達到，吹灰器投運后效果不明顯，原因分析如下：空預(yù)器堵塞燃煤鍋爐爐膛內(nèi)煙氣中的SO2約有％～％被氧化成SO3。加裝SCR系統(tǒng)后，催化劑在把NOx還原成Ｎ２的同時，將約％的SO2氧化成SO3。SCR反應(yīng)器出口煙氣中存在的未反應(yīng)的逃逸氨（NH３）、SO３及水蒸氣反應(yīng)生成***氫氨或***氨：ＮＨ３＋ＳＯ３＋Ｈ２Ｏ→ＮＨ４ＨＳＯ４２ＮＨ３＋ＳＯ３＋Ｈ２Ｏ→（ＮＨ４）２ＳＯ４當煙氣中的ＮＨ３含量遠高于SO3濃度時，主要生成干燥的粉末狀***氨，不會對空預(yù)器產(chǎn)生粘附結(jié)垢。當煙氣中的SO3濃度高于逃逸氨濃度時，主要生成***氫氨（ABS）。板式空氣預(yù)熱器分為蓄熱式和間壁式。安徽空氣預(yù)熱器制造公司</p><p style="text-indent:25px">專業(yè)板式空氣預(yù)熱器廠家。安徽空氣預(yù)熱器加盟</p><p> 一般各自廠家根據(jù)自己的板型都有自己的選型軟件。國際上通用的軟件有HTRI，HTFS等。通用的計算軟件公開的很少，國內(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算軟件，可供參考使用。板式換熱器常見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、出口壓降超過設(shè)計要求，甚至高出設(shè)計值許多倍，嚴重影響系統(tǒng)對流量和溫度的要求。在供暖系統(tǒng)中，若熱側(cè)壓降過大，則一次側(cè)流量將嚴重不足，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，達不到設(shè)計要求。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，隨時可以打開清洗，同時由于板面光潔，湍流程度高，不易結(jié)垢。安徽空氣預(yù)熱器加盟</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2801255.html</p></div></div></div></div></div><div id="pjlifr8" class="page-right twoColRt"><div id="kel388t" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="eya7l8r" class="recomPic likePro"><a 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