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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="uop483u" class="twoCol"><div id="jciba8e" class="page-proshow clearfix"><p class="current"> 當(dāng)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(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>?重慶空氣預(yù)熱器生產(chǎn)商來電咨詢上海板換機(jī)械設(shè)備供應(yīng)</p><div id="fzvtehs" class="leftbox clearfix"><h1>重慶空氣預(yù)熱器生產(chǎn)商來電咨詢上海板換機(jī)械設(shè)備供應(yīng)</h1><div id="ztzsyjf" class="proBig"><div id="f8s8nop" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410559414062/9489232.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="aagzkqr" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410559414062/9489232.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zy2kzf8" 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>重慶空氣預(yù)熱器生產(chǎn)商,空氣預(yù)熱器</p><p><span>***更新：</span>2021-01-05 03:05:13</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3esok8n" 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>山陽鎮(zhèn)山寧路99號</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="eekbcne" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ejfbs83" class="box"><p><p style="text-indent:25px"> 上海板換機(jī)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(jì)、制造，重慶空氣預(yù)熱器生產(chǎn)商、安裝和服務(wù)的中德合資企業(yè)。秉承“誠信為本精益求精”的經(jīng)營理念，重慶空氣預(yù)熱器生產(chǎn)商，始終堅(jiān)持以先進(jìn)的技術(shù)、優(yōu)良的品質(zhì)、持續(xù)的改進(jìn)和周到的服務(wù)，滿足或超越客戶需求。從產(chǎn)品的設(shè)計(jì)、制造，重慶空氣預(yù)熱器生產(chǎn)商、檢驗(yàn)到服務(wù)均有完善的體系保證，公司通過了ISO 9001質(zhì)量管理體系、ISO 14001環(huán)境管理體系、OHSAS 18001職業(yè)健康安全管理體系認(rèn)證，切實(shí)保證了顧客、員工、社會對產(chǎn)品和服務(wù)質(zhì)量、職業(yè)健康、安全、環(huán)境等方面的要求。用板式空氣預(yù)熱器回收高溫?zé)煔鉄崮?，預(yù)熱廢氣溫度。重慶空氣預(yù)熱器生產(chǎn)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶空氣預(yù)熱器生產(chǎn)商,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410559414062/9489232.jpg"></div><p> 板式換熱器是由一系列具有一定波紋形狀的金屬片疊裝而成的一種換熱器。各種板片之間形成薄矩形通道，通過板片進(jìn)行熱量交換。板式換熱器是液—液、液—汽進(jìn)行熱交換的理想設(shè)備。它具有換熱效率高、熱損失小、結(jié)構(gòu)緊湊輕巧、占地面積小、應(yīng)用廣、使用壽命長等特點(diǎn)。在相同壓力損失情況下，其傳熱系數(shù)比管式換熱器高3-5倍，占地面積為管式換熱器的三分之一，熱回收率可高達(dá)90%以上板片和墊片的四個角孔形成了流體的分配管和匯集管，同時又合理地將冷熱流體分開，使其分別在每塊板片兩側(cè)的流道中流動，通過板片進(jìn)行熱交換。[3]板式換熱器的優(yōu)化設(shè)計(jì)計(jì)算，就是在已知溫差比NTUE的條件下，合理地確定其型號、流程和傳熱面積，使NTUp等于NTUE。[4]板式換熱器基本組成結(jié)構(gòu)：⒈板式換熱器板片和板式換熱器密封墊片⒉固定壓緊板⒊活動壓緊板⒋夾緊螺栓⒌上導(dǎo)桿⒍下導(dǎo)桿⒎后立柱板式換熱器特點(diǎn)編輯（板式換熱器與管殼式換熱器的比較）a.傳熱系數(shù)高；由于不同的波紋板相互倒置，構(gòu)成復(fù)雜的流道，使流體在波紋板間流道內(nèi)呈旋轉(zhuǎn)三維流動，能在較低的雷諾數(shù)（一般Re=50~200）下產(chǎn)生紊流，所以傳熱系數(shù)高，一般認(rèn)為是管殼式的3~5倍。[2]b.對數(shù)平均溫差大，末端溫差小。在管殼式換熱器中。新疆質(zhì)量空氣預(yù)熱器板式空氣預(yù)熱器不易積灰結(jié)垢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶空氣預(yù)熱器生產(chǎn)商,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405031093750/2889219.jpg"></div><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）密封方式簡介1)雙道密封改造：將轉(zhuǎn)子隔倉數(shù)增加一倍，通常由24分倉改為48分倉，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，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%。但造成隔倉過密，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時有效，大機(jī)組無LCS（間隙自調(diào)裝置）時熱端效果不明顯；運(yùn)行時間長后接觸式密封片易磨損失效。 </p><p> 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(yán)重時還會在高溫下與積灰泥化板結(jié)。吹灰蒸汽閥門不嚴(yán)泄露鍋爐空預(yù)器吹灰進(jìn)汽閥門不嚴(yán)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(jìn)汽閥進(jìn)行檢查處理，能有效避免此原因?qū)е碌亩氯l(fā)生。空預(yù)器水沖洗不徹底鍋爐每次停爐后，都要進(jìn)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(jìn)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(shí)行超低排放后，這一現(xiàn)象更加突出。高負(fù)荷時達(dá)到，吹灰器投運(yùn)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(dāng)煙氣中的ＮＨ３含量遠(yuǎn)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(dāng)煙氣中的SO3濃度高于逃逸氨濃度時，主要生成***氫氨（ABS）。在一些焚燒爐系統(tǒng)中用板式空氣預(yù)熱器提高系統(tǒng)效率。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶空氣預(yù)熱器生產(chǎn)商,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410558876953/2374940.jpg"></div><p> 達(dá)到破壞板片表面鈍化層的腐蝕條件。同時，由于此區(qū)域板片冷沖壓形成的內(nèi)部應(yīng)力較大，在表面鈍化層被破壞的情況下，內(nèi)部應(yīng)力作用導(dǎo)致應(yīng)力腐蝕的發(fā)生。處理方法：①更換有裂紋或穿孔板片，在現(xiàn)場用透光法查找板片裂紋。②調(diào)整運(yùn)行參數(shù)，使其達(dá)到設(shè)計(jì)條件。③換熱器維修組裝時夾緊尺寸應(yīng)符合要求，并不是越小越好。④板式換熱器板片材料合理匹配。壓降過大產(chǎn)生原因：①運(yùn)行系統(tǒng)管路未進(jìn)行正常吹洗，特別是新安裝系統(tǒng)管路中許多臟物（如焊渣等）進(jìn)入板式換熱器的內(nèi)部。由于板式換熱器流道截面積較窄，換熱器內(nèi)的沉淀物和懸浮物聚集在角孔處和導(dǎo)流區(qū)內(nèi)，導(dǎo)致該處的流道面積大為減小，造成壓力主要損失在此部位。②板式換熱器選型時面積偏小，造成板間流速過高而壓降偏大。③板式換熱器運(yùn)行一段時間后，因板片表面結(jié)垢引起壓降過大。實(shí)例：2000年我廠為新疆用戶提供了BR10型板式換熱器，用于水一水換熱的集中供熱系統(tǒng)，一次供水設(shè)計(jì)溫度為130℃。在換熱器設(shè)計(jì)選型時。傳熱導(dǎo)數(shù)偏高，接近5500w/(rn·K），而實(shí)際應(yīng)在3500w/(rn·K）。同時，設(shè)計(jì)單位在水泵選型時流量余量又偏大，造成換熱器二次側(cè)介質(zhì)板間流速超過1m/s，實(shí)際運(yùn)行壓降在～MPa，使得二次網(wǎng)水力平衡嚴(yán)重失調(diào)。板式空氣預(yù)熱器柱狀平板適用于氣體雜質(zhì)較多或工藝清洗要求較高的場合。重慶食品空氣預(yù)熱器</p><p style="text-indent:25px">板式空氣預(yù)熱器制造廠家有哪些？重慶空氣預(yù)熱器生產(chǎn)商</p><p style="text-indent:25px">銷售的未來正面臨著**性的大洗牌與大變革。需要注意的是智能制造是方向，不是目的，轉(zhuǎn)型升級是主線，降本提質(zhì)增效是重點(diǎn)。在機(jī)械行業(yè)中主要研發(fā)產(chǎn)品有板式換熱器機(jī)組，可拆式板式換熱器，焊接式板式換熱器，板式空氣預(yù)熱器等，現(xiàn)如今在市場經(jīng)濟(jì)體制的影響下，企業(yè)為積極參與市場競爭，實(shí)施品牌戰(zhàn)略，大力發(fā)展自主品牌，創(chuàng)立了自己的品牌，才能在競爭中贏得一席之地。同時，環(huán)保政策將趨向嚴(yán)格——2020年起將加速有限責(zé)任公司“國三”標(biāo)準(zhǔn)以下設(shè)備報(bào)廢清退;起重機(jī)與挖機(jī)不同，屬于道路移動機(jī)械，環(huán)保政策更為嚴(yán)格，設(shè)備報(bào)廢清退執(zhí)行更為徹底，目前可銷售設(shè)備為“國五”及以上，但存量設(shè)備有一半左右為“國四”及以下標(biāo)準(zhǔn)，2019年7月開始推行“國六”，判斷“國三”、“國四”清退也為“國六”設(shè)備銷售騰挪空間。無論是從減輕環(huán)境負(fù)擔(dān)，還是打破對外貿(mào)易壁壘等方面考慮，節(jié)能環(huán)保之路都將成為化工設(shè)備、環(huán)保設(shè)備及配件的制造加工及銷售，機(jī)械設(shè)備設(shè)計(jì)安裝（除特種設(shè)備外），在金山區(qū)山陽鎮(zhèn)山寧路99號內(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)部門批準(zhǔn)后方可開展經(jīng)營活動】。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。發(fā)展的主流趨勢。今后中國機(jī)械產(chǎn)業(yè)的發(fā)展將更加注重轉(zhuǎn)型升級，而在具體的實(shí)施策略中，節(jié)能環(huán)保將成為主要的發(fā)展方向。重慶空氣預(yù)熱器生產(chǎn)商</p></p><br 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