甘肅空氣預(yù)熱器哪個(gè)品牌好誠(chéng)信經(jīng)營(yíng) 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)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 過(guò)剩空氣系數(shù)是燃料燃燒時(shí)實(shí)際空氣需要量與理論空氣需要量之比值，用“α”表示。計(jì)算公式：α＝()其中：，O2實(shí)測(cè)值為儀器測(cè)量煙道中的O2值舉例：鍋爐測(cè)試時(shí)O2實(shí)測(cè)值為13%，計(jì)算出的過(guò)?？諝庀禂?shù)"><meta name="keywords" content="甘肅空氣預(yù)熱器哪個(gè)品牌好,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" 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id="d2990ws" class="twoCol"><div id="eikmjvs" 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)熱器哪個(gè)品牌好誠(chéng)信經(jīng)營(yíng) 上海板換機(jī)械設(shè)備供應(yīng)</p><div id="2ebyawo" class="leftbox clearfix"><h1>甘肅空氣預(yù)熱器哪個(gè)品牌好誠(chéng)信經(jīng)營(yíng) 上海板換機(jī)械設(shè)備供應(yīng)</h1><div id="mgdvn3a" class="proBig"><div id="8rtvc2p" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220411145419922/7208407.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fovxevs" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220411145419922/7208407.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="edf3bik" 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)熱器哪個(gè)品牌好,空氣預(yù)熱器</p><p><span>***更新：</span>2020-12-30 08:06:50</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dxz2khe" 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="i7xzroq" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="b82ifcj" class="box"><p><p> 過(guò)?？諝庀禂?shù)是燃料燃燒時(shí)實(shí)際空氣需要量與理論空氣需要量之比值，用“α”表示。計(jì)算公式：α＝()其中：，O2實(shí)測(cè)值為儀器測(cè)量煙道中的O2值舉例：鍋爐測(cè)試時(shí)O2實(shí)測(cè)值為13%，計(jì)算出的過(guò)?？諝庀禂?shù)α＝(％)＝國(guó)標(biāo)規(guī)定過(guò)剩空氣系數(shù)應(yīng)按α＝（燃煤鍋爐），α＝（燃油燃?xì)忮仩t）進(jìn)行折算。舉例：燃煤鍋爐，鍋爐測(cè)試時(shí)O2實(shí)測(cè)值為13%，SO2排放值500ppm，計(jì)算出的過(guò)?？諝庀禂?shù)α＝，那么根據(jù)國(guó)標(biāo)規(guī)定，折算后的SO2排放濃度＝SO2實(shí)測(cè)值×（α實(shí)際值/α國(guó)標(biāo)值）＝500ppm×（）=722ppm舉例：燃油燃?xì)忮仩t，鍋爐測(cè)試時(shí)O2實(shí)測(cè)值為13%，甘肅空氣預(yù)熱器哪個(gè)品牌好，甘肅空氣預(yù)熱器哪個(gè)品牌好，SO2排放值500ppm，甘肅空氣預(yù)熱器哪個(gè)品牌好，計(jì)算出的過(guò)?？諝庀禂?shù)α＝，那么根據(jù)國(guó)標(biāo)規(guī)定，折算后的SO2排放濃度＝SO2實(shí)測(cè)值×（α實(shí)際值/α國(guó)標(biāo)值）＝500ppm×（）=1083ppm空預(yù)器漏風(fēng)依據(jù)下列各式計(jì)算：α=21/21-o2Δα=α2-α1δ=。板式空氣預(yù)熱器是一種化工行業(yè)經(jīng)常使用的節(jié)能、環(huán)保設(shè)備。甘肅空氣預(yù)熱器哪個(gè)品牌好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅空氣預(yù)熱器哪個(gè)品牌好,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220411145419922/7208407.jpg"></div><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換熱器周圍預(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=），進(jìn)水和回水口都應(yīng)安裝。4．接上輸送泵和連接導(dǎo)管，使清洗劑從換熱器的底部泵入，從頂部流出。5．開始向換熱器里泵入所需要的清洗劑。河北石化空氣預(yù)熱器板式空氣預(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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅空氣預(yù)熱器哪個(gè)品牌好,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220415160732422/6470394.jpg"></div><p> 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、安裝和服務(wù)的中德合資企業(yè)。公司致力于為國(guó)內(nèi)外石油/天然氣行業(yè)、船舶行業(yè)、暖通空調(diào)行業(yè)、化工行業(yè)、食品醫(yī)藥行業(yè)、電力行業(yè)、生物能源行業(yè)、冶金行業(yè)、機(jī)械制造行業(yè)、造紙行業(yè)等客戶提供***的板式熱交換設(shè)備。 </p> <p> 公司現(xiàn)有16大系列、20余品種的熱交換設(shè)備，主要產(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。公司立足上海，服務(wù)全球，在全球設(shè)立多處服務(wù)網(wǎng)絡(luò)，以滿足客戶需求。 </p><p> 轉(zhuǎn)子隔倉(cāng)由中心筒和外部分倉(cāng)組成。轉(zhuǎn)子中心筒包括中心筒輪轂和內(nèi)部分倉(cāng)，其中轉(zhuǎn)子主徑向隔板與中心筒輪轂連為一體。從中心筒向外延伸的主徑向隔板將轉(zhuǎn)子分為24倉(cāng)，這些分倉(cāng)又被二次徑向隔板分隔呈48倉(cāng)。主徑向隔板和二次徑向隔板之間的環(huán)向隔板起加強(qiáng)轉(zhuǎn)子結(jié)構(gòu)和支撐換熱元件盒的作用。轉(zhuǎn)子與換熱元件等轉(zhuǎn)動(dòng)件的全部重量由底部的球面滾子軸承支撐，而位于頂部的球面滾子導(dǎo)向軸承則用來(lái)承受徑向水平載荷。三分倉(cāng)設(shè)計(jì)的空預(yù)器通過(guò)有三種不同的氣流，即煙氣、二次風(fēng)和一次風(fēng)。煙氣位于轉(zhuǎn)子的一側(cè)，而相對(duì)的另一側(cè)為二次風(fēng)側(cè)和一次風(fēng)側(cè)。上述三種氣流之間各由三組扇形板和軸向密封板相互隔開。煙氣和空氣流向相反，即煙氣向下、一次風(fēng)和二次風(fēng)向上。通過(guò)改變扇形板和軸向密封板的寬度可以實(shí)現(xiàn)雙密封和三密封，以滿足對(duì)空預(yù)器總漏風(fēng)率和一次風(fēng)漏風(fēng)率的要求。3、轉(zhuǎn)子外殼轉(zhuǎn)子外殼封閉轉(zhuǎn)子并構(gòu)成空預(yù)器的一部分，由低碳鋼板制成。轉(zhuǎn)子外殼由六個(gè)部分現(xiàn)場(chǎng)組裝而成正八面**于兩個(gè)端柱之間。端柱兩側(cè)的轉(zhuǎn)子外殼由四套鉸鏈側(cè)柱支撐在用戶鋼架上，鉸鏈側(cè)柱的布置角考慮到了轉(zhuǎn)子外殼和鉸鏈側(cè)柱能沿空預(yù)器中心向外自由、均勻膨脹。什么是板式空氣預(yù)熱器？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅空氣預(yù)熱器哪個(gè)品牌好,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405039599609/9723902.jpg"></div><p> 達(dá)到破壞板片表面鈍化層的腐蝕條件。同時(shí)，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(chǎng)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(shí)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(guò)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(shí)面積偏小，造成板間流速過(guò)高而壓降偏大。③板式換熱器運(yùn)行一段時(shí)間后，因板片表面結(jié)垢引起壓降過(guò)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(shí)。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(shí)，設(shè)計(jì)單位在水泵選型時(shí)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(guò)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)熱器適用哪些工況？吉林食品空氣預(yù)熱器</p><p style="text-indent:25px">板式空氣預(yù)熱器怎么清洗？甘肅空氣預(yù)熱器哪個(gè)品牌好</p><p> 在選擇傳熱元件時(shí)，要考慮到用戶的實(shí)際情況，從設(shè)備長(zhǎng)期安全穩(wěn)定運(yùn)行的角度出發(fā)，適應(yīng)煤種在一定范圍內(nèi)的變化，確保在使用過(guò)程中不堵灰，保持較低的排煙溫度，保證在長(zhǎng)時(shí)間的運(yùn)行過(guò)程中，鍋爐的效率保持在較高水平。而不能*考慮單一設(shè)計(jì)煤種，在燃料變化后，無(wú)法滿足機(jī)組經(jīng)濟(jì)、穩(wěn)定和安全運(yùn)行的需要。元件板型的選擇需同時(shí)考慮傳熱效果、流通阻力和堵灰可能三個(gè)因素。采用傳熱效果好的傳熱元件能降**造成本，但是不一定流通阻力小或耐堵灰，造成運(yùn)行成本上升。例如某公司在預(yù)熱器冷段采用HS7、HS8等DU系列波形元件，雖然預(yù)熱器轉(zhuǎn)子重量變輕，但是當(dāng)燃料灰分變多，或用于SCR預(yù)熱器時(shí)，很容易造成堵灰，使阻力上升。傳熱效果和流通阻力往往構(gòu)成一對(duì)矛盾，因?yàn)樘岣邠Q熱效果是通過(guò)加強(qiáng)氣流通道的局部紊流狀況，即加大換熱表面波紋密度或傾斜角，但這種方式也同時(shí)加大了流通阻力系數(shù)。甘肅空氣預(yù)熱器哪個(gè)品牌好</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2627962.html</p></div></div></div></div></div><div id="3wyvxzr" class="page-right twoColRt"><div id="vp7urdf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lfxe2ah" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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