江蘇空氣預(yù)熱器制造公司推薦咨詢上海板換機(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=" 國內(nèi)部分進(jìn)行煙氣脫硝改造機(jī)組對空預(yù)器低溫段元件鍍搪瓷，空預(yù)器冷段換熱元件即使采用鍍搪瓷元件，如果沒有有效的吹灰清洗裝置相配套，同樣會(huì)發(fā)生嚴(yán)重的堵灰。搪瓷鍍層能***降低***氫氨的結(jié)垢速率，江"><meta name="keywords" content="江蘇空氣預(yù)熱器制造公司,空氣預(yù)熱器"><link rel="canonical" href="http://m.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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href="http://m.cdcfah.com/cp/third-crsbje_qtcrsbpw/">其他傳熱設(shè)備</a>?江蘇空氣預(yù)熱器制造公司推薦咨詢上海板換機(jī)械設(shè)備供應(yīng)</p><div id="7asogiz" class="leftbox clearfix"><h1>江蘇空氣預(yù)熱器制造公司推薦咨詢上海板換機(jī)械設(shè)備供應(yīng)</h1><div id="im8wtvm" class="proBig"><div id="q8sk27b" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405031093750/2889219.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8ho3fug" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405031093750/2889219.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mta9bdf" 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>江蘇空氣預(yù)熱器制造公司,空氣預(yù)熱器</p><p><span>***更新：</span>2021-01-10 05:06:51</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="jn8ykmt" 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(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="tcueg2t" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qkcwd7s" class="box"><p><p> 國內(nèi)部分進(jìn)行煙氣脫硝改造機(jī)組對空預(yù)器低溫段元件鍍搪瓷，空預(yù)器冷段換熱元件即使采用鍍搪瓷元件，如果沒有有效的吹灰清洗裝置相配套，同樣會(huì)發(fā)生嚴(yán)重的堵灰。搪瓷鍍層能***降低***氫氨的結(jié)垢速率，江蘇空氣預(yù)熱器制造公司，但如鍍層因加工質(zhì)量而損裂，將不利于防止***氫氨的吸附，江蘇空氣預(yù)熱器制造公司。氨逃逸濃度過高氨逃逸濃度越大，空預(yù)器阻力增加的越快。煙氣脫硝裝置運(yùn)行過程中，除了極端工況造成短時(shí)間內(nèi)過量噴氨外。當(dāng)氨噴射系統(tǒng)設(shè)計(jì)不當(dāng)、煙氣流場分布不均勻或者噴氨格柵局部噴嘴被堵塞時(shí)，也會(huì)造成反應(yīng)器出口局部區(qū)域的氨逃逸過量。不同程度的氨逃逸是造成空預(yù)器堵塞的主要原因。對于煙氣脫硝裝置，除通過氨噴射系統(tǒng)、導(dǎo)流系統(tǒng)、混合系統(tǒng)的設(shè)計(jì)提高煙氣流場的分布均勻性外，日常運(yùn)行過程中，還需嚴(yán)格控制噴氨量，防止過度噴氨，并定期進(jìn)行氨噴射系統(tǒng)的噴氨流量平衡調(diào)整，防止局部噴氨過大造成氨逃逸濃度升高。3.空預(yù)器堵塞的預(yù)防為了更好地控制空預(yù)器堵塞情況，必須采取技術(shù)手段，杜絕空預(yù)器堵塞的原因，從根本上降低或者杜絕空預(yù)器堵塞情況發(fā)生，江蘇空氣預(yù)熱器制造公司。SCR**排放前的一般手段冬季加強(qiáng)暖風(fēng)器綜合治理利用停爐機(jī)會(huì)對暖風(fēng)器進(jìn)行改造，以徹底解決因暖風(fēng)器疏水不暢通引起振動(dòng)而引起內(nèi)漏?？煽紤]對暖風(fēng)器進(jìn)行改造。板式空氣預(yù)熱器占地面積小。江蘇空氣預(yù)熱器制造公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇空氣預(yù)熱器制造公司,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405031093750/2889219.jpg"></div><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，確保在使用過程中不堵灰，保持較低的排煙溫度，保證在長時(shí)間的運(yùn)行過程中，鍋爐的效率保持在較高水平。而不是像某些公司一樣，*考慮單一設(shè)計(jì)煤種，在燃料變化后，無法滿足機(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)成一對矛盾，因?yàn)樘岣邠Q熱效果是通過加強(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)。本著對用戶負(fù)責(zé)的態(tài)度，在選用波形和煤種的匹配上，在傳熱元件的選擇上的做法是根據(jù)燃料的特性選擇合適的傳熱元件板型，通常在預(yù)熱器熱段和中溫段選擇DU3、DN、DL等波型傳熱元件，匹配從無煙煤到褐煤燃料。重慶質(zhì)量空氣預(yù)熱器板式空氣預(yù)熱器特點(diǎn)是什么？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇空氣預(yù)熱器制造公司,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410559414062/9489232.jpg"></div><p> 防止空預(yù)器堵灰、腐蝕措施適應(yīng)范圍：空預(yù)器堵灰、腐蝕嚴(yán)重的鍋爐技術(shù)原理與要點(diǎn)：空預(yù)器綜合冷端溫度（空預(yù)器進(jìn)口空氣溫度與煙氣出口平均溫度之和）對冷端結(jié)露和腐蝕、堵灰影響較大。空預(yù)器出口綜合冷端溫度如低于酸**溫度，空預(yù)器冷端很快就會(huì)積灰，一周內(nèi)就形成極難去除的板結(jié)垢。冷端溫度目標(biāo)值應(yīng)根據(jù)“綜合冷端溫度與燃料含硫量變化曲線”確定，并根據(jù)燃用煤種性質(zhì)進(jìn)行修正，除收到基全硫（St,ar）＜，燃用其他煤種原則上不要低于130℃。煙氣酸**主要受燃煤中的硫分、灰分、灰成分（特別是灰中Ca含量）、水分和發(fā)熱量的影響，灰分和灰中Ca含量越高，酸**越低；硫分和水分越高，酸**越高。由于不同酸**計(jì)算經(jīng)驗(yàn)公式計(jì)算出的數(shù)值偏差較大，對燃用煤種相對穩(wěn)定的鍋爐，應(yīng)通過調(diào)整冷端溫度觀察空預(yù)器差壓變化趨勢等方法，確定該煤種對應(yīng)的目標(biāo)綜合溫度控制值，并根據(jù)空預(yù)器煙氣側(cè)差壓變化情況及時(shí)提高空預(yù)器冷端溫度控制值。為提高控制精度和減輕運(yùn)行人員調(diào)整工作量，空預(yù)器綜合冷端溫度控制目標(biāo)值建議通過原煙氣SO2濃度、燃煤量、煙氣量等參數(shù)實(shí)時(shí)計(jì)算并參與自動(dòng)調(diào)節(jié)。機(jī)組啟/停階段要注重冷端溫度控制。 </p><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。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="江蘇空氣預(yù)熱器制造公司,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410558876953/2374940.jpg"></div><p> 投入暖風(fēng)器或熱風(fēng)再循環(huán)努力控制空預(yù)器綜合冷端溫度不低于目標(biāo)溫度?？疹A(yù)器出口綜合冷端溫度低于目標(biāo)值時(shí)，優(yōu)先采用降低磨煤機(jī)出口溫度，適當(dāng)增加一次風(fēng)比例（注意鍋爐燃燒和飛灰含碳量的變化情況），以提高空預(yù)器出口排煙溫度。空預(yù)器蒸汽吹灰疏水溫度控制在比吹灰母管壓力對應(yīng)的飽和溫度高5-20℃范圍內(nèi)，空預(yù)器實(shí)際排煙溫度高于目標(biāo)綜合冷端溫度時(shí)，取下限，否則取上限。安裝并運(yùn)行脫硝裝置的鍋爐，要防止局部或部分時(shí)段噴氨過量引起的氨逃逸量超標(biāo)(≯3ppm)。優(yōu)化鍋爐配風(fēng)，利用煙氣再循環(huán)，防止過氧（必要時(shí)根據(jù)CO生成量適度控制低氧）燃燒和爐膛局部溫度過高，減少爐內(nèi)SO3的生成?？疹A(yù)器煙氣側(cè)差壓超過設(shè)計(jì)值或空預(yù)器冷端溫度低于目標(biāo)溫度時(shí)，應(yīng)增加吹灰頻次，煙氣側(cè)差壓超過，提高空預(yù)器冷端吹灰器彈簧閥后壓力（比較高至）加強(qiáng)吹灰，當(dāng)差壓恢復(fù)正常值范圍內(nèi)，逐漸恢復(fù)正常吹灰壓力，防止吹損蓄熱元件。加強(qiáng)鍋爐暖風(fēng)器、熱風(fēng)再循環(huán)、空預(yù)器扇形板自動(dòng)調(diào)整裝置設(shè)備的運(yùn)行維護(hù)，保證設(shè)備運(yùn)行良好。暖風(fēng)器、鍋爐受熱面（特別是省煤器）泄漏后要及時(shí)隔離或停爐處理?？疹A(yù)器停爐進(jìn)行水沖洗后，啟動(dòng)點(diǎn)火前要充分烘干。要加強(qiáng)空預(yù)器進(jìn)出口差壓、溫度。板式空氣預(yù)熱器詢價(jià)。新疆采暖空氣預(yù)熱器</p><p style="text-indent:25px">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。江蘇空氣預(yù)熱器制造公司</p><p> 轉(zhuǎn)子隔倉由中心筒和外部分倉組成。轉(zhuǎn)子中心筒包括中心筒輪轂和內(nèi)部分倉，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，這些分倉又被二次徑向隔板分隔呈48倉。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)向軸承則用來承受徑向水平載荷。三分倉設(shè)計(jì)的空預(yù)器通過有三種不同的氣流，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。江蘇空氣預(yù)熱器制造公司</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2781192.html</p></div></div></div></div></div><div id="dhjgn8t" class="page-right twoColRt"><div id="dikh79j" class="box01 margin10 clearfix"><h3><a 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