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style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南昌氣化器,換熱器</p><p><span>***更新：</span>2021-01-16 09:16:31</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="qq2yes4" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫明燕裝備有限公司</a></p><p><span>聯(lián)系人：</span>王晶</p><p><span>郵箱: </span>1445901823@qq.com</p><p><span>電話: </span>13801517856</p><p><span>傳真: </span>0510_85952851</p><p><span>網(wǎng)址: </span>http://www.etaihu.com</p><p><span>手機(jī): </span>0510-85952851</p><p><span>地址: </span>雪浪街道南湖中路</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="4qwm4u4" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2wm4ag0" class="box"><p><p style="text-indent:25px">螺旋折流在管殼式換熱器中，殼程通常是一個薄弱環(huán)節(jié)。通常普通的弓形折流板能造成曲折的流道系統(tǒng)(z字形流道)，這樣會導(dǎo)致較大的死角和相對高的返混。而這些死角又能造成殼程結(jié)垢加劇，對傳熱效率不利。返混也能使平均溫差失真和縮小。其后果是，與活塞流相比，弓形折流板會降低凈傳熱。優(yōu)越弓形折流板管殼式換熱器很難滿足高熱效率的要求，南昌氣化器，故常為其他型式的換熱器所取代(如緊湊型板式換熱器)，南昌氣化器，南昌氣化器。對普通折流板幾何形狀的改進(jìn)，是發(fā)展殼程的第1步。雖然引進(jìn)了密封條和附加諸如偏轉(zhuǎn)折流板及采取其他措施來改進(jìn)換熱器的性能，但普通折流板設(shè)計的主要缺點依然存在。換熱器的折流檔板使湍動程度大為增加。南昌氣化器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南昌氣化器,換熱器" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395774068061158/7660274.png"></div><p style="text-indent:25px">流體連接間接式換熱器流體連接間接式換熱器，是把兩個表面式換熱器由在其中循環(huán)的熱載體連接起來的換熱器，熱載體在高溫流體換熱器和低溫流體之間循環(huán)，在高溫流體接受熱量，在低溫流體換熱器把熱量釋放給低溫流體。直接接觸式換熱器又被稱為混合式換熱器，這種換熱器是兩種流體直接接觸，彼此混合進(jìn)行換熱的設(shè)備例如，冷水塔、氣體冷凝器等。復(fù)式換熱器兼有汽水面式間接換熱及水水直接混流換熱兩種換熱方式的設(shè)備。同汽水面式間接換熱相比，具有更高的換熱效率；同汽水直接混合換熱相比具有較高的穩(wěn)定性及較低的機(jī)組噪音。南昌氣化器直接接觸式換熱器同汽水面式間接換熱相比，具有更高的換熱效率。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南昌氣化器,換熱器" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395774079555243/7205439.png"></div><p style="text-indent:25px">管殼式換熱器是一個量大而品種繁多的產(chǎn)品，迫切需要新的耐磨損、耐腐蝕、**度材料。我國在發(fā)展不銹鋼銅合金復(fù)合材料、鋁鎂合金及碳化硅等非金屬材料等方面都有不同程度的進(jìn)展，其中尤以鈦材發(fā)展較快。鈦對海水、氯堿、醋酸等有較好的抗腐蝕能力，如再強(qiáng)化傳熱，效果將更好，一些制造單位已較好的掌握了鈦材的加工制造技術(shù)。對材料的噴涂，我國已從國外引進(jìn)生產(chǎn)線。鋁鎂合金具有較高的抗腐蝕性和導(dǎo)熱性，價格比鈦材便宜，應(yīng)予注意。國內(nèi)在節(jié)能增效等方面改進(jìn)換熱器性能，提高傳熱效率，減少傳熱面積降低壓降，提高裝置熱強(qiáng)度等方面的研究取得了明顯成績。</p><p style="text-indent:25px">換熱器工作壓力不宜過大，介質(zhì)溫度不宜過高，有可能泄露板式換熱器采用密封墊密封，工作壓力一般不宜超過2.5MPa，介質(zhì)溫度應(yīng)在低于250℃以下，否則有可能泄露。易堵塞由于板片間通道很窄，一般只有2~5mm，當(dāng)換熱介質(zhì)含有較大顆?；蚶w維物質(zhì)時，容易堵塞板間通道。板式換熱器的應(yīng)用場合：制冷：用作冷凝器和蒸發(fā)器。暖通空調(diào)：配合鍋爐使用的中間換熱器、高層建筑中間換熱器等?；瘜W(xué)工業(yè)：純堿工業(yè)，合成氨，酒精發(fā)酵，樹脂合成冷卻等。冶金工業(yè)：鋁酸鹽母液加熱或冷卻，煉鋼工藝?yán)鋮s等。機(jī)械工業(yè)：各種淬火液冷卻，減速器潤滑油冷卻等。電力工業(yè)：高壓變壓器油冷卻，發(fā)電機(jī)軸承油冷卻等。換熱器浮頭蓋在管束裝入后才能進(jìn)行裝配，所以在設(shè)計中應(yīng)考慮保證浮頭蓋在裝配時的必要空間。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南昌氣化器,換熱器" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395774243784771/5361514.png"></div><p style="text-indent:25px">直接傳熱式換熱器：一種不需傳熱壁面，由冷流體與熱流體直接接觸進(jìn)行換熱的操作過程的換熱器，此類換熱器常用于工業(yè)生產(chǎn)中。間壁傳熱式換熱器：冷、熱流體通過管子、板等壁面進(jìn)行熱量交換的傳熱操作過程的換熱器，是比較普通的也比較常用的換熱器，冷、熱流體都是流體，可以是空氣、煙氣、蒸汽、水。這是本文重點進(jìn)行討論的換熱器類型。蓄熱式換熱器：系間歇傳熱，在廢熱再生器中是切實可行有效的回收廢熱的方式，常被用于回收燃燒氣體的廢熱以及蒸汽等用量不均時作為調(diào)節(jié)手段。特別是由于套管換熱器同時具備傳熱系數(shù)大，傳熱推動力大及能夠承受高壓強(qiáng)的優(yōu)點。南昌氣化器</p><p style="text-indent:25px">換熱器可在高溫、高壓下工作，一般溫度小于等于450度。南昌氣化器</p><p style="text-indent:25px">影響換熱器金屬腐蝕的因素很多，主要的幾個因素及其對幾種常用金屬的影響：溶解氧水中的溶解氧是參加陰極過程的氧化劑，因此它一般促進(jìn)腐蝕。當(dāng)水中氧的濃度不均勻時，將形成氧的濃差電池，造成局部腐蝕。對碳鋼、低合金鋼、銅合金和某些牌號的不銹鋼而言，熔解氧是影響它們在水中腐蝕行為的重要因素。其他溶解氣體在水中無氧時CO2將導(dǎo)致銅和鋼的腐蝕，但不促進(jìn)鋁的腐蝕。微量的氨腐蝕銅合金，但對鋁和鋼沒有影響。H2S促進(jìn)銅和鋼的腐蝕，但對鋁無影響。SO2降低了水的pH值，增加了水對金屬的腐蝕性。南昌氣化器</p><p style="text-indent:25px">無錫明燕裝備有限公司總部位于雪浪街道南湖中路，是一家生產(chǎn)產(chǎn)品：設(shè)計、制造一、二、三類高壓容器和有機(jī)熱載體爐、B級鍋爐、ASME頒發(fā)的壓力容器制造“U”鋼印，鍋爐制造“S”鋼印資格證書。涉及行業(yè)主要有石油、化工、醫(yī)藥、環(huán)保、生化、有色金屬、冶金等相關(guān)行業(yè)、的公司。公司自創(chuàng)立以來，投身于反應(yīng)釜，儲罐，塔器，換熱器，是機(jī)械及行業(yè)設(shè)備的主力軍。無錫明燕裝備始終以本分踏實的精神和必勝的信念，影響并帶動團(tuán)隊取得成功。無錫明燕裝備始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2873053.html</p></div></div></div></div></div><div id="iy2cagw" class="page-right twoColRt"><div id="ousg0cs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="saqg0we" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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