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</div>   <div class="ny_right"> <div class="ny_right_tit"><a href="/">首頁</a> > <a href="/xinwenzixun/">新聞資訊</a> > <a href="/gongsidongtai/">公司動態</a> </div> <div class="ny_right_content"> <div class="article_title"><h1>翅片管換熱器的逆流傳熱優勢及材料選擇</h1></div> <div class="artdet">發布時間：2021-07-18</div> <div id="news_con"> 翅片管換熱器的高低溫流體逆流傳熱的優點如下：<br /><br />(1)對數評價溫差大：計算同一進出口溫度逆流時的對數平均溫差總是大于2流體下游時的溫差。T越大，傳熱面積越節省，因此在換熱器設計中，設計師總是想逆流冷卻流體。<br /><br />(2)冷熱流體逆流時，無論導熱面的哪個位置，兩邊的局部熱傳導溫差都比較均勻，熱傳導溫差過大，不會發生一端太小的情況。傳熱溫差比較均勻，意味著單位面積傳導熱量也比較均勻，在某些地方傳熱過多，甚至超過傳熱極限，另一端由于兩個國家較小，不會出現傳熱面積未充分利用的情況。<br /><br />(3)冷熱流體逆流傳熱的另一個好處是，冷流體的出口溫度甚至可以超過熱流體的出口溫度。<br /><br /><img alt="激光焊翅片管" src="/d/file/p/2021/07-30/6ee597fc5812799d9fe08769e1fba96a.jpg" /><br /><br />如上例所示，冷流體出口溫度為40，必須大于熱流體熱電，才能進一步提高冷流體的溫度。在下游的情況下絕對不能。<br /><br />翅片管散熱器材料的選擇決定了換熱器的壽命和設備成本，根據使用條件選擇材料時可以選擇經濟高效的散熱器，從而降低企業的生產成本。<br /><br />翅片管散熱器外部的引腳部分通常是流動的空氣或煙霧。當時空氣沒有太多水分，我腐蝕介質的時候，別針材料選擇了導熱性好的鋁。如果流動介質是煙，有腐蝕成分，則通常選擇不銹鋼或ND鋼作為開的材料。<br /><br />翅片管散熱器管內流動的介質一般是蒸汽、水、導熱油、乙二醇等。一般工作條件下，介質不腐蝕，工作條件好的情況下，選擇碳鋼作為基礎管。 </div> <div class="clear"></div> </div> <ul class="newsnext"> <li>上一篇：<a href='/gongsidongtai/132.html'>使用激光焊接翅片管的好處</a> </li><li>下一篇：<a href='/gongsidongtai/134.html'>高頻焊接翅片管散熱器傳熱面積的計算</a> </li> <div class="clearfix"></div> </ul> <div class="clear"></div> </div> <div class="clear"></div>  </div> </div>   <div class="footnav"> <div class="footguide"> <div class="logo_m"> <img src="/skin/default/images/flogo.jpg" alt="翅片管" title="激光焊翅片管"/> <div class="cl"></div>  <div class="search_foot"> </div>  </div> <div class="tit"> <p>關于華潔</p> <a href="/gongsijianjie/" title="" rel="nofollow">公司簡介</a><a href="/about/qiyewenhua/" title="" rel="nofollow">企業文化</a><a href="/sccj/" title="" rel="nofollow">生產車間</a><a href="/zizhirongyu/" title="" rel="nofollow">資質榮譽</a><a href="/kehuanli/" title="" rel="nofollow">客戶案例</a><a href="/contact/" title="" rel="nofollow">聯系我們</a> </div> <div class="tit"> <p>產品中心</p> <a href="/chipianguan/" 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