[{"ID":"1397","ParentID":"1390","MainID":"1390","CompanyID":"199327","Title":"板式換熱器","HitNumber":"267","CreateTime":"2020/1/14 9:17:45","UpdateTime":"2020/1/14 9:17:45","RecommendNum":"0","Picture":"2/20200114/637145900310747504943.jpg","PictureDomain":"img69","MainTitle":"板式換熱器","Detail":"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高效換熱器。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)用廣泛、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。1特點(diǎn)（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，","Author":"劉爽"}]