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換熱類

板式換熱器

 時間:2019-9-25 10:23:53

 

板式(shi)換熱器(qi)是(shi)由一(yi)系列具有(you)一(yi)定波(bo)紋形(xing)狀的金屬片疊(die)裝而成的一(yi)種新(xin)型高效換熱器(qi)。各種板片之間形(xing)成薄矩形(xing)通道(dao),通過板片進行交換。板式換熱器是液—液、液—汽進行熱交換的理想設備。它具有換熱效率高、熱損失小、結構緊湊輕巧、占地面積小、安裝清洗方便、應用廣泛、使用壽命長等特點。在壓力損失情況下,其傳熱系數比列管式換熱器高3-5倍,占地面積為的三分之一,熱回收率可高達90%以上。

板式(shi)換熱器的(de)型式(shi)主要有框(kuang)架式(shi)(可拆卸式(shi))和式(shi)兩大類,板片形式(shi)主(zhu)要有人(ren)字形波(bo)紋板、水平(ping)平(ping)直波(bo)紋板和瘤形板片三種。

可拆卸(xie)式板(ban)(ban)(ban)(ban)(ban)式換(huan)熱(re)(re)(re)(re)(re)器是由許多(duo)換(huan)熱(re)(re)(re)(re)(re)板(ban)(ban)(ban)(ban)(ban)片(pian),按(an)一(yi)(yi)定(ding)間隔(ge)(ge)四(si)周通(tong)過密封(feng)(feng)墊片(pian)密封(feng)(feng),并(bing)用夾緊螺柱壓緊而(er)成,其角上(shang)的(de)(de)孔構成了連續的(de)(de)通(tong)道,介(jie)(jie)質(zhi)(zhi)從入口(kou)進入通(tong)道,并(bing)被分配到(dao)(dao)換(huan)熱(re)(re)(re)(re)(re)板(ban)(ban)(ban)(ban)(ban)片(pian)之間的(de)(de)流道內,每張板(ban)(ban)(ban)(ban)(ban)片(pian)都(dou)有密封(feng)(feng)墊片(pian),板(ban)(ban)(ban)(ban)(ban)與板(ban)(ban)(ban)(ban)(ban)之間的(de)(de)位置是交替放置,兩種(zhong)流體,分別進入各(ge)自(zi)通(tong)道,由板(ban)(ban)(ban)(ban)(ban)片(pian)隔(ge)(ge)開(kai),一(yi)(yi)般情況下,兩種(zhong)介(jie)(jie)質(zhi)(zhi)在(zai)通(tong)道內逆(ni)流流動,熱(re)(re)(re)(re)(re)介(jie)(jie)質(zhi)(zhi)將熱(re)(re)(re)(re)(re)能傳遞給(gei)板(ban)(ban)(ban)(ban)(ban)片(pian),板(ban)(ban)(ban)(ban)(ban)片(pian)又將熱(re)(re)(re)(re)(re)能傳遞給(gei)另一(yi)(yi)側(ce)的(de)(de)冷介(jie)(jie)質(zhi)(zhi),從而(er)達到(dao)(dao)熱(re)(re)(re)(re)(re)介(jie)(jie)質(zhi)(zhi)溫度降低被冷卻,冷介(jie)(jie)質(zhi)(zhi)溫度升高得到(dao)(dao)加熱(re)(re)(re)(re)(re)的(de)(de)目的(de)(de)。

二(er)、產品(pin)特點:

1、傳熱效率高(gao),是(shi)管(guan)殼式的(de)3-5倍;

2、結構緊(jin)湊,占地面積小,節省投(tou)資,重量輕(qing),易維護;

3、拆洗(xi)方(fang)便,容易(yi)清洗(xi);

4、熱(re)量損失(shi)小,阻力損失(shi)少(shao);

5、使用壽(shou)命長,可耐各種(zhong)腐蝕介質,膠(jiao)墊(dian)可隨意更換。