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板(ban)(ban)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)機(ji)組(zu)是(shi)(shi)(shi)常見(jian)的(de)(de)板(ban)(ban)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)機(ji)組(zu)型號之一,主要由(you)不銹鋼壓制的(de)(de)傳熱(re)(re)(re)(re)片(pian)、密(mi)封膠墊、夾緊(jin)螺(luo)栓和(he)壓緊(jin)板(ban)(ban)整機(ji)框架等零部件組(zu)成。可耐各種(zhong)腐(fu)蝕介質。傳熱(re)(re)(re)(re)效率高(gao)(gao),冷熱(re)(re)(re)(re)介質通(tong)(tong)過相鄰板(ban)(ban)片(pian)流經各自通(tong)(tong)道進(jin)行(xing)換(huan)(huan)(huan)熱(re)(re)(re)(re)。由(you)于板(ban)(ban)片(pian)上有(you)人(ren)字形(xing)波紋,介質流動形(xing)成湍流, 因此獲得較高(gao)(gao)的(de)(de)換(huan)(huan)(huan)熱(re)(re)(re)(re)效率。高(gao)(gao)效節能(neng),傳熱(re)(re)(re)(re)系(xi)數高(gao)(gao)。其換(huan)(huan)(huan)熱(re)(re)(re)(re)系(xi)數可達3000-4500kcal/m2.゜C.h。是(shi)(shi)(shi)相同流速下管(guan)殼式(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)的(de)(de)3倍以上。使用安全可靠(kao),結構緊(jin)湊,體積(ji)小,占地少,是(shi)(shi)(shi)同等換(huan)(huan)(huan)熱(re)(re)(re)(re)面積(ji)管(guan)殼式(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)的(de)(de)五(wu)分之一左(zuo)右。組(zu)合靈活,調整維修方(fang)便。松開壓緊(jin)螺(luo)母(mu)即(ji)可進(jin)行(xing)清(qing)洗維護,更換(huan)(huan)(huan)膠墊或板(ban)(ban)片(pian)。板(ban)(ban)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)板(ban)(ban)片(pian)均為獨(du)立元件,可按用戶要求隨意增減換(huan)(huan)(huan)熱(re)(re)(re)(re)面積(ji)和(he)流程(cheng)。密(mi)封槽設置泄(xie)液液道,各種(zhong)介質不會串通(tong)(tong),即(ji)使出現泄(xie)漏,也是(shi)(shi)(shi)向外(wai)排出。
板片的定位是以五點金屬與金屬接觸而確定,上承桿的三點,可以防止板片上下移動,加上下承桿的兩點板片就不會左右移動。
板式換熱機組是由一組波紋金屬板組成,板上有四個角孔,供傳熱的兩種液體通過。金屬板片安裝在一個側面有固定板和活動壓緊板的框架內,并用夾緊螺栓夾緊。
機組板(ban)片(pian)上裝有密(mi)封(feng)墊(dian)片(pian),將流(liu)(liu)(liu)體通道密(mi)封(feng),并且(qie)引導(dao)流(liu)(liu)(liu)體交替(ti)地流(liu)(liu)(liu)至各自的流(liu)(liu)(liu)道內,形成熱(re)交換。流(liu)(liu)(liu)體的流(liu)(liu)(liu)量(liang),物理性質(zhi),壓力降和(he)(he)溫(wen)度(du)(du)差(cha)決定(ding)(ding)了(le)板(ban)片(pian)的數量(liang)和(he)(he)尺寸(cun)。波紋(wen)板(ban)不僅提(ti)高了(le)湍(tuan)流(liu)(liu)(liu)程度(du)(du),并且(qie)形成許多支承點(dian),足以(yi)承受介質(zhi)間的壓力差(cha)。金屬板(ban)和(he)(he)活動板(ban)壓緊板(ban)懸(xuan)掛在上導(dao)桿,并由下導(dao)桿定(ding)(ding)位,而(er)桿端(duan)則固定(ding)(ding)在支撐柱(zhu)上。


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