按照板式換熱器機組的(de)工藝用(yong)途來(lai)分的(de)話(hua)主(zhu)要(yao)就是(shi)分為:板(ban)(ban)(ban)(ban)式(shi)(shi)加熱(re)(re)(re)(re)器(qi)、板(ban)(ban)(ban)(ban)式(shi)(shi)冷卻器(qi)、板(ban)(ban)(ban)(ban)式(shi)(shi)冷凝(ning)器(qi)、板(ban)(ban)(ban)(ban)式(shi)(shi)預熱(re)(re)(re)(re)器(qi)。根據組合流(liu)(liu)程來(lai)看是(shi)分為:單程板(ban)(ban)(ban)(ban)式(shi)(shi)換(huan)熱(re)(re)(re)(re)器(qi)和多程板(ban)(ban)(ban)(ban)式(shi)(shi)換(huan)熱(re)(re)(re)(re)器(qi)。當(dang)然了我們還可(ke)以根據兩種介質(zhi)的(de)流(liu)(liu)動方向(xiang)可(ke)以分為:順流(liu)(liu)板(ban)(ban)(ban)(ban)式(shi)(shi)換(huan)熱(re)(re)(re)(re)器(qi)、逆流(liu)(liu)板(ban)(ban)(ban)(ban)式(shi)(shi)換(huan)熱(re)(re)(re)(re)器(qi)、交叉流(liu)(liu)板(ban)(ban)(ban)(ban)式(shi)(shi)換(huan)熱(re)(re)(re)(re)器(qi)。如果按照流(liu)(liu)道(dao)的(de)堿(jian)洗的(de)大(da)小來(lai)分的(de)話(hua)就可(ke)以分為常規間隙(xi)板(ban)(ban)(ban)(ban)式(shi)(shi)換(huan)熱(re)(re)(re)(re)器(qi)和寬間隙(xi)板(ban)(ban)(ban)(ban)式(shi)(shi)換(huan)熱(re)(re)(re)(re)器(qi)了。
(1)間壁式換熱器。把溫度不同的兩種流體在被壁面分開的空間里流動,通過壁面的導熱和流體在壁表面對流,使兩種流體之間進行換熱。(2)蓄熱式換熱器。借助于由板式換熱器機組廠家固體構成的蓄熱體,把熱量從高溫流體傳遞給低溫流體,蓄熱體與高溫流體接觸一定時間,接受和儲蓄了一定熱量,然后與低溫流體接觸一定時間,把熱量釋放給低溫流體。(3)流體連接間接式換熱器。把兩個表面式板式換熱器機組廠家由在其中循(xun)環(huan)的熱載體連(lian)接(jie)起來的換熱器。
板式換熱器是一種十分高能的智能板式換熱器機組裝置,其應用范圍十分廣泛,那么板式換熱裝置啟動需要符合什么條件呢?下面維克換熱來給大家介紹一下。1、生活水系統:先啟動生活用水循環泵,并且將級管網投入到板式換熱器機組廠家內,從(cong)而(er)控制(zhi)(zhi)級管(guan)(guan)網(wang)供水(shui)閥門,調整生活用(yong)水(shui)的(de)水(shui)溫。2、軟化水(shui)系統(tong): 先啟動間接(jie)取水(shui)水(shui)箱出口(kou)閥門,待到軟化水(shui)系統(tong)充(chong)滿水(shui)后(hou),再進(jin)行軟水(shui)制(zhi)(zhi)備,啟動補水(shui)泵對二級管(guan)(guan)網(wang)進(jin)行補水(shui)。
二、減小污垢層熱阻減智能板式換熱器機組的污垢層熱阻的關鍵是以免板片結垢。板片結垢厚度為 1 mm時,傳熱系數減低約 10%.因此,定要注意冷熱兩側的水質,以免板片結垢,并以免水中雜物附著在板片上。有些板式換熱器機組供熱(re)單位為以免盜水及鋼件腐蝕,在供熱(re)介質(zhi)中添加藥劑(ji),因(yin)此定要注意水質(zhi)和黏(nian)劑(ji)引起(qi)雜物沾板片。如果水中有(you)黏(nian)性(xing)(xing)雜物,應采用(yong)過濾器進行處理。選(xuan)(xuan)用(yong)時(shi),宜選(xuan)(xuan)擇無黏(nian)性(xing)(xing)的(de)藥劑(ji)。三、選(xuan)(xuan)用(yong)熱(re)導率高的(de)板片板片材質(zhi)可(ke)選(xuan)(xuan)擇奧氏體不(bu)(bu)銹(xiu)鋼、鈦合金、銅(tong)合金等(deng)。不(bu)(bu)銹(xiu)鋼的(de)導熱(re)性(xing)(xing)能好(hao),熱(re)導率約 14. 4 W/(m.K) ,強度高,沖壓性(xing)(xing)能好(hao),。