攪拌站水加熱器將電能有效轉化為管道加熱器的遠紅外輻射能,管道加熱器直接傳遞給被烘干物,管道加熱器迅速轉化為分子熱運動,管道加熱器由內向外干燥,管道加熱器達到快速烘干定型的目的,并取得管道加熱器的顯著節能效果。
管(guan)(guan)道(dao)加(jia)熱(re)(re)(re)器(qi)的碳(tan)化硅遠(yuan)紅(hong)外電(dian)熱(re)(re)(re)板(ban)是(shi)用管(guan)(guan)道(dao)加(jia)熱(re)(re)(re)器(qi)的涂(tu)有(you)(you)金(jin)屬氧(yang)化物即遠(yuan)紅(hong)外線涂(tu)料的碳(tan)化硅板(ban)做輻射元件(jian),管(guan)(guan)道(dao)加(jia)熱(re)(re)(re)器(qi)的在(zai)元件(jian)孔內(或槽內)裝進電(dian)熱(re)(re)(re)絲(si),在(zai)管(guan)(guan)道(dao)加(jia)熱(re)(re)(re)器(qi)的元件(jian)的底部(bu)放有(you)(you)較厚的絕緣、耐火、隔(ge)熱(re)(re)(re)材料,然后(hou)裝上(shang)管(guan)(guan)道(dao)加(jia)熱(re)(re)(re)器(qi)的金(jin)屬外殼,安(an)裝好管(guan)(guan)道(dao)加(jia)熱(re)(re)(re)器(qi)的接線柱(zhu)便可通電(dian)使(shi)用。管(guan)(guan)道(dao)加(jia)熱(re)(re)(re)器(qi)中(zhong)的碳(tan)化硅常溫抗(kang)折強度(du) 45Mpa,1000 ℃高溫抗(kang)折強度(du) 50Mpa 管(guan)(guan)道(dao)加(jia)熱(re)(re)(re)器(qi)的體積密度(du)2.7-2.75g/cm3,900℃熱(re)(re)(re)膨脹率0.42-0.48% 導熱(re)(re)(re)系數(shu)(350℃)10.3-16.7w/m.k 。