風道式電加熱器主(zhu)要用途(tu)是用于工業風道、房間采(cai)暖(nuan)(nuan)、大型廠區車間取暖(nuan)(nuan)、烘房以及對通道空氣進(jin)行循環加熱，提供空氣溫(wen)度達到采(cai)暖(nuan)(nuan)效果。

風(feng)道式(shi)(shi)電(dian)加(jia)(jia)(jia)熱(re)(re)器(qi)(qi)主(zhu)要(yao)結構(gou)為框(kuang)架(jia)式(shi)(shi)壁板(ban)結構(gou)，內設超(chao)溫保護裝置，如(ru)加(jia)(jia)(jia)熱(re)(re)溫度高于且(qie)>120℃，接線(xian)盒與加(jia)(jia)(jia)熱(re)(re)器(qi)(qi)之間(jian)(jian)須(xu)設置隔熱(re)(re)區或(huo)散(san)熱(re)(re)區，且(qie)電(dian)加(jia)(jia)(jia)熱(re)(re)器(qi)(qi)元件表(biao)(biao)面(mian)應設翅片散(san)熱(re)(re)結構(gou)，長春工(gong)業電(dian)熱(re)(re)管(guan)，低(di)、中溫風(feng)道電(dian)加(jia)(jia)(jia)熱(re)(re)器(qi)(qi)無須(xu)設置隔熱(re)(re)區或(huo)散(san)熱(re)(re)器(qi)(qi)區且(qie)電(dian)加(jia)(jia)(jia)熱(re)(re)器(qi)(qi)元件表(biao)(biao)面(mian)自(zi)然散(san)熱(re)(re)，電(dian)氣控(kong)制與風(feng)機(ji)須(xu)聯動，工(gong)業電(dian)熱(re)(re)管(guan)報價，先(xian)啟動風(feng)機(ji)再啟動電(dian)加(jia)(jia)(jia)熱(re)(re)器(qi)(qi)，先(xian)斷電(dian)加(jia)(jia)(jia)熱(re)(re)器(qi)(qi)后斷風(feng)機(ji)，時間(jian)(jian)差須(xu)大于2分鐘(zhong)。

空(kong)氣(qi)(qi)電加(jia)熱(re)(re)(re)(re)(re)器(qi)用于(yu)對(dui)流動的(de)(de)(de)液態、氣(qi)(qi)態介質(zhi)的(de)(de)(de)升溫(wen)(wen)、保溫(wen)(wen)、加(jia)熱(re)(re)(re)(re)(re)。當空(kong)氣(qi)(qi)電加(jia)熱(re)(re)(re)(re)(re)器(qi)中的(de)(de)(de)加(jia)熱(re)(re)(re)(re)(re)介質(zhi)在壓力作用下(xia)通過電加(jia)熱(re)(re)(re)(re)(re)器(qi)加(jia)熱(re)(re)(re)(re)(re)腔，采(cai)用流體熱(re)(re)(re)(re)(re)力學(xue)原(yuan)理均勻(yun)地帶走空(kong)氣(qi)(qi)電加(jia)熱(re)(re)(re)(re)(re)器(qi)中的(de)(de)(de)電熱(re)(re)(re)(re)(re)元件工作中所產生的(de)(de)(de)巨大熱(re)(re)(re)(re)(re)量，工業電熱(re)(re)(re)(re)(re)管采(cai)購，使空(kong)氣(qi)(qi)電加(jia)熱(re)(re)(re)(re)(re)器(qi)被加(jia)熱(re)(re)(re)(re)(re)介質(zhi)溫(wen)(wen)度達到用戶工藝要求(qiu)。就其應用范圍來(lai)說(shuo)，電加(jia)熱(re)(re)(re)(re)(re)器(qi)典(dian)型(xing)應用場合：化工行業的(de)(de)(de)化工物(wu)料(liao)升溫(wen)(wen)加(jia)熱(re)(re)(re)(re)(re)、一定壓力下(xia)一些粉(fen)末干燥、化工過程(cheng)及噴燥。

利用(yong)導體處(chu)于交(jiao)變(bian)電(dian)(dian)(dian)(dian)磁場中產生感應(ying)電(dian)(dian)(dian)(dian)流(liu)（渦流(liu)）所形成的(de)(de)熱效應(ying)使(shi)導體本身發熱。根據不同的(de)(de)加(jia)(jia)熱工(gong)藝要求，感應(ying)加(jia)(jia)熱采用(yong)的(de)(de)交(jiao)流(liu)電(dian)(dian)(dian)(dian)源(yuan)的(de)(de)頻(pin)率有工(gong)頻(pin)（50～60赫(he)(he)）、中頻(pin)（60～10000赫(he)(he)）和(he)高(gao)頻(pin)（高(gao)于10000赫(he)(he)）。工(gong)頻(pin)電(dian)(dian)(dian)(dian)源(yuan)就(jiu)是通常工(gong)業(ye)上用(yong)的(de)(de)交(jiao)流(liu)電(dian)(dian)(dian)(dian)源(yuan)，世界上絕(jue)大(da)多數國家的(de)(de)工(gong)頻(pin)為50赫(he)(he)。感應(ying)加(jia)(jia)熱用(yong)的(de)(de)工(gong)頻(pin)電(dian)(dian)(dian)(dian)源(yuan)加(jia)(jia)到感應(ying)裝置上的(de)(de)電(dian)(dian)(dian)(dian)壓(ya)必(bi)須是可(ke)調的(de)(de)。根據加(jia)(jia)熱設備功(gong)率大(da)小和(he)供(gong)電(dian)(dian)(dian)(dian)網容(rong)量大(da)小，可(ke)以用(yong)高(gao)壓(ya)電(dian)(dian)(dian)(dian)源(yuan)（6～10千伏）通過(guo)變(bian)壓(ya)器供(gong)電(dian)(dian)(dian)(dian)；也可(ke)直接(jie)(jie)將加(jia)(jia)熱設備接(jie)(jie)在(zai)380伏的(de)(de)低壓(ya)電(dian)(dian)(dian)(dian)網上。