風(feng)道加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)是適(shi)用(yong)(yong)于風(feng)道中(zhong)(zhong)的(de)(de)空氣(qi)(qi)(qi)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re),規格分低溫(wen)(wen)(wen)(wen)、中(zhong)(zhong)溫(wen)(wen)(wen)(wen)、高(gao)(gao)溫(wen)(wen)(wen)(wen)三種形式,在(zai)(zai)(zai)結構上(shang)的(de)(de)共同之處是采用(yong)(yong)了用(yong)(yong)鋼板支(zhi)撐電(dian)熱(re)(re)(re)(re)(re)管以減(jian)少風(feng)機停(ting)止(zhi)時電(dian)熱(re)(re)(re)(re)(re)管的(de)(de)振動,在(zai)(zai)(zai)接(jie)線盒中(zhong)(zhong)都裝有超(chao)溫(wen)(wen)(wen)(wen)控制裝置(zhi)。 另在(zai)(zai)(zai)控制方面除裝有超(chao)溫(wen)(wen)(wen)(wen)保護(hu)外,還在(zai)(zai)(zai)風(feng)機與加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)之間加(jia)(jia)(jia)裝聯運(yun)裝置(zhi),以確保電(dian)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)起動必須在(zai)(zai)(zai)風(feng)機起動之后,在(zai)(zai)(zai)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)前后加(jia)(jia)(jia)一差(cha)壓(ya)裝置(zhi),以防風(feng)機故障(zhang);低溫(wen)(wen)(wen)(wen)型可直接(jie)安裝在(zai)(zai)(zai)風(feng)道上(shang),而中(zhong)(zhong)溫(wen)(wen)(wen)(wen)型、高(gao)(gao)溫(wen)(wen)(wen)(wen)型由于結構上(shang)的(de)(de)不同,在(zai)(zai)(zai)通(tong)道外壁至加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)接(jie)線盒夾有100mm 厚的(de)(de)保溫(wen)(wen)(wen)(wen)材(cai)料,這主要是減(jian)少整個通(tong)道的(de)(de)對外散熱(re)(re)(re)(re)(re)和接(jie)線腔內(nei)的(de)(de)溫(wen)(wen)(wen)(wen)度,通(tong)道加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)的(de)(de)氣(qi)(qi)(qi)體壓(ya)力一般不應超(chao)過(guo)0.3Kg/cm2,如需超(chao)過(guo)以上(shang)壓(ya)力,請選(xuan)用(yong)(yong)循(xun)環式電(dian)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi);低溫(wen)(wen)(wen)(wen)型加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)氣(qi)(qi)(qi)體加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)更高(gao)(gao)溫(wen)(wen)(wen)(wen)度不超(chao)過(guo)160℃;中(zhong)(zhong)溫(wen)(wen)(wen)(wen)型不超(chao)過(guo)260℃;高(gao)(gao)溫(wen)(wen)(wen)(wen)型不超(chao)過(guo)500℃。
風(feng)道(dao)(dao)式(shi)電加熱器(qi)用于工業(ye)風(feng)道(dao)(dao)、空調(diao)風(feng)道(dao)(dao)與各行業(ye)空氣(qi)通過對空氣(qi)的加熱,提高(gao)(gao)輸出空氣(qi)的溫(wen)度(du),一般在風(feng)道(dao)(dao)橫向開口(kou)插入。根(gen)據風(feng)道(dao)(dao)工作溫(wen)度(du)分(fen)低溫(wen)、中溫(wen)和(he)高(gao)(gao)溫(wen);根(gen)據風(feng)道(dao)(dao)內風(feng)速分(fen)低風(feng)速、中風(feng)速和(he)高(gao)(gao)風(feng)速。