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管道電加熱(re)(re)器是一種對物質(zhi)預先(xian)加熱(re)(re)的(de)節能設備，它(ta)(ta)安裝在(zai)(zai)物質(zhi)設備之(zhi)前，實現對物質(zhi)直接加溫，使(shi)其(qi)在(zai)(zai)高溫中循(xun)環加熱(re)(re)作用(yong)，達(da)到節約能源的(de)目的(de)。它(ta)(ta)廣泛(fan)應用(yong)于重(zhong)油，瀝青，清油等燃料油的(de)預先(xian)加熱(re)(re)的(de)場合。 ;
    管(guan)(guan)道(dao)加(jia)(jia)熱(re)(re)器(qi)(qi)的組成(cheng)(cheng)(cheng)結(jie)構：管(guan)(guan)道(dao)加(jia)(jia)熱(re)(re)器(qi)(qi)有本體和(he)(he)控制系統兩部(bu)分(fen)組成(cheng)(cheng)(cheng)。發(fa)熱(re)(re)元件采用不(bu)銹鋼(gang)鋼(gang)管(guan)(guan)做保護套管(guan)(guan),高(gao)(gao)溫(wen)(wen)電(dian)(dian)阻合金絲,結(jie)晶氧化(hua)鎂(mei)粉，經壓縮工藝成(cheng)(cheng)(cheng)型。控制部(bu)分(fen)采用先進的數字(zi)電(dian)(dian)路，集(ji)成(cheng)(cheng)(cheng)電(dian)(dian)路觸發(fa)器(qi)(qi)、高(gao)(gao)反壓可控硅(gui)等組成(cheng)(cheng)(cheng)可調測(ce)溫(wen)(wen)、恒溫(wen)(wen)系統，保證了(le)電(dian)(dian)加(jia)(jia)熱(re)(re)器(qi)(qi)的正常(chang)運行。管(guan)(guan)道(dao)電(dian)(dian)加(jia)(jia)熱(re)(re)器(qi)(qi)是由多支管(guan)(guan)狀(zhuang)電(dian)(dian)加(jia)(jia)熱(re)(re)元件、筒(tong)體、導(dao)流板(ban)等幾(ji)部(bu)分(fen)組成(cheng)(cheng)(cheng)，管(guan)(guan)狀(zhuang)電(dian)(dian)熱(re)(re)元件是在(zai)金屬管(guan)(guan)內放入高(gao)(gao)溫(wen)(wen)電(dian)(dian)阻絲，在(zai)空隙部(bu)分(fen)緊密地填入具有良好絕緣性(xing)和(he)(he)導(dao)熱(re)(re)性(xing)能的結(jie)晶氧化(hua)鎂(mei)粉，采用管(guan)(guan)狀(zhuang)電(dian)(dian)熱(re)(re)元件做發(fa)熱(re)(re)體，具有結(jie)構先進，熱(re)(re)效率(lv)高(gao)(gao)，機(ji)械強度好，耐(nai)腐、耐(nai)磨(mo)等特點。筒(tong)體內安裝了(le)導(dao)流隔板(ban)，能使空氣在(zai)流通時受熱(re)(re)均(jun)勻。