管道加熱器分為兩種模式：一種是采用管道加熱器內部的法蘭式管狀電熱元件倒插在管道加熱器中的反應釜夾套中加熱導熱油，將管道加熱器中的熱能傳輸給管道加熱器內部反應釜中的化工原料。 

管道式加熱器廠家還有一種方式是直接在管道加熱器中的反應釜中插入管道加熱器中的管狀電熱元件或在管道加熱器的壁四周均勻分布電熱管。這種模式稱為管道加熱器的內熱式。管道加熱器的內熱式升溫快、效率高。

管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)的(de)另一(yi)種(zhong)模(mo)式是遠(yuan)紅外(wai)電加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)裝置(zhi)。即管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)中(zhong)(zhong)的(de)內(nei)部系(xi)統(tong)中(zhong)(zhong)的(de)電加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)包裹住管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)中(zhong)(zhong)反應釜底部及管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)的(de)中(zhong)(zhong)下(xia)部位進行加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)。管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)的(de)遠(yuan)紅外(wai)電加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)裝置(zhi)具有(you)管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)內(nei)部系(xi)統(tong)的(de)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)面積大(da)，管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)的(de)升(sheng)溫平穩而快，管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)的(de)放熱(re)(re)(re)(re)均勻，管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)的(de)溫度控(kong)(kong)制方便，管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)可(ke)上(shang)(shang)、中(zhong)(zhong)、下(xia)分段控(kong)(kong)制，管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)釜內(nei)釜壁溫度易控(kong)(kong)制，管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)對(dui)釜內(nei)物燃料(liao)無任(ren)何副作用(yong)，更不會出管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)中(zhong)(zhong)現(xian)物料(liao)碳化(hua)現(xian)象，管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)運行無噪音，無污染，管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)的(de)使用(yong)壽命(ming)長（30000小時以上(shang)(shang)），管(guan)(guan)(guan)(guan)(guan)道(dao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)的(de)節能顯著（28%以上(shang)(shang)）。