使用管道保溫管是(shi)(shi)(shi)減(jian)少(shao)供(gong)熱(re)(re)管(guan)(guan)道(dao)及其附件、設備等向(xiang)周圍(wei)環(huan)境散失熱(re)(re)量的(de)措施(shi)。應具有(you)熱(re)(re)導率小(xiao)，吸水性低。管(guan)(guan)道(dao)保(bao)溫(wen)(wen)管(guan)(guan)的(de)機械(xie)強度(du)較高,在(zai)使用(yong)(yong)溫(wen)(wen)度(du)范圍(wei)內不變(bian)形、不變(bian)質(zhi)、可燃性小(xiao)、不腐蝕(shi)金(jin)屬(shu)，易于(yu)施(shi)工成(cheng)型和(he)成(cheng)本低廉等特點。管(guan)(guan)道(dao)保(bao)溫(wen)(wen)管(guan)(guan)的(de)主要作(zuo)用(yong)(yong)是(shi)(shi)(shi)減(jian)少(shao)供(gong)熱(re)(re)介質(zhi)在(zai)輸送過(guo)程中的(de)熱(re)(re)量損失，節約燃料，保(bao)證供(gong)熱(re)(re)質(zhi)量，以滿(man)足(zu)用(yong)(yong)戶的(de)需要。保(bao)溫(wen)(wen)的(de)另一個作(zuo)用(yong)(yong)是(shi)(shi)(shi)使管(guan)(guan)道(dao)外表面溫(wen)(wen)度(du)不致過(guo)高，避免(mian)燙(tang)傷運行檢修人員。