回轉(zhuan)窯(yao)(yao)(yao)(yao)(yao)窯(yao)(yao)(yao)(yao)(yao)尾(wei)一(yi)般(ban)指預熱(re)器及(ji)(ji)(ji)分(fen)解爐,窯(yao)(yao)(yao)(yao)(yao)尾(wei)主(zhu)是(shi)(shi)作用(yong)是(shi)(shi)對原料粉進行預熱(re)及(ji)(ji)(ji)預分(fen)解,一(yi)般(ban)入(ru)窯(yao)(yao)(yao)(yao)(yao)的(de)分(fen)解率在92%以(yi)(yi)上。CaCO3分(fen)解過程是(shi)(shi)一(yi)個吸熱(re)過程,而在窯(yao)(yao)(yao)(yao)(yao)中煅燒(shao)本身會放(fang)出一(yi)定的(de)熱(re)量。再加上設備散熱(re)及(ji)(ji)(ji)段燒(shao)系統特點要(yao)求。一(yi)般(ban)要(yao)窯(yao)(yao)(yao)(yao)(yao)頭(tou)(tou)加煤與窯(yao)(yao)(yao)(yao)(yao)尾(wei)加煤比(bi)例為(wei)(wei)4:6。一(yi)般(ban)指的(de)窯(yao)(yao)(yao)(yao)(yao)頭(tou)(tou)是(shi)(shi)孰料冷卻(que)(篦冷機(ji))、窯(yao)(yao)(yao)(yao)(yao)頭(tou)(tou)廢氣處理等。冷卻(que)風(feng)的(de)**高(gao)溫段被作為(wei)(wei)二次風(feng)回收(shou)利用(yong),以(yi)(yi)支持窯(yao)(yao)(yao)(yao)(yao)頭(tou)(tou)燃燒(shao)。次高(gao)溫段被作為(wei)(wei)三風(feng)風(feng)回收(shou)利用(yong),經三次風(feng)管到窯(yao)(yao)(yao)(yao)(yao)尾(wei),以(yi)(yi)支持窯(yao)(yao)(yao)(yao)(yao)頭(tou)(tou)燃燒(shao)。