在以煤粉為燃料的鍋爐中,通過燃燒器將含有煤(mei)粉的(de)一次(ci)(ci)風(feng)(feng)和不含煤(mei)粉的(de)二次(ci)(ci)風(feng)(feng)噴(pen)(pen)(pen)(pen)入爐(lu)內(nei),按(an)煤(mei)粉燃(ran)燒(shao)(shao)(shao)器(qi)(qi)噴(pen)(pen)(pen)(pen)出(chu)氣流(liu)(liu)的(de)方(fang)式將其分為兩(liang)大類:直流(liu)(liu)燃(ran)燒(shao)(shao)(shao)器(qi)(qi)和旋流(liu)(liu)燃(ran)燒(shao)(shao)(shao)器(qi)(qi)。通常將噴(pen)(pen)(pen)(pen)口(kou)噴(pen)(pen)(pen)(pen)出(chu)的(de)風(feng)(feng)為直流(liu)(liu)射流(liu)(liu)的(de)燃(ran)燒(shao)(shao)(shao)器(qi)(qi)叫(jiao)(jiao)做直流(liu)(liu)燃(ran)燒(shao)(shao)(shao)器(qi)(qi);將噴(pen)(pen)(pen)(pen)口(kou)噴(pen)(pen)(pen)(pen)出(chu)的(de)風(feng)(feng)擁有旋轉射流(liu)(liu)的(de)燃(ran)燒(shao)(shao)(shao)器(qi)(qi)叫(jiao)(jiao)做旋流(liu)(liu)燃(ran)燒(shao)(shao)(shao)器(qi)(qi),在旋流(liu)(liu)燃(ran)燒(shao)(shao)(shao)器(qi)(qi)中(zhong),噴(pen)(pen)(pen)(pen)口(kou)噴(pen)(pen)(pen)(pen)出(chu)的(de)氣流(liu)(liu)風(feng)(feng)可由(you)多個同(tong)軸旋轉射流(liu)(liu)同(tong)時噴(pen)(pen)(pen)(pen)出(chu)。
直(zhi)流(liu)式(shi)煤(mei)粉燃燒(shao)器(qi):直(zhi)流(liu)式(shi)煤(mei)粉燃燒(shao)器(qi)通(tong)常是(shi)按照垂直(zhi)方向上(shang)安放的多組(zu)一次(ci)風和二次(ci)風噴口,氣流(liu)噴出(chu)方式(shi)是(shi)直(zhi)流(liu)射(she)流(liu),由四組(zu)并安裝在爐內燃燒(shao)室的各(ge)個角(jiao)上(shang)面。
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