高溫煙氣沸騰爐是一種能夠燃燒劣質(zhì)煤的新爐型,從燃燒方式上,它克服了層燃爐和噴燃爐的缺點,是一種新型的流化床式燃燒爐,燃料經(jīng)破碎成10mm以下的顆粒,由" />
一、工作原理及應用范圍
高溫煙氣沸騰爐是一種能夠燃燒劣質(zhì)煤的新爐型,從燃燒方式上,它克服了層燃爐和噴燃爐的缺點,是一種新型的流化床式燃燒爐,燃料經(jīng)破碎成10mm以下的顆粒,由調(diào)速機械均勻地送入爐膛,可控的高壓風通過布風板上的風帽孔射入爐床,燃料在高壓風的作用下呈流態(tài)化沸騰狀燃燒,產(chǎn)生高溫熱煙氣,爐內(nèi)燃燒通過控制給煤、風量、風壓、尾氣溫度.使燃燒供熱具有良好的控制性;沸騰爐可使用劣質(zhì)燃料.氮化物生成少,易脫硫具有顯著的環(huán)保優(yōu)勢。在節(jié)能、環(huán)保意識日漸增強的今天,鼓勵和推廣煤的潔凈燃燒技術已列入我國節(jié)能法,沸騰爐 已廣泛應用于冶金、化工、建材、非金屬礦等領域的礦渣、粘土、煤粉、復合肥、天然石膏、非金屬礦粉等各種原料和物料的烘干、焙燒提供熱能。
Fluidized bed combustion boiler(FBC boiler) is a new tech of burning with fluidized bed principle.It’s very different to the stoker and burner.The fuel (coal) have to crash the granularity below 10mm,then feed into the hearth evenly by the lifter.The coal are burning like the fluidized bed above the hearth by the high pressure air from the blast caps which distribute under the hearth.The heating load can been controlled by the fuels supply,air volume,wind pressure and off-gas’temperature.FBC boiler is widely used for coal,coal sludge,sludge,slag,sand,chemical fertilizer,gypsum and plenty of other materials drying or calcination.