循环流化床锅炉(以下简称CFB)作为清洁燃烧技术代表,正向大型化的方向发展,并被大力推广,具有很好的发展前景。但也暴露出一些具体问题,以下主要简述与流化床燃烧有关的问题:1断煤链条炉排燃煤颗粒大,不易堵。煤粉炉有热风送粉,也不易堵。而且链条炉、煤粉炉进煤口都为负压,系统即使有漏风,不易反窜。但CFB锅炉燃煤颗粒比链条炉细,细颗粒黏附,而且无热风干燥。加之循环流化床锅炉常常燃用一些劣质煤,高灰分、高水分,黏土成 Circulating fluidized bed boiler (hereinafter referred to as CFB) as a representative of clean combustion technology, is the direction of large-scale development, and has been vigorously promoted, with good prospects for development. But also exposed some specific issues, the following briefly describes the problems associated with fluidized bed combustion: a coal-fired chain grate coal particles, not blocked. Pulverized coal stove has hot air feeding powder, it is not easy to block. And the chain furnace, pulverized coal into the coal mouth are negative pressure, the system even if the air leakage, easy anti-channeling. However, CFB boiler coal particles than the chain furnace fine, fine particles adhesion, and no hot air drying. Coupled with circulating fluidized bed boiler often burn some of the poor quality coal, high ash, high moisture, clay into