目前我国燃煤供热锅炉多是前饲式链条炉。该炉型存在的主要问题是 :实际使用中出力不足 ,不适应负荷剧烈变化 ,锅炉热效率低 ,炉渣含碳量偏高 ,炉排漏煤量大 ,由于煤的落差比较大 ,造成仓内颗粒分配不均 ,两侧煤块多 ,中间细煤多 ,导致煤层通风不均 ,火床燃烧不均匀 ,燃烧工况 At present, China’s coal-fired heating boilers are mostly fed before the chain furnace. The furnace has the main problems are: the actual use of less than sufficient to meet the dramatic changes in load, low thermal efficiency of the boiler, high carbon content of slag, grate leakage of large, due to the coal drop is relatively large, resulting in warehouse particles Uneven distribution, coal briquets on both sides, the middle of more than fine coal, leading to uneven ventilation coal seam, uneven combustion, combustion conditions