SHL_(1200)~(14)—1.4/130/70—AⅡ型锅炉是北方地区中小型区域集中供热锅炉房采用的主要炉型之一,其运行的经济性及技术性能的优劣会直接影响供热区域人民生活水准及供热部门的经济效益。作者对东北地区两个城市三个锅炉房的七台该型锅炉的调查发现,均存在很严重的出力不足、热效率低的问题。七台锅炉运行参数的平均值为:实际热负荷/额定热负荷为40.56％,热效率为 SHL_ (1200) ~ (14) -1.4 / 130/70-A Ⅱ boilers are one of the main furnaces used in small and medium sized central heating boiler rooms in northern China. The economic and technological performance of SHL_ (1200) ~ (14) -1.4 / 130 / 70- Affect the living standard of people in the heating area and the economic benefits of the heating sector. The author of the two cities in Northeast China three boiler room of the seven sets of boiler survey found that there are serious problems of insufficient output, low thermal efficiency. Qitai boiler operating parameters of the average: the actual thermal load / rated heat load of 40.56%, the thermal efficiency of