改革开放以来,人民生活水平日益提高,中小城镇新建楼房比例很大,城镇面貌焕然一新。随着城市建设的发展,供暖的需求量也大大增加。为了适应供暖的要求,各单位和各生活小区便自建锅炉房,各自形成独立的供热小系统,由此带来如下问题:①污染环境。城镇中烟囱林立,即使有少数烟 Since the reform and opening up, the living standards of the people have been increasing. There is a large proportion of newly-built buildings in small and medium-sized towns, and the appearance of towns and cities has taken on a new look. With the development of urban construction, the demand for heating has also greatly increased. In order to meet the heating requirements, all units and living quarters will build their own boiler houses, each forming an independent small heating system, which brings the following issues: 1 pollution of the environment. Chimneys in the town are everywhere, even with a few smoke