环境对经济可持续发展的意义，正日益被人们所认识，国家关于“西部大开发”的战略部署中，也对“环境保护”作了特别的强调。随着《中华人民共和国大气污染防治法》的发布和施行，保护城市空气品质、取消燃煤锅炉将逐步提到议事日程上。本文就用于替代燃煤锅炉的三种热源：电? The significance of the environment for the sustainable development of the economy is increasingly being recognized by people. In the strategic deployment of the “Western Development”, the state also placed special emphasis on “environmental protection”. With the promulgation and implementation of the “Law of the People’s Republic of China on Prevention and Control of Atmospheric Pollution,” the protection of urban air quality and the removal of coal-fired boilers will be gradually mentioned on the agenda. This article is used to replace the three heat sources of coal-fired boilers: Electricity?