我国北方多数城市已陆续开展燃煤集中供热锅炉“改燃”工作,社会上也出现了对供热改燃的质疑和争议。天津市自2013年以来陆续实施供热改燃工作,大气环境逐渐改善,供热结构逐步优化,但在气源保障、经济效益、氮氧化物排放等方面,也存在一些问题。通过科学分析,探讨有关应对办法。 Most cities in the northern part of our country have successively carried out the work of “burning coal” for coal-fired centralized heating boilers, and there have also been doubts and controversies in the society regarding the reforming of heating supplies. Since 2013, Tianjin has successively carried out heating and re-ignition work, the atmospheric environment has been gradually improved, and the heat supply structure has been gradually optimized. However, there are some problems in terms of gas source protection, economic benefits and nitrogen oxide emissions. Through scientific analysis, to explore the coping methods.