目前无压热水锅炉及其供暖系统的设计、制造、安装、使用、管理和监察基本上处于无章无序状态,无统一的安全管理和安全监察规程。在实际运行中也已发生了很多起事故,暴露出许多问题和事故隐患,据笔者调查,辽宁、北京、广州、河北等地曾出现多起无压热水锅炉及其供暖系统爆炸事? Currently no pressure hot water boiler and heating system design, manufacture, installation, use, management and monitoring are basically in a state without disorder, no uniform safety management and safety supervision procedures. In actual operation, many incidents have also occurred, exposing many problems and hidden dangers of accidents. According to the author’s investigation, there have been many explosions in non-pressure hot water boilers and heating systems in Liaoning, Beijing, Guangzhou and Hebei.