1990年7月20日至7月21日,全国第一次无压锅炉会议在湖南省长沙市召开,本次会议是由机电部北京电工综合技术经济研究所锅炉研究部组织,全国有关地区劳动部门、锅炉制造部门的七十余名代表参加了会议。会议期间,锅炉研究部王易明高级工程师介绍了无压锅炉现状与前景;大连市劳动局的代表介绍了大连地区常压锅炉发展状况及劳动部门对其实施管理办 July 20, 1990 to July 21, the first pressure-free boilers conference was held in Changsha, Hunan Province, this meeting is organized by the Beijing Institute of Electrical and Mechanical Engineers Boiler Research Institute of the Ministry of Labor, the relevant national labor More than seventy representatives from departments and boiler manufacturing departments attended the meeting. During the meeting, Wang Yi-ming, a senior engineer in the boiler research department, introduced the status quo and prospects of pressureless boilers. The representative of Dalian Labor Bureau introduced the development of atmospheric pressure boilers in Dalian and the implementation of management by the labor department