一、前言近年来,世界上在核能利用方面开拓的一个新领域就是利用低温核供热堆代替常规燃油或燃煤的锅炉,作为城市集中供热的热源。一些发达的国家,特别是在核工业方面发达的国家,争相利用本国成熟的核电站技术,开发研究可以建造在城市中心或城市边缘的经济实惠的低温核供热装置,以便节省化石燃料,改善环境。 I. INTRODUCTION In recent years, a new field opened up in the use of nuclear energy in the world is the use of low-temperature nuclear heating reactors instead of conventional fuel or coal-fired boilers as a heat source for urban central heating. Some developed countries, especially those developed in the nuclear industry, are eager to use their mature nuclear power plant technology to develop and study affordable low-temperature nuclear heating devices that can be built in urban centers or on the edge of the city, so as to save fossil fuels and improve surroundings.