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工业锅炉已成为我国耗能最多的设备之一,2007年全国耗煤25.8亿t,其中工业锅炉耗煤4亿t。工业锅炉生产的二次能源——蒸汽或热水,是通过热力管网送往各种用热设备。锅炉、管网和用热设备组成的热力系统,其能源利用率应等于锅炉热效率、管网热效率和用热设备热效率的乘积,即η_能=η_锅×η_管×η_设。由此可见,锅炉耗能的大小不仅决定于本身热效率的高低,而且还决定于热力系统的能源利用率。但许多使用单位只重视锅炉本身的技术改造,提高出力和热效
Industrial boilers have become one of the most energy-consuming equipment in China. In 2007, the country consumed 2.58 billion tons of coal, of which 400 million tons were consumed by industrial boilers. Secondary energy produced by industrial boilers - steam or hot water - is sent through heat pipe networks to a variety of hot equipment. Boiler, pipe network and the heat equipment composed of the thermal system, the energy utilization rate should be equal to the boiler thermal efficiency, pipe network thermal efficiency and thermal efficiency of the thermal product of the product, that η_ = η_ pot × η_ tube × η_ set. Thus, the size of the boiler energy consumption not only depends on the level of its own thermal efficiency, but also depends on the energy efficiency of the thermal system. However, many employers only attach importance to the technological transformation of the boiler itself to improve output and thermal efficiency