火电厂进厂煤与入炉煤热值差的大小是双达标、创一流考核的一个重要指标。针对火电厂普遍存在的热值差偏大问题 ,浅析了采样、测量、储存等环节中产生热值差的原因 ,以及应采取的技术措施 Thermal power plant into the coal and coal into the furnace calorific value difference is double standard, a first-class assessment of an important indicator. In view of the widespread problem of large calorific value difference in thermal power plant, this paper analyzes the reason of the calorific value difference in sampling, measurement and storage, as well as the technical measures to be taken