循环流化床锅炉热惯性

The thermal inertia of circulating fluidized bed boiler

作为一种清洁煤燃烧技术，循环流化床锅炉的运用越来越广泛。单机容量也越来越大。大型循环流化床锅炉并入电网运行后，必然要参与调峰和一次调频，但其热惯性大，不易调节，对负荷响应速度慢的特性对电网安全的影响也更为明显。特别是燃用无烟煤的循环流化床锅炉其燃烧惰性也更为突出，通过毕节电厂在试运过程中的AGC实验对该现象进行简单的分析。

As a clean coal combustion technology, circulating fluidized bed sive and the stand -alone capacity is also growing. It is inevitably to make frequency modulations after large circulating fluidized bed boiler switching boil are more and more extenpeak modulation and primary in the power grid. However, due to its large thermal inertia, unease adjustment and slow response to the load characteristics, it has significant influence on the power grid safety. Especially in the circulating fluidized bed boiler using anthracite coal, the combustion inertia is more prominent. The paper briefly analyzes the phenomenon through the AGC experiment during the test run in Bijie power plant.