Research On Heat Transfer Model Of B&W Boiler In Variant Condition

Variant operation research of the high-capacity boiler is an important subject, and the heat calculation is the foundation of variant wok condition research. This paper based the radiant theory establishes a new model of the high-capacity boiler heat transfer. And the new criterion of heat calculation is used to the selected unit. The new fragment model which subdivides the combustor zone across the operation and takes the furnace hopper as a independent region. So the temperature r distribution of combustor region and temperature along the furnace are obtained. Radiant and platen superheater's new method are more agree with the practice law. The establishment of heat transfer model offers the theory basis to the variant operation of the high-capacity boiler.