Defects in thermal calculation method on which boiler design is based were analyzed. Such defects caused the calculated value of gas temp. at furnace outlet and convectionPass being lower.
论文分析了该锅炉设计所依据的热力方法的缺陷，使炉膛出口和对流烟道烟温的计算值严重偏低；
2
Retractable blowers shall be provided for the convection evaporative surface (third pass) and inlet to the superheater.