Aimed at the fact that the wall temperature of heat exchanger is lower than the dew point of flue gas, the thermal energy utilization system for flue gas of positive draft gas boiler is proposed.
针对烟气换热器壁面温度会低于排烟露点的情况，提出了正压通风燃气锅炉排烟热能利用系统。
2
Comprehensive utilization and application technology of flue gas desulphurization(FGD) gypsum are introduced in this paper.
本文主要阐述了脱硫石膏在国内外的资源化利用现状以及脱硫石膏的应用技术；
3
Quality of sintering flue gas desulfurization (FGD) gypsum is one of the key factors in FGD gypsum utilization.