Influence of exhaust gas temperature and flow velocity on flue gas diffusion in gas-fired power plants

Presents a new process for the deep utilization of flue gas waste heat in a gas-steam combined cycle backpressure heating unit. Carries out the theoretical calculation using the AERSCREEN model, and analyses the influence of exhaust gas temperature, flue gas velocity and ambient temperature on flue gas diffusion. The results show that the new process can not cause the NOx ground-level concentration exceeding the standard, and can reduce the energy consumption and pollutant emission of the heating system.