| abstract |
The invention discloses an SCR denitration process for sintering flue gas, which comprises the following steps: (a) after the flue gas is dedusted for the first time, wet desulfurization is first performed in a desulfurization tower; (b) the flue gas is dedusted for the second time Purification; (c) The heater heats the flue gas, and the SCR method is used for catalytic denitration; (d) The flue gas is exhausted through the chimney. In the present invention, a GGH heat exchanger is arranged on the flue gas duct, and the heat in the flue gas is recovered and the heater acts simultaneously to increase the flue gas temperature, which can greatly save the energy required for flue gas heating, thereby saving costs. |