Flue gas treatment device for thermal power plant

The utility model discloses a flue gas treatment device for a thermal power plant, which comprises a tank body, an air inlet fan for flue gas after combustion to enter is arranged below the outside of the tank body, a water inlet pipe for purifying the flue gas is arranged at the top of the tank body, and the bottom of the water inlet pipe penetrates through the top of the tank body and extends into the tank body. A water inlet pipe is arranged in the tank body, a spray head for purifying flue gas is connected below the water inlet pipe in the tank body, and a purifying mechanism is arranged on the outer wall of one side of the upper part of the tank body, a purifying solution in the water tank is mixed and stirred through the stirring mechanism, and the purifying solution added through the water adding pipe is mixed and stirred at any time; the problems that solutions in the water tanks are in a static treatment state, purified solutions mixed in the water tanks are prone to precipitation, and the flue gas p