Wet desulphurization chimney heating device

The wet desulphurization chimney heating device comprises a water storage tank, a flue gas backflow pipeline, a motor box and a stirring column, the water storage tank is fixed to the top of a support, an electric heating plate is fixed to the inner bottom of the water storage tank, and a gas inlet channel and a gas outlet channel are fixed to the two sides of the water storage tank in a penetrating mode respectively; a connecting pipeline is fixed between the air inlet channel and the air outlet channel, a first fan is fixed on the inner side of the connecting pipeline, a second fan is fixed in the air outlet channel, a thermometer is arranged on one side of the second fan, the stirring column is rotationally connected to the inner top of the water storage tank, and a steam backflow pipeline is fixed to the top of the water storage tank in a penetrating mode. According to the heating device for the wet desulphurization chimney, the temperature of flue gas in the gas outlet channel can be detected through the