The invention relates to desulfurization and dedusting equipment with an air intake
system. The desulfurization and dedusting equipment comprises a tank body (1), wherein the tank body (1) is divided into an upper main body part and a lower
sediment tapered body part (6), and the upper main body part is a regular quadrangular body with a square section; the lower
sediment tapered body part (6) is a quadrangular
frustum pyramid with a square section, and a
flue gas outlet (2) is formed in the top end of the upper main body part; a
sediment outlet is formed in the bottom end of the lower sediment tapered body part (6), and an outlet valve (7) is arranged at the sediment outlet; a circulating lye outlet
pipe (4) is arranged at the boundary of the main body part and the sediment tapered body part, and a lye input spraying
pipe (3) is arranged at a part, close to the top end, on the main body part; a
flue gas inlet pipeline (5) is arranged at a part, close to the lower part, in the middle of the main body part, and is provided with the air intake
system close to the tank body (1), and an operable spray blocking device (9) is arranged above the sediment tapered body part (6) in the tank body (1).