The invention provides desulfurization equipment. The desulfurization equipment comprises a tower body, and a desulfurization mechanism and a spraying mechanism which are arranged in the tower body, wherein a water filtering region and a plurality of gas distributors are arranged at the bottom of the tower body; the gas distributors are connected with a waste gas inlet pipe and are immersed in strong-alkali filtered water in the water filtering region; the desulfurization mechanism is arranged above the water filtering region; the desulfurization mechanism comprises a conveyor belt and filtering cotton which is paved on the surface of the outer layer of the conveyor belt; a plurality of ventilation holes which penetrate through the conveyor belt are uniformly formed in the conveyor belt; the spraying mechanism comprises a spraying pipe and a spraying head arranged on the spraying pipe; the conveyor belt comprises an upper conveying section and a lower conveying section; the spraying pipe is mounted on the tower body and is connected with a desulfurization agent injection mechanism; the spraying pipe is located between the upper conveying section and the lower conveying section; thespraying head is arranged toward the lower conveying section. By adopting the desulfurization equipment provided by the invention, industrial waste gas can meet the emission requirements.