Desulfurization and denitrification equipment

The utility model discloses desulfurization and denitrification equipment. The device comprises a desulfurization box, a denitration box and a box body, the top of the left side surface of the desulfurization box communicates with a gas inlet pipe; a desulfurization catalyst pipe communicates with the center of the top surface of the desulfurization box, a breather pipe communicates with the top of the right side surface of the desulfurization box, the right side of the breather pipe communicates with the top of the left side of the denitration box, a denitration catalyst pipe communicates with the center of the top surface of the denitration box, and an induced draft fan is fixedly connected to the top of the left side surface of the box body. The device comprises a flow guide pipe, a water suction pump, a water inlet pipe, a filter frame, a first water outlet pipe, a flow division pipe, a drainage pipe, a collection funnel, an induced draft fan and a spray head, the problems that when desulfurized and denit