SCR (Selective Catalytic Reduction) denitration device for thermal power plant and steel plant

The utility model discloses an SCR (Selective Catalytic Reduction) denitration device for a thermal power plant and a steel plant, which relates to the technical field of denitration and comprises a base, the outer wall of the base is fixedly connected with a leg column, the outer wall of the leg column is fixedly connected with a support plate, the outer wall of the support plate is fixedly connected with a filter box, and the outer wall of the filter box is fixedly connected with a motor. An output shaft of the motor is fixedly connected with a filtering fan through a coupler, one side of the filtering box is fixedly connected with a first gas collecting pipe, one side of the filtering box is fixedly connected with an air pump, the output end of the air pump is fixedly connected with a second gas collecting pipe, and the outer wall of the base is fixedly connected with a denitration box. The outer wall of the filter box is in bearing connection with a hinge, and one side of the hinge is fixedly connected wi