Movable drossing device for refining furnace and drossing method of refining furnace

The invention relates to a movable drossing device for a refining furnace and a drossing method of the refining furnace, and belongs to the technical field of metallurgical industry steelmaking equipment. According to the technical scheme, a rotation disc (5) is fixed to a base (10) through rotation disc supporting wheels (4), the rotation disc (5) is provided with a sliding way (9), a moving trolley (7) is arranged on the sliding way (9), a drossing plate (1) is fixed to one end of a work arm (3) through an installing wedge block (2), and the other end of the work arm (3) is fixedly connectedwith one end of a drossing arm (6); the other end of the drossing arm (6) is connected with a piston rod of a hydraulic cylinder (8), the hydraulic cylinder (8) is fixed to the moving trolley (7), one end of a supporting rod (16) is hinged to the drossing arm (6), and the other end of the supporting rod (16) is hinged to the moving trolley (7). The movable drossing device for the refining furnaceand the drossing method o