Flow guide structure for blade top gland steam seal outlet

The invention provides a flow guide structure for a blade top gland steam seal outlet. The flow guide structure is positioned in a cavity of the blade top gland steam seal; the cavity of the blade topgland steam seal outlet comprises a movable blade, a static blade, a gland steam sealing ring and a static blade retaining ring; a surrounding belt is arranged at the blade top of the moving blade, multiple gland steam seal teeth are arranged on the inner wall of the gland steam seal ring, and a gap is formed between the surrounding belt and the gland steam sealing teeth; the static blade is fixed on the inner side of the static blade retaining ring; an axial side surface, facing the gland steam seal teeth, of the static blade retaining ring extends outwards to form a protruding flow guide part, a flow guide surface is arranged on the flow guide part, and the flow guide surface is a curved surface; and along the flow direction of an air flow, the distance between the flow guide surface and the surrounding belt is