Electric arc furnace water-cooled furnace cover special for electrically-fused bricks

The utility model discloses a special electric arc furnace water-cooled furnace cover for electrically fused bricks, which comprises a furnace cover body, an air outlet is arranged on the upper surface of the furnace cover body, a cooling cavity is arranged inside the furnace cover body, the inner bottom wall of the cooling cavity is fixedly connected with a worm-shaped flow deflector, the upper surface of the worm-shaped flow deflector is fixedly connected with the inner top wall of the cooling cavity, and the upper surface of the worm-shaped flow deflector is fixedly connected with the lower surface of the cooling cavity. A spiral flow guide block is arranged in the furnace cover body, a cooling cavity is formed in the furnace cover body, one end of the spiral flow guide piece is fixedly connected with the inner wall of the inner side of the cooling cavity, the other end of the spiral flow guide piece is fixedly connected with the inner wall of the outer side of the cooling cavity, and a water drainage pipe