One-step formed flue reverse ridge structure

The utility model discloses a one-step formed flue reverse ridge structure which comprises a reverse ridge body integrally poured with a kitchen floor, the reverse ridge body is of an L-shaped structure, the two ends of the L-shaped structure are connected with kitchen shear walls respectively, and a hollow-square-shaped flue supporting frame is arranged on the inner side, away from the kitchen floor, of the reverse ridge body. The flue supporting frame is of an integrated pouring structure connected with the reverse ridge body, the top face of the reverse ridge body is higher than the top face of the flue supporting frame and the top face of the kitchen floor, and the bottom of the finished flue is installed on the top face of the flue supporting frame. According to the utility model, the problem that the surface of the finished flue is damaged due to the fact that reinforcing steel bars are adopted for supporting the template during secondary pouring of the flue reverse ridge can be avoided, the large hidde