Buoy fixing frame structure of muddy water system

The utility model belongs to the field of muddy water treatment, and particularly discloses a muddy water system buoy fixing frame structure which comprises a buoy assembly body, a fixing frame assembly, a buoy welding support, a rubber sealing gasket and a balance weight. The front-section buoy and the rear-section buoy are consistent in structure and are in a hollow cylinder shape; the fixed frame assembly comprises a top surface fixed frame, a bottom surface movable frame and a fastening bolt, the top surface fixed frame is a semi-circular ring-shaped frame and is arranged at the end parts of the outer sides of the front-section buoy and the rear-section buoy, and the top surface fixed frame comprises a reinforcing support rod and an annular rod; the bottom surface movable frame is arranged at the two side ends of the front-section buoy and the rear-section buoy and is connected with the top surface fixed frame, and the bottom surface movable frame is two semicircular mounting discs. The buoy fixing frame