Seat ring fixing device for concrete installation of large-scale axial mixed-flow submersible electric pump

The utility model discloses a seat ring fixing device for concrete installation of a large-scale axial mixed flow submersible electric pump. The device comprises a submersible electric pump and a water inlet runner, the bottom of the submersible electric pump is fixedly connected with a guide vane body; the bottom of the guide vane body is located in the water inlet flow channel. A civil engineering pouring layer is arranged on the periphery of the water inlet flow channel. An embedded groove is formed in the top of the civil engineering pouring layer. The same pre-buried base is arranged on the pre-buried groove and located on the periphery of the water inlet flow channel, the pre-buried base comprises a U-shaped pre-buried base body, a pre-buried plate is fixedly connected to the top ofthe U-shaped pre-buried base body, a base ring is arranged at the top of the pre-buried plate, angle iron is arranged on the periphery of the base ring, and an adjusting bolt is movably inserted intoone end of the angle iron.