Submersible two-way axial flow pump with high sealing performance

The utility model discloses a submersible two-way axial flow pump with high sealing performance, which belongs to the technical field of two-way axial flow pumps, a motor rotor component is sleeved in the middle of a rotating rod, a suction section is mounted at openings on two sides of the inner wall of an outer cylinder, a guide vane blade is mounted on one side of the middle upper section of the inner wall of the outer cylinder, and a ball bearing is sleeved on one side of the middle of the rotating rod. In order to pursue light weight of a pump set, a motor matched with the pump set adopts a permanent magnet motor, the motor of the type has the characteristics of simple structure, high reliability and high efficiency, and compared with an asynchronous motor, the permanent magnet motor with the same power is light in weight and small in size and meets the requirements of equipment compactness and light weight in the ship industry. After implementation, the problem that a bilge water and ballast water syste