The utility model relates to
centrifugal pump shaft seal structure field especially point to a marine horizontal
centrifugal pump built -in
water cooling shaft seal structure, including direct
drive motor, the output of direct
drive motor is connected with the pump body, the shaft seal body is installed in the pump body, the side close to direct
drive motor of the pump body is equipped with cooling groove, the fixedly connected with water inlet
pipe on the pump body, one side fixedly connected with drive shell of water inlet
pipe, the middle part rotationally connected with the shaft of drive shell, the fixedly connected with the
impeller on the outer wall of shaft, the rear end fixedly connected with filter shell of drive shell, fixedly connected with the mounting plate in filter shell. The utility model, through setting up drive shell, shaft,
impeller, cylinder type filter screen, connecting plate, cleaning rod and
brush structure mutual cooperation, can in the use process of cylinder type filter screen, through the surface
dirt of
brush to its timely cleaning, avoids the problem that the mesh is blocked, and it is convenient and easy.