Energy storage device for marine ranch ship

The invention discloses an energy storage device for a marine ranch ship, and relates to the field of marine ranch auxiliary equipment.The energy storage device comprises a storage battery which is installed in the ship and located at the bottom of a deck, an air cooling heat dissipation structure is arranged on the rear portion of the storage battery, and the air cooling heat dissipation structure comprises two air suction hoods and two turbines; a heat dissipation frame is fixedly mounted on the outer surface of the storage battery in the ship, a water pump is fixedly mounted on the rear portion of the heat dissipation frame in the ship, a water pumping cover is fixedly mounted on the rear portion of the water pump in the ship, and the front portion of the water pumping cover is fixedly connected with the input end of the water pump through a connecting pipe. And the interior of the water pumping cover penetrates through the bottom of the ship to be fixedly connected with a water pumping pipe, and a stirrin