The invention discloses a sea water pump with anti-
corrosion function, which comprises a cover body, a water inlet
pipe, a pump shell and a base, wherein the middle position of the top end of the baseis provided with the pump shell, one end of the pump shell is provided with the cover body, a pump shaft is arranged at the central position of one end in the pump shell, close to the cover body, thepump shaft extends transversely through the cover body, one end of the pump shaft, away from the cover body, is evenly provided with balance wings, a
pulley flat key is arranged at one end of the pump shaft, close to the cover body. The pump shaft of the
pulley flat key, close to the balance wings, is provided with an oil guide plate. A sealing cavity is arranged at the central position of one end in the pump shell, away from the cover body, and a storage battery is arranged inside the sealing cavity. According to the invention, through arranging the cover body, the pump shell, a reserved block, a reserved groove and a fixing bolt, the whole device is convenient to disassemble and assemble, so that personnel can overhaul and clean the inner part of the device, and the functionality of thedevice is enhanced.