Offshore oil stain storage device

The utility model relates to the technical field of greasy dirt storage devices, in particular to an offshore greasy dirt storage device which comprises a greasy dirt storage box body, an adapting pipe, a filtering device, a conveying pipe, a plugging cover and a mounting hole, the greasy dirt storage box body is connected with the adapting pipe, the plugging cover is arranged at the end opening of the adapting pipe, and the mounting hole is formed in the plugging cover. A filtering device with a deoiling function is arranged in the adapting pipe and is connected with the conveying pipe; one end of the rotating barrel is driven by the motor to rotate, the conveying pipe is connected with the oil conveying hose, oil dirt is discharged into the rotating barrel through the conveying pipe and filtered through the filter screen, meanwhile, the motor drives the rotating barrel to rotate at a high speed, and the filtered impurities generate centrifugal force through high-speed rotation of the rotating barrel. Oil st