Movable seawater desalination device

The invention relates to a movable seawater desalination device, which comprises a filtering mechanism, a pressurizing plunger pump and a tubular membrane mechanism which are connected in sequence, the filtering mechanism comprises a first filtering area and a second filtering area, the first filtering area is connected with a water inlet of the pressurizing plunger pump, seawater enters the pressurizing plunger pump after being filtered by the filtering area, the second filtering area is connected with a concentrated solution outlet of a tubular membrane mechanism, the concentrated solution flows through the filtering area and then is discharged, the filtering plate in the first filtering area is used for filtering, and the driving mechanism is matched for use to drive the filtering plates in the first filtering area and the second filtering area to move oppositely; the positions of the filtering plates in the first filtering area and the second filtering area are exchanged, the filtering plates in the secon