Seawater desalination unit

A seawater desalination unit, comprising:

• an exit filtration part, having at least one exit filter disposed thereat;
• a frame, configured with a reservoir, a water intake pipe and a water discharge pipe in a manner that the reservoir is formed with a first water storage volume, the water intake pipe is connected to the reservoir respectively via one end thereof, while allowing a first check valve to be disposed at a position between the reservoir and the water intake pipe, and the water discharge pipe is connected to the exit filtration part and the reservoir respectively via two opposite ends thereof, while allowing a second check valve to be disposed at a position between the reservoir and the water discharge pipe;
• and
• a water drawing part, arranged in fluid communication with the water intake pipe for generating a water-drawing pressure to force a fluid to flow from an end of the water intake pipe that is not connected to the reservoir into the reservoir of the frame.