Three-stage steam-water separation device based on steam generator

The three-stage steam-water separation device comprises an air inlet pipe, a box body, a partition plate, an air exhaust groove, fins, a confluence groove and an air exhaust pipe, the partition plate is arranged in the box body and divides the interior of the box body into a first separation bin and a second separation bin, the air inlet pipe is arranged on the upper surface of the box body, and the air exhaust groove is formed in the upper surface of the box body. A water discharging pipe is arranged on one side of the bottom end of the box body, symmetrically-distributed air discharging grooves are formed in the surface of the partition plate, fins distributed at equal intervals are arranged in the air discharging grooves, a confluence groove is formed in the connecting position of the edge of the partition plate and the inner wall of the box body, and an air discharging pipe is inserted into one side of the upper surface of the box body; through holes which are evenly distributed are formed in the surface