Foam collecting device for sea water desalination by distillation method

The utility model discloses a foam collecting device for sea water desalination in a distillation method. The utility model has the characteristics of simple manufacturing and installing technology, convenient maintenance and convenient replacement. The utility model comprises an evaporator, a steam passage and a supporting plate which is arranged on the evaporator, wherein the point of the steam passage is provided with three pieces of folding screen baffle plates; the end part of the supporting plate is provided with an opening slot, and a V-shaped folded plate at a degree of 80 DEG-100 DEG is arranged in the opening slot; the opening angle of the opening slot are the end part of the supporting plate is symmetrically upward, and the range of the intersection angle is 40 DEG-50 DEG. The supporting plate and the V-shaped folded plate can adopt nonmetallic materials, such as a glass-reinforced plastic material, etc.