Falling film evaporator

The utility model discloses a falling film evaporator, and particularly relates to the technical field of falling film evaporators, which comprises an evaporator box body, a first support column is arranged at the bottom of the evaporator box body, a first baffle plate is arranged in the evaporator box body, and a second baffle plate is arranged at the bottom of the first baffle plate. A connecting pipe is arranged between the first baffle and the second baffle, a feeding pipe is arranged at the top of the evaporator box body, and a uniform dispersing mechanism is arranged between the connecting pipe and the feeding pipe and comprises a moving box. According to the utility model, the uniform dispersion mechanism is arranged, the descending speed of the feed liquid is reduced, and the feed liquid is pre-stored and discharged through the spray head, so that the feed liquid can enter the pipeline more uniformly and can be uniformly distributed in the pipeline at the same time, and the problem of non-uniform liqu