Falling Film Evaporator

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Falling film evaporation is to add the feed liquid from the upper tube box of the heating chamber of the falling film evaporator, and distribute it evenly into each heat exchange tube through the liquid distribution and film forming device. Under the influence of gravity and vacuum induction and air flow, it forms a uniform film. Flow up and down. During the flow process, it is heated and vaporized by the shell-side heating medium, and the generated steam and liquid phase enter the separation chamber of the evaporator together. After the vapor and liquid are fully separated, the steam enters the condenser to condense (single-effect operation) or enters the next-effect evaporator as The medium is heated to achieve multi-effect operation, and the liquid phase is discharged from the separation chamber.

They are widely used in the evaporation and concentration of water or organic solvent solutions in the pharmaceutical, food, chemical, light industry and other industries, and can be widely used in the treatment of waste liquids in the above industries. Especially suitable for heat-sensitive materials. The equipment is continuously operated under vacuum and low temperature conditions. It has high evaporation capacity, energy saving and low consumption, low operating costs, and can ensure the invariability of materials during the evaporation process.