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Falling Film Evaporator

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Introduction:

    Falling film evaporation is to add the material liquid from the upper tube box of the heating chamber of the falling film evaporator, and distribute it evenly into the heat exchange tubes through the liquid distribution and film forming device. Under the action of gravity, vacuum induction and air flow, it becomes a uniform film. Flow from top to bottom.

    During the flow process, it is heated and vaporized by the heating medium in the shell side, 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 for condensation (single-effect operation) or enters the next-effect evaporator as the heated medium to achieve multi-effect operation, and the liquid phase is discharged from the separation chamber.


Application:

    Falling film evaporators are widely used in the evaporation and concentration of water or organic solvent solutions in medicine, food, chemical, light industry and other industries, and can be widely used in waste liquid treatment in the above industries. It is especially suitable for heat-sensitive materials. The equipment operates continuously under vacuum and low temperature conditions. It has high evaporation capacity, energy saving and consumption reduction, low operating costs, and can ensure the invariance of materials during the evaporation process.


Main Feature:

1)The feed liquid is added from the top of the evaporator, and obtains the concentrated liquid at the bottom. 

2)Falling film evaporator can evaporate materials with higher concentration and higher viscosity. 

3)High heat transfer coefficient, vacuum evaporation, small temperature difference, Low power consumption & energy saving.

4)The residence time is short, and can ensure the invariance of materials during the evaporation process.

5)Suitable for processing heat-sensitive materials and foaming materials by evaporation and concentration.

6)The liquid hold-up is small, and can operate quickly according to changes in energy supply, vacuum, feed volume, concentration, etc.

7)Can use low temperature difference evaporation.


Model:

   Single-effect Falling Film Evaporator, Double-effect Falling Film Evaporator, Triple-effect Falling Film Evaporator, Five-effect Falling Film Evaporator, Multi-effect Falling Film Evaporator.

DYE Falling Film Evaporator

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