Single Effect Evaporator

Vacuum single effect falling film evaporator, which is mainly used to separate ethanol from materials and recover ethanol by depressurizing vacuum and evaporation. It is a shell-and-tube heat exchanger featuring a gas-liquid separation chamber,used for separating two or more substances with different boiling temperatures.

The principle of single effect falling film evaporation:
The materials are evenly distributed into each falling film pipe through the distributor, and flow down the wall of the pipe in the state of a liquid film. Under the action of gravity and the secondary steam flow, the materials get evaporated while flowing down. At the bottom of the falling film tube, the materials and secondary steam are basically separated, and they reach the separation chamber to achieve complete separation.

S01--Evaporation and separation chamber
E01--Tube heater E02--Tube condenser
E03--Coil condenser E04--Vacuum pump cooler
V01--Middle tank V02--Ethanol collection tank
P01--Feeding pump P02--Concentrate discharge pump
P03--Discharge pump of ethanol P04--Water ring vacuum pump

• Single effect evaporator, suitable for a variety of solution concentration/solvent recovery applications.
• Falling film technology, utilizing the gravity of the liquid film as the falling film driving force, suitable for the evaporation of high viscosity materials.

The advantages of extractive distillation equipment vacuum single effect falling film evaporatormainly include the following:

• High evaporation capacity and energy saving
• High solvent recovery efficiency
• Suitable for evaporation of high viscosity materials
• Design considerations for ease of operation
• Avoidance of thermal cracking

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