MVR Evaporator
MVR Evaporator

MVR Evaporator

Applications

This equipment is suitable for the evaporation of products that are not sensitive to high temperatures, particularly where high evaporation rates are required. It is also suitable for products prone to caking and for the evaporation of non-Newtonian fluids whose apparent viscosity decreases at high flow rates. Circulating evaporators with a separated boiling chamber and a top-mounted separator can be used as high-concentration evaporators.

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Product Description

Operating Principle

Based on the siphon pump or rising film principle, the liquid to be concentrated enters at the bottom of the evaporator heating tubes and flows upward to the top. Due to heating from outside the tubes, the liquid film on the inner tube walls begins to boil and partially evaporate. The resulting vapor moves upward, thereby carrying the liquid to the top of the heater.

The liquid and the generated vapor are separated in a separator located downstream of the evaporator. The liquid returns to the evaporator via a recirculation pipe, thereby establishing a stable and uniform recirculation process. The greater the temperature difference between the heating chamber and the boiling chamber, the more intense the evaporation and the faster the liquid recirculation; consequently, heat transfer efficiency is also improved.

To achieve a high final concentration, compared to systems where the boiling chamber is not partitioned, if the boiling chamber of a circulating evaporator is divided into several independent chambers, each equipped with its own liquid ring system, the heating surface area will be significantly reduced.

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