Mechanical Vapour Recompression (MVR) Evaporator
Mechanical Vapour Recompression (MVR) Evaporator
Swenson MVR evaporators utilize electricity to drive a compressor that recycles the latent heat found in vapour produced in the system. This energy-efficient, cost-saving technology has become increasingly popular not only to combat rising energy costs, but also to drive facility electrification.
Benefits of Mechanical Vapour Recompression Evaporators
- Significant energy and cost savings
- Reduces environmental footprint
How Mechanical Vapour Recompression Evaporators Work
The principle behind mechanical vapor recompression (MVR) evaporators is simple. Vapour from an evaporator is compressed, utilizing fans or compressors, to a higher pressure, in turn, a higher temperature so that it can be utilized as the heating medium in the evaporator heat exchanger. By utilizing electricity to drive this compression process, Swenson MVR evaporators reduce and can even eliminate the need for continuous live steam. As energy prices rise and carbon reduction mandates tighten, MVR systems have become increasingly popular. They offer industrial facilities a proven pathway to reduce operating costs, bypass boiler limitations, and reduce their carbon footprint.
Mechanical recompression works best in a system with low boiling point elevation and where larger heat transfer surfaces can be used to account for the differential temperatures across the heat exchanger.
- The boiling-point rise, i.e., the temperature of the boiling liquor minus the temperature of boiling water at the same pressure
- The Delta-T required for heat transfer
- The pressure drop in the vapour pipe to and from the compressor
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