Low-pressure external heating unit with thermal vapour compression An alternative to mechanical vapour compression? Things to watch for!
Low-pressure external heating units are usually mentally associated with mechanical vapour compression. Thermal vapour compression of vapour from boiling with high-pressure live steam is an alternative as at a low steam pressure, the live steam portion and thus condensate losses associated with this live steam portion may still be acceptable.
These and other general aspects which have to be considered in addition are dealt with in this article and should be taken into account in the decision-making process.
Mechanical vapour compression
Mechanical vapour compressors compress vapours from wort boiling to 0.35 to 0.5 barg, whereby the higher compression pressure calls for an over-proportional higher power draw compared to the lower compression pressure.35 and 0.e....
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