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The deflector used in long tube vertical evaporator can be used as?(a) Vapor separator(b) Foam breaker(c) Pasteurizer(d) Vapor separator and foam breakerThis question was posed to me during an interview.Question is from Evaporator topic in section Building Blocks of Dairy Processing of Dairy Engineering

Answer»

Right choice is (d) Vapor separator and foam BREAKER

To explain: DEFLECTOR PLACED above the tube. This deflector is effective both as a vapor separator and as a foam breaker. When the ratio of feed to evaporation is LOW, RECIRCULATION of liquid is provided.



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