Feed distribution method for vertical tube evaporation

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United States of America Patent

PATENT NO 4511432
SERIAL NO

06415088

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Abstract

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An improved upflow vertical tube evaporator is characterized by providing a distributor plate located within a certain critical distance or gap of the tube inlets in order to dampen cross flow between the tubes. The critical gap for providing stable operation is disclosed as lying between 0.01 and 0.2 of the average tube diameter. In the preferred embodiment, the distributor plate is capable of being translated relative to tube inlets so that the gap may be widened beyond the critical dimension during periods of stable flow in order to decrease the tube-side pressure drop and increase the heat transfer.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sephton, Hugo H 120 York Ave., Kensington, CA 94708 7 178

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