Distillation: apparatus – Apparatus – Systems
Reexamination Certificate
2008-02-18
2010-12-14
Manoharan, Virginia (Department: 1797)
Distillation: apparatus
Apparatus
Systems
C159S002100, C159S002300, C159SDIG002, C202S155000, C202S173000, C202S186000, C203S088000
Reexamination Certificate
active
07850826
ABSTRACT:
The present invention provides a multi stage flash long tube evaporator with flash stages arranged in a plurality of at least three tiers, wherein each tier is divided into a plurality of at least two flash stages and a plurality of at least three tube bundles are arranged in parallel and in a longitudinal direction in each tier. This configuration allows to minimize the evaporator shell volume, shell surface, foot print and weight, minimizing the cost of an evaporator and other related plant cost. This configuration is in particular suitable for large evaporator unit capacities.
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