Patent ID: 6309513
Filing Date: 2001-10-30
Classification: B01D,C02F,F28D,F28F,Y02A,Y10S

Abstract:
In an apparatus for single-effect vertical tube evaporation of liquids, the improvement comprising:(a) A multiplicity of vertically stacked bundles of vertical tubes, said tubes being sealed at their ends through an upper tube sheet and a lower tube sheet and forming said tube bundles,(b) means for heating said tube bundles with waste heat or turbine reject steam comprising a common steam conduit interconnecting a steam-side of said multiplicity of vertically stacked bundles of tubes in parallel,(c) liquid distribution means interconnecting said multiplicity of vertically stacked bundles of tubes in series on their liquid-side,(d) vapor space vertically separating from one another said multiplicity of vertically stacked bundles of vertical tubes being mounted within a single vessel,(e) said vapor space being connected to condenser means for condensing said vapor to form distillate, and(f) said vessel having a top cover and a bottom plate, means for circulating a liquid from said bottom plate to the top cover of said vessel for distribution through said liquid distribution means, and means for evacuation of air from said vessel.