Patent ID: 6524474
Filing Date: 2003-02-25
Classification: B01D,D06F

Abstract:
An apparatus comprising:a vertical accumulator tank having a top end and a bottom end, said accumulator tank being serially connected to a vertical reservoir tank having a top end and a bottom end; a down tube vertically positioned in said accumulator tank having a top end nearest said top end of said accumulator tank and a bottom end nearest said bottom end of said accumulator tank, with an inlet at said top end of said down tube and an outlet at said bottom end of said down tube; an inlet conduit connected said inlet of said down tube, said inlet conduit entering said bottom end of said accumulator tank and defining an upward flow path within said accumulator tank to said inlet at said top end of said down tube; a heat exchanger in communication with said down tube for withdrawing heat therefrom; and a transfer conduit defining a downward flow path from said top end of said accumulator tank to said bottom end of said reservoir tank.