Heat exchangers for crystallization of crystallizable suspensions while in motion

A heat exchanger for crystallization of crystallizable suspensions whilst in motion including a vertical cylindrical tank divided into an upper or deposit section containing an agitating vane and a processing section containing a plurality of superimposed subsections each partially defined by screens containing flow passes for the suspension, said screens being arranged such that alternate passes are in the periphery with the other passes in the centre, heat exchanging elements located in each one of the subsections, an axial vertical shaft with internal ducts and labyrinths to which are coupled the agitating vane and the heat exchanging elements and located on the upper end of said shaft a frame containing nozzles for feeding and venting the fluid that exchanges heat with said suspension, said frame resting on at least two hydraulic pistons, said pistons being located on a bridge at the upper part of the deposit section, and a discharge valve in the bottom of the lower subsection for processed suspension.