Patent ID: 7736502

Claim:
A temperature transfer filter plate assembly for a filter press for separating liquid from slurry, said temperature transfer filter plate assembly comprising: a rigid frame including a center wall and a peripheral edge portion disposed in surrounding relation with said center wall, said center wall having a width which is less than said peripheral edge portion; a pair of filter cloths disposed on respective opposing sides of said rigid frame; and a pair of temperature transfer filter plates disposed on opposing sides of said frame between the respective filter cloths and the center wall of said frame, each said temperature transfer filter plate having an inner wall and an outer wall defining a chamber therebetween for communicating with a supply of heated or cooled fluid for heating or cooling of slurry, liquid collecting chambers being defined between the inner wall of each said temperature transfer filter plate and the center wall of said frame, each said temperature transfer filter plate including a plurality of apertures extending through said inner wall and said outer wall, said apertures opening into said collecting chamber for allowing liquid to pass through said adjacent filter cloth and through said apertures into the collecting chamber.