Patent ID: 7473375

Claim:
Filter-dryer vessel ( 1 ) comprising: a sealed cylindrically shaped vessel ( 1 ) having a top cover ( 11 ), a bottom plate ( 13 ) and a side wall ( 12 ) joined to the top cover ( 11 ) and the bottom plate ( 13 ); a separation plate 15 at least partially formed by a filter element, positioned in the lower third of the vessel ( 1 ); a turning agitator ( 14 ) in the center of the vessel ( 1 ) comprising an agitator shaft ( 144 ) and at least one agitator arm ( 141 ), having no predetermined direction of rotation and being vertically movable; at least one side opening ( 16 ) on or above the separation plate ( 15 ) in the side wall ( 12 ); a belt ( 20 ) having at least the length of the circumference of the inner diameter of the cylindrical part of the containment with a thickness of 3-5 mm and a width “d” of 50-100 mm, is positioned between the side wall and the tip of the agitator arms ( 141 ) along the circumference of the container and the two ends ( 201 ) of said belt ( 20 ) being fixed outside the containment of the vessel ( 1 ) throughout the side opening ( 16 ).