Apparatus for carrying out a counter-current extraction

摘要

Apparatus for carrying out a counter-current extraction of materials from a pourable solid by means of a liquid, solid and liquid being continuously conducted in counter-current to each other in the apparatus with mutual mixing, in which the extraction apparatus has an elongate hollow cylindrical drum (2), which is mounted at an incline, and is rotatable about its longitudinal axis (27), on the bottom end (22) of which are arranged a feed apparatus (3) for the solid and an outlet (71) for the liquid and at the top end (23) of which are arranged a removal apparatus (4) for the solid and an inlet (91, 91') for the liquid, and in the interior (20) of which means (24) are available for continuous transport and circulation of the solid. <IMAGE>