Closing cover for oil tanks, especially for tanks intended to contain olive oils from vertical separators, characterized in that it comprises a wall (1), coupled externally on the mouth (5) of the tank (6) and equipped with fixing means to said embouchure; a tilting lid (2) that closes superiorly the contour defined by the wall (1); and a foam extractor, which is mounted inside the wall (1); whose fixing means consist of pressure-penetrating screws (3) that are mounted radially on the wall (1), near its lower edge, and are of greater length than the separation between said wall (1) and the mouth of the container; and whose tilting cover (2) rests on the upper edge of the wall (1) and is hinged to said upper edge by means of hinges (10); and whose foam extractor consists of a perforated pipe (18) that is disposed diametrically inside the wall and is suspended and connected to an outlet circuit that traverses said wall for connection to a suction equipment. (Machine-translation by Google Translate, not legally binding)1. Cubierta de cierre para depósitos de aceite, especialmente para depósitos destinados a contener aceites de oliva procedentes de separadores verticales, caracterizada por que comprende una pared (1), acoplable exteriormente sobre la embocadura (5) del depósito (6) y dotada de medios de fijación a dicha embocadura; una tapa (2) basculante que cierra superiormente el contorno definido por la pared (1); y un extractor de espuma, que va montado por dentro de la pared (1); cuyos medios de fijación consisten en tornillos (3) pasantes de presión que van montados radialmente en la pared (1), cerca de su borde inferior, y son de longitud mayor que la separación entre dicha pared (1) y la embocadura del recipiente; y cuya tapa (2) basculante apoya sobre el borde superior de la pared (1) y va articulada a dicho borde superior mediante bisagras (10); y cuyo extractor de espuma consiste en una tubería (18) perforada que va dispuesta en posición diametral dentro de