A silo (100) for storing bulk material, comprising: a container (110) defining an inner space (114), at least one supply opening (120), an insert (130) having the shape of a capped cone, located in said inner space (114), the bottom rim (138) of the insert (130) being mechanically coupled to the inner surface of the container (110), the insert (130) having one or more openings (150), along its bottom rim (138) for allowing bulk material to pass from the upper inner space (142) to the lower inner space (144), a first group of discharge openings (122) near or at the lower side of the container (110) for discharging bulk material from the lower inner space (144), the top rim (134) is provided with a second group of discharge openings (133) comprising at least one discharge opening (133) for discharging bulk material from the upper inner space (142), a recirculation system (124) coupled to the discharge openings of one of the first and second group of discharge openings, and an extraction system (160) being coupled to the discharge openings of the other of the first and second group of discharge openings.