Agitator mill

An agitator mill, comprising

• a grinding container (1) with an inside wall (49) and a grinding chamber (37);
• and
• an agitator (12), which is disposed in the grinding chamber (37) and provided with projecting agitating tools (14, 34, 34′, 14″″) and the agitator axis (22) of which is parallel to the central longitudinal axis (2) of the grinding chamber (37);
• the agitator (12) being drivable in rotation about the agitator axis (22) by a drive (20);
• the grinding chamber (37) being closed by a bottom (3) and covered, but not pressure-sealed, by an upper covering (17);
• the grinding chamber (37) being partially filled with auxiliary grinding bodies (38) which are movable in a mix of grinding stock and auxiliary grinding bodies;
• a grinding-stock feed pipe (24), which opens into the grinding chamber (37), being provided with a grinding-stock feed pump (26);
• and
• a separating device (35, 35′, 35″, 35″″) for separating grinding stock and auxiliary grinding bodies from each other being provided in the grinding chamber (37) and connected to a grinding-stock discharge pipe (27, 27′, 27″, 27′″);
• wherein a grinding-stock discharge pump (39) is provided in the grinding-stock discharge pipe (27, 27′, 27″, 27′″);
• and
• wherein at least one of the grinding-stock feed pump (26) and the grinding-stock discharge pump (36) are controllable.