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A STIRRED GRINDING MILL Abstract The disclosure relates to a stirred grinding mill (1), comprising a mill body (2) defining a grinding chamber (15) therein; a stirring assembly (10) arranged inside the mill body (2), and a discharge housing (12) arranged on 5 top of the grinding chamber (15), the discharge housing (12) has a circumferential wall (13) and a pressure plate system (20. 30, 40, 50) disposed at a lower end (12a) thereof, the pressure plate system (20. 30, 40, 50) comprises one or more stationary plate sections (21a, 21b, 31a, 31b, 41a, 41b, 51a) arranged so as to form an opening (22, 32, 42, 52) through the 10 pressure plate system (20. 30, 40, 50), the opening (22, 32, 42, 52) has a central portion (22a, 32a, 42a, 52a) through which a drive shaft (11) of the stirring assembly (10) extends, and at least one peripheral portion (22b, 32b, 42b, 52b) which extends from the central portion (22a, 32a, 42a, 52a) radially outwardly towards the circumferential wall (13), the pressure plate system 15 (20. 30, 40, 50) further comprises at least one removable plate section (23a, 23b, 33a, 33b, 43a, 53a) which is arranged to be attachable to the one or more stationary plate sections (21a, 21b, 31a, 31b, 41a, 41b, 51a) so as to cover the at least one peripheral portion (22b, 32b, 42b, 52b) of the opening (22, 32, 42, 52). 20 Elected for publication: Figure 4b 1 A STIRRED GRINDING MILL Field of the disclosure The present disclosure relates to a stirred grinding mill which 5 comprises a mill body, a stirring assembly and a discharge housing. Background art A stirred mill, also known as attritor mill, is a type of mill used for grinding and mixing materials such as chemicals, ores, pyrotechnics, paints, 10 and ceramics. It consists of a vertical vessel with a central shaft and impellers that stir the media in a specific pattern. Stirred bead grinding mills are typically used in mineral processing to grind mineral ore particles into smaller sized particles to facilitate further downstream processing, such as separation of the valuable mineral particles 15 from unwanted gangue. For example, mineral ore particles in the range of about 30µm to 4000µm in diameter may be ground down to particles of 5 to 100 µm in diameter. This process is commonly known as fine and ultra-fine grinding. A stirred bead grinding mill typically has a stationary mill body or shell, 20 an internal drive shaft and a discharge housing. The shell and the drive shaft can be arranged vertically in the mill; this kind of mill is also known as a tower mill. The drive shaft has a plurality of stirring elements, such as rotor disks or rotors, so that rotation of the drive shaft also rotates the stirring elements, which in turn stirs a suitable grinding media, and the mineral ore particles, in 25 the form of a feed slurry, passes through this stirred bed of media. The resulting stirring action causes the mineral ore particles to be ground into smaller sized particles. In other words, in contrast to tumbling mills such as ball mills where motion is imparted to the charge via the rotation of the mill shell, in tower and stirred mills motion is imparted to the charge by the 30 movement of an internal stirrer while the shell remains stationary. Exemplary stirred bead grinding mills are known from WO 2217/017315 A1 and WO 2218/138405 A1. 2 A challenge with the stirred mills in general is the high degree of wear subjected to the internal parts of the grinding mill during operation. One of these internal parts is the components of the discharge housing, in particular the pressure plate which is constantly subjected to high degree of wear during 5 operation. There is thus a need in the art for an improved solution where the drive shaft is able to be lifted or moved in a better way. Summary It is an object to...