摘要 |
A nondenatured ground matter with high quality is produced through efficient grinding while preventing overheating by, even in the case of grinding a material to be ground having a flexible thin film, such as cereal grain, efficiently crushing the thin film of low grindability to thereby obtain a ground matter of fine grains with uniform size by the use of simple apparatus and operation. A raw material is fed through raw material supply channel (55,56) into raw material introduction part (11) between fixed grinding disc (4) and moving grinding disc (5). The moving grinding disc (5) is hung down by means of drive shaft (21), and the gap between the same and the fixed grinding disc (4) is adjusted by means of gap adjusting means (7). While preventing any heat transfer from drive unit (8), power is transmitted to the drive shaft (21) so as to rotate the moving grinding disc (5). The raw material while being transferred through coarse grinding distributing channel (17) is coarsely ground and any raw material of low grindability is crushed by crushing part (61), distributed to microgrinding part (62) and microground to thereby attain production of ground matter (60).
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