B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 15/06 (2006.01) B02C 23/18 (2006.01)
Patent
CA 2251006
The invention concerns wet grinding and the grinders include at least one roller (4) or wheel (4) rolling on a circular track (18) and pressed elastically on the track. To permit the rational use of grinders of this type for wet grinding, the material is subjected to several grindings by crushing in a bed or layer, and during their stay in the grinder and between two successive grindings, water or another liquid is added (nozzles 12) to the material, which is then drained and/or spin dried (screen 8) in order to reduce its water content to less than 20% by volume.
L'invention concerne le broyage en voie humide et les broyeurs comportant au moins un rouleau ou galet (4) roulant sur une piste circulaire (18) et pressé élastiquement sur celle-ci. Pour permettre l'utilisation rationnelle des broyeurs de ce type pour le broyage en voie humide, on soumet les matières à broyer à plusieurs broyages par écrasement en lit ou couche de matières et, pendant leur séjour dans le broyeur et entre deux broyages successifs, on ajoute de l'eau ou un autre liquide (buses 12) aux matières, puis on les égoutte et/ou les essore (crible 8) de façon à réduire leur teneur en eau à moins de 20 % en volume.
Cordonnier Alain
Evrard Renaud
Gaucherand Bernard
Fcb
Mcfadden Fincham
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