B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 18/28 (2006.01) B02C 4/08 (2006.01) B02C 18/14 (2006.01) B07B 1/15 (2006.01) B09C 1/00 (2006.01)
Patent
CA 2430287
A device that is used for treating mineral material, in particular material excavated from the ground, has two rollers that rotate in opposite directions. Several elements that are used to convey and reduce the material in the event the particle size is too great are located on said rollers. Particularly brittle and coarse-grained components of the mineral material are reduced by means of elements that are designed to perform a notching action on particles whose size exceeds a minimal size. Reduction by means of the notching action has been shown to save energy and be less wearing for machines. The elements that perform the notching action can also reduce wood (tree stumps).
L'invention concerne un dispositif approprié pour la préparation de matériaux minéraux, en particulier pour travaux d'excavation de sols, comprenant deux rouleaux entraînés en rotation en sens contraire (14, 15), sur chacun desquels sont disposés plusieurs éléments servant au transport et au concassage des matériaux, au cas où ceux-ci présentent une grosseur de grain importante. Pour le concassage des composants de matériaux minéraux particulièrement fragiles et à gros grains, on utilise des éléments (23) qui sont agencés de manière à exercer un effet d'entaille sur des particules de taille supérieure à une taille minimale. Le concassage par effet d'entaille se révèle être un processus permettant d'économiser de l'énergie et de ménager les constituants mécaniques. Les éléments à effet d'entaille (23) peuvent également servir pour le concassage du bois (souches).
Fetherstonhaugh & Co.
Schenk Juergen Hans
LandOfFree
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