TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

COARSE CRUSHING [1 record]

Record 1 1995-11-01

English

Subject field(s)
  • Processing of Mineral Products
  • Mineral Processing (Metallurgy)
DEF

In ore dressing, the first stage in which crushers take run-of-mine ore and reduce it to a size small enough to be taken by the next crusher in the series.

CONT

Primary crushing brings run-of-mine ore down to a maximum size of the order 4" to 6" in average diameter .... Primary crushing. From minus 1 m to minus 100 mm.

CONT

The first step in beneficiation is to crush and grind the ore to separate the constituents. This is referred to as comminution. Several stages of crushing are necessary, and these are considered to be breaking and coarse crushing, intermediate and fine crushing, and grinding.

French

Domaine(s)
  • Préparation des produits miniers
  • Minéralurgie (Métallurgie)
DEF

Concassage à une dimension de l'ordre de 100 à 400 mm du matériau tout-venant tel qu'il est produit par la carrière ou par la mine.

CONT

Le stade du concassage constitue une gamme d'action très étendue: à partir des blocs obtenus dans la phase précédente [l'abattage], le concassage primaire délivre des éléments de taille inférieure à 100 mm.

Spanish

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