Stockpile blending process

Details Stockpile blending process Stockpile blending process

B - Operations, Transporting

65

G

201/23

B65G 65/00 (2006.01) B65G 69/10 (2006.01)

Patent

CA 1164394

METHOD AND APPARATUS FOR ACCUMULATING STOCKPILES OF FLOWABLE SOLID MATERIAL ABSTRACT OF THE DISCLOSURE An elongated stockpile of flowable solid material with two halves disposed at the opposite sides of a longitudinal vertical symmetry plane is accumulated by transporting the material feeding portion of an elongated conveyor in the interior and lengthwise of the upper slope of a mansard-shaped shed together with a manifold having two ducts which receive flowable material from the feeding portion and flank the elongated conveyor. The outlets of the ducts discharge material onto two discrete transverse conveyors which are shiftable so that their discharge ends move nearer to or further away from the symmetry plane. The transverse conveyors are further movable with the manifold lengthwise of the upper slope and to this end are mounted on a gauntry-shaped carriage which travels along floor-mounted rails. The transverse conveyors discharge streams of flowable material which forms elongated piles, first on the floor and thereupon on the layer of flowable material which is formed by the piles covering the floor at both sides of the symmetry plane. The transverse conveyors are shifted upon completion of each forward and each return stroke of the carriage so that the pairs of successively deposited piles are staggered with reference to the piles of the previously deposited pairs. Centrally located auxiliary ducts can receive flowable material directly from the ducts of the manifold when the transverse conveyors are moved apart; this enables the auxiliary ducts to deposit elongated piles in the symmetry plane of the growing stockpile.

392481

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