Multi-level hydraulic mining system

Details Multi-level hydraulic mining system Multi-level hydraulic mining system

1975-05-16

1976-11-23

Purser, Ernest R.

Mining or in situ disintegration of hard material

Mine layouts

299 17, 299 18, E21C 3520

Patent

active

039933547

ABSTRACT:
A hydraulic mining system for a mine including a plurality of horizontal stopes each of which has a mining face. The apparatus comprises a main slurry mix tank at the lowermost stope, a hydraulic mining device in each stope, slurry forming mechanism in each stope for converting mined ore into slurry form, a flexible conduit extending from each stope to the main slurry mix tank for conveying mined ore in slurry form to the mix tank, an upflow tube having its lower end at said slurry mix tank and extending upwardly to the ground surface, and a pump for moving slurry upwardly in said tube.

REFERENCES:
patent: 3260548 (1966-07-01), Reichl
patent: 3790214 (1972-09-01), Kilroy
patent: 3870373 (1975-03-01), Doerr et al.
patent: 3924895 (1975-12-01), Leasure
patent: 3942841 (1926-03-01), McCain et al.
"Hydraulic Mining," Mitsui Mining Co., Ltd., 1972.

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