Hydraulic mining apparatus and method

Details Hydraulic mining apparatus and method Hydraulic mining apparatus and method

1976-07-02

1977-12-06

Purser, Ernest R.

Mining or in situ disintegration of hard material

Processes

Breaking down by direct contact with fluid

241 81, 241 76, 241186R, 299 8, 299 18, E21C 3522

Patent

active

040613984

ABSTRACT:
An hydraulic mining apparatus and method wherein the mined aggregate is separated into dry, relatively large aggregate pieces for dry conveyance and wet, relatively small aggregate pieces for wet conveyance. In the preferred embodiment, the method and apparatus provides for reducing any oversized large aggregate pieces in size so that the large pieces do not exceed a predetermined maximum size. Size reduction is provided by a mechanical breaker and wet, relatively small aggregate is separated out of the mined product prior to the breaking step. The apparatus is embodied in a feeder-breaker mechanism wherein a conveyor running lengthwise of the mechanism first subjects the total mined product to size separation or classification, then directs the larger aggregate pieces through the breaker and, finally, discharges the breaker treated pieces to a dry conveyor. The separated wet, relatively small aggregate pieces are collected within the mechanism and pumped away.

REFERENCES:
patent: B425462 (1976-03-01), Umphrey
patent: 433777 (1890-08-01), Skinner
patent: 2267419 (1941-12-01), Oster
patent: 3790214 (1974-02-01), Kilroy
patent: 3924895 (1975-12-01), Leasure
patent: 3951457 (1976-04-01), Redford

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