Method and apparatus for utilizing accumulated underground water

Details Method and apparatus for utilizing accumulated underground water Method and apparatus for utilizing accumulated underground water

1977-07-28

1979-06-12

Novosad, Stephen J.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Melted material recovered

166 62, E21C 4114, E21B 4328

Patent

active

041578473

ABSTRACT:
Novel method and apparatus for utilizing, in the mining of subterranean sulphur by the Frasch process, the heat of water that has accumulated underground above at least a part of said subterranean sulphur from previous mining operations comprising subterraneanly recycling said accumulated underground water downwardly to contact and heat additional solid subterranean sulphur. In one embodiment further heat is added to the accumulated underground water. For example, pressurized, superheated drive water generated above ground is subterraneanly commingled with said accumulated underground water in a jet pump or ejector to further heat it and to recycle it subterraneanly.

REFERENCES:
patent: 928036 (1909-07-01), Frasch
patent: 1339621 (1920-05-01), Hebert
patent: 1764538 (1930-06-01), Stewart
patent: 2703145 (1955-03-01), Hildebrandt
patent: 2742091 (1956-04-01), Rotherham
patent: 2754098 (1956-07-01), Lee
patent: 2871948 (1959-02-01), Normand
patent: 2980184 (1961-04-01), Reed
patent: 3258069 (1966-06-01), Hoffman
patent: 3322195 (1967-05-01), Brown et al.
patent: 3333638 (1967-08-01), Bishop
patent: 3432205 (1969-03-01), Hoffman et al.
patent: 3515213 (1970-06-01), Prats
patent: 3525550 (1970-08-01), Hoffman
patent: 3630573 (1971-12-01), Goddin, Jr. et al.
patent: 3938592 (1976-02-01), Aladiev et al.

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