METHOD FOR GENTLY SLOPING POTASH BED MINING Russian patent published in 2005 - IPC

Abstract RU 2253733 C1

FIELD: mining industry, particularly for mining gently sloping potash salt beds.

SUBSTANCE: method involves delineating stall by excavations; mining stall stock by means of faces along with keeping crunches of existent excavations by auger towards crunches by cutting seam along the full thickness hc; performing cutting between stalls in crunch center after excavation destruction; drilling out potash salt seams with the use of stopping wells in direction to exhausted space, wherein drilling-out is performed for B=4hc width and distance between stopping wells Δ is equal to 3hc.

EFFECT: increased safety and increased degree of sylvinite mineral extraction.

4 dwg

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RU 2 253 733 C1

Authors

Blokhin S.L.

Koval'Skij E.R.

Tkhorikov I.Ju.

Kovalev O.V.

Dimchina V.L.

Dates

2005-06-10Published

2004-03-03Filed