METHOD FOR FORMATION AND MINING OF TECHNOGENIC DEPOSIT Russian patent published in 1997 - IPC

FIELD: mining industry. SUBSTANCE: this can be used in mining coal deposits. According to method, high efficiency of formation and mining of technogenic deposits are achieved by procedure implying placement of mixture of prepared composition section by section in three-section store of circular type, and mining is effected in same succession. Placement is effected in first section with dewatering of compound. In second section, dewatering is continued and compound is hardening. In third section, ready product is retracted. Assignment of sections is changed as ready material is extracted. Dewatering is performed by draining and freed water is branched out through drain trenches. EFFECT: high efficiency. 1 dwg