PROCESS OF DEVELOPMENT OF TAILING DUMP Russian patent published in 2003 - IPC

FIELD: mining industry, development of tailing dump of dressing mill. SUBSTANCE: area with certified content of wanted mineral component outlined within bounds of drained tailing dump is developed mechanically with the aid of tunnel shield employed to drive collectors under roads without disturbance of surface layer of ground. Separated certified sand is directed by hydraulic transport to dressing mill to recover mineral components. For prevention of impoverishment of extracted certified sands with fallen uncertified sand support is left temporarily in developed chamber which is removed after extraction of sand from working chamber. After removal of support developed space is filled with self-falling sands of tailing dump. EFFECT: decreased expenditure on recovery of wanted mineral components from certified sands of tailing damp. 3 dwg