METHOD OF GOB HYDRAULIC FILL Russian patent published in 2001 - IPC

FIELD: mining; applicable in filling of small volumes, for instance, under preserved objects. SUBSTANCE: method includes hydraulic transportation of pulp through vertical and horizontal pulp lines to gobs, and their subsequent filling. Hydraulic transportation of pulp through vertical section is carried out through one pulp line, and pulp hydraulic transportation over horizontal section is carried out simultaneously through main horizontal pulp line and connected to it horizontal pulp line of small diameter. In this case, losses of head in small pulp line after point of its connection with main line shall be equal to head looses in main line. Flow rate of pulp in main pulp line after point of its connection with small pulp lime is maintained no less than critical one. EFFECT: reduced expenses for filling operations due to concurrent filling of a pair of districts.