METHOD OF HYDRAULIC FILL Russian patent published in 2013 - IPC E21F15/08 

FIELD: mining.

SUBSTANCE: method includes erection of a retaining and a filtering link, erection of a pulp line, supply of the filling pulp and water drainage via drain windows in links. Before supply of the filling pump, the design number of drainage pipes are installed in the filled space towards water drainage. At the side of the filtering link, perforated pipes are laid in the filled space with length L_pipe<0.3L, where L - length of the filled space, m, connected via a tight hose to the compressor. After closure of perforated pipes along the length L_pipe, with filling pulp, air is injected into them jointly with supply of the filling pulp to the moment of full flooding of the filled space, afterwards the tight hoses are disconnected from perforated pipes, and perforated pipes are used as drainage ones.

EFFECT: reduction of the period of filling pulp dehydration.

1 dwg, 4 cl