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

FIELD: mining.

SUBSTANCE: method of hydraulic fill, 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. In the filled space drainage pipes are installed in a tight shell, under which they arrange floats connected to each other by means of a flexible connection with a pitch of h, m. The pitch h is taken from the expression h>20D, where D - external diameter of the drainage pipe, m. During supply of filling pulp, compressed air is supplied into drainage pipes, besides, after filling of the filled space floats are withdrawn and used again.

EFFECT: reduction of the period of filling pulp dehydration.

2 dwg