METHOD OF PREPARATION OF FILLING MIXTURE Russian patent published in 2002 - IPC

FIELD: mining industry. SUBSTANCE: method is applicable at enterprise including concentrating mill and mining minerals by system filling of worked out spaces. Method includes supply of tailings of concentrating mill through circular pipeline with possibility of direction into several filling complexes located successively over its length. A part of tailings at each filling complex is directed from circular pipeline and separated in hydraulic cyclone into sands and overflow. Separated from hydraulic cyclone overflow is thinned product which is supplied together with hydraulic cyclone sands for forming of filling mixture, and overflow is returned to circular pipeline. Formed in mixer is filling mixture from sands, thinned product and additives. EFFECT: provided year-round transportation of tailings of concentrating mill for low-cost preparation of filling mixture for several users. 1 dwg