AURIFEROUS GRAVEL ENRICHMENT LINE Russian patent published in 2008 - IPC B03B9/00 

FIELD: mining.

SUBSTANCE: auriferous gravel enrichment line consists of connected hydraulically by conveyance consequence of: disintegration, screening and calibration device, preliminary enrichment module, grading module and centrifugal concentrator. Grader is installed between disintegration device and preliminary enrichment module. Preliminary enrichment module consists of two non-related sluices. Undersize product outlet is connected by a pipe to the first sluice, and top size product outlet is connected to the second sluice. Reducer and grader are installed consequently between the first sluice and centrifugal concentrator. The first sluice is connected by tailings outlet pipe to reducer, which is connected to the grader by discharge pipe, and grader discharge is connected to the centrifugal concentrator by a pipe.

EFFECT: higher efficiency of gold extraction at gravel deposits.

1 dwg, 1 tbl