FIELD: mining.
SUBSTANCE: invention is related to mining and may be used for production of gold and other virgin metals from gravel deposits by washing method. Device for extraction of gold consists of elevator block fixed on stands at an angle with perforated part, beneath which there is a distributing block with slots, rigidly connected at an angle by its one end to perforated part, and by its other end - to device stand and cassette unit installed under distributing block, and this unit comprises upper and lower row of cassettes that are hingedly joined to each other with the help of upper cassette row stretching mechanism, plank that is fixed to distributing block and hingedly connected to upper end of upper row of cassettes, mechanism of low cassette row stretching, which is hingedly joined to lower edge of lower cassette row and return block. In perforated part of block there are tubes arranged across with holes along block width, which are inverted to perforated part of block. At the outlet of block tubes create a pipe, which connects to pump.
EFFECT: increased efficiency and effectiveness of gold extraction.
2 dwg
