RU94042799A - Bragin's jigging and classifying machine - Google Patents

Abstract

FIELD: mineral resources benefication, loose gold deposits gold-bearing sands separation by size and density for classes in particular. SUBSTANCE: machine allows to decrease cost and to increase effectiveness of benefication due to simplification of machine and combining of processes of simultaneous separation of initial material by fractions and density with dewatering of over screen material. Machine has body, mounted in body and filled with liquid tank with discharge hole, inside which there is hanging case with screen and vibrations exciter. After filling tank with water and switching electrical engine on initial material is fed to screen. As a result of screen vibration in water and outside it material after suspension is disintegrated, separated by density and classified by size. In the process stuck to loose material gold is washed away and gold large size fraction is settling on screen. Small particles of gold and barren rock are screened and settled in tank. Material benefication on screen continuously classifying is moving forward in direction of unloading. After coming out of water rock material is dewatered and unloaded. Screen beside its known function - separation of initial material by classes of size - fulfill functions of material separation by density and dewatering of over screen material, that causes combination of processes of initial material simultaneous separation by fractions and density with dewatering of over screen material, providing decrease of cost and increase of benefication effectiveness due to conveniences of operation and expansion of its usage field. EFFECT: decreased cost, increased effectiveness of benefication. 1 dwg

Claims (1)

The invention relates to the field of mineral processing, and in particular to the separation of gold-bearing sands of placer deposits into classes by size and density. The invention allows to reduce the cost and increase the efficiency of enrichment by simplifying the machine and combining the processes of simultaneous separation of the source material into fractions and density with dewatering of the oversize material. The machine consists of a casing installed in the casing and filled with a bath fluid with a drain hole, inside of which a movable box with a sieve is suspended, and an oscillation pathogen. After filling the bath with water and turning on the electric motor, the source material is fed to the sieve. As a result of vibration of the sieve in and out of water, its material is weighed and disintegrated, separated by density and classified by size. At the same time, gold adhering to it is washed off from the bulk material, and large gold settles on the sieve. Small particles of gold and gangue are sieved and deposited in the bath. The material enriched on the sieve is classified continuously moving forward, in the direction of unloading. Upon exiting the water, the rock material is dehydrated and unloaded. The sieve, in addition to the well-known function — dividing the starting material into size classes — performs the functions of dividing the starting material by density and dewatering of the oversize material, which makes it possible to combine the processes of simultaneous separation of the starting material into fractions and density with dewatering of the oversize material, which ensures a reduction in cost and an increase in the enrichment efficiency, for due to ease of use and expansion of its scope.