| 摘要 |
FIELD: mining. ^ SUBSTANCE: invention refers to concentration of minerals, particularly to facilities for gravitation concentration and can be implemented for extraction of useful component out of various grain materials. The vibratory concentrator consists of a case, of a vibratory exciter, and of a concentrating element in form of symmetrically arranged transverse ribs with incline to the side of vertical walls and an incline to a charging side of the concentrator. Variation in their number, height and angle of incline is acceptable. A corrugated coating of the concentrating element is made wear resistant. The case and the concentrating element are designed to vary frequency and amplitude of vibration. The concentration element is made in form of a plate, the transverse ribs on which are made as a whole with the plate; the plate is equipped with lengthwise vertical directed walls. A receiving box is assembled at the charging end of the vibratory concentrator on the plate; the box is screened from the external side with a transverse vertical wall exceeding the height of the transverse ribs. The concentration element is equipped with a large-meshed removable grate made with vertically directed plates; the grate is installed above the transverse ribs and is secured to the lengthwise walls. Variation in height of the plates of the removable grate and in sizes of its meshes is acceptable. ^ EFFECT: increased extraction of heavy mineral grains and also increased efficiency of gravitational concentration of minerals and specific output of process. ^ 3 cl, 3 dwg |
