RU1819688C - Vibratory classifier - Google Patents

Abstract

Use: for dividing material into size fractions in the metallurgical and other industries. SUMMARY OF THE INVENTION: the classifier comprises an inclined deck with transverse gable protrusions on the working surface, a drain threshold at the bottom end of the deck. In the section of the deck, located at a distance from the drain threshold of 0.8-1 L, where L is the length of the deck, water supply openings are made on the surfaces of the protrusions facing the drain threshold. 2 s.p. f-ly, 2 ill.

Description

The invention relates to a device for separating materials into fractions by particle size and can be used in mining, metallurgical, chemical and construction enterprises.

The purpose of the invention is to increase the classification efficiency by reducing the size of large classes.

In FIG. 1 shows a vibration classifier: in Fig.2 - a section of the working body (inclined deck).

The vibration classifier contains a frame 1, support elements 2, a vibrodrive made in the form of a crank mechanism (KShM) 3, a box 4 with a loading platform 5, a drain threshold 6 and an inclined deck 7 with transverse gable protrusions on the working surface. Each protrusion consists of a working surface 8, directed towards the unloading area of large classes, and an auxiliary surface 9, made in the form of a brachistochron and facing the drain threshold 6. In the deck area, located at a distance from

the drain threshold 0.8 ... 1L, where L is the deck length, at the peaks of the protrusions on their surfaces 9 facing the drain threshold 6, holes 10 are provided for supplying water. On the lower side in the same section, the inclined deck 7 is provided with a container 11 connected to the water supply device by a flexible pipe 12 and provided with a drain device 13 in the lower part.

Vibration classifier works as follows.

When the source material is supplied from the loading platform 5 to the inclined deck 7, the vibration exciters (electric motor and CABG) are turned on and water is supplied from the tank 11 through the holes 10 to the inclined deck 7, the material processing begins. Large classes move by vibration towards the upper end of the inclined deck 7, i.e. towards the unloading area of large classes, and from there to the receiver of large classes. Small classes are transported along inclined deck 7 to drain threshold 6 and then to the receiver. Small classes are transported by water, feeding &

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removed from the tank 11 through the holes 10 into the layer of the processed material.

Claims (3)

In the case of particles of the processed material entering through the openings 10 into the container 11, the container 11 is cleaned by draining the water with the particles of the processed material contained in the container 11 through a drain device 13. Formula 1, Vibration classifier, including an inclined deck with transverse gable protrusions on work surface, a vibratory drive associated with the deck, a loading device and devices for unloading large and small fractions, characterized in that, in order to increase efficiency identification due to the reduction of eamelling of large classes, devices for unloading large and small fractions are located respectively at the upper and lower ends of the deck, from the side of the last of which a drain threshold is made, while in the deck section located at a distance from the drain threshold of 0.8-1 , OL. where L is the deck length, at the apex of the protrusions, water supply openings are made on their surfaces facing the drain threshold. 2. The classifier according to claim 1, characterized in that the surfaces of the protrusions are made in the form of a brachistochron. 3. The classifier according to claim 1, with the exception that the vibrodrive is made in the form of a crank mechanism. fe / Yu