SU1303191A1 - Apparatus for countercurrent gravitational dressing of mineral resources - Google Patents

Abstract

The invention relates to the field of mineral processing and improves the quality of separation products in density, twice and higher than the density of separation media (PC), by improving the hydrodynamic conditions of separation. For this, the device contains a closed inclined channel (K) 1 of rectangular cross section, installed at an angle from 30 to 35 to the horizontal, and the bottom 4. It is connected to the supports of the S S Ich oi and I y j erialial j 1IGG) A (L V Concen / brother with about with

Description

cut the elastic element 10 in the lower part and through the hinge 6 in the upper part. In addition, in K 1, the plate 2 with transverse partitions is mounted for movement. At the bottom of the bottom 4, a driver 7 oscillations and a curvilinear partition wall 13 are installed. It is located behind pipe (P) 9 for discharging waste perpendicular to the bottom 4 and the movement of waste. In the upper part of the bottom 4, P 8 is installed for unloading the concentrate. A feed funnel 3 and a PC feeding feed P 12 are installed on K 1. The bottom 4 is connected with K 1 elastic elements 5. Enriched with mat1

The invention relates to the enrichment of minerals and can be used to separate mineral raw materials by density, twice and higher than the density of the separation medium, for example, to enrich anthracite and shale in an aqueous medium by a density of 2000-2400 kg / m.

The aim of the invention is to improve the quality of separation products in density, twice and higher than the density of the separation medium, due to the improvement of hydrodynamic conditions.

The drawing shows the device section.

The device consists of a closed inclined channel 1 of rectangular cross section, statically installed at an angle of 30-35 ° to the horizon, plates 2 that are mounted for movement with transverse partitions, and a feed funnel 3 for feeding the source material. The static channel 1 is connected via the elastic cuff 5 to the bottom of the channel 4, which is equipped with a hinge 6 in the upper part, and a vibration drive 7 at the lower oscillator, which informs the oscillating bottom with a variable amplitude, linearly increasing from top to bottom from 0 to the required parameter equal to , for example, it is fed through the funnel 3 into the working zone K 1. Through I 12, a PC is introduced, picking up the lightweight components of the material and bringing them to the P 8. The yellow components are lowered onto the bottom 4 and under the influence of gravity and vibrations 4 slide toward P 9. The variable amplitude of oscillation of the bottom 4, increasing from top to bottom, contributes to the optimum loosening of the light fractions in the upper part of K 1 and the heavy components in the lower part of K 1. Using the partition 13, the light fractions return to the working zone K 1 and picked up by PC. 1 hp f-ly, 1 ill.

measures in the case of coal and shale 5-10 mm. For the release of separation products the bottom has two nozzles: the top 8 - for the release of concentrate

and bottom 9 for unloading waste of heavy components. The pipe 9 through the elastic cuff 10 communicates with the device 11 to remove waste and often waste dewatering (for example, a rotary unloader, a dewatering elevator).

The delivery of the separation medium is carried out through the nozzle 12. In addition, the feed area of the separation

environment delimited from the work area

channel guide curvilinear partition 13 installed behind the pipe for unloading waste, perpendicular to the bottom towards the movement

waste, which can be made solid or perforated.

The position of the movable plates 2 with transverse partitions is fixed in the working zones of the channel with the help of adjusting screw mechanisms 14 located on the upper cover of the channel. The non-working space above the plates 2 is sealed with elastic seals 15, covering the outline of the plates in the shape of the letter P, leaving the lower part free to exit the accumulated sludge.

The device works as follows.

The movable plates 2 with transverse partitions are set in position with the help of adjusting mechanisms 14, which in channel 1 is necessary for efficient material separation, the speed of movement of the separation medium. Vibration gear drive 7 communicates the bottom of the channel 4 oscillations with a given frequency. Due to the hinge 6 in the upper part of the bottom, the amplitude of its oscillations varies linearly, increasing from top to bottom about 0 to the required parameter.

The enrichment material is fed through the loading tube 3 into the working zone of the channel, and the separation medium is introduced through the nozzle 12. The turbulent vortices form behind the partitions of the plates 2, the separation medium picks up the lightweight components of the material and brings them to the top of the channel to the discharge nozzle 8. The heavy components together with part of the light particles trapped by them sink to the bottom and form a layer of material that under the force of gravity and vibrations of the bottom 4 moves towards the flow of the separation medium and creeps down to the outlet 9. At the same time, the vibrations created by the vibrodrive 7, with a given frequency and variable amplitude, increase linearly from top to bottom from j 1 a curved septum, set from 0 to 5-10 mm, contributes optimally to the discharge pipe.

waste is perpendicular to the bottom and movement of the waste, with the bottom loosening of both the light fractions that form the bed base in the upper part of the channel and the flow of heavy components, facilitating the release of smaller particles from it and moving them into the material flow moving along with the separation medium to the point of discharge and at the top of the channel.

Due to the elastic cuffs 5 and 10, the bottom oscillations are not transmitted to the channel through the elastic elements, and to the bottom supports are connected through the elastic element in the lower part and through the hinge in the upper part.

2. The device according to claim 1, that is, in order to reduce the flow of the separation medium, the channel is set at an angle of 30-35 to the horizontal.

Editor N. Gorvat

Compiled by E. Kiseleva

Tehred I.Popovich Proofreader T. Kolb

1242/8

Circulation 512 Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, st. Project, 4

3191

four

eleven

to remove

nal and heavy fractions.

With a strong increase in the load on the apparatus, due to heavy fractions at the place of waste unloading, the additional components are absorbed by the sliding bed, curved partition 13. By means of this partition, the light fractions return to the working zone of the channel and pick up separation medium.

The invention

1. A device for countercurrent gravitational enrichment of minerals, including a closed inclined rectangular section channel mounted on supports and a bottom mounted in with the possibility of moving a plate with transverse partitions, a feed funnel, nozzles for discharging concentrate, waste, and supplying a separation medium characterized by that, in order to improve the quality of separation products in density, twice as much as the density of the separation medium, due to improved hydrodynamic conditions separation, it is equipped with a vibration exciter connected to the lower part of the bottom of the inclined channel, and

It is connected with the channel through the elastic elements, and with the bottom supports it is connected through the elastic element in the lower part and through the hinge in the upper part.

2. The device according to claim 1, that is, in order to reduce the flow of the separation medium, the channel is set at an angle of 30-35 to the horizontal.

Claims (2)

F o mule invention 1, A device for countercurrent gravity enrichment of minerals, including a closed inclined rectangular channel mounted on supports and a bottom, installed in the katsal with the ability to move the plate with transverse partitions, a loading funnel, nozzles for unloading concentrate, waste, and supplying a separation medium, characterized in that, in order to improve the quality of separation products in density, twice or more than the density of the separation medium, by improving the hydrodynamic conditional separation, it is equipped with a vibration exciter connected to the lower part of the bottom of the inclined channel and a curved guide wall installed behind the waste discharge pipe perpendicular to the bottom and the movement of the waste, while the bottom is connected to the channel through elastic elements, and connected to the bottom supports through elastic element at the bottom and through the hinge at the top. 2. The device according to claim 1, wherein the, in order to reduce the flow of the separation medium, the channel is installed at an angle to the horizontal.