SU1297904A1 - Jigging machine - Google Patents

Abstract

. The invention relates to the enrichment of minerals and makes it possible to increase the efficiency of enrichment. The machine includes a housing 1 with an inclined sieve (P) 2 installed in it. Along P 2, sublattice airbags (PVC) 3 are installed, made in the form of cones installed with the possibility of deviation from the vertical axis by an angle of 5-30. Under the action of water pulsations, alternation of compressed air intake and release through openings 5 of the PCK 3 results in separation of the ore entering the P 2 by density. When flowing around the lower edge of the PVC 3 in the form of a cone, most of the water flow is directed to the IK loading, since The bed thickness is less here and the hydraulic resistance is less. When the angle of inclination of the PVC 3 varies, the amount of water supplied varies both along the length of P 2 and along its width, and the pulsations are uniform during the entire jigging cycle. During stratification, the heavy fractions pass along P 2 to the discharge facility and are removed by rotary unloader 4. The light fraction moves over P 2 and is removed by gravity in the form of a drain. 3 il. SL T melak d / stock t1

Description

This invention relates to the beneficiation of minerals.

The purpose of the invention is to increase the efficiency of enrichment.

Fig. 1 shows a jigging bus, section; figure 2 - node I in figure 1; on fig.Z - section aa in figure 2.

The jigging machine consists of body 1, in which there is an inclined sieve 2, sublattice air chambers 3, made in the form of cones, installed with the possibility of deviation from the vertical axis at an angle of 5-30 rotary unloader 4. Air chambers 3 have holes 5, connected through flexible elastic pipes 7 with air ducts 8, for inlet and outlet of air into the air chambers 3. Ball-head bolts 9, nuts 12 with a spherical surface 10, through the rubber gaskets 11 the air chambers are attached to the rods

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When flowing around the lower part of the edge of the chamber 3, a large part of the water flow is directed towards the loading, since the width of the bed layer and the flow resistance are less. When the angle of inclination of the cone changes, the amount of water supplied both in the length of the sieve 2 and in its width. Due to the possibility of deviating from the vertical axis of the conical air chambers, pulsations are uniform throughout the entire jigging cycle. The stabilization of the pulsations increases the extraction of the heavy fraction and, consequently, a higher enrichment efficiency.

The deflection of the air chambers is accomplished by loosening the nuts 12, while the ball head bolt 9 moves down and thereby allows the air chamber to be deflected to any

13, set between the side walls-25 given angle. After rejecting

Kami Corps 1.

the given angle is that the air chamber is fixed in this position with a bolt 9 with nuts 12. A spherical surface 10 with a rubber gasket 11 hermetically closes the opening in the upper part of the cone, and the flexible pipe 7 allows air to be introduced into the air chamber 3 for any of its deflected

one

Otsadochna machine works as follows.

When the machine is running on a sieve 2, give 1; from the original ore, and from the bottom, through the opening 5 of the air chamber 3, compressed air is injected, which displaces water, and last, lifting up, brings the ore to the sieve in a loosened state. During the return stroke and the release of air through the opening 5, particles of material on the sieve move downwards, while in the lower part of the sieve 2 ore particles accumulate with

high density.

Thus, under the action of pulsations, ore is stratified by density. Heavy ore grains are passed through sieve 2 to the loading device and unloader 4 is removed from the machine. Light fraction moving

over the sieve and removed by gravity as a drain.

When flowing around the lower part of the edge of the chamber 3, most of the water flow is directed to the load, since the thickness of the bed layer and the flow resistance are less. When the angle of inclination of the cone changes, the amount of water supplied varies both along the length of the sieve. 2 and along its width. Due to the possibility of deviating from the vertical axis of the conical air chambers, pulsations are uniform throughout the entire jigging cycle. The stabilization of the pulsations contributes to an increase in the recovery of the heavy fraction and, consequently, an increase in the enrichment efficiency.

The deflection of the air chambers is accomplished by loosening the nuts 12, while the ball head bolt 9 moves down and thereby allows the air chamber to be deflected to any

given angle. After rejecting

the preset angle of the air chamber is fixed in this position by a bolt 9 and nuts 12. Spherical surface 10 with a rubber gasket 11 hermetically closes the opening in the upper part of the cone, and the flexible pipe 7 allows air to be introduced into the air chamber 3 with any deviation of it.

Claims (1)

Invention Formula A jigging machine, including a housing with an inclined sieve installed in it, a rotary unloader, sublattice airbags installed along the sieve, characterized in that, in order to see the enrichment efficiency, the sublattice airbags are made in the form of cones installed with the possibility of deviation from the vertical axis at an angle of 5-30. -N / 1 ll Editor A. Petrov Compiled by M. Zatsepin Tehred A. Kravchuk Proofreader M. Samborska Order 843/9 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