SU806129A1 - Column-type flotation machine - Google Patents

Description

one

The invention relates to the enrichment of plants: fossils, namely, structures of column flotation machines, and can be used in the mining, chemical, and mining and chemical industries.

. The known design of a pneumatic type flotation column machine consisting of a chamber, a loading device, devices for loading process enrichment plants and a dispersant aerators 1.

A disadvantage of the known design of the machine is the uneven distribution of the two-sprayed air over the cross section of the chamber height, unreliability in operation, low efficiency of using the dispersive surface of the peeler.

The closest in technical terms to the present offer is a flotation column machine, which includes a chamber, in the upper part of which is located a slinging device and device for unloading concentrate, and in the lower part is a device for unloading tailings and a lateral device in a vice-collector with perforated dispersant. Rami 2.n „

The disadvantages of the proposed design are the poor distribution of dispersed air, but the volume of the cell of the photomachine and significant

on the coalition of air bubbles, which reduces the efficiency of the flotation process. The purpose of the invention is to increase the efficiency of the phpation process by improving the distribution of the dispersed

air throughout the chamber and prevent coalescence of the bubbles.

The goal is achieved by the fact that, in a collapsing flotation machine, including a chamber, in the upper part of the cathode

there are pulping devices and a device for unloading concentrate, and at the bottom - a device for unloading tails and an air supply device in the form of a collector with perforated aisperpators, the collector is made in a vice spiral coil with a decrease in the diameter of the helix from the ends to the center.

The drawing schematically shows the proposed device.

The column of the flotation machine includes a chamber 1, in the upper part of which there are located a pulverizing device 2 and a device 3 for unloading the concentrate, and in the lower part there is a device 4 for the unloading of quosts and a collector 5 with dispersant 6 in the form of a perforated elastic tube wrapping around the collector 5 and connected to the collector 5 fitting 7.

The collector 5 is made in the form of a sy..Jal coil with a decrease in the diameter of the spiral from the ends to the center.

The machine works as follows.

The pulp is loaded into the chamber 1 through the pulp feeder 2. Air is fed into the hollow pipe (collector) 5, from which through the nozzle 7 enters the dispersers of the vice bubbles rises up towards the flow of the pulp.

Floating mineral particles are fixed on the air bubbles and form foam in the upper part of the chamber, which is discharged through the discharge device 3, flotation tails are unloaded in the lower part of the chamber through the discharge device 4.

Making the collector in the form of a spiral coil, equipped with dispersants, with a decrease in the diameter of the spiral from the collector ends to the center with dispersants made of perforated elastic hose, ensures uniform distribution of dispersed air. The device has no moving parts, is easily replaced, and in the chamber. multiple collectors can be installed, which allows to increase the dispersion surface. The device provides the possibility of separate injection into the hollow collector, which prevents bubbles from coalescing.

The implementation of the air supply device of the proposed construction does not preclude the use of an agitator, the shaft of which may be located in the center of the air supply device.

The proposed flotation machine is easy to operate, reliable in operation, and provides increased recovery of precious and other non-ferrous metals while reducing energy costs per 1 m of pulp by 20%.

20 invention formulas

The column flotation machine, which includes a chamber, in the upper part of which there is a pulp-feeding device and a device for concentrate discharge, and in the lower part is a device for tailing discharge and an air-supply device in a vice collector with perforated dispersants, t By the fact that, in order to increase the efficiency of the flotation process by improving the distribution of dispersed air throughout the chamber and preventing the coalescence of the bubbles, the collector is designed as a spiral serpent Evika with a decrease in the diameter of the spiral from the ends to the center.

Sources of information taken into account in the examination

1. USSR author's certificate number 297396, cl. At 03 D 1/24, 06/20/68.

2. The author's certificate of the USSR N 545385, cl. At 03 D 1/24, 04 .06.75 (prototype). Contrait1 Shtsta dozdul. Air

Claims (1)

20 Formulas of the invention A column flotation machine, including a chamber, in the upper part of which there is a pulp feeding device and a device for unloading concentrate, and in the lower part there is a device for unloading tails and a suction device in the form of a collector with perforated dispersants, 30 and a I mean that, in order to increase the efficiency of the flotation process by improving the distribution of dispersed air throughout the chamber and preventing coalescence of 35—45 vials, the collector is made in the form of a spiral coil evika with decreasing diameter of the helix from the ends to the center.