Flotation machine with mixing and aeration impeller and

The slurry is fed into a flotation machine comprised of one or more flotation cells. In the flotation cells, means are typically employed to both aerate and physically mix the slurry. Aeration and mixing are desired to simultaneously produce bubbles in the slurry and to bring ore particles in contact with the bubbles

Flotation machine with mixing and aeration impeller and method US4231860A (en) * 1977-09-21: 1980-11-04: Kuznetsov Vyacheslav D: Flotation machine US4240990A (en) * 1979-04-10: 1980-12-23: Aeration Industries, Inc. Aeration propeller and apparatus US4280911A (en) * 1978-08-17: 1981-07-28: Aeration Industries

Jun 07, 2016 The continuous mixing and remixing of air and pulp, when brought about only by the mechanical action within the flotation machine, is definitely a step toward highest efficiency. Only actual impeller contact in conjunction with positive aeration can prevent classification or zoning with subsequent short circuiting

Most flotation machines have a single or multiple unit construction wherein a rotor having relatively short blades is rotated within a tank to pump and circulate pulp within the tank and include an air supply means in the form of a hollow tube associated with the impeller and a surrounding fixed stator

Pneumo-mechanical flotation machine (air is supplied from blower, dispersing and mixing of the pulp is carried out with the impeller). Pneumatic flotation machine machine foam separation column flotation machine. Aerolift flotation machine (mixing and aeration of the pulp by feeding compressed air through aerators of various designs). Vacuum

Industrial flotation machines can be divided into four classes: (1) mechanical, (2) pneumatic, (3) froth separation, and (4) column. The mechanical machine is clearly the most common type of flotation machine in industrial use today, followed by the rapid growth of the column machine. Mechanical machines consist of a mechanically driven impeller, which disperses air into the

Mar 01, 1977 Miner. Process., 4: 51--67. The aeration characteristics of several laboratory flotation machine impellers have been studied paying special attention to the pressure generated by impeller rotation. Correlations have been established between pressure (or Euler) number and Reynolds number, pressure ratio and air flow number, and these correlations

The Flotation Machine uses power to keep solids in suspension by vertical recirculation of pulp through the impeller. Power is thus used more efficiently than where agitation is caused by mere mechanical rotation. Large volume Metso Minerals DR Flotation Machines have been field proven. These machines have undergone full-scale plant tests and the results of these tests

Apr 20, 2016 Impellers for the “Sub-A” Flotation Machine are built in two types with corresponding wearing plates: Receded Disk Impellers and Diffuser Wearing Plates. Conical Disk Impellers and Wearing Plates. The receded disk impellers and diffuser wearing plates have been proved in commercial installations for many years and are one of the important

aeration rate is limited by impeller design). ... In both cell and tank types, mixing or air and . ... Bench Scale Lab Flotation Machine

Accordingly, a principal object of the present invention is to provide an aeration impeller for flotation machines which will contribute materially to eflicient operation and the achievement of high recoveries, particularly by coupling effective pulp

Aeration rate and pulp mixing and circula-tion rates are inter-related. Machines, which are designed to use an external source of air, such as the DR flota- ... the impeller. DR flotation machines 2 DR Flotation. Immediately surrounding this air pipe is the pulp recirculation well which also leads to

Mar 01, 1977 The aeration characteristics of several laboratory flotation machine impellers have been studied paying special attention to the pressure generated by impeller rotation. Correlations have been established between pressure (or Euler) number and Reynolds number, pressure ratio and air flow number, and these correlations have been compared with

Sep 27 2019 The aeration and agitation of the slurry are completed by the impeller and mechanical agitation device of the flotation machine It belongs to the external gas selfpriming flotation machine generally the upper gas suction type that is air inhaled near the mechanical stirring device in the lower part of the flotation tank

Intense agitation and aeration occur in the mixing zone at the bottom of the cell. This mixing or vertical recirculation zone provides highly effective retention volume. It is within this portion of the flotation cell that intimate contact of the conditioned pulp and controlled air is made

aeration rate is limited by impeller design). ... In both cell and tank types, mixing or air and . ... Bench Scale Lab Flotation Machine

Sep 20, 2021 Presently, there are various types of impellers of aeration units of pneumomechanical flotation machines of type “RIF”. Each has its advantages and disadvantages. Works [2‒7, 10‒15], which consider tendencies of modernization of technological equipment including impellers of aeration units of flotation machines, have been analyzed

Floatation Machines. STAR TRACE designs and manufactures all sizes of flotation cells. Multiple impeller/diffuser configuration can be used to either enhance or restrain mixing depending upon the nature of the ore being treated. The robust design allows the structure to be self-supporting and thus fewer supporting beams are requires for

Flotation machine is the also called flotation concentrator, which refers to the mechanical equipment that completes the flotation process. In the flotation machine, the ore pulp treated by adding reagents is stirred and aerated to selectively fix some of the ore particles on the bubbles. It floats to the surface of the ore pulp and is scraped

Sep 13, 2021 Aeration of the slurry in the flotation machine. 1. Generation of air bubbles ... Figure 2 shows the distribution of the zones of action within a mechanically agitated flotation machine. In the mixing zone, bubble groups and mineral grains carry out a large number of collisions, and some follow the impeller agitation for turbulent motion, whose

Flotation machine consumables: impeller, stator. Flotation Machine Manufacturer. Fote Machinery has various types of flotation machine for sale, in addition to froth flotation machine, we also have copper ore flotation machine. The flotation machine produced by FTM company has advanced structure, reliable performance and favorable price

An impeller for a flotation machine having an upper circular plate with a central hole for supplying air through a hollow shaft to the underside, and a lower circular plate having a larger central hole and sloping toward the first plate to the outside, together with a series of radial, upright vanes between the plates which are thicker at their outer edges than at their inner