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flotation machine with mixing and aeration impeller and

Flotation machine with mixing and aeration impeller and

Flotation machine with mixing and aeration impeller and method . United States Patent 4169047 . Abstract: A mixing and aeration impeller is comprised of a hub and a plurality of first flutes interspaced between and joined to a plurality of second flutes. The flutes are adapted to the hub and have troughs which begin proximate the hub and extend

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US2609097A Flotation machine Google Patents

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

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DR Flotation Machine

aeration rate is a function of impeller speed. Aeration rate and pulp mixing and circulation rates are inter-related. Machines, which are designed to use an external source of air, such as the liming Minerals DR Flotation Machine, have a controlled aeration rate so that it can be maximised independently of impeller speed. The mechanism design

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Flotation Machine an overview ScienceDirect Topics

An important requirement of any flotation machine is the ability to provide uniform aeration throughout as large a volume of the machine as is possible. In addition, the size distribution of the air bubbles generated by the machine is also important, but experience has shown that the proper choice of frother type and dosage generally dominates

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Flotation machine and aeration impeller Envirotech

Flotation machine and aeration impeller . United States Patent 4551285 . Abstract: A froth flotation machine (40) having a rotary air-supply shaft (42) vertically disposed in a vessel (41) includes an impeller (50) comprising a series of interconnected blades (52,53). Extending radially and fixedly depending from a flat impeller plate (52) is a

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Aeration characteristics of laboratory flotation machine

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

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Aeration & Mixing Biological Processes Filtration AquaDDM

mixer is designed to provide maximum mixing efficiency. When mixing requirements are the controlling factor, the mixer can reduce power costs, while delivering 3-4 times the mixing of any aerator of the same size. System Features and Advantages • Available in FSS and SS models ranging from 1-75 HP • Suitable for most basin configurations

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US2673724A Impeller for flotation machines Google Patents

IMPELLER FOR FLOTATION MACHINES Filed July 14, 1951 & l 24 F/(;. 2. 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 with

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US5988604A Mixing impellers especially adapted for use

Impellers are provided which enhance the efficiency of surface aeration of a liquid, for example, liquid contained in open aeration tanks, in terms of the mass of oxygen transferred per hour to the liquid per horsepower used in driving the impeller. The impeller is an axial flow impeller and may be either a pitched blade turbine (PBT) or have airfoil shaped blades.

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Industrial Aerators Philadelphia Mixing Solutions

Philadelphia Mixing Solutions’ industrial aerators support a wide range of potential applications, including the following: Low-speed surface aerators are engineered to maintain optimum surface turbulence, oxygen transfer and liquid phase mixing in industrial wastewater and municipal wastewater applications.; Gas foil radial flow impellers provide low-level gas dispersion in wastewater

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Flotation Machine for Mineral & Metallurgy JXSC Machine

Flotation machine (floatation machine, planktonic concentrator) in the mineral processing plant, mainly used for separating copper, zinc, lead, nickel, gold, and other non-ferrous metal. 【Type】XJK series agitation impeller flotation machine (Seldom used, small capacity); SF flotation machine (Larger volume, better flotation effect); Pneumatic flotation machine (aeration and agitation, high

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Types of Flotation Machines JXSC Machine

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 self-priming flotation machine, generally the upper gas suction type, that is, air inhaled near the mechanical stirring device in the lower part of the flotation

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Flotation Machine in Wide Application Fote Machinery(FTM)

The flotation machine is mainly composed of the flotation cell, mixing device, aeration device, mineralized foam discharging device, motor and so on. Flotation cell: It has a slurry inlet and a gate device for adjusting the slurry surface.

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DR Flotation Machine

aeration rate is a function of impeller speed. Aeration rate and pulp mixing and circulation rates are inter-related. Machines, which are designed to use an external source of air, such as the liming Minerals DR Flotation Machine, have a controlled aeration rate so that it can be maximised independently of impeller speed. The mechanism design

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Industrial Plant Flotation Machines in Banks

In the mechanical flotation cells the feed can be introduced directly to the impeller zone from the side as in a Denver-style Sub A sub-aeration machine.. A centrally located paddle-wheel type impeller generates a rotating pulp vortex which extends between two stationary elements: the sand-pipe located at the top of the cell, and the draft tube located at the bottom of the cell.

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(PDF) Flotation Equipment and Processes

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

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Aeration & Mixing Biological Processes Filtration AquaDDM

mixer is designed to provide maximum mixing efficiency. When mixing requirements are the controlling factor, the mixer can reduce power costs, while delivering 3-4 times the mixing of any aerator of the same size. System Features and Advantages • Available in FSS and SS models ranging from 1-75 HP • Suitable for most basin configurations

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EP1620207B1 Flotation device with auxiliary agitator

Further, in document US 6,109,449 a flotation device is shown with a first radial flow impeller and either one or two additional axial flow impellers, wherein said radial flow impeller is designed to discharge gas coming through the drive shaft. While discharging said gas radially, the lower second impellers create a circulation flow which wraps around the discharge from the radial flow impeller.

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US4265739A Flotation machines and components thereof

US4265739A US06/113,294 US11329480A US4265739A US 4265739 A US4265739 A US 4265739A US 11329480 A US11329480 A US 11329480A US 4265739 A US4265739 A US 4265739A Authority US United States Prior art keywords impeller diffuser elongation components hub Prior art date 1979-01-23 Legal status (The legal status is an assumption and is not a legal conclusion.

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US20060249432A1 Auxiliary agitator for a flotation

The invention provides an agitator ( 1 ) is disposed to agitate slurry within a flotation tank ( 2 ). The agitator includes a rotor ( 6 ) mounted on one end of a centrally disposed drive shaft ( 7 ) extending axially downwardly into the tank and driven by a motor ( 8 ) and associated gearbox (not shown). The other end of the drive shaft includes a mounting flange ( 9 ) adapted for connection

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The Denver DR flotation machine Chemical Engineering

Dec 15, 2020· The Denver DR flotation machine, which is an example of a typical froth flotation unit used in the mining industry, is illustrated in Figure 1.47. The pulp is introduced through a feed box and is distributed over the entire width of the first cell. Circulation of the pulp through each cell is such that, as the pulp comes into contact with the impeller, it is subjected to intense agitation and

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「agitation tank with flotation separating new」

Enhanced aeration and agitation are advantageous for flotation separation, but not excessively, as excessive aeration and agitation can have the following disadvantages: (1) Promoted the merger of bubbles (2) Reduced concentrate quality (3) Increased power consumption (4) Increased wear of various parts of the flotation machine

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Flotation Machine,Flotation Cell, Flotation Equipment

Flotation Machine Working Principle. When the impeller rotates, eddy current is generated in the vertical cylinder and the draft tube. The eddy current forms a negative pressure, and the air is sucked from the intake pipe and sucked in the impeller and stator

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FLOTATION MACHINE AND SYSTEM UTILIZING IMPELLER-TYPE

A flotation machine comprising multiple rows of aligned but mutually independent aeration impeller units and respective stators arranged in spaced side-by-side relationship in a straight line substantially normal to the longitudinal across the width of a flotation tank, as well as along the length thereof, for complete independent local pulp circulation, respectively, so there is mutual

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