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professional short head type mineral flotation cell

professional short head type mineral flotation cell

Different Types of Flotation Cells

With economic metallurgy as its objective, flotation machines have changed over the years as the demands on the process have changed.

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One of the significant changes made to reduce operating costs has been the extensive use of pressure molded rubber parts to withstand abrasion and thus reduce maintenance. Design of flotation cells has been improved and simplified to handle increased tonnage. One such development was the free flow tank design. Another change has been the use of flotation mechanisms which can be removed from the flotation machine quickly for the inspection or change of wearing parts. A simple change in the method of pre mixing air with pulp as it enters the throat of the flotation impeller has made it possible to reduce power cost as much as 50%. Development of larger flotation cells means fewer flotation cells are needed to do the job. This simplifies maintenance and reduces construction costs.

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To meet the varying conditions and requirements, two basic types of flotation machines have been developed: Cell to cell Flotation Machine Free flow Flotation Machine

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The cell to cell flotation machine meets the needs for both mineral recovery and cleaning and recleaning of flotation concentrates. It incorporates simplicity and flexibility of adjustment that permits the flotation operator to use his skill in securing the exact flotation conditions required by his specific ore for economic metallurgy. The cell to cell flotation machine is typified by a flotation mechanism suspended in an individual cell separated from the adjoining cells by an adjustable . A feed pipe conducts the flow of pulp from the of the preceding cell to the mechanism. Cell to cell Flotation Mechanism showing how feed pipe conducts pulp to throat of the rotating impeller. Each cell has its own mechanism, adjustable overflow s and feed pipe. Molded rubber wearing parts are used. Free Flow Flotation Mechanism showing how the pulp flows through the machine without interruption of s. Feed pipes are not used. Pulp enters the throat of the rotating impeller by flo...

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The need for a flotation machine to handle larger tonnages in bulk flotation circuits led to the development of the Free Flow type flotation machine. These units are characterized by the absence of intermediate partitions or s between cells. Individual cell feed pipes have been eliminated. Pulp is free to flow through the machine without interference. Flotation efficiency is high, operation is simple and the need for operator attention is minimized. Most high tonnage mills today use the free flow type of flotation machine. Many are equipped with automatic devices for control of pulp density, pulp level, and other variable factors.

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Just as modern flotation machines have evolved from the past they will change to meet future needs of the industry. Larger, more efficient flotation cells, automatic control of grinding circuits, flow meters, continuous on stream sampling, direct reading density, pH, and pulp level devices, new reagents as well as instantaneous X ray analysis will make possible almost completely automated flotation circuits and new achievements in economic metallurgy.

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