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Flotation Machine

Flotation Machine

Applied Materials: Non-ferrous metal ore such as gold, copper, lead, zinc, etc., black metal ore like manganese, chrome, non-metallic ore like talc, feldspar, zeolite, etc.
  • Power:1.1-37KW
  • Capacity:0.2–20m³/min

The Introduction of Flotation Machine

A flotation machine, also known as a flotation cell, is used in various industries to carry out the flotation process. It is employed for rough, fine, and reverse flotation operations of minerals like copper ore, lead ore, zinc ore, nickel, and molybdenum, among others.

There are two primary types of flotation machines: mechanical agitation and froth agitation.

Mechanical Agitation Flotation Machine: This type of flotation machine utilizes a mechanical agitator to mix air and slurry, creating turbulent conditions. The turbulent environment aids in the attachment of air bubbles to mineral particles, which then rise to the surface of the flotation cell, carrying valuable minerals with them.

Froth Agitation Flotation Machine: In this type, the impeller is located at the top of the flotation cell and is responsible for generating and dispersing air bubbles into the slurry. The machine produces numerous fine bubbles that stabilize the froth layer, enabling the attachment of valuable minerals to the bubbles and their subsequent flotation to the surface.

Both types of flotation machines are widely used in the mining industry and have proven to be effective in separating valuable minerals from gangue materials during the flotation process.

The Application Fields of Flotation Machine

A flotation machine has a wide range of applications and can be used to separate various minerals. Apart from commonly processed minerals like copper ore, lead-zinc ore, molybdenum ore, graphite ore, fluorite ore, phosphate, gold, silver, iron, rare earth ore, and talc, it can also be used for the separation and recovery of other fine minerals.

The mining industry extensively uses flotation machines to separate valuable minerals from gangue materials. These machines can effectively separate and recover minerals with different compositions and properties, including ferrous metals, precious metals, nonferrous metals, non-metallic minerals, rare metals, and non-metals.

The selective separation of minerals in a flotation machine is based on differences in their surface properties, such as hydrophobicity. By utilizing air bubbles and specific reagents, the flotation process selectively attaches the desired minerals to the bubbles, allowing them to rise to the surface for collection, while the gangue materials sink to the bottom or are discarded.

In summary, a flotation machine is a crucial and widely used equipment in the mineral processing industry for separating and recovering various valuable minerals from ore.

Applications of Flotation Machine

The Features of Flotation Cell

The flotation cell, or flotation machine, has several key features that make it highly efficient and suitable for a wide range of applications in mineral separation:

High Separation Efficiency: The flotation cell utilizes the principle of selective attachment of air bubbles to specific minerals, allowing for efficient separation of valuable minerals from the gangue materials.

Large Inspiratory Capacity: The flotation cell has a stable and large inspiratory capacity, which facilitates good circulation of the pulp and enhances the flotation process. This, in turn, leads to low power consumption and reduces the need for excessive use of flotation reagents.

Simple Structure and Easy Adjustment: The flotation cell has a straightforward structure, making it easy to operate and maintain. It can be easily adjusted to meet different process requirements, such as changing the froth depth or adjusting the impeller speed.

Advanced Control System: Many modern flotation cells are equipped with advanced control systems that enable automation control. These systems monitor and adjust various factors, such as air flow, pulp level, and reagent addition, ensuring optimal performance and maximizing the efficiency of the flotation process.

Foam Pump Elimination: The horizontal configuration of the flotation cell eliminates the need for a foam pump. This not only simplifies the flotation circuit but also reduces operational complexity and maintenance requirements.

Versatile Applications: The flotation cell finds application in various industries, including but not limited to copper separation, gold separation, limonite ore dressing, and lead-zinc ore washing. Its versatility allows for the separation of a wide range of minerals.

Overall, the flotation cell is a highly efficient and adaptable machine that offers high separation efficiency, low power consumption, ease of operation and adjustment, and versatile applications in mineral separation processes.

Flotation Machine Structure

The Structure of Flotation Machine

The Working Principle of Flotation Machine

Motor and Triangular Belt: The flotation machine is powered by a motor through a triangular belt. The motor drives the impeller to rotate, creating centrifugal force.

Generation of Negative Pressure: As the impeller rotates, it generates centrifugal force, which creates a negative pressure zone. This negative pressure zone draws in air through the suction pipe.

Introduction of Air and Pulp: The inhaled air mixes with the pulp in the flotation machine, forming a mixture of air bubbles and mineral-laden pulp.

Mixing of Pulp and Medication: The impeller also serves to mix and agitate the pulp and flotation reagents, ensuring proper contact between the minerals and the reagents.

Formation of Mineralized Foam: The agitation and mixing of the pulp and air bubbles result in the formation of mineralized foam. The minerals of interest selectively attach themselves to the air bubbles in the foam, while the gangue minerals remain in the pulp.

Ascending of Foam: The mineralized foam, consisting of the desired minerals, rises to the surface of the pulp due to its buoyancy.

Control of Liquid Level: The flotation machine is equipped with an adjustable gate height that controls the liquid level within the machine. By adjusting this gate height, the operator can control the depth of the pulp and foam layer.

Removal of Foam: The useful foam, containing the valuable minerals, is scraped off by the rotating scraping plate or paddle. This process separates the foam from the remaining pulp, which is discarded.

Collection of Valuable Minerals: The scraped foam is collected in a trough or launder and further processed for the extraction of valuable minerals.

By utilizing the principle of selective attachment, the flotation machine separates valuable minerals from gangue materials, allowing for the concentration and extraction of desired minerals.

Flotation Machine Working Principle.gif

The Working Principle of Flotation Machine

The flotation machine has several important characteristics and components:

Slurry Tank: The flotation machine contains a slurry tank where the pulp, consisting of ore particles and water, is prepared and agitated.

Agitator: The agitator inside the slurry tank is responsible for creating turbulence and mixing the pulp. This promotes the suspension of coarse minerals and improves the contact between the minerals and the flotation reagents.

Aeration Device: The flotation machine includes an aeration device, often in the form of a rotor or impeller. The aeration device generates and disperses air bubbles into the pulp, providing the necessary air for mineral flotation.

Discharge Mineralization Bubble Device: The discharge mineralization bubble device is used to control the flow and discharge of the mineralized foam, which contains the desired minerals. It helps separate the foam from the remaining pulp.

Electric Motor: The flotation machine is powered by an electric motor, which drives the impeller or rotor to rotate. The motor provides the necessary energy for agitating the pulp and generating the required centrifugal force.

Impeller Design: The impeller of the flotation machine is designed to have a low peripheral speed and a long lifespan for its cover. This ensures effective agitation of the pulp and minimizes wear on the impeller.

Double-Cycle Process: The flotation machine utilizes a fixed, upper, and lower double-cycle process. This promotes the suspension of coarse minerals and improves the flotation efficiency.

Mechanical Agitation: The flotation machine employs mechanical agitation, which facilitates the mixing of pulp, air, and flotation reagents. It ensures ease of operation, convenient adjustment, and extended durability of the wearing parts.

Standalone Operation: The flotation machine is a standalone unit that operates independently without the need for additional equipment. Its design is highly configured, combining suction and flotation capabilities.

Overall, the flotation machine is designed with key characteristics such as efficient pulp agitation, effective aeration, discharge control, and reliable operation. These features contribute to its effectiveness in mineral flotation processes.

Here are some guidelines for operating the flotation machine:

Inspection and Tightening: Before starting the flotation machine, inspect all parts and tighten any loose bolts or connections to ensure proper operation.

Manual Impeller Rotation: Before shutting down the machine, manually rotate the impeller to prevent sediment buildup and reduce the load on the motor.

Gate Height Adjustment: Pay attention to adjusting the gate height carefully. This helps maintain a stable liquid level inside the machine.

Prompt Foam Scraping: Scrape the mineralized foam from the surface of the slurry into the flow channel in a timely manner to separate the valuable minerals.

Impeller-Stator Distance: Maintain a certain distance between the impeller and the stator. If the impeller or stator becomes worn, consider replacing them to ensure optimal performance.

Bearing Servicing: Service the bearings in the pump every three months to maintain their functionality and prevent any potential issues.

These guidelines help ensure the proper functioning and longevity of the flotation machine during operation. It’s important to follow the manufacturer’s instructions and consult any provided manuals for detailed instructions specific to the flotation machine model being used.

Flotation machine consumables: impeller, stator

Flotation Machine Manufacturer

Zoneding Machine is a reputable manufacturer that offers a diverse selection of flotation machines. Our product range includes froth flotation machines and copper ore flotation machines. These machines are designed with advanced structures to ensure reliable performance and efficient operation. We take pride in offering competitive prices without compromising on quality. If you are interested in learning more about our flotation machines, we encourage you to contact us for additional information and details.

General Specification

Main shaft     loam boardDimensions
XJK type
SF type
JJF type
Note: Data may change for the improving technology

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