Selecting an ore flotation machine is a process of comprehensive consideration of multiple factors. Only by comprehensive analysis and comparison based on the specific situation can the most suitable flotation machine model and specifications be selected.
Select an ore flotation machine according to the properties of the ore
1. Floatability: The better the floatability of the useful minerals and the worse the floatability of the gangue minerals, the easier the ore is to be selected. For easy-to-select ores, a flotation machine with a low aeration intensity can be selected, such as a self-aspirated mechanical stirring flotation machine. On the contrary, if the floatability of the useful minerals is not good, a flotation machine with a high aeration intensity should be selected, such as an aerated mechanical stirring flotation machine.
2. Particle size composition: The particle size of the ore particles is also an important basis for selecting a flotation machine. Ores with generally coarse particle sizes are suitable for flotation machines with shallow bottoms and high stirring intensity, such as SF flotation machines, to facilitate the flotation of coarse-grained minerals. Ores with generally fine particle sizes are suitable for flotation machines suitable for fine-grained flotation, such as flotation columns.
3. Grade: When the grade of the ore is low, it is suitable to use a self-aspirated mechanical stirring flotation machine or an aerated mechanical stirring flotation machine, as well as a flotation column with a relatively large enrichment.
pH value: The pH value of the pulp of different ores is different. When selecting a flotation machine, corresponding requirements should be made for the materials of the flotation machine according to the pH value of the specific pulp.
Select an ore flotation machine according to the project scale
Practice and research have shown that the use of larger flotation machines can effectively reduce the flotation cost per ton of ore. Therefore, in large-scale mineral processing plants, larger flotation machines should be preferred. For medium-sized or small mineral processing plants, medium or small flotation machines are generally used, and the specific specifications should be determined based on technical and economic analysis.
Select an ore flotation machine according to the flotation operation
Roughing and scavenging operations: These operations are mainly to improve the recovery rate of useful minerals, so the foam layer should be thinner. Generally, a self-aspirated mechanical stirring flotation machine with a small aeration volume or an aerated mechanical stirring flotation machine with a small aeration volume is used.
Concentration operation: The main purpose of the concentration operation is to improve the grade of useful minerals, so the foam layer should be thicker. Generally, an aerated mechanical stirring flotation machine or a flotation column with a large aeration volume is used.
Equipment performance and specifications
Type selection: There are two types of flotation machines commonly used at present: mechanical stirring and aerated stirring. Mechanical stirring flotation machines are self-absorbed slurry and self-absorbed air, and are suitable for roughing and sweeping operations in large and medium-sized flotation plants; aerated stirring flotation machines cannot self-absorb slurry, but have strong stirring ability, and are suitable for concentrating and roughing operations in large and medium-sized ore dressing plants.
Specifications: The specifications of the flotation machine include effective volume, processing capacity, impeller diameter, impeller speed, stirring motor power, etc. The selection of these parameters should be determined according to production needs, ore properties, and separation operation requirements.
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Baichy Heavy Industry has grown into a high-tech mining equipment comprehensive enterprise, integrating R&D, manufacturing, sales, and after-sales service, Passing ISO9001:2015 quality management system certifications. The main products are mobile jaw crushing plants, construction waste crushing plants, PE jaw crushers, VSI sand-making machines, Symons cone crushers, single-cylinder hydraulic cone crushers, PCX high-fine crushers, grinding mills, ball mills, and full sets of beneficiation equipment with an excellent level.
