co-nele intensive mixer

Recommended Manufacturer for Alumina Powder Mixing and Granulation Equipment

2026.10.30  |  CO-NELE
The granulation of alumina powder is a critical deep-processing step. It transforms fine, poorly flowing alumina micro-powders into spherical or near-spherical granules with specific dimensions, shapes, mechanical strength, and flow characteristics.
CO-NELE Inclined Intensive Mixing Granulator:
Efficient Mixing and High Uniformity: Featuring an inclined design and specialized mixing structures (utilizing counter-current or co-current principles), this equipment generates intense shear forces and turbulence. This ensures a high degree of homogeneity—both macroscopically and microscopically—among the alumina raw materials and additives, which is essential for the stability and consistency of the final product.
Granulation Capability: Beyond mixing, intensive mixer performs the granulation process. By adjusting process parameters—such as mixing speed and spray system settings—operators can precisely control the size and density of the granules.
Energy Efficiency and Environmental Protection: Modern designs prioritize energy conservation, with optimized power systems that reduce energy consumption. The enclosed structure effectively prevents alumina dust from escaping, thereby minimizing material waste and environmental pollution.
Intelligent Control: CO-NELE offers equipment equipped with PLC-based automated control systems. These allow for parameter pre-setting, real-time process monitoring, and automatic adjustments, which enhance production efficiency and ensure consistent product quality.

Adaptability and Flexibility: High-quality equipment should be capable of handling alumina raw materials with varying origins, particle sizes, and moisture content, while allowing for parameter adjustments to produce granules that meet specific technical requirements.

Recommended Manufacturer for Alumina Powder Mixing and Granulation Equipment

Recommended Manufacturer for Alumina Powder Mixing and Granulation Equipment

Why Granulate Alumina Powder?
Raw, ultra-fine alumina powder presents several drawbacks that severely limit its industrial application:
Poor Flowability: It cannot be reliably transported or dispensed through automated, continuous processes.
Dust Generation: It creates hazardous working conditions, leads to material loss, poses safety risks (such as dust explosions), and endangers the health of workers.

Low Bulk Density: The powder is loose and voluminous, resulting in inefficient loading during subsequent processing (e.g., sintering) and an increased tendency for the final product to contain pores. 

Poor compactability: During dry pressing, high inter-particle friction often leads to issues such as non-uniform density within the green compact and the formation of internal laminations (layering).

Granulation effectively resolves these problems, transforming the material into an ideal feedstock for subsequent forming and sintering processes.
Applications of granulated alumina particles
Depending on their specific properties, granulated alumina particles are widely used in:
Advanced ceramics: Production of alumina ceramic substrates, sleeves, crucibles, wear-resistant components, etc. (requiring high purity and uniformity).
Catalyst supports: Used in applications such as automotive exhaust purification and petrochemical processing (requiring high specific surface area, spherical shape, and controlled pore size).
Refractory materials: Production of bricks and castables for high-temperature kilns (requiring high density and high strength).
Polishing abrasives: Used for the precision polishing of components.
Coating materials: Applied via thermal spraying to create wear-resistant and corrosion-resistant coatings on metal surfaces.

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CO-NELE intensive mixers are designed as granulating and pelletizing mixers which produce predictable and reproducible grain sizes.

Just one machine is needed to carry out the two process steps:mixing and granulating/pelletizing.

Technical advantages of CO-NELE mixing granulator

High spheroidization rate, uniform particle size, good particle shape and strong particle density

Rotary mixing drum and granulation tool set are controlled by variable frequency, the speed can be adjusted, the particle size can be controlled by adjusting the speed, and the particle size can be adjusted online

Unloading method Tipping unloading or bottom unloading (hydraulic control), quick and clean unloading, easy to clean

A complete range of models, from small laboratory (5-10L) granulation to large industrial pelletizing, can meet the needs

It has a wide range of applications and can meet the mixing needs of different industries and various materials

Granulator application industry
ceramics
Molding materials, molecular sieves, proppants, varistor materials, dental materials, ceramic tools, abrasive materials, oxide ceramics, grinding balls, ferrites, etc.

building materials
Porous media of bricks, expanded clay, perlite, etc., refractory ceramsite, clay ceramsite, shale ceramsite, ceramsite filter material, ceramsite brick, ceramsite concrete, etc.

Glass
Glass powder, carbon, leaded glass frit, waste glass slag, etc.

metallurgy
Zinc and lead ore, alumina, carborundum, iron ore, etc.

chemical
Slaked lime, dolomite, phosphate fertilizers, peat fertilizers, mineral materials, sugar beet seeds, fertilizers, phosphate fertilizers, carbon black, etc.

Environmental friendly
Cement filter dust, fly ash, sludge, dust, lead oxide, fly ash, slag, dust, etc.

Carbon black, metal powder, zirconia

granulating and pelletizing mixers
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