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Mullite Crucible Production Line - Refractory Granulation Mixer

2024.12.23  |  CO-NELE

A mullite crucible production line typically involves several stages, including raw material preparation, mixing, granulation, forming, drying, firing, and finishing.  The refractory granulation mixer plays a crucial role in ensuring the homogeneity and consistency of the granulated material before it is formed into crucibles.

Mullite Crucible Production Line

Here's a detailed overview of the production process:
1.  Raw Material Preparation
- Selection: Choose high-quality mullite and other refractory materials.
- Crushing and Grinding: Reduce the raw materials to the desired particle size.
2. Mixing and granulation
- Batching: Measure and batch the raw materials according to the specified formulation.
- Mixing and granulation: The granulation mixer is used to agglomerate the fine powder into granules.  This step is critical for improving the flowability and moldability of the material.
3.  Forming
- Pressing: Use hydraulic or mechanical presses to shape the granulated material into crucibles.
- Molding: Alternatively, use injection molding or slip casting techniques for complex shapes.
4.  Drying
- Drying Ovens: Remove moisture from the formed crucibles to prepare them for firing.
5.  Firing
- Kilns: Fire the crucibles at high temperatures (up to 1770°C) to achieve the desired refractory properties.
- Sintering: The high temperature causes the particles to bond together, increasing the strength and durability of the crucible.
6.  Finishing
- Grinding and Polishing: Smooth out any rough edges or surfaces.
- Quality Inspection: Check for defects and ensure the crucibles meet the required specifications.
Refractory Granulation Mixer
Key Considerations for Refractory Granulation Mixers
- Homogeneity: Ensure uniform particle size and distribution.
- Throughput: Select a mixer that can handle the required production volume.
- Maintenance: Choose a mixer that is easy to clean and maintain.
By carefully selecting and operating CONELE refractory granulation mixer, manufacturers can produce high-quality mullite crucibles that meet the demanding requirements of various industrial applications.

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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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