Fluid Bed Calciners
Efficiency process a wide variety of materials with Heyl Patterson’s Fluid Bed Calciners. Our fluid bed calciners are a cost-effective and energy-efficient solution to high-capacity applications where direct contact with the heating medium is acceptable or desirable. Increased mass and heat transfer rates are accomplished with its high surface area contact between the fluid and solid per-unit bed volume.
Features & Benefits
- Fewer moving parts come in contact with product for minimal degradation.
- Variable retention times by varying bed depth provide precise temperature control over a wide variety of products.
- Extremely high surface area contact between fluid and solid per-unit bed volume.
- High relative velocities between the fluid and the dispersed solid phase.
- High levels of intermixing of the particulate phase.
- Boric Acid
- Coffee
- Kaolin
- Ceramics
- Magnesium Sulfate
- Metallurgical Ores
- Sodium Chlorate
Calciner Equipment
Calcining can include oxidation, reduction, removal of chemically bound water or other types of molecular change, crystal structural change, or pyrolysis that converts a material’s physical or chemical properties.
In addition to fluid bed calciners, Heyl Patterson offers rotary calciners.
Heyl Patterson Thermal Processing has decades of experience designing and manufacturing fluid bed calciners and rotary drum calciners for a wide variety of applications.
Our fluid bed calciners represent a special approach to thermal processing. These calciners process powder and bulk materials at medium to high temperatures while completely separating from furnace flue gas.
Heyl Patterson engineers custom design each fluid bed calciner to meet your desired final product requirements.
Built to your unique specifications, or designed by our engineers to exceed your specific application requirements, each Heyl Patterson Calciner can be rigorously pilot tested at our Innovation Center & Test Lab before the final design is implemented.
Speak to an expert.
Options & Accessories
- Natural gas, LPG, or fuel oils
- Carbon, stainless steel, or special alloys construction
- Expandable and dust-tight seals for special atmospheres
Fluid Bed Calciners Product FAQ
What is a fluid bed calciner, and how does it work?
A fluid bed calciner uses upward-flowing gas to suspend fine particles, creating a fluid-like state that enables highly efficient heat transfer and a uniform temperature distribution. This fluidization ensures consistent calcination across all particles, making it ideal for fine or uniform materials.
What materials are best suited for fluid bed calcination?
Fluid bed calciners are best suited for fine, uniform particle-size materials such as chemical powders, alumina, hydrates, and specialty minerals that require precise temperature control and consistent thermal treatment.
How does a fluid bed calciner compare to a rotary calciner?
Fluid bed calciners provide faster heat transfer and tighter temperature uniformity, making them ideal for fine materials and controlled reactions. Rotary calciners, by contrast, are typically better suited for larger particle sizes, variable feedstocks, and materials requiring longer residence times.
What are the advantages of fluid bed calcination?
Key benefits include:
- Uniform temperature distribution across all particles
- High heat transfer efficiency
- Precise control of reaction conditions
- Reduced risk of hot spots or material degradation
- Continuous, high-throughput processing capability
These advantages make fluid bed equipment ideal for processes requiring consistent product quality and tight thermal control.
Can fluid bed calciners be integrated into existing processing lines?
Yes. Fluid bed calciners can be engineered to integrate with upstream and downstream systems, such as drying, material handling, gas treatment, and product cooling, ensuring seamless operation within existing process flows.