Indirect Fired Rotary Kiln
The indirect fired rotary kiln is a new type of rotary kiln that is highly efficient and environmentally friendly. It is widely used in new energy, battery materials, chemical industries, metallurgy, mineral processing, etc.
Indirect Fired Rotary Kiln for Sale
- Capacity: 15-3000kg/h
- Kiln Body Length: 6-18 m
- Calcination Temperature: 1100±50℃
- Fuel: Gas, coal, oil, electricity, etc.
- Application: Biomass gasification, mineral pyrolysis, metallurgy, chemical engineering, etc.
Efficient, Precise, and Environmentally Friendly —— Your trusted indirect fired rotary kiln manufacturer!
The indirect fired rotary kiln is a new type of rotary kiln that is highly efficient and environmentally friendly. It is widely used in new energy, battery materials, chemical industries, metallurgy, mineral processing, etc. The difference from a direct fired rotary kiln is the heat source of an indirect-fired rotary kiln is not direct contact with materials. And place the heat source between the insulation shell and the kiln tube. Calcine the materials in the kiln tube by external heating. Natural gas, coal gas, liquefied petroleum gas, electricity, coal, and other raw materials can be used as fuel.
AGICO’s indirect fired rotary kiln adopts a compact structure design. The tilt angle can be adjusted. It is also equipped with modular heating elements that allow precise control of the calcination heating process to meet the processing needs of different materials. It can be used to calcine heated metal minerals, compounds, molecular sieve catalysts, barite, sewage sediments, biomass waste, and industrial waste.
Why Choose Indirect Fired Rotary Kiln
Precise Temperature Control
Since the heat source is not in direct contact with the material, the indirectly fired rotary kiln conducts heat through the kiln wall. It can achieve precise temperature regulation and avoid the adverse effects of temperature fluctuations.
Environmentally Friendly
Indirect heating prevents harmful gases or contaminants from entering the material, ensuring high purity of the material. Ideal for handling sensitive substances.
Fuel Diversification
Indirect fired rotary kilns can use different types of energy, such as electricity, natural gas, fuel oil, and so on. Customers can choose the most suitable type of energy according to the actual situation.
Automated Control Systems
Our indirect fired rotary kiln is integrated with a PLC control system. Feed rate and combustion temperature are automatically adjusted based on precise data feedback to ensure optimal performance and efficiency.
The Structure of Indirect Fired Rotary Kiln
- Rotating Cylinder: It is mainly used to contain and transport materials, It is usually made of special alloys or stainless steel that are resistant to high temperatures and corrosion. The inner lining of the cylinder can be made of refractory materials. The cylinder is driven to rotate by a variable frequency motor through gears.
- Heating System: It uses external heating, such as electric heating, gas heating, or oil heating. Avoid direct contact between materials and combustion gases. Adopt a modular heating element design, it is easy to maintain and replace and prolongs the service life of the equipment.
- Infeed and Outfeed Systems: The feeding end is equipped with a sealing device to prevent heat loss. Continuous or intermittent feeding can be realized at the same time. The discharge end is equipped with a cooling system or a sealed discharge device. Ensure that the material reaches the target temperature and is discharged stably.
- Transmission System: The transmission system Includes motors, gearboxes, and gear or chain drives, to ensure smooth rotation of the kiln. The rotational speed is adjustable to adapt to the processing needs of different materials and realize the best calcination effect.
Working principle:
The material enter the cylinder through feed port, the transmission system drive the cylinder to rotate, so that the material moves forward. The inner wall of the cylinder is equipped with a platen, the material is constantly turned over, make the material heated evenly. Combustion chamber on the outside of the cylinder, The heat generated by combustion is conducted through the kiln wall to the internal material. Realization of non-polluting, uniformly heated heat treatment process. The whole process is accurately regulated in temperature and frequency by a temperature control system, ensure that the material achieves the desired processing effect. Suitable for processing high purity, volatile or sensitive materials.
Indirect Fired Rotary Kiln VS Direct Fired Rotary Kiln
—— AGICO’s indirect fired rotary kiln is your best choice!
Indirect Fired Rotary Kiln
- The heat source is not in direct contact with materials and uses gas, electric, or oil heating.
- It is suitable for materials with very high requirements on temperature and environment, Such as high-purity oxides, lithium battery materials, waste treatment, etc.
- Since the heating method is conducted through the kiln wall, the temperature can be controlled more precisely.
- The energy efficiency is relatively low, but it is environmentally friendly. The manufacturing cost is relatively high and suitable for high-end material production and special applications.
- The heat source is in direct contact with materials. It is suitable for a simple heat treatment process requiring higher temperatures.
- It is used in cement production, ore calcination, metallurgy, and other industries. It has high thermal efficiency and simple operation.
- The temperature fluctuates greatly and the temperature control accuracy is low.
- It has high energy efficiency, low cost, and is suitable for large-scale production.
Tailor Your Own Indirect Rotary Kiln
In the new energy, battery materials, metal smelting, chemical, and environmental protection industries, each material requires a precisely matched heat treatment solution. AGICO can provide customers with fully customizable indirect rotary kiln solutions. According to your production needs, we can create efficient, energy-saving, and environmentally friendly indirect rotary kiln solutions! Contact us now to start your exclusive customization journey!
Main Applications
New Energy Materials:
indirect rotary kiln commonly used for calcination and heat treatment of positive and negative electrode materials for lithium batteries. Through the precise temperature control, ensure the high purity of material and Excellent electrochemical performance.
Metal Smelting:
Indirect rotary kiln In metal smelting and mineral processing, The reduction and refining of metal oxides and the calcination of minerals are ensured by a pollution-free heating method.
Chemical Industry:
Indirect rotary kiln is mainly used in the chemical industry for catalyst activation, adsorbent treatment, and chemical calcination and refining. Such as molecular sieve catalysts and petrochemical catalysts.
Environmental Protection:
The indirect rotary kiln is widely used for pyrolysis and harmless treatment of industrial waste, urban sludge, hazardous waste, and biomass waste. Realize waste resource utilization.
Equipment Parameters
| Model | Rated operating temperature | Furnace pipe size | Rated heating power | Installation Angle | Capacity | Dimensions | Weight |
|---|---|---|---|---|---|---|---|
| RQ20 | 1100℃ | φ0.2×4.5m | 80000kcal/h | 0.5~5.0° | ~15kg/h | ~6.1×1.6×1.4m | ~4T |
| RQ35 | 1100℃ | φ0.35×9m | 110000kcal/h | 0.5~4.0° | ~120kg/h | ~11×1.8×1.9m | ~8T |
| RQ40 | 1100℃ | φ0.4×9m | 180000kcal/h | 0.5~4.0° | ~150kg/h | ~11×1.8×1.9m | ~10T |
| RQ50 | 1100℃ | φ0.5×9m | 300000kcal/h | 0.5~4.0° | ~250kg/h | ~11×1.8×2.0m | ~12T |
| RQ62 | 1100℃ | φ0.62×10.5m | 450000kcal/h | 0.5~3.0° | ~300kg/h | ~12.5×2.2×2.1m | ~15T |
| RQ70 | 1100℃ | φ0.7×10.5m | 480000kcal/h | 0.5~3.0° | ~360kg/h | ~12.5×2.3×2.2m | ~18T |
| RQ80 | 1100℃ | φ0.8×10.5m | 600000kcal/h | 0.5~3.0° | ~480kg/h | ~12.5×2.3×2.2m | ~20T |
| RQ94 | 1100℃ | φ0.94×12m | 680000kcal/h | 0.5~2.5° | ~650kg/h | ~14×2.4×2.3m | ~25T |
| RQ100 | 1100℃ | φ1.0×12m | 700000kcal/h | 0.5~2.5° | ~750kg/h | ~14×2.5×2.5m | ~28T |
| RQ110 | 1100℃ | φ1.1×12m | 800000kcal/h | 0.5~2.5° | ~900kg/h | ~14×2.5×2.5m | ~30T |
| RQ125 | 1100℃ | φ1.25×12m | 860000kcal/h | 0.5~2.5° | ~1000kg/h | ~14×2.6×2.6m | ~35T |
| RQ142 | 1100℃ | φ1.42×13.5m | 1000000kcal/h | 0.5~2.5° | ~1350kg/h | ~15.5×2.7×2.7m | ~40T |
| RQ150 | 1100℃ | φ1.5×13.5m | 1300000kcal/h | 0.5~2.5° | ~1500kg/h | ~15.5×2.8×2.9m | ~45T |
| RQ160 | 1100℃ | φ1.6×15m | 1500000kcal/h | 0.5~2.5° | ~1600kg/h | ~15.5×2.9×3.0m | ~50T |
| RQ180 | 1100℃ | φ1.8×15m | 1700000kcal/h | 0.5~2.5° | ~1900kg/h | ~17.5×3.1×3.2m | ~55T |
| RQ200 | 1100℃ | φ2.0×15m | 1800000kcal/h | 0.5~2.5° | ~2200kg/h | ~17.5×3.3×3.4m | ~60T |
| RQ220 | 1100℃ | φ2.2×15m | 2200000kcal/h | 0.5~2.5° | ~2600kg/h | ~18×3.5×3.6m | ~70T |
| RQ240 | 1100℃ | φ2.4×16.5m | 2500000kcal/h | 0.5~2.5° | ~3000kg/h | ~18×3.8×3.9m | ~82T |