Introduction to the Cooling Rotary Kiln Product
The rotary cooler, also known as a single-tube cooler, is a key piece of auxiliary equipment in the rotary kiln production system. It is primarily used to efficiently cool clinker—emitted from the rotary kiln after high-temperature calcination at temperatures ranging from approximately 1000℃ to 1300℃—reducing its temperature to below 200℃, thus facilitating subsequent handling, storage, and grinding processes. By rotating the cylindrical shell, the device ensures thorough heat exchange between the internal material and the cooling air. This not only recovers the material’s sensible heat, thereby enhancing the overall thermal efficiency of the system, but also significantly improves the grindability and quality stability of the clinker.
Product Advantages
- High-efficiency thermal energy recovery By bringing cold air into counterflow or co-current contact with high-temperature materials, the air that absorbs heat during the cooling process is then fed back into the rotary kiln as secondary air, effectively enhancing fuel combustion efficiency and improving the overall thermal utilization rate of the kiln system.
- Excellent cooling performance The clinker exiting the kiln can be rapidly cooled to below 200℃, ensuring the physical properties of the material remain stable. At the same time, the temperature of the exhaust gas leaving the cooler can be kept within a reasonable range, facilitating subsequent dust removal processes.
- Stable and reliable operation It employs advanced roller support and stop-wheel positioning technology, combined with a low-pressure-loss vertical preheating/cooling design. As a result, the equipment operates smoothly, has a low failure rate, requires minimal maintenance, and can achieve an annual operating rate of over 90%.
- Environmental protection, energy conservation, and consumption reduction A unique sealing device—such as a flake-type seal—ensures that the system operates under negative pressure, preventing dust from leaking out. At the same time, by utilizing waste heat, the energy consumption per unit of product is significantly reduced.
- Highly adaptable Widely applicable to multiple industries including cement, metallurgy, chemical engineering, and refractory materials, we can provide customized solutions for the cooling treatment of various materials—whether it’s active lime, metallic magnesium, or different types of slag.
Product Parameter Table
Model Specifications
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Cylinder inner diameter × length (m)
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Design Capacity (t/h)
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Main motor power (kW)
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Normal operating temperature (℃)
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Total equipment weight (t)
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Φ2.5×40
|
2.5 × 40
|
180
|
55
|
700-800
|
149.61
|
Φ2.8×44
|
2.8 × 44
|
450
|
55
|
700-800
|
201.58
|
Φ3.0×48
|
3.0 × 48
|
700
|
100
|
700-800
|
237
|
Φ3.6×65
|
3.6 × 65
|
2000
|
185
|
700-800
|
-
|
Φ4.3×60
|
4.3 × 60
|
3200
|
375
|
700-800
|
583
|
Note: The above data are reference values for selected standard models; specific parameters can be customized non-standardly according to customer requirements and process conditions.
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