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Ring Cooler
Ring Cooler
1. Overview
The Ring Cooler is a highly efficient, continuous cooling device designed for high-temperature materials such as indurated pellets or sintered ores. Widely used in metallurgical and mining industries, the ring cooler adopts a circular structure to achieve uniform cooling while allowing for efficient heat recovery, energy savings, and stable operation.
2. Working Principle
After high-temperature roasting, the material is evenly distributed into the rotating cooling pans. As the cooler rotates along its circular track, the material gradually moves along with the pans while coming into counterflow contact with cold air blown from the bottom. This facilitates efficient heat exchange and cooling. The resulting hot air can be collected and reused for drying or preheating processes, improving energy efficiency.
3. Main Components
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Circular Track Frame: Rigid steel support structure enabling smooth circular motion; modular design for easy maintenance.
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Cooling Pans: Made from wear-resistant, high-temperature alloys or steel; designed for long service life and high thermal efficiency.
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Drive System: Motor with reducer and chain drive mechanism; optional variable frequency drive for speed control.
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Air Blower System: Cold air is blown from below the material bed to achieve countercurrent cooling.
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Feeding System: Designed to ensure uniform material distribution; options available for automated multi-point feeding.
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Discharge System: Mechanical or hydraulic discharge mechanisms such as scraper arms or flip plates.
4. Technical Features & Advantages
| Feature | Description |
|---|---|
| High Cooling Efficiency | Counterflow air ensures optimal heat exchange |
| Energy Recovery | Hot air can be reused for upstream processes |
| Stable Operation | Reliable transmission and low maintenance design |
| Long Service Life | Key components are made from durable, heat-resistant materials |
| High Automation | Optional PLC control system for automatic feeding, temperature monitoring, and air volume regulation |
5. Typical Applications
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Cooling system for pellet induration processes (after rotary kiln or shaft furnace)
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Cooling of sintered ore in sintering plants
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Metallurgical powder cooling
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Cooling of granular materials in the chemical industry
6. Customization Options
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Diameter and processing capacity tailored to customer requirements (Φ12m to Φ24m available)
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Optional auxiliary systems: dust collectors, hot air recovery units, automated lubrication, etc.
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Integration with smart monitoring and control systems (remote data tracking, real-time alerts, etc.)