Green coffee preheating system
In coffee roasting, high energy consumption is a common challenge due to the need to heat up green coffee beans. This results in significant temperature drops during the roasting process, requiring additional energy to reach the desired roasting temperatures.
Reuses waste heat to preheat green coffee
The RKV Green Coffee Preheating System from Probat is designed to reduce energy consumption in coffee roasting. The system reuses part of the cleaned exhaust air to heat the green coffee beans to approximately 100 °C in a preheating chamber, which ensures uniform heat transfer through mechanical mixing. By preheating the beans before they enter the roaster, the RKV shortens the initial heating phase inside the roaster, thus minimizing temperature drops and reducing the energy needed to reach optimal roasting temperatures. This technology increases the energy efficiency and processing performance of the roasting system by up to 20%, while also lowering CO2 emissions.
Benefits
- Reduces energy consumption by reusing exhaust heat
- Enhances processing performance with uniform heat transfer
- Lowers CO2 emissions
- Shortens roasting cycles
- Maintains consistent coffee quality