Energy Consumption in Expansion
Energy Consumption in Expansion — Fuel Use, Heat Transfer & Efficiency Optimization
Energy consumption in perlite expansion ranges from 0.8–1.5 GJ/ton depending on furnace type, ore quality, and process control.
1. What Determines Energy Use?
- Furnace type
- Burner efficiency
- Ore moisture
- Pre-drying
- Airflow
2. Typical Energy Consumption
| Furnace | Energy (GJ/ton) |
|---|---|
| Vertical | 1.2–1.5 |
| Rotary | 1.0–1.3 |
| Fluidized | 0.8–1.1 |
3. How Energy Is Measured
- Fuel flow meters
- Thermal balance
- Exhaust gas analysis
4. Factors Affecting Energy Use
- Ore moisture
- Preheating
- Furnace insulation
- Burner type
5. Impact on Final Product
- Cost
- Carbon footprint
- Expansion uniformity
6. Geological Influence
Wet ores require more energy.
7. FAQ
Q: Does pre-drying reduce energy?
Yes.
Q: Which furnace is most efficient?
Fluidized.
