Top 5 Coal Grinding Mill Manufacturers for Blast Furnace Pulverized Coal Injection
Introduction
The blast furnace pulverized coal injection (PCI) process is a critical technology in modern ironmaking, requiring high-performance coal grinding mills to achieve optimal particle size distribution and combustion efficiency. This article evaluates the top 5 global manufacturers of coal grinding mills specifically designed for PCI applications, with technical comparisons and industry insights.
1. LOESCHE GmbH (Germany)
The pioneer of vertical roller mill technology, LOESCHE’s LM series offers:
- Modular design with 2-4 grinding rollers
- Active hydraulic pressure system (up to 350 bar)
- Dynamic classifiers achieving 5-20% R90μm
2. FLSmidth (Denmark)
ATOX® Coal Mill features:
- Three grinding rollers with 50% larger contact area
- Rotary sluice feeder prevents mill vibrations
- Standard capacity range: 5-200 t/h
3. Our Recommended Solution: SCM Ultrafine Mill
For operations requiring ultra-fine pulverization, our SCM Ultrafine Mill delivers exceptional performance:
| Model | Capacity (t/h) | Power (kW) | Fineness (μm) |
|---|---|---|---|
| SCM800 | 0.5-4.5 | 75 | 5-45 |
| SCM1680 | 5.0-25 | 315 | 5-45 |
Key advantages for PCI applications:
- Vertical turbine classifier ensures precise particle cut points
- 30% lower energy consumption vs conventional mills
- Pulse dust collector with 99.9% efficiency
4. CITIC Heavy Industries (China)
GMQG ball mill series provides:
- Wet/dry grinding capability
- Large capacity up to 450 t/h
- Proven reliability in harsh conditions
5. Another Premium Option: MTW Trapezium Mill
Our MTW Series Trapezium Mill excels in medium-fine grinding:
- Curved air duct reduces turbulence by 15%
- Integrated powder concentrator with 98% efficiency
- Special wear-resistant shovel blades (3x lifespan)
Technical Comparison
| Manufacturer | Fineness (R90μm) | Energy (kWh/t) | Noise (dB) |
|---|---|---|---|
| LOESCHE | 10-25% | 12-18 | 82 |
| Our SCM Mill | 5-15% | 9-14 | ≤75 |
| FLSmidth | 12-30% | 14-20 | 85 |
Conclusion
When selecting coal grinding mills for PCI systems, operators should prioritize energy efficiency, particle size control, and system reliability. Our SCM Ultrafine Mill and MTW Trapezium Mill offer competitive advantages in precision grinding and operational economy, particularly for modern blast furnaces requiring strict coal quality standards.
