High-Efficiency Desulfurization Limestone Powder Mill Equipment for Power Plants
We provide a wide range of mills — including Raymond mill, trapezoidal mill, vertical mill, ultrafine mill, and ball mill, obtained ISO9001 international quality certification, EU CE certification, and Customs Union CU-TR certification. Suitable for processing minerals such as limestone, phosphate, quicklime, kaolin, talc, barite, bentonite, calcium carbonate, dolomite, coal, gypsum, clay, carbon black, slag, cement raw materials, cement clinker, and more.
The discharge range of these mills can be adjusted to meet specific processing needs, typically from 80-400 mesh, 600-3250 mesh, and can achieve the finest particle size of up to 6000 mesh(D50).
If you are looking for a reliable grinding solution to turn stone or minerals into fine powder, please feel free to contact our online customer service.
Revolutionizing Power Plant Desulfurization with Advanced Grinding Technology
In the quest for cleaner energy production, power plants worldwide are adopting advanced flue gas desulfurization (FGD) systems. At the heart of these systems lies the critical process of limestone powder preparation – where grinding efficiency directly impacts desulfurization rates and operational costs. This article explores cutting-edge solutions for ultra-fine limestone grinding tailored specifically for power plant applications.

The Critical Role of Limestone Grinding in FGD Systems
Modern wet FGD systems require limestone powder with specific particle size distribution (typically 90% passing 325 mesh/44μm) to maximize SO2 absorption efficiency. Conventional ball mills often struggle to achieve this fineness while maintaining energy efficiency and production capacity. The industry demands solutions that combine:
- Precise particle size control (325-2500 mesh adjustable)
- High throughput capacity (5-340 tph range)
- Low energy consumption (30-50% savings vs traditional mills)
- Environmentally friendly operation (dust & noise control)
- Minimal maintenance requirements
MW Ultrafine Grinding Mill: The Optimal Solution
Our MW Ultrafine Grinding Mill represents a technological leap in limestone preparation for power plants. With input size capability of 0-20mm and throughput ranging from 0.5-25 tph, this system delivers exceptional performance through innovative engineering:

Key Advantages for Power Plant Applications:
- Superior Grinding Efficiency – Newly designed grinding curves enhance efficiency by 40% compared to jet mills, with energy consumption just 30% of conventional systems
- Precision Particle Control – German-designed cage-type powder selector enables adjustable fineness between 325-2500 meshes, achieving d97≤5μm in single pass
- Reliable Operation – No rolling bearings or screws in grinding chamber eliminates common failure points, while external lubrication allows 24/7 continuous operation
- Eco-Friendly Design – Integrated pulse dust collector and noise reduction systems ensure compliance with strict environmental regulations
- Digital Precision – CNC-machined components guarantee consistent performance and product quality
Case Study: 600MW Power Plant Retrofit
A recent installation at a 600MW coal-fired plant demonstrated the MW mill’s capabilities:
| Parameter | Before Retrofit | After MW Mill Installation |
|---|---|---|
| Limestone Consumption | 8.5 tph | 6.2 tph |
| Power Consumption | 48 kWh/t | 32 kWh/t |
| Desulfurization Efficiency | 92% | 97.5% |
| Maintenance Downtime | 120 hours/year | 18 hours/year |
Complementary Solution: LUM Ultrafine Vertical Grinding Mill
For larger power plants requiring higher capacities (5-18 tph), our LUM Ultrafine Vertical Grinding Mill offers additional benefits:
- Taiwan grinding roller technology combined with German powder separation
- 30-50% energy reduction through multi-head powder separating technology
- Double position-limiting technology ensures stability during load fluctuations
- Reversible structure simplifies maintenance operations

Conclusion
As environmental regulations tighten globally, power plants cannot afford suboptimal desulfurization systems. Our MW and LUM grinding mills provide the technological edge needed to achieve compliance while reducing operating costs. With proven results in multiple installations worldwide, these systems represent the future of efficient limestone preparation for FGD applications.
Contact our engineering team today to discuss how we can optimize your power plant’s desulfurization performance through advanced grinding technology.
