LM Vertical Coal Mill
LM Vertical Coal Mill, also known as the Medium Speed Coal Mill, is a large-scale and efficient grinding equipment developed through comprehensive introduction of technical advantages from Germany Loesche and Pfeiffer. The vertical coal mill combines drying and powder production, allowing for simultaneous grinding and drying. The system operates safely, stably, with low noise, and is energy-saving and environmentally friendly.
LIMING Machinery Co., Ltd. manufactures this equipment with over 30 years of industry experience, ensuring reliable performance, high efficiency, and long service life. Our equipment is widely used in cement plants, mining operations, and mineral processing facilities worldwide.
Applications
Power plants, thermal power plants, cement plants, steel plants and other industries requiring pulverized coal fuel and desulfurized stone powder.
Our equipment is designed to handle various materials and operating conditions, providing consistent performance and output quality. The robust construction and advanced control systems ensure stable operation even under the most demanding industrial environments.
Performance Advantages
Low Investment Cost
Integrates crushing, drying, grinding, powder selection, and transportation. Simple process flow, compact layout, small footprint, can be arranged outdoors.
Low Operating Costs
Adopting material layer grinding principle, grinding roller directly crushes and grinds material on the grinding disc.
Large Drying Capacity
Hot air delivery transports materials. Can dry materials with moisture content up to 15% and finished product moisture less than 1%.
Safe and Reliable
Five-level safety and explosion-proof measures ensure safe and reliable operation.
High Level of Automation
Automatic control system with remote control, interlock protection, real-time monitoring, and abnormal reminders.
Less Wear Consumption
Limit device prevents direct contact between grinding roller and disc. Special materials provide long service life.
Working Principle
The raw coal is screened through a grid screen from the raw coal yard and falls onto a belt conveyor or elevator. After iron removal, the raw coal enters the silo for storage. The sealed metering belt coal feeder sends raw coal into the vertical coal mill for drying and grinding. Hot air enters the mill and exchanges heat with the raw coal, carrying the coal powder for classification. Coarse coal powder falls back for regrinding. Qualified coal powder enters the explosion-proof dust collector and is collected. Impurities are removed through the slag outlet. A CO-O2 online analysis system monitors the entire process.
The working principle of the LM Vertical Coal Mill reflects our commitment to engineering excellence. Each component is precisely designed and manufactured to ensure optimal performance, energy efficiency, and minimal maintenance requirements. The integrated control system allows for easy operation and monitoring of all key parameters.
Technical Specifications
Hot Sale: Patented technology, high productivity, environmental protection and energy saving
| Model | Capacity (t/h) | Feed Size (mm) | Raw Coal Moisture | Fineness | Powder Moisture | Main Motor Power (kW) |
|---|---|---|---|---|---|---|
| LM12-2M | 4~6 | <38 | <15% | R0.08=10-20% | <1-5% | 55~75 |
| LM17-2M | 7~10 | <38 | <15% | R0.08=10-20% | <1-5% | 110~132 |
| LM19-2M | 10~17 | <40 | <15% | R0.08=10-20% | <1-5% | 185~220 |
| LM22-2M | 16~22 | <40 | <15% | R0.08=10-20% | <1-5% | 250~280 |
| LM24-2M | 20~30 | <45 | <15% | R0.08=10-20% | <1-5% | 315~355 |
| LM27-2M | 26~40 | <45 | <15% | R0.08=10-20% | <1-5% | 400~500 |
| LM31-2M | 35~50 | <50 | <15% | R0.08=10-20% | <1-5% | 560~630 |
| LM34-3M | 45~80 | <50 | <15% | R0.08=10-20% | <1-5% | 710~900 |
| LM37-3M | 65~100 | <50 | <15% | R0.08=10-20% | <1-5% | 900~1250 |
For detailed specifications not listed above or custom configurations, please contact our engineering team. We provide customized solutions based on your specific material properties, capacity requirements, and site conditions.
Frequently Asked Questions
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