15-20TPH Low Energy Consumption Vertical Slag Mill for Mineral Processing

Introduction to Vertical Slag Mill Technology
In modern mineral processing, vertical slag mills have become indispensable equipment for efficient slag grinding with low energy consumption. These mills are specifically designed to handle industrial by-products like blast furnace slag, offering superior performance in terms of grinding efficiency, energy savings, and environmental protection.
Why Choose Vertical Slag Mills?
Vertical slag mills offer several advantages over traditional ball mills:
- 30-50% lower energy consumption
- Higher grinding efficiency with integrated drying capability
- Smaller footprint and simpler infrastructure requirements
- Better control over product fineness
- Lower maintenance costs
Technical Specifications for 15-20TPH Capacity
For operations requiring 15-20 tons per hour processing capacity, the following technical parameters are critical:
Key Performance Indicators
Parameter | Value |
---|---|
Feed Size | ≤50mm |
Product Fineness | 420m²/kg specific surface area |
Moisture Content | ≤1% in final product |
Power Consumption | 35-45 kWh/t (depending on material hardness) |
ZENITH’s Recommended Solutions
As a leading manufacturer with over 30 years of experience in grinding technology, ZENITH offers two exceptional solutions for 15-20TPH slag processing:
1. LM220N Vertical Slag Mill
Our flagship model for medium-capacity slag grinding operations:
- Capacity: 20-26 TPH
- Main Motor Power: 900-1000 kW
- Grinding Table Diameter: 2800mm
- Moisture Handling: ≤15% feed moisture
2. LM190N Vertical Slag Mill
For operations requiring slightly lower capacity with excellent energy efficiency:
- Capacity: 10-12 TPH (can be paired for higher throughput)
- Main Motor Power: 500-560 kW
- Grinding Table Diameter: 2400mm
- Specific Power Consumption: As low as 35 kWh/t
Energy-Saving Features
ZENITH’s vertical slag mills incorporate multiple energy-saving technologies:
1. Optimized Grinding Mechanism
The unique grinding curve design ensures optimal material-bed formation, reducing energy waste while maintaining high grinding efficiency.
2. Intelligent Control System
Our mills feature advanced PLC control systems that automatically adjust operational parameters for optimal energy consumption based on real-time conditions.
3. Efficient Classifier Design
The integrated dynamic classifier minimizes recirculation of fine particles, reducing unnecessary grinding energy expenditure.
Case Study: Successful Installation
A recent installation of LM220N at a steel plant in Southeast Asia demonstrated:
- 22.5 TPH consistent output with 420m²/kg fineness
- 38.7 kWh/t specific energy consumption
- 98.5% operational availability in first year
- 30% reduction in energy costs compared to previous ball mill system
Maintenance and Service
ZENITH’s global service network ensures:
- 24/7 technical support through our 30+ overseas offices
- Quick replacement part delivery worldwide
- Regular maintenance training for customer technicians
- Remote monitoring options for predictive maintenance
For 15-20TPH slag grinding applications, ZENITH’s vertical slag mills offer the perfect combination of energy efficiency, reliability, and low operating costs. Our LM series mills have proven their value in hundreds of installations worldwide, delivering consistent performance and significant cost savings.
With our extensive R&D capabilities and commitment to quality, ZENITH continues to lead the industry in innovative grinding solutions for mineral processing applications.