Ultrafine Vertical Roller Mill
The Ultrafine Vertical Roller Mill is a versatile grinding system combining the energy efficiency of vertical roller technology with the flexibility to produce powders across a wide fineness range from 150 to 3000 mesh. This mill is designed for operations that need to produce multiple powder grades from a single machine, switching between coarse construction fillers and ultrafine paint-grade powders as market demand dictates. Its robust construction, integrated classification, and automated control system make it suitable for continuous production environments where reliability and product consistency are paramount.
Working Principle
Material is fed onto a rotating grinding table where spring-loaded or hydraulically loaded rollers grind it through compression and shear. Ground powder is swept upward by air flow into a high-efficiency classifier that separates particles by size. The classifier speed determines the cut point, allowing operators to produce anywhere from 150 to 3000 mesh powder by adjusting a single parameter. Qualified powder is collected in cyclone and bag filter systems, while coarse material returns to the grinding table.
The grinding process is precisely controlled by the integrated classification system, which separates qualified fine powder from coarse particles. Coarse particles fall back to the grinding chamber for regrinding, while fine powder is conveyed by airflow to the cyclone collector and then to the finished product silo. This closed-circuit design ensures consistent product quality and high grinding efficiency.
Key Features & Advantages
Wide Fineness Range
Produces 150-3000 mesh powder from a single machine, eliminating the need for separate coarse and fine grinding equipment.
Spring or Hydraulic Loading
Available with either mechanical spring loading (economical) or hydraulic loading (higher pressure, finer output) to suit application requirements.
Compact Design
Vertical configuration integrates grinding, classification, and conveying in one structure, reducing building height and floor space requirements.
Automated Control
PLC-based control system monitors and adjusts grinding pressure, classifier speed, and feed rate for optimal performance with minimal operator intervention.
Applications & Industry Use
This equipment is widely used across multiple industries for various powder processing applications:
- Calcium carbonate production
- Limestone powder for desulfurization
- Talc grinding for cosmetics
- Kaolin processing for paper
- Dolomite powder for agriculture
- Barite weighting agents
Processable Materials
The versatile design of this equipment allows it to process a wide range of non-metallic minerals and industrial materials. Below are some of the most commonly processed materials. For detailed grinding solutions for each material, please visit our materials page.
Technical Specifications
The following table provides detailed technical parameters for each model in this product series. These specifications are based on standard configurations and may vary depending on material properties and specific application requirements. Contact our engineering team for customized configurations.
| Model | UVRM-S | UVRM-M | UVRM-L |
|---|---|---|---|
| Fineness (mesh) | 150-3000 | 150-3000 | 150-3000 |
| Capacity (t/h) | 0.3-6 | 1-15 | 3-45 |
| Main Power (kW) | 45-75 | 75-160 | 132-315 |
Performance & Efficiency
The Ultrafine Vertical Roller Mill is designed for maximum grinding efficiency and energy savings. The optimized grinding chamber geometry, combined with high-precision classification, ensures that energy is used effectively for particle size reduction rather than wasted on over-grinding or heat generation. Compared to conventional milling systems, our equipment typically achieves 20-30% lower power consumption per ton of finished powder.
Key performance metrics include stable fineness control with deviation less than 5%, low noise levels below 75 dB at 1 meter distance, and dust emissions below 20 mg/m3 when equipped with our pulse bag filter system. These performance characteristics make our equipment suitable for even the most demanding industrial environments and stringent environmental regulations.
Installation & Commissioning
Proper installation is critical for optimal equipment performance and longevity. Our experienced engineers provide on-site installation and commissioning services, including equipment positioning, alignment, electrical connection, piping installation, and system integration. The typical installation timeline ranges from 15 to 45 days depending on equipment model and production line complexity.
During commissioning, we conduct comprehensive performance tests including no-load test, load test, and production trial runs. We verify all performance parameters meet design specifications, calibrate control systems, train your operators on proper operation and maintenance procedures, and deliver a complete commissioning report with all test data.
Frequently Asked Questions
Yes. By adjusting the classifier speed, you can produce anywhere from 150 mesh (coarse) to 3000 mesh (ultrafine) powder. Many customers produce multiple grades from the same machine to serve different markets.
Routine inspection is recommended every 2 weeks. Roller and liner replacement intervals depend on material hardness and operating hours, typically 6-18 months for standard applications.