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Vertical Roller Mill for Minerals

-- Steady & Reliable Manufacturer --

Introduction

The Vertical Roller Mill (VRM) represents the cutting edge of grinding technology for the mineral industry. It combines crushing, grinding, drying, and classifying into a single, highly efficient unit. Material is ground between a rotating table and a set of stationary rollers. The VRM is the preferred solution for large-scale, energy-intensive applications like slag grinding, cement production, and mineral processing, offering significant advantages in energy savings, operational flexibility, and product quality over traditional grinding circuits.

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Raymond Mill Equipment
Raymond Mill Production

VRM vs. Traditional Ball Mill Circuit

FeatureVertical Roller MillBall Mill + Dryer + Separator
Energy ConsumptionLow (e.g., 25 kWh/t)High (e.g., 40 kWh/t)
FootprintSmall & CompactLarge & Sprawling
Drying CapabilityExcellent (up to 20% moisture)Limited / Requires separate dryer
Product ControlExcellent (steep PSD)Good (flatter PSD)
MaintenanceFast (hydraulic roller swing-out)Slow (full re-lining)

Ideal Applications

  • Cement & Slag: The industry standard for new cement grinding and GGBS production plants due to its high energy efficiency.
  • Coal & Petcoke: The safest and most efficient technology for pulverizing solid fuels in power plants and cement kilns.
  • Large-Scale Mineral Grinding: For high-volume projects involving limestone, phosphate, or iron ore, where energy savings are critical.
  • High-Moisture Materials: Perfect for grinding minerals with high moisture content, such as bauxite or certain clays.

Key Advantages of Our VRMs

  • Massive Energy Savings: Can reduce electricity consumption by up to 50% compared to a ball mill circuit, providing a rapid return on investment.
  • All-in-One Functionality: Simplifies the plant flowsheet, reducing capital cost and the number of machines to maintain.
  • Superior Drying Performance: The most efficient way to simultaneously grind and dry wet materials in a single step.
  • High Availability: Designed for reliability and fast maintenance to maximize your plant's operating hours.

Payment & Shipping

As a high-value capital investment, we work with clients on structured project finance payments, including L/C and bank guarantees. Our project logistics team has extensive experience shipping these large, multi-component systems to industrial sites around the globe.

Frequently Asked Questions

  • Q: Are Vertical Roller Mills suitable for very abrasive materials?
  • A: Yes. Modern VRMs are designed for this. The grinding table and roller segments are not solid pieces but have replaceable liners made from extremely hard high-chromium alloys. These wear parts are designed to be changed quickly, ensuring the mill can handle even the most abrasive feeds like slag and petcoke.
  • Q: Is the vibration from a VRM a problem?
  • A: We use advanced hydraulic pressure systems and specially designed foundations to ensure smooth, low-vibration operation. Modern VRMs run very stably, and vibration is continuously monitored by the control system as a key operational parameter.

Recommended Links:

Vertical Roller Mill Technology Grinding Mill for Sale Bentonite Clay Milling for Construction Graphite Powder Milling for Industry Iron Ore Grinding for Beneficiation
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  • NANTONG LIYUANHENG MACHINERY CO., LTD.
  • NANTONG LIYUANHENG MACHINERY CO., LTD.
  • NANTONG LIYUANHENG MACHINERY CO., LTD.
  • NANTONG LIYUANHENG MACHINERY CO., LTD.
about liyuanheng

Nantong Liyuanheng Machinery Co., Ltd. is a technology enterprise specializing in ultrafine grinding equipment research, development, manufacturing, and EPCM. Long-term commitment to environmental protection and energy saving, grinding, superfine grinding, and other new technology research and development and provide customers with a one-stop system solutions. China Vertical Roller Mill for Minerals Manufacturers and Vertical Roller Mill for Minerals Suppliers . The complete set of grinding equipment is trusted by customers for its advanced technology, environmental protection, energy saving, and stable quality. Nearly 100 energy-saving grinding production lines have been successfully applied in metallurgy, mining, and other industries.

The grinding mill is mainly suitable for grinding processing of metallurgy, building materials, chemical industry, mining, and other mineral materials. It can grind limestone, calcite, calcium oxide, calcium hydroxide, quartz, feldspar, talcum, barite, fluorite, rare earth, marble, ceramic, bauxite, manganese ore, iron ore, copper ore, phosphate ore, iron oxide red, zircon sand, slag, water granulated slag, cement clinker, activated carbon, dolomite, granite, garnet, Iron oxide yellow, soybean cake, chemical fertilizer, compound fertilizer, fly ash, bituminous coal, coking coal, lignite, rhodochrosite, chromium oxide green, gold, red mud, clay, kaolin, coke, gangue, china clay, bluestone, fluorite, bentonite, medical stone, rhyolite, greenstone, pyrophyllite, shale, purple sands, chlorite, multiple rocks, basalt, gypsum, graphite, silicon carbide, thermal insulation materials and all kinds of non-flammable and explosive mineral materials which Moh's hardness is below 7 grade and water content below 6%. The granularity of the finished product can be adjusted between 0.25 and 0.023 millimeters (equivalent to 60 mesh and 600 mesh) according to different requirements.

  • NANTONG LIYUANHENG MACHINERY CO., LTD.

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  • NANTONG LIYUANHENG MACHINERY CO., LTD.

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