High Pressure Grinding Mill
Product Introduction
High Pressure Grinding Mill(YGM Raymond Mill) | 50% Higher Grinding Force, Finer Powder, Higher Outpt-The Preferred Equipment for Large-Scale Processing of Medium-Hard Non-Metallic Minerals
High Pressure Grinding Mill (also known as YGM Raymond Mill) is a new-generation grinding equipment upgraded from the traditional Raymond mill. It is widely used for processing non-flammable and non-explosive materials with Mohs hardness ≤9.3 and moisture ≤6%, including limestone, calcite, marble, barite, gypsum, talc, kaolin, bentonite, dolomite, phosphate rock, manganese ore, feldspar, and more. By adding a high-pressure spring device to the roller assembly, the grinding force on materials is increased by approximately 30%-50% compared to traditional Raymond mills, significantly improving grinding efficiency and finished product fineness.
Compared with traditional Raymond mills, the High Pressure Grinding Mill offers significant advantages: higher grinding force, finer finished product (80-600 mesh, up to 800 mesh for some materials), higher output, and lower energy consumption. It is especially suitable for processing medium-hard materials with Mohs hardness 5-9.3. Its core grinding principle uses the combined effect of centrifugal force and high-pressure springs, causing the grinding rollers to press against the grinding ring with greater force. Material is forcibly crushed and ground between them, while a high-efficiency classifier controls final fineness. Qualified fine powder is discharged, and coarse powder returns for regrinding, forming a closed circuit.
Our High Pressure Grinding Mill features high-manganese/Ni-hard alloy rollers/rings, wear-resistant shovels, high-pressure spring devices, high-efficiency fans, and pulse baghouse filters to ensure long-term stable operation while meeting strict environmental standards. Our products have been exported to more than 50 countries and regions, including the US, Russia, India, Vietnam, Indonesia, Egypt, Brazil, and Morocco.
The High Pressure Grinding Mill is widely used for the following materials and industries:
| Material Type | Typical Materials | Hardness | Fineness | Industry Application |
|---|---|---|---|---|
| Carbonates | Limestone, calcite, marble, dolomite | ≤5 | 100-600 mesh | Building materials, paints, plastics, feed additives |
| Sulfates | Barite, gypsum, anhydrite | ≤4 | 200-400 mesh | Oil drilling weighting agent, building materials, molds |
| Silicates | Talc, kaolin, bentonite, mica | ≤4 | 200-600 mesh | Paper, ceramics, rubber, paints, cosmetics |
| Phosphates | Phosphate rock | ≤5 | 100-200 mesh | Phosphate fertilizer production |
| Oxides | Manganese ore, iron ore, chrome ore, molybdenum ore | ≤7 | 100-200 mesh | Metallurgy, mineral processing |
| Other Non-Metallic | Silicon carbide, corundum, zircon sand, activated carbon | ≤9.3 | 200-400 mesh | Refractories, abrasives, chemicals |
Product Features
High-Pressure Spring Device
Grinding force increased by 30%-50% compared to traditional Raymond mills, achieving higher grinding efficiency and finer finished product (80-600 mesh, up to 800 mesh for some materials), especially suitable for medium-hard materials
High Efficiency & Energy Saving
Optimized grinding chamber and airflow system increase output by 15%-30% and reduce energy consumption by 10%-20% compared to traditional Raymond mills at the same fineness
Uniform & Adjustable Fineness
Fineness adjustable from 80-600 mesh, narrow particle size distribution, minimal over-grinding, low residue, meeting requirements of various high-end industries
High One-Pass Yield & Optional Automatic Control
Closed-circuit system promptly separates qualified powder; coarse returns for regrinding, preventing over-grinding and increasing output, Optional PLC automatic control system for one-touch start/stop, fault alarms, real-time monitoring of current, temperature, vibration, and other parameters
Compact Structure, Small Footprint, Turnkey Solution
Vertical layout occupies only 1/3-1/2 of a ball mill's floor space, low civil cost, easy installation, Complete process solution from crushing, grinding, classification, collection to packaging
Environmentally Friendly, Dust-Free
Fully sealed negative pressure operation with pulse baghouse filter, dust emission <20mg/Nm³, meeting domestic and international environmental standards
Wear-Resistant & Durable
Grinding rollers and rings made of high-manganese or Ni-hard alloy, service life 10,000-15,000 hours; critical parts wear-treated
Strong Adaptability
Can process over 80 non-metallic minerals with Mohs hardness ≤9.3, from soft to medium-hard materials
Working Principle
The working principle of the High Pressure Grinding Mill is based on the combined effect of centrifugal force and high-pressure springs. The whole process consists of the following steps:
1. Feeding
Material is crushed by a jaw crusher to ≤30mm, then lifted by a bucket elevator into a raw material silo, and uniformly fed into the main unit's grinding chamber by an electromagnetic vibrating feeder.
2. High-Pressure Grinding
When the main unit operates, the main shaft drives the roller assembly. The grinding rollers tightly press against the grinding ring under the dual action of centrifugal force and high-pressure springs, with significantly higher grinding force than traditional Raymond mills. The material is scooped by shovel blades and thrown between the rollers and the ring, where it is crushed and ground into fine powder. The high-pressure spring device increases grinding force by 30%-50%, making it especially suitable for medium-hard materials.
3. Classification
The ground powder rises with the airflow from the fan to the high-efficiency classifier. The classifier controls the final fineness (adjustable from 80-600 mesh) by adjusting the speed of the classifying rotor. Powder that meets the fineness requirement passes through the classifier to the collection system; coarse powder is rejected and falls back into the grinding chamber for regrinding, forming a closed circuit.
4. Collection & Dust Removal
Qualified powder enters a pulse baghouse filter and is collected by filter bags. The finished product is discharged via a discharge valve and conveyed by a screw conveyor to the finished product silo or packaging machine. Purified exhaust gas is discharged at compliant levels. The entire system operates under negative pressure, preventing dust leakage.
5. System Features
The high-pressure spring device allows adjustable pre-pressure to suit materials of different hardness.
An air volume control valve between the fan and the main unit allows adjustment based on material characteristics and fineness requirements.
Longer service life for grinding rollers, extended maintenance cycles.
Technical Parameter
| Model / Series | Roller Qty (pcs) | Roller Size (D×H, mm) | Ring Inner Dia. (mm) | Max Feed Size (mm) | Output Fineness (mesh) | Capacity (t/h) | Total Power (kW) | Overall Dimensions (L×W×H, mm) |
|---|---|---|---|---|---|---|---|---|
| YGM-65 | 3 | 210×150 | 650 | ≤15 | 30-425 (0.613-0.033 mm) | 0.4 – 1.8 | 15 | 4100×3300×4500 |
| YGM-75 | 3 | 260×150 | 780 | ≤15 | 30-425 (0.613-0.033 mm) | 1 – 3 | 18.5 | 4300×3500×5100 |
| YGM-85 | 3 | 270×140 | 850 | ≤15 | 30-425 (0.613-0.033 mm) | 1.8 – 3.5 | 22 | 4500×4500×5200 |
| YGM-95 | 4 | 310×170 | 950 | ≤20 | 30-425 (0.613-0.033 mm) | 3 – 5 | 37 | 7100×5900×7900 |
| YGM-130 | 5 | 410×210 | 1280 | ≤25 | 30-425 (0.613-0.033 mm) | 5 – 10 | 75 | 7800×8000×9700 |
| YGM-160 | 6 | 450×280 | 1600 | ≤30 | 30-425 (0.613-0.033 mm) | 8 – 20 | 132 | 9200×7200×9700 |
Why Choose Us
Higher Grinding Force, Finer Powder: The high-pressure spring device increases grinding force by 30%-50%, enabling the processing of medium-hard materials (Mohs ≤9.3) to achieve final fineness of 80-600 mesh (800 mesh for some materials) with concentrated particle size distribution.
Higher Output, Lower Energy Consumption: Output increased by 15%-30% and energy consumption reduced by 10%-20% compared to traditional Raymond mills at the same fineness, significantly lowering production costs per ton.
Wear-Resistant & Durable, Low Maintenance Cost: Grinding rollers and rings made of high-manganese or Ni-hard alloy, service life 10,000-15,000 hours; long replacement cycle for wear parts such as shovels, easy maintenance.
Environmental Compliance, Clean Production: Fully enclosed negative pressure system + high-efficiency pulse baghouse filter, dust emission <20mg/Nm³, clean workshop, meeting international environmental standards.
Global Service Experience: Exported to over 50 countries and regions including the US, Russia, India, Vietnam, Indonesia, Egypt, Brazil, and Morocco; overseas installation, commissioning, and training available.
EPC Turnkey Service: One-stop solutions from raw material testing, process design, equipment manufacturing to installation, commissioning, and personnel training.
Choose the High Pressure Grinding Mill to improve your powder processing efficiency and expand into medium-hard material processing markets! Contact us today for professional selection advice and a customized solution.
Get Your Customized Solution:
Request a Quote → Tell us your capacity requirement, material type, and target fineness, and we will respond within 24 hoursSchedule a Technical Discussion → Speak one-on-one with our grinding engineer
Company Profile
Kolev Equipment Technology Co., Ltd. is a large-scale private technology enterprise. The company is committed to the research and development, production and sales of technical equipment for the mining and metal ore industries. It has been deeply involved in the ultra-fine grinding, industrial drying and crushing sand making industries for many years. We can provide you with Provide intelligent solutions and mature supporting products, focusing on the development of various powder equipment, complete powder production lines, drying production lines, sand and gravel line equipment and projects.Products are sold to 160 countries and regions and are well received by customers.
Kolev Equipment has always been adhering to the business philosophy of surviving by quality and developing by credibility, striving to win the trust of customers with high-quality products and perfect after-sales service, and create a brilliant future for Kolev.
