HPGM High-Pressure Roller Mill by Huate Magnet
HIGH-PRESSURE ROLLER MILL by Huate Magnet
Boost grinding efficiency by up to 30%+ and eliminate over-grinding with next-generation high-pressure bed comminution technology.
30+ Years of Manufacturing Experience | Customized Engineering Services | Global Mining Footprint
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Industrial Applications of High Pressure Roller Mill
Mining Industry: Suitable for fine crushing, ultra-fine crushing or pre-grinding operations of metallic ores (iron ore, copper ore, lead-zinc ore, molybdenum ore, bauxite, etc.) and non-metallic ores (limestone, dolomite, calcite, gypsum, fluorite, aggregate, etc.), which reduces the load of ball mills and improves the overall grinding efficiency.
Building Materials Industry: Pre-grinding or final grinding of materials such as cement clinker and slag (can replace the operation of ball mills), as well as ultra-fine grinding of finished cement products.
Metallurgical Industry: Resource utilization treatment of blast furnace slag, steel slag, coal gangue and other materials.
High Pressure Roller Mill Dry Grinding Product Overview
High pressure roller mill utilizes advanced high-pressure bed comminution principles. Backed by a high-reliability hydraulic loading system, it applies compressive forces far exceeding the compressive strength of minerals, ensuring high-efficiency ultra-fine crushing, pre-grinding, and final grinding.
High-Pressure Roller Mill Selection Guide
Marking Example: A high-pressure roller mill with a working roller surface diameter of 1400mm and a working roller surface width of 800mm
Marked as: HPGM14080
1.Selected according to the customer’s material properties, it is mainly applicable to various medium-hard ores such as cement, iron ore, copper ore, lead-zinc ore, etc.
2.Iron removal must be fully considered in the roller press crushing process. Iron blocks with a diameter exceeding 10mm are not allowed to enter the roller press. The particle size of the material entering the equipment must be strictly controlled, as large materials will cause huge impact and serious damage to the equipment.
| Specification Model | Roller Diameter (mm) | Roller Width (mm) | Throughput (t/h) | Feed Particle Size (mm) | Installed Power (kW) |
|---|---|---|---|---|---|
| HPGM6030 | 600 | 300 | 8-15 | 10-20 | 2×37 |
| HPGM-120 Series | 1200 | 500-800 | 170-400 | 20-35 | 2x(250-400) |
| HPGM-140 Series | 1400 | 500-1000 | 270-630 | 25-35 | 2x(400-710) |
| HPGM-150 Series | 1500 | 800-1000 | 550-800 | 25-35 | 2x(500-850) |
| HPGM-160 Series | 1600 | 1000-1400 | 760-1200 | 30-35 | 2x(710-1250) |
| HPGM-180 Series | 1800 | 1000-1600 | 700-1700 | 30-40 | 2x(800-1600) |
| HPGM-200 Series | 2000 | 1200-1800 | 950-2000 | 30-50 | 2x(1000-2200) |
| HPGM-220 Series | 2220 | 1400-1800 | 1200-2400 | 30-50 | 2x(1000-2500) |
| HPGM-240 Series | 2400 | 1400-1800 | 1500-2600 | 30-60 | 2x(1600-3000) |
| HPGM-260 Series | 2600 | 1600-2000 | 2800-4000 | 30-60 | 2x(2500-4000) |
| HPGM-300 Series | 3000 | 1600-2000 | 4400-5600 | 30-70 | 2x(4000-5600) |
(For reference only)
| Specification Model | Roller Diameter (mm) | Roller Width (mm) | Throughput (t/h) | Maximum Feed Particle Size (mm) | Main Motor Power (kW) |
|---|---|---|---|---|---|
| HCGM120 Series | 1200 | 500-800 | 200-400 | ≤ 30 | 2x(250-400) |
| HCGM150 Series | 1500 | 600-1200 | 400-900 | ≤ 35 | 2x(450-900) |
| HCGM170 Series | 1700 | 700-1400 | 650-1300 | ≤ 40 | 2x(630-1250) |
| HCGM200 Series | 2000 | 800-1600 | 900-2300 | ≤ 50 | 2x(1000-2240) |
| HCGM240 Series | 2400 | 1000-1700 | 2000-4000 | ≤ 60 | 2x(1800-3150) |
| HCGM260 Series | 2600 | 1200-1800 | 2700-5000 | ≤ 65 | 2x(2500-4000) |
| HCGM300 Series | 3000 | 1400-2200 | 4300-7200 | ≤ 75 | 2x(3550-6300) |
(For reference only)
HPGM Series (Integrated Welded Frame): Designed for small-to-medium production lines, this series features a high-strength, integrated housing structure; it is a standard high-pressure grinding roll unit suitable for small-to-medium applications and finer feed materials.
HCGM Series (Modular Split Frame): Designed for ultra-large-scale mining operations, this series utilizes a modular, bolted assembly design that effectively resolves the logistical bottlenecks associated with the international maritime and overland transport of massive equipment weighing over a million kilograms.
Huate Magnet Advantages of Customized Selection Services
The high-pressure roller mill system for grinding, customized and developed for the specific ore characteristics of each project, has the following main advantages:
◎ Configure the bearing structure and drive system of the high-pressure roller mill according to the ore strength and grindability indicators to ensure the mill operates with ease for the ore.
◎ Select a reasonable roller surface wear-resistant treatment method according to the ore hardness and abrasiveness indicators to ensure the service life of the roller surface.
◎ Determine the optimal grinding fineness based on the ore phase.
High-Pressure Roller Mill Working Principle
◎ Based on the principle of high-pressure bed comminution,two counter-rotating squeeze rollers, supported by a hydraulic system, apply a compressive force far exceeding the compressive strength of the material drawn between the rollers, thus achieving efficient ultra-fine crushing and grinding.
◎ After high-pressure roller grinding, part of the material reaches the required particle size and can be separated in a timely manner through screening, air classification and other methods to avoid over-grinding. The particles that do not reach the target particle size are also filled with a large number of microcracks, which greatly improves their grindability and thus significantly reduces the grinding energy consumption of subsequent processes.
High Pressure Roller Mill Core Technologies
1.The unique anti-material surge and deviation feeding device, the key technology for high efficiency and high output of huate high pressure roller mill
The unique anti-material surge and deviation-correcting feeding device of the high-pressure roller mill effectively controls the stable feeding of materials into the mill, stabilizes the working roller gap and working current of the mill, and prevents the mill from tripping due to material surge caused by silo collapse. Feeding deviation correction is realized through the differential adjustment of multiple feeding valve plates, achieving the balance of the working roller gap, oil cylinder pressure and double-roller current of the high-pressure roller mill, and realizing the overall high efficiency of the grinding process in both spatial and temporal dimensions.
2. High Pressure Roller Mill Safe and Reliable Hydraulic Loading System
The system adopts a dual high-pressure oil source standby mode with extremely high reliability.
The system features fast pressurization speed and good pressure holding effect, ensuring the stable working pressure of the high-pressure roller mill.
The system is designed with multiple buffering structures to absorb the impact load caused by the working condition fluctuations of the high-pressure roller mill and improve the operational stability of the mill.
It can quickly release pressure in case of emergency to ensure equipment safety.
3.Intelligent Main Control System of High Pressure Roller Mill
The main control system of the high-pressure roller mill is the core component for the automatic and intelligent management of the high-pressure roller mill, and the system features
- User-friendly human-machine interface and simple operation;
- One-key start and automatic management;
- Intelligent optimization of operating parameters;
- Automatic diagnosis and treatment of common faults.
4.High-Strength Frame of High pressure roller mill
◎ The frame is divided into modular frame and welded frame, both adopting modular design with high strength, good rigidity, and easy disassembly and assembly.
5.Safe and Reliable Roller Press System with Stud Roller Options
The roller surface can adopt stud rollers with long one-time service life or economical and durable hardfacing rollers.
Large bearing selection with high strength reserve.
Reasonable axial positioning of bearings to avoio axial displacement.
6.Roller System Side Pull System
Adopt modular frame and side pull system. The roller system maintenance is realized by using track+ maintenance trolley + hoisting system, which greatly simplifies the maintenance difficulty of the roller system of large high-pressure roller mills, saves maintenance time, and reduces maintenance equipment and infrastructure investment.
New Coarse Grinding and Preconcentration Process for Iron Ore Industry by Huate
The high-pressure roller mill replaces the traditional third[1]stage fine crushing and first-stage ball grinding. Cooperated with an ultra-fine classification bin and a special dry magnetic separator, it can reduce the feed particle size into the mill to 0.5mm, improve the grade of the feed into the mill, and discard a large number of qualified tailings in advance, perfectly realizing the crushing and grinding concept of “more crushing, less grinding; discard qualified tailings as early as possible”. In particular, it makes the economic development of low-grade iron ore possible.
Grinding of Hard Rock
It is well known that the SAG/AG process generates large quantities of hard, refractory rock, which consistently acts as a bottleneck limiting production capacity; Huate’s high-pressure grinding roll mill(HPGM) has successfully resolved this challenge.
Dry Grinding, Dry Separation and Final Grinding Process System
A brand-new material final grinding process system with ”no ball mill, all dry process” is adopted, which minimizes electricity consumption, steel consumption and water consumption, and is especially suitable for water-scarce areas.
The ultra-fine classification bin and new mining powder separator are perfectly matched with the high-efficiency high-pressure roller mill to realize ball mill-free and water free operation, which is applicable to both iron ore and non ferrous metal industries.
Why Choose Huate Magnet ?
As a leading magnetic separator manufacturer, Huate Magnet integrates the high pressure roller mill with our advanced whims magnetic separator and dry drum systems to deliver a highly efficient solution for magnetic separation for iron ore.
National Recognition: National-level manufacturing single champion product enterprise，highlighting top-tier R&D and manufacturing scale.
World-Class Manufacturing Base: 270,000 square meters of localized industrial manufacturing park, equipped with large-scale CNC machining centers and advanced quality inspection equipment.
Industry Pioneer: Possesses state-of-the-art laboratory testing centers, capable of providing scientific ore testing and running pilot-scale validation for global clients before purchase.
Global Service & EPC Capabilities: Turnkey solutions from laboratory testing, customized design, equipment manufacturing to on-site commissioning and lifetime technical support.
High Pressure Roller Mill FAQ
Q1: What is the maximum feed size for Huate High-Pressure Roller Mills?
A: The feed particle size must be strictly controlled, typically under 10mm. Iron tramps exceeding 10mm must be completely removed via a magnetic separator before entering the roller press to prevent serious equipment damage.
Q2: How does an HPGM save energy compared to a traditional ball mill?
A: HPGM introduces high-pressure bed comminution, which creates a massive amount of microcracks within the mineral particles. This heavily improves the grindability of the material, significantly cutting down energy consumption in subsequent milling stages.
Q3: Can Huate provide dry grinding systems for water-scarce areas?
A: Yes. We offer a ball mill-free and water-free “all dry process” system utilizing our HPGM paired with mining powder separators, widely applicable in both iron ore and non-ferrous industries.
Looking to enhance your plant’s efficiency?
Contact us today for a complimentary engineering consultation. We invite you to ship your mineral samples to our advanced National Key Laboratory for comprehensive grindability and wear testing. Based on the results, Huate experts will configure the ideal, tailored High-Pressure Roller Mill solution to eliminate your capacity bottlenecks.
