Precise fine crushing by compression
The HAZEMAG HRM roll mill is designed for the controlled fine crushing of mineral raw materials. It processes materials such as limestone, clay, gypsum, coal, coke and phosphates and enables reproducible product quality under stable operating conditions. The HRM also provides solutions for moist and sticky feed materials. Compression crushing helps reduce fines generation compared with impact-based crushing processes.
The HRM features two smooth, counter-rotating rolls with an adjustable roll gap. Material is drawn into the gap and reduced mainly by compression and shear. This allows products with good to very good particle shape and a narrow particle size distribution to be produced. Hydraulic gap adjustment allows product fineness to be adapted to the application.
The HRM roll mill is used primarily in minerals processing and industrial applications where controlled product fineness and low fines generation are required. Compared with impact crushing, compression can cause less surface damage and produce material that is handled more gently during size reduction. Actual results depend on the material and operating conditions.
Your Advantages of the ROLL MILL HRM at a Glance
- Controlled fine crushing: Two smooth rolls and an adjustable roll gap allow product fineness to be matched to the process.
- Gentle size reduction: Good to very good particle shape and reduced fines generation compared with impact-based crushing processes, depending on the material and operating conditions.
- Hydraulic gap adjustment: Straightforward adjustment of product fineness during operation.
- Robust construction: Designed for continuous industrial operation, with a hydraulically retracting floating roll for overload protection.
- Suitable for moist and sticky materials: Adjustable, replaceable scrapers keep the roll surfaces clean.
175 Years
Engineering
expertise
More than
75,000
installations
worldwide
ROLL MILL HRM for your project directly from HAZEMAG
HAZEMAG develops individual solutions for demanding crushing and processing applications. The HRM roll mill combines controlled product fineness, gentle compression crushing and a robust design for continuous operation.
Technical data for the ROLL MILL HRM
Technical Data | HRM Series
The HRM range is available in several sizes with different inlet and roll dimensions. Throughput and achievable product fineness depend on material properties, feed conditions, roll gap and operating conditions.
ROLL MILL | HRM
| Type | Max. Capacity (t/h) | Inlet Size (mm) | Max. Feed Size (mm) | Rotor Size D x W (mm) | Weight (kg) |
|---|---|---|---|---|---|
| HRM 0505 | 25 | 250 x 515 | 25 | 520 x 510 | 3.750 |
| HRM 0605 | 40 | 200 x 515 | 35 | 680 x 510 | 7.250 |
| HRM 0607 | 60 | 200 x 715 | 35 | 680 x 710 | 8.500 |
| HRM 0610 | 85 | 200 x 1.030 | 35 | 680 x 1.020 | 12.500 |
| HRM 0616 | 125 | 200 x 1.540 | 35 | 680 x 1.530 | 17.500 |
| HRM 0810 | 125 | 300 x 1.030 | 65 | 850 x 1.020 | 20.000 |
| HRM 0816 | 190 | 300 x 1.540 | 65 | 850 x 1.530 | 24.000 |
| HRM 0820 | 255 | 300 x 2.050 | 65 | 850 x 1.530 | 29.000 |
| HRM 1010 | 170 | 400 x 1.030 | 80 | 1.050 x 1.020 | 25.000 |
| HRM 1016 | 255 | 400 x 1.540 | 80 | 1.050 x 1.030 | 30.000 |
| HRM 1020 | 340 | 400 x 2.050 | 80 | 1.020 x 2.040 | 35.000 |
Applications of the ROLL MILL HRM
The HRM roll mill is used for the controlled fine crushing of mineral raw materials, including moist and sticky materials. Its smooth rolls allow a finer product to be produced. The required particle size distribution and throughput are assessed for each application.
Hydraulic gap adjustment is used to set the product size and compensate for wear. Compared with impact-based processes, compression crushing can reduce fines generation and particle surface damage. Adjustable scrapers help maintain reliable operation with sticky feed materials.
Typical Materials
- Limestone, clay and gypsum
- Coal, coke and phosphates
- Other mineral raw materials following application-specific assessment
- Silicon-bearing raw materials following assessment of material properties, wear behaviour and the required end product
After-sales service
HAZEMAG supports your HRM roll mill after commissioning through a global service and support network. The aim is high plant availability, planned maintenance and economical operation throughout the machine’s service life.
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Our Service at a Glance
Order spare parts for the HRM roll mill through HAZparts
HAZparts allows you to order original spare parts for your HRM roll mill directly from the manufacturer, provided your machine is registered on the platform. The HAZEMAG service team can help identify the required parts and assist with machines that are not registered. Availability and delivery times are confirmed individually.
Available spare parts:
- Roll wear parts and scrapers
- Hydraulic components for gap adjustment
- Bearings, shafts, seals and drive components
- Wear and lining plates
Your benefits with HAZparts:
- Convenient online ordering directly from HAZEMAG
- Original components manufactured to the correct machine specification
- Individual confirmation of availability and delivery times
- Technical assistance from the HAZEMAG service team
Your project starts with the right ROLL MILL
Whether you are planning a new installation, an upgrade or a modernisation project, HAZEMAG supports you from the initial technical consultation through to integration of the HRM roll mill into your plant.
Benefit from:
- Individual advice from experienced HAZEMAG specialists
- Machine selection and design based on your material and process data
- Access to relevant technical data and documentation
- Direct contact with the manufacturer and its plant engineering expertise
Configuration of the HRM range
Each HAZEMAG HRM roll mill is configured to suit the material properties, required product size and process conditions.
- Hydraulic gap adjustment for precise setting of the product size
- Automatic overload protection through hydraulic retraction of the floating roll when uncrushable foreign bodies enter the machine
- Adjustable and replaceable scrapers to clean the roll surfaces
- Drive selection based on the material and required throughput
- Continuous compression and shear crushing with energy input matched to the process
- Application-specific design to support efficient use of energy
- Accessible construction for inspection and maintenance
- Maintenance-friendly arrangement of wear components
- Safety provisions matched to the machine configuration and applicable requirements
- Use upstream of further grinding or classification where required by the process
- Adaptation to existing conveying arrangements and process interfaces
- Suitable for new installations and modernisation projects
- Designed for continuous, consistent operation
- Power transmission matched to the required throughput and operating conditions
- Robust construction for industrial applications
Buy a used ROLL MILL directly from HAZEMAG
Used HAZEMAG HRM roll mills offer an alternative to a new machine, subject to availability and application suitability. Before delivery, machines offered by HAZEMAG are technically inspected, refurbished and fitted with original spare and wear parts where required.
Tip: Available used machines vary regularly, from roll mills and roll crushers to hammer mills. Our team will be happy to help you select the right machine.
Your benefits when buying used equipment:
- Technically inspected machines with a documented condition
- Refurbishment using original HAZEMAG spare and wear parts
- An economical alternative where the machine suits the application
- Support with integration, commissioning and service
Discover other HAZEMAG equipment
In addition to the HRM roll mill, HAZEMAG offers other crushers and mills for different process stages and material requirements.
Further information about the ROLL MILL HRM
The HRM uses continuous compression and shear crushing. Matching the roll gap, feed rate and drive to the application supports efficient operation. Actual energy consumption depends on the material properties, required size reduction, throughput and operating conditions.
- Energy input matched to the application
- Reduced fines generation compared with impact-based processes, depending on the material and operating conditions
- Consistent operation supported by a controlled feed rate
The HRM is designed for continuous industrial operation. Protective devices and safety provisions are matched to the machine configuration and applicable requirements. The floating roll retracts hydraulically when uncrushable foreign bodies enter the roll gap, helping reduce the risk of machine damage.
Maintenance and service work must be carried out with the machine safely isolated and in accordance with the operating instructions.
- Automatic opening of the roll gap under overload
- Coupled rocker arms to guide the retraction movement
- Accessible construction for inspection and maintenance
The HRM roll mill can be integrated into a processing line upstream of further grinding, classification or other process stages, depending on the plant design. HAZEMAG assists with matching the material flow and interfaces to the upstream and downstream equipment.
Typical process sequence: Material feed → HRM → Conveying → Further grinding or classification, as required
- Mechanical interfaces with feed and discharge equipment
- Coordination with the plant’s control and operating concept
- Matching of throughput and product size to downstream equipment
The robust design and controlled crushing process support economical plant operation. Investment cost, energy consumption, wear, maintenance and machine availability should be considered together when assessing lifetime costs. HAZEMAG can assist with an evaluation based on the intended duty and operating data.
- Required throughput
- Annual operating hours
- Energy consumption per tonne
- Wear, maintenance and repair costs
Questions and answers about the HAZEMAG ROLL MILL HRM
A roll mill reduces material between two counter-rotating rolls. In the HRM, two smooth rolls draw the feed into the roll gap and reduce it mainly by compression and shear. This principle enables controlled fine crushing with a narrow particle size distribution and often reduced fines generation compared with impact-based processes.
The HRM roll mill is used for the controlled fine crushing of mineral raw materials, including moist and sticky materials. Typical applications include minerals processing and industrial processing operations. The machine is configured to suit the material and required product fineness.
Typical materials include limestone, clay, gypsum, coal, coke and phosphates. Silicon-bearing and other mineral raw materials can also be assessed for individual applications. Key factors include material hardness, abrasiveness, moisture content, feed size and the required end product.
The HRM roll mill uses two smooth rolls and is designed to produce a finer product. The HRC roll crusher is used for other crushing duties and larger feed sizes. Machine selection depends on the material, required throughput and target product size distribution.
Yes. HAZEMAG provides original spare and wear parts and professional service support for the HRM roll mill. Components include roll wear parts, scrapers, hydraulic components, bearings and lining plates. The service team helps identify the required parts and confirms availability and delivery times.
Take the next step with HAZEMAG
Contact us to discuss your HRM roll mill project. Based on your material and process requirements, we will help define a suitable solution for reliable and economical fine crushing.
