The HGM mill specializes in processing non-metallic minerals (e.g., calcite, kaolin) with Mohs hardness ≤6. Utilizing advanced multi-roller rolling + dynamic classification technology, it delivers ultrafine powders from 325 to 2500 mesh (D97≤5μm optional), meeting stringent demands in chemical, building materials, and other industries.
Core features:
Structure and working principle
Core components: main machine (grinding roller, grinding ring, classifier), dust removal system, fan, feeder, pulse powder collector.
Workflow:
Crushing: The material enters the storage bin after being pre-crushed by the hammer crusher.
Grinding: The centrifugal force drives the grinding roller to crush the material, and the three-layer cycle is crushed to a micron level.
Classification: air flow sorting, coarse powder is returned to the mill, and fine powder is discharged through the cyclone collector.
Three-ring/four-ring grinding roller design improves grinding efficiency; variable frequency classifier, one-button adjustment of finished product fineness (quick replacement of classification wheel in 30-60 minutes).
Advantages and Features
Ultrafine grinding, full coverage of mesh number
• Wide range of fineness: 80-2500 mesh, meeting the full scene requirements from building fillers to high-precision materials (such as lithium battery graphite).
• Intelligent adjustment: Through the variable frequency grading wheel or quick replacement of the grading wheel,the fineness can be flexibly switched, saving the cost of multiple equipment investments.
High efficiency and energy saving, doubled production capacity
• Energy consumption is reduced by 40%: the three-ring layered rolling design, compared with the traditional ball mill, the unit power consumption is only 50-80kW·h/ton, and the annual electricity bill of 10,000-ton enterprises is over one million.
• Large processing capacity: up to 20 tons/hour, supporting 24-hour continuous production, and increasing production capacity by 3 times.
Green and environmentally friendly, zero pollution emission
• Fully enclosed dry process: no wastewater, dust emission, noise ≤85dB, easily passed the environmental impact assessment.
• Zero waste of raw materials: 99% finished product conversion rate, residue recycling as building materials, comprehensive utilization rate of 100%.
Intelligent and durable, worry-free maintenance
• Hydraulic adaptive system: real-time pressure monitoring, automatic overload protection, and 70% reduction in failure rate.
Working Principle
Three-ring grinding system: The main motor drives the grinding disc to rotate at high speed. The material is thrown to the edge of the grinding disc under the action of centrifugal force and enters the gap between the grinding roller and the grinding ring to form three-layer crushing:
1、First layer rolling: 3-4 hydraulic grinding rollers crush the material to a millimeter level with great pressure;
2、Circular fine grinding: The crushed material falls layer by layer, and after repeated rolling in the second and third layers, the final fineness reaches 5-45 microns (80-2500 mesh);
3、Dynamic adjustment: The hydraulic system adjusts the gap between the grinding rollers in real time, adapts to materials of different hardness, and avoids overload.
The high-pressure fan sends the powder-containing airflow into the turbine classifier:
Accurate sorting: The high-speed classifying wheel (3000-6000r/min) generates centrifugal force, the coarse particles return to the grinding area, and the fine powder rises with the airflow;
Flexible mesh size: The speed of the classifying wheel can be adjusted by the frequency converter, or the classifying wheel can be replaced (only 30 minutes), and the finished product of 80-2500 mesh can be quickly switched.
Efficient dust collection: 90% of the fine powder is captured by the cyclone collector, and the residual dust is discharged after pulse dust removal and purification (dust concentration more then 20mg /m³).
Technical Parameters
Model
HGM80
HGM1028
HGM1036
HGM1250
Average Diameter(mm)
800
1000
1000
1250
Ringing Roller No.(pcs)
21
27
36
32-44
Roller Ring No.(pcs)
3
3
4
4
Input Size of Main Frame(mm)
≤ 10
≤ 15
≤ 20
≤ 20
Output Size(micron)
5-47
Output Size(mesh)
3250-325
Capacity(t/h)
0.5-6
1.2-10.2
1.2-11.5
2.5-20.5
Motor Power(kw)
Main Grinder
75
110
132
185
Powder Separator
22
30
37
75
Draft Fan
45
75
110
132
Feeder
0.06
0.15
0.15
0.15
Discharge Valve
1.1
2.2
3
Overall Dimension L×W×H(m)
8.6×4.1×6
14.5×3.6×7.5
14.3×4.2×7.5
19.2×4.4×8.5
Any change of technical data will not be advised separately.
