Roller Mill
LHG

Roller Mill

Advantages
  • Lower energy consumption for producing the same amount of materials.
  • High fineness: our roller mills are equipped with high precision classification system, which help guarantee high product fineness. And the particle size distribution of finished product is adjustable.
  • This impact mill is suitable for grinding materials with wide range of size: 325mesh-2,500mesh are all possible.
  • Wear-resistance: the wearing parts for our roller mills are made of wear-resistance composite materials, which feature longer service life.
  • Intelligent operation control guarantees a simple operation and stable performance.
  • Environmentally friendly: the main machine adopted vibration-reduction and noise-cancellation technology; and negative pressure production process effectively avoided dust pollution.
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Parameters
Data \ Model Feed size(mm) Moisture(%) Fineness(um) Capacity(t/h) Main power(kw)
LHG-150 < 10 < 10 2~75 0.5~6.5 75
LHG-300 < 10 < 10 2~75 1~13 110
LHG-450 < 10 < 10 2~75 1.6~19 160
LHG-750 < 10 < 10 2~75 3~30 250
LHG-900 < 10 < 10 2~75 5~50 355
Applications

Our roller mills are primarily used for superfine grinding of various dry powder materials. This kind of grinding mill is extensively used in industries like nonmetal mining, chemical engineering, building material production, metallurgic, new material manufacturing, and food production, etc.
Fibre texture material (Chinese medicine and wood powder, etc.) grinding are also possible.

Applications Applications Applications
Working Principle
Roller mill LHG has the similar working principle to superfine impact mill and jet mill:
  • Feeding and grinding: After the materials are fed into milling chamber, they will be ground into superfine powders by grinding roller.
  • Classification: relatively coarse and fine powders will be separated from each other under the centrifugal force of classification impellers and the draft force of induced draft fans.
  • Collection: Qualified products will be collected and unqualified products will re-enter into milling chamber for second time grinding.
    • Cleaned air will be discharged by induced draft fans.
Process Flow
Flow Chart

1. Bucket elevator
2. Storage hopper
3. Material feeder
4. Roller mill grinding chamber

5. Roller mill classifier
6. Pulse bag-type collector
7. Induced draft fan

Flow Chart

1. Bucket elevator
2. Storage hopper
3. Material feeder
4. Main machine of vertical roller mill
5. Roller mill classifier

6. Cyclone separator
7. Pulsed dust collection
8. Screw conveyor for material feed back
9. Induced daft fan

Flow Chart

1. Bucket elevator
2. Storage hopper
3. Material feeder
4. Main machine of roller mill

5. Roller mill classifier
6. Induced draft fan
7. Pulse bag-type collector

Flow Chart

1. Bucket elevator
2. Storage hopper
3. Material feeder
4. Main machine of grinding mill

5. Roller mill classifier
6. Cyclone separator
7. Dust collector
8. Induced draft fan

Flow Chart

1. Bucket elevator
2. Hopper
3. Metal separator
4. Material feeder
5. Roller mill grinding chamber
6. Roller mill classifier
7. Cyclone separator
8. Pulse dust collector

9. Screw conveyor for back feeding
10. Powder coating machine (surface modification)
11. Cyclone separator Ⅱ
12. Pulse dust collector Ⅱ
13. Draft fan Ⅰ
14. Draft fan Ⅱ

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