Suitable Materials
Often considered for coal, limestone, coke, shale, clay, slag and similar brittle materials.
Crushing Equipment
Double Roll Crusher for Coal, Limestone and Medium-Hard Materials
Double roll crusher may be used for controlled crushing of coal, limestone and selected medium-hard materials. The final choice depends on material hardness, moisture and output requirement.
Four details make the quotation more accurate.
For industrial equipment, one product name can include many model options. These details help reduce wrong model recommendations.
- Material
- Hardness, moisture and abrasiveness affect equipment direction and wear parts
- Coal, limestone, coke, shale, slag
- Feed size
- The equipment opening or processing range must match the material size
- Before crushing or before grinding
- Capacity
- Capacity affects equipment size, motor power direction and line configuration
- For example: tons per hour or tons per day
- Output requirement
- Final size or fineness affects whether extra screen, crusher or classifier is needed
- Stone size, powder fineness or grinding requirement
Selected double-roll model references
| Model reference | Roll Ø × length (mm) | Max. feed (mm) | Discharge (mm) | Catalog capacity (t/h) | Motor power (kW) |
|---|---|---|---|---|---|
| 2PG400×250 | 400 × 250 | 25 | 2–8 | 5–15 | 11 |
| 2PG610×400 | 610 × 400 | 70 | 5–20 | 8–30 | 15×2 |
| 2PG900×900 | 900 × 900 | 40 | 5–20 | 15–55 | 30×2 |
| 2PG1200×800 | 1200 × 800 | 80 | 2–12 | 18–45 | 37×2 |
| 2PG1200×1000 | 1200 × 1000 | 80 | 2–12 | 20–55 | 45×2 |
Catalog references support an initial model discussion, not guaranteed output or identification of the pictured machine. Confirm material, capacity, output requirement and site condition before selection. The full original sheet remains available below.
Application and process position
Common Users
Coal processing users, small crushing plants, building material plants and equipment dealers.
Typical Position
Used as a secondary or fine crushing option before screening or conveying.
How the rollers control the discharge
Opposing rotation
Motor transmission through V-belts drives the two rollers in opposite directions to crush the feed.
Roll clearance
Clearance is adjustable within the specified range to control discharge particle size.
Body and safety spring
The original catalog identifies the body, rolls and safety spring as the principal assembly.
Technical documentation
Technical sheet / original catalog
Double-roll Crusher Technical Sheet
- Source
- Zhongji original catalog / manual, printed page 14
- Revision / date
- Not stated in the original catalog
Model and parameter reference. View the original page for all model entries and source context.
Catalog / supporting media
Double Roll Crusher Catalog Reference
- Source
- Zhongji product archive
Double Roll Crusher: send material, feed size, capacity and output requirement for model discussion.
Ask about Double Roll Crusher
Prepare the data for model selection.
Send the material, feed size, capacity and output requirement for model discussion.
Material:Feed size:Capacity:Output requirement:Country:New project or replacement: