Contact Info
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Sheng'an Building, No. 296 Xinhua Road, Shijiazhuang, Hebei Province
The HBMER Twin Roller Crusher is a new generation crushing solution developed specifically for limestone and dolomite processing. With over 30 units already in successful commercial operation, this innovative crusher combines advanced tooth design with dual screening and crushing functions to deliver superior product quality and operational efficiency.
Twin Roller Crusher for Limestone/Dolomite
How It Works：
The crusher features two parallel, counter-rotating rolls mounted on a heavy-duty frame. Material is fed evenly between the rolls, where it is compressed and sheared to the desired particle size. The adjustable roll gap allows precise control over final product specifications.
Key Advantages：
Proven Performance: Over 30 units in practical production, demonstrating reliable operation and consistent results.
High Qualified Rate: For 4–8 cm particle size (or custom requirements), qualified rate reaches ≥70%, typically exceeding 75%.
Superior Product Shape: Finished material approaches regular polyhedron shape with minimal elongated particles—significantly better than traditional crushers.
Dual Functionality: Integrates both screening and crushing in a single unit, streamlining the production process.
Extended Service Life: Special tooth casting technology delivers strong impact resistance and long-lasting performance.
Anti-Blocking Design: Spirally distributed teeth provide strong biting capacity, preventing material skidding and blocking accidents while prolonging tooth life.
User-Friendly Features: Compact structure, aesthetically pleasing design, adjustable granularity, and easy maintenance.
Technical Specifications：
|
Parameter |
Value |
|
Production Capacity |
150 – 2000 t/h |
|
Feed Size |
Up to 1500 mm (depending on model) |
|
Discharge Size |
Adjustable, 4–8 cm typical |
|
Qualified Rate |
(4–8 cm) ≥70% (normally >75%) |
|
Motor Power |
Customized based on capacity |
|
Application |
Limestone, dolomite, and other medium-hard materials |
Applications：
Limestone crushing for cement plants and lime kiln feed preparation
Dolomite processing for refractory materials and metallurgical flux
Aggregate production for construction
Secondary and tertiary crushing in mining operations
Why Choose HBMER's Twin Roller Crusher?
HBMER's twin roller crusher represents the latest advancement in crushing technology, engineered to deliver:
Higher qualified product rates than conventional crushers
Superior particle shape with minimal fines and elongated materials
Reliable operation with proven anti-blocking technology
Long service life through advanced tooth metallurgy
Flexible configuration to meet specific customer requirements
With over 30 successful installations, HBMER twin roller crushers provide the performance, reliability, and product quality that limestone and dolomite processors demand.
