Double Tooth Roller Crusher
It is suitable for crushing of raw coal (gangue containing) in coal, metallurgy, mining, chemical industry, building materials and other industries
- Feed size:80-1050mm
- Productive capacity:7-300t/h
Application:Construction waste, pebbles, bluestones, limestone, granite, basalt and other materials that need to be moved.
Double Tooth Roller Crusher
Introduction
The Hydraulic Double Toothed Roller Crusher is a heavy-duty, high-efficiency crushing machine integrated with advanced hydraulic control technology. Designed for medium and fine crushing of medium-hard to hard materials, it features two horizontally mounted, counter-rotating toothed rollers. Its unique tooth structure combines extrusion, shear, and splitting functions—making it ideal for sticky, high-moisture, and high-mud content materials that conventional crushers struggle to process. Equipped with an intelligent hydraulic system, it ensures safe, stable, and cost-effective operation, trusted by global clients across various industrial sectors.
Double Tooth Roller Crusher
The shape and length of the toothed rollers of the hydraulic double toothed roller crusher can be fully customized according to the customer’s specific requirements for incoming materials (such as material type, hardness, and particle size) and outgoing materials (such as desired discharge particle size and output).
This customizable design ensures that the crusher can be perfectly adapted to different project scenarios, maximizing crushing efficiency and product quality while meeting the unique operational needs of each client.
Main Applications
With its versatile performance and strong adaptability, double toothed roller crusher is widely applied in multiple industrial fields to meet various crushing needs.
Coal Industry: Perfect for crushing raw coal, coal gangue, and coking coal. It solves material adhesion and blockage issues, delivering uniform feed for thermal power plants, coal preparation plants, and coking facilities.
Mining Industry: Suitable for processing bauxite, clay ore, phosphate rock, iron ore, and other ores. It performs reliably with high-mud, high-humidity materials, ensuring efficiency and reducing equipment wear.
Building Materials Industry: Used for crushing limestone, shale, construction waste, and concrete aggregates. It produces high-quality aggregate for concrete, road construction, and building materials—supporting resource recycling and green production.
Chemical & Refractory Industry: Ideal for crushing ceramic raw materials, refractory materials, and chemical ores. It ensures uniform particle size, meeting the needs of chemical and refractory production lines and guaranteeing stable product quality.
Other Fields: Also widely used for processing salt ore, gypsum ore, and biomass waste—adapting to diverse material characteristics and operational requirements.
Core Advantages
Our Hydraulic Double Toothed Roller Crusher stands out in the market with its integrated hydraulic intelligence, robust design, and exceptional adaptability. Below are its key advantages, tailored for global mining, coal, and construction material clients:
1. Intelligent Hydraulic Protection System
Safety First： Equipped with an advanced automatic hydraulic overload protection system. It instantly senses unbreakable materials (e.g., iron blocks), automatically retracts the movable roller to clear obstacles, then resets for continuous operation. This prevents severe damage to shafts and motors, ensuring maximum site safety.
Precision Adjustment： Roller gap is hydraulically adjustable, allowing real-time tuning without stopping the machine. Operators can quickly optimize output size to match specific project requirements.
2. Superior Efficiency & Energy Savings
High Throughput：Utilizes a unique “tooth extrusion & shear crushing” mechanism. The serrated teeth grip materials firmly, delivering a high crushing ratio and stable throughput up to 400 t/h, significantly outperforming conventional crushers.
Lower Energy Consumption： Compared to traditional crushers, it reduces energy consumption by 15%-25%. Its low-rotation, high-torque design minimizes power usage while maximizing crushing efficiency.
3. Unmatched Durability & Low Maintenance
Long-Lasting Rolls：Toothed rolls are constructed from high-chromium manganese steel alloy, offering 3-5 times longer service life than standard rolls. The modular tooth design enables quick, single-person replacement, drastically reducing downtime.
Self-Cleaning Design： The tooth structure naturally prevents material adhesion and buildup on the roller surface. This maintains stable efficiency even when processing sticky, high-moisture materials, eliminating common “blind hole” and “bridging” issues.
4. Excellent Particle Shape & Controlled Size
Cubic Particles： The extrusion-shear crushing process produces dense, cubic-shaped particles with low needle-flake content. This superior particle shape is ideal for high-grade concrete, road construction, and high-value mineral processing.
Accurate Size Control：Discharge size is precisely controlled between 8-50 mm via hydraulic adjustment. This consistency reduces over-crushing and ensures uniform product quality, meeting strict international standards.
5. Wide Adaptability & Environmental Compliance
Versatile Material Handling：Excels in processing coal, bauxite, clay ore, limestone, construction waste, and refractory materials. It thrives with wet, sticky, or high-mud content materials that often plague other crushers.
Eco-Friendly Operation：Features a fully enclosed structure with an integrated dust suppression system. Low noise and minimal dust emission ensure compliance with global environmental regulations, supporting green mining practices.
6. Cost-Effective Total Ownership
Low Lifecycle Cost：With fewer wearing parts, easy maintenance, and extended component life, the crusher delivers significant savings on labor, parts, and energy over its lifespan.
Reliable Performance：Built for heavy-duty, 24/7 operation in harsh mining environments. Its rigid frame and robust components ensure long-term reliability, minimizing production interruptions.
Working Principle
The Hydraulic Double Toothed Roller Crusher works by means of extrusion, shearing and splitting. Driven by the motor, its two horizontally mounted toothed rollers rotate in opposite directions at a constant speed. When materials enter the crushing chamber from the feed inlet, they are first clamped by the serrations on the rollers, then squeezed and sheared between the two rollers. Under the combined effect of the tooth shape and rotational force, the materials are gradually crushed to the required particle size and finally discharged from the gap between the two rollers. The hydraulic system cooperates with the movement of the toothed rollers to ensure stable crushing force, and the roller gap can be adjusted in real time to control the discharge particle size, thus adapting to different crushing requirements.
Technical Parameter
| Model | Max. Feeding Size (mm) | Output Size (mm) | Capacity (t/h) | Motor Power (kw) |
|---|---|---|---|---|
| 2PGC400×250 | 80-100 | 10-50 | 7-15 | 2×(5.5-7.5) |
| 2PGC400×400 | 180-260 | 10-50 | 15-30 | 2×(7.5-11) |
| 2PGC450×500 | 300-500 | 15-100 | 30-60 | 2×(15-30) |
| 2PGC600×750 | 300-600 | 20-120 | 60-100 | 2×(30-45) |
| 2PGC600×900 | 600-600 | 30-150 | 80-120 | 2×(45-55) |
| 2PGC900×900 | 600-900 | 30-200 | 150-200 | 2×(55-75) |
| 2PGC1000×1200 | 700-950 | 30-200 | 180-220 | 2×(55-75) |
| 2PGC1200×1500 | 800-1050 | 30-200 | 200-300 | 2×(90-132) |
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