Huashengming Double Roll Crusher (also known as iron copper gold ores crusher) is indeed a highly specialized and efficient piece of equipment for processing metal ores such as iron,
copper, and gold. It is particularly well-suited for undertaking medium and fine crushing tasks in mineral processing workflows,
capable of reducing ore to the desired particle size and preparing it for subsequent processes like ball milling.
iron copper gold ores crusher
1. Working Principle
The Huashengming double-roll crusher operates on the principle of “material layer crushing.”
Material is uniformly fed through the feeding device between two counter-rotating high-pressure rollers.
Within the roller gap, the material forms a dense layer where particles mutually compress and grind each other,
achieving highly efficient “material-on-material crushing.”
Compared to impact crushing, this static pressure crushing method offers higher energy utilization and reduces over-crushing.
The crushed material develops numerous micro-cracks internally,
which greatly benefits subsequent ball milling processes by significantly enhancing grinding efficiency.
2. Advantages
Significantly Enhances Subsequent Grinding Efficiency
This represents one of its core values when processing iron ore. After being squeezed between its rollers, numerous micro-cracks form within the ore particles. This makes it easier for subsequent ball mills to grind them to the required fineness, substantially reducing ball mill energy consumption and boosting the efficiency of the entire production line. Applications indicate it can reduce the load on subsequent ball mills by over 40%.
Exceptional Wear Resistance and Extended Service Life
To withstand the high abrasiveness of metallic ores, the roll surfaces are cast from high-chromium alloy and undergo specialized hardening treatment. This delivers wear resistance far exceeding standard materials, with a service life over three times longer than conventional rolls. Under severe operating conditions, roll surface durability can reach 20,000 hours or even 6-8 months, effectively reducing maintenance costs and downtime.
Precise Particle Size Control and Energy Efficiency
Hydraulic or mechanical mechanisms enable precise adjustment of the roller gap, allowing effortless control of output particle size (e.g., within 3mm). This slow compression crushing method effectively minimizes the production of excessively fine powder, ensuring uniform final particle size. Simultaneously, its high energy utilization achieves 30%-50% electricity savings compared to traditional ball mill systems.
Intelligent Control and Operational Stability
The equipment features a PLC-based fully automated control system that monitors real-time operational parameters such as pressure, rotational speed, and temperature, enabling precise regulation and fault early warning. The hydraulic system incorporates overload protection functionality: upon encountering uncrushable hard foreign objects, the rollers automatically retract, reset after foreign object removal, and effectively safeguard core components.
Environmental Protection and Adaptability
The enclosed structure effectively suppresses dust leakage, while operating noise remains low (below 85dB). It handles both dry and moist materials with adaptability (wet crushing can be equipped with optional scrapers to prevent roller adhesion), meeting green mining production standards.
