CASE STUDY: Gold Mining Efficiency in Africa
Gold mining operations across Africa are often challenged by inefficiencies in material handling, particularly in wet and abrasive environments. In ROM (Run-of-Mine) SAG mill feed systems, uncontrolled water accumulation, material build-up, and maintenance downtime can significantly impact throughput and operational performance.
A critical bottleneck exists beneath feed hoppers, where poor dewatering and unreliable gate systems lead to blockages, excessive wear, and costly downtime.
THE CHALLENGE:
- High moisture content in ore leading to poor flow and blockages
- Inefficient dewatering causing slurry build-up in feed systems
- Frequent wear and failure of conventional gate valves
- Difficult access for maintenance, increasing downtime
- Harsh operating conditions accelerating equipment degradation
- Safety risks during cleaning and manual intervention
LA SOLUCIÓN DE ARANZU:
Aranzu has developed a purpose-built solution specifically for these harsh mining conditions, the Horizontal Dewatering Slide Gate, installed beneath the ROM SAG mill feed hopper conveyor. This advanced slide gate is engineered to improve dewatering efficiency, reduce maintenance, and increase system reliability.
WHAT THE ARANZU SOLUTUON OFFERS:
- Efficient Dewatering: Integrated sump design allows effective drainage of excess water before material transfer.
- Improved Flow Control: Robust slide gate ensures consistent material discharge.
- Self-Cleaning Capability: Internal spray bar system reduces build-up and blockages.
- Enhanced Maintenance Access: Top-mounted inspection hatches simplify servicing.
WHY IS ARANZU UNIQUELY PLACED:
- Expertise in mining-specific materials handling solutions
- Use of Aranzu proprietary wear-resistant materials for extended lifespan
- Focus on modular, maintainable designs tailored for African mining conditions
- Proven understanding of ROM handling challenges in gold mining environments
THE BENEFITS:
The implementation of the Aranzu Horizontal Dewatering Slide Gate delivers measurable operational improvements such as:
- Reduced Downtime: Fully welded construction minimises failure points.
- Extended Equipment Life: Wear-resistant materials outperform conventional steel designs.
- Improved Throughput: Efficient dewatering reduces blockages and ensures consistent feed.
- Lower Maintenance Costs: Easy access and self-cleaning features reduce manual intervention.
- Enhanced Safety: Less need for manual cleaning in hazardous areas.
WHY ARANZU IS THE PERFECT PARTNER IN AFRICA:
- Deep understanding of African mining environments and challenges
- Proven track record in delivering robust, high-performance equipment
- Commitment to innovation and continuous product improvement
- Focus on reducing total cost of ownership for clients
- Strong engineering support and on-the-ground expertise

