RockPeak / Metal mining
Fine Crushing Circuit Upgrade for an African Gold Mine
Africa / Metal mining / Project year: 2025
Project at a glance
- Region
- Africa
- Industry
- Metal mining
- Year stated
- 2025
- Equipment stated
- RP-CC-300 Cone Crusher
Customer identity is withheld pending publication permission. Project facts are source-reported.
The operating context
The supplied account describes a gold-mine project in Africa where hard ore, low efficiency of the existing fine crusher and frequent stoppages constrained the processing plant. An RP-CC-300 cone crusher was introduced into the fine-crushing upgrade and operated with the existing secondary stage, considering equipment selection together with the material interfaces before and after it.
Understand the upgrade through the fine-crushing bottleneck
Fine crushing operates near the end of the crushing circuit, and fluctuations can disrupt continuous feed to later processing. With hard ore, selection needs to consider abrasiveness, upstream discharge grading and target products rather than nominal output alone. Where the old equipment stops frequently, distinguish wear, unstable feeding and mismatched stage capacities, rather than using a larger motor to conceal an existing process problem.
Match cone crushing to secondary and fine duty
The RP-CC-300 is described for secondary or tertiary reduction of medium-hard and hard ore, with a laminated crushing chamber, hydraulic clearing and overload protection. The source lists maximum feed of 215 mm and capacity of 90–260 t/h. Project configuration still depends on actual upstream gradation, feeding and screening load. The upper end of the equipment range is not a complete-line production target.
Commission the relationships between stages
The account states that the equipment was installed and started in 2025, with integrated commissioning and capacity calibration. Similar upgrades should check whether feeding remains continuous between upstream crushing, conveying and fine crushing, and whether discharge changes overload screens or later stages. In a closed circuit, monitor the return-material proportion because circulating load consumes capacity and changes the effective throughput of new feed.
Evidence and image context
Verified project photographs, customer permission and signed acceptance or measured operating records have not been supplied. The supplied archive cover is not used here as proof of site identity or equipment configuration. Project-photo use is paused pending a confirmed correspondence.
Evaluate throughput together with particle size
The project material reports an approximately 25% increase in throughput, more stable product grading and reduced equipment downtime. Supporting production logs and acceptance records have not been supplied. These observations describe the operating conditions of that project and are not a guarantee for other mines. Keep feed changes, operating time and measurement methods comparable when evaluating an upgrade, and record output, particle-size distribution and causes of maintenance stoppages separately.
Discuss your project requirements
Share your material, feed size, target output, finished-product grades and project location. Technical scope and commercial terms need agreement.
Preview only. This form validates locally and does not send information.