1. PAINPOINT DRIVEN OPENING

Are escalating operational costs and unpredictable downtime eroding your gold processing margins? For plant managers and engineering contractors, the challenges in gold recovery are quantifiable. Inefficient separation leads to significant precious metal loss, with industry estimates suggesting 515% of fine gold can be lost in traditional sluicing operations. High maintenance cycles on moving parts interrupt continuous processing, while water and energy consumption directly impact your bottom line. Manual operation and cleaning requirements increase labor costs and exposure to operational risk. Are you currently managing these issues: suboptimal recovery rates for fine and flake gold, excessive water usage and site runoff management, frequent component wear in abrasive environments, and high operational labor overhead? The solution requires equipment engineered for precision, durability, and total cost of ownership.

2. PRODUCT OVERVIEW

The modern Centrifugal Gold Concentrator is a highG force recovery system designed for the continuous concentration and recovery of free gold, particularly fine gold that is often lost in conventional gravity circuits. Its operational workflow is a closedloop process: 1) Feed Introduction: Ore slurry is continuously fed into the rotating cone. 2) Concentration: Centrifugal force pins heavier gold particles against the concentrating grooves, while lighter gangue material is fluidized and flushed away. 3) Continuous Operation: The system runs uninterrupted for extended shifts (typically 1224 hours). 4) Automatic Discharge: At scheduled intervals, the concentrator automatically stops rotation, flushing the concentrated gold into a secure collection vessel before resuming operation within minutes. This equipment is highly effective for alluvial/placer operations and hard rock mill gravity circuits as a final recovery stage. Its primary limitation is its design for freemilling gold; it is not a replacement for flotation or chemical leaching for refractory ores.

3. CORE FEATURES

Variable Frequency Drive (VFD) Control | Technical Basis: Precise motor speed regulation | Operational Benefit: Operators can finetune Gforce in realtime to match feed grade and particle size distribution, optimizing recovery without stopping the process. | ROI Impact: Field data shows a consistent 812% improvement in fine gold yield compared to fixedspeed units by adapting to changing feed conditions.

CeramicLined Concentrating Cone | Technical Basis: Ultrahighwear alumina ceramic surfaces | Operational Benefit: Eliminates corrosion and provides exceptional abrasion resistance against silicarich sands and gravels, drastically reducing wearrelated performance degradation. | ROI Impact: Extends liner life by over 300% compared to polyurethane liners, reducing spare parts inventory and changeout downtime.

Automated Discharge Sequence | Technical Basis: Programmable logic controller (PLC) with timed or massbased triggers | Operational Benefit: Allows unattended operation through full production shifts; the system selfcleans in under two minutes, maximizing uptime and security. | ROI Impact: Reduces direct operator labor requirements by approximately 15 hours per week per unit while minimizing material handling losses.

LowVolume Water Injection System | Technical Basis: Precisionengineered fluidizing water channels | Operational Benefit: Delivers optimal particle fluidization with minimal water pressure and volume, ensuring efficient separation without unnecessary dilution or pump load. | ROI Impact: Cuts process water consumption by up to 40% per ton processed, lowering pump energy costs and site water management expenses.

Modular Frame & Feed Distribution System | Technical Basis: Bolttogether, highrigidity steel frame with integrated surge baffles | Operational Benefit: Enables rapid site deployment and easy integration into existing plant layouts; ensures even slurry distribution across multiple units for balanced circuit performance. | ROI Impact: Reduces installation time by 50%, accelerating timetoproduction during plant setup or expansion.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (Basic Concentrators) | Our Centrifugal Gold Concentrator Solution | Advantage (% Improvement) |
| : | : | : | : |
| Fine Gold Recovery Rate (95% recovery across variable feeds| +5 to +10 percentage points |
| Liner Replacement Interval (Abrasive Feed)| 750 1,000 operating hours| 3,000+ operating hours| +200% to +300% |
| Process Water Consumption| ~3040 GPM per unit at high pressure| ~1822 GPM at optimized pressure| Up to 40% |
| Cycle Time (Auto Discharge & Restart)| Manual (1520 min) or basic auto (5+ min)| Fully automated cycle (60% faster restart |

5. TECHNICAL SPECIFICATIONS

Model & Capacity: KCQS48 Industrial Concentrator; Processing capacity of up to 12 tons per hour (dependent on feed density & particle size).
Power Requirements: Main drive motor: 7.5 kW (10 HP), threephase electric motor with IP66 rating.
Material Specifications: Concentrating cone lined with 92% alumina ceramic; structural components fabricated from ASTM A36 carbon steel with industrial epoxy coating; all wetted parts in stainless steel (304/316).
Physical Dimensions: Operating footprint of 2.1m L x 1.8m W x 1.9m H; shipping weight approx. 1,450 kg.
Environmental Operating Range: Designed for ambient temperatures from 20°C to +50°C; suitable for highhumidity environments.

6. APPLICATION SCENARIOS

Alluvial Placer Operation Expansion | Challenge: A West African placer mine was losing an estimated $150k annually in fine gold using traditional sluices alone due to inefficient capture of particles below 150 mesh.| Solution: Integration of two centrifugal concentrators as primary roughers after initial screening.| Results: Plant recovery increased from an estimated ~70% to over 92%. The system paid for itself within four months based on recovered metal value previously lost.
Hard Rock Mill Gravity Circuit Upgrade | Challenge: A quartz vein processing plant’s existing jigandtable circuit had high labor costs, inconsistent performance with fluctuating ore grades.| Solution: Installation of centrifugal concentrators as a final scavenger unit on the grinding cyclone underflow.| Results: Achieved a consistent tailings grade reduction of over 0.5 g/t Au while reducing dedicated circuit operator headcount by two positions.

7 COMMERCIAL CONSIDERATIONS

Pricing tiers are structured around capacity scaleup packages:
Single Unit Purchase: For pilot plants or targeted circuit upgrades.
TwinPack Configuration: Includes common feed distributor frame at a reduced perunit cost.
Full Modular Plant Skid: Integrates concentrators with feed pumps, control panel,and dewatering screen on a single transportable skid.

Optional features include remote monitoring telemetry packages for fleet management,and stainlesssteel construction packagesfor highly corrosive environments.Service packages range from basic commissioning supportto comprehensive annual maintenance contracts covering all wear parts.Financing options include equipment leasing through partnered providersand milestonebased payment plansfor largescale deployments.

8 FAQ

1.Q:What slurry density (% solids) is optimal for feeding this centrifugal concentrator?
A.For maximum recovery efficiency,a feed density between30%45% solids by weightis recommended.Field testing demonstrates this range provides ideal fluidization without impeding gravitational settling within the cone.

2.Q:What downstream equipment do you recommend?
A.The concentrate produced typically requires further upgrading.A small shaking tableor selective mercuryfree amalgamation deviceis standard practice.This createsa final smeltable product directly at site.

3.Q:What are typical installation requirements?
A.The unit requiresa level concrete pad,a threephase power connection,and regulated process water supply.Plant integration engineering drawingsare providedwith each purchase.

4.Q:What does routine maintenance involve?
A.Daily checks involvevisual inspectionof belt tensionand bearing noise.Monthly tasks includeverifying ceramic liner conditionand checking spray bar nozzlesfor clogs.Maintenance downtime averages less than four hours monthly.

5.Q:What training do you provide?
A.We include comprehensiveonsite operational trainingduring commissioning covering startup/shutdown procedures,troubleshooting,and basic maintenance.A detailed operator’s manualwith schematicsis also provided.

6.Q:What warranty applies?
A.We offera standard24month warrantyon manufacturing defectsand major components like the drive motor.Ceramic liners carrya separate12month prorated wear warrantybased on operating hours logged.

7.Q:What lead times can we expect after order placement?
A.For standard configurations,inventory allows shipmentwithin six weeks.For custom skidmounted solutions,fabrication lead times are typically1012 weeksfrom final engineering approval