1. Core Equipment Specifications
Equipment | Technological Innovation | Key Parameters |
JT5-2 Jig | Dual-layer PU screen | Capacity: 20-100 t/h Power: 0.78kW·h/t |
STBL60 Centrifugal Concentrator | Dynamic G-force adjustment Alumina ceramic lining | Feed size: 0.02-2mm Water consumption: 2.5-4m³/h |
6S-4500 Shaking Table | WC-Co riffles | Recovery limit: 0.037mm Stroke: 8-22mm |
2. Process Economics Analysis
2.1 Four-Stage Recovery Flow
A[ROM (0.8g/t Au)] –> B(Trommel Screening)
B –> C(Primary Jigging)
C –> D(STBL60 Centrifugal Concentration)
D –> E(6S-4500 Shaking Table Cleaning)
E –> F(Concentrate Dewatering)
2.2 Cost-Benefit Metrics
Indicator | Conventional Process | Upgraded Solution | Improvement |
Processing Cost ($/t) | 8.2 | 5.8 | -29.3% |
Overall Recovery (%) | 85.2 | 93.5 | +8.3pp |
Water Usage (m³/t) | 4.2 | 3.1 | -26.2% |
2.3 Operational Optimization
- The STBL60 increases middlings grade from 0.32g/t to 6.5g/t.
- IoT system reduces water & electricity consumption by 18-24%.
- Ceramic drum extends maintenance cycle to 1200h.
3. STBL60 Operational Protocol
3.1 Parameter Matrix
Slurry Property | G-force | Rotation Speed | Rinse Pressure |
High density (>1.8g/cm³) | 80-100G | 850-950rpm | 0.25-0.35MPa |
Clay-rich (>15%) | 60-80G | 750-850rpm | 0.35-0.45MPa |
Fine particles (<0.1mm) | 100-120G | 950-1050rpm | 0.15-0.25MPa |
Content Value
- Technological Innovation: STBL60 Centrifugal Concentrator achieves breakthrough improvement in fine gold recovery rate.
- Economic Verification: Cost-benefit model based on 2025 real mine data.
- Operation Standardization: Dynamic parameter matrix guides precise equipment control.
- Environmental Compliance: Fully aligns with 2025 new national pollutant discharge standards.
This solution upgrades through equipment replacement and data analysis, constructing a Made-in-China gravity separation system with both technological advancement and economic feasibility, providing a new-generation solution for placer gold mine development.