Project Overview
WSHT Mining Group supplied a complete mobile crushing and screening system to a limestone quarry operator in the Cao Bang province of northern Vietnam. The system processes 300 tph of limestone to produce multiple aggregate fractions for supply to regional cement plants.
Client Requirements
The client operates a limestone quarry supplying cement manufacturers in the northern Vietnam region. Key requirements included:
- High-capacity production of multiple aggregate sizes
- Equipment that could be relocated as quarry face advances
- Quick setup and commissioning to meet contract obligations
- Competitive operating costs for tender submission
Solution Supplied
Mobile Primary Crushing Unit:
- Tracked jaw crusher 1100×850 mm
- Hydraulic vibrating grizzly feeder
- Discharge conveyor with radial stacking
- dust suppression system
Mobile Secondary/Screening Unit:
- Tracked cone crusher 1300mm
- Triple-deck screen with four product fractions
- Radial stacking conveyors
- Integrated control system
Mobile Stockpiling System:
- Radial stacker for controlled stockpiling
- Variable discharge points
- Integrated weighing system
Mobile Limestone Crushing Solution — Vietnam
Operating Conditions
The quarry operates in mountainous terrain with:
- Altitude: 600-800 meters above sea level
- Material: High-quality limestone, CaCO3 > 94%
- Feed Size: Blasted rock up to 800mm
- Operating Hours: 16 hours per day, 6 days per week
Production Results
- Throughput: 320 tph average (design 300 tph)
- Product Fractions: 0-5mm, 5-20mm, 20-40mm, 40-80mm
- Equipment Availability: 94%
- Product Quality: All fractions meet cement plant specifications
Project Benefits
Mobility: The mobile configuration allowed the plant to follow the quarry face, reducing haul distances and improving operational efficiency.
Quick Deployment: From contract to first production in just 8 weeks — critical for meeting the client's contract delivery schedule.
Operator Training: WSHT provided comprehensive operator training, including safety procedures, daily maintenance checks and basic troubleshooting.
The client has since expanded operations with additional mobile equipment to meet growing demand from regional cement manufacturers.
