Working Principle
Adopting a double wall drill pipe system:
Compressed air flows down from the inner and outer pipe gaps, driving the down the hole hammer to break the rock.
Rock debris/powder quickly returns to the surface through the central channel of the inner tube (reverse circulation).
The rock sample is separated by a cyclone separator, and the sample is pure and free of wellbore contamination.
Continuous and real-time sampling allows geologists to instantly determine lithology and mineralization.
Main Features
1. Efficient sampling
Reverse circulation rock powder returns directly from the bottom of the hole at a speed 3-5 times faster than conventional coring.
Continuous sampling, strong representativeness, low pollution, suitable for grade control of gold, iron, non-ferrous metals, etc.
2. Fully hydraulic control
Mast lifting, rotation, feeding, walking, leveling, and hoisting are all hydraulic.
Lightweight operation, low labor intensity, and safe construction.
3. Crawler self-propelled
Strong climbing ability, flexible transition, suitable for complex terrain in mountainous and mining areas.
4. Multi functional compatibility
Can also be used for pneumatic down the hole hammer drilling, water well drilling, and anchor/grouting hole construction.
5. High reliability
Key hydraulic components (pumps, motors, valves) are mostly imported brands with low failure rates and easy maintenance.
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Reverse Circulation Drill Rig
BLY-700RC Reverse Circulation Drill Rig
BLY-700RC Reverse Circulation Drill Rig
