Efficient mountain rock drilling machine with multiple specifications
Overview of ST-350 Pneumatic Drilling Rig
350-Meter Water Well Drilling Rig A medium hydraulic/electric rig for 50-350m wells, it suits town water supply, small-industry use & mine auxiliary needs. With 50-120kW power, it drills 15-50m daily, handles sand, gravel & moderately weathered rock. Features intelligent monitoring, safety protection, easy maintenance, and works in -20℃ to 45℃.
ST-350 Pneumatic Drilling Rig Parameter:
| Drilling Depth | 350m |
| Drilling Hole Diameter | 105-305mm |
| Working wind pressure | 1.25-3.5Mpa |
| Gas consumption | 16-55m³/min |
| Drill pipe length | 6m |
| Drill pipe diameter | 89mm |
| Axial pressure | 4T |
| Lifting force | 24T |
| Maximum turning torque | 8900/NM |
| Maximum rotation speed | 85/170r/min |
| Lifting force of small auxiliary winch | 1.2T |
| High leg travel | 1.35m |
| Footage efficiency | 10-35m/h |
| Walking speed | 2.5km/h |
| Climbing degree | 30 |
| Weight | 9T |
| Overall dimension | 5.2×2×2.35米 |
| Engine | Yuchai 91KW |
Core advantages and benefits of 350 meter water well drilling rig
1, Double optimization of depth and efficiency: fast and deep drilling for medium deep holes
Accurate depth coverage: It can meet the demand for centralized water supply wells in rural areas within 200 meters, and can also drill at full capacity up to 350 meters, suitable for medium and deep water well scenarios in small and medium-sized industrial parks and township scale water supply. It can cover multiple depth needs without replacing equipment;
Outstanding drilling efficiency: For sand layers with an average daily drilling depth of 30-50 meters and moderately weathered rock formations with an average daily drilling depth of 15-25 meters, the efficiency is 40% -60% higher than that of small drilling rigs at the same depth. A 350 meter deep well can be completed in 10-15 days, greatly reducing the construction period.
2, Multi layer adaptation: drilling through complex geology
Full layer compatibility: equipped with modular drilling tools (scraper drill, roller impact drill, etc.), combined with mud wall protection/adjustable parameter design, can cope with alternating layers such as sand layers, gravel layers, and moderately weathered rocks, avoiding "stuck drilling" and "buried drilling";
Special geological response: By using anti collapse drill rods, anti adhesion drill bits, and customized mud, the problems of "sticking drilling" in clay layers and corrosion in salt containing layers are solved, ensuring the continuity of deep hole drilling.
3. Comprehensive safety protection: equipped with overload shutdown, drill pipe anti drop, hydraulic explosion-proof valve, to avoid high-risk faults in deep holes. Only 2-3 people are needed per shift, saving 50% of labor costs.
4, Durable and easy to maintain: Long term operation saves time and effort
Weather resistant and durable: stable operation in environments ranging from -20 ℃ to 45 ℃, with a rust prevention level of Sa2.5 for the body, and a lifespan of 5000-8000 meters for core components such as hydraulic pumps and drill rods;
Easy maintenance: The key components come with quick disassembly interfaces, and oil changes and pipeline cleaning only take 2-4 hours. The fault diagnosis system can self diagnose problems without the need for professional technicians.
5, Strong scene universality: applicable to multiple fields
Suitable for centralized water supply in towns and villages (with a population of 500-2000), production water for small and medium-sized industries (with a daily supply of 50-200 tons), auxiliary water wells in mining areas (available in low gas environments), and large-scale agricultural irrigation (for bases over 1000 acres), it is a "versatile" equipment that spans people's livelihoods, industry, and agriculture.
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