DMingwell Company offers comprehensive OEM services for their reverse circulation water well drilling rigs, including the RD400 model, to meet diverse customer needs. They specialize in customization, tailoring rigs to specific operational challenges such as difficult terrain or complex rock formations.
The RD400 Truck-Mounted Reverse Circulation Water Well Drilling Rig stands out as a robust, adaptable apparatus for effective and accurate drilling tasks across diverse landscapes. The cutting-edge setup and hydraulic drive mechanisms render it ideal for uses like geological surveying, boreholes, borehole drilling, well monitoring, and installation of ground-sourced heat pumps.
Principal Characteristics and Advantages
1. Prosthetic Mobility and Durability
Constructed on a sturdy HOWO truck framework, the RD400 is renowned for its dependability and versatility on demanding landscapes. This guarantees seamless transportation to drilling locations, even in isolated or rough terrains. The rig's sleek build facilitates effortless mobility while preserving its robust operational capability.
2. Advanced Reverse Circulation Technology
The rig employs a reverse circulation drilling system, an innovative approach ideal for efficient slag removal and accurate geological sampling. This system uses a double-pipe setup: compressed air enters through the outer pipe to drive the hammer, while drill cuttings and dust are discharged through the inner pipe. This method reduces contamination, improves sampling accuracy, and enhances drilling efficiency.
3. Superior Power and Efficiency
Equipped with a Weichai 340HP engine and an S125T air compressor, the RD400 delivers robust power and a steady supply of compressed air. This combination ensures smooth operation, high impact energy, and effective dust collection, even in deep-hole drilling tasks.
4. Comprehensive Hydraulic Systems
The RD400 features a fully hydraulic-driven system that automates key operations such as walking, rotating, feeding, lifting, and rod handling. The hydraulic drive minimizes manual labor, reduces operator fatigue, and significantly improves construction efficiency and quality. The system also supports adjustable shaft pressure, feed speed, and rotation speed, allowing precise control based on the specific requirements of each project.
5. Enhanced Stability and Loading Capability
Four hydraulic outriggers on the rig provide stability during its use, guaranteeing both safety and precision. Furthermore, using a self-loading system removes the requirement for outside lifting gear, easing the setup process and cut down on the preparation duration.
Technical Specifications
- Drilling Diameter: 90–350 mm
- Drilling Depth: Up to 400 meters
- Drilling Angle: 45°–90°
- Engine: Weichai 340HP (PTO)
- Lifting Force: 24 tons
- Rapid Hoisting Speed: 30 m/min
- Feed Range: 3,600 mm
- Slewing Torque: 8,000/4,000 N·m
- Slewing Speed: 70/140 rpm
- Tool Winch Lifting Force: 1.1 tons
- Recommended Drill Pipe Diameter: 89/102/114 mm
- Weight: 23,350 kg
- Dimensions: 13,830 × 2,550 × 3,685 mm
Applications
The RD400 is engineered with various applications, encompassing:
- Geological Exploration: Enhances precise sampling techniques by collecting cyclone separator slag.
- Water Well drilling: Proficient in penetrating both deep and wide wells with tunable configurations.
- Ground-sourced Heat Pumps: Facilitates the boring into geothermal energy systems.
- Well-Monitoring Options: apt for overseeing environmental and hydrological aspects.
Operational Benefits
- Flexibility: Capable of alternating between reverse and positive circulation drilling methods.
- Automation: Optimizes the functioning of hydraulic systems, thereby minimizing both downtime and labor expenses.
To summarize, the RD400 Truck-Mounted Reverse Circulation Water Well Drilling Rig provides unparalleled efficiency, adaptability, and performance in various drilling scenarios. With its sturdy structure, sophisticated hydraulic mechanisms, and reverse circulation technology, it stands as an indispensable resource for drilling industry experts.
