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Customized solution: Xinhao XH-1800 drilling rig becomes exploration tool for Ghana's Namutini Gold Mining Development Company

1. Background of Demand Alignment

During the 2024 China International Mining Congress, the Namutini Gold Mine in Ghana (a core overseas project of Shandong Gold Group and one of the largest gold mines in West Africa) established contact with us through the on-site operation demonstration of drilling rigs. The client clearly stated their core requirements: adapting to Ghana's tropical desert climate (high temperature of 45℃+, strong sandstorms), meeting the demand for 300-meter deep gold mine exploration, and suiting transportation on simple roads in the mining area (width ≤ 2.5m).

2. Details of Scheme Communication

● 3 Cross-border Video Conferences: Combined with the geological samples provided by the client (quartzite hardness of Grade 8), the R&D team customized a scheme of "wear-resistant drilling tools + dust-proof hydraulic system".

● On-site Working Condition Verification: 2 technical engineers were sent to the Ghana mining area for investigation. The road bearing capacity was measured (≤ 5 tons/㎡), and the lightweight design direction of the drilling rig was determined.

● Final Confirmation: A contract was signed in December 2024, specifying that the equipment must have the capability of "48-hour continuous operation + rapid relocation" and be supported with 2-year on-site maintenance services.

Customized Materials: Adapting to Extreme Environments in Africa

The main frame of the drilling rig adopts Q690 high-strength alloy steel to resist the impact of strong sandstorms in the desert.

The drill pipes are made of 42CrMo quenched and tempered alloy steel, suitable for hard rock formations in gold mines, with a single load-bearing capacity of 12 tons.

The surface coating uses a double-layer fluorocarbon wear-resistant coating, which has passed a 1,500-hour salt spray test and is resistant to desert UV aging.

The electrical components adopt IP67-level dust-proof and waterproof modules to isolate sandstorm intrusion and adapt to the dusty environment of the mining area.

The hydraulic pipelines use high and low temperature resistant fluororubber hoses, which can withstand a temperature difference of -10℃ to 60℃ and avoid high-temperature bursting.

Dimension Sketch: Adapting to Transportation and Operation Scenarios (Text Description)

1. Model Selection

XH-1800 full-hydraulic wireline core drilling rig, equipped with Weichai 200 engine, Kawasaki 140 piston pump, Elephant 250 mud pump, and the tower lifting height is 9.5 meters.

2. Dimension Parameters

Overall expanded dimensions: Length 7.2m × Width 2.4m × Height 9.0m (when the drill tower is raised);

Transport folded dimensions: Length 5.8m × Width 2.4m × Height 3.2m (after the drill tower is retracted, suitable for 20-foot containers);

3. Sketch Optimization Process

First draft feedback: The client requested the addition of a motor to provide power for water pumping.

Final draft confirmation: A 13kW hydraulic oil generator was added.

Production: Targeted Tackling of Desert Adaptation Requirements

1. Special Production Plan

Production cycle: 15 days, 12% shorter than standard orders;

Priority of core processes: Drill pipe quenching and tempering treatment → Dust-proof component production → Whole-machine modular pre-assembly.

2. Key Process Control

Drill pipe processing: Precision turning with CNC lathes (diameter tolerance ±0.05mm), followed by "quenching + high-temperature tempering" treatment, with hardness reaching HRC35-40.

Packaging: Adapting to Multimodal Transportation Scenarios in Africa

1. Pre-packaging Protection

Component disassembly: Disassembled into "drill tower + machine body + drill pipes + accessories". Drill pipes are sleeved with wear-resistant rubber hoses and bound with PVC tape (4 pieces per group);

Vulnerable parts protection: Electrical control cabinets are placed in waterproof and anti-static boxes (with built-in moisture absorbents + buffer foam), and labeled with "Center of Gravity Upwards".

2. Customized Solid Wood Box Packaging

Wooden box standards: Using ISPM 15-certified larch, with a main structure of "well-shaped beams + frame type". The spacing between bottom load-bearing beams is 50cm (load-bearing capacity up to 3.5 tons/㎡);

Moisture-proof treatment: The inner layer is wrapped with 0.15mm PE film, and the box body is reserved with ventilation slots to control the internal humidity below 60%.

3. Container Reinforcement

8 sets of rubber shock-absorbing pads (Shore hardness 60A) are laid on the bottom to absorb bumps during road transportation. The machine body is bound with 16mm galvanized steel cables in an 8-point manner and locked with container card slot bolts.

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