350 Meters Depth Pneumatic Water Well Drilling Rig With One Well Per Day
Overview of ST-350 Pneumatic Drilling Rig
Pneumatic water well drilling rig is a device that uses compressed air to drive the drill bit to break rocks and complete drilling operations. Its applicability is mainly based on geological conditions, application scenarios, and engineering requirements
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 |
| Lifting speed | 20m/min |
| Fast forward speed | 40m-min |
| 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 |
| Adaptive conditions | Loose layer and bedrock |
| Engine | Yuchai 91KW |
| Drilling method | top drive hydraulic rotation and propulsion, DTH impactor or Mud drilling |
Applicable geological conditions
1. Hard and medium hard rock layers
Suitable for hard or medium hard rock formations such as granite, basalt, limestone, sandstone, etc., especially with high drilling efficiency in rock formations with developed fractures.
It also has certain adaptability to loose strata such as weathered rock layers, gravel layers, and pebble layers, but it needs to be accompanied by casing protection to prevent hole collapse.
Exploration and development of aquifers
Commonly used in areas with abundant groundwater, such as alluvial plains, river terraces, and sloping plains in front of mountains, it can quickly locate aquifers and form wells.
2. Application scenarios
Civil and industrial water supply
Construction of domestic water wells and small water supply plant water source wells in remote areas such as rural and mountainous areas.
Drilling of self owned water source wells for industrial production (such as mines and factories).
3.Agricultural irrigation
The construction of irrigation wells in farmland, orchards, greenhouses, etc. is particularly suitable for groundwater development in water scarce areas.
Geological Exploration and Scientific Research
Shallow drilling sampling in geological exploration, hydrogeological investigation, and engineering geological exploration to obtain data on formation lithology, groundwater parameters, etc.
Disaster relief and emergency water supply
Rapid excavation of temporary water source wells after disasters such as earthquakes and floods to meet short-term emergency water needs.
Special environmental homework
High altitude/remote areas: No need to rely on the power grid, can be powered by an air compressor, suitable for areas with low electricity or inconvenient transportation (such as plateaus, deserts, jungles).
Water scarce environment: Pneumatic drilling rigs are powered by air, reducing dependence on water resources, and have significant advantages in arid areas.
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