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Large Pneumatic 350 Meters Borehole Watering Steel Crawler Drilling Rig Machine
ST 350 Pneumatic Drilling Rig Introduction
ST300 is very flexible in difficult roads and can be widely used in many fields such as resource exploration of hydrology wells, coalbed methane, the shallow layer of shale gas, terrestrial heat, etc, and can also be used for coal-mine gas exploitation salvage work.The drilling depth is 350 meters,hole diameter is 325mm,also can do customized design ,with wheels or crawlers.
ST 350 Pneumatic Drilling Rig Parameters
Model | ST 350 Drilling Rig |
Drilling depth | 350m |
Dia.hole | φ140 - 325mm |
Advance Length one time | 6.6m |
Working pressure | 1.7-3.3MPa |
Air consumption | 17-35m³/min |
Length of rod | 1.5m,2m,3m, 6m |
Dia. Of rod | φ89,φ102,φ114 |
Lifting power | 24T |
Rotation torque | 6200-85000N.m |
Rotation Speed | 55-115r/min |
Diesel Engine | Yuchai |
Engine Power | 92Kw/2200rpm |
Travelling speed | 0-2.5 Km/h |
Climb capacity | 30° |
Weight | 9000kgs |
Dimension | 5900x2000x2850mm |
Application | Complicated geological conditions: Rock, Mud, Sand etc. |
Drilling Way | Top drive hydraulic rotary and propulsion, Dth Drilling or Mud Pump Driling |
DTH Hammer | 4",5",6",8",10" Drill hammer or CIR110, 130, 150,170 |
Advantages ST 350 Pneumatic Drilling Rig
The drill machine adopts new hydraulic technology, supporting high torque hydraulic motor rotation and big bore drill hydraulic propulsion, branded multi-cylinder engine-powered two-stage air filter and the intake air compressor designed for hydraulic systems, extend the life of diesel engines. Unique pump design to facilitate maintenance, reduce maintenance costs. Centralized hydraulic control console, easy to operate.