| After-sales Service: | Video Technical Support, Online Support, Spare PAR |
|---|---|
| Warranty: | 1 Year |
| Certification: | CE, RoHS, ISO 9001:2000, ISO 9001:2008 |
| Condition: | New |
| Motor: | DC Motor |
| Drill Hole Diameter: | 250-300mm |
| Customization: |
|---|
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Audited Supplier
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| MWT 350 Water Well Drilling Rig Specification | |||
| The hole diameter | 140-325mm | Drill pipe diameter | φ89 φ102 |
| Drilling depth | 350m | Drill pipe length | 1.5m 2.0m 3.0m 6.0m |
| One- time advance length | 6.6m | Rig lifting force | 22T |
| Walking speed | 2.5 km/h | Rapid rise speed | 18 m/min |
| Equipped capacitor | 92kw | Fast feeding speed | 33 m/min |
| Using air pressure | 1.7-3.4 MPA | Hoisting force of winch | 2T |
| Air consumption | 17-36 m3/min | Swing torque | 6200-8500 N.m |
| Swing speed | 66-135 rpm | Equipped with hammer | Medium and high wind pressure series |
| The penetration efficiency | 15-35 m/h | The engine brand | Ychai engine |
Application: Drill Water Wells
Capacity
Hole Diameter : 140 - 325 mm (51/2" - 13")
Maximum Depth: 350 m @ 203 mm (8") diameter
Drilling Method : DTH and Rotary Drilling
Prime mover
Option 1: Use the PTO system and use the transfer gearbox to take the power from the truck engine (290hp/336hp/371hp) to drive the hydraulic system.
Option 2: Use a 92kw diesel engine for the individual configuration of the drilling rig.
Platform Structure
Heavy I and C section welded steel structure covered with 5mm chequered plate
Mast Assembly
The compound drill boom is lifted by double oil cylinders, which increases the lifting force and reduces the transport size.
Mast Overall Length : 8000 mm
Rotary Head Travel : 6600mm
Rod Handling :6m
Centralizer Opening : 14" (355mm)
Mast Raising Cylinder :Mast is raised and lowered by double hydraulic cylinder
Feed System
1 x Double acting hydraulic cylinder with 1:3 rope reeving system
Pull Up Force : 22Tom @ 200 bar
Pull Down Force : 10 - 110Tom @ 200 bar
Pull Up Speed : 18 m/min
Pull Down Speed : 33 m/min
Rotary Head Assembly
Self-developed fabricated steel body with spur gear reduction
and oil bath lubrication, driven by dual hydraulic motors.
Maximum Torque : 8500 Nm
Rotation Speed : 66 - 135 rpm Fine controlled
Hydraulics
2 x Fixed displacement pump for Feed and Rotation
1 x Fixed displacement pump for Mud pump
3 x Fixed displacement pump for Hydraulic cooler, Auxiliary operations and Micro feed.
Maximum System Pressure : 2900 psi (200 bar)
Hydraulic Oil Cooler : 70 gpm
Hydraulic Tank Capacity : 600 litres
Control Panel
Centralized control panel is at rear end of the equipment for convenient view of drill table provided with all necessary gauges, control system and emergency switch. Locking arrangement is
provided for the safety of control panel.
Breakout Wrench
4 x Hydraulic levelling jacks are provided for quick setting andLevelling Jackslevelling with heavy duty telescopic guides. Locking check valves for safety with adequate capacity to withstand load.
Water/ Foam Injection Pump
Hydraulic operated breakout wrench provided for fast breaking of rod joints
Hydraulic operated water injection triplex pump with necessary fittings, pressure regulator, flow regular, check valve and suction filter are provided.
Maximum Flow : 80 Ipm
Maximum Pressure : 40 kg/sq.cm
Single Rod Changer
Manually operated single rod changer to couple drill pipe to Rotary head
Winch
Hydraulic operated auxiliary winch to load drill pipe into rod changer with a lifting capacity of 1 ton.
Welding Machine
Hydraulic driven semi brushless welding alternator is provided for welding casing pipes
Recommended Weld rod size : 2.5 mm to 5 mm only
Weld current : 300 amps @ 60% duty cycle
Optional single phase : 6.0 kVA @ 220v, 50 Hz
Airline Lubricator
A positive acting venturi type inline lubricator is provided for injecting oil to the down hole hammer.
Tank capacity : 15 litres
Working pressure : 350 psi
Recommended Air Compressor
MININGWELL/ATLAS COPCO/LIUTECH
Air Compressor Capacity:
1100CFM - 25 BAR - 309kW engine
1300CFM - 30 BAR - 410kw engine
Mud Pump
Hydraulic operated BW 450 Mud Pump (6" x 6")
Stroke : 6" (152 mm)Mud Pump
Liner size diameter : 6" (152 mm)
Displacement (Max recommended) : 450 L/min
Maximum working Pressure : 3Mpa
Additional Fitments
Night Lights, Tools box, Hammer stand
User Manual
Manual for Operation, Maintenance and Spare Parts
Truck Option
SINO HOWO Truck: 6*4/6*6/8*4
Dongfeng Truck: 6*4/6*6/8*4
Shacman truck: 6*4/6*6/8*4
D Miningwell equips all rock drilling equipment with high-quality friction welded drill rods. The threads, rod bodies and welded joints of the drill pipes have been rigorously processed.
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