Water Well Drilling Blast Hole

Make:

PRL

Model & Type

PBHD-30, DTH Blast Hole Drilling Rig

Capacity

DTH Drilling

4 inch (101 mm) up to max 50 meters depth.

Drill hole Diameter

4 inch(101 mm)

Drill rod Diameter

3 inch (76.2 mm)

Drill rod Length

3 meter (10 Feet)

Carrier

Crawler Capacity

10 Tonnes

Max. speed of equipment

3.0 kmph

Grad ability

30 degree from horizontal.

Grouser type

Single

Grouser width

310/450 mm

Ground pressure

0.78 kg-f/sq.cm

Type of Drive

Independent Hydraulic Motor for each Track

Drive system

Through planetary gear box with in-built braking.

Prime Mover

The system shall be powered from diesel driven engine with the following capacity.

Engine make

Ashok Leyland or any other reputed make

Rated capacity

50 PS @ 1500 rpm or equivalent

Mast Assembly

Sturdy structural channel mast structure electrically welded.

Mast overall length

5000 mm

Rotary head travel

4000 mm

Centralize opening

6 inch (150 mm)

Feed System

Feed and hoist operation will be achieved by hydraulic motor with chain and sprocket arrangement.

Pull Back

2700 kg-f (30M/Minute)

Pull Down

3500 kg-f (62M/minute)

Hoisting speed

(UP) 35 meter/ minute

Reeving Ratio

1:1

Feed system consists of hold back arrangement to control limit weight on bit, rapid and slow feed arrangement to suit variable ground condition.

Rotary Head Assembly

(Top Head Drive)

Fabricated steel body

Torque

180 kg-m

Rotation Speed

Spindle rpm: 0-100

Hydraulics

Max operating pressure

180 kg/cm2

Hydraulic Tank capacity

350 liters.

Filtration (Nom) Return line

10/25 microns

Cooling: Fin type oil to air.

Control Panel

All Necessary control and monitoring valves and gauges are installed at control panel located nearer to drilling point for driller convenience

Auxiliary

Stabilizer

Model: Hydraulically operated regular type

Cylinder bore diameter

100 mm

Stroke

500 mm

No. Of Jacks

2 Nos.

Boom Lifting, Swing, Tilting, Dumping, Rack Oscillation Cylinders

For raising and lowering and swinging the Mast Assembly

Water Injection Pump

Hydraulically operated triplex water injection pump, for injecting water/foam with necessary piping and flow control valves

Max. Flow

30 liter/minute

Max. Pressure

40kg/cm2

Airline Lubricator

Make

Spinc

Capacity

450 cfm @ 150 psi

Air compressor

Two wheel trolley mounted Air Compressor.

Make

ELGI

Capacity

450 cfm @ 150 psi