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Steel Crawler Chassis Engineering Drilling Rig With Mud Reverse Circulation

Shandong Geological & Mineral Equipment Ltd. Corp.

Steel Crawler Chassis Engineering Drilling Rig With Mud Reverse Circulation

Brand Name : JINLUDI

Model Number : GF200C

Certification : CE

Place of Origin : China

MOQ : 1 set

Supply Ability : 2 sets per month

Packaging Details : nude

Price : negotiate

Delivery Time : 15-20 days

Payment Terms : T/T, L/C

usage : infrustructure pile

drilling tech : mud reverse circulation

mump type : impeller

cralwer chassis : steel,20 tons

hole diameter : 450-2000mm

diesel generator : 64kw

rod : 168*2000mm

bit : 3-drag bit

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steel crawler chassis reverse circulation infrustructure pile engineering drilling rig

GF200C is a crawler-chassis type mud-reverse-circulation drilling rig. It uses high-power impeller pump to pump mud and stone from hole end which can increase the work efficiency a lot. This model is suitable for infrastructure pile of road, bridge, railway, building, and farm water well as well. it can work in soil, sand, gravel layer and soft rock.

The reverse circulation drilling technology using sand and gravel pump ( centrifugal pump ) to create negative pressure in the inner cavity of drill pipe to make the liquid j 2 litres in the inner cavity of drill pipe is called pump suction reverse circulation drilling. The pressure of the driving liquid is generally less than one atmosphere pressure ( 0.1 MPa ), so it is efficient in shallow holes. When the hole depth is more than 80m, the suction efficiency decreases rapidly. Bored piles are generally shallow, and the strata are mostly quaternary loose soil, sand layer and gravel layer. Reverse circulation drilling is performed by pumping, and the drill bit presses people and rotates. once the formation is stirred, the drilling residue is quickly carried out of the hole by the circulation medium. therefore, the drilling efficiency is very high, the quality of the hole formation is good, the drill bit has a long life, low power consumption and low cost. In bedrock strata, it is also easy to discharge slag and has high efficiency. The diameter of bored piles in China's pumping reverse circulation drilling construction can reach 0.6 - 25 meters, and a record of 6 meters in diameter has been set.

Feature:

1.truck chassis is DONGFENG brand 4*2 drive.

2.168mm diameter rod is equipped.

3.2 sets of electric motor to drive spindle and pump.

4.Gantry tower up-down is controlled by hydraulic system.

Parameter:

Drilling depth Max 250m
Drilling hole diameter 450-2000mm
Spindle speed 11 r/min
Spindle power (5.5-7.5kw)*2 set
Spindle torque 12000Nm
Hoist Lifting capacity 15 tons
Impeller pump 200m3/h, 30kw

Diesel generator

Model 4105-6015
Rated power 64kw
Rated speed 1500r/min
Rated voltage 380v
Rated current 115A
Rod 168*2000mm
Dimension 9000*2400*3300mm
Weight 13 tons
Truck chassis DONGFENG 4*2

Steel Crawler Chassis Engineering Drilling Rig With Mud Reverse Circulation


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