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ZJ50/3150DB

ZJ50/3150DB rig is drived with 2 sets of CAT3512B+SR4B 1900kVA diesel generating sets. 0~600V AC transduced from 600V/50Hz drive drawworks through 2 sets of 600kW AC motors and drive the rotary table through the other AC motor. The main brake of drawworks is two-sided hydraulic disc brake and the auxiliary brake is vortex electromagnetic brake. 2 sets of SL3NB1300A mud pumps are drived parallelly with G12V190PZL diesel engine separately.

 Features:

1.       Adopts one time raising type, substructure, mast and all equipments are installed at low position, and raise the mast and substructure by the power from the winch.

2.       the rig is drived and controlled with AC frequency conversion, which has its own driller's operation console. The air tube and oil tube adopt quick acting coupling and remarked clearly.

Specifications
Nominal drilling depth
114mm DP
3500~5000 m
 
Open diameter of rotary table
φ952.5mm (37.5” )
127mm DP
2800~4500 m
Qty.× power of diesel engine
2×1310kW
Max.hook load
3150kN (315tf)
Shift of drawwork
1 forward+1 reverse stepless speed
Traveling system
6×7
Height of drilling floor
9m
Dia of wireline
φ35mm
Mast model and height
K Type 44.5m
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