ZJ40/2250L Drilling machine
Specifications
1. Nominal drilling depth φ127mm drilling pipe 2000゛3200m
φ114mm drilling pipe 2500゛4000m
2. Max. hook load 2250KN
3. Rated power of drawworks 735kw
main brake hydraulic disc brake
auxiliary brake DS40 eddy current brake/236WCB
4. Hoisting wire lines 5〜6 lines
5. Dia. of drilling line φ32mm(1¨/4≦)
6. ID. of swivel stem φ75mm (3 ̄)
7. Model and No. of mud pumps F-1300 /2 sets
8. Opening of rotary table φ698.5mm(27¨/2≦)
9. Type of mast and its effective height K type / 43m
10. Height of drilling floor 7.5m
Clear Height under rotary beam 6.3m
11. Transmission of power AC-SCR-DC
13. Diesel engine
No. of generators and power 2〜1200KW
type of diesel engine CAT 3512B DITA
speed 1500r/min
frequency / volt of generators 3 phases/ 50HZ / 600V
14. Auxiliary diesel engine 1〜400KW
type of diesel engine VOLVO
speed 1500r/min
frequency / volt of generators 3 phases/ 50HZ / 400V
15. Compressed air pressure 1MPa
16. Mud high pressure manifold 4≦〜35 MPa
17. Total capacity of mud circulation system 280 m3
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