1. Cutter suction sand dredger with double dredging pumps for dredging depth 20m underwater

 

 

2. Detailed technical specifications for sand dredger with double dredging pumps

 

Dredging Pump		Dia. Discharge pipe	600mm
		Head	85m
		Working capacity	1500cbm/h
		Discharge distance	2000m
Dredging depth		20m
Main Engine		1740KW	DEUTZ
Hydraulic Auxiliary Engine		920KW	DEUTZ
Emergency Generator		50KW	Cummins Engine
Total Power		2710KW
Oil Consumption		407L/H
Hull Dimension		LOA*W*D	50mx9.75mx2.5m
Hydraulic system	Hydraulic pump	VICKERS America Joint-venture
	Hydraulic motor	Italy SAI technology Joint-venture
	Valves	REXROTH Germany Joint-venture
	Operating system	SIEMENS PLC Imported from Germany
	Ladder winch	Tension	250KN
	Swing winch	Tension	100KN
	Cutter Head	Crown-like	Φ2050mm
		Power	300KW

 

3. Submersible dredging pump on cutter ladder and dredging pump inside engine pontoon

 

 

 

4. Hydraulic cylinder for spud lifting and spud carriage driving

 

 

5. General arrangement for pipeline on sand dredger

 

 

6. General arrangement for Hydraulic pipeline of the sand dredger

 

 

7. General arrangement for main engine and auxiliary engine of the sand dredger

 

 

8. Hydraulic pipeline checking and testing in the main engine pontoon

 

 

9. General arrangement for Hydraulic pipeline in the main engine pontoon

 

 

 

10. Operational room and operational desk on deck

 

 

11. Sand dredger transportation by car in the port

 

 

12. Sand dredger transportation in the working place

 

 

13. Technical specifications for 10 inch to 28 inch cutter suction sand dregder

 

Model	Pipe dia.	Working capacity	Dredging depth	Discharge distance	Total Power
JMD250	250mm	165 cbm/h	6m	800m	187kw
JMD450	450mm	600 cbm/h	12m	1,200m	925kw
JMD500	500mm	1,050 cbm/h	15m	1,500m	1,223kw
JMD600	600mm	1,500 cbm/h	15m	2,000m	2,230kw
JMD700	700mm	2,100 cbm/h	17m	2,000m	3,250kw
JMD500D	500mm	1,050 cbm/h	20m	2,000m	1,517kw
JMD600D	600mm	1,500 cbm/h	20m	2,000m	2,710kw