River sand suction dredger is self-propelled or non self-propelled, portable river sand dredger machine . The hull uses dismantle and box-like structure, Its dismantle type can be assembly at working place easily and be transported by road, railway and container accordingly, convenient in installation and working place moving from one to another. The power system can be designed to electric system or diesel engine driving system according to customers’ requirements.Equipment on the river sand suction dredger are as bellows: traversing device, cutter ladder lifting device, spuds and deck crane. The working process is as following: the cutter head cut the sand and mud underwater to mixture of slurry, then through dredging pump to the pipeline on river sand suction dredger; at the end the slurry will be discharged by pipeline on land to the required place.
JMD650 5000M3 River Sand Suction Dredger |
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Shijiazhuang Dredging Pump |
Dia. Discharge pipe |
650mm |
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Head |
65m |
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Max. Working capacity |
1100m3/h |
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Discharge distance |
4000m |
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Dredging depth |
18m |
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1885KW |
Mitsubishi |
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Hydraulic Auxiliary engine |
522KW |
Cummins |
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Emergency Generator |
30KW |
WEICHAI |
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Total power |
2437KW |
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Oil Consumption |
365L/H |
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Hull Dismension |
LOA*W*D |
50m×8.8m×2.5m |
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Hydraulic system |
Hydraulic pump |
VICKERS America(Joint-venture) |
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Hydraulic Motor |
Italy SAI technology(Joint-venture) |
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Valves |
REXROTH Germany(Joint-venture) |
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Operating system |
SIEMENS PLC(Imported from Germany) |
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Ladder winch |
Tension |
200KN |
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Swing winch |
Tension |
160KN |
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Cutter Head |
Crown-like |
Φ2200mm |
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Power |
400KW |
River sand suction dredger can pass low bridge easily, the controlling room and rest room are dismountable. Connecting parts for cabin room and deck are easily dismounted joints,.Construction: it consists of three pontoons: one main pontoon and two side pontoons. The pontoons are connected by the connecting pieces and tightened by high intensity bolts and nuts.
Working site of river sand suction dredger: sea, port, lake, and river.Soil conditions: relative hard soil, harden sand, sludge, sea sand, river sand, clay, mud, and so on.
Design
Our river sand suction dredger is designed by senior engineer, who have specialized in dredger building and dredging work for many years, to guarantee they are well-designed and practical.
Cummins Engine
The river sand suction dredger is equipped with world famous powerful Cummins engine, which are famous for its durability, lower oil consumption, standardized accessories and easy maintenance.
Hydraulic system
The most important parts of river sand suction dredger and wheel bucket dredger. The hydraulic system requirements are very high and strict; it’s the main artery of the entire dredger. Lateral traction winches, lifting winch and cutter head of the dredgers are driven by hydraulic motors.An integral hydraulic system includes hydraulic oil tanks, hydraulic pump, hydraulic valve manifold, solenoid valve, hydraulic pipes, hydraulic components, electrical actuator and so on.
Detachable Structure
The river sand suction dredger is detachable, so it is easy to transport when delivering or moving from one working site to another.
Shijiazhuang Pump
Flow passage components use High wear resistant alloy Cr27 to prolonged the pump service life, pump shaft seal use packing seal which is easy to maintain , and anti-friction bearings are from Japanese brand NSK.
Cutter head
For one cutter head, there are 5 blade, 8 teeth equipped on one blade. There is material High chromium. for easy-wearing proof.
Cutter head is driven by hydraulic motor; cutter bearing has lubrication seal-in units.
Do your river sand suction dredger have a test before ex-factory?
Answer:
Yes, it must be. Each river sand suction dredger must be tested very well before ex-factory so that can guarantee river cutter dredger performance at customers' working sites and save the time and cost for customers. Before test we will send invitation letters to the clients to invite them come and do the performance inspection by themselves, after get the clients permission and the river cutter dredger will be transported to the port for loading.
How is the river sand suction dredger transported?
Answer:
There are two ways forriver sand suction dredger being transported, if the sand dredger size smaller than JMD350, it is easy to transported by containers; if the river cutter dredger size is larger than JMD350, it will be transported by bulks. The river sand suction dredger structure is dismuntable and assembled so that can be easy transported by trucks on road.
What kind of service will supply after sales?
Answer:
After river sand suction dredger arrive at clients' working site, we will send two experienced engineers forriver sand suction dredger body assembly and native workers' training. With the assist of ancillary equipment like excavators and cranes , the cutter dredger assembly can be finished within 10days and training can be in one week.