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Jet Suction Sand Dredger for Sale / Dredging Equipment
Jet suction dredger through high pressure jet watercolumn to disperse the ore body, marine engine con.trolled by the frequency converter drives suction pump tomake a vacuum, the mixed medium is sucked into thepump then sent to the platform, fined (according to therequired Dia,) into the distribution, through the distribu-tion into the gold-election equipment. The selected con-centrate is transported to the destination by transferpump, and the waste flows through the chute to the sideof the beneficiation platform. Operation room is equippedwith AC and monltor.
| model | HJ-J100 | H-J200 | H-J300 | H-J400 | H-J500 | HJ-J650 | HJ-J750 |
| Dredger LOA | 27.0m | 29.0m | 30.0m | 33.0m | 36.0m | 39.0m | 39.9 |
| Hull Size(LxBxH) | 23.0*4.0*1.4m | 25.0*4.6*1.4m | 26.0*4.6*1.8m | 32.0*6.4*2.0m | 32.0*6.4*2.0m | 35.0*8.0*2.4m | 35.0*8.0*2.4m |
| Structure | Can be dismantled and re-assemble easlly,box structure,lower dellvery cost | Can be dismantled and re-assemble easlly,box structure,lower,dellvery cost | |||||
| Main Engine Brand | Weichai | Jichai | |||||
| Main Engine Power | 75kw | 88kw | 103kw | 255kw | 330kW | 368kW | 476kw |
| Sand Pump | 8/8" | 10/8" | 12/10" | 14/12" | 14/12" | 16/14" | 18/16" |
| Jet Pump Power | 4kw | 7.5kw | 11kw | 15kw | 18.5kw | 30kw | 37kw |
| Max.Dredging Depth | 9m | 11m | 13m | 15m | 16m | 17m | 18m |
| Dredging Pump Flow | 540m³ | 900m³ | 1370m³ | 2000m³ | 2500m³ | 3250m³ | 3600m³ |
| draught | 0.6m | 0.6m | 1.0m | 1.1m | 1.2m | 1.6m | 1.6m |
| Max. Capacity | 100m³/h | 200m³/h | 300m³/h | 400m³/h | 500m³/h | 650m³/h | 750m³/h |
A Jet Suction Dredger (JSD) is a specialized type of dredging vessel designed for efficient and cost-effective removal of loose, non-cohesive materials such as sand, silt, and gravel from underwater environments. Unlike other dredgers that rely on mechanical cutting or excavation, Jet Suction Dredgers use high-pressure water jets to fluidize the seabed material, making it easier to suction and transport. This method is particularly effective in environments where the material is soft and easily displaced.
Design and Components
The Jet Suction Dredger is composed of several key components that enable its unique dredging process:
High-Pressure Water Jets: The core feature of a JSD is its high-pressure water jet system. These jets are strategically positioned near the suction inlet and are used to loosen and fluidize the seabed material. The high-pressure water breaks up the sediment, turning it into a slurry that can be easily suctioned.
Suction Pipe and Inlet: The suction pipe is connected to a dredge pump and is responsible for drawing in the fluidized material. The inlet is positioned close to the water jets to ensure efficient material uptake.
Dredge Pump: The dredge pump creates the necessary vacuum to suck up the slurry through the suction pipe. It then discharges the material through a pipeline to a designated location, such as a disposal area or reclamation site.
Discharge Pipeline: The discharge pipeline transports the dredged material from the dredge pump to the desired location. The length and diameter of the pipeline depend on the specific requirements of the project.
Positioning System: Jet Suction Dredgers are often equipped with spuds or anchors to stabilize the vessel during operations. Some models may also use dynamic positioning systems (DPS) for greater precision and flexibility.
Control Systems: Modern JSDs are equipped with advanced control systems that allow operators to monitor and adjust the water jet pressure, suction flow, and discharge rate. This ensures optimal performance and efficiency.
Operation
The operation of a Jet Suction Dredger begins with the positioning of the vessel at the dredging site. Once stabilized, the high-pressure water jets are activated, and the seabed material is fluidized. The dredge pump then creates a vacuum, drawing the slurry through the suction pipe and into the discharge pipeline. The material is transported to a designated location, where it is deposited.
The simplicity of the JSD's design allows for continuous operation, making it highly efficient for projects involving large volumes of loose material. The absence of mechanical cutting components also reduces wear and tear, lowering maintenance costs.
Our main products: cutter suction dredger, jet suction dredger, drilling suction sand dredgers, chain bucket sand dredger, amphibious dredger, floating production platform, bucket chain gold/diamond dredger , jet suction gold/diamond dredger, cutter suction gold/diamond dredger, land-use gold/diamond washing plant and other customized products.
With the principles of integrity, mutual benefit, and common development, we have won widespread praise from domestic and foreign customers.
1. Our company signs a long-time after-sale service agreement with customers.
2. We provide rational and practical design according to customers' request.
3. We send engineers to assemble and test the machine within the period as agreed in the contract.
4. Within warranty period, we provide free repair if quality problems emerge.
5. We provide free training of operation and maintenance for customers.
6. We supply high quality accessories in low price.
