1.      marine dredging

product description, dredger manufacturer---Weifang Highling at your dredging project services directly. 

With an area of more than two hundred acres, Weifang Highling owns blanking workshop, gold panning machinery processing workshop, machining workshop, anti-corrosion workshop, general assembly workshop, product debugging and testing center before ex-factory.

The products are of a great variety including 800—20000m³/h large scale dredging and sand mining equipments (which includes hydraulic cutter suction type, hydraulic bucket wheel type, mechanical cutter suction type and suction type),gold panning dredger, iron extracting dredger, iron extracting equipments, sand sieving machines, crusher, weathering sand producing lines(break, rinsing and separating). All the products are with different sizes for customers’ choices.

We can also design and produce special types of machinery according to customers’ requirements.

The dredger we produce is self-propelled or non self-propelled,portable cutter suction dredger. The hull uses dismantle and box-like structure, which equipped with horizontal shifting devices, cutter ladder lifting devices, spud devices, deck crane and so on. It can also be equipped with anchoring poles and trolley devices. Generally, it has functions on dredging, conveying and discharging of mud or sand. It can produce certain amount of vacuum by the centrifugal pump.

The dredge pump is driven by the main diesel engine through the reducing gear box.

The alternator, which driven by the auxiliary diesel engine supplies electricity for power and lighting of the whole dredger.

Generator sets supplies electricity for lighting and emergency use when it doesn’t working.

Cutter head is driven by hydraulic motor; cutter bearing has lubrication seal-in units.

The dredger is moved by alternate swing of the spuds. The spuds are lifted by the hydraulic cylinder.

The shifting winches, cutter ladder and lifting winch are driven by the hydraulic motor.

The hydraulic oil pump is driven by the auxiliary diesel engine.

Functions of cutter suction dredger: dredging river, dredging sand, desilting, reclamation for channels and land, and building roads.

We can produce dredgers according to the requirements of the customers.

Applicability this machine: To 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 cutter suction dredger: sea, port, lake, and river.

Soil conditions: relative hard soil, harden sand, sludge, sea sand, river sand, clay, mud, and so on.

The design, construction, quality inspection is according to the standards and regulations of CCS. The hull, machinery equipments and other spares are at the requirements of CCS.  The hull is square, cross keel, which is full welding steel structure. And authorized by CCS.

2. Product images for your references. If anything about your dredging project need help from Highling, email or call us pleaase, we will answer your questions in 8hours. 

3. The technical specifications for your references. If any of the models is request, email us please, we will quote as soon as possible.

  3500m3/h hydraulic sand suction ship

Technical specifications 1800-2500m3/h cutter suction dredger 

Technical specifications2    3000-8000m3/h cutter suction dredger 

 4. Testing center for products ex-factory tested

5. Working site 

6. Customers 

7. Products in producing 

8. Shipping to port 

9. cutter head 

10. pipelines and floaters.

11. operating cabin 

12. Spares 

13. Offices 

14. Other products for your references. 

15. Bucket chain dredger from our facotory 

Bucket chain dredger spares