China Sea Sand Tailing Cutter Suction Dredger Manufacturers and Suppliers

Product Description

Product description

*Sand Dredging
*Land Reclamation/Beach Restoration
*Mineral Mining (such as gold mining, iron mining, tin mining etc.)
*Port, Lake, River, Harbor, Channel and Dam Desilting
*Well Head and Location Sweeping
*Canalization

Sea Sand Tailing Cutter Suction Dredger can be self-propelled or non self-propelled. The hull can be dismantle and box-like structure. The dismantle type can be assembly at working place easily and be transported by road, railway and container accordingly. The sand dredger is very convenient to install and move in the working place. The power system of sand dredger can be electric system or diesel engine driving system according to customers' requirements.

Sea Sand Tailing Cutter Suction Dredger

Pontoon for the Cutter suction dredger

The dredger pontoon is with dismantle type and box-like structure, In order to transported convenient by truck, easy installation
at working site.
And it is sandblasted and painted by 4 layers of marine epoxy paint suitable for saltwater service. The Zinc anode can be used to
give better anti-corrosion function.

Sea Sand Tailing Cutter Suction Dredger

Engine for the Cutter suction dredger

Cummins Engine is global warranty, spare parts can be available in short time.

Environmental protection and Energy conservation

The main engine driven the dredge pump and auxiliary engine drives hydraulic system including cutter, swing winches, ladder winch

and the spud rams etc. And the emergency genset supplies electricity for lighting and emergency use when the dredge doesn’t work.

Sea Sand Tailing Cutter Suction Dredger

Pump for Sand Cutter suction dredger
Shijiazhuang Pump adopted advanced worman technology.
1. Structure good, WN dredger pump adopts semi double shell structure, which reduces unnecessary auxiliary structure and process
structure.
2. Advanced hydraulic model, the efficiency is high. The efficiency of the WN mud pump is 2-3 percentage point higher than before.
In this way, lower energy consumption can be achieved at the same output.
3. Good wear resistance with long life.

Our dredger can also install Imported Original Pump from abroad.

Sea Sand Tailing Cutter Suction Dredger

Hydraulic system for the Cutter suction dredger

An integral hydraulic system includes hydraulic cutter head, hydraulic winch, hydraulic pump, hydraulic valve manifold, solenoid
valve, hydraulic pipes, hydraulic components, electrical actuator and so on.
The hydraulic system requirements are very high and strict, it is the main artery of the entire dredger. The swing winches, lifting
winch and cutter head are all driven by separate hydraulic motors.
The spud cylinder is hydraulic powered to lift spuds, the alternate swing of spuds will move the dredger.

Be self-propelled for the China Made Cutter Suction Sand Dredger
Some dredgers do not have navigation capability, and they are always driven by tugboats

Milestone dredger can be with the function of self-propelled, then easy to move for work.

Detailed specification of cutter suction dredger

NO. item	Total length(m)	Water flow(m3)	Capacity (m3)	Engine power(kw)	Diging depth(m)	Discharge distance(m)	Cutter power(kw)
8 inch	17 m	800 m3	160 m3	220 kw	8m	800 m	30kw
10 inch	23 m	1000 m3	200 m3	336 kw	9 m	1000 m	50 kw
12 inch	25 m	1500 m3	300 m3	559 kw	10 m	1200 m	60 kw
14 inch	27 m	2000 m	400 m3	634 kw	11 m	1500 m	70 kw
16 inch	29 m	2500 m3	500 m3	746 kw	13 m	1500 m	70 kw
18 inch	31 m	3000 m3	600 m,3	895 kw	14 m	1500 m	80 kw
20 inch	36 m	4000 m3	800 m3	1268 kw	15 m	2000 m	170 kw
22 inch	38 m	4500 m3	900 m3	1491 kw	16 m	2000 m	170 kw
24 inch	41 m	5500 m3	1100 m3	2190 kw	16 m	2000 m	300 kw
26 inch	43 m	6000 m3	1200 m3	2380 kw	16 m	2000 m	350 kw
28 inch	45 m	7000 m3	1400 m3	3000 kw	17 m	2200 m	500 kw
32 inch	50 m	7500 m3	1500 m3	3500 kw	17 m	2500 m	500 kw

Sea Sand Tailing Cutter Suction Dredger

1, Material Purchase

*Checking the Business License and Registration Certificate of Suppliers.
*Using calipers to test the thickness of steel plate.
*Using sclerometer to test the hardness of the steel plate.

2, Pontoons Welding2,
*Using welding failure detector to inspect the welding quality.

3, Equipment Assembling
*All the equipments on the dredger should be well-know brand including Cummins engine, Siemens PLC, Japan Yuken Hydraulic valve block.
*Using three dial gauges to adjust the concentricity of engine, gearbox and pump.
*All the electric lines are concealed wiring type.
*All the Hydraulic pipes are pickled three times.

4, Dredger Painting
*All HLC Dredger construction parts are of shot blasted plate with shop primer. Dredger after construction and assembly all rusty surfaces, welding spots and damaged shop primer will be cleaned and coated with primer.
*The painting of machine parts, readily supplied by third parties will be cleaned and touched -up in the original color.
*Color scheme according to owner‘s specification.

5, No-load Test
* All the main equipments, including Engine, Gearbox, Pump, Hydraulic system.
* Electric system, are tested for at least 2 hours in factory.
*All the suppliers of the main parts should be on the spot to solve any problem.

6, Dismounting and Packing
*All the parts are marked before dismounting.
*All the small parts are put into packaging box with a packing list.
* All the hydraulic pumps and pipes joints are packed by plastic wrap.
*Every part ( no matter how small ) is registered on the packing list.

7, Delivery
* All the big parts are fixed in the containers by wires ,
* Before delivery, all the persons in charge should sign and make sure all the equipments are in good shape.

Dredger Launching Site is Available in our Shipyard
In order to guarantee good performance and safety of our cutter suction dredger, all our products will be tested at the launching site before ex-factory, it is tested like the machine working in the customer’s working site. Performance and safety will be tested and recorded in the testing process. Usually, the buyer can also supervised the testing process before dismantle the dredge.

A. Preparing work before Dredger Testing
1) Customers will be invited to watch dredger test , radio and pictures will email to buyers.
2) Every parts and connections of dredger should be checked strictly before test.
3) Oil and cooling water should be ready for dredger test.

B. Dredger Test Contents
1). Work condition of electricity connection of dredger should be checked .
2). Emergency pump to check operation conditions of hydraulic controlling system.
3). The speed and power of diesel engine should be tested
4). Dredging pump will be tested and rotates at different speed with fresh water.
5). In order to check the operation of various hydraulic machinery and values, the main hydraulic pump will be opened and hydraulic system load performance should be tested.

C. After Testing
1). All equipment performances and testing recorded will be printed as report for customers' reference.
2). after testing, all work about dredger dismantle should be prepared and let customer knows when and what time will do the delivery.

Dredger Operation Training
*The Training of cutter suction dredger is the very basic and important role on dredgers. HICL provide a standard series training course as follow
*Basically introducing the main structure of HICL cutter suction dredger.
*Mainly training classes on how to operate HICL cutter suction dredger, how to use Siemens PLC to control dredger work efficiently.
*Basically introducing the arrangement of engine room and attention matters in engine room.
The main problems will occur during the dredger working process and how to avoid and fix them.

Dredger Commission in Worksite
Dredger should be tested for running 24 hours after the complete installation. Dredger test includes:
*Operation of the sand /mud dredging
*Hydraulic and electrical system operating
*Running of the dredger’s outfitting equipment

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