Large Dredge For Sale - Leader Dredger
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LARGE DREDGE LEADER DREDGER LD12000DP

Cutter Dredger - Leader Dredger
TYPE Dual pump cutter suction dredger
MODEL LD12000DP
APPLICATION Capital mining and maintenance dredging
MIXTURE CAPACITY 8000-12000m3/h
SOLID CAPACITY 2400-3600m3/h
DISCHARGE DISTANCE MAX 6000m
DREDGING DEPTH MAX 30m
SUCTION/DISCHARGE PIPE DIA 800/800mm
TOTALE INSTALLED POWER 6800-9500KW
CUTTER POWER 700-1300KW

MAIN FEATURES

Dismountable design, for transport via road or sea.
Design of high production and long distance. Reliability design, Easy control, Simple maintenance.
Heavy-duty Cummins/Cat Engine.
China's professional pump manufacturer, Customized according to the working conditions, high capacity, high efficiency.
World famous European-brand electric system and hydraulic system.
Engine room big and cool, and easy to maintain.
Several options such as anchor booms, spud carriers, pump booster station, can be equipped to meet your requirements.

LARGE DREDGE SPECIFICATIONS

General
Type
dual pump cutter suction dredger
Mode
LD12000DP
Appliation
Capital mining and maintenance dredging
Dredging Features
Standard dredging depth(m)
MAX 30m
Mixture capactiy
8000-12000m³/h
Solid capacity
2400-3600m³/h
Discharge distance
MAX 6000mm
Suction/Discharge pipe dia
800/800mm
Principal characteristics
Overall length
85m
Breadth
18.2m
Draught
3.5m
Ponton height
5.2m
Total dry weight approx
1800MT
Ladder length
42m
Engine
TOTALE INSTALLED POWER
6800-9500kw
Total fuel consumption
≤1088-1520kg/hr
Extra emergency generator set
120kw(160Hp)
Because the discharge distance and the hardness of the soil are different, So it needs to be customized according to the actual working conditions
Dredge pump
Australia technology Pump
Maximum mixture capacity(m/h)
8000-12000m³/h
Solid capacity(approx)
2400-3600m³/h
By alloy cast iron material for better abrasion abrasive, hardness, more than68HRC. Bigger more efficiency, driven through gea rbox.
Cutter
Power at shaft
700-1300kw
Size
3000mm
Rotation speed
25rpm
Winches
Ladder winch
1urnit
Swing winches
2units
All winches driven by independent hydraulic system.
Spuds
Quantity
2pcs
Length
38m
Diameter
1000mm
Deck crane
Utting weight
2* 5MT
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CUTTER SUCTION DREDGER FOR SALE GALLERY

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Cutter Suction Dredger Accessories Introduction LD12000

Cutter Suction Dredger 3D Picture - Leader Dredger
*Click the green dot in the picture below for further details

Hydraculic System

Leader Dredger's hydraulic system is distributed throughout the dredger and is the core control system of the entire ship. The hydraulic system is a systematic project, with strong professionalism and comprehensiveness.

The main hydraulic components are: driving the reamer, driving the bridge up and down, controlling the ship to swing left and right through the traverse winch, and controlling the positioning pile up and down through the positioning pile cylinder. In addition, the trolley and the running anchor are also driven by the hydraulic system.

The advantages of the hydraulic system include: light weight per unit of power, small inertia, fast response speed, and easy start and stop. The working medium of the hydraulic system has a certain elastic shock absorption capacity, which can make the hydraulic transmission system operate stably and reliably. These advantages just meet the working requirements of the working mechanism of cutter suction dredger. Judging from the current mainstream design, hydraulic transmission is the main transmission method adopted by the dredger dredging equipment.

Dredging System

The dredging system is divided into a control system and a monitoring system, which is a highly integrated system.

Through the monitoring system, you can understand the working status of all components of the whole ship, the working status of the main and auxiliary engines, the real-time status of the hydraulic system, the condition of the electrical circuit system, the running status of the pump, the working status of the gear box, the cooling system, etc.

At the same time, the centralized control unit controls the working parts of the dredger in real time through the operation lever and the like. One person can operate the parts of the entire ship.

Electric System

The electrical system of the dredger is composed of a main generator set, a standby generator set, an electrical cabinet, a charger and an operation console.

Among them the main generator set:

Provide power for sealing water pumps, miscellaneous water pumps, lighting and air conditioning during dredger work.

Dredger electrical cabinet:
It is the electrical equipment for controlling dredgers, including motors, gate blades, backup hydraulic pumps, fans, air switches for lighting and leakage protectors.

On the panel are:
voltage indicator, working/standby generator switch, standby hydraulic pump, sand pump, sealing water pump, miscellaneous water pump, start/stop button of the fan.

Battery for dredger:
Start the diesel engine, solenoid valve of the hydraulic system, 24v power supply lighting of the whole dredger, to provides the power.

Optional Items

Contain:

Trolley system

Anchor rod system

Flowmeter, concentration meter

Relay pump

Service boat

Dredger Spud

The lower end of the full range of Leader Dredger dredger spud is made of solid steel to ensure sufficient strength when penetrating the ground. When lifting the pile head, water can overflow from the two holes above the lower point. At the top, the hoist ring allows the crane to easily change the pile head.

Feature:

1. Made of high-quality steel with high strength and wear resistance. Customers can also order other materials.

2. Longer service life and easy maintenance.


3. Simple disassembly and assembly, can be accurately adjusted.

Dredger Engine Room

Leader Dredger space is far superior to European and American ships, this design is more convenient for good ventilation system and maintenance of cabin components.

Reasonable layout of engine, hydraulic, circuit cold area system, etc., easy to locate and maintain system problems

Driving Cabin

The Leader Dredger full range of dredging boat Driving cabin has more field of vision, which is convenient for viewing more external conditions.

The extremely simple control system allows the driver to better operate the dredger.

Provide drivers with a high-quality working environment, and equipped with air conditioning.

Dredger Winch

The hydraulic winch of the cutter suction dredger is mainly a winch with a large rated load, which is driven by a reliable and low maintenance hydraulic motor.

The hydraulic winch of the dredger uses oil as the working medium, transmits motion through the change of the sealed volume, and transmits power through the pressure inside the oil.

Dredger Body

There is a production design team inside the factory, which can design the hull according to Chinese standards or BV standards, produce welding, and the painting process is in accordance with the standards of sea ships.

Ensure the high strength and corrosion resistance of the hull, so that the entire ship has a longer service life and stable operation.

Dredger Engine

Leader Dredger's full range of dredgers are equipped with Caterpillar-Cat and Cummins engines, providing reliable performance and high fuel efficiency for dredgers. At the same time, we support customers to choose engine brands.

Dredger Pump

Leader Dredger's full range of dredgers use Chinese professional pump manufacturers. And we will change the number of pumps according to the discharge distance and dredging depth, so as to provide stronger suction for the dredger.
Leader Dredger can be customized according to working conditions.

Cutter Head

The leader Dredger full range of dredger cutter head uses wear-resistant materials, which can meet many harsh dredging and mining environments. The cutter head can cut soil of many different types of materials, such as mud, sand, sandstone, minerals, and hard stones.

Cutter teeth
Our Cutter teeth can be replaced. The blade is equipped with an adapter to easily install and remove Cutter teeth. To meet the requirements of cutting more materials. The design of the blade of the dredge blade can minimize the overflow of the cutter. They introduce the cut material into the nozzle in the most effective way.

Desgin

There are 32 people in the technology and design department
12 senior technicians
20 technicians.
Can design and have all kinds of dredgers, civil, warships, marine engineering equipment qualifications.

We can do different types of China Classification Society CCS, American ABS, European BV, Italian RINA standard ships, dredgers, ships, etc.

The design of the cutter suction dredger involves disciplines such as mechanical manufacturing, electrical and electronic, hydrodynamics, computer technology, automation science, materials science, marine meteorology and even nuclear physics, and belongs to the category of system engineering design.

Leader Dredger specializes in analysis and design of dredger hull size, winch bridge, winch system, hydraulic system, positioning pile, mud pump system and its professional design, And repeatedly debug the power system, environment, vibration and noise issues

According to the dredging volume, digging depth index and soil quality of the construction project, the specific performance indexes such as the digging depth, soil breaking capacity and production capacity of the cutter suction dredger are determined.
This design concept is not only widely used in general commercial dredging fields, but also in military, scientific research and engineering fields.
The difference is that dredgers that serve commercial projects can improve the performance of cutter suction dredgers to achieve higher production efficiency and economic benefits, while dredgers used in military and scientific research fields can meet the needs of specific projects. Its economic performance is relatively lower.

In the current economic and social environment, a design that only focuses on technical performance without considering product economic indicators is almost impossible. The cutter suction dredger design is also based on practicality, reliability and other technical indicators, fully considering the economic performance in use, and weighing the unified indicators of technical performance and economic performance to achieve better design results.

Service

The main services we provide are:

  • 1. Pre-sales project consulting
  • 2. Design and solution Suggestions
  • 3. On-site installation guidance
  • 4. On-site and remote training
  • 5. After-sales service
  • 6. Long-term accessories support
  • 7. Whole-process consulting services and other customer life cycle support

a. We guarantee that the free warranty period for fast wearing parts and non-human damage parts is 1 year. Including all hydraulic parts, all electrical parts, all wearing parts and wearing parts

b. One year later, spare parts will be provided at cost price. Like the engine and gearbox, there is after-sales service in the local area. We will first judge the problem and contact their personnel to save time for resolution

c. Lifetime free consulting service, after-sales service, operation guidance


Leader Dredger has 20 years of experience in the dredger production industry and can provide customized dredger production services for the most demanding projects. It is different from other manufacturers that can only produce standard dredges. Leader Dredger has a design and production team composed of more than 70 people, and has completed the design and manufacturing of more than 100 dredgers.

Desgin
Service

ALL DUAL PUMP CUTTER SUCTION DREDGER

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Production (m3/h)
12000
Dredging depth (m)
30
Total installed power(kw)
9500
Discharge distance(m)
6000
Pipe diameter (mm)
800
Dredge Manufacturer - Leader Dredger
Production (m3/h)
8500
Dredging depth (m)
25
Total installed power(kw)
8500
Discharge distance(m)
5500
Pipe diameter (mm)
750
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Production (m3/h)
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Dredging depth (m)
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Total installed power(kw)
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Discharge distance(m)
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Pipe diameter (mm)
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