Full Hydraulic 8 Inch Cutter Suction Dredge Machinery for Underwater Tunneling

Product Description

 

Full Hydraulic 8 Inch Cutter Suction Dredge Machinery for Underwater Tunneling

Feature	Description
Construction	The cutter suction dredger is manufactured with a steel structure, available in both non-self-propelled and self-propelled dismountable types. It can dock and dredge in any coastal areas and inland rivers.
Application	Suitable for excavating and transporting cohesive sediments of grade III and below as specified in the dredging construction technical specifications issued by the Ministry of Water Resources of the People's Republic of China.
Hull Structure	The dredger hull consists of a main pontoon and two side pontoons, which can be easily disassembled or assembled for transport by road, rail, or water, and reassembled at the project site.
Engine and Dredge Pump Placement	The engine and dredge pump are located in the central pontoon, while the two side pontoons serve as fuel tanks, ballast tanks, and storage rooms.
Power Source	Powered by diesel engines; the main diesel engine drives the dredge pump, and auxiliary engines drive the hydraulic system, including the cutter, swing and ladder winches, anchor winches, and spud cylinders.
Control Room	The spacious control room is ergonomically designed, providing a 360-degree panoramic view. All operation buttons, switches, indicators, and gauges are installed on the control console. A single operator can control the entire dredger from the control room.
Anti-Corrosion Coating	The dredger is coated with four layers of marine paint to prevent corrosion. Zinc anodes can be used to provide enhanced anti-corrosion protection.

 

 

 

•Cutter Head: The cutter head is one of the most core working parts of the cutter suction dredger. 

1. Loosening & Cutting: Breaks up compacted soil, sand, or rock, enabling efficient suction.

2. Feeding Material: Directs loosened sediment toward the suction pipe for removal.

3. Material-Specific Design:

   • Stone Cutter Head: Heavy-duty, equipped with robust teeth for hard rock or gravel.

   • Sand Cutter Head: Lighter, optimized for soft sediments like sand or clay.

•Portal Frame: The gantry of a cutter suction dredger plays a critical role in supporting the dredging operation

1. Structural Support:Supports/lowers the cutter head and absorbs operational forces (cutting, currents).

2. Pipeline Management:Suspends and stabilizes the slurry discharge piping during dredging.

3. Operational Platform: Provides access for maintenance and equipment control.

 

•Crane: A slewing crane fixed on the deck for loading and unloading cargo. 

1.Cargo Handling:Performs loading/unloading of materials on deck with a rotating turntable and adjustable boom.

2.Multi-Axis Mobility:Simultaneously operates lifting, luffing (boom angle adjustment), and slewing (rotation) for flexible positioning.

3.Integrated Design:Combines boom, hoist, luffing/slewing mechanisms, and control room on a single turntable, pivoting around a fixed pillar for stability.

 

 

•Anchor Boom: Move the traverse anchor forward to meet the requirements of traverse excavation of the reamer.

1. Positioning & Stability:Secures the dredger in place by deploying anchors, preventing drift during operations.

2. Swing Control:Controls the vessel's lateral movement (swing) for systematic dredging coverage.

3. Force Absorption:Handles tension from anchor cables and environmental forces (currents/waves) to maintain operational stability.

 

 

•Operating Cabin: The control system integrates advanced technologies like frequency conversion and electronics to optimize dredging efficiency.

1. Automated Control: Utilizes electronic systems for precise operation of dredging equipment.

2. Energy Efficiency: Employs frequency conversion technology to reduce power consumption.

3. Customized Operation: Adapts to different working conditions with selectable modes for optimal performance.

•Spud: Special pencil piles for positioning and shifting dredgers.

1. Positioning Stability: Provides firm anchoring to maintain the dredger's position during operation.

2. Controlled Shifting: Enables controlled forward movement (stepping) for systematic dredging progress.

 

Product Quality Control

The dredgers will use the best parts from world-renowned brands, including Cummins engines, Shijiazhuang pumps, Hangzhou gearboxes, and Siemens PLC control systems.

The hydraulic system is one of the most crucial components of cutter suction dredgers. The cutter head, ladder winch, swing winches, and spud or spud carriage are driven by hydraulic motors, ensuring higher efficiency and durability. Reputed brands are also used for other hydraulic parts, such as hydraulic pipes, pumps, and valves.

 

1	dredging depth	15m
2	water flow	800m3
3	solid capacity	160m3/h
4	discharge distance	1000m
5	total dimension	31*4.7*1.5m
6	main engine brand /power	cumins /240kw
7	cutter Shaft power	37kw
8	anchor boom length	6m
9	spud carrier stroke	2-2.5m
10	total weight	35t

Other Size Parameter
 

 

 

NO./Item	Discharge distance	Dredging depth	Water flow	Solid capacity	Main/Auxiliary engine
6Inch	500m	6m	500m3/h	75-100m3/h	261kw
8Inch	1000m	15m	800m3/h	160m3/h	240/70kw
10Inch	800m	10m	1200m3/h	180-360m3/h	447/168kw
12Inch	1000m	15m	2000m3/h	300m3/h	735/176kw
18Inch	1500-2000m	15m	3500m3/h	500-700m3/h	895/298kw
20Inch	1700m	15m	5000m3/h	750-1500m3/h	1193/447kw
26Inch	2000m	15m	6000m3/h	1200m3/h	1885/759kw

Remark: HRXS brand cutter suction dredgers can be customized into various standard and non-standard dredging cutter suction dredgers and other powered cutter suction dredgers according to customer requirements.

 

 

 

 

 

 

 

 

No.	Description
1	Cutter suction dredger is widely used in rivers, lakes, seas, inland waterways, and reservoirs for dredging projects.
2	Cutter suction dredger is helpful for port construction and can be paired with sand washing equipment for projects.
3	Cutter suction dredger can be used in conjunction with mining machinery to extract gold, diamonds, and other minerals.
4	Cutter suction dredger is suitable for all kinds of working conditions, especially in rivers with high sand content and large-scale projects.
5	The design of the cutter suction dredger allows for deeper dredging. We can customize the design according to the dredging depth required at the working site.

 

Weifang Hairui Xinsheng Environmental Protection Equipment Manufacturing Co., Ltd., located in Qingzhou City, one of China's Nine Ancient Cities, is a leading enterprise in China's mining equipment industry. Established in 2015, the company specializes in the R&D, design, production, assembly, and testing of environmental equipment.

The company is ISO9001:2008, SGS, and BV certified and has received certifications from the China MSA and the State Intellectual Property Office. Our products are trusted by customers worldwide for their excellent quality and after-sales service, and are widely used in Russia, Mongolia, Kazakhstan, Southeast Asia, Africa, and other countries and regions.

We adhere to the principles of honesty, mutual benefit, and co-development. We warmly welcome friends from all sectors to visit for investigation and business discussions.

 

 

 

1. Are your products certified?

Yes, we are ISO9001:2008, SGS, and BV certified.

2. Can you customize products based on customer requirements?

Yes, we can customize products based on customer requirements and terrain conditions.

3. What is your after-sales service policy?

We provide installation guidance, operation training, maintenance support, and troubleshooting services.

4. How can I visit your factory?

Please contact us in advance to schedule your visit, and we will assist with the arrangements.

5. Do you have your own factory?

Yes, we are a manufacturer with our own factory, and we welcome visits to our facility.

6. How can I get more information?

Please contact us through our website, email, or phone.