International Quality System Certified Cutter Suction Dredger [Exported to Southeast Asia]

• Customization: Available
• Type: Cutter Suction Dredger
• Power Type: Diesel
• Model NO.: 07080822
• Cyclone Type: Hydrocyclone
• Slot Type: CTN
• Customized: Customized
• Condition: New
• Warranty: 365day
• After-sales Service: Lifetime After-Sales Service
• Working Environment: Underwater Operations
• Main Structure: Shipboard
• Output System: Fully Hydraulic
• Company Output: 180 Ships Per Year
• Transport Package: Container Shipping
• Specification: 10m-30m
• Trademark: HHIE
• Origin: China
• Production Capacity: 300cubic Meters Per Hour
• Package Size: 12.00cm * 1.80cm * 1.60cm
• Package Gross Weight: 6000.000kg

Product Description

    Welcome very much to our company's international website. If you need a dredger, please take a look below. We are a professional shipyard from China, and we believe there will be products suitable for you!

Company Profile

 

China Shandong Haohang Intelligent Equipment Co., Ltd
 
We have been engaged in the manufacturing of dredgers for over 20 years, and we believe that we are the most professional. Our main products include: cutter suction dredgers, chain bucket sand mining ships, water purification ships, water transport ships, gold mining ships, sea sand desalination equipment, etc!
Our profession is extracting sand from water, extracting various minerals, long-distance transportation in water, and cleaning weeds on the water surface!

Chinese made dredgers not only occupy an important position in the domestic market, but also have been widely recognized in the international market. At present, it has been sold to 68 countries and regions worldwide and has achieved success. These dredgers are widely used in deep-sea sand mining, coastal deepwater port channel dredging, reclamation, and coastal maintenance projects, making important contributions to China's marine engineering and infrastructure construction. We can tailor the most cost-effective dredging equipment for you based on your construction environment and work requirements!

 

Detailed Photos

By purchasing the cutter suction dredger manufactured by our company, we can provide you with 1-2 workers to assist in on-site installation, help you debug all equipment to operate normally until qualified products are produced, and cultivate professional operators to ensure that any problems with the equipment during the later production process can be dealt with!

          A cutter suction dredger is a dredging tool that uses a rotating cutter to loosen the soil on the riverbed or seabed, mixes it with cement to form mud, and then sucks the mud into the pump body through a suction pipe and sends it to the discharge area. It is mainly used for dredging in inland lake areas and coastal ports, suitable for excavating soil such as sand, sandy loam, and silt. During the construction of the cutter suction dredger, the dredging, transportation, and unloading processes can be completed continuously in one go, resulting in high production efficiency.
The main structure of a cutter suction dredger includes the hull, cutter, suction pipe, pump body, and discharge pipe. The cutter is a key component of a cutter suction dredger, usually installed at the bow or side of the ship. By rotating the cutter, the sediment at the bottom of the water is crushed and mixed with water to form mud. The suction pipe is used to suck mud into the pump body, which transports the mud to the discharge area through the discharge pipe.

 

 The fabrication of the keel frame of a dredger usually requires consideration of multiple factors, and the materials and structural forms used may also vary.

Common keel materials include high-strength steel, such as Q345. This type of steel has good strength and toughness, and can withstand various stresses and impacts during dredging operations.

In structural design, the dragon skeleton usually adopts a truss structure or frame structure. The truss structure is composed of a series of triangular elements, which can effectively disperse loads, improve the stability and load-bearing capacity of the structure. For example, the main dragon skeleton of some large dredgers adopts this structure to ensure that the hull structure remains stable even in situations of deep excavation and high sediment resistance.

The frame structure has high integrity and stiffness, and is suitable for areas with high requirements for spatial layout and structural strength. For example, the engine room of a dredger and the keel frame of the mud tank section often adopt a frame structure to ensure the installation and stable operation of the equipment.

In addition, the production of the keel frame also needs to consider anti-corrosion treatment to extend its service life. This may include the use of anti-corrosion coatings, hot-dip galvanizing, and other methods.

In short, the production of the keel frame of a dredger is a complex project that comprehensively considers multiple factors such as strength, stability, corrosion resistance, and economy.
 

The construction process of a cutter suction dredger is generally as follows:
1. Construction preparation: including the formulation of construction plans, survey of construction areas, equipment inspection and commissioning, etc., then positioning the ship and accurately positioning the cutter suction dredger in the construction area. According to the wind and flow conditions, set up the windward and upstream anchors in order to stabilize the ship's hull.
2. Lowering the cutter bridge: Lower the cutter bridge to the designated cutter position for excavation.
3. Soil conveying: The soil crushed by the cutter is transported to the designated mud receiving area through a high-power centrifugal mud pump and a discharge pipeline.
4. Construction monitoring: Real time monitoring of excavation depth, instantaneous water level, cross-sectional view of excavation trench or underwater three-dimensional map and other data to ensure construction quality and safety.
5. Moving ship position: According to construction needs, move the ship to the next construction area by retracting and releasing anchor cables and adjusting the position of the winch.
The specific construction process may be adjusted appropriately based on engineering requirements, soil quality, hydrology, and other factors. topic

The dragon skeleton plays the following main roles in dredgers:

**Provide structural support * *:
The dragon skeleton is like the "skeleton" of a dredger, providing a solid structural framework for the entire hull, ensuring that the hull maintains a stable shape under various complex working environments and load conditions, and is not prone to deformation or damage. For example, during the dredging process, when encountering strong water flow impacts and sediment resistance, a sturdy keel can support the hull, keeping it balanced and stable.

**Disperse and withstand loads * *:
During dredging operations, ships are subjected to loads from various factors such as excavation equipment, sediment weight, and water flow. The dragon skeleton can evenly distribute these loads to various parts of the ship, avoiding excessive local forces that may lead to structural failure. For example, when the excavator's bucket reaches the bottom of the river, the huge reaction force generated will be transmitted to the entire hull through the dragon skeleton, thereby reducing damage to local structures.

**Ensure equipment installation accuracy * *:
The various equipment on the dredger, such as the dredger, mud pump, power system, etc., need to be accurately installed in specific positions to ensure normal operation. The dragon skeleton provides accurate installation benchmarks and fixing points for these devices, ensuring their relative position and fitting accuracy, thereby improving the efficiency and quality of dredging operations.

**Enhance vibration and impact resistance * *:
During dredging operations, ships inevitably experience vibration and impact. The existence of keel frames can increase the overall rigidity and damping characteristics of the ship, effectively absorb and weaken vibration and impact energy, protect the safety of equipment and personnel on board, and extend the service life of equipment.

In summary, the dragon skeleton plays a crucial role in dredgers and is a key structural component to ensure the safe and efficient operation of the dredger.
 

Product Parameters

Model	8inches	10 inches	12 inches	14 inches	16 inches	18 inches	20 inches
Hull length	8-12m	12-14m	14-16m	16-18m	18-20m	20-22m	22-24m
Excavation depth	6m-8m	8m-10m	10m-12m	12m-14m	14m-16m	16m-18m	18m-20m
Conveying distance	500m	800m	1000m	1500m	2000m	2500m	3000m
Equipped with power	55KW	132KW	180KW	220KW	260KW	300KW	350KW
Hourly production	200t	260t	300t	350t	400t	450t	500t

     Due to factors such as mining environment, materials, equipment, and demand, the above parameters are for reference only (not as the final standard values). For accurate equipment dimensions and parameters, please contact our professional designer!

Product Description

The maintenance and upkeep of the keel frame of a dredger are crucial, and the following are some common methods:

**Regular inspections:
-Arrange professional personnel to conduct regular comprehensive inspections of the dragon skeleton, including structural integrity, condition of welds, and tightness of connectors. For example, conduct a detailed visual inspection once a month, with a focus on checking for signs of cracks, deformation, or corrosion.
-Use non-destructive testing techniques such as ultrasonic testing, magnetic particle testing, etc. to test key parts and promptly identify potential defects.

**Cleaning and anti-corrosion treatment * *:
-Regularly remove dirt, mud, and debris from the surface of the keel frame to reduce the occurrence of corrosion.
-Inspect and repair the anti-corrosion coating on the dragon skeleton. If there is any damage or detachment, repaint the anti-corrosion coating in a timely manner. For example, a comprehensive anti-corrosion coating should be carried out every two years.

**Lubrication and tightening * *:
-Check the lubrication of the connecting parts and regularly add lubricant to the parts that need lubrication to ensure the flexible operation of the connecting parts and reduce wear.
-Tighten bolts, nuts, and other connectors to prevent loosening and structural instability.

**Monitoring stress and deformation * *:
-Install stress monitoring equipment to monitor the stress distribution of the dragon skeleton in real-time during operation, and promptly identify areas of stress concentration.
-Regularly check the deformation of the keel frame using measuring tools. If there is any abnormal deformation, take timely measures to repair or reinforce it.

**Avoid overload * *:
-Strictly follow the design parameters and operating procedures of the dredger to avoid damage to the dragon skeleton caused by overload.

**Timely repair of damage * *:
-Once damage is found to the dragon skeleton, such as cracks, wear, etc., the operation should be stopped immediately and repaired in a timely manner. The repair work should be carried out by professional welding personnel in accordance with the specifications to ensure the quality of the repair.

**Record and Archive Management * *:
-Record each inspection, maintenance, and repair work in detail, establish a maintenance file for the keel frame, in order to track maintenance history and predict possible future problems.

Through the comprehensive maintenance and upkeep measures of the above system, the service life of the dredger keel can be effectively extended, ensuring the safe and efficient operation of the dredger.

      Display of some parts of the dredger: scraper head, sand pump, gearbox, engine, conveying pipeline, float, etc. The parts equipped by our company are all high-quality products that meet national standards, and can also be equipped with designated brands according to customer requirements!

The following are the daily maintenance and precautions for dredgers:

Daily maintenance:
1. Regularly clean the hull, remove any attached debris, marine organisms, etc., and keep the surface of the hull clean.
2. Inspect and maintain various mechanical components, such as the cutter system, mud pump, engine, etc., to ensure their normal operation. Add lubricating oil and replace vulnerable parts as required.
3. Inspect and maintain the electrical system to ensure the safety and reliability of the circuit and the normal operation of electrical equipment.
4. Check and maintain the hydraulic system to ensure that there are no leaks in the hydraulic components, the hydraulic oil is clean and at the appropriate level.
5. Inspect and maintain the pipelines, valves, etc. of the dredger to prevent leakage and blockage.
6. Regularly inspect and calibrate various instruments and sensors to ensure accurate data.

Notes:
1. Strictly follow the operating procedures to avoid equipment damage or safety accidents caused by misoperation.
2. Pay close attention to the water depth and flow of the construction water area to ensure the safety of the dredging operation.
3. Pay attention to the operation status of the equipment, and if any abnormalities are found, stop the machine for inspection and handling in a timely manner.
4. Provide training and management for crew members, improve safety awareness and operational skills.
5. Ensure that safety equipment such as firefighting and lifesaving are complete and effective on board.
6. Reasonably arrange the operation time and intensity of the dredger to avoid excessive use.
7. Regularly conduct comprehensive inspections and maintenance on the dredger, and record the maintenance status.

                                  Shandong Haohang Intelligent Equipment Co., Ltd.
  was established in 2018, headquartered in Shandong Province, China. It is a professional manufacturer of dredgers. The company has years of industry experience and a professional technical team, committed to providing customers with high-quality dredger products and high-quality after-sales service.
The company's products cover various types and specifications of dredgers, including cutter suction dredgers, rake suction dredgers, chain bucket dredgers, etc. These dredgers are widely used in fields such as waterway dredging, port construction, hydraulic engineering, and marine engineering.
The company focuses on technological innovation and product research and development, continuously introducing advanced technology and equipment to improve product performance and quality. At the same time, the company also has a sound quality management system and after-sales service system to ensure that customers receive timely support and guarantee during use.
The company has customers all over the world and exports its products to multiple countries and regions. The company adheres to the business philosophy of "quality first, customer first", with the aim of integrity, innovation, and win-win, and has established long-term and stable cooperative relationships with customers.




International quality system certified cutter suction dredger [exported to Southeast Asia]
The maintenance and upkeep of the keel frame of a dredger are crucial, and the following are some common methods:

**Regular inspections:
-Arrange professional personnel to conduct regular comprehensive inspections of the dragon skeleton, including structural integrity, condition of welds, and tightness of connectors. For example, conduct a detailed visual inspection once a month, with a focus on checking for signs of cracks, deformation, or corrosion.
-Use non-destructive testing techniques such as ultrasonic testing, magnetic particle testing, etc. to test key parts and promptly identify potential defects.

**Cleaning and anti-corrosion treatment * *:
-Regularly remove dirt, mud, and debris from the surface of the keel frame to reduce the occurrence of corrosion.
-Inspect and repair the anti-corrosion coating on the dragon skeleton. If there is any damage or detachment, repaint the anti-corrosion coating in a timely manner. For example, a comprehensive anti-corrosion coating should be carried out every two years.

**Lubrication and tightening * *:
-Check the lubrication of the connecting parts and regularly add lubricant to the parts that need lubrication to ensure the flexible operation of the connecting parts and reduce wear.
-Tighten bolts, nuts, and other connectors to prevent loosening and structural instability.

**Monitoring stress and deformation * *:
-Install stress monitoring equipment to monitor the stress distribution of the dragon skeleton in real-time during operation, and promptly identify areas of stress concentration.
-Regularly check the deformation of the keel frame using measuring tools. If there is any abnormal deformation, take timely measures to repair or reinforce it.

**Avoid overload * *:
-Strictly follow the design parameters and operating procedures of the dredger to avoid damage to the dragon skeleton caused by overload.

**Timely repair of damage * *:
-Once damage is found to the dragon skeleton, such as cracks, wear, etc., the operation should be stopped immediately and repaired in a timely manner. The repair work should be carried out by professional welding personnel in accordance with the specifications to ensure the quality of the repair.

**Record and Archive Management * *:
-Record each inspection, maintenance, and repair work in detail, establish a maintenance file for the keel frame, in order to track maintenance history and predict possible future problems.

Through the comprehensive maintenance and upkeep measures of the above system, the service life of the dredger keel can be effectively extended, ensuring the safe and efficient operation of the dredger.