International Quality System Certified Dredgers [Exported to Europe]

• Customization: Available
• Type: Cutter Suction Dredger
• Power Type: Diesel
• Model NO.: 07061548
• 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

 #Dredger User Manual

1, Introduction
A dredger is an engineering vessel used for dredging waterways, ports, and water bodies, excavating materials such as soil, sand, and stones. In order to ensure the safe and efficient operation of the dredger, this user manual is specially formulated.

2, Types and characteristics of dredgers
1. * * Cutter suction dredger * *: Cut the underwater soil by rotating the cutter, and then transport the mud to the designated location through a suction pipe. Suitable for excavating loose soil and sandy soil.
2. * * Rake suction dredger * *: Use a rake head installed on the side or bottom of the ship to suck up the underwater mud. Capable of self navigation, self excavation, self loading, and self unloading, suitable for operations in wide water areas.
3. * * Chain bucket dredger * *: Continuously excavate underwater materials through chain buckets and lift them onto the ship. Suitable for excavating hard soil and pebbles, etc.

3, The main components of a dredger
1. * * Excavation device * *: such as a cutter, rake head, chain bucket, etc., used for excavating underwater materials.
2. * * Transportation system * *: including suction pipes, mud pumps, transportation pipelines, etc., responsible for transporting excavated materials to designated locations.
3. * * Power system * *: Provides the power required for ship operation and excavation.
4. * * Control System * *: Used to control various operational parameters and actions of the dredger.

4, Preparation before use
1. Check all equipment and systems of the ship, including power systems, excavation devices, conveying systems, navigation systems, communication systems, etc., to ensure they are in good working condition.
2. Confirm that the crew members are familiar with their respective responsibilities and operating procedures, and have undergone relevant training and assessment.
3. Understand the hydrological and geological conditions of the work area, and develop reasonable work plans and safety plans.
4. Prepare necessary tools, spare parts, and emergency supplies.

5, Operation process
1. Start the power system
-Start the main engine, auxiliary equipment, and other power equipment in sequence according to the operating procedures, and check if all parameters are normal.
-Preheat the equipment to ensure that the oil temperature, water temperature, etc. meet the working requirements.
2. Carry out excavation operations
-Start the corresponding excavation device according to the type of homework (such as twisting suction, raking suction, etc.).
-Adjust the excavation depth, angle, and speed to achieve the best excavation effect.
3. Material conveying
-Start the mud pump and other conveying equipment to transport the excavated materials to the designated location.
-Monitor the pressure, flow rate and other parameters during the conveying process to ensure the stable operation of the conveying system.
4. Navigation operations
-When moving a vessel, follow the navigation rules for operation.
-Pay attention to avoiding other ships and obstacles to ensure safe navigation.

6, Precautions
1. Safe operation
-Operators must strictly follow the operating procedures and are not allowed to operate in violation of regulations.
-Wear necessary personal protective equipment, such as helmets, life jackets, etc.
-During the homework process, remain vigilant and pay attention to observing the surrounding environment and equipment operation.
2. Environmental protection
-Strictly comply with relevant environmental regulations to avoid pollution to water bodies.
-Reasonably control the excavation scope and depth to reduce damage to the ecological environment.
3. Equipment maintenance
-Regularly maintain and repair the equipment of the dredger, and replace vulnerable parts.
-Ensure proper lubrication, cleaning, and corrosion protection of the equipment.
4. Emergency response
-Develop emergency plans to deal with possible malfunctions, accidents, and unexpected situations.
-Regularly conduct emergency drills to improve the emergency response capabilities of crew members.

7, Troubleshooting and Repair
1. Common faults
-Power system malfunctions, such as engine shutdown, high oil temperature, abnormal oil pressure, etc.
-Excavation device malfunction, such as damage to the cutter, blockage of the rake head, etc.
-Transportation system malfunctions, such as mud pump blockage, pipeline rupture, etc.
-Control system malfunctions, such as sensor failure, joystick malfunction, etc.
2. Troubleshooting methods
-Based on the fault symptoms, combined with the equipment's schematic and maintenance manual, conduct a step-by-step investigation.
-Use testing tools such as a multimeter, oscilloscope, etc. to test the relevant components.
-For some simple malfunctions, the crew can troubleshoot them themselves; For complex faults, professional maintenance personnel should be contacted in a timely manner.
3. Maintenance and upkeep
-Regular comprehensive maintenance and upkeep of the dredger, including equipment inspection, cleaning, lubrication, tightening, and debugging.
-Replace worn parts and vulnerable parts according to the equipment's user manual and maintenance manual.

8, End homework
1. Stop excavation and transportation operations, and shut down relevant equipment.
2. Drive the vessel back to the designated stopping point and secure the vessel.
3. Clean up the work site, organize tools and materials.
4. Fill in homework records and equipment operation logs, summarize experiences and lessons learned.
  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!

#Analysis of the international market situation of cutter suction dredgers

On a global scale, the market demand for cutter suction dredgers is characterized by diversification and dynamic changes.

From the perspective of demand, with the increasing emphasis on infrastructure construction, waterway dredging, port expansion, and marine resource development by countries around the world, the demand for cutter suction dredgers continues to grow. Especially in some emerging economies, in order to enhance their trade and logistics capabilities, they have increased investment in port and waterway construction, which directly drives the market demand for cutter suction dredgers.

In terms of technological development, the cutter suction dredgers in the international market are moving towards large-scale, intelligent, and efficient development. Large scale cutter suction dredgers can complete large-scale dredging projects in a shorter time, improving work efficiency. The application of intelligent technology makes the operation of dredgers more precise and automated, reducing manual intervention and errors.

However, market competition is becoming increasingly fierce. Some traditional shipbuilding powers in Europe, such as the Netherlands and Belgium, have occupied an important position in the high-end market with their advanced technology and rich experience. Some emerging shipbuilding countries in Asia, such as China and South Korea, are gradually increasing their market share in the mid to low end market through technology introduction and independent innovation, and are beginning to enter the high-end market.

In terms of price, the price of cutter suction dredgers is influenced by various factors. This includes the scale, technological level, configuration, and market supply and demand relationship of ships. Generally speaking, large and high-performance cutter suction dredgers are more expensive, while small and relatively simple vessels are more affordable.

From the perspective of market distribution, Europe, Asia, and the Americas are the main markets for cutter suction dredgers. Due to its long shipbuilding history and advanced technology, Europe has a relatively stable demand for high-end dredgers. In the Asian region, especially in countries such as China and India, there is a strong demand for mid to low-end cutter suction dredgers due to the rapid development of infrastructure construction. The Americas, especially countries such as the United States and Brazil, also have a certain market demand for port construction and waterway maintenance.

China, as an important force in global economic development, plays an increasingly important role in the market of cutter suction dredgers. In recent years, there has been a continuous increase in port construction, waterway regulation, and coastal development projects in China, leading to a growing demand for cutter suction dredgers. At the same time, Chinese shipbuilding enterprises are continuously improving their technological research and production capabilities, not only meeting the needs of the domestic market, but also gradually expanding their international market share.

For example, a large shipyard in China has successfully developed a large cutter suction dredger with advanced technology through independent innovation, which not only plays a key role in major domestic projects, but also has been exported to countries along the "the Belt and Road", gaining good market reputation.

But the Chinese market also faces some challenges. On the one hand, there is still a certain gap between domestic high-end technology and international advanced level; On the other hand, market competition is fierce, and domestic enterprises need to continuously improve product quality and service levels to cope with competition from international peers.

In the future, with the development of the global economy and continuous technological progress, the international market for cutter suction dredgers is expected to continue to maintain a growth trend. However, at the same time, market competition will also become more intense, and enterprises need to constantly innovate and improve product quality to meet the increasingly diverse needs of customers.

 

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

          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 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

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 manufacturing of dredgers usually uses multiple materials, and the following are some common materials:

**1.  Steel * *:
-High strength structural steel: used to construct the main structural components of dredgers, such as the hull frame, deck, and bulkheads. For example, Q345 steel has good strength and toughness, and can withstand various loads during ship operation.
-Stainless steel: In some areas that require corrosion resistance, such as pipelines, valves, and some mechanical components, stainless steel materials such as 304 stainless steel, 316 stainless steel, etc. will be used.

**2.  Cast iron * *:
-Used to manufacture some mechanical components, such as gearbox casings, engine components, etc.

**3.  Copper alloy * *:
-Commonly used in the manufacturing of electrical components, such as wires, cables, connectors, etc., because copper has good conductivity.

**4.  Aluminum alloy * *:
-It has a lighter weight and good corrosion resistance, and may be used for some non main structures that require weight reduction, such as partial structures in superstructure.

**5.  Engineering plastics * *:
-Can be used to manufacture some non critical but wear-resistant and corrosion-resistant components, such as seals, pipeline connectors, etc.

**6.  Rubber * *:
-Used for manufacturing seals, shock absorption components, and conveyor belts.

**7.  Glass Fiber Reinforced Composite (FRP) * *:
-In some small dredgers or specific areas, FRP can provide good corrosion resistance and lightweight characteristics.

For example, the hull structure of a certain type of cutter suction dredger is mainly welded with high-strength structural steel, and its suction pipeline is made of steel pipes lined with rubber to increase wear resistance and corrosion resistance. At the same time, some electrical control boxes on board are made of aluminum alloy materials to reduce weight and prevent corrosion.

It should be noted that the selection of materials for the manufacture of dredgers will be comprehensively considered based on various factors such as the size of the vessel, working environment, functional requirements, and cost.

      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 Dredgers [Exported to Europe]