Saturday 29 July 2023

Used dredge pumps for sale

Used dredge pumps for sale

If you're in the market for used dredge pumps, we offer pre-owned Warman brand pumps in various sizes up to 20 inches. These refurbished dredge pumps are capable of handling large volumes of water, slurries, and solids, and are commonly used in dredging, mining, construction, and environmental applications. They come in different types, including submersible, self-priming, and booster pumps, and can range in size from small portable units to large stationary installations.

Please note that we have a list of our recycled dredge pumps available for sale, and they come with different frame rates. So if you're looking for secondhand dredge pumps, consider checking out our inventory of previously owned dredge pumps.

6/4 DG
8/6 EG
8/6 FGH
10/8 FG
10/8 FGH
10/8 SGH
12/10 FG
12/10 GG
12/10 GGH
14/12 GG
18/16 GG

Don't hesitate to contact us, and ask for our stock without obligation.

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Dredging Equipment for Sale

Friday 21 July 2023

Dredging booster station 16 inch Warman gravel pump

For sale a Dredging booster station with a 16 inch Warman gravel pump 400 mm.

Driven by Caterpillar 3508 type marine  

Pump: Warman-pump 400 mm  

Model: 16/14  

Power at shaft 1050 hp  

Reduction box Flender 

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Dredging Equipment for Sale

Sunday 16 July 2023

Hydraulic winches

Winches have a significant role in dredging operations by supplying the necessary pulling force to facilitate the movement of dredging equipment and materials. Typically, heavy-duty electric or hydraulic winches are utilized for hosting in dredging, specifically designed to withstand the challenging operational conditions present in the marine environment. These winches are securely mounted on the dredging vessel and enable the control of the positioning and movement of crucial dredging equipment, such as the suction tube, cutter head, and spud poles. The proper maintenance and monitoring of winches are of utmost importance to ensure the safety and efficiency of dredging operations.

In dredging, side winches serve as devices to regulate the position and movement of a dredging vessel. These winches are affixed to the sides of the vessel and enable the adjustment of cable or wire length and tension, thereby controlling the positioning of the suction head or cutter head. This capability allows the dredge to excavate materials from specific locations and transfer them to other designated areas for disposal or further processing. Side winches constitute an indispensable component of various types of dredging vessels, including trailing suction hopper dredgers and cutter suction dredgers.

We offer a diverse range of standard winches, including side wire winches with a capacity of up to 120 kN, as well as hoisting winches that ensure efficient dredging. Additionally, our boom winches are readily available for swift delivery!

More information you will find here! 

Saturday 15 July 2023

Swing Ladder Dredge: Efficient Excavation for Waterway Maintenance

Swing Ladder Dredge: Efficient Excavation for Waterway Maintenance

A swing ladder dredge is a specialized type of dredging vessel used in maritime and riverine environments to remove sediment and debris from the bottom of water bodies. It is equipped with a swinging ladder mechanism that allows for efficient excavation and material extraction.

The swing ladder is a large arm that extends from the front of the dredge and is fitted with a series of buckets or clamshells at its lower end. These buckets or clamshells are lowered into the water and use their sharp edges or teeth to grab and scoop up the sediment or debris from the river or seabed. Once filled, the buckets are raised back to the surface and swung over the dredge's hull.

The dredge itself is equipped with a hopper or holding area where the excavated material is deposited. The swing ladder is designed to precisely position and deposit the extracted sediment or debris into the hopper, which can then be transported away for disposal or further processing.

In terms of content, here's an overview of the capabilities and benefits of a swing ladder dredge:

1. Efficient Excavation: The swing ladder mechanism allows for precise and controlled excavation of sediment or debris from the water body. The swinging motion enables the dredge to cover a wide area, ensuring thorough removal of material.

2. Versatility: Swing ladder dredges are versatile and can be used in a variety of environments, including rivers, harbors, estuaries, and coastal areas. They can handle different types of sediments, such as sand, silt, clay, and gravel.

3. Increased Capacity: The swing ladder dredge's hopper has a large capacity, enabling it to hold significant amounts of dredged material. This reduces the frequency of offloading and increases operational efficiency.

4. Precise Placement: The swing ladder's ability to position the excavated material accurately allows for targeted placement in the hopper. This facilitates efficient loading and prevents unnecessary spillage or waste.

5. Environmental Considerations: Swing ladder dredges are designed with environmental considerations in mind. They incorporate features to minimize turbidity and prevent the release of sediment back into the water. Additionally, they can be equipped with pollution control systems to mitigate any potential environmental impact.

6. Maintenance and Mobility: Swing ladder dredges are designed for ease of maintenance and can be easily transported to different locations. They often feature advanced systems for monitoring and controlling dredging operations, ensuring safe and effective performance.

Overall, swing ladder dredges play a vital role in maintaining navigable waterways, creating or maintaining channels for shipping, and improving water flow in rivers and estuaries. Their efficiency, precision, and versatility make them indispensable tools in dredging operations, supporting infrastructure development and environmental conservation efforts.

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Friday 14 July 2023

Highbanker Sluice Box: A Powerful Tool for Efficient Gold Prospecting

Highbanker Sluice Box: A Powerful Tool for Efficient Gold Prospecting

Gold prospecting has been a popular activity for centuries, captivating the imaginations of adventurers and treasure seekers. While traditional methods like panning are effective, modern technologies have revolutionized the process, making it more efficient and productive. One such technological advancement is the highbanker sluice box, an ingenious tool that enhances gold recovery by combining the best features of a sluice box and a power sluice. In this article, we will explore the highbanker sluice box and understand why it has become a go-to choice for serious gold prospectors.

1. Understanding the Highbanker Sluice Box:
A. Components and Design:
   i. Hopper: The highbanker sluice box begins with a wide-mouthed hopper that allows you to feed material easily. This feature reduces the time and effort required to load the system.
   ii. Grizzly: Positioned at the entrance of the hopper, the grizzly bars act as a filter, preventing larger rocks and debris from entering the sluice box and ensuring efficient processing of smaller material.
   iii. Sluice Box: The heart of the highbanker, the sluice box, is a channel with riffles that trap and capture gold particles. It is designed to maximize gold recovery by using gravity and water flow to separate the heavier gold from lighter materials.
   iv. Adjustable Legs: Highbanker sluice boxes often come with adjustable legs, allowing users to set up the system at a comfortable height, promoting ease of operation and reducing strain on the body.

B. Working Principle:
The highbanker sluice box utilizes the power of water to wash material through the sluice box and separate the gold from other sediments. By controlling the water flow and adjusting the angle of the sluice box, prospectors can customize the process to optimize gold recovery.

2. Advantages of Using a Highbanker Sluice Box:
A. Increased Processing Capacity:
Compared to traditional methods like panning, the highbanker sluice box has a significantly higher processing capacity. Its design allows for the handling of larger volumes of material, saving time and effort while increasing the chances of finding gold.

B. Efficient Gold Recovery:
The riffles in the sluice box are strategically placed to create turbulence in the water flow, which helps trap heavier gold particles. The combination of the sluice box design and controlled water flow ensures efficient gold recovery, even from fine sediments.

C. Versatility and Portability:
Highbanker sluice boxes are available in various sizes and configurations, making them adaptable to different prospecting environments. Furthermore, many models are designed to be lightweight and portable, allowing prospectors to easily transport and set up their equipment wherever they choose to explore.

D. Minimized Environmental Impact:
Using a highbanker sluice box can be more environmentally friendly than other methods that involve digging and disturbing large areas. The contained water flow and the ability to recycle water minimize the impact on the surrounding ecosystem.

3. Tips for Using a Highbanker Sluice Box:
A. Research and Location:
Thoroughly research potential gold-bearing areas and obtain permission to prospect on private lands. Familiarize yourself with local regulations and guidelines to ensure responsible prospecting.

B. Material Classification:
Pre-classifying the material before feeding it into the highbanker sluice box can improve efficiency. Removing larger rocks and unnecessary debris reduces the risk of clogging and allows the system to focus on processing finer sediments.

C. Adjusting Water Flow and Angle:
Experiment with different water flow rates and sluice box angles to find the optimal settings for gold recovery. This adjustment is crucial as it influences the speed at which material travels through the sluice box, affecting the chances of capturing gold particles.

D. Clean-Up and Maintenance:
Regularly clean the riffles and inspect the system for any signs of wear or damage. Proper maintenance ensures the highbanker sluice box operates at peak performance and extends its lifespan.

The highbanker sluice box offers gold prospectors a powerful and efficient tool for recovering gold from various terrains. Its ability to process larger volumes of material, combined with its versatility and portability, makes it an attractive choice for both beginners and experienced prospectors alike. By employing this innovative technology, modern-day adventurers can enhance their gold prospecting experience and increase their chances of uncovering valuable treasures.

highbanker sluice box for fine gold recovery.

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Thursday 13 July 2023

Warman 400mm GG dredge pump

Warman 16 inch 400 mm GG Dredge pump 

4000 m3 hour

Weight 9500 Kg


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Dredging Equipment for Sale

Tuesday 11 July 2023

Improving Water Quality: The Significance of Desilting

The Importance of Desilting in Water Management and Conservation

Desilting is a crucial process involved in the management and maintenance of water bodies, particularly rivers, reservoirs, and irrigation canals. It refers to the removal of silt, which consists of fine particles of sediment, from these waterways. Silt can accumulate over time due to erosion, agricultural runoff, or natural processes, and its presence can have several adverse effects on water quality and water flow.

The primary purpose of desilting is to improve the overall water quality within the system. Silt particles can carry pollutants, nutrients, and organic matter, negatively impacting the ecological balance of the water body. Desilting helps in reducing the concentration of these contaminants, leading to improved water clarity and purity. It plays a significant role in preserving the health of aquatic ecosystems by minimizing the impact of sediment-related pollution on aquatic organisms and their habitats.

Another important objective of desilting is to maintain the optimal storage capacity of reservoirs and water storage facilities. Over time, the accumulation of silt can reduce the effective capacity of these structures, limiting their ability to hold water during periods of high inflow. By removing the silt, desilting ensures that these water storage systems can fulfill their intended purpose, providing a reliable and sufficient supply of water for various purposes, including irrigation, drinking water, and industrial use.

Desilting also helps in ensuring efficient water conveyance systems, particularly in irrigation canals and channels. The accumulation of silt can obstruct the flow of water, leading to reduced conveyance efficiency and uneven distribution of water to agricultural fields. By removing the silt deposits, desilting enhances the water flow, improving irrigation efficiency and enabling a more uniform and effective distribution of water across the fields. This supports agricultural productivity and contributes to sustainable water management in agricultural regions.

The desilting process typically involves the use of specialized equipment, such as dredgers or excavators, to extract the silt from the water body. The extracted silt is often transported and disposed of in designated areas, ensuring that it does not reintroduce sediment into the system. Desilting operations are usually conducted during specific periods when the water flow is minimized to minimize disturbance to the ecosystem and maximize efficiency.

In summary, desilting plays a crucial role in maintaining the health and functionality of water bodies. It improves water quality, preserves storage capacity, and ensures efficient water conveyance systems. By removing silt deposits, desilting supports the overall ecological balance of aquatic ecosystems, enhances water availability for various purposes, and contributes to sustainable water management practices.

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Friday 7 July 2023

Water jet pump for dredging applications

Water jet pump

If you're in need of a waterjet pump system to enhance your dredge production or to break down compact materials like clay, we offer a range of water jet pump installations suitable for cutter suction dredgers or DOP pumps.

Waterjet pump systems are widely utilized in dredging activities to effectively break up dense materials such as clay and optimize dredge production. These systems employ high-pressure water jets to dislodge and transport sediment from the seabed.

Our manufactured diesel-driven water pumps are specifically designed for installation on jet suction dredgers or DOP pumps. These pumps are available in various types, each with different flow rates and pressure capacities.

For smaller-scale dredging operations where a lower flow rate suffices, Type 1 can deliver 125 cubic meters of water per hour at 8 bar pressure.

For larger-scale dredging operations that require a higher flow rate to maximize production, Type 2 offers a higher flow rate of 180 cubic meters of water per hour, also at 8 bar pressure.

For the most demanding dredging operations that necessitate maximum flow rates to achieve desired production levels, Type 3 is the highest-capacity pump in our product line, delivering a flow rate of 300 cubic meters of water per hour at 8 bar pressure.

All of our pump systems are mounted on a basic skid, facilitating easy transportation and installation at the dredging site. Our diesel-driven pumps offer several advantages, including high reliability, durability, and ease of maintenance. Furthermore, these pumps are exceptionally efficient, making them an ideal choice for high-performance waterjet pumps required in dredging operations.

Wednesday 5 July 2023

Gold mining equipment

Gold Mining Equipment


Gold mining equipment refers to the tools, machines, and other equipment used in the extraction and processing of gold from the earth. Some common examples of gold mining equipment include excavators, bulldozers, rock drills, crushers, and trommels. These tools are used to locate and extract gold deposits, break up and remove soil and rock, and process the raw materials into a form that can be refined into pure gold. Other specialized equipment may also be used depending on the specific mining operation and the scale of the project.

When used in combination with a dredger, gold mining equipment may include specialized tools such as suction dredges, which are used to extract gold and other minerals from the bottom of rivers, lakes, and other bodies of water. The dredger removes the sediment and material containing the gold, which is then processed using equipment such as sluice boxes, jigs, or centrifuges to separate the gold from other materials. Dredging for gold can be an effective way to extract large quantities of gold from waterways.

In addition to a dredger, gold mining equipment may also include a washplant, which is used to process the extracted material and separate the gold from other minerals and debris. A washplant typically includes equipment such as screens, sluice boxes, and shaking tables that use water and gravity to separate the gold from other materials. The extracted material is fed into the washplant, where it is scrubbed and washed to remove clay, dirt, and other impurities before being processed further. Washplants come in different sizes and configurations depending on the scale of the mining operation and the type of deposit being mined.

We have two gold sluichboxes on stock and can by used directly. We also sell a gold mining dredger separately to use in combination with this sluichboxes.

Installation and working princepels can be done at your working site. Feel free to contact us for more information. See our youtube video Gold Mining Wash Plant

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