Dredging Applications on Environmental XPRT

Dredging

Dragflow dredging equipments are widely used in underwater excavation and dredging activities. Dragflow pumps are design to work both in shallow seas, or fresh water areas, as well as in deep water applications. The unique design of dredging cutters allows Dragflow equipments to reach an exceptional solid concentration also in presence of very compact soil.

By Dragflow S.r.l. based in Villafranca, ITALY.

Dredging Support Services for the Dredging Industry

By Diomar Services Inc. based in Voula, GREECE.

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Dredging for flood control

Watermaster Classic can move and work in extreme conditions. Because of this Watermster is ideal for preventing e.g. floods and damage caused by flooding. This multipurpose dredger can operate where no other machine can.

By Watermaster - Aquamec Ltd. based in Säkylä, FINLAND.

Automated solutions for the marina dredge and canal dredging

The 8” Swinging Ladder Dredge is ideal for channels, rivers, marinas, lakes, and canals where maneuverability and wider cuts improve productivity. The 8” Swinging Dragon Dredge uses an 8” x 8” high chrome, hull mounted dredging pump for wear resistant, efficient pumping. The dredge can cut a maximum path of up to 22’ wide allowing the dredge to cut a wider path than most one truck transportable dredges.

By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

Dredging solutions for mining industries

By SRS Crisafulli, Inc. based in Glendive, MONTANA (USA).

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Monitor Dredging Slurry Flow

Thousands of dredges are operated to maintain navigation channels in our rivers, lakes and harbours and to mine sand and gravel for the construction industry. Managing and optimizing production from a dredge requires continuous monitoring of pipeline pressure, vacuum and slurry velocity. The operating conditions are extremely harsh and any sensing components in contact with the abrasive slurry can be damaged. But dredge operators need accurate real-time flow information to properly manage production so equipment manufacturers have been seeking innovative monitoring solutions...

By Greyline Instruments Inc. based in Long Sault, ONTARIO (CANADA).

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Environmental dewatering solutions for environmental dredging

TenCate Geotube technology helps to dewater and contain contaminated sediments in rivers, bays, harbors, marinas, ports, dock facilities, hydro basins and other waterways. In many cases, these sediments pose significant environmental hazards, and remediation is a difficult and expensive task.

By TenCate Geosynthetics Netherlands bv based in AE in Nijverdal, NETHERLANDS.

Separation solutions for dredging industry

Dredging is the process of removing organic and/or inorganic sediment from the bottom of shallow water bodies in order to economically dispose of those sediments and/or have them repurposed for land farming or construction purposes. Elgin Separation Solutions manufactures effective solid recycling systems capable of handling high flow capacity. Elgin`s linear motion shakers have the largest screening surface area on the market. In addition, we have complete desilter and desander hydrocyclone manifolds incorporated into packaged trailer mounted systems making for an ideal mobile recycling solution.

By Elgin Separation Solutions based in Stafford, TEXAS (USA).

SONARtrac - Dredging - Cutter Vessels

Cutting efficiency is greatly affected by variability in soil density, hardness, lithology, and sediment particle size distribution. All of these factors create slurry of variable makeup and density. If the dredge pump works at a constant speed, the slurry will have a variable flow velocity, which is undesirable and potentially dangerous. If the velocity is too low, there is a risk of sandouts in the pipeline. If the velocity is too high, the pump will wear and be inefficient. Traditional velocity flowmeters with wetted parts are prone to wear, causing measurement inaccuracies, and require frequent, costly replacements

By CiDRA Corporate Services Inc based in Wallingford, CONNECTICUT (USA).

Automated solutions for the environmental cleanup dredging

Environmental cleanup is an important application for LWT dredges. Mud Cat and Pit Hog dredges are used for chemical and biological cleanup in harbors, rivers and lakes. The patented auger shroud on the Mud Cat dredges minimizes turbidity, and entraps suspended material for suction efficiency. LWT’s automated controls and instrumentation allows the operators to assess real time performance of the dredge technology.

By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

Automated solutions for the environmental remediation dredging

LWT’s dredging systems are used for environmental remediation and cleanup. The automated dredging systems from LWT can handle the toughest contaminated sludge and keep operators safe with radio remote operation. Bio-degradable hydraulic oil used in the dredges eliminates any environmental hazards.

By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

Dredging and pumping solutions for chemical companies

By SRS Crisafulli, Inc. based in Glendive, MONTANA (USA).

Automated solutions for the sewer pipeline dredging - sewer dredge

LWT’s Robotic Crawler Dredge can be used for underwater dredging applications, such as sewer pipeline dredging and tank cleanout. Models are available in electric driven pump and hydraulic driven pump versions, depending on the application.

By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

Automated solutions for the hazardous waste pit dredging

Liquid Waste Technology’s electric and diesel driven dredges can improve safety for workers dredging hazardous materials. Our custom built dredges can be equipped with remote control to allow workers to stand up to 762 meters (2500 feet) away from the toxic area, increasing their safety. Liquid Waste Technology can build dredges with automated controls, that dredge entire ponds using PLC controls. This increases workers safety and productivity in hazardous dredging applications.

By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

Dredging solutions for oil refineries

By SRS Crisafulli, Inc. based in Glendive, MONTANA (USA).

Automated solutions for the power plant inlet water dredging

Liquid Waste Technology’s dredging systems are used for power plant cooling water dredge applications. LWT’s dredges are designed to remove the sand, silt and sediment that build up in reception ponds and inlet channels to power plants. Each dredging system is custom built for the inlet water application, including the level of automation, removal rate and dredging depth required for each job.

By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

Automated solutions for the industrial lagoon / pond dredging

Liquid Waste Technology’s dredging systems are widely used for industrial lagoon dredging applications. Electric driven or diesel engine driven dredges are used for removing mine tailings, dredging chemical processing waste ponds, and slag recovery. Automation can be added to make dredging industrial lagoons more efficient and productive.

By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

Dredging and pumping solutions for municipal wastewater treatment

By SRS Crisafulli, Inc. based in Glendive, MONTANA (USA).

SONARtrac - Dredging - Hopper Vessels

Soil density, hardness, lithology, and sediment particle size distribution can create slurry of variable makeup and density. At a constant pump speed, the slurry will have a variable flow velocity, which is undesirable and potentially dangerous. If the velocity is too low, there is a risk of sand outs in the pipeline. If the velocity is too high, the pump will wear and be inefficient. Traditional velocity flow meters with wetted parts are prone to wear, causing measurement inaccuracies, and require frequent, costly replacements. In addition, the presence of entrained gases may disturb the readings of traditional flowmeters and cause slurry density measurements to be inaccurate.

By CiDRA Corporate Services Inc based in Wallingford, CONNECTICUT (USA).

Automated solutions for the wastewater treatment pond / lagoon / plant dredging

LWT’s dredging systems can be used for wastewater treatment plant, pond, lagoon dredging applications. Complete automated remote controlled dredging systems result in increased plant efficiency, and accommodate increased plant flow. One of the keys to successful automated controls is the ability of the dredge system to feed a constant percentage of solids to the pressing plant, using in-line density and flow meters to allow the operators to dial in the desired rate of solids.

By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

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