Sand-digging And Sediment-clearing Integrated Vessel

The sand-digging and silt-clearing integrated vessel (also known as the dredging integrated vessel or the ecological silt-clearing integrated platform) is an efficient waterborne engineering equipment that integrates functions such as excavation, transportation, screening, dehydration, and wastewater treatment. Through modular design, it achieves a closed-loop operation of the "digging, transporting, and treating" process, and is widely used in water bodies such as rivers, lakes, ports, and oceans for dredging and environmental protection.

The dredging and sediment removal vessels mainly include types such as suction dredgers, scraper dredgers, and straight-arm dredgers. They suck the underwater sediment through the cutter, scraper head, or suction pump, and then transport it through pipelines to the vessel or the shore for treatment. Typical representatives include the "Taihu Light" ecological dredging integrated platform (consisting of an environmental protection dredging vessel, a screening and regulating vessel, a dewatering and volume reduction vessel, and a wastewater treatment vessel, etc.), as well as super-large scraper dredgers such as the "Tongjun" and "Jun Guang" vessels. These equipment have achieved a technological leap from the traditional single excavation process to a fully integrated "excavation - transportation - processing - discharge" entire chain.

1.High efficiency and low consumption
Simple operation method, low maintenance cost, high production efficiency, low cost of construction, easy to move
Diverse functions
Wide range of applicable working conditions, including extraction, transportation, discharge and treatment, all processes completed in one step. Sand extraction and dredging, continuous operation.

2.Widely applied
It is widely used for dredging of small and medium-sized waterways, harbors and lakes in various regions. It can also play a role in farmland renovation and embankment construction.
A wide range of models with various types. Professional manufacturers with full range of models have sufficient stock in stock and can be customized according to demand.

Efficient Integration
Integrates multiple processes such as dredging, screening, dehydration, and wastewater treatment, forming an "on-water mobile factory" that significantly enhances operational continuity and overall efficiency. Intelligent and Environmental Protection
Equipped with an intelligent monitoring system, it enables "one-click dredging", remote control, and automatic operations; uses environmentally friendly augers and low-disturbance design, and the treated wastewater can reach Class III standards for surface lakes and reservoirs, achieving "no land occupation for silt and no wastewater discharge to the shore"
Strong Adaptability
The modular design enables the fleet to be flexibly combined and reused across different scenarios; technologies such as shallow draft and dual steel pile positioning make it suitable for various water bodies including inland rivers, lakes, reservoirs, and the ocean
Large Excavation Depth and Long Discharge Distance
The maximum excavation depth can reach 120 meters , and the blowout distance exceeds 12 kilometers. The single-ship operation coverage is extensive
High Concentration and High Efficiency
The dredging concentration can reach over 50% (three times that of ordinary vessels), with a daily clearage volume of up to 5,000 cubic meters. The daily treatment volume can reach 600-2,200 cubic meters per hour.

Water Conservancy and Environmental Clean-Up
Lake and River Management: Ecological dredging of large lakes such as Taihu Lake and Dongting Lake, removal of nutrient-rich sediment to improve water quality
Reservoir and Pond Dredging: Maintenance and dredging of small and medium-sized water bodies to restore capacity and ensure water supply safety.
Urban Blackwater Body Remediation: In coordination with residual water treatment systems, achieve simultaneous dredging and water quality improvement.
Port and Waterway Engineering
Channel Development and Maintenance: Dredging and widening of coastal and inland river channels to ensure navigable water depth
Port and Wharf Construction: Excavation of harbor basins and dredging of base channels to provide conditions for port expansion.
Silt Laying for Land Reclamation: Utilization of dredged silt for land filling, used for port expansion, artificial island construction, etc.
Marine and Special Operations
Deep-sea Sand Extraction: Providing sand sources for coastal engineering.
Deep-sea Mining and Pipeline Laying: Used for underwater mineral resource extraction, pipe excavation and backfilling, etc.
Emergency Rescue: Flood control rescue, river dredging after disasters, etc.
Industry and Resource Development
Sand Mining and Mineral Extraction: Used for river sand and sea sand mining, as well as preliminary extraction of sand gold, tin sand, etc. Industrial sedimentation tank cleaning: Regular dredging of sedimentation tanks in chemical, mining and other enterprises

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