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一. Core structure and working principle
1. Chain bucket system
- The bucket chain is composed of buckets connected in series, and the upper guide wheel drives the bucket chain to rotate continuously along the bucket bridge. The bucket digs the silt deep into the riverbed, lifts it to the water surface, and then dumps the silt at the top of the bucket tower.
- The bucket and the transmission chain are fixed with T-shaped connectors to enhance the structural stability and prevent deformation under heavy load.
2. Silt treatment process
- The silt is unloaded into the mud transport ship through the conveyor belt, and the iron screen is used to filter stones and garbage on the way to ensure the purity of the mud.
- Some high-end models are equipped with silt collection bins to achieve layered filtration (separation of large particles), drainage and classified collection to reduce secondary pollution.
3. Auxiliary function module
- Salvage device: A mobile salvage net is set on the side of the ship to clean up suspended pollutants on the water surface and improve water quality.
- Lifting mechanism: The chain bucket is adjusted to the depth of exploration through the drum to adapt to different water depth conditions.
- Self-propelled power: The tail is equipped with a propeller, which can flexibly transfer the operating area without a tugboat.
二. Technical advantages and performance parameters
1. Efficient dredging capacity
- The average daily dredging volume is 500 cubic meters, which is 30 times the efficiency of manual dredging.
- The large industrial-grade ship has an hourly processing capacity of more than 850 tons, which is suitable for large reservoirs.
2. Environmental adaptability
- It can dig silt, clay, sand and gravel mixed soil, and has a strong processing capacity for river channels containing stones.
- The hull design is flexible, small ships are suitable for narrow rivers, and large ships can be disassembled for transportation and assembly.
3. Precision and environmental protection
- The cross-section of the trench is regular and flat, which reduces damage to the riverbank structure, especially suitable for precision engineering such as ports and dams.
- After silt filtration, the mud can be used as a resource (such as farmland fertilizer). Experiments show that river mud fertilization increases rice fields by 33.5% (683 kg per mu vs 511 kg in the control field).
三. Innovation and patented technology
- Positioning and infrared system: used to accurately control the position of the chain bucket digging and reduce ineffective operations (patent pending).
- Multifunctional integrated design: such as chain bucket ship, integrated lifting, salvage, and silt classification modules to improve comprehensive pollution control capabilities.
Summary
Chain bucket dredging ship has become the core equipment of modern river management through modular mechanical design and resource-based silt treatment. Its innovation combines folk wisdom and industrial technology to promote ecological circulation while improving dredging efficiency, providing engineering and technical support for the goal of "green water and green mountains".
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