what are the countermeasures for the resource utilization of urban river silt?
inchina'syangtze river delta, the pearl river delta regionofmany cities distributed a large number of landscape rivers,they not only bear the function of water storageand flooding,it also has the effect of beautifying the urban environment. in order to m
in china's yangtze river delta, the pearl river delta region of many cities distributed a large number of landscape rivers, they not only bear the function of water storage and flooding, it also has the effect of beautifying the urban environment. in order to meet the standards of river water quality and water storage capacity, regular dredging is required, which will produce a large amount of urban river silt. according to statistics, the average annual amount of silt cleared from rivers in guangzhou, nanjing and other cities exceeds 1 million m³. how to effectively dispose of silt is a major problem facing the sustainable development of cities, and if it is not properly disposed of, it will have a negative social environmental impact.
the silt composition of the river is highly complex, and the silt composition is unstable, including garbage such as floating objects and fibers, as well as debris such as large stones, bricks, and branches it is difficult to clean up. due to the large hidden danger of harmful heavy metals, this makes it more difficult to dispose of silt. in the operation of clearing mud with water, due to the particularly high water content of the river silt, the silt particles are fine, the viscosity is large, and the dewatering is difficult 。 in addition, the current world's sludge treatment technology is mainly based on simple dehydration and consolidation, but the nature of the sludge is still active after simple treatment, and it is impossible to achieve harmless, stable and reduced treatment effects.
Desen Environnement has recently developed a skid-mounted river silt removal device that is considered a cost-effective silt treatment device suitable for the treatment of large amounts of dredged silt. Compared with other equipment, it has the advantages of lower cost, convenient construction, better soil mechanics after treatment and effective resistance to biodegradation, etc. The treated silt can be widely used in roads, embankments, low-lying land filling, building foundation filling and other projects. The operating cost of this equipment project is lower than that of similar foreign equipment, and the comprehensive disposal efficiency is higher; According to the different pollution components and pollution degree, it can also be equipped with mobile anti-flotation module and mobile thermal desorption module; And according to the specific requirements of customers, 5G intelligent control module can be added to realize the intelligent control of the whole set of equipment PLC and save labor costs. Feel free to call for advice on river silt treatment.
