product details
Hydraulic lifting dam Comparison with barrage, rubber dam and flap gate dam:
The construction cost of hydraulic lift dam is lower than that of sluice gate and rubber dam, and the management cost is smaller. The service life is more than 50 years, while the rubber dam can only be used for more than 10 years.
The hydraulic lift dam * * * has all the disadvantages of the traditional movable dam type, and at the same time it has all the advantages of the above three dam types: it is close to the river bed like a rubber dam without blocking water; Like the flap gate dam, the dam is automatically released for flood discharge, and the water level is kept at will; It is as durable as a sluice. Therefore, it is an active dam type all over the world:
1) Hydraulic lift dam is better than sluice gate and
The construction cost of rubber dam is much lower, the management cost is much lower, and the construction period is much shorter. The service life is more than 50 years, while the rubber dam can only be used for more than 10 years.
2) Flap gate dam has many disadvantages. It mainly includes: first, it can not withstand the impact of catastrophic floods; Second, it is easy to be blocked by floating objects or the upstream siltation cannot automatically turn over the plate, which affects the safety of flood control; Third, after the flood, the flap door was stuck by foreign matters when it was closed again, resulting in a large amount of water leakage, and had to drain the reservoir water for manual cleaning, which not only took time and effort, but also caused a large amount of water loss, reducing power generation.
3) The hydraulic lift dam eliminates all the shortcomings of the traditional movable dam type mentioned above. At the same time, it has all the advantages of the above three dam types: it is close to the river bed like a rubber dam without blocking water; Like the flap gate dam, the dam is automatically released for flood discharge, and the water level is kept at will; It is as solid and durable as a sluice gate, so it is a movable dam type all over the world. 
4) The hydraulic lifting dam has a scientific mechanical structure, which can adjust the water retaining height arbitrarily, and the movable water retaining height can reach more than 10 meters; Unlimited width; River bed with any geological conditions; No supporting piers and other water blocking objects shall be set in the river, which will not affect the safety of flood control; The dam body is beautiful, with arc design, and the dam surface can be sprayed with colors and patterns; When the upstream water volume is large, the waterfall landscape and water curtain corridor will be formed for tourists to watch.
The above characteristics make this dam type feasible to completely replace rubber dam, sluice gate and flap gate dam.
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