Current label: Flap gate
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The automatic flap gate can automatically control the water level and is mainly used to intercept or discharge water flow in reservoirs, rivers, reservoirs, etc. The automatic flap gate is also called the hydraulic automatic flap gate. Its working principle is lever balance and rotation. Specifically, the hydraulic automatic flap gate uses the hydraulic power and gate weight to balance each other, and achieves the purpose of regulating the water level by adding a damping feedback system
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The hydraulic automatic flap gate is composed of prefabricated reinforced concrete panels, legs, piers, rollers, connecting rods and other metal components. The gate does not need any external power and manual service. It is completely controlled by the increase and decrease of upstream inflow, the rise and fall of water level, and the change of pressure acting on the gate. Through the cooperation of legs, piers and rollers, the fulcrum changes with the opening to realize the opening of the gate
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Hydraulic control flap gate: the hydraulic automatic flap gate can only be opened gradually when the water level reaches a certain level, and the higher the opening is, the higher the water level is required. When small floods (such as once a year, once every two years) occur, the upstream water level cannot reach the full open water level of the gate, and the gate cannot be fully opened, resulting in flood discharge capacity and flood discharge requirements, Cause upstream water
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The bed type flap gate is suitable for projects such as hydropower, municipal construction, water supply and drainage, aquaculture, agricultural water conservancy construction, tourism development, etc. Common barrages include traditional hoisting gate, flap gate and rubber dam relying on winch. But at present, all the water retaining gates are faced with various natural environmental factors in the river and garbage and waste caused by human production and life
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In the construction of the flap gate of the reservoir, with the needs of urban water use, landscape construction, environmental improvement, irrigation and power generation, flap gates, sluices and rubber dams are widely used. However, the production of rubber dams is relatively complex, and it takes a long time to fill (inflate) the dam to rise or drain (deflate) the dam to collapse during operation, which affects the rapid closure or flood discharge. In addition, rubber is prone to aging
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The flap gate is a hydraulic automatic flap gate, and its working principle is lever balance and rotation. Specifically, the hydraulic automatic flap gate uses hydraulic power and gate weight to balance each other, and achieves the purpose of regulating water level by adding a damping feedback system: when the upstream water level rises, the gate gradually opens around the "horizontal axis" for discharge; On the contrary, if the upstream water level drops, the gate will gradually close for water storage, so that