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水利工程中闸门的作用

网址:www。qibiji58。com   2019-06-27  作者:admin    阅读:

水利工程中闸门的作用
The function of gate in Hydraulic Engineering
闸门是水工建筑物的重要组成部分之一,它可以根据需要封闭建筑物的孔口,也可全部或局部开启孔口,用于调节上下游水位和流量,从而获得防洪、灌溉、供水、发电、通航、过木过筏等效益,还可用于排除漂浮物、泥沙、冰块等,或者为相关建筑物和设备的检修提供了必要条件。闸门通常设置在取水输水建筑物的进、出水口等咽喉要道,通过闸门灵活可靠地启闭来发挥它们的功能与效益及维护建筑物的安全。   例如:在一些取水供水工程的输水管道上一般设置节制闸门,用于根据需要调节控制流量;在泵站进水口和一些隧道、涵管、倒虹管等的进、出水口一般设置有检修闸门,为检修水工建筑物和泵组设备提供条件;在水库溢流坝或溢洪道上一般设置有泄洪工作闸门,用于控制水库的水位和泄往下游的洪水流量,最大限度地发挥水库的功能效益。
Gate is one of the important components of hydraulic structures. It can close the orifice of the building according to the need, or open all or part of the orifice to regulate the water level and flow of upstream and downstream, so as to obtain the benefits of flood control, irrigation, water supply, power generation, navigation, rafting, etc. It can also be used to remove floating matter, sediment, ice, etc., or to inspect relevant buildings and equipment. The repairs provided the necessary conditions. Gates are usually located in the main throat of intake and outlet of intake and conveyance structures. They can play their functions and benefits and maintain the safety of buildings by opening and closing them flexibly and reliably. For example, in some water intake and water supply projects, control gates are generally set up to regulate the flow rate according to the need; in the intake of pumping stations and the intake and outlet of some tunnels, culverts, inverted siphons, etc., maintenance gates are generally set up to provide conditions for the maintenance of hydraulic structures and pumping equipment; and in reservoir overflow dams or spillways, flood discharge work gates are generally set up. It is used to control the water level of the reservoir and flood discharge downstream to maximize the functional benefits of the reservoir.

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