解析水电站涡轮口打捞拦污浮筒使用方法| 将采用钢丝绳张拉的电站进水口浮式拦污排假设为理想的悬索（平面柔性结构），把水流、风和波浪等对浮式拦污排的作用简化为作用在悬索的荷载，建立数学模型，对其设计参数进行分析。结果认为导出公式的计算精度能满足工程设计需要，表达形式适合工程设计使用。%The floating trash barrier designed for the intake of hydropower station was assumed to be an ideal cate⁃nary system(planar flexible system)by use of steel wire tension,and the action of water flow,wind and wave onto the barrier were simplified as loads on the catenary system,based on which the mathematical model was set up and the design parameters were analyzed. It was concluded that the calculation results out of the derived formula can sat⁃isfy the accuracy requirements and the formula form is applicable for engineering design.
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| 大坝活动拦污浮筒装置,设置在拦污排与大坝连接处的缺口处,包括浮筒,夹网浮筒,拦污夹网,浮筒钢索,工字钢,滑轮总成,配套螺栓,固定钢扣,活动钢圈,弹簧钢绞线,托举浮筒,橡胶垫层.随着水位的增加,浮筒,夹网浮筒带动连接的拦污夹网上升,夹网浮筒组始终保持大拉力状态,使垃圾漂浮物被拦截在夹网浮筒前.本实用新型结构合理,稳定性好,便于安装和更换;材料及安装费用较为经济,拦污效果可靠,具有广阔的推广前景. |
| 为改善水上工程现有治漂措施存在功能相互独立,操作被动,效率低等不足,**工程效益和水面安全,依据漂浮物特性,河势及工程布置特点,利用水力一体治漂浮排,浮槽,浮闸进行水力学模型试验,对水力一体拦,导,清(排)漂治理技术进行研究,多方案组合试验均取得因势利导一体化综合治漂效果.其中,主要技术"水力一体治漂浮排"经工程现场实际运用检验可实现主动,大量治漂,可拦截各类大型危险漂浮物,减少中间操作环节.研究结果表明,水力一体化治漂方式能够适应漂浮物特点,改善治漂方式,可以为工程长效稳定治漂提供技术支撑,其实用装备可应用于各类相关工程,为水上枢纽构建水面安防系统提供技术支持. |
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