紧水滩水电站枢纽布置及机墩设计说明书.doc
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- 紧水滩 水电站 枢纽 布置 设计 说明书
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1、摘 要J电站在瓯江上游干流梯级开发的第一级水电站,工程以发电为主,兼顾航运、放木及防洪等综合利用要求。瓯江流域处浙东南沿海山区,属于年调节水库。本次设计的水库死水位为264.0m,正常蓄水位为284.5m。根据历史洪水资料设计洪水(P=0.1%),水库的设计洪水位290.5m。校核洪水位(P=0.01%)为292.20m。根据地形地质的特点选择坝型为重力坝,坝长288m。其中溢流坝段长107.5m,其中有7孔溢洪道,净宽73.5m。水电站进水口中心线高程257m。水电站装机容量为19万kW,四台机组单机4.75万kW。水轮机型号为HL220-LJ-300;为坝后厂房顶溢流式厂房,开关站布置在右
2、岸。主厂房总宽定为19m,总长79.8m。水轮机安装高程为202.04m。起重机选用电动双钩桥式起重机,最大起重量选2100吨,跨度选用16m。装配场长度取20.8m,进场公路布置在左岸。副厂房是为保证水电站正常运行需要,设置在主厂房与坝的间隙。主要布置各种机电辅助设备、房间、生产间和必要生活设施房间。 AbstractJ plant is the first step hydropower station in upper reaches of the Oujiang River. The main purpose of the project is to generate electric
3、ity, but also considered the woods of the shipping and protect floods. Oujiang River basin located in the southeast area which is near the say in Zheijang Province, and the plant is a year adjust reservoirThis design determined the dead water level is 264.0m, the normal water level is 284.5m. Accord
4、ing to the historical flood date (P=0.1%), the designed flood level is 290.5m, the proofread level is 292.20m (P=0.01%).According to the characteristics of geology and topography, gravity dam was chosen. The total length of the dam is 288m, and the over-flow dam is 120.5m, and eighi holes over-flow
5、causes is set, and the last, the net width is 100m. The elevation of the water intake of the plant is 254.2m.The total electric capacity is 190,000kW,and four generates whose capacity is 47500kW was installed. The type of the turbine is HL-220-LJ-300. The units are installed in the main power house.
6、The width of the main power house is 19m,the length is79.8m. All kinds of auxiliary equipment and other kinds of rooms assemble in deputy house.目录摘 要1Abstract21水文地址情况与枢纽布置71.1 流域概况71.2 水文与气候61.3 地形与地质81.3.1 水库区工程地质81.3.2 坝址地质91.4 天然建筑材料91.4.1 土料:91.4.2 砂石料:91.5给定设计控制数据91.5.1 设计资料91.5.2 设计任务101.6枢纽布置
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