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古尔图河梯级电站五级站可行性研究报告DOC

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古尔图河位于东经 83°40′~83°53′北纬 44°10′~44°51′之间。古尔图河源头位于北天 山中部的博罗克努山东段,源头山脊海拔高程一般在 4000rn 左右。是一条以冰川融水 补给为主的河流。该河流多年平均径流 10.9m^3/s,多年平均径流量 3.443 亿 m^3。 从海拔 1000 的出山口至乌伊公路附近高干闸段,河长 25.5km,河道落差 405m。 河道在山前倾斜平原区的洪积扇上部,地面纵坡较缓,流经砾石戈壁地区,河道渗漏损 失较大,冲刷切割能力较差,河床变为宽浅式的。 古尔图河已建的水利工程有古尔图河新、老渠首和古尔图河引水干渠。古尔图河 新、老渠首均建有曲线沉沙池、泄洪闸和引水闸。古尔图河干渠引水流量 45m^3/s 年均输 水量 3.04 亿 m^3,保证下游灌区 50 万亩耕地的灌溉用水;该干渠由古尔图河新渠首开始, 全长 25km,经过老渠首至高干闸,然后通过高干闸由柳干渠和高干渠向灌区输水。 本次工程拟建的古尔图河五级电站是接古尔图河四级发电后的尾水进行发电,再将 尾水投入六级电站发电。引水渠设计流量按 20.0m^3/s 确定,计入损失流量和冲沙流量后, 发电流量按 19.02m^3/s 确定。五级电站设计设计净水头 52.03rn,经计算其主要动能指标 如下,装机容量 8.2MW,保证出力 1.39MW,多年平均发电量 3194 万 kWh,装机年利 用小时 3896h。 本文的主要工作, (1)查阅、收集、整理古尔图河水文、工程地质及水能的相关资料; (2)依据相关数据确定电站装机容量、工程选址、工程布置等方案; (3)进行方案对比确定最优方案; (4)经济分析该项目的可行性。 关键词, 水能;径流;装机容量;固定资产价值; 静态投资IV Abstract Guertu river is located in east longitude 83 °40 '~ 83 °53' north latitude 44 °10 '~ 44 ° 51'. Guertu of river source is located in the middle of north tianshan mountain rock's shan do- ng section, the source of the ridge above sea level elevation is in commonly 4000 rn. Is a river mainly supplied by glacier melt water. The river runoff 10.9 m^3/ s, averaged over many years many years average runoff 344.3 million m^3. From an altitude of 1000 out of the mountain pass to wu yi road near gao gan brake section, 25.5 km long river, the river drop 405 m. The upper river in the piedmont inclined plain pluvial fan, ground longitudinal slope is slow, flowing through the gravel gobi area, river leakage loss is bigger, wash cutting ability is poor, into a wide river bed. Guertu river has built water conservancy projects have Guertu, new and old feeding and Guertu river diversion main canal. Guertu curve of the new and old river irrigation system are built sand basin, sluice gate and the gate. Guertu river main canal water diversion flow 45 m^3/ s average carrying capacity is 304 million m^3, to ensure that the downstream irrigation area of 500000 mu of farmland irrigation water; New irrigation system, the main canal by Guertu river total length of 25 km, after the old feeding to gao gan brake, then through political brake by willow main canal and high main canal irrigation water. This project proposed Guertu river five power station is meet gul diagram 4 power after the tail water for power generation, and then put into six levels of tail water power stations to generate electricity. Channel of design flow rate by 20.0 m^3/ s, included in the loss of flow and flushing flow, as defined by the 19.02 m^3/ s power flow. Five design water purification plant design head 52.03 rn, by calculating the main momentum indicators are as follows: the installed capacity of 8.2 MW, guarantee the output of 1.39 MW, for many years an average of 31.94 million kW power, h, installed using hours 3896 h. In this paper, the main job: (1) Consult, collecting, sorting, Guertu river water, engineering geology and water related information; (2) According to relevant data to determine plant installed capacity, the location of the project, such as project layout plan; (3) Scheme comparison to determine the optimal solution; (4) Economic feasibility analysis of the project. Keywords: Hydroenergy; Runoff;Installed capacity; Fixed assets value;Static investment.V 目 录 摘要...................................................................III ABSTRACT................................................................. IV 目 录.....................................................................V 第一章 综合说明..........................................................1 1.1 工程概况 ............................................................ 1 1.1.1 地理位置 ........................................................ 1 1.1.2 流域自然资源 .................................................... 1 1.1.3 流域规划的主要成果 .............................................. 1 1.1.4 可行性研究报告的编制依据......................................... 1 1.1.5 工程主要特性指标................................................. 2 1.2 工程建设的必要性和任务 .............................................. 2 1.2.1 工程建设的必要性................................................. 2 1.2.2 项目建设的有利条件............................................... 3 第二章 水文气象..........................................................4 2.1 流域概况 ............................................................ 4 2.2 气象 ................................................................ 4 2.3 水文测验 ............................................................ 5 2.4 径流分析 ............................................................ 5 2.4.1 径流特征......................................................... 5 2.4.2 径流分析......................................................... 5 2.4.3 枯水期径流分析................................................... 7 2.4.4 设计年径流及年内分配............................................. 7 2.5 洪水分析 ............................................................ 9 2.5.1 引水工程沿线洪水分析............................................. 9 2.5.2 推理公式......................................................... 9 2.5.3 降雨分析........................................................ 10 2.5.4 参数确定........................................................ 10 2.5.5 设计洪水计算成果................................................ 11 2.5.6 成果合理性分析.................................................. 11 2.6 泥沙 ............................................................... 11 第三章 工程规模.........................................................14 3.1 水利动能计算 ....................................................... 14 3.1.1 基础数据........................................................ 14 3.1.2 水利动能计算.................................................... 14 3.2 电站装机容量的确定 ................................................. 15 3.2.1 电站的运行方式.................................................. 15 第四章 工程选址、工程布置及主要建筑物....................................17 4.1 工程等别和设计标准 ................................................. 17VI 4.1.1 永久工程级别及防洪标准.......................................... 17 4.1.2 临时工程防洪标准................................................ 17 4.1.3 建筑物抗震设防标准.............................................. 17 4.2 工程选址 ........................................................... 17 4.2.1 水能规划结论.................................................... 17 4.2.2 工程规模复核.................................................... 18 4.2.3 站址比选 ....................................................... 19 4.2.4 引水渠线比较 ................................................... 19 4.3 工程总布置及主要建筑物型式 ......................................... 21 4.3.1 推荐方案总布置.................................................. 21 4.3.2 节制引水闸...................................................... 21 4.3.3 渠道工程布置.................................................... 21 4.3.4 厂区工程布置.................................................... 22 4.3.5 前池型式........................................................ 23 4.3.6 压力管方案比较.................................................. 24 4.4 主要建筑物设计 ..................................................... 25 4.4.1 节制引水闸...................................................... 25 4.4.2 引水渠及渠系建筑物.............................................. 27 4.4.3 前池............................................................ 31 4.4.4 压力管道........................................................ 35 4.4.5 泄水陡坡........................................................ 40 4.4.6 主副厂房及开关站................................................ 44 4.4.7 节制退水闸...................................................... 46 4.4.8 工程安全监测.................................................... 47 第五章 机电及金属结构....................................................49 5.1 水力机械 ........................................................... 49 5.1.1 电站基本参数.................................................... 49 5.1.2 水轮机型式...................................................... 49 5.1.3 机组台数和单机容量.............................................. 49 5.1.4 机型比选及机组主要参数选择...................................... 56 5.1.5 机组安装高程的确定.............................................. 59 5.1.6 水轮机附属设备选择.............................................. 59 5.1.7 调节保证计算.................................................... 60 5.1.8 水力机械主要设备布置............................................ 61 5.2 金属结构 ........................................................... 61 5.2.1 节制分水闸...................................................... 61 5.2.2 前池部分........................................................ 62 5.2.3 尾水部分........................................................ 62 第六章 经济评价.........................................................64 6.1 项目概况 ........................................................... 64 6.2 项目经济评价依据及参数确定 ......................................... 64 6.3 财务评价 ........................................................... 64VII 6.3.1 资金筹措方案.................................................... 64 6.3.2 投资计划........................................................ 64 6.3.3 电站基础数据.................................................... 66 6.3.4 总成本费用估算.................................................. 66 6.3.5 发电效益计算.................................................... 70 6.3.6 财务评价指标.................................................... 72 6.3.7 盈利能力分析.................................................... 72 6.3.8 偿债能力分析.................................................... 72 6.3.9 财务敏感性分析.................................................. 72 6.4 评价结论 ........................................................... 78 第七章 结论与展望.......................................................79 7.1 结论 ............................................................... 79 7.1.1 环境影响........................................................ 79 7.1.2 评估结论........................................................ 79 7.2 展望 ............................................................... 79