【正文】 西華大學(xué)畢業(yè)設(shè)計(jì)說(shuō)明書(shū) I 水電站廠房設(shè)計(jì) (引水隧洞和廠房 )畢業(yè)設(shè)計(jì)說(shuō)明書(shū) 目 錄 摘 要 ................................................................................................................1 前 言 ................................................................................................................3 1 基本資料 .....................................................................................................4 工程概況 ...................................................................................................... 4 工程地質(zhì) ...................................................................................................... 4 樞紐布置情況 ............................................................................................ 7 工程特性表 .................................................................................................. 7 2 樞紐布置 ...................................................................................................11 廠房類型確定 ............................................................................................. 11 3 主要設(shè)備的選擇 ...................................................................................... 12 水輪機(jī)型號(hào)及主要參數(shù)選擇 ................................................................... 12 水輪機(jī)機(jī)組臺(tái)數(shù)和單機(jī)容量選擇 ........................................................ 12 水輪機(jī)型號(hào)選擇 ..................................................................................... 13 水輪機(jī)主要參數(shù)選擇 ............................................................................ 13 3 .2 水輪機(jī)重量估算 ..................................................................................... 16 轉(zhuǎn)輪重量估算 .......................................................................................... 16 發(fā)電機(jī)型號(hào)的選擇 .................................................................................. 16 起重設(shè)備的選擇 ...................................................................................... 16 起重機(jī)的型號(hào)確定 ............................................................................... 17 4 引水系統(tǒng)的設(shè)計(jì) ...................................................................................... 19 進(jìn)水口設(shè)計(jì) .............................................................................................. 19 進(jìn)水口的類型 ....................................................................................... 19 西華大學(xué)畢業(yè)設(shè)計(jì)說(shuō)明書(shū) II 供水方式的選擇 ................................................................................... 19 引水道直徑計(jì)算 ................................................................................... 19 進(jìn)水口尺寸計(jì)算 ................................................................................... 20 進(jìn)水口高程計(jì)算 ................................................................................... 23 引水道設(shè)計(jì) .............................................................................................. 24 線路比較 ............................................................................................... 24 調(diào)壓室設(shè)計(jì) .............................................................................................. 25 調(diào)壓室作用 ........................................................................................... 25 調(diào)壓室的設(shè)置判斷 ............................................................................... 25 調(diào)節(jié)保證計(jì)算 .......................................................................................... 26 調(diào)節(jié)保證計(jì)算的任務(wù) ............................................................................ 26 調(diào)節(jié)保證計(jì)算的目的 ............................................................................ 26 調(diào)節(jié)保證計(jì)算的標(biāo)準(zhǔn) ............................................................................ 27 調(diào)節(jié)保證計(jì)算的內(nèi)容 ............................................................................ 27 調(diào)節(jié)保證計(jì)算過(guò)程 ............................................................................... 27 水頭損失計(jì)算 .......................................................................................... 31 沿程水頭損失計(jì)算 ............................................................................... 31 局部水頭損失計(jì)算 ............................................................................... 32 壓坡線的繪制 .......................................................................................... 33 5 廠房布置設(shè)計(jì) .......................................................................................... 34 蝸殼尺寸的確定 ...................................................................................... 34 尾水管單線圖的繪制 ............................................................................... 36 進(jìn)口直錐段計(jì)算 ................................................................................... 37 肘管計(jì)算 ............................................................................................... 37 出口擴(kuò)散段計(jì)算 ................................................................................... 37 西華大學(xué)畢業(yè)設(shè)計(jì)說(shuō)明書(shū) III 尾水管高度 ........................................................................................... 38 尾水管單線圖 ....................................................................................... 38 廠房平面尺寸計(jì)算 .................................................................................. 38 主廠房長(zhǎng)度計(jì)算 ................................................................................... 38 主廠房寬度計(jì)算 ................................................................................... 40 主廠房的剖面設(shè)計(jì) ............................................................................... 42 廠房樞紐布置 .......................................................................................... 45 安裝間的位置選擇及計(jì)算 .................................................................... 45 尾水平臺(tái)的布置 ................................................................................... 46 廠房電氣設(shè)備布置 .................................................................