【正文】
層,層間結(jié)合較好,堅硬,風化較輕。水庫下游河道與流量關(guān)系見下表: 表 2 水庫下游河道與流量關(guān)系 水位( m) 246 247 248 249 250 251 252 253 254 255 流量( m3/s) 0 330 910 1670 2730 4700 5470 7700 8850 10750 ⑶ 電站裝機容量 電站裝機容量擬在 9000kW 左右,主要作調(diào)峰運行。 ⑵ 降水:多年平均降水量約 1550 ㎜,降水量在時間和空間上分布很不均勻,一般是深山多于淺山和丘陵區(qū),降水量的 %集中于 6~ 9月,其中 7~ 8月占年降雨量的%。 羅隱 以上控制流域面積約 2580Km2,多年平均降雨量 億 下游約 處有小電站,裝機 600KW。流域下游為該縣的主要產(chǎn)糧區(qū)和工業(yè)發(fā)展區(qū),由于受電力不足的影響,嚴重制約了該地區(qū)的經(jīng)濟發(fā)展。 在對設(shè)計圖的處理上,運用了 AutoCAD 的基本知識,使得繪圖更加方便,快捷,從而避免了手工繪圖得種種不便,提高了工作效率。 畢業(yè)設(shè)計對于我們來說,是一個獨立設(shè)計、創(chuàng)作的過程,其中的每一步和每一個環(huán)節(jié)都是對我們的考驗和鍛煉,它將成為我們今后的學習和工作做鋪墊,提高我們多方面的能力。它是在老師指導下,綜合運用四年 來所學知識和科學研究的基本內(nèi)容和基本工作程序,樹立較強的工作概念、工程概念、經(jīng)濟概念,培養(yǎng)分析問題和解決問題的能力,完成作為一個工程師的基本訓練,是為將來順利走向工作崗位提供業(yè)務(wù)知識和能力的保證。 2 英文摘要 Abstract This graduate design undertakes the part design of hydroelectric power station workshop arrangement of Luoyin Water conservation water and electricity project,the design was finished according to the primitive data that there has been and the geography diagram of the place ,which mainly were about the selection of hydroelectric power station sites ,the total arrangement ,the selection of the type of hydraulic turbine ,the choice of the size of the apiral case ,the choice of the draft tube size , the selection of the type of speed governor and butterfly valve , the calculation of the size of the water power factory ,the outlet arrangement of the tail channel ,the selection of the form ,the cubic quantity of digging etc. And the homologous flat arrange drawing and the cross section ,according to the request ,must be pleted. That hinge locates in the Xijiang river ,which locates in Dinghu District of guangdong province and is the ZhuJiang river for the most part and there are so abundant water power resources that they can be provided to set up the big and mediumsized reservoir and hydroelectric power station .The river valley downstream is the main food production area and the developped industy area of the country .The economic development of this region is serious restricted for not have enough electric power .In order to solve the problem and develop the water resources of the Laoguanhe the Luoyin Water conservation water and electricity project is drawn up constructed ,regarding generating electricity as the main goal ,joining together the flood control ,municipal useage ,farmland irrigation and water product etc. The design head of hydraulic turbine is are three generating units in the station,each capacity is 3200Kw,the electinstalled capacity is 9600kW. Keywords: peakload、 capacity、 capacity、 reservior、 generator、 turbine. 3 2 前言 水電站廠房是水工建筑物、機械及電氣設(shè)備的綜合體,是水能轉(zhuǎn)化為電能的生產(chǎn)場所,也是運行人員進行 生產(chǎn)和活動的場所。 水電站位于 廣東 省 鼎湖區(qū) 境內(nèi),位于 中國南方大河珠江干 流 西江 河上,水力資源豐富,可供修建大中型水庫和電站,流域下游為該縣的主要產(chǎn)糧區(qū)和工業(yè)發(fā)展區(qū)。 大學畢業(yè)設(shè)計 水電站廠房設(shè)計 學生姓名 石志豪 指導教師 李明理 班 級 2021屆 專 業(yè) 水利水電工程 學 院 大連理工大學 2021 年 2 月 10 日 目錄 1 摘要 ..................................................................... 1 中文摘要 ............................................................................................................................ 1 英文摘要 ............................................................................................................................ 2 2 前言 ..................................................................... 3 3 基本資料 ................................................................. 4 工程任務(wù) ............................................................................................................................ 4 基本資料 ............................................................................................................................ 4 4 廠房設(shè)計說明書 ........................................................... 6 ............................................................................................................................. 6 考慮因素 .................................................................................................................... 6 方案比較 .................................................................................................................... 6 水輪機型號的選擇 ............................................................................................................ 7 水頭計算 .................................................................................................................... 7 水輪機主要參數(shù)的確定 ............................................................................................ 8 尾水渠設(shè)計 ........................................................................................................................ 9 壓力管道直徑及蝶閥的確定 .......................................................................................... 10 損失計算 .......................................................................................................................... 10 沿程損失 .................................................................................................................. 10 局部損失 .................................................................................................................. 10 蝸殼尺寸的確定 .............................................................................................................. 12 尾水管尺寸計算 .............................................................................................................. 14 水電站廠房尺寸設(shè)計 ...................................................................................................... 14 主廠房高程的確定 .................................................................................................. 14 主廠房長度 L 的確定 .............................................................................................. 16 主廠房寬度確定 ...............................................................