緊水灘水電站樞紐布置及鋼管應(yīng)力計(jì)算黃璟說(shuō)明書(shū)畢業(yè)論文.doc

水利水電工程專(zhuān)業(yè)畢業(yè)設(shè)計(jì)1摘要緊水灘電站在甌江上游干流梯級(jí)開(kāi)發(fā)的第一級(jí)水電站，工程以發(fā)電為主，兼顧航運(yùn)、漂木及防洪等綜合利用要求。甌江流域處浙東南沿海山區(qū)，屬于年調(diào)節(jié)水庫(kù)。本次設(shè)計(jì)的水庫(kù)死水位為264m，正常蓄水位為284m。根據(jù)歷史洪水資料設(shè)計(jì)洪水（P=0.1%），水庫(kù)的設(shè)計(jì)洪水位290.0m。校核洪水位（P=0.01%）為292.0m。水電站裝機(jī)容量為20萬(wàn)kW，三臺(tái)機(jī)組單機(jī)5.0萬(wàn)kW。水輪機(jī)型號(hào)為HL220-LJ-330；發(fā)電機(jī)型號(hào)為定做；為壩后廠房頂溢流式廠房，開(kāi)關(guān)站布置在左岸。主廠房總寬定為19m，總長(zhǎng)73.5m。水輪機(jī)安裝高程為203.53m。起重機(jī)選用電動(dòng)雙鉤橋式起重機(jī)，最大起重量選2125噸，跨度選用16m。裝配場(chǎng)長(zhǎng)度取15.5m，進(jìn)場(chǎng)公路布置在左岸。副廠房是為保證水電站正常運(yùn)行需要，設(shè)置在主廠房上游側(cè)。主要布置各種機(jī)電輔助設(shè)備、房間、生產(chǎn)間和必要生活設(shè)施房間。電站建成后主要擔(dān)任華東電網(wǎng)調(diào)峰并供電麗水、溫州將使麗、溫兩地區(qū)通過(guò)220千伏輸電線路聯(lián)系，形成浙南電力系統(tǒng)。此外，電站的建設(shè)，將帶動(dòng)當(dāng)?shù)毓まr(nóng)業(yè)發(fā)展，為當(dāng)?shù)鼐用駝?chuàng)造就業(yè)條件，改善當(dāng)?shù)厣鐣?huì)經(jīng)濟(jì)，促進(jìn)當(dāng)?shù)匾约爸車(chē)貐^(qū)的發(fā)展。緊水灘水電站布置及壓力鋼管應(yīng)力計(jì)算2AbstractTheJinshuitanhydropowerstationisthefirststephydropowerstationinupperreachesoftheOuJiangRiver.Themainpurposeoftheprojectistogenerateelectricity,butalsoconsideredtheflowingwoodsandthefloodsprotection.OuJiangRiverbasinlocatedinthesoutheastareainZheJiangProvince,andthehydropowerstationisayearadjustreservoirThedesigndeadwaterlevelis264m,andthenormalwaterlevelis285m.Accordingtothehistoricalflooddate(P=0.1%),thedesignedfloodlevelis291.0m,theproofreadlevelis292.0m(P=0.01%).Thetotalelectriccapacityis200,000kW,andthreegenerateswhosecapacityis50,000kWareinstalled.ThetypeoftheturbineisHL-220-LJ-330,andwehavethetypeofthegeneratormadeinorder.Thepowerhouseissituatedundertheover-flowdam.Thewidthofthemainpowerhouseis19m,andthelengthis73.5m.Allkindsofauxiliaryequipmentandotherkindsofroomsareassembledindeputyhouse.Whenthehydropowerstationisconstructed,itwillregulatetheelectricnetworkofthesoutheastofChina,anditalsosuppleelectricitytoLiShuiandWenZhou.Atlast,anetofelectricitywillbeformed.Additionally,theconstructionofthehydropowerstationwillspuronthedevelopmentoftheindustryandagriculturesinthearea.Itwillalsospuronthejobimprovementoftheeconomiccondition.水利水電工程專(zhuān)業(yè)畢業(yè)設(shè)計(jì)3目錄第一章自然地理及工程地質(zhì).51.1流域概況.51.2水文與氣候.51.3地形與地質(zhì).61.3.1水庫(kù)區(qū)工程地質(zhì).61.3.2壩址地質(zhì).71.4天然建筑材料.71.4.1土料.71.4.2砂石料.7第二章經(jīng)濟(jì)、水利與動(dòng)能.72.1工程效益.72.2特征水位及機(jī)組型號(hào).8第三章機(jī)組選型.83.1特征水位.83.1.1Hmax可能出現(xiàn)情況.83.1.2Hmin可能出現(xiàn)情況.103.1.3avH的計(jì)算.103.2水輪機(jī)的選擇.113.2.1HL220工作參數(shù)確定.113.2.2HL200工作參數(shù)確定.13第四章發(fā)電機(jī)選型及主要尺寸.154.2外形尺寸（單位：cm）.164.2.1平面尺寸.164.2.2軸向尺寸.16第五章金屬蝸殼尺寸.17第六章尾水管尺寸.17第七章調(diào)速器及油壓裝置選擇與尺寸.187.1調(diào)速功計(jì)算：水輪機(jī)的調(diào)速功.187.2接力器選擇.187.2.1接力器直徑ds.187.2.2最大行程.187.2.3接力器容積計(jì)算.197.3油壓裝置選擇.19第八章大壩基本剖面擬定及穩(wěn)定與應(yīng)力校核.198.1壩高的確定.198.1.1壩頂上游防浪墻頂應(yīng)超出靜水位的高度h.208.1.1壩頂高程.218.2擋水建筑物-混凝土重力壩.218.2.1基本剖面.21緊水灘水電站布置及壓力鋼管應(yīng)力計(jì)算48.2.2實(shí)用剖面.228.2.3穩(wěn)定計(jì)算.238.3泄水建筑物-混凝土溢流壩.318.3.1單寬流量q.318.3.2溢流前緣總凈寬L.318.3.3孔數(shù)n.328.3.4每孔凈寬b.328.3.5堰頂高程.328.3.6實(shí)用剖面設(shè)計(jì).348.3.7沖坑挑距.368.3.8穩(wěn)定計(jì)算.37第九章起重設(shè)備選擇與尺寸.40第十章廠房輪廓尺寸估算.4210.1主廠房長(zhǎng)度確定.4210.1.1機(jī)組段長(zhǎng)度.4210.1.2裝配場(chǎng)長(zhǎng)度.4210.2主廠房寬度確定.4210.3主廠房頂高程確定.4310.3.1水輪機(jī)安裝高程.4310.3.2尾水管底板高程.4310.3.3廠房基礎(chǔ)開(kāi)挖