【正文】 1 廣西水利電力職業(yè)技術(shù)學(xué)院 畢業(yè)設(shè)計(jì) 計(jì)算 說明書 作 者 : 學(xué) 號： 系 : 水利工程系 專 業(yè) : 給排水工程技術(shù) 班 級 : 給排水工程技術(shù)班 題 目 : 某小鎮(zhèn)給水工程設(shè)計(jì) 2 目錄 第一部分 設(shè)計(jì)說明書 ................................................................................................................. 1 第 1 章 設(shè)計(jì)資料 ......................................................................................................................... 1 設(shè)計(jì)任務(wù) .....................................................................................................................................................................1 設(shè)計(jì)原始資料 .............................................................................................................................................................1 概況 .......................................................................................................................................................................1 城市建設(shè)規(guī)劃 ......................................................................................................................................................1 可行性方案確定 ..................................................................................................................................................2 第 2 章 設(shè)計(jì)用水量 ..................................................................................................................... 3 供水系統(tǒng)的選擇 ........................................................................................................................................................3 設(shè)計(jì)用水量 .................................................................................................................................................................3 第 3 章 管網(wǎng)設(shè)計(jì)定線 ................................................................................................................. 4 管網(wǎng)設(shè)計(jì) .....................................................................................................................................................................4 輸水和配水系統(tǒng) ..................................................................................................................................................4 給水管網(wǎng)的布置 ..................................................................................................................................................5 管網(wǎng)定線 ..............................................................................................................................................................5 輸水管渠定線 ......................................................................................................................................................5 管網(wǎng)水力計(jì)算 .............................................................................................................................................................6 節(jié)點(diǎn)流量計(jì)算 ......................................................................................................................................................6 初分配流量 ..........................................................................................................................................................6 管網(wǎng)的核算條件 ........................................................................................................................................................6 消防時(shí)的流量和水壓要求 .................................................................................................................................6 最不利管段發(fā)生故障時(shí)的事故用水量和水壓要求 ........................................................................................7 第 4 章 給水處理工藝流程和給水處理構(gòu)筑物的選擇 ............................................................. 7 設(shè)計(jì)原則 .....................................................................................................................................................................7 設(shè)計(jì)規(guī)模 .....................................................................................................................................................................8 廠址選擇 .....................................................................................................................................................................8 3 水廠工藝流程選擇 ....................................................................................................................................................9 處理構(gòu)筑物的選擇 ................................................................................................................................................. 10 .............................................................................................................................................................................. 10 ㈠ 混凝劑的選擇與投加 ............................................................................................................................................. 10 ㈡ 混凝劑投加方式選擇 ..............................................................................................................................................11 ㈢ 溶液池 .......................................................................................................................................................................11 ㈣ 溶解池 .......................................................................................................................................................................11 ㈤ 加藥間 .......................................................................................................................................................................11 混合設(shè)備 ............................................................................................................................................................11 ㈠ 混合方式 ...................................................................................................................................................................11 ㈡ 尺寸 .....