【正文】 1廣西水利電力職業(yè)技術(shù)學(xué)院畢業(yè)設(shè)計計算說明書作 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2目錄第一部分 設(shè)計說明書 .................................................................................................................1第 1 章 設(shè)計資料 .........................................................................................................................1 設(shè)計任務(wù) ...............................................................................................................................................................1 設(shè)計原始資料 .......................................................................................................................................................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)計用水量 .....................................................................................................................3 供水系統(tǒng)的選擇 ...................................................................................................................................................3 設(shè)計用水量 ...........................................................................................................................................................3第 3 章 管網(wǎng)設(shè)計定線 .................................................................................................................4 管網(wǎng)設(shè)計 ...............................................................................................................................................................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)水力計算 .......................................................................................................................................................6 節(jié)點流量計算 ................................................................................................................................................6 初分配流量 ....................................................................................................................................................6 管網(wǎng)的核算條件 ...................................................................................................................................................6 消防時的流量和水壓要求 ............................................................................................................................6 最不利管段發(fā)生故障時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)計原則 ...............................................................................................................................................................7 設(shè)計規(guī)模 ...............................................................................................................................................................8 廠址選擇 ...............................................................................................................................................................83 水廠工藝流程選擇 ...............................................................................................................................................9 處理構(gòu)筑物的選擇 .............................................................................................................................................10 ........................................................................................................................................................................10㈠ 混凝劑的選擇與投加 ........................................................................................................................................10㈡ 混凝劑投加方式選擇 ........................................................................................................................................11㈢ 溶液池 ................................................................................................................................................................11㈣ 溶解池 ................................................................................................................................................................11㈤ 加藥間 ................................................................................................................................................................11 混合設(shè)備 ......................................................................................................................................................11㈠ 混合方式 ............................................................................................................................................................11㈡ 尺寸 ....................................................................................................................................................................12 絮凝設(shè)備 ...........................................................................................................................................