【正文】 水系統(tǒng)的現(xiàn)狀及存在的問題進行分析，指出了建設給水廠的必要性與迫切性。 非洲安哥拉羅安達市給水廠工藝的初步設計 摘 要 水是生命的源泉，沒有水人類就不能生存。正常的供水系統(tǒng)是一個現(xiàn)代化城市不可或缺的基礎設施，是城市生命線工程的重要組成部分。 在本文中，首先分析了國內(nèi)外飲用水水源現(xiàn)狀，介紹了給水處理工藝的發(fā)展；在水源地現(xiàn)狀調(diào)查的基礎上，對羅安達市水源水質(zhì)進行了分析 ,采用 Bengo河作為原水水源，水廠規(guī)模為 60,000m3/d。最后，運用 AutoCAD 軟件，繪制主體構(gòu)筑物圖，設計深度為初步設計。s water supply status, the necessity and urgency of building the waterworks are indicated. In this paper, the current domestic of drinking water sources was analyzed and the development of water treatment technology was presented. On the basis of water sources investigation, we analyzed the resource of the waterworks of Luanda and chose Bengo reservoir as the resource to build a waterworks with the scale of 60,000 m3/d. Secondly, by parison,coagulation— sedimentation— filtration— disinfection was remended as the technical procedure of the waterworks, the static channel mixer board and baffled plate flocculation tank was chosen as coagulation technology, the slanted tube sedimentation tank was used as sedimentation,filtration was the V filter pond, disinfection was used with chlorine , then each reaction pool was calculated and designed. Finally, with the help of AutoCAD software, the main structures were rendered and design depth for the preliminary design. Key Words: Water Supply System Treating Techniques Preliminary Design 目 錄 第一章 總論 .................................................................. 1 羅安達市概況及供水現(xiàn)狀 ................................................. 1 羅安達市概況 ...................................................... 1 羅安達市供水現(xiàn)狀 .................................................. 1 項目建設的必要性 ....................................................... 2 項目的主要研究內(nèi)容及設計原則 ........................................... 2 工程設計內(nèi)容 ...................................................... 2 設計原則 .......................................................... 2 第二章 給水廠發(fā)展狀況 ...................................................... 3 水源水質(zhì)現(xiàn)狀分析 ....................................................... 3 給水廠工藝發(fā)展 ......................................................... 3 第三章 給水廠總體設計 ...................................................... 5 設計規(guī)模 ............................................................... 5 取水水源及水質(zhì)分析 ..................................................... 5 供水水質(zhì)分析 ...................................................... 5 水處理目標及出水水質(zhì) .............................................. 7 給水處理工藝的確定 .................................................... 10 第四章 給水廠設計說明 ..................................................... 11 混合方式 .............................................................. 12 絮凝方式 .............................................................. 12 沉淀形式 .............................................................. 12 過濾形式 .............................................................. 13 消毒 .................................................................. 13 第五章 給水廠設計計算 ..................................................... 13 混合反應 .............................................................. 14 混凝劑的選擇 ..................................................... 14 投藥系統(tǒng)計算 ..................................................... 14 加藥間及藥庫 ..................................................... 15 混 合設施 ......................................................... 15 波折板反應池 .......................................................... 16 設計參數(shù) ......................................................... 16 平面計算 ......................................................... 16 水頭損失計算 ..................................................... 18 G、 GT 值 ......................................................... 21 斜管沉淀池 ............................................................ 21 設計參數(shù) ......................................................... 21 平面計算 ......................................................... 22 進出水系統(tǒng) ....................................................... 23 V 型濾池 .............................................................. 24 設計參數(shù) ......................................................... 24 平面尺寸計算 ..................................................... 25 進水系統(tǒng) ......................................................... 25 反沖洗系統(tǒng) ....................................................... 28 過濾系統(tǒng) ......................................................... 29 排水系統(tǒng) ......................................................... 30 濾池總高度 ....................................................... 30 消毒 .................................................................. 31 設計參數(shù) ......................................................... 31 加氯量及氯瓶的確定 ............................................... 31 加氯機及漏氯處理 ................................................. 32 加氯間及氯庫設計計算 ............................................. 32 清水池 ................................................................ 32 清水池設計作用及特點 ............................................. 32 設計參數(shù) ......................................................... 33 清水池有容積 ..................................................... 33 清水池的平面尺寸 ................................................. 33 第六章 水廠平面及高程布置 ................................................ 34 水廠的平面布置 ........................................................ 35 選址原則 ......................................................... 35 廠址位置 ......................................................... 35 水廠高程布置 .......................................................... 35 第七章 設計總結(jié) ............................................................ 36 參考文獻 .................................................................... 37 致 謝 .................................................................... 38 1 第一章 總論