【正文】 ........................................................................... 8 3 配水井 .......................................................................................................................... 8 配水井容積 .......................................................................................................... 8 4 混凝劑藥劑的選擇與投加 .............................................................................................. 9 混凝劑的選用 ..................................................................................................... 9 混凝劑的投加 ..................................................................................................... 9 混凝劑投配的設(shè)計 ............................................................................................... 9 混凝劑用量計算 ......................................................................................... 9 溶液池容積 W1 ......................................................................................... 10 溶解池容積 W2 ......................................................................................... 10 氯投配的設(shè)計 .................................................................................................... 11 加藥間及藥庫布置 ............................................................................................ 11 加藥間 ..................................................................................................... 11 藥劑倉庫 ................................................................................................. 12 .......................................................................................................... 12 ................................................................................................................. 13 設(shè)計要點及絮凝形式選擇 ................................................................................... 14 設(shè)計要點 .................................................................................................. 14 絮凝池形式選擇 ....................................................................................... 14 折板絮凝池的設(shè)計計算 ...................................................................................... 14 ................................................................................................................. 18 沉淀池類型的選擇 ............................................................................................. 18 斜管沉淀池的設(shè)計計算 ...................................................................................... 18 已知條件 .................................................................................................. 18 設(shè)計采用數(shù)據(jù) ........................................................................................... 19 清水區(qū)面積 .............................................................................................. 19 斜管長度 l ................................................................................................ 19 池子高度 .................................................................................................. 19 復(fù)算管內(nèi)雷諾數(shù)及沉淀時間 ...................................................................... 19 沉淀池進出口形式及計算 ................................................................................... 20 穿孔墻設(shè)計 ........................................................................................................ 22 ................................................................................................................. 23 普通快濾池面積和尺寸 ...................................................................................... 23 濾池高度 ........................................................................................................... 23 每個濾池的配水系統(tǒng) .......................................................................................... 24 洗砂排水槽 ........................................................................................................ 26 濾池反沖洗 ........................................................................................................ 27 ..................................................................................................................... 27 除錳濾池前曝氣設(shè)備 ......................................................................................... 27 除錳濾池的設(shè)計計算 .......................................................................................... 28 設(shè)計參數(shù) .................................................................................................. 28 濾面積及尺寸 ........................................................................................... 28 濾池高度 .................................................................................................. 29 濾池的各種管渠計算 ................................................................................ 30 反沖洗高位水箱 ...................................................................................... 30 配氣系統(tǒng)設(shè)置 ........................................................................................... 31 10. 消毒 ........................................................................................................................ 31 液氯消毒原理 .................................................................................................. 31 加氯量的計算 .................................................................................................. 32 加氯設(shè)備的選擇 ............................................................................................... 32 氯瓶選擇 ......................................................................................................... 32 氯庫及加氯間 ................................................................................................... 33 氯庫尺寸 ................................................................................................ 33 加氯間和氯庫布置 .................................................................................. 33 輔助設(shè)備 .....