【正文】 ................................. 3 前 言 .............................................................................................................................. 6 第一章 緒論 ................................................................................................................ 7 印染廢水的產(chǎn)生及特點(diǎn) .................................................................................. 7 印染廢水的水質(zhì)及水量分析 .......................................................................... 7 不同產(chǎn)品排放的廢水水質(zhì) ..................................................................... 7 廢水水量 ................................................................................................. 8 印染廢水的危害 .............................................................................................. 8 設(shè)計(jì)任務(wù) ........................................................................................................... 9 本畢業(yè)設(shè)計(jì)課題的目的和 要求 ............................................................ 9 本畢業(yè)設(shè)計(jì)課題的技術(shù)要求與數(shù)據(jù) ..................................................... 9 第二章 工藝流程確定 .............................................................................................. 10 印染廢水概況 ................................................................................................ 10 工藝流程比選、確定說(shuō)明 ............................................................................. 10 方案設(shè)計(jì)原則 ....................................................................................... 10 印染廢水處理工藝 ............................................................................... 10 印染廢水處理工藝組合及比較 ........................................................... 16 工藝方案分析選擇： ..................................................................................... 18 水解酸化法 ........................................................................................... 18 SBR ....................................................................................................... 19 混凝沉淀法 ........................................................................................... 20 達(dá)標(biāo)分析 ......................................................................................................... 21 第三章 構(gòu)筑物設(shè)計(jì)計(jì)算 .......................................................................................... 22 格柵 ................................................................................................................. 22 設(shè)計(jì)概述 .............................................................................................. 22 設(shè)計(jì)參數(shù) .............................................................................................. 22 設(shè)計(jì)計(jì)算 .............................................................................................. 23 格柵機(jī)的選型 ....................................................................................... 24 調(diào)節(jié)池 ............................................................................................................ 25 調(diào)節(jié)池有效容積 ................................................................................... 25 調(diào)節(jié)池尺寸 ........................................................................................... 25 空氣管計(jì)算 ........................................................................................... 25 孔眼計(jì)算 ............................................................................................... 26 潛污泵 .................................................................................................. 26 加酸中和 ............................................................................................... 27 鼓風(fēng)機(jī) ................................................................................................... 27 水解酸化池 ..................................................................................................... 28 介紹 ....................................................................................................... 28 預(yù)去除率 ............................................................................................... 28 池體積算 ............................................................................................... 29 布水配水系統(tǒng) ....................................................................................... 29 SBR 反應(yīng)池 ................................................................................................... 32 第 4 頁(yè) 設(shè)計(jì)說(shuō)明 .............................................................................................. 32 SBR 反應(yīng)池容積計(jì)算 .......................................................................... 34 SBR 反應(yīng)池運(yùn)行時(shí)間與水位控 制 ..................................................... 35 排水口高度和排水管管徑 .................................................................. 36 排泥量及排泥系統(tǒng) .............................................................................. 36 需氧量及曝氣系統(tǒng)設(shè)計(jì)計(jì)算 .............................................................. 37 空氣管計(jì)算 .......................................................................................... 39 潷水器 .................................................................................................. 40 鼓風(fēng)機(jī)房 .............................................................................................. 41 混凝反應(yīng)池 .................................................................................................... 41 混凝劑的選擇 ....................................................................................... 41 配制與投加 ........................................................................................... 42 混合方式 ............................................................................................... 42 設(shè)計(jì)說(shuō)明 ............................................................................................... 42 設(shè)計(jì)參數(shù) ............................................................................................... 43 設(shè)計(jì)計(jì)算 ............................................................................................... 43 斜板沉淀