【正文】 ........2 編制范圍 .....................................................................................................2 項(xiàng)目建設(shè)的重要性和必要性 .............................................................................2 項(xiàng)目建設(shè)的重要性 ......................................................................................2 項(xiàng)目建設(shè)的必要性 ......................................................................................3 法律背景 .............................................................................................................5 國家的法律法規(guī) .........................................................................................5 省、市級法規(guī)及其管理 ...............................................................................6 采用的規(guī)范和標(biāo)準(zhǔn) .............................................................................................6第二章 XX 鎮(zhèn)概況 .....................................................................................................9 鎮(zhèn)城區(qū)概況 ...................................................................................................9 鎮(zhèn)城鎮(zhèn)總體規(guī)劃概況 ...................................................................................9 XX 鎮(zhèn)工業(yè)區(qū)概述 ...............................................................................................9 自然條件 ...........................................................................................................10 氣象特征 ...................................................................................................10 水系、水文 ................................................................................................10 地貌與地勢 ...............................................................................................11 地質(zhì)條件 ...................................................................................................113 給水現(xiàn)狀與規(guī)劃 ...............................................................................................11 給水現(xiàn)狀 ....................................................................................................11 給水規(guī)劃 ....................................................................................................11 排水現(xiàn)狀與規(guī)劃 ..........................................................................................13 排水現(xiàn)狀 ...................................................................................................13 排水規(guī)劃 ...................................................................................................13第三章 污水水質(zhì)、水量預(yù)測 ...................................................................................14 建設(shè)年限 ...........................................................................................................14 建設(shè)規(guī)模 ...........................................................................................................14 規(guī)劃期內(nèi)污水量預(yù)測 ...............................................................................14 污水收集系統(tǒng)設(shè)計(jì) ....................................................................................16 污水進(jìn)廠水質(zhì) ...............................................................................................16 污水進(jìn)網(wǎng)水質(zhì)管理要求 ............................................................................16 污水水質(zhì)預(yù)測 ............................................................................................18 進(jìn)廠水質(zhì)的確定 .......................................................................................19 處理程度 ...........................................................................................................20第四章 污水系統(tǒng)工程 ..............................................................................................21 污水處理廠廠址選擇 .......................................................................................21 污水處理廠設(shè)置原則 ................................................................................21 污水處理廠的設(shè)置方案 ............................................................................21 處理出水排放口位置 .......................................................................................21 污水收集系統(tǒng) ...................................................................................................22 收集系統(tǒng)工程概述 ....................................................................................22 設(shè)計(jì)原則及設(shè)計(jì)參數(shù) ................................................................................22 污水收集系統(tǒng)及主干管走向 ...................................................................23 管道計(jì)算 ...................................................................................................23 管材比選 ...................................................................................................24 過河方式比較 ...........................................................................................27 管道工程量統(tǒng)計(jì) .......................................................................................31第五章 污水處理廠工藝 ..........................................................................................324 污水處理工藝選擇原則 ...................................................................................32 污水處理程度及重點(diǎn)處理項(xiàng)目 .......................................................................32 處理程度及要求 ........................................................................................32 污水處理重點(diǎn)項(xiàng)目 ....................................................................................33 水解后污水生化處理工藝論述 ................................................................37 污水處理工藝選擇 ....................................................................................57 推薦方案確定 ............................................................................................65 污水處理廠工藝流程的確定 ...........................................................................66 鎮(zhèn)城鎮(zhèn)污水處理廠工程的特征及其處理工藝特點(diǎn) ..........................66 工藝流程確定 ...........................................................................................66 污泥處置方案 ...................................................................................................68 污泥處理的目的 .............................