【正文】 ..............................................................23 污泥脫 水 ...........................................................................................................23 第 3章 污水處理系統(tǒng)的設(shè)計(jì) 24 中格柵 ............................................................................................................................24 設(shè)計(jì)要求 ...........................................................................................................24 設(shè)計(jì)流量 ...........................................................................................................25 格柵計(jì)算 ..............................................................................................................25 格柵的比較選型 ...............................................................................................27 污水提升泵站 ................................................................................................................28 設(shè)計(jì)說明 ...........................................................................................................28 一般規(guī)定 ...........................................................................................................28 選泵 ...................................................................................................................29 吸、壓水管路實(shí)際水頭損失的計(jì)算 ...............................................................30 水泵機(jī)組基礎(chǔ)的確定和污水泵站的布置 .......................................................32 泵 房高度的確定 ...............................................................................................32 泵房附屬設(shè)施及尺寸的確定 ...........................................................................33 泵房值班室、控制室及配電間 .......................................................................34 細(xì)格柵 ............................................................................................................................34 曝氣沉砂池 ....................................................................................................................36 設(shè)計(jì)說明 ...........................................................................................................36 設(shè)計(jì)參數(shù) ...........................................................................................................36 沉砂池比較 .......................................................................................................37 池體設(shè)計(jì)計(jì)算 ...................................................................................................37 曝氣系統(tǒng)設(shè)計(jì)計(jì)算 ...........................................................................................38 進(jìn)水，出水及撇油 ...........................................................................................38 排砂量計(jì)算 .......................................................................................................38 提砂泵房與砂水分離器 ................................................................................................40 配水井 ............................................................................................................................41 比較選型 ...........................................................................................................41 設(shè)計(jì)要求 ...........................................................................................................41 設(shè)計(jì)計(jì)算 ...........................................................................................................42 SBR反應(yīng)器設(shè)計(jì) .............................................................................................................43 設(shè)計(jì)要點(diǎn) ...........................................................................................................43 主要設(shè)計(jì)參數(shù) ...................................................................................................45 運(yùn)行周期 ...........................................................................................................45 曝氣池體積 V ...................................................................................................45 復(fù)核潷水高度 h1 ...............................................................................................46 復(fù)核污泥負(fù)荷 ...................................................................................................46 剩余污泥產(chǎn)量 ...................................................................................................46 BOD5 ....................................................................................................47 復(fù) 核出水 NH3N ..............................................................................................48 設(shè)計(jì)需氧量 .....................................................................................................49 標(biāo)準(zhǔn)需氧量 SOR ..........................................................................................50 曝氣池布置 .....................................................................................................51 SBR 反應(yīng)池構(gòu)造尺寸 ..................................................................................51 曝氣頭計(jì)算 .....................................................................................................52 空氣管計(jì)算 .....................................................................................................52 第 III 頁 共 III頁 潷水器 .............................................................................................................53 鼓風(fēng)機(jī)房 ........................................................................................................................53 鼓風(fēng)機(jī)房設(shè)計(jì)要求 ...........................................................................................53 供風(fēng)量 ...............................................................................................................54 供風(fēng)風(fēng)壓 ...........................................................................................................54 鼓風(fēng)機(jī)的選擇 .