【正文】 ................................................................................................21 .....................................................................................................................21 .............................................................................................................21 .....................................................................................................................22 .....................................................................................................................22 .....................................................................................22 .....................................................................................................................22 .................................................................................235．電氣設計 .......................................................................................................................24 設計范圍 ......................................................................................................................24 設計依據(jù) ......................................................................................................................24 供電電源 ......................................................................................................................24 負荷計算 .....................................................................................................................24 供電系統(tǒng) .....................................................................................................................24II 廣西東亞紙業(yè)有限公司 廢水處理工程（厭氧系統(tǒng)）－工藝方案描述 繼電保護 .....................................................................................................................24 用電設備的控制 .........................................................................................................24 管線敷設及電纜選擇 .................................................................................................25 照明 .............................................................................................................................25 防雷及接地 ...............................................................................................................25 .................................................................................................................26 設計原則 ......................................................................................................................26 設計范圍 ......................................................................................................................26 設計所遵循的文件、標準和規(guī)范 ..............................................................................26 自控水平 ......................................................................................................................27 系統(tǒng)組成 ......................................................................................................................28 儀表控制說明 ..............................................................................................................287．運行費用分析 ...............................................................................................................30 電力消耗 ....................................................................................................................30 化學品消耗 ................................................................................................................31 操作人員工資 ............................................................................................................31 運行成本分析 ............................................................................................................31 運行副產(chǎn)品收益平衡 ................................................................................................32二、工藝設備描述 .................................................................................................................331 主要設備清單及材質(zhì)表 .................................................................................................342 工藝處理設備技術(shù)說明 .................................................................................................36 工藝處理設備技術(shù)總述 .............................................................................................36 主要工藝處理設備詳述 .............................................................................................383 主要電氣設備選型及技術(shù)說明 .....................................................................................54 低壓開關(guān)柜 ..................................................................................................................54 主要元器件 .................................................................................................................564 自控儀表設備選型及技術(shù)說明 .....................................................................................60 自控儀表選型概述 ......................................................................................................60 自控儀表設備一覽表 .................................................................................................60三、工作內(nèi)容劃分 .................................................................................................................74四、技術(shù)服務 .........................................................................................................................781．目標 ...............................................................................................................................79 目標 .............................................................................................................................79 知識技能 ......................................................................................................................792．技術(shù)服務 .......................................................................................................................80