【正文】 ....................................................................... 2 本 論文的主要工作 ....................................................................................................... 2 本 章小結(jié) .................................................................................................................... 3 第二章 城市污水處理的工藝流程 .............................................. 3 污水處理指標(biāo) .................................................................................................................. 3 污水處理的基本工藝方法 ................................................................................................. 5 本系統(tǒng)采用的工藝介紹 .................................................................................................... 6 本章小結(jié) ........................................................................................................................ 7 第三章 城市污水處理控制系統(tǒng)方案設(shè)計(jì) ......................................... 8 設(shè)計(jì)原則 ........................................................................................................................ 8 設(shè)計(jì)思想 ........................................................................................................................ 8 系統(tǒng)構(gòu)成 ........................................................................................................................ 8 ............................................................................................................... 8 各單元功能描述 ....................................................................................................... 9 本章小結(jié) ...................................................................................................................... 10 第四章 控制系統(tǒng)硬件設(shè)計(jì) .................................................. 11 儀表系統(tǒng) ...................................................................................................................... 11 儀表選型原則 ........................................................................................................ 11 ...................................................................................................... 11 PLC1 站設(shè)計(jì) .................................................................................................................. 12 ................................................................................................................... 12 提升泵房 ............................................................................................................... 12 細(xì)格柵 .................................................................................................................. 13 曝氣沉砂池 ............................................................................................................ 13 控制柜設(shè)計(jì) ............................................................................................................ 14 OMRON CJ1M 介紹 .............................................................................................. 14 PLC1 站設(shè)計(jì) .................................................................................................... 14 PLC1 站選 型 .................................................................................................... 15 PLC2 站設(shè)計(jì) .................................................................................................................. 16 鼓風(fēng)機(jī)電器控制原理 .............................................................................................. 16 控制柜設(shè)計(jì) ............................................................................................................ 18 PLC2 站設(shè)計(jì) .................................................................................................... 18 PLC2 站選型 .................................................................................................... 18 PLC3 站設(shè)計(jì) .................................................................................................................. 18 生化反應(yīng)池 ............................................................................................................ 19 二沉池 .................................................................................................................. 19 污泥回流泵房 ........................................................................................................ 19 污泥貯池 ............................................................................................................... 19 控制柜設(shè)計(jì) ............................................................................................................ 20 PLC3 站設(shè)計(jì) .................................................................................................... 20 PLC3 站選型 .................................................................................................... 20 本章小結(jié) ...................................................................................................................... 21 第五章 控制系統(tǒng)軟件設(shè)計(jì) .................................................. 23 PLC編程 ....................................................................................................................... 23 編程軟件 ............................................................................................................... 23 PLC 編程 ................................................................................................................ 23 硬件組態(tài) ........................................................................................................ 23 程序設(shè)計(jì) ........................................................................................................ 24 上位監(jiān)控畫面設(shè)計(jì) ......................................................................................................... 28 圖形界面設(shè)計(jì) ........................................................................................................ 28 定義設(shè)備 ........................................................................................................