【正文】 ....................9 汽包水位調(diào)節(jié) ...................................................................................................................................9 汽包壓力控制 ...................................................................................................................................9 除氧器水位調(diào)節(jié) ...............................................................................................................................9 除氧器壓力控制 ...............................................................................................................................9 軟水箱水位調(diào)節(jié) ...............................................................................................................................9 本章小結(jié) ......................................................................................................................9第 3 章 電氣自動(dòng)化系統(tǒng)總體結(jié)構(gòu) ....................................................................................10安徽工業(yè)大學(xué) 畢業(yè)設(shè)計(jì)（論文）說明書共 Ⅳ 頁(yè) 第 IV 頁(yè)┊┊┊┊┊┊┊┊┊┊┊┊┊裝┊┊┊┊┊訂┊┊┊┊┊線┊┊┊┊┊┊┊┊┊┊┊┊┊ 加熱爐基礎(chǔ)自動(dòng)化系統(tǒng)（L1） ...............................................................................10 主機(jī)及 PLC.....................................................................................................................................10 操作站及遠(yuǎn)程 I/O..........................................................................................................................11 軟件開發(fā)平臺(tái) .................................................................................................................................11 L2 級(jí)計(jì)算機(jī)系統(tǒng) ........................................................................................................12 硬件配置 .........................................................................................................................................12 計(jì)算機(jī)系統(tǒng)軟件開發(fā)平臺(tái) .............................................................................................................12 加熱爐溫度控制系統(tǒng) ................................................................................................13 系統(tǒng)工作原理 .................................................................................................................................13 PID 控制器基本概念 ......................................................................................................................13 閉環(huán)控制系統(tǒng)特點(diǎn) .........................................................................................................................14 PLC 的基本概念 ........................................................................................................15 本章小結(jié) ....................................................................................................................17第 4 章 爐區(qū)電氣控制設(shè)計(jì) ................................................................................................18 加熱爐電控的操作方式 ............................................................................................18 板坯庫(kù)的電氣控制 ....................................................................................................18 裝爐側(cè)電氣控制 ........................................................................................................19 上料控制 ..........................................................................................................................................19 板坯稱重及測(cè)量 ..............................................................................................................................21 爐前輥道控制 ..................................................................................................................................21 入爐定位輥道 ..................................................................................................................................22 裝鋼控制 ..........................................................................................................................................25 裝料爐門 ..........................................................................................................................................29 爐底步進(jìn)機(jī)械電氣控制 ............................................................................................29 步進(jìn)梁升降 ......................................................................................................................................30 步進(jìn)梁平移 ......................................................................................................................................31 步進(jìn)梁周期動(dòng)作 ..............................................................................................................................32 步進(jìn)梁的保護(hù) ..................................................................................................................................33 報(bào)警 ..................................................................................................................................................33 與其他設(shè)備的連鎖 ..........................................................................................................................34 出爐側(cè)電氣控制 ........................................................................................................34 出鋼控制 ..........................................................................................................................................34 出爐輥道控制 ..................................................................................................................................37 出料爐門升降裝置 ..........................................................................................................................37 板坯跟蹤 ....................................................................................................................38 跟蹤斷的劃分 ..................................................................................................................................38 輥道跟蹤 ....................................................................