【正文】 per of flowcharts、 SCR reactor equipment、 the heat exchanger equipment and plant layout had been draw out finally. Keywords Selective catalytic reduction， heat exchanger， mencement furnace，the reactor 攀枝花學院本科畢業(yè)設計（論文） 目 錄 i 目 錄 摘 要 ...............................................................................................................................I ABSTRACT ................................................................................................................. II 1 緒 論 ....................................................................................................................... 1 煙氣脫硝研究現(xiàn)狀 .......................................................................................... 1 SCR 脫硝反應機理研究 .................................................................................. 3 SCR 脫硝的動力學研究 .................................................................................. 4 影響 SCR 法脫硝率的因素 .............................................................................. 5 催化劑特性對工藝的影響 ..................................................................... 5 SCR 反應器入口煙氣參數(shù)對工藝的影響 ................................................ 7 SCR 反應器結構設計對工藝的影響 ....................................................... 8 氨法 SCR 反應器的布置方案 .......................................................................... 8 高粉塵布置的 SCR 工藝及其特點 ......................................................... 9 低粉塵布置的 SCR 工藝及其特點 ......................................................... 9 末端布置的 SCR 工藝及其特點 ........................................................... 10 本設計的設計目的及意義 ..............................................................................11 2 工藝流程設計 ....................................................................................................... 12 設計任務書 .................................................................................................. 12 設計依據(jù) ...................................................................................................... 12 尾氣的性質 ........................................................................................ 12 當?shù)貧夂驐l件 ..................................................................................... 12 本設計所采用的物化常數(shù) ................................................................... 12 相關環(huán)境法律法規(guī) .............................................................................. 13 設計原則及范圍 ................................................................................. 13 SCR 脫硝工藝方案設計 ................................................................................ 14 工藝流程的選擇 ................................................................................. 14 催化劑的選擇 ..................................................................................... 15 還原劑的選擇及配置 .......................................................................... 16 3 主要設備設計計算 .............................................................................................. 19 SCR 反應器 .................................................................................................. 19 SCR 反應器的物料衡算 ...................................................................... 19 SCR 反應器的熱量衡算 ...................................................................... 21 SCR 反應器的尺寸 ............................................................................. 24 換熱器 ......................................................................................................... 26 流程的確定及計算條件 ....................................................................... 26 換熱器的熱量衡算 .............................................................................. 26 物性參數(shù)的計算 ................................................................................. 28 換熱器的尺寸 ..................................................................................... 33 換熱器核算 ........................................................................................ 39 開工燃燒爐 .................................................................................................. 44 混合熱氣流溫度的確定 ....................................................................... 44 攀枝花學院本科畢業(yè)設計（論文） 目 錄 ii 混合氣流量的估算 .............................................................................. 44 開工燃燒爐的物料衡算 ....................................................................... 48 開工燃燒爐的尺寸 .............................................................................. 50 4 經(jīng)濟費用概預算 ................................................................................................... 54 占地面積 ...................................................................................................... 54 工作制度及人員編制 .................................................................................... 54 運行費用計算 ............................................................................................... 54 成本費用計算 ............................................................................................... 54 各設備的用鋼重量計算 ....................................................................... 55 鋼材成本費用計算 .............................................................................. 58 其他費用 ............................................................................................ 58 設備總成本費用 ................................................................................. 59 小結 ............................................................................................................. 59 5 結 論 ..................................................................................................................... 60 參考文獻 ...................................................................................................................... 61 致 謝 .............