【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(xué)院本科畢業(yè)設(shè)計(jì)（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(yīng)機(jī)理研究 .................................................................................. 3 SCR 脫硝的動(dòng)力學(xué)研究 .................................................................................. 4 影響 SCR 法脫硝率的因素 .............................................................................. 5 催化劑特性對(duì)工藝的影響 ..................................................................... 5 SCR 反應(yīng)器入口煙氣參數(shù)對(duì)工藝的影響 ................................................ 7 SCR 反應(yīng)器結(jié)構(gòu)設(shè)計(jì)對(duì)工藝的影響 ....................................................... 8 氨法 SCR 反應(yīng)器的布置方案 .......................................................................... 8 高粉塵布置的 SCR 工藝及其特點(diǎn) ......................................................... 9 低粉塵布置的 SCR 工藝及其特點(diǎn) ......................................................... 9 末端布置的 SCR 工藝及其特點(diǎn) ........................................................... 10 本設(shè)計(jì)的設(shè)計(jì)目的及意義 ..............................................................................11 2 工藝流程設(shè)計(jì) ....................................................................................................... 12 設(shè)計(jì)任務(wù)書 .................................................................................................. 12 設(shè)計(jì)依據(jù) ...................................................................................................... 12 尾氣的性質(zhì) ........................................................................................ 12 當(dāng)?shù)貧夂驐l件 ..................................................................................... 12 本設(shè)計(jì)所采用的物化常數(shù) ................................................................... 12 相關(guān)環(huán)境法律法規(guī) .............................................................................. 13 設(shè)計(jì)原則及范圍 ................................................................................. 13 SCR 脫硝工藝方案設(shè)計(jì) ................................................................................ 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(shè)備設(shè)計(jì)計(jì)算 .............................................................................................. 19 SCR 反應(yīng)器 .................................................................................................. 19 SCR 反應(yīng)器的物料衡算 ...................................................................... 19 SCR 反應(yīng)器的熱量衡算 ...................................................................... 21 SCR 反應(yīng)器的尺寸 ............................................................................. 24 換熱器 ......................................................................................................... 26 流程的確定及計(jì)算條件 ....................................................................... 26 換熱器的熱量衡算 .............................................................................. 26 物性參數(shù)的計(jì)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(xué)院本科畢業(yè)設(shè)計(jì)（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(jì)費(fèi)用概預(yù)算 ................................................................................................... 54 占地面積 ...................................................................................................... 54 工作制度及人員編制 .................................................................................... 54 運(yùn)行費(fèi)用計(jì)算 ............................................................................................... 54 成本費(fèi)用計(jì)算 ............................................................................................... 54 各設(shè)備的用鋼重量計(jì)算 ....................................................................... 55 鋼材成本費(fèi)用計(jì)算 .............................................................................. 58 其他費(fèi)用 ............................................................................................ 58 設(shè)備總成本費(fèi)用 ................................................................................. 59 小結(jié) ............................................................................................................. 59 5 結(jié) 論 ..................................................................................................................... 60 參考文獻(xiàn) ...................................................................................................................... 61 致 謝 .............