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年產(chǎn)20萬t配煤煉焦工藝所有專業(yè)(已修改)

2025-06-09 15:25 本頁面
 

【正文】 畢 業(yè) 設(shè) 計 [論 文 ] 題 目: 年產(chǎn) 20 萬 t 配煤煉焦 工藝設(shè)計 系 別: 化學與化學工程系 專 業(yè): 煤炭深加工與利用 姓 名: 李官磊 學 號: 111307120 指導教師: 池吉安 河南城建學院 2020 年 5 月 20 日 河南城建學院畢業(yè)設(shè)計(論文) 2 1總論 .............................................................................................................................. 4 ................................................................................................................... 4 煉焦煤種簡介 ...................................................................................................... 4 配煤煉焦意義 ...................................................................................................... 5 煤場及配煤機械簡介 ............................................................................................ 6 .................................................................................................. 6 倒運機械 .................................................................................................... 7 配煤槽及配煤設(shè)備 ...................................................................................... 7 預熱煉焦工藝 ...................................................................................................... 7 干法熄焦工藝 ...................................................................................................... 8 2 設(shè)計任務(wù)依據(jù) .............................................................................................................. 10 設(shè)計任務(wù) ........................................................................................................... 10 設(shè)計目標 ........................................................................................................... 10 3 生產(chǎn)方案確定及生產(chǎn)流程說明 ..................................................................................... 11 生產(chǎn)方案確定 .................................................................................................... 11 生產(chǎn)流程說明 .................................................................................................... 12 4 煉焦用煤的準備 .......................................................................................................... 14 煤場機械的選型 ................................................................................................. 15 卸煤機械 .................................................................................................. 15 倒運機械 .................................................................................................. 15 配煤比的確定 .................................................................................................... 16 配煤設(shè)備和配煤操作 .......................................................................................... 18 配煤槽 ..................................................................................................... 18 配煤設(shè)備 .................................................................................................. 18 配煤比的控制 .................................................................................................... 19 操作要點和配煤比檢測 ............................................................................. 19 自動配煤 .................................................................................................. 20 5 工藝計算 ..................................................................................................................... 22 原始數(shù)據(jù) ........................................................................................................... 22 原始數(shù)據(jù)處理與計算 .......................................................................................... 23 物料平衡計算 .................................................................................................... 26 熱量平衡計算 .................................................................................................... 29 焦爐的熱效率和煉焦耗熱量 ............................................................................... 38 6 爐型選擇 ..................................................................................................................... 40 焦爐的構(gòu)造 ........................................................................................................ 40 燃燒室和炭化室 ....................................................................................... 40 蓄熱室 ..................................................................................................... 40 斜道區(qū) ..................................................................................................... 41 爐頂 ......................................................................................................... 41 炭化室的中心距 ................................................................................................. 41 焦爐的生產(chǎn)能力 ................................................................................................. 42 7 干熄焦與預熱煉焦聯(lián)合工藝 ......................................................................................... 44 8 強度校核 ..................................................................................................................... 45 炭化室強度 ........................................................................................................ 45 河南城建學院畢業(yè)設(shè)計(論文) 3 燃燒室強度 ........................................................................................................ 45 9 設(shè)計心得體會 .............................................................................................................. 46 10 重要 符號及其單位一覽表 ........................................................................................... 47 11 參考文獻 ................................................................................................................... 50 12 致謝 .......................................................................................................................... 51
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