【正文】 12X600MW 機組新建工程亞臨界機組改超臨界機組畢業(yè)論文目 錄1 概述 ..............................................................................................................................................................5 設(shè)計依據(jù) .............................................................................................................................................5 廠址及自然條件 ..................................................................................................................................5 設(shè)計特點 ..............................................................................................................................................6 設(shè)計范圍 .............................................................................................................................................6 主機規(guī)范 .............................................................................................................................................7 主要熱經(jīng)濟指標(biāo) ...............................................................................................................................102 燃料 ............................................................................................................................................................10 煤質(zhì)資料 ............................................................................................................................................10 點火及助燃油 ...................................................................................................................................133 燃燒制粉系統(tǒng)及輔助設(shè)備選擇 ................................................................................................................13 燃料消耗量 .......................................................................................................................................13 制粉系統(tǒng)及輔助設(shè)備選擇 ...............................................................................................................14 煙風(fēng)系統(tǒng)及輔助設(shè)備選擇 ................................................................................................................16 制粉、煙風(fēng)系統(tǒng)主要管道管徑選擇 ...............................................................................................19 點火燃油系統(tǒng) ...................................................................................................................................224 熱力系統(tǒng)及輔助設(shè)備選擇 ........................................................................................................................22 熱力系統(tǒng)擬定原則 ...........................................................................................................................22 熱平衡計算成果表 ...........................................................................................................................22 主要熱力系統(tǒng)及輔助設(shè)備選擇 .......................................................................................................27 節(jié)約用水及回收工質(zhì)措施 ...............................................................................................................415 系統(tǒng)運行方式 ............................................................................................................................................41 機組啟動條件及啟動系統(tǒng) ...............................................................................................................41 主輔機設(shè)備的可控性 .......................................................................................................................42 機組啟動方式 ..................................................................................................................................43 機組運行方式 ...................................................................................................................................43 機組停用及事故處理（詳見主機廠資料要求） ...........................................................................43 機組安全保護及運行注意事項 .......................................................................................................442 輔助系統(tǒng)的安全保護及運行注意事項 ...........................................................................................466 主廠房布置 ..........................................................................................................................................47 主廠房布置原則 ................................................................................................................................47 主廠房主要尺寸 ...............................................................................................................................47 汽機房布置 ......................................................................................................................................48 除氧框架布置 ...................................................................................................................................49 煤倉框架布置 ...................................................................................................................................49 鍋爐布置 ............................................................................................................................................50 爐后布置 ............................................................................................................................................50 安裝及檢修設(shè)施 ...............................................................................................................................50 主廠房主要運行、維護通道 ............................................................................................................517 輔助設(shè)施 ....................................................................................................................................................52 空壓機室 ............................................................................................................................................52 油庫區(qū)及油泵房 ................................................................................................................................52 啟動鍋爐房 ..............................