【正文】 J 98 備案號(hào) :J13772020 中華人民共和國電力行業(yè)標(biāo)準(zhǔn) DL — 2020 替代 DL/T 5047－ 95 電力建設(shè)施工技術(shù)規(guī)范 第 2 部分：鍋爐機(jī)組 Te chnical Specification for thermal Power erection and construction Part 2 : boiler unit 20200104發(fā)布 20200301 實(shí)施 國 家 能 源 局 發(fā)布 DL DL — 2020 中華人民共和國電力行業(yè)標(biāo)準(zhǔn) 電力建設(shè)施工技術(shù)規(guī)范 第 2 部分：鍋爐機(jī)組 Te chnical Specification for thermal Power erection and construction Part 2 : boiler unit DL — 2020 替代 DL/T 5047－ 95 主編機(jī)構(gòu)：中國電力企業(yè)聯(lián)合會(huì) 批準(zhǔn)部門： 國 家 能 源 局 施行日期： 2020 年 3 月 1 日 中國電力出版社 2020 年 北京DL — 2020 目錄 前言 ................................................................................................................................. 1 1 總則 ............................................................................................................................. 1 2 術(shù)語 ............................................................................................................................. 3 3 基本規(guī)定 ...................................................................................................................... 4 一般規(guī)定 ............................................................................................................ 4 安裝與建筑的銜接 .............................................................................................. 7 4 鍋爐構(gòu)架及有關(guān)金屬結(jié)構(gòu) .............................................................................................. 7 一般規(guī)定 ............................................................................................................ 7 鍋爐基礎(chǔ)檢查、劃線和墊鐵安裝 ......................................................................... 8 鍋爐構(gòu)架安裝和二次灌漿 ................................................................................... 9 爐門、窺視孔和爐墻零 件 ................................................................................. 13 鍋爐密封部件 ................................................................................................... 13 燃燒裝置 .......................................................................................................... 14 空氣預(yù)熱器 ...................................................................................................... 16 工程驗(yàn)收 .......................................................................................................... 19 5 受熱面 ........................................................................................................................ 19 一般規(guī)定 .......................................................................................................... 19 汽包、汽水分離器、聯(lián)箱 ................................................................................. 22 水冷壁 ............................................................................................................. 23 過熱器、再熱器、省煤器和減溫器 ................................................................... 24 爐水循環(huán)泵及啟動(dòng)循環(huán)泵 ................................................................................. 25 循環(huán)流化床鍋爐受熱面設(shè)備 .............................................................................. 26 水壓試驗(yàn) .......................................................................................................... 28 工程驗(yàn)收 .......................................................................................................... 29 6 鍋爐附屬管道及附件 ................................................................................................... 30 一般規(guī)定 .......................................................................................................... 30 鍋爐排污、取樣、加熱、疏放水、排 汽和減溫水管道 ....................................... 30 啟動(dòng)系統(tǒng) .......................................................................................................... 31 汽包水位計(jì) ...................................................................................................... 31 安全閥 ............................................................................................................. 31 吹灰系統(tǒng) .......................................................................................................... 32 工程驗(yàn)收 .......................................................................................................... 33 7 煙風(fēng)道、燃 (物 )料管道及附屬設(shè)備 .............................................................................. 33 一般規(guī)定 .......................................................................................................... 33 煙風(fēng)道、燃 (物 )料管道的組合及安 裝 ................................................................ 34 煙風(fēng)道、燃 (物 )料管道附件及裝置 ................................................................... 34 爐膛及煙風(fēng)系統(tǒng)密封性試驗(yàn) .............................................................................. 37 除塵器 ............................................................................................................. 38 工程驗(yàn)收 .......................................................................................................... 42 8 脫硫脫硝 .................................................................................................................... 42 一般規(guī)定 .......................................................................................................... 42 DL — 2020 煙氣脫硫 .......................................................................................................... 43 煙氣脫硝 .......................................................................................................... 46 工程驗(yàn)收 .......................................................................................................... 49 9 燃油系統(tǒng)設(shè)備及管道 ................................................................................................... 49 一般規(guī)定 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