脫硫脫硝課程設(shè)計(jì)

1、目錄目錄1、前言..........................................................................................................................32、設(shè)計(jì)原則...................................................................................

2、...............................33、設(shè)計(jì)步驟..................................................................................................................54、設(shè)計(jì)計(jì)算書(shū)............................................................

3、..................................................54.1理論空氣量的計(jì)算..........................................................................................54.1.1碳與氧的作用........................................................

4、...............................54.1.2氫與氧的作用.......................................................................................64.1.3硫與氧的作用..............................................................................

5、.........64.2空氣過(guò)剩系數(shù)..................................................................................................64.3水蒸氣量的計(jì)算............................................................................................

6、..74.4煙氣體積計(jì)算..................................................................................................74.4.1理論煙氣體積......................................................................................74.4.2、實(shí)際煙氣體

7、積............................................................................8wfgV4.4.3、煙氣體積和密度的校正....................................................................84.4.4過(guò)?？諝廨^正..........................................

8、............................................85、物料平衡核算..........................................................................................................95.1吸收塔的物料平衡.................................................

9、.........................................95.2石膏處理系統(tǒng)的物料平衡............................................................................105.3煙氣系統(tǒng)及石灰石濕磨系統(tǒng)的物料平衡....................................................115.4水平衡......

10、......................................................................................................115.5熱量平衡的計(jì)算............................................................................................126、設(shè)計(jì)計(jì)算書(shū).....

11、.......................................................................................................167、總結(jié)...............................................................................................................

12、.........247.1對(duì)本設(shè)計(jì)的評(píng)述或有關(guān)問(wèn)題的分析討論....................................................248、參考文獻(xiàn)................................................................................................................24脫硫脫硝技術(shù)課程設(shè)計(jì)3（6）除

13、塵器漏風(fēng)系數(shù)3%。（7）增壓風(fēng)機(jī)漏風(fēng)系數(shù)1%。（8）GGH漏風(fēng)系數(shù)1%。2、設(shè)計(jì)條件：（1）除塵器出口煙氣溫度138℃。（2）脫硫效率95%。（3）氧化倍率2。（4）CaS摩爾比1.03。（5）煙氣流速3.5ms。（6）霧化區(qū)停留時(shí)間2.5s。（7）液氣比14Lm3。（8）停留時(shí)間5s。（9）GGH凈煙氣側(cè)出口溫度80℃。3、設(shè)計(jì)內(nèi)容：（1）燃料灰渣計(jì)算。（2）FGD系統(tǒng)煙氣量計(jì)算。（3）石灰石與石膏耗量計(jì)算。（4）除塵器出口飛灰計(jì)算。

14、（5）設(shè)計(jì)計(jì)算（氧化風(fēng)量、蒸發(fā)水量、脫硫反應(yīng)熱、吸收塔內(nèi)放熱、水蒸發(fā)吸收、水平衡、石灰石用量、石膏產(chǎn)量、吸收塔尺寸、氧化槽尺寸核算等）。（6）對(duì)本設(shè)計(jì)的評(píng)述或有關(guān)問(wèn)題的分析討論。（7）吸收塔工藝流程圖，并在圖上標(biāo)注系統(tǒng)主要煙氣流量與SO2濃度參數(shù)。（8）繪制吸收塔塔體結(jié)構(gòu)尺寸圖。本課程設(shè)計(jì)采用的工藝為石灰石石膏濕法全煙氣脫硫工藝，吸收塔采用單回路噴淋塔工藝，含有氧化空氣管道的漿池布置在吸收塔底部，氧化空氣空壓機(jī)（1用1備）安裝獨(dú)立風(fēng)機(jī)房