5萬(wàn)風(fēng)量活性炭吸附及在線脫附催化燃燒工程計(jì)算書

5萬(wàn)風(fēng)量活性炭吸附及在線脫附催化燃燒工程計(jì)算書,,,,,,,,,,,

廢氣基本參數(shù),,,,,,,,,,,

廢氣風(fēng)量(工況）,,m3/h,50000,,,,,,,需要填入?yún)?shù),

排放溫度,,℃,20,,,,,,,手動(dòng)圓整數(shù)值,

廢氣風(fēng)量（標(biāo)況）,,Nm3/h,46587,,,,,,,,

VOCs組分,,,苯,非甲烷總烴,二甲苯,D,E,F,G,,

催化燃燒溫度,,℃,120,140,110,0,0,0,0,,

摩爾質(zhì)量,,g/mol,78,80,106,50,50,50,50,,

LEL（室溫）,,%,1.4,1.0,1.08,1,1,1,1,,

質(zhì)量濃度(工況）,,mg/m3,0.00,200.00,0.00,0,0,0,0,,

質(zhì)量濃度（標(biāo)況）,,mg/Nm3,0,214.6520147,0,0,0,0,0,,

體積濃度（設(shè)計(jì)溫度）,,%,0,0.006010256,0,0,0,0,0,,

熱值,,kJ/mol,3303,3918,4598,,,,,,

熱值,,kJ/kg,42346,48975,43377.35849,0,0,0,0,,

混合氣體熱值,,kJ/kg,48975,,,,,,,,

混合氣體摩爾質(zhì)量,,g/mol,80.00,,,,,,,,

占混合可燃?xì)怏w體積分?jǐn)?shù),,%,0.00,1.00,0.00,0.00,0.00,0.00,0.00,,

濃度/爆炸下限,,,0.00,1.00,0.00,0.00,0.00,0.00,0.00,,

混合爆炸下限,,%,1.00,,,,,,,,

排放量,,kg/h,0,10,0,0,0,0,0,,

總排放量,,kg/h,10.00,,,,,,,,

各組分放熱,,kJ/h,0,489750,0,0,0,0,0,,

各組分放熱合計(jì),,kJ/h,489750,,,,,,,,

,,kW,136,,,,,,,,

工藝計(jì)算書（公眾號(hào)：非電煙氣治理）,,,,,,,,,,,

吸附床尺寸計(jì)算,,,,,,,,,,,

吸附床總數(shù)量,,個(gè),3,,,,,,,,

吸附數(shù)量,,個(gè),2,,,,,,,,

脫附數(shù)量,,個(gè),1,,,,,,,,

蜂窩活性炭空速,,m/s,1.5,,,,,,,0.8-1.8,

單個(gè)吸附床迎風(fēng)面積計(jì)算值,,m2,4.63,,,,,,,,

吸附床規(guī)格計(jì)算值,長(zhǎng),m,2.15,,,,,,,,

,寬,m,2.15,,,,,,,,

"吸附床規(guī)格

實(shí)際取值",長(zhǎng),m,2.20,,,,,,,圓整取值,

,寬,m,2.20,,,,,,,圓整取值,

,高,m,0.60,,,,,,,0.6-0.8,

單個(gè)吸附床迎風(fēng)面積實(shí)際值,,m2,4.84,,,,,,,,

吸附床空塔速度實(shí)取值,,m/s,1.43,,,,,,,,

,,,,,,,,,,,,

蜂窩活性炭用量計(jì)算,,,,,,,,,,,

活性炭密度,,kg/m3,450,,,,,,,,

活性炭規(guī)格,長(zhǎng),mm,100,,,,,,,,

,寬,mm,100,,,,,,,,

,厚,mm,100,,,,,,,,

活性炭吸附容量,,,8%,,,,,,,,

凈化準(zhǔn)效率,,,90%,,,,,,,,

單個(gè)吸附床活性炭體積,,m3,2.90,,,,,,,,

單個(gè)吸附床活性炭質(zhì)量,,kg,1307,,,,,,,,

活性炭總體積,,m3,8.71,,,,,,,,

活性炭總質(zhì)量,,kg,3920,,,,,,,,

單個(gè)吸附床吸附量,,kg,104.54,,,,,,,,

吸附時(shí)間計(jì)算值,,h,23.23,,,,,,,,

脫附時(shí)間計(jì)算值,,h,11.62,,,,,,,,

吸附時(shí)間實(shí)際取值,,h,12,,,,,,,圓整取值,

脫附時(shí)間實(shí)際取值,,h,6,,,,,,,圓整取值,

,,,,,,,,,,,,

脫附風(fēng)量計(jì)算,,,,,,,,,,,

脫附溫度,,℃,100,,,,,,,,

脫附氣體濃度,,mg/m3,5500,,,,,,,6-8g/m3,

脫附氣體濃度,,mg/Nm3,7515,,,,,,,,

脫附氣體濃度,,ppm,2104,,,,,,,如果大于混合爆炸下限的25%，請(qǐng)重新定濃度,

混合爆炸下限的25%,,ppm,2500,,,,,,,,

脫附風(fēng)量計(jì)算值,,m3/h,1818,,,,,,,,

脫附風(fēng)量實(shí)際取值,,m3/h,2000,,,,,,,圓整取值,

脫附風(fēng)量（標(biāo)況下）,,Nm3/h,1464,,,,,,,,

,,,,,,,,,,,,

緩沖罐計(jì)算,,,,,,,,,,,

脫附風(fēng)停留時(shí)間,,s,1,,,,,,,,

緩沖罐容積（計(jì)算值）,,m3,0.56,,,,,,,,

緩沖罐直徑,,mm,1000,,,,,,,,

緩沖罐高度,,mm,1400,,,,,,,如果容積不合適，重新輸入直徑和高度,

緩沖罐實(shí)際容積,,m3,1.10,,,,,,,,

緩沖罐出口熱風(fēng),溫度,℃,100,,,,,,,,

,比熱,kJ/kg·K,1.009,,,,,,,查表,

,密度,kg/m3,0.946,,,,,,,查表,

,風(fēng)量,m3/h,2000,,,,,,,,

,,Nm3/h,1464,,,,,,,,

緩沖罐進(jìn)口熱風(fēng),溫度,℃,180,,,,,,,依據(jù)熱器廠家提供數(shù)據(jù),

,比熱,kJ/kg·K,1.047,,,,,,,查表,

,密度,kg/m3,0.615,,,,,,,查表,

,風(fēng)量,m3/h,1166,,,,,,,,

,,Nm3/h,703,,,,,,,,

換熱器出口去煙囪風(fēng)量,,m3/h,1263,,,,,,,,

,,Nm3/h,761,,,,,,,,

緩沖罐進(jìn)口新鮮風(fēng),溫度,℃,20,,,,,,,環(huán)境溫度,

,比熱,kJ/kg·K,1.005,,,,,,,查表,

,密度,kg/m3,1.205,,,,,,,查表,

,風(fēng)量,m3/h,817,,,,,,,,

,,Nm3/h,761,,,,,,,,

,,,,,,,,,,,,

壓縮空氣儲(chǔ)罐計(jì)算,,,,,,,,,,,

氣動(dòng)風(fēng)門數(shù)量,,個(gè),18,,,,,,,依據(jù)PID核對(duì),

風(fēng)門開關(guān)一次消耗壓縮空氣量,,L/次·個(gè),4,,,,,,,"經(jīng)驗(yàn)值

DN500風(fēng)門開關(guān)一次耗氣6L

一周期內(nèi)所有風(fēng)門均開關(guān)一次",

吸附脫附周期,,h,18,,,,,,,,

平均消耗壓縮空氣量,,L/h,4,,,,,,,,

取值（余量0.5）,,L/h,6,,,,,,,供給客戶提工藝條件用,

風(fēng)門動(dòng)作時(shí)間,,s/次,5,,,,,,,暫定,

同時(shí)動(dòng)作風(fēng)門數(shù)量,,個(gè),2,,,,,,,取決于脫附床數(shù)量,

壓縮空氣最大消耗量,,L/min,96,,,,,,,,

壓縮空氣速度,,m/s,13,,,,,,,10-15,

吸附床風(fēng)門用氣總管,,mm,12.52,,,,,,,,

總氣管取值,,DN,13,,,,,,,,

儀表耗氣量,,Nm3/h,0.004,,,,,,,"每個(gè)集氣罩2個(gè)氣缸，正常用2個(gè)集氣罩,缸容積18L",

浸漆槽集氣罩氣缸容積,,L,72,,,,,,,,

動(dòng)作頻率,,次,4,,,,,,,30分鐘,

耗氣量,,Nm3/h,0.576,,,,,,,,

氣源裝置供氣設(shè)計(jì)容量,,Nm3/min,0.022,,,,,,,,

大氣壓力,,kPa(A),101,,,,,,,,

正常操作壓力,,kPa（A）,600,,,,,,,,

最低送出壓力,,kPa（A）,500,,,,,,,,

貯存時(shí)間,,min,20,,,,,,,5-20min,

壓縮空氣儲(chǔ)罐容積（計(jì)算值）,,m3,0.45,,,,,,,注：脫附床少可以不用壓縮空氣儲(chǔ)罐，由于閥門數(shù)量少且動(dòng)作不頻繁,

儲(chǔ)罐尺寸,直徑,mm,,,,,,,,,

,高,mm,,,,,,,,,

,,,,,,,,,,,,

風(fēng)機(jī)選型計(jì)算,,,,,,,,,,,

風(fēng)機(jī)選型風(fēng)量余量,,,5%,,,,,,,,

主風(fēng)機(jī)選型風(fēng)量（工況）,,m3/h,52500,,,,,,,估計(jì)值，待布局確定再核實(shí)該風(fēng)壓,

主風(fēng)機(jī)全壓,,Pa,3000,,,,,,,,

主風(fēng)機(jī)效率,,,90%,,,,,,,經(jīng)驗(yàn)值，可參考風(fēng)機(jī)樣本,

主風(fēng)機(jī)軸功率,,KW,48.61,,,,,,,4，5.5，7.5，11，15，18.5，22，30，37，45，55，75，90，110，115，,

主風(fēng)機(jī)選型功率,,kW,55.00,,,,,,,,

脫附風(fēng)機(jī)選型風(fēng)量（工況）,,m3/h,2100,,,,,,,,

脫附風(fēng)機(jī)全壓,,Pa,3500,,,,,,,估計(jì)值，待布局確定再核實(shí)該風(fēng)壓,

脫附風(fēng)機(jī)效率,,,90%,,,,,,,,

脫附風(fēng)機(jī)軸功率,,KW,2.27,,,,,,,經(jīng)驗(yàn)值，可參考風(fēng)機(jī)樣本,

脫附風(fēng)機(jī)選型功率,,kW,3.00,,,,,,,,

,,,,,,,,,,,,

風(fēng)管管徑計(jì)算,,,,,,,,,,,

廢氣溫度,,℃,,,,,,,,,

脫附氣體溫度,,℃,100,,,,,,,,

催化床出口煙氣溫度,,℃,450,,,,,,,,

風(fēng)速,,m/s,15,,,,,,,經(jīng)驗(yàn)值10-15m/s,

主風(fēng)管直徑（計(jì)算值）,,mm,1086,,,,,,,,

主風(fēng)管直徑（取值）,,mm,1100,,,,,,,圓整取值,

支風(fēng)管直徑(計(jì)算值）,,mm,768,,,,,,,,

支風(fēng)管直徑(取值）,,mm,800,,,,,,,圓整取值,

脫附主風(fēng)管直徑（計(jì)算值）,,mm,217,,,,,,,,

脫附主風(fēng)管直徑（取值）,,mm,250,,,,,,,圓整取值,

脫附支風(fēng)管直徑（計(jì)算值）,,mm,217,,,,,,,,

脫附支風(fēng)管直徑（取值）,,mm,250,,,,,,,圓整取值,

換熱器出口廢氣風(fēng)管直徑（計(jì)算值）,,mm,256,,,,,,,,

換熱器出口廢氣風(fēng)管直徑（取值）,,mm,300,,,,,,,圓整取值,

換熱器出口煙氣風(fēng)管直徑（計(jì)算值）,,mm,239,,,,,,,,

換熱器出口煙氣風(fēng)管直徑（取值）,,mm,300,,,,,,,圓整取值,

催化床出風(fēng)管直徑（計(jì)算值）,,mm,302,,,,,,,,

催化床出風(fēng)管直徑（取值）,,mm,350,,,,,,,圓整取值,

換熱器去煙囪風(fēng)管直徑（計(jì)算值）,,mm,173,,,,,,,,

換熱器去煙囪風(fēng)管直徑（取值）,,mm,200,,,,,,,圓整取值,

緩沖罐進(jìn)新鮮風(fēng)管直徑（計(jì)算值）,,mm,139,,,,,,,,

緩沖罐進(jìn)新鮮風(fēng)管直徑（取值）,,mm,150,,,,,,,圓整取值,

緩沖罐進(jìn)熱風(fēng)管直徑（計(jì)算值）,,mm,166,,,,,,,,

緩沖罐進(jìn)熱風(fēng)管直徑（取值）,,mm,200,,,,,,,圓整取值,

,,,,,,,,,,,,

燃燒過程計(jì)算,,,,,,,,,,如果各組分濃度均等，取最大值，否則人工判斷,

催化燃燒溫度取值,,℃,260,,,,,,,,

催化燃燒溫度下的氣體比熱,,kJ/kg·K,1.042,,,,,,,查表得，如果計(jì)算后，最終溫度與該假定溫度相差太多要重新假定,

升溫后氣體比熱（假定500℃）,,kJ/kg·K,1.101,,,,,,,,

平均比熱,,kJ/kg·K,1.0715,,,,,,,如果該數(shù)值大于600請(qǐng)重新選定脫附氣體濃度,

燃燒后氣體溫度,,℃,450,,,,,,,,

燃燒后氣體溫升,,℃,241,,,,,,,核實(shí)該數(shù)據(jù)是否與假定溫度減催化燃燒溫度之差相近,

燃燒后氣體量,,m3/h,5297,,,,,,,,

燃燒后氣體比熱,,kJ/kg·K,1.093,,,,,,,查表得,

燃燒后氣體密度,,kg/m3,0.456,,,,,,,查表得,

燃燒后氣體熱量,,kW,259,,,,,,,,

,,,,,,,,,,,,

換熱器換熱面積計(jì)算,,,,,,,,,,,

入口煙氣溫度T1,,℃,450,,,,,,,,

入口煙氣比熱,,kJ/kg·K,1.101,,,,,,,查表得,

入口脫附氣溫度t1,,℃,100,,,,,,,吸附床溫降按20度,

入口脫附氣比熱,,kJ/kg·K,1.005,,,,,,,查表得,

出口脫附氣溫度t2,,℃,260,,,,,,,,

出口脫附氣比熱,,kJ/kg·K,1.042,,,,,,,查表得,

脫附氣平均比熱,,kJ/kg·K,1.024,,,,,,,,

換熱量,,kW,86,,,,,,,根據(jù)計(jì)算的出口煙氣比熱，試差,

出口煙氣溫度T2,,℃,298,,,,,,,,

R=(T1-T2)/(t2-t1),,,0.953,,,,,,,,

P=(t2-t1)/(T1-t1),,,0.457,,,,,,,,

對(duì)數(shù)溫差修正系數(shù),,,0.940,,,,,,,查表《化工原理》P234,

對(duì)數(shù)平均溫差,,,193.737,,,,,,,,

換熱系數(shù),,w/m2K,12,,,,,,,約12～35,

換熱面積,,m2,47,,,,,,,取20%余量,

,,,,,,,,,,,,

催化劑用量計(jì)算,,,,,,,,,,,

單塊催化劑規(guī)格,長(zhǎng),mm,100,,,,,,,,

,寬,mm,100,,,,,,,,

,厚,mm,50,,,,,,,進(jìn)口催化劑取30000，國(guó)產(chǎn)取10000,

催化劑空速,,1/h,10000,,,,,,,,

催化劑厚度,,m,0.4,,,,,,,0.2-0.4,

催化劑密度,,kg/m3,1200,,,,,,,,

催化劑體積計(jì)算值,,m3,0.1464,,,,,,,,

催化劑迎風(fēng)面積,,m2,0.3660,,,,,,,,

催化劑尺寸計(jì)算值,長(zhǎng),m,0.6049,,,,,,,,

,寬,m,0.6049,,,,,,,,

催化劑尺寸取值,長(zhǎng),m,0.7,,,,,,,圓整取值,

,寬,m,0.7,,,,,,,圓整取值,

高徑比,,,0.571428571,,,,,,,0.5-2,

催化劑體積實(shí)際值,,m3,0.20,,,,,,,,

催化劑質(zhì)量,,kg,235.2,,,,,,,,

,,,,,,,,,,,,

催化床尺寸計(jì)算,,,,,,,,,,,

催化床保溫厚度,,m,0.2,,,,,,,,

催化床長(zhǎng),,m,1.1,,,,,,,,

催化床寬,,m,1.1,,,,,,,參考《有機(jī)廢氣凈化技術(shù)》P153,

催化反應(yīng)停留時(shí)間,,s,0.15,,,,,,,,

燃燒室容積,,m3,0.162,,,,,,,,

燃燒室高度(計(jì)算值）,,m,0.330,,,,,,,,

燃燒室高度取值,,m,0.40,,,,,,,,

爆破片流通面積（計(jì)算值）,,m2,0.011,,,,,,,,

爆破片選型（矩形）,,mm,,,X,240,,,,,

,,,,,,,,,,,,

電加熱功率計(jì)算,,,,,,,,,,,

催化劑比熱,,kJ/kg·K,0.5,,,,,,,,

催化劑預(yù)熱前溫度,,℃,20,,,,,,,,

催化劑預(yù)熱后溫度,,℃,260,,,,,,,,

催化劑溫升,,℃,240,,,,,,,,

*催化劑吸熱,,kJ,28224,,,,,,,,

陶瓷質(zhì)量,,kg,47,,,,,,,,

陶瓷比熱,,kJ/kg·K,1,,,,,,,,

陶瓷預(yù)熱前溫度,,℃,20,,,,,,,,

陶瓷預(yù)熱后溫度,,℃,260,,,,,,,,

陶瓷溫升,,℃,240,,,,,,,,

*陶瓷吸熱,,kJ,11172,,,,,,,"估計(jì)值

待布局確定再核對(duì)",

保溫面積,,m2,,,,,,,,,

保溫厚度,,m,,,,,,,,,

保溫棉體積,,m3,1.8,,,,,,,,

保溫棉比熱,,kJ/kg·K,0.8,,,,,,,根據(jù)客戶產(chǎn)品情況選值,

保溫棉密度,,kg/m3,220,,,,,,,根據(jù)客戶產(chǎn)品情況選值,

保溫棉預(yù)熱前溫度,,℃,20,,,,,,,,

保溫棉預(yù)熱后溫度,,℃,200,,,,,,,,

保溫棉質(zhì)量,,kg,396,,,,,,,,

保溫棉溫升,,℃,180,,,,,,,,

*保溫棉吸熱,,kJ,57024,,,,,,,,

換熱管比熱,,kJ/kg·K,0.5,,,,,,,,

換熱管質(zhì)量,,kg,845,,,,,,,,

換熱管預(yù)熱前溫度,,℃,20,,,,,,,,

換熱管預(yù)熱后溫度,,℃,260,,,,,,,,

換熱管溫升,,℃,240,,,,,,,,

*換熱管吸熱,,kJ,101423,,,,,,,,

管道比熱,,kJ/kg·K,0.5,,,,,,,,

管道質(zhì)量,,kg,500,,,,,,,,

管道預(yù)熱前溫度,,℃,20,,,,,,,,

管道預(yù)熱后溫度,,℃,260,,,,,,,,

管道溫升,,℃,240,,,,,,,,

管道吸熱,,kJ,60000,,,,,,,冷啟動(dòng)時(shí)部分管道,

活性炭比熱,,kJ/k