大设计(自动保存的)

1、烟气特性表项目名称符号单位烟道进口过量空气系数受热面漏风系数出口过量空气系数平均过量空气系数pj过剩空气量Vm/kg水蒸汽容积VH2Om/kg烟气总容积vym/kgRO2气体占烟气份额rRO2水蒸汽占烟气份额rH2O三原子气体和水蒸汽占烟气容积rm烟气质量Gy飞灰无因次浓度fh理论空气量Vm/kg理论水蒸汽量VH2Om/kg三原子气体容积VRO2m/kg理论氮气容积VN2m/kg理论烟气容积Vym/kg收到基灰分Aar飞灰中纯灰份额fh煤的低位发热量Qar，netkj/kg是否计入飞灰焓123t,Cco2kj/mkj/kg100169147.706200357312.018300559488.

2、566400772674.728500996870.50460012221068.02870014611276.91480017041489.29690019511705.174100022021924.548110024572147.418120027172374.658130029762601.024140032402831.76150035043062.496160037673292.358170040353526.59180043033760.822190045713995.054200048434232.782210051154470.51220053874708.238锅炉热平衡及

3、燃料消耗量计算序号名称符号1锅炉输入热量Qr2排烟温度Vpy3排烟焓Hpy4冷空气温度Tlk5理论冷空气焓Hlk6化学未完全燃烧热损失Q37物理未完全燃烧热损失Q48排烟处过量空气系数py9排烟损失q210散热损失q511灰渣损失q612锅炉总损失q13锅炉热效率14保热系数15过热蒸汽焓H”gg16给水温度Tgs17给水焓Hgs18锅炉有效利用热Q19实际燃料消耗量B20计算燃料消耗量Bj炉膛结构计算序号名称符号1锅炉容积热强度qv2炉膛容积Vt3炉膛截面热强度qF4炉膛截面积At5炉膛截面宽深比a/b6炉膛宽度a7炉膛深度b8冷灰斗倾角9冷灰斗出口尺寸10冷灰斗容积Vhd11折焰角长度ls

4、12折焰角上倾角上13折焰角下倾角下14前屏管径及壁厚d*15前屏管内介质流速16前屏管子总流通面积A17前屏每根管子面积At18前屏总管子数n19前屏横向管距s120前屏片数z121前屏单片管子数n122前屏纵向节距s223前屏最小弯曲半径R24前墙深度baF25前屏与前墙之间距离26前后屏之间的距离27炉膛出口烟气流速wy28炉膛出口烟气温度l29炉膛出口烟气面积Ach30炉膛出口高度hch31前屏高度hap32水平烟道流速Wsy33水平烟道高度hgl34折焰角高度hly35炉顶容积Vld36炉膛主体高度hll炉膛结构尺寸计算序号名称符号1 侧墙面积A12A23A34A45A567 前墙面

5、积A48 后墙面积A59 炉膛出口烟窗面积Ach10 炉顶包覆面积Atd11 前屏面积Aqp12 燃烧器面积At13 前后侧墙水冷壁角系数X14 炉顶角系数Xld15 前屏角系数Xqp16 炉膛出口烟窗处角系数Xch17 整个炉膛的平均角系数X平均18 前屏区的侧墙面积Aqp，c19 前屏区的炉顶面积Aqp，ld20 前屏区的炉墙面积Aqp21 炉膛自由容积的水冷壁面积Axp22 炉膛容积V123 前屏占据容积Vp24 炉膛自由容积Vzy25 前屏区与炉膛的水平分割面积Afh，sh26 前屏区与炉膛的垂直分割面积Afh，ch27 自由容积的辐射有效厚度Szy28 前屏间容积的辐射有效厚度Spr

6、29 炉烫的辐射层有效厚度S30 燃烧器中心线的高度hr31 炉膛高度Hl32 燃烧器相对高度hr/Hl33 火焰中心相对高度Xl炉膛，后屏过热器高温过热器低温过热器l,hpggrdgr1.21.2150.0150.0151.21.2151.231.21.20751.22250.958440.99438151.06626450.5354308840.5360095420.5371668586.1592708846.1957910426.2688313580.1418999130.1410635050.1394199250.0869308870.0865118820.0856885160.228

7、83080.2275753870.2251084428.160335848.2072754398.301154637 0.0392334830.0387897854.79220.520.8743.79145.1854350.92171807.847578586是456CN2CH2Okj/mkj/kgkj/m130492.882151260985.7643043921486.22884635271998.06786266642517.48967948043048.28569679463586.6644114710934144.0002133512434712.7102152413945285.2

8、116172515455857.713192616956426.423213118507014.09234420097616.92262558烟气特性表21648204.5896277923238807.4222300124829410.25483227264210016.87883458280510634.8773688296411237.70963926312711855.70784161329012473.7064399单位公式结果kj/kg式（2-8）QrQar,net17180先估后校125kj/kg查焓温表用插值法求1309.1885取用20kj/kghlk=（ct）kV147.3

9、508取用0取用3查表2-9即低温空预器出口过量空气系数1.47（100-q4）(hpy-pyhlk)/Qr6.16883201取用0.65式（2-13）0q2+q3+q4+q5+q69.81883201100-q90.181167991-q5/(+q5)0.992843866kj/kg 查附录B-6、B-7，高温过热器出口参数p= 9.9MP，t=540 3477.91025给定227kj/kg查附录B-6、B-7，低温省煤器入口参数p=11.57 MP，t=227 978.3183kg/hDgr(hgg-hgs)874857182.5kg/h100*Q/(Qr)56467.44615kg/

10、hB(1-q4/100)54773.42277单位计算公式及数据来源数据1400001924.822867300000089.825067121:019.4776087249.47760872450锅炉热平衡及燃料消耗量计算炉膛结构计算175.453.1592029084525428000.1177083330.00101736115.699785115005.31840581619.2832975150.484923.47819451.240.786105013.33026271.4065006367.5100.8439003823.340797092421.23215.9冷灰斗高度5m单位

11、计算公式或数据来源数据48.7022047911.3485638150.684321.50861328232.2436819269.4081482231.18477573.0589934348.70599562596.42361332102.768.4240210.970.99炉膛结构尺寸计算0.90.99466.2692903740.73860846107.00789881070.4538692201.114745314.03720231887.07754340.73860846146.11798696.3463539651542408.1987.9487096536.165523.610.

12、2611393480.261139348一级省煤器二级省煤器空气预热器1sm2smky1.231.251.270.020.020.21.251.271.471.241.261.371.1501281.2459721.7731140.5385170610.5400601490.5485471356.3540450616.4514321496.9870611350.1375501730.1354737960.1250883570.0847518480.0837116680.0785089930.2223020210.2191854640.2035973518.4106803688.53585263

13、29.2243000840.0382846550.0377232380.034907798789101114Ck(cv)ashIk=Ck*VIy=3+5+9 Ifa=fh*Aar*0.01*(cv)ashkj/kgkj/mkj/kgkj/kg78.5213280.8632.5704719.10826.0176158.08266169.11274.7252 1455.86254.4502240.76403263.71931.2566 2215.55584.9114325.525423602597.3724 2998.316115.92412.88684458.53277.8648 3800.87

14、4147.637502.84830559.83977.526 4619.154180.2556596.44979663.24691.5638 5460.018213.5504694.21130767.25415.186 6327.496247.0384792.4812818746138.8082 7210.364281.42889714369846881.59928106.76316.8481001.52159510967643.559 9006.651352.9121108.12175412068405.5188 9909.201388.3321218.88191313609167.4786

15、 10833.99437.921330.16207615719948.6072 11778.84505.862烟气特性表1445.082239175810729.7358 12712.17566.0761560.522403183011515.656613660.3589.261678.042566206612296.7852 14614.88665.2521798.162729218413077.9138 15575.86703.2481917.762897238513883.0034 16547.69767.972041.523064251214683.3008 17512.01808.8

16、642163.723232264015488.3904 18489.94850.082287.483399276016288.6878 19469.42888.72燃烧器结构尺寸序号名称符号单位1一次风速m/s2二次风速m/s3三次风速m/s4一次风率5二次风率6三次风率7一次风温8二次风温9三次风温10燃烧器数量个11一次风口面积（单只）m212二次风口面积（单只）m213三次风口面积（单只）3壁厚14燃烧器假象切圆直径mm15燃烧器矩形对角线长度0.12465277816特性比值17特性比值取整数18燃烧器喷口高度mm19一次风喷口高度整20二次风喷口高度2122燃烧器高度23最下燃烧器距

17、冷灰斗高度24条件火炬长度252627282930前屏过热器计算尺计算序号名称符号单位1 管径及厚度d*mm2 单片管子根数n3根3 前屏片数z1片4 蒸汽流通截面积Am25 蒸汽质量流苏wkg/(m*s)6 前屏蒸汽平均比容vplm/kg7 蒸汽流苏wm/s8 前屏辐射受热面积Aqpm9炉膛结构尺寸计算烟烟气气焓焓温温表表Iy=Iy+(-1)*Ik=1.2=1.215IIIIkj/kgkj/kgkj/kgkj/kg871.63968881.1282361765.25724893.617561784.378118903.2498822686.71752921.460282715.6863699

18、31.3082513633.71028946.992763672.670866956.9844974604.08356970.373284653.251532980.5806665594.9144990.830845654.577291001.3257586611.881561016.967166682.2550171027.6777277657.57181045.690247738.799591056.5445738719.553841061.982048811.6359631072.8363739799.927441080.37369903.1514281091.51546510888.2

19、7481088.3473611002.928191099.77675711978.636761090.3619612104.719541101.79135713105.409721126.7729613242.92191138.20235714274.426041169.0163214423.655151180.73324915424.188761149.7627215585.13481161.47964916552.691521128.5027616725.426371140.29157217739.493841186.8023217923.945621198.51924918894.691

20、561155.1977219090.860271166.91464920092.261681197.5701220300.506731209.64646421257.535761165.2740821477.785271177.27854122437.695881180.1601222670.021741192.23646423615.881561178.1856823860.211881190.190141水冷壁设计尺寸序号1计算公式及数据来源数据2按表2-630选取3按表2-740选取4按表2-8选取5按表2-950选取6按表2-1050选取按表2-11选取没有200选取310选取选取4*

21、3=120.1610.172760选取6700选取hr/br5选取2L/br20.64714946450357.7777778382.222222232402.9205取整321.3006合理计算公式及数据来源数据序号42*342*31192530.09664924(D-Dj)/3600A974.313979550.014613.640395717429.7689101112131415前屏过热器计算尺计算16171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626

22、3646566676869707172737475767778798081828384858687888990919293=1.23=1.25IIIIkj/kgkj/kgkj/kgkj/kg890.616792903.26821803.498996912.8822041828.9935925.72532744.655218941.1562222783.28035954.286853711.631452966.9762343763.5789980.298554702.419504990.7880524767.97681004.39795714.24018 1011.8206765793.7907

23、1025.81396752.628474 1038.3882946846.459751052.669057820.02738 1067.3989067928.33111081.871358903.718086 1083.6907069026.494251098.1631510006.375421102.6573310144.00741117.5131511117.58157 1111.20615411270.452751126.4453512230.80232 1113.22075412398.91271128.4599513380.43408 1149.63175413563.7836511

24、64.8709514572.88426 1192.45017814771.85641208.0727515746.08083 1173.19657815960.675551188.8191516898.16122 1152.08038417128.474351167.798818108.3974 1210.23617818354.33311225.8587519287.02897 1178.63157819548.587251194.2541520508.75178 1221.72280820786.411851237.824621698.03478 1189.28300221991.7008

25、1205.2889522902.34759 1204.31280823212.11541220.414624104.54219 1202.19460224430.315951218.20055符号单位来源前后墙水冷壁回路个数Z1个左右侧墙水冷壁回路个数Z2个管径及壁厚d*mm管子节距smms/d=1.3-1.35选取前后墙管子根数n1根a/s+1选取左右侧墙管子根数n2根b/s+1选取水冷壁设计尺寸名称符号单位计算公式及数据来源热空气温度trk理论空气含Hth炉膛漏风系数l制粉系统漏风系数zf冷空气温度tlk理论冷空气哈Hlk空预器出口过量空气系数ky空气带入炉内热量Qh1kg燃料带入炉内热量

26、Ql理论燃烧温度。炉膛出口烟温l”炉膛出口烟焓Hl”烟气平均热量VCpj水蒸气容积份额rHO三原子气体容积份额rs三原子气体分压力pnp*s的积pn*S三原子气体辐射减弱系数Ks灰粒子辐射减弱系数Kh焦炭粒子辐射减弱系数Kj无因次量x无因次量x半发光火焰辐射减弱系数K乘积KpS炉膛火焰有效黑度ahy乘积nSzy自由容积内三原子减弱系数Ky乘积KpSzy自由容积的火焰黑度azy乘积Pn*Spa屏间容积内三原子辐射减弱系数Ky乘积KpSpa屏宽溶剂的火焰黑度aph屏宽与s比值A/Szy屏宽A与屏节距之比w屏的修正系数Cp屏间的修正系数Cpa系数a屏的辐射系数p屏区的辐射系数pa屏的黑度ap屏区的黑

27、度apq屏的曝光不均匀系数zp屏区水冷壁曝光不均匀系数zpq计级曝光屏的不均匀面积Aqp计级曝光不均匀屏区面积Apq炉墙总面积Alq前后侧墙水冷壁的沾污系数屏的沾污系数p炉顶包覆管的沾污系数ld炉膛出口屏的沾污系数ck前后墙水冷壁的热有效系数炉顶包覆管的热有效系数ld屏的热有效系数p炉膛出口屏的热有效系数ck平均热有效系数pj炉膛黑度ai与炉内最高温有关系数M炉膛出口烟温”l炉膛出口烟焓H”l炉膛吸热量Ql炉膛热有效强度qv炉膛截面热强度qf炉内平均辐射热强度ql炉顶辐射吸热分布系数ld炉顶辐射热强度qld炉顶辐射受热面积Ald炉顶吸热量Qldkj/kgqp前屏辐射热强度q qp前屏吸热量Qq

28、p后屏辐射吸热分布系数hp后屏辐射热强度q hp后屏吸热量Qhp附加过热器总吸热量Qfj一级减温水Djws二级减温水量Djwz附加过热器含增量hfj饱和蒸汽含hbh包覆蒸汽出口焓h”bf包覆出口蒸汽温度t”bf前屏焓增量hqp前屏出口蒸汽焓h”qp前屏出口蒸温度t”qp炉膛出口烟温焓”l=1.27=1.47IIIIkj/kgkj/kgkj/kgkj/kg915.9196081042.4336881854.488004938.5683962109.4330441066.9993562821.905482967.4174783208.1568021098.7237583815.526348993.

29、6208664335.0008281126.8440264833.5340961018.0077485489.1070561154.1062285873.341221039.8071246668.846421179.7393646940.2910261066.9498067878.6037861209.7573668036.634821096.3437949119.672021241.0682349149.2704141112.63559410377.032051257.36003410281.639381132.3689711657.959221280.9271711423.32393114

30、1.68454612952.035731294.07650612567.023081143.69914614248.126841296.09110613747.133221180.11014615580.628941332.50210614970.828541223.69532216960.549981379.92104216175.270271204.44172218321.217431360.66744217358.787481183.51721619661.91881340.70137618600.26881241.48132221059.625841397.70704219810.14

31、5531209.87672222425.728291366.10244221064.071921253.92639223840.67261414.94431222285.366821221.29489825222.026981381.35437823521.883211236.51639226619.561291397.53431224756.089711234.20649828013.827271394.265978数据3.791043489 取43.791043489 取460*680119.470109 取120119.470109 取120水冷壁设计尺寸数据30022610.050.1

32、220147.35081.473363.45471620542.46142189510501100020.15698130.0869308870.18237970.0175084510.139169595487100.50.53.452.6326126370.9282290970.1111148294.9473452562.1019124330.876991120.1111148294.7895244282.1019124330.8779397610.3819515920.8527380950.650.750.840.140.050.80.70.9122099210.79818368197.61366688965.0802870.850.450.850.820.450.440.350.4450.450.960.5序号名称符号单位1锅炉输入热量Qrkj/kg2排烟温度Vpy3排烟焓Hpykj/kg4冷空气温度Tlk5理论冷空气焓Hlkkj/kg6化学未完全燃烧热损失 Q37物理未完