锅炉热力计算书.docx

第一节热力计算汇总
1.煤质资料
序号项目符号设计煤校核煤Ⅰ校核煤Ⅱ单位1应用基碳Cy5.02561.2150.84%2应用基氢Hy2.933.473.43%3应用基氧Oy5.049.810.02%4应用基氮Ny1.151.211.19%5应用基硫Sy1.040.780.52%6应用基水份Wy7.64.95.4%7应用基灰份Ay31.9918.6328.6%8低位发热量Qydw196542343119731KJ/Kg9固有水份Wf%10应用基挥发份Vy19.629.1327.75%11可磨系数Kha726358灰熔点1变形温度t1＞15001460＞1500℃2软化温度t2＞15001480＞1500℃3熔化温度t3＞15001500＞1500℃灰成份1氧化硅SiO252.4837.2648.24%2氧化铝Al2O334.1643.8542.52%3氧化铁Fe2O34.232.231.6%4氧化钙CaO1.978.321.25%5氧化镁MgO1.360.530.62%6氧化钠K2O0.090.061.45%7氧化钾Na2O0.380.960.55%8氧化硫SO32.45.21.7%9氧化钛TiO21.271.170.62%10氧化磷P2O50.250.30.13%11其他1.410.121.32%
2.受热面结构尺寸
序号受热面名称外径横向节距纵向节距受热面面积排数每排根数mmmmmmm2排根1墙式再热器5457420.14422分隔屏再热器51280460681.42×4243后屏过热器60/5468463.6962.220144屏式再热器63456731314.530145末级再热器6322811415466076末级过热器5117110218598147低温过热器51140102121039958省煤器5115010263619333.锅炉设计参数
序号项目单位定压滑压BMCRTMCRECR高加全切75%50%30%1过热蒸汽流量t/h1025969.5894.4789.4649.9436.5307.52过热蒸汽出口压力MPa17.617.517.317.214.49.57.53过热蒸汽出口温度℃540540540540540535528.94再热蒸汽流量t/h848.6805.5746.8774.9553.4384.8278.25再热蒸汽进口压力MPa3.733.543.283.452.421.611.086再热蒸汽出口压力MPa3.553.372.293.282.291.521.017再热蒸汽进口温度℃329323315328311296.42858再热蒸汽出口温度℃5405405405405405155009给水温度℃27827426917925122921110排烟温度（修正前）℃127.2122.2120.6109.4111.7104.4108.311排烟温度（修正后）℃121.7116.7115.6105106.198.9101.112过热器喷水温度℃182179.4176.7177.2163.9148.9137.213过热器喷水量（一级）t/h09.5021.6070.1032.5023.8016.7014过热器喷水量（二级）t/h02.03.010.05.05.03.015锅筒压力MPa19.018.718.418.115.110.17.916饱和温度℃361.7360.7359.4357.7343.2311.9294.74.热损失及热负荷（设计煤种）
序号项目单位定压滑压BMCRTMCRECR高加全切75%50%30%1干烟气损失%4.544.314.243.513.594.764.742燃料中含水份热损失%0.060.060.060.050.050.070.073氢的燃烧损失%0.160.140.140.080.090.170.174空气中含水份热损失%0.080.080.080.060.060.090.085未完全燃烧热损失%1.001.151.251.301.652.202.506辐射热损失%0.180.180.200.200.210.210.217其它热损失%0.340.340.340.340.340.340.348制造厂裕度%0.310.310.310.310.310.310.319低位热效率%93.3293.4293.3794.1493.7091.8491.5710高位热效率%89.4689.5689.5190.2589.8288.0487.7811燃料消耗量t/h143.7137.52129.02132.5497.8870.0850.9912炉膛容积热负荷kW/m310399939570503713炉膛断面热负荷kW/m3453143364067417830862208160814净热输入