1、330MW锅炉热力计算G1020 1858YM23锅炉共 11 页第 1 页G-1020/18.58-YM23锅炉热 力 计 算 结 果 汇 总 编制：校对：审核：审定：中华人民共和国日 期签 字文件及其号码数量更改标记共 11 页第 2 页一、煤质分析1、煤质分析名 称符 号单 位设计煤种设计煤种碳(收到基)Car%60.3356.97氢(收到基)Har%3.623.5氧(收到基)Oar%9.949.18氮(收到基)Nar%0.70.7硫(收到基)Sar%0.410.6灰份(收到基)Aar%11.011.65水份(收到基)Mar%14.017.4水份(空气干燥基)Mad%8.45.49挥发份
2、(干燥无灰基）Vdaf%36.4430.83低位发热值Qnet.arKJ/kg2276021490哈氏可磨系数HGI/5653灰开始变形温度DT11301120灰软化温度ST11601150灰熔化温度FT121011602、环境条件环境温度tAA20平均气压PhPa1016.7海拔标高m4.5共 11 页第 3 页二、炉 膛 结 构 数 据名 称单 位炉膛宽度m14.048炉膛深度m12.468上层煤粉燃烧器中心至屏底距离m18.5炉膛容积（按冷灰斗一半考虑）m37754辐射受热面(到分隔屏底)m22160辐射受热面(到后屏入口)m23413辐射受热面(到炉膛出口)m24514共 11 页第
3、4页三、热 力 数 据名 称单位设计煤种MCRTRLTHA75%THA40%THA(滑压)高 加全 切校核煤MCR主蒸汽流量t/h10209699196653628451020主蒸汽出口压力MPa.g18.5818.4918.4118.057.3718.2918.58主蒸汽出口温度C543543543543543543543给水温度C258.8255.8253.0235.3205.0185.9258.8给水压力MPa.g20.3520.1319.9118.988.1219.6120.35再热蒸汽流量t/h923.21877.5836.01610.46338.85840.98923.21再热蒸汽
4、出口压力MPa.g4.1293.9203.7382.7181.4743.8444.129再热蒸汽出口温度C543543543543543543543再热蒸汽进口压力MPa.g4.3254.1063.9162.8471.5464.0234.325再热蒸汽进口温度C336.27330.9326.37299.85337334.24336.27减温水喷水压力MPa.g21.3821.0920.8019.568.4520.1321.38减温水喷水温度C187.46185.11183.31170.6148.38185.87187.46过热器一级喷水量t/h08.914.539.52043.74.6共 11
5、 页第 5页名 称单位设计煤种MCRTRLTHA75%THA40%THA(滑压)高 加全 切校核煤MCR过热器二级喷水量t/h04.48.219.64.021.12再热器喷水量t/h0000000总燃煤量t/h129.5124.2118.790.251.3121.3136.8总风量(到风箱)t/h1191.81143.71093.9922.3469.91116.81199.6炉膛漏风t/h62.760.257.648.524.758.863.1总风量t/h1254.51203.91151.5970.8494.61175.61262.7下炉膛出口烟温C1310130513031271109612
6、851307炉膛出口烟温C10101008100796680010001005煤粉喷嘴投运层数层4443244顶层喷嘴No./4455244底层喷嘴No./1123111喷嘴摆动角度度-502260-25-19炉膛截面热负荷103KW/m24.6374.4474.2503.2231.8264.3434.625炉膛容积热负荷KW/m3104.74100.4696.0172.8141.2498.11104.47干烟气热损失%4.604.554.504.382.823.944.39共 11 页第 6页名 称单位设计煤种MCRTRLTHA75%THA40%THA(滑压)高 加全 切校核煤MCR燃料中的
7、水分热损失%1.561.561.561.541.521.552.03燃烧中氢的热损失%3.583.583.573.543.463.523.63空气中水分热损失%0.080.080.070.070.050.070.07未燃尽碳热损失%0.80.80.81.01.40.80.8辐射热损失%0.190.190.200.260.450.200.19不可测量热损失%0.350.350.350.350.350.350.35总热损失%11.1611.1111.0511.1410.0510.4311.46效率(按高位发热值)%88.8488.8988.9588.8689.9589.5788.54效率(按低位发
8、热值)%93.4593.5093.5693.4794.6094.2193.65过量空气系数/1.251.251.251.391.251.251.25共 11 页第 7页四、磨 煤 机 性 能 计 算名 称单位设计煤种MCRTRLTHA75%THA40%THA(滑压)高 加全 切校核煤MCR磨煤机型号HP863煤粉细度(R90)2019磨煤机投运台数台4443244总的磨煤机出口风量（不含煤粉、水分）t/h281.8277.9274.1206.4131.2276.1295.1出口混合物温度C75757575757580磨煤机出口煤粉水份%5555555.5磨煤机进口风温C242238234235
9、219236293共 11 页第 8页五、各级受热面计算特性名 称设计煤种MCRTRLTHA75%THA40%THA(滑压)高 加全 切校核煤MCR1烟气出口温度（）过热器分隔屏113611271122106390111091131过热器后屏10101008100796680010001005再热器前屏921911903852701898918后水冷壁吊挂管910900891841689887907末级再热器837827820776646817835水冷壁对流管束819810801758627800817末级过热器742733726692593725740过热器对流管束733725718684
10、584717732立式低温过热器688681674645550676687转向室吊挂管681673667638541668680转向室666659652623522654665水平低温过热器461458455444374458461省煤器3633593553382773273632工质出口温度（）墙式辐射再热器395392390377415394394过热器分隔屏450448449454436451450共 11 页第 9页名 称设计煤种MCRTRLTHA75%THA40%THA(滑压)高 加全 切校核煤MCR过热器后屏510508512529532521510过热器二级减温器51050550
11、5503520501508再热器前屏488487487486507489487末级再热器543543543543543543543末级过热器543543543543543543543过热器一级减温器412409408403365408410立式低温过热器412413415432416433413水平低温过热器401402403416396417402省煤器2892872852782422412893、烟气平均速度(m/s)过热器后屏7.97.57.25.72.67.37.9再热器前屏8.58.17.76.22.77.88.6末级再热器11.010.510.08.03.610.111.1末级过热
12、器11.310.710.28.23.710.411.4过热器排管11.010.59.98.03.710.111.1立式低温过热器10.410.09.57.73.59.710.4水平低温过热器10.510.19.67.83.69.810.5省煤器8.98.68.26.73.18.39.0共 11 页第 10页六、回 转 式 空 气 预 热 器名 称单位设计煤种MCRTRLTHA75%THA40%THA(滑压)高 加全 切校核煤MCR型式三分仓回转式空预器型号28-VI(T)-1983-SMR二次风机温升C3333333预热器二次风进口温度C2323232342.22323一次风机温升C66666
13、66预热器一次风进口温度C26262626262626出口一次风温度C307.2305.6304.4292.2250.6276.7300.6出口二次风温度C326.1323.9321.1306.1257.2294.4324.4排烟温度(修正前)C132.8131.7130.6118.9102.8119.4127.8排烟温度(修正后)C128.3126.7125.6113.395115123.3进口一次风量t/h257.154251.716245.959207.122171.894270.29323.332共 11 页第 11页名 称单位设计煤种MCRTRLTHA75%THA40%THA(滑压)
14、高 加全 切校核煤MCR进口二次风量t/h915.361870.989825.174720.767344.133847.983909.499进口烟气量t/h1367.9931312.5851255.5051048.914539.8141283.9891381.708出口一次风量t/h195.465190.027184.724146.34112.472209.054260.736旁通风量t/h60.5162.50664.41141.2777.00441.8227.838出口二次风量t/h909.011864.639818.824714.417338.69841.633903.602出口烟气量t/h1436.0331380.6251323.0911116.046604.6781351.5751450.201空气到烟气总漏风量t/h68.0468.0467.58667.13264.86467.58668.493一次风到二次风侧的漏风量t/h8.1658.1658.1657.7117.2587.7118.618二次风到烟气侧的漏风量t/h14.51514.51514.51514.06212.70114.06214.515一次风到烟气侧的漏风量t/h53.52453.52453.07153.07152.16453.52453.978
