热电厂发电标煤耗、供热标煤耗等经济运行程序-01

序号名称符号单位计算公式及来源计算结果1锅炉额定容量Dt/h.台已知752额定压力PMPa已知5.293额定温度t℃已知4504热焓值I0KJ/kg查过热汽焓值表3317.15采暖季1.27MPa供汽量G1at/h给定606采暖季0.294MPa供汽量G2at/h给定407采暖季自用汽量gat/hga=(G1a+G2b)*0.1(1.27MPa蒸汽)108非采暖季1.27MPa供汽量G1bt/h给定409非采暖季0.294MPa供汽量G2bt/h给定010非采暖季自用汽量gbt/hgb=(G1a+G2b)*0.1(1.27MPa蒸汽)411CC12双抽机功率Ne1KW已知1200012额定进汽量Ge01t/h汽机厂工况图103.213额定进汽压力P01MPa已知4.914额定进汽温度t01℃已知43515额定进汽热焓值I01KJ/kg查过热汽焓值表3282.516一抽额定汽量Ge1t/h额定值3517一抽压力P1MPa已知1.2718一抽温度t1℃已知29819一抽热焓I1KJ/kg查过热汽焓值表3040.520二抽额定汽量Ge2t/h额定值4021二抽压力P2MPa已知0.29422二抽温度t2℃已知17323二抽热焓I2KJ/kg查过热汽焓值表2809.324B12机功率Ne2MW已知1225额定进汽量Ge02t/h汽机厂工况图18026额定排气量Ge3t/h汽机厂工况图17426汽机汽耗dkg/kwhd=Ge02/Ne215采暖季计算1运行CC12,调整B122CC12一抽汽量G1t/h给定503CC12二抽汽量G2t/h给定404CC12发电量N1KW给定120005CC12进汽量G01t/h汽机厂工况图103.26B12供汽量G3t/hG3=G1a-G1+ga207B12进汽量G02t/hG02=1.05*G3218B12发电量N2KWN2=G02/d*100014009锅炉蒸发量G0t/hG0=(G01+G02)*1.05130.4110热电厂综合厂用电率ξ/给定0.1711热电厂厂用电量nKWn=(N1+N2)*ξ227812采暖季利用时间hhr给定324013采暖季有效热能产出QGJQ=(G1*I1+G2*I2+G3*I1-ga*I1)*h*1000*10^-6955158.4814采暖季有效电能产出EGJE=(N1+N2-n)*h*3600*10^-612972715采暖季热电比RD%RD=Q/E*100736.3热电厂运行计算表格(采暖季）16燃料应用基低位发热值qKJ/kg给定2135317吨煤产汽量Ct汽/t煤给定6.518燃料消耗量Tt/hT=G0/C20.0619总效率η％η=(Q+E)/(T*1000*q*h)*100*10^678.1620集中供热锅炉房厂用电量εrkw.h/GJ给定5.7321采暖季发电量PKw.hP=(N1+N2-n)*h3603528022热电厂供热厂用电率ξr/ξr=εr*Q/P0.1523热电厂发电厂用电率ξd/ξd=ξ-ξr0.0224汽水损失率ξ1/给定0.0525锅炉给水焓IgsKJ/kg给定435.426锅炉效率ηgl/给定0.8527管道效率ηgd/给定0.9828发电标准煤耗率bdkg/kw.hbd=[(G01+G02)*h*10^3*(1+ξ1)*(I01-Igs)-Q*10^6]/(29308*P*ηgl*ηgd)0.281729供电标准煤耗率bgkg/kw.hbg=bd*(1-ξr)/(1-ξ)0.287830供热标准煤耗率brkg/GJbr=34.12/(ηgl*ηgd)+εr*bd42.57531供热成本分摊比βr/βr=br*Q/[br*Q+bg*(1-ξ)*P]0.82532供电成本分摊比βd/βd=1-βr0.17533吨标煤价格mj元/吨标煤mj=418*29308/q573.7234供电成本(仅煤）Yd元/kwhYd＝bg*mj/10000.16535供热成本（仅煤）Yr元/吨汽Yr=2.51*br*mj/100061.31除氧器计算序号名称单位结果备注额定1除氧器运行出力t/h115273.3672682除氧器运行压力(kg/cm2)(绝压)1.23除氧器运行温度℃103.774除氧蒸汽压力(kg/cm2)(绝压)35除氧蒸汽温度℃饱和6二次蒸汽压力(kg/cm2)(绝压)1.27二次蒸汽温度℃饱和8二次蒸汽量t/h0.59进除氧器疏水温度℃10010疏水量t/h2411补充水温度℃2012排气损耗率%2排气设冷却器5-10.排气不设冷却器1-213补充水量t/h75.7014除氧耗汽量t/h12.1015排气损耗t/h0.2475.70除氧耗12.10补充排气0.24疏水24二次蒸0.5除氧器运115