热平衡计算(excel)

1、热平衡计算 Heat balanee calculation 100% rated power符号Sign备注 Remarks数据Date单位un it汽轮机进汽量Steam of turbi nein letD汽轮机厂家提供 D t=Db/0.99/0.9650t/h锅炉出口新蒸汽量Steam ofboiler outletDb见热平衡图Refer toHeat bala nee draw ing52.60943t/h锅炉出口蒸汽焓值 Steam enthalpy of boiler outlethb查表得check book3213kJ锅炉排污率 Blowdow n of boiler r

2、aten pw锅炉厂资料 Boiler factory date2%锅炉排污量Blowdow n of boilerDblDbl= n pw*Db1.052189t/h锅炉排污焓值Blowdow n of boileren thalpyhbl查表得check book116CkJ锅炉给水焓值Boilerfeed ing water en thalpyhfw查表得check book589kJ锅炉效率Boiler efficie ncyn b锅炉厂资料Boiler date8C%发电机功率Gen erator powerP汽机厂资料 Turbine factory date9017kW热耗量 G

3、ross heat con sumptio nQQ=1000* Db*(h b-h fw)+Dbl *(h bl -hfw) / n b/4.186841394364kcal煤的低位发热值见业主资料3391kcal/kg锅炉耗煤量12207.13kg/h电站热耗率(计算值)Gross heat con sumpti on rate(calculati on)qq=Q/P4590.702kcal/Kw h厂用电率 Electric con sumpti on rate of power pla ntf电气提供数据 Electric speciality date13%电站净热耗率(计算值)Net

4、 heat con sumpti on rate(calculati on)qnetqnet =Q/(P*f)5276.669kcal/Kw h保证系数 guara nteed ratea1.考虑到电站启动、停机时的热量损失。2.当地属 于热带地区，排汽温度不能长期稳定在 40C，真空 度不好维持在0.074bar。所以我的保证值，在计算 值的基础上乘以了一个保证系数1.0551.055电站热耗率(保证值)Gross heat con sumptio n rate(guara nteed)qbqb=Q/P*a4843.191kcal/Kw h电站净热耗率(保证值)Net heat con sumptio n rate(guara nteed)qnet.bqnet.b =Q/(P*f)*a5566.886kcal/Kw h汽轮机排汽量D）见汽轮机厂家图纸37.366t/h汽轮机排汽焓值hp见汽轮机厂家图纸2382.88Kj排汽温度t p见汽轮机厂家图纸45.38C循环水进水温度tj见业主要求33C循环水出水温度t c见业主要求（一般比排汽