风机风量Q(M3/h)风机风压P(Pa)电机功率(KW)轴功率(KW)内功率(KW)转速n(r/min)叶轮直径D(m)0叶轮园周速度u(m/s)电机安全系数效率(有效功率/轴功率)机械传动效率空气密度ρ(Kg/m3)1000000439320971748####7302.4921.20.8550.981.2936000570027222268####7303.71411.20.80.981.275000450016213513214501.2911.20.850.981.2115000450028523823314501.71291.20.740.980.72315000390028232314501.3991.20.850.981.2说明:大气压力101325Pa空气密度1.2KG/M3说明:黄色需填写\红色需根据情况进行调整\白色为生成值全压系数ψt流量系数ψ比转速nt1流量Dg压力Dg0.8711.60811381.792.400.4750.63331252.393.700.9040.2429751.131.200.4510.1856811.422.190.6680.0414351.191.30说明:大气压力101325Pa空气密度1.2KG/M3说明:黄色需填写\红色需根据情况进行调整\白色为生成值选取风量Q(M3/h)风机风量Q(M3/h)除尘器风量Q(M3/h)抽尘风量合(M3/h)系统漏风率除尘器漏风率风机风压P(Pa)除尘器风阻P(Pa)管网风阻P(Pa)9327239607049144347720000.150.035676180028001353171393771326641150000.120.034191165018001447311490731418931230000.120.03435618001800236812439123216201250.120.03402615001800系统除尘器风量\风机风量\风压\电机功率计算说明:黄色需填写\红色需根据情况进行调整\白色为生成值管网阻力余量风机全压系数电动机功率(KW)容量安全系数通风机效率机械传动效率0.200.1025061.200.740.980.200.102681.200.740.980.200.102981.200.740.980.200.10481.200.750.90系统除尘器风量\风机风量\风压\电机功率计算说明:黄色需填写\红色需根据情况进行调整\白色为生成值处理风量Q(M3/h)滤袋规格Φ(m)滤袋长度L(M)初设风速M/min初定面积㎡初定袋数初定室数选取室数实际袋数实际面积㎡实际风速M/min9150000.138.01.0015250467038.92364320141071.0811080000.136.00.50360014707.668153637620.478花板孔数脉冲阀数89101112131415161786472808896104112120128136972819099108117126135144153108090100110120130140150160170118899110121132143154165176187129610812013214415616818019220413104117130143156169182195208221141121261401541681821962102242381512013515016518019521022524025516128144160176192208224240256272每脉冲阀多少袋数说明:黄色需填/兰色根据红色调节/绿色根据下表选取(尽量选双数)/初定风速也可进行适当调(注意:Φ130布袋每脉冲阀最多20条布袋,Φ160布袋每脉冲阀最多16条布袋;即每脉冲阀最多喷吹50M2)低压长袋除尘器选型计算脉冲阀数每阀袋数花板孔数上箱宽度上箱长度灰斗高度中箱高度1012120192028402459810012161922280356030836100181920144152160162171180180190200198209220216228240234247260252266280270285300288304320每脉冲阀多少袋数说明:黄色需填/兰色根据红色调节/绿色根据下表选取(尽量选双数)/初定风速也可进行适当调(注意:Φ130布袋每脉冲阀最多20条布袋,Φ160布袋每脉冲阀最多16条布袋;即每脉冲阀最多喷吹50M2)低压长袋除尘器选型计算上栏高度\长度\宽度等为最小值风量Q(M3/h)尘含量(g/M3)出灰量(T/h)灰体积(M3/h)比重(T/M3)140000101.40.72580001005.82.92尘气中尘含量一般为3至5(g/M3)序号产尘点位置数量单点抽风量(m3/h)总风量(m3/h)单管计算风量系数初设风速计算管径选取管径1一层平面2东主矿皮带受料720001400060003.14170.350.253东主矿皮带机头11150001150001150003.14181.501.5沙钢3#高炉槽下除尘点风量表及管径计算实际风速壁厚34.5518.085沙钢3#高炉槽下除尘点风量表及管径计算编号抽风点备注风量(m3/h)Pi初定风速(m/s)计算管内径(m)实际管内径(m)实际风速(m/s)1通风槽1625X950430003.14180.9190.918.782通风槽2625X950430003.14180.9190.918.783通风槽3625X950430003.14180.9190.918.7841,2汇合860003.14181.3001.318.0053,4汇合1290003.14181.5921.617.821焦二机头40003.14180.2800.2818.042焦一机尾50003.14180.3130.3217.2731,2汇合90003.14180.4210.4218.044矿1机头50003.14180.3130.3217.275焦1机头50003.14180.3130.3217.2764,5汇合100003.14180.4430.4517.4773,6汇合190003.14180.6110.618.678球1机头50003.14180.3130.3217.27承钢2500M3高炉矿焦槽除尘系统管径计算表(一)6700㎡新布袋除尘系统一、槽上通风槽二、运焦转运站及DZ转运站顶层管壁厚度888101055555565一、槽上通风槽二、运焦转运站及DZ转运站顶层边长A(M)边长B(M)风量(M3/H)风速(M/S)0.6250.652500017.094020.412500017.36111