海门市大生冷却设备有限公司计算依据：GB/T50392-2006机械通风冷却塔工艺设计规范计算程序：EXCEL冷却塔型号：OT-Ⅱ(RC)-2100数据输入：汪益中设计参数大气压P100.4Kpa干球温度θ33℃湿球温度τ29℃处理水量Q2100m3/h进水温度t139℃出水温度t232℃风机直径D7m风机数量1台轮毂直径d1.3m填料高度1.5m淋水面积F144m2进风口高度4.5m热力计算302.16K饱和水蒸汽压的计算公式：lgP"=2.0057173-3142.305/T+3142.305/373.16-0.0024804*373.16+0.0024804*T+8.2lg(373.16/T)0.60253湿球时饱和水蒸汽压P"τ =Kpa306.16K0.70149干球时饱和水蒸汽压P"θ =Kpa空气相对湿度φ =[P"τ -0.000662P（θ -τ ）]/P"θ =0.743373进塔干空气密度ρ 1=（P-φ P"θ ）*103/[287.14（273+θ ）]=kg/m3选用气水比λ0.650.70.750.80.85风量G12407781336223143166715271111622556 m3/h进塔湿空气比焓：h1=1.005θ +0.622（2500.8+1.846θ ）*φ *P"θ /（P-φ *P"θ ）=94.79蒸发带走热量系数：K=1-t2/[586-0.56(t2-20)]=0.944759不同气水比出塔湿空气比焓：h2=h1+4.1868(t1-t2)/(Kλ )=142.5157139.107 136.1524133.567 131.2863 KJ/kg(DA)进水绝对温度：T（t1)=273.16+t1=312.16 K0.84453进水时饱和水蒸汽压P"t1=6.99083 Kpa出塔饱和空气比焓：h"2=158.961 KJ/kg(DA)温差分段数：n=8温差等分值:δ t=0.875℃δ h=(h2-h1)/n=5.9656245.53951 5.1702074.84707 4.561948t1-δ t=38.125℃t1-2δ t=37.25℃t1-3δ t=36.375℃t1-4δ t=35.5℃t1-5δ t=34.625℃t1-6δ t=33.75℃逆流冷却塔热力阻力计算书1.100116165湿球绝对温度：Tτ =273.16+τ =湿球温度时的饱和水蒸汽压对数：lgP"τ =4.004328366干球绝对温度：Tθ =273.06+θ =进水温度时的饱和水蒸汽压对数：lgP"t1=干球温度时的饱和水蒸汽压对数：lgP"θ =5.029061652地址：江苏海门市三厂工业园区电话：0513-82601587 82659238传真：0513-82748530海门市大生冷却设备有限公司t1-7δ t=32.875℃T1=273.16+t1-δ t=311.285 ℃T2=273.16+t1-2δ t=310.41℃T3=273.16+t1-3δ t=309.535 ℃T4=273.16+t1-4δ t=308.66℃T5=273.16+t1-5δ t=307.785 ℃T6=273.16+t1-6δ t=306.91℃T7=273.16+t1-7δ t=306.035 ℃T(t2)=273.16+t2=305.16℃0.824196.67098 Kpa152.141 KJ/kg(DA)0.803596.36192 Kpa145.563 KJ/kg(DA)0.782856.06533 Kpa139.254 KJ/kg(DA)0.761995.78079 ...
