加热器为饱和蒸汽的换热设备的计算1bar1.5bar2bar2.6ba1物料的流量(千克)600006000040000430002物料的比热(千卡/千克*摄氏度)1.001.001.001.003物料的初温(摄氏度)101015704物料的终温(摄氏度)505095955所需加热时间(小时)11116已知换热设备面积(平方米)232138247蒸汽的温度(1.5bar时,127摄氏度)1201271331408蒸汽的潜热(夹套加热,1.5bar时,520千卡/小时)5255205165119蒸汽的全热(直接加热,1.5bar时,649千卡/小时)10换热设备的换热系数(夹套缸600-800;板片1500-2000)12001200120080011换热设备的效率(夹套缸80%;板片95%)95%95%95%95%12蒸汽的比容积(立方米/千克)0.8810.7140.6030.50913饱和蒸汽的速度(30-40米/秒)2525252514所需热量(千卡)2400000.002400000.003200000.001075000.0015物料的温升(摄氏度)40.0040.0080.0025.0016对数平均温差(摄氏度)88.5095.6170.6056.5817蒸汽耗量(千克/小时)391739055190173818换热设备应有的面积(平方米)22.6020.9237.7723.7519实际加热时间(小时)0.980.980.990.9820蒸汽管直径(毫米)22119921011221换热面积富余量0.020.020.010.0222冷凝水产生量=蒸汽耗量(千克/小时)391739055190173823板片数量(BR0.26)89821479324内管数量6666546625内管直径1212121226列管长度334327所需外列管数量3.383.135.133.540.0625kg标煤=1kg蒸汽=437.5大卡热量1kg标煤=16kg蒸汽=7000大卡热量1蒸汽的温度(1bar时,120摄氏度)2蒸汽的温度(1.5bar时,127摄氏度)3蒸汽的温度(2bar时,133摄氏度)4蒸汽的温度(2.6bar时,140摄氏度)5蒸汽的温度(3bar时,143摄氏度)6蒸汽的温度(3.6bar时,148摄氏度)7蒸汽的温度(4bar时,151摄氏度)8蒸汽的温度(4.5bar时,155摄氏度)9蒸汽的温度(5bar时,158摄氏度)10蒸汽的温度(5.5bar时,162摄氏度)11蒸汽的温度(6bar时,165摄氏度)12蒸汽的温度(6.5bar时,167摄氏度)13蒸汽的温度(7bar时,170摄氏度)141516蒸汽的比容积(1bar时,0.881立方米/千克)17蒸汽的比容积(1.5bar时,0.714立方米/千克)18蒸汽的比容积(2bar时,0.603立方米/千克)19蒸汽的比容积(2.6bar时,0.509立方米/千克)20蒸汽的比容积(3bar时,0.461立方米/千克)21蒸汽的比容积(3.6bar时,0.405立方米/千克)22蒸汽的比容积(4bar时,0.374立方米/千克)23蒸汽的比容积(4.5bar时,0.342立方米/千克)24蒸汽的比容积(5bar时,0.315立方米/千克)25蒸汽的比容积(5.5bar时,0.292立方米/千克)26蒸汽的比容积(6bar时,0.272立方米/千克)27蒸汽的比容积(6.5bar时,0.255立方米/千克)28蒸汽的比容积(7bar时,0.240立方米/千克)293031蒸汽的潜热(夹套加热,1bar时,525千卡/小时)32蒸汽的潜热(夹套加热,1.5bar时,520千卡/小时)33蒸汽的潜热(夹套加热,2bar时,516千卡/小时)34蒸汽的潜热(夹套加热,2.6bar时,511千卡/小时)35蒸汽的潜热(夹套加热,3bar时,509千卡/小时)36蒸汽的潜热(夹套加热,3.6bar时,505千卡/小时)37蒸汽的潜热(夹套加热,4bar时,503千卡/小时)38蒸汽的潜热(夹套加热,4.5bar时,500千卡/小时)39蒸汽的潜热(夹套加热,5bar时,497千卡/小时)40蒸汽的潜热(夹套加热,5.5bar时,495千卡/小时)41蒸汽的潜热(夹套加热,6bar时,493千卡/小时)42蒸汽的潜热(夹套加热,6.5bar时,490千卡/小时)43蒸汽的潜热(夹套加热,7bar时,488千卡/小时)3bar3.5bar4bar4.5bar5bar5.5bar6bar6.5bar7bar4000020000400001500015000150002000200020001.001.001.001.001.001.000.940.940.94602015.0100.0100.0100.06565658090.095.0140.0140.0140.095959511111111110143017151312121214314815115515816216516717050950550350047949549349048812001200120012001200120012001200120085%95%95%95%95%95%85%85%85%0.4610.4050.3740.3420.3150.2920.2720.2550.24252540252525303030800000.001400000.00##########600000.00600000.00600000.0056400.0056400.0056400.0020.0070.0080.0040.0040.0040.0030.0030.0030.0072.5488.4390.1630.7934.1938.6184.1186.1389.161444225751509649919611011011019.1913.1929.5816.2414.6312.950.560.550.530.950.960.980.970.970.960.050.050.04971141316866631817170.050.040.020.030.030.0420.4720.9921.76144422575150964991961101101101375311664585246464666666666115466666612121212121212121243.04.03.0343331.062.003.302.4513.261.801.751.751.75