管殼式換熱器設(shè)計計算

管殼式換熱器設(shè)計計算軟件,,,,,,,

,參數(shù)名稱,符號,數(shù)據(jù),單位,參數(shù)名稱,數(shù)據(jù),單位

,一、操作/介質(zhì)參數(shù),,管程,,,殼程,

,低溫介質(zhì),,液體,,高溫介質(zhì),液體,

,進口溫度,,32.00,℃,進口溫度,80.00,℃

,出口溫度,,38.00,℃,出口溫度,39.00,℃

,流量,,64939.00,Kg/hr,流量,39000.00,Kg/hr

,平均溫度,,35.00,℃,,59.50,℃

,比熱,,4.18,KJ/kg.C,比熱,4.18,KJ/kg.C

,熱量,,6944.06,kw,熱量,4935.88,kw

,流體主體粘度,,0.80,cP,,0.90,cP

,密度,,1030.00,kg/m3,,1000.00,kg/m3

,熱導(dǎo)率K,,0.50,W/(m)(K),,0.50,W/(m)(K)

,近壁面粘度,,0.80,cP,,0.90,cP

,,,,,,,,

,二、傳熱參數(shù)計算,,,,,,

,總傳熱功率,,5939.97,kw,,,

,實際總傳熱系數(shù),,1541.24,W/(m)(K),污垢損失傳熱,1158.38,W/(m)(K)

,計算總傳熱系數(shù)(無污垢),,382.86,W/(m)(K),,,

,對數(shù)平均溫差(LMTD),,16.70,℃,,,

,,,,,,,,

,三、對數(shù)平均溫差計算,,,,,16.70,℃

,對數(shù)平均溫差(LMTD),12.21,9.84,℃,預(yù)定,9.84,℃

,換熱器型式,,2管程1殼程,,修正后對數(shù)平均溫差,16.70,℃

,P,,49.00,,M,41.44,

,,,,,,,,

,四、總傳熱系數(shù)計算,,,,,382.86,W/(m2)/K

,1/U,,0.00,,,,

,,,,,,,,

,五、列管換熱器結(jié)構(gòu)參數(shù),,,,,,

,參數(shù)名稱,符號,數(shù)據(jù),單位,工況選擇,,

,外殼直徑,Ds,0.50,m,流向形式,,2.00

,列管數(shù),nt,500.00,根,,,

,列管外徑,Do,0.03,m,換熱器型式,,2.00

,列管內(nèi)徑,Di,0.02,m,,,

,列管長度,L,5.88,m,高溫流體走管內(nèi),Y,

,管間距,s,0.03,m,,,

,列管排列方式,,1.00,,交錯排列,并流,

,擋板間距,B,0.28,m,直線排列,逆流,

,列管材質(zhì)及導(dǎo)熱系數(shù),kt,17.00,W/(m)(K),,單管程單殼程,

,計算換熱面積,,929.07,m2,,雙管程單殼程,

,設(shè)計換熱面積,,230.79,m2,換熱裕度%,698.28,

,,,,,,,,

,六、校核計算,,,,,,

,,,管程,,,殼程,

,流通面積,,0.17,m2,流通面積,0.03,m2

,質(zhì)量流量,,103.98,kg/s/(m2),質(zhì)量流量,353.74,kg/s/(m2)

,雷諾數(shù),,2599.45,/,雷諾數(shù),9826.15,/

,"hi/(Cp.G)(Re>8,000)",,0.00,/,Re>200Khi/(Cp.G),0.00,/

,"hi/(Cp.G)(Re<2,100)",,0.00,/,Re=300~200Khi/(Cp.G),0.00,/

,"hi/(Cp.G)Re=2,100-8,000",,0.00,/,Re<300hi/(Cp.G),0.00,/

,預(yù)定雷諾數(shù),,382.85,W/(m2)/K,預(yù)定雷諾數(shù),3668.40,W/(m2)/K

,,,,,校正因子F1,0.73,/

,管壁傳熱系數(shù),,,,校正因子Fr,1.00,/

,管壁傳熱系數(shù),,6800.00,W/(m2)/K,修正hi,2664.39,W/(m2)/K

,,,,,,m,a

,,,,,,0.30,0.17

,,,,,,0.37,0.27

,,,,,,0.64,1.3