1、1CAL.OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE :1.ABBREVIATIONUNITTa:Temperature of oil at inilial heating Tf :Temperature of oil at final heatingT1:Temperature of steam inlet T2:Temperature of condensate outlet Ti :Ambient temperature of cargo oil tankTs:Average temperature of steamTsf:A
2、rithmetic average value between vapour temp.and cargo temp.Ks:Heat transfer coefficient of heating coil kcal/m2 hrKi :Heat transfer coefficient of bulkheadkcal/m2 hrAs:Surface area of heating coil m2A :Surface area of bulkheadm2v :Volume of cargo oil tahkm3 :Specific gravity of oil kg/m3S :Specific
3、heat of cargo oil kcal/kgH :Enthalpy of steamkcal/kgh :Enthalpy of condensated waterkcal/kgt :Heating time hP :Steam pressurebarGk:Steam consumption to keeping cargo oil temperaturekg/hGm:Steam consumption to heat up cargo oil temperaturekg/hH.R.:Heating ratiom2/m3L :Length of heating coilm 2.STEAM
4、CONDITION INLET PRESSURE:7 BAR(GAUGE PRESSURE)OUTLET PRESSURE:2 BAR(GAUGE PRESSURE)PRESS(P)TEMP(T)WATER.E(h)STEAM.E(H)INLET(1)7.00169.780171.526660.850OUTLET(2)2.00133.250133.796650.680 3.HEATING CONDITION 1)Tank condition OILOIL TEMPERATURE HEAT UPTIMESPECIFICGRAVITYSPECIFICHEATINITIAL FINAL TANKTa
5、TftSCARGO 4466969800.45SLOP(P)446624997.20.695SLOP(S)4466969800.45 2)TEMPERATURE AT EACH CONDITIONTEMPERATURE()(Ti)Open AirCargo OilSea waterEmpty tankSlop TankH.F.O24451044302 3)HEAT TRANSFER COEFFICIENTCONTACT TOOpen AirEmptytank(inair)Cargo OilH.F.OSea WaterFactor(Ki)645515 4)Material of heating
6、coil in cargo oil tanks (m)Material O.D.(D)I.D.(d)THICKNESSAL-BRASS0.04450.04050.002 5)Material of heating coil in slop tanks (m)Material O.D.(D)I.D.(d)THICKNESSAL-BRASS0.04450.04050.002 6)HEAT TRANSFER MEDIUM OF CONTACT SURFACE OF CARGO/SLOP TANKSContiguity cargo tank :Cargo oilContiguity ballast t
7、ank&F.P.T :Empty tankContiguity slop tank(P):Sea waterContiguity slop tank(S):Slop oilContiguity H.F.O tank :H.F.OCAL.OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE :3CALCULATION OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE:CALCULATION OF NO.1(P&S)C.O.TANK 1.Tank conditionTank Volume(9
8、8%V)10822.1m3Temp.initial(Ta)44Specific Gravity()980kg/m3Temp.final(Tf)66Specific Heat(S)0.45Kcal/kgHeating Time(t)96h 2.Steam Pressure of Heating Coil Inlet&Outlet(Gauge Pressure)PRESS(P)TEMP(T)WATER.E(h)STEAM.E(H)INLET(1)7.00169.780171.526660.850OUTLET(2)2.00133.250133.796650.680 3.Ambient Tempera
9、ture()Ambient Temp.()(Ti)Open AirCargo OilSea waterEmpty tankSlop Tank24451044Oil Temp.()From(Ta)To(Tf）4466Slop oil Temp()4466 4.Summary Of Tank ConditionUPPERBOTTOMFWDAFTCENTERSIDECONTACT TOOpen AirEmpty tank Empty tank Cargo OilCargo OilEmpty tankFactor(Ki)644554AmbientTemp.(Ti)21010444410Area(A)3
10、96.37396.39166.79340.10572.18583.80Ki*A2378.221585.56667.161700.502860.902335.20ki*A*(Tf-Ti)152206.0888791.3637360.9637411.0062939.80130771.20 1)=(Ki*A)=11527.54 Kcal/h2)=Ki*A*(Tf-Ti)=509480.4 Kcal/h 5.Material of Heating Coil Piping Material :AL-BRASS Heating Pipe O.D.(D):0.0445（M）Heating Pipe I.D.
11、(d):0.0405（M）6.Result of Calculation 1)Steam Qty for keeping the Temp.in tank which are radiated to atmosphere(kg/h):Gk=966.66 kg/h 2)Total steam Qty for heating up&keeping(kg/h):Gm=2810.49 kg/h 3)Average Temp.of steam(Ts):Ts=(T1+T2)/2=151.52 4)Arithmetic average value between vapour temp.and cargo
12、temp.(Tsf):Tsf=(Ts+Ta)/2=97.76 h2H1Ti)-Tf(AKiSumGkGk1)SVt)AKi(Sum(EXP1h2-H1Ta)-(TfA)Sum(KiGm4 5)Heat transfer coefficient(Ks):In case,Tsf 83.06;Ks=6.2 x Tsf-415Tsf 83.06;Ks=100Ks=191.10 kcal/m2 hr 6)Surface area of heating coil(As):As=90.64 M2 7)Heating ratio(H.R.):H.R.=As/v=0.00838 M2/M3 8)Calculat
13、ion length of heating coil in this tank(L):L=As/(x D)=648.38 M)TfTs(Ks)h2H1(GmAsCALCULATION OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE:5CALCULATION OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE:CALCULATION OF NO.2(P&S)C.O.TANK 1.Tank conditionTank Volume(98%V)14617m3Temp.initial(Ta)
14、44Specific Gravity()980kg/m3Temp.final(Tf)66Specific Heat(S)0.45Kcal/kgHeating Time(t)96h 2.Steam Pressure of Heating Coil Inlet&Outlet(Gauge Pressure)PRESS(P)TEMP(T)WATER.E(h)STEAM.E(H)INLET(1)7.00169.780171.526660.850OUTLET(2)2.00133.250133.796650.680 3.Ambient Temperature()Ambient Temp.()(Ti)Open
15、 AirCargo OilSea waterEmpty tankSlop Tank24451044Oil Temp.()From(Ta)To(Tf）4466Slop oil Temp()4466 4.Summary Of Tank ConditionUPPERBOTTOMFWDAFTCENTERSIDECONTACT TOOpen AirEmpty tankCargo OilCargo OilCargo OilEmpty tankFactor(Ki)645554AmbientTemp.(Ti)21044444410Area(A)533.23477.87340.10355.10572.18580
16、.42Ki*A3199.381911.481700.501775.502860.902321.68ki*A*(Tf-Ti)204760.32107042.8837411.0039061.0062939.80130014.08 1)=(Ki*A)=13769.44 Kcal/h2)=Ki*A*(Tf-Ti)=581229.08 Kcal/h 5.Material of Heating Coil Piping Material :AL-BRASSHeating Pipe O.D.(D):0.0445（M）Heating Pipe I.D.(d):0.0405（M）6.Result of Calcu
17、lation 1)Steam Qty for keeping the Temp.in tank which are radiated to atmosphere(kg/h):Gk=1102.79 kg/h 2)Total steam Qty for heating up&keeping(kg/h):Gm=3628.03 kg/h 3)Average Temp.of steam(Ts):Ts=(T1+T2)/2=151.52 4)Arithmetic average value between vapour temp.and cargo temp.(Tsf):Tsf=(Ts+Ta)/2=97.7
18、6 h2H1Ti)-Tf(ASumKiGkGk1)SVt)AKi(Sum(EXP1h2-H1Ta)-(TfA)Sum(KiGm6 5)Heat transfer coefficient(Ks):In case,Tsf 83.06;Ks=6.2 x Tsf-415Tsf 83.06;Ks=100Ks=191.10 kcal/m2 hr 6)Surface area of heating coil(As):As=117.01 M2 7)Heating ratio(H.R.):H.R.=As/v=0.00801 M2/M3 8)Calculation length of heating coil i
19、n this tank(L):L=As/(x D)=836.99 M)TfTs(Ks)h2H1(GmAsCALCULATION OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE:7CALCULATION OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE:7CALCULATION OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE:CALCULATION OF NO.3,4,5(P&S)C.O.TANK 1.Tank conditi
20、onTank Volume(98%V)14762.4m3Temp.initial(Ta)44Specific Gravity()980kg/m3Temp.final(Tf)66Specific Heat(S)0.45Kcal/kgHeating Time(t)96h 2.Steam Pressure of Heating Coil Inlet&Outlet(Gauge Pressure)PRESS(P)TEMP(T)WATER.E(h)STEAM.E(H)INLET(1)7.00169.780171.526660.850OUTLET(2)2.00133.250133.796650.680 3.
21、Ambient Temperature()Ambient Temp.()(Ti)Open AirCargo OilSea waterEmpty tankSlop Tank24451044Oil Temp.()From(Ta)To(Tf）4466Slop oil Temp()4466 4.Summary Of Tank ConditionUPPERBOTTOMFWDAFTCENTERSIDECONTACT TOOpen AirEmpty tankCargo OilCargo OilCargo OilEmpty tankFactor(Ki)645554AmbientTemp.(Ti)2104444
22、4410Area(A)533.23477.87340.10355.10572.18580.42Ki*A3199.381911.481700.501775.502860.902321.68ki*A*(Tf-Ti)204760.32107042.8837411.0039061.0062939.80130014.08 1)=(Ki*A)=13769.44 Kcal/h2)=Ki*A*(Tf-Ti)=581229.08 Kcal/h 5.Material of Heating Coil Piping Material :AL-BRASSHeating Pipe O.D.(D):0.0445（M）Hea
23、ting Pipe I.D.(d):0.0405（M）6.Result of Calculation 1)Steam Qty for keeping the Temp.in tank which are radiated to atmosphere(kg/h):Gk=1102.79 kg/h 2)Total steam Qty for heating up&keeping(kg/h):Gm=3655.82 kg/h 3)Average Temp.of steam(Ts):Ts=(T1+T2)/2=151.52 4)Arithmetic average value between vapour
24、temp.and cargo temp.(Tsf):Tsf=(Ts+Ta)/2=97.76 h2H1Ti)-Tf(ASumKiGkGk1)SVt)AKi(Sum(EXP1h2-H1Ta)-(TfA)Sum(KiGm8 5)Heat transfer coefficient(Ks):In case,Tsf 83.06;Ks=6.2 x Tsf-415Tsf 83.06;Ks=100Ks=191.10 kcal/m2 hr 6)Surface area of heating coil(As):As=117.91 M2 7)Heating ratio(H.R.):H.R.=As/v=0.00799
25、M2/M3 8)Calculation length of heating coil in this tank(L):L=As/(x D)=843.40 M)TfTs(Ks)h2H1(GmAsCALCULATION OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE:9CALCULATION OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE:9CALCULATION OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE:CALCULA
26、TION OF NO.6(P&S)C.O.TANK 1.Tank conditionTank Volume(98%V)13963.2m3Temp.initial(Ta)44Specific Gravity()980kg/m3Temp.final(Tf)66Specific Heat(S)0.45Kcal/kgHeating Time(t)96h 2.Steam Pressure of Heating Coil Inlet&Outlet(Gauge Pressure)PRESS(P)TEMP(T)WATER.E(h)STEAM.E(H)INLET(1)7.00169.780171.526660.
27、850OUTLET(2)2.00133.250133.796650.680 3.Ambient Temperature()Ambient Temp.()(Ti)Open AirCargo OilSea waterEmpty tankSlop Tank24451044Oil Temp.()From(Ta)To(Tf）4466Slop oil Temp()4466 4.Summary Of Tank ConditionUPPERBOTTOMFWDAFTCENTERSIDECONTACT TOOpen AirEmpty tankCargo OilSlopCargo OilEmpty tankFact
28、or(Ki)645554AmbientTemp.(Ti)21044444410Area(A)534.69375.44355.10315.64572.18612.40Ki*A3208.141501.761775.501578.202860.902449.60ki*A*(Tf-Ti)205320.9684098.5639061.0034720.4062939.80137177.60 1)=(Ki*A)=13374.1 Kcal/h2)=Ki*A*(Tf-Ti)=563318.32 Kcal/h 5.Material of Heating Coil Piping Material :AL-BRASS
29、Heating Pipe O.D.(D):0.0445（M）Heating Pipe I.D.(d):0.0405（M）6.Result of Calculation 1)Steam Qty for keeping the Temp.in tank which are radiated to atmosphere(kg/h):Gk=1068.81 kg/h 2)Total steam Qty for heating up&keeping(kg/h):Gm=3476.81 kg/h 3)Average Temp.of steam(Ts):Ts=(T1+T2)/2=151.52 4)Arithme
30、tic average value between vapour temp.and cargo temp.(Tsf):Tsf=(Ts+Ta)/2=97.76 h2H1Ti)-Tf(ASumKiGkGk1)SVt)AKi(Sum(EXP1h2-H1Ta)-(TfA)Sum(KiGm10 5)Heat transfer coefficient(Ks):In case,Tsf 83.06;Ks=6.2 x Tsf-415Tsf 83.06;Ks=100Ks=191.10 kcal/m2 hr 6)Surface area of heating coil(As):As=112.14 M2 7)Heat
31、ing ratio(H.R.):H.R.=As/v=0.00803 M2/M3 8)Calculation length of heating coil in this tank(L):L=As/(x D)=802.11 M)TfTs(Ks)h2H1(GmAsCALCULATION OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE:11CALCULATION OF CARGO/SLOP TANK HEATING COIL油舱加热盘管计算书TATOL:15PAGE:11CALCULATION OF CARGO/SLOP TANK HEATI
32、NG COIL油舱加热盘管计算书TATOL:15PAGE:CALCULATION OF SLOP TANK(P)1.Tank conditionTank Volume(50%V)871.7m3Temp.initial(Ta)44Specific Gravity()997.2kg/m3Temp.final(Tf)66Specific Heat(S)0.695Kcal/kgHeating Time(t)24h 2.Steam Pressure of Heating Coil Inlet&Outlet(Gauge Pressure)PRESS(P)TEMP(T)WATER.E(h)STEAM.E(H
33、)INLET(1)7.00169.780171.526660.850OUTLET(2)2.00133.250133.796650.680 3.Ambient Temperature()Ambient Temp.()(Ti)Open AirCargo OilSea waterEmpty tankSlop Tank24451044Oil Temp.()From(Ta)To(Tf）H.F.O446630Slop oil Temp()4466-4.Summary Of Tank ConditionUPPERBOTTOMFWDAFTCENTERSIDEAFTCONTACT TOOpen AirIn AirCargo OilH.F.OSlop OilIn AirP/RFactor(Ki)6455544AmbientTemp.(Ti)2104430441015Area(A)137.4061.21315.
