Post on 15-Jan-2016
description
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CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULO
VÁLVULAS DE SEGURIDAD
A 10-dic-07 EMISIÓN PARA APROBACIÓN DFF/MIR APD APD
BUE-100000-R-XX-001 Rev.: A
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REV. FECHA DESCRIPCIÓN POR REVISÓ APROBÓ
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULOGAS RELIEF VALVE SIZING
Service Description Distribución de Aire de Instrumentos
REQUIRED AREA SIZE (API 520)Set Pressure Ps barg 9.80Overpressure % 10Upstream Relieving Pressure barg 10.78Back Pressure barg 0Required Relief Flow W kg/h 260Molecular Weight M 29Relieving Temperature @ Inlet T °C 40Compressibility Factor @ Inlet Z 1.00Specific Heats Ratio (Cp/Cv) k 1.42Percent of Gauge Back Pressure Pb/Ps % 0.0Coefficient C Fig. 32 358Capacity Correction Factor Kb Fig. 30 1.00Combination Correction Factor Kc 1Discharge Coefficient Kd 0.975Critical Flow Pressure Pcf barg 5.18Gas Flow Type CriticalBack to Upstream Pressure Ratio r 0.086Subcritical Flow coefficient Fig. 34 -Required Effective Discharge Area A in² 0.042
VALVE & ORIFICE SIZE (API 526)Valves Quantity 1Required Effective Discharge Area 0.042Minimum Orifice DOrifice Selected MinimumDischarge Area in² 0.110Rating / Required 2.595Valve Size 1x2Rating in/out 150 # 150Type of Valve Conventional
P1
Pb, P2
P2/P1
F2
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULOGAS RELIEF VALVE SIZING
Service Description
REQUIRED AREA SIZE (API 520) Gas 1 Gas 2Set Pressure Ps barg 5.17 5.17Overpressure % 10 10Upstream Relieving Pressure barg 5.69 5.69Back Pressure barg 0 0Required Relief Flow W kg/h 24260 2651Molecular Weight M 65 337Weighted Molecular Weight 71Relieving Temperature @ Inlet T °C 75 727 ¿Deben ser iguales?Compressibility Factor @ Inlet Z 0.84 0.85Specific Heats Ratio (Cp/Cv) k 1.09 1.05Percent of Gauge Back Pressure Pb/Ps % 0.0 0.0Coefficient C Fig. 32 326 321Capacity Correction Factor Kb Fig. 30 1.00 1.00Combination Correction Factor Kc 1 1Discharge Coefficient Kd 0.975 0.975Critical Flow Pressure Pcf barg 2.92 2.98Gas Flow Type Critical CriticalBack to Upstream Pressure Ratio r 0.151 0.151Subcritical Flow coefficient Fig. 34 - -Required Effective Discharge Area A in² 4.928 0.408
VALVE & ORIFICE SIZE (API 526)Valves Quantity 1Required Effective Discharge Area 5.336Minimum Orifice POrifice Selected MinimumDischarge Area in² 6.380Rating / Required 1.196Valve SizeRating in/out 150 # 150Type of Valve Conventional
P1
Pb, P2
P1/P2
F2
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULO GAS RELIEF VALVE SIZING
Service Description Pulmón de Aire MS2-V-591 (Fuego)
REQUIRED AREA SIZE (API 520)Set Pressure Ps barg 13.7Overpressure % 21Upstream Relieving Pressure barg 16.58Back Pressure barg 0Required Relief Flow W kg/h 3518Molecular Weight M 29Relieving Temperature @ Inlet T °C 204Compressibility Factor @ Inlet Z 1.00Specific Heats Ratio (Cp/Cv) k 1.38Percent of Gauge Back Pressure Pb/Ps % 0.0Coefficient C Fig. 32 354Capacity Correction Factor Kb Fig. 30 1.00 Combination Correction Factor Kc 1Discharge Coefficient Kd 0.975Critical Flow Pressure Pcf barg 8.34Gas Flow Type CriticalBack to Upstream Pressure Ratio r 0.058Subcritical Flow coefficient Fig. 34 -Required Effective Discharge Area A in² 0.479
VALVE & ORIFICE SIZE (API 526)Valves Quantity 1Required Effective Discharge Area 0.479Minimum Orifice GOrifice Selected MinimumDischarge Area in² 0.503Rating / Required 1.050Valve Size 1½x3Rating in/outType of Valve Conventional
P1
Pb, P2
P2/P1
F2
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULODRY SURFACE FIRE FLOW CALCULATION
Service Description Pulmón de Aire MS2-V-591 (Fuego)
DRY SURFACESSection Diameter L / H Surface
[mm] [mm] [m²]Shell 1 ### ### 34.21Shell 2 0 0 0.00Shell 3 0 0 0.00Head 1 ### - 2.52Head 2 ### - 2.52Head 3 0 - 0.00Head 4 0 - 0.00Total Dry Surface 39.25
REQUIRED RELIEF LOADNormal Operating Pressure Pn 9.80 bargNormal Operating Temperature Tn 20 ºCUpstream Relieving Pressure 16.58 bargRelieving Temperature 204 ºCSpecific Heats Ratio (Cp/Cv) k 1.38Vessel Wall Temperature Tw 593 ºCMolecular Weight M 29Unwetted Surface Factor F' 0.0181Required Relief Flow W 3518 kg/hRequired Relief Flow (F': 0.01) W 1942 kg/hRequired Relief Flow (F': 0.045) W 8739 kg/h
P1
T1
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULOGAS RELIEF VALVE SIZING
Service Description Separador General MS2-V-211 (Fuego)
REQUIRED AREA SIZE (API 520)Set Pressure Ps barg 9.80Overpressure % 21Upstream Relieving Pressure barg 11.86Back Pressure barg 0.06Required Relief Flow W kg/h 3023Molecular Weight M 22Relieving Temperature @ Inlet T °C 184Compressibility Factor @ Inlet Z 0.95Specific Heats Ratio (Cp/Cv) k 1.27Percent of Gauge Back Pressure Pb/Ps % 0.6Coefficient C Fig. 32 344Capacity Correction Factor Kb Fig. 30 1.00Combination Correction Factor Kc 1Discharge Coefficient Kd 0.975Critical Flow Pressure Pcf barg 6.08Gas Flow Type CriticalBack to Upstream Pressure Ratio r 0.083Subcritical Flow Coefficient Fig. 34 -Required Effective Discharge Area A in² 0.638
VALVE & ORIFICE SIZE (API 526)Valves Quantity 1Required Effective Discharge Area 0.638Minimum Orifice HOrifice Selected MinimumDischarge Area in² 0.785Rating / Required 1.230Valve Size 1½x3Rating in/outType of Valve Conventional
P1
Pb, P2
P2/P1
F2
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULOWET SURFACE FIRE FLOW CALCULATION
Service Description Separador General MS2-V-211 (Fuego)
WETTED SURFACESSection Type Phase Diam. L LLLH HLLH Surf.1 Surf. 2
[V/H] [1/2] [mm] [mm] [mm] [mm] [m²] [m²]Shell 1 Horizontal 1 2025 8750 0 1320 33.3 0.0Shell 2 Horizontal 0.0 0.0Shell 3 Horizontal 0.0 0.0Head 1 Horizontal 1 2025 - 0 1320 3.1 0.0Head 2 Horizontal 1 2025 - 0 1320 3.1 0.0Head 3 Horizontal - 0.0 0.0Head 4 Vertical - 0.0 0.0Total Wetted Surface 39.4 0.0
REQUIRED RELIEF LOADInsulation Thickness t 0 0 inInsulation Thermal Conductivity k 0.010 0 W/mKRelieving Temperature T 184 0 ºCEnvironmental Factor F 1.000 1.000Heat Absorption Q 3164633 0 kJ/hHeat of Vaporization l 1047 0 kJ/kgRequired Relief Flow W 3023 kg/h
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULOLIQUID RELIEF VALVE SIZING
Service Description
REQUIRED AREA SIZE (API 520)Set Pressure Ps barg 237.00Overpressure % 10Upstream Relieving Pressure barg 260.70Back Pressure barg 2.45Required Relief Flow Q kg/h 119340Relieving Temperature @ Inlet T °C 70Density G kg/m³ 1019Viscosity m cP 0.40Percent of Gauge Back Pressure Pb/Ps % 1.0Reynolds Number R 5182660Viscosity Correction Factor by R Kv' Fig. 36 1.000Viscosity Correction Factor Kv Iterate 1.000Combination Correction Factor Kc 1Discharge Coefficient Kd 0.65Back Pressure Correction Factor Kw Fig. 31 1.00Required Effective Discharge Area A in² 0.344
VALVE & ORIFICE SIZE (API 526)Valves Quantity 1Required Effective Discharge Area 0.344Minimum Orifice GOrifice Selected MinimumDischarge Area in² 0.503Rating / Required 1.462Valve SizeRating in/outType of Valve Conventional
P1
Pb, P2
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULOLIQUID RELIEF VALVE SIZING
Service Description
REQUIRED AREA SIZE (API 520) WATER OILSet Pressure Ps barg 7.00 7.00Overpressure % 10 10Upstream Relieving Pressure barg 7.70 7.70Back Pressure barg 1.00 1.00Required Relief Flow Q kg/h 593750 ###Relieving Temperature @ Inlet T °C 150 150Density G kg/m³ 950 950Viscosity m cP 500 500Percent of Gauge Back Pressure Pb/Ps % 14.3 14.3Reynolds Number R 2869 2869Viscosity Correction Factor by R Kv' Fig. 36 0.95 0.95Viscosity Correction Factor Kv Iterate 0.95 0.95Combination Correction Factor Kc 1 1Discharge Coefficient Kd 0.65 0.65Back Pressure Correction Factor Kw Fig. 31 1.00 1.00Required Effective Discharge Area A in² 11.553 11.553
VALVE & ORIFICE SIZE (API 526)Valves Quantity 1Required Effective Discharge Area 23.105Minimum Orifice TOrifice Selected MinimumDischarge Area in² 26.000Rating Relief Flow kg/h ###Rating / Required 1.125Valve Size 8x10Rating in/outType of Valve Balanced
P1
Pb, P2
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULOGAS-LIQUID RELIEF VALVE SIZING
Service Description Separador General MS2-V-211 ( Full Flow)
REQUIRED AREA SIZE (API 520) GAS LIQUIDSet Pressure Ps barg 9.80 9.80Overpressure % 10 10Upstream Relieving Pressure barg 10.78 10.78Back Pressure barg 1.30 1.30Required Relief Flow W kg/h 1164 237500Molecular Weight M 22 -Relieving Temperature @ Inlet T °C 50 50Compressibility Factor @ Inlet Z 0.97 -Specific Heats Ratio (Cp/Cv) k 1.32 -Density G kg/m³ - 950Viscosity m cP - 750Percent of Gauge Back Pressure Pb/Ps % 13.3 13.3Coefficient C Fig. 32 349 -Capacity Correction Factor Kb Fig.30 1.00 -Combination Correction Factor Kc 1 1Discharge Coefficient Kd 0.975 0.65Critical Flow Pressure Pcf barg 5.38 -Gas Flow Type Critical -Back to Upstream Pressure Ratio r 0.196 -Subcritical Flow coefficient Fig. 34 - -Reynolds Number R - 1873Viscosity Correction Factor by R Kv' Fig. 36 - 0.940Viscosity Correction Factor Kv Iterate - 0.940Back Pressure Correction Factor Kw Fig. 31 - 1.00Required Effective Discharge Area A in² 0.223 3.939
VALVE & ORIFICE SIZE (API 526)Valves Quantity 1Required Effective Discharge Area 4.162Minimum Orifice NOrifice Selected MinimumDischarge Area in² 4.340Rating / Required 1.043Valve Size 4x6Rating in/outType of Valve Balanced
P1
Pb, P2
P2/P1
F2
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULOGAS-LIQUID RELIEF VALVE SIZING
Service Description
REQUIRED AREA SIZE (API 520) GAS OIL WATERSet Pressure Ps barg 7.00 7.00 7.00Overpressure % 10 10 10Upstream Relieving Pressure barg 7.70 7.70 7.70Back Pressure barg 0.50 0.50 0.50Required Relief Flow W kg/h 16500 593750 593750Molecular Weight M 20 - -Relieving Temperature @ Inlet T °C 150 150 150Compressibility Factor @ Inlet Z 0.98 - -Specific Heats Ratio (Cp/Cv) k 1.25 - -Density G kg/m³ - 950.0 950.0Viscosity m cP - 500 500Percent of Gauge Back Pressure Pb/Ps % 7.1 7.1 7.1Coefficient C Fig. 32 342 - -Capacity Correction Factor Kb Fig.30 1.00 - -Combination Correction Factor Kc 1 1 1Discharge Coefficient Kd 0.975 0.65 0.65Critical Flow Pressure Pcf barg 3.82 - -Gas Flow Type Critical - -Back to Upstream Pressure Ratio r 0.174 - -Subcritical Flow coefficient Fig. 34 - - -Reynolds Number R - 3658 3658Viscosity Correction Factor by R Kv' Fig. 36 - 0.959 0.959Viscosity Correction Factor Kv Iterate - 0.959 0.959Back Pressure Correction Factor Kw Fig. 31 - 1.00 1.00Required Effective Discharge Area A in² 5.271 11.075 11.075
VALVE & ORIFICE SIZE (API 526)Valves Quantity 2Required Effective Discharge Area 13.710Minimum Orifice ROrifice Selected MinimumDischarge Area in² 16.000Rating / Required 1.167Valve Size 6x10Rating in/outType of Valve Conventional
P1
Pb, P2
P1/P2
F2
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULOHYDRAULIC EXPANSION FLOW CALCULATION
Service Description
REQUIRED RELIEF LOADCubical Expansion Coeff. B 1/K 0.001Total Heat Transfer Rate H kJ/h 200000Density G kg/m³ 1000Specific Heat C kJ/kgºC 4184Requires Relief Flow W kg/h 47.87
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API 521Table 3- Typical Values of Cubical Expansion
Coefficient for Hydrocarbon Liquids and Water at 60ºF
Gravity of Liquid (ºAPI) Value (per ºF)3-34,9 0.0004
35-50,9 0.000551-63,9 0.000664-78,9 0.000779-88,9 0.000889-93,9 0.00085
94-100 and lighter 0.0009Water 0.0001
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BUE-100000-R-XX-001 Rev.: A
CLIENTE: XXX
PROYECTO:RRR
HOJA DE CÁLCULOTUBE RUPTURE FLOW CALCULATION
Service Description
REQUIRED RELIEF LOADRelief Fluid State GasOperation Pressure (HP Side) Phigh barg 20.00Set Pressure (LP Side) Pset barg 12.00Density (HP Side) r 15.53Specific Heats Ratio (Cp/Cv) (HP Side) k 1.30Critical Flow Pressure Pcf barg 10.45Pressure Ratio r 0.68Inside Tube / Pipe Diameter ID in 0.75Discharge Coefficient C 0.60Compressibility Coefficient Y 0.90Required Relief Flow W kg/h 5081
Check for:- Cold liquid flow vaporization (extra capacity required) (API 3.18.3)- Hot vapor flow condensation (less capacity required) (API 3.18.3)- Gas flow autorefrigeration (API 3.18.3) HP Temp [ºC] 50
LP Temp [ºC] -23.6- 10/13 criteria (API 3.18.2)- Flow increase capacity of low pressure side (API 3.18.5)- Storage decrease from high pressure side (API 3.18.5)
kg/m
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