Requirements for Compressor
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General Compressor type Cylinder type Material for valves and piston rod Other Material Spec. Regular operating condition Required flow rate Suction pressure Suction temperature Discharge pressure Gas properties - Sour Gas Hydrogen Hydrogen Sulfide Moisture Methane Ethane Propane I-Butane n-Butane I-Pentane n-Pentane iso-Butylene 2,2-Dimethylebutane Methylcyclopentane n-Hexane n-Heptane Methylacetylene Cyclohexane Benzene Special operating condition(few hours and once or tw Required flow rate Suction pressure Suction temperature Discharge pressure Gas properties - Pure Nitrogen Specific gravity* Nitrogen Specific gravity*
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Transcript of Requirements for Compressor
General SpecGeneral SpecificationCompressor typeReceprocatingCylinder typeNon-lubeMaterial for valves and piston rodStainless steelOther Material Spec.Compatible to Sour Gas & tropical regionRegular operating conditionRequired flow rate6 MMSCFDSuction pressure240 psigSuction temperature105 FDischarge pressure370 psigGas properties - Sour GasSpecific gravity*0.4Hydrogen70.00%Hydrogen Sulfide300 to 1000 PPMMoisture100 to 200 PPMMethane11.55%Ethane5.00%Propane2.50%I-Butane3.50%n-Butane4.00%I-Pentane1.00%n-Pentane0.10%iso-Butylene0.05%2,2-Dimethylebutane0.05%Methylcyclopentane0.10%n-Hexane0.05%n-Heptane0.05%Methylacetylene1.00%Cyclohexane1.00%Benzene0.05%Special operating condition(few hours and once or twice in a year)Required flow ratemore than 2 MMSCFDSuction pressure100 psigSuction temperatureAmbientDischarge pressureN/AGas properties - Pure NitrogenSpecific gravity*0.97Nitrogen100.00%*Relative to air
Scope of SupplyScope of Supply - 2nos Compressor UnitSLMain ScopeDescriptionRemarks1CompressorMin. Flow 6 MMSCFD (Oil free)Compatible to API 6182CoolerFor Lube Oil & Coolant3DriveInduction Motor compatible to VFDClass: I; Div.: 2 / Zone:2; Gr.: IIC4CouplingDirect by flexible disc5VFDManufac. - SchneiderWith ethernet communication facility6Capacity control systemVFDSuction Valve UnloaderBy-pass ValveVVCP (Variable volume clearance pocket)7ProcessSuction ScrubberAll vessels should be designed per ASME sec 8 div I and pipings per B31.3Discharge ScrubberSuction BottleSuction BottleSuction PipingDischarge Piping8ControlsPLC - Allen-Bradley Compact logixSingle panel common for both compressors but in case of emergency or especial circumstances possible to run both the compressors by this single panel.HMI - A/B Panel View Plus 700Panel encl. NEMA/Type 4 rated (IP65)Suitable for NEC:Class I; Div 2; Gr. C&D; T39InstrumentAll required for safe and easy operation
Sheet3Gas properties - Sour GasSpecific gravity*0.4Cp Value, BTU/lb-mole F8.21.32Cv Value, BTU/lb-mole F6.31Hydrogen70.00%Hydrogen Sulfide, PPM300 to 1000Methane11.55%Ethane5.00%Propane2.50%I-Butane3.50%n-Butane4.00%I-Pentane1.00%n-Pentane0.10%iso-Butylene0.05%2,2-Dimethylebutane0.05%Methylcyclopentane0.10%n-Hexane0.05%n-Heptane0.05%Methylacetylene1.00%Cyclohexane1.00%Benzene0.05%
Scope of Supply (Rev 02)Scope of Supply - 2nos Compressor UnitSLMain ScopeDescriptionRemarks1CompressorMin. Flow 6 MMSCFD (Oil free)Compatible to API 6182Bypass CoolerFor Lube Oil & Coolant3DriveInduction Motor compatible to VFDClass: I; Div.: 2 / Zone:2; Gr.: IIC4CouplingDirect by flexible disc5VFDManufac. - SchneiderWith ethernet communication facility6Capacity control systemVFDBy-pass Valve7ProcessSuction ScrubberAll vessels should be designed per ASME sec 8 div I and pipings per B31.3Discharge ScrubberSuction BottleSuction BottleSuction PipingDischarge Piping8ControlsPLC - Allen-Bradley Compact logixHMI - A/B Panel View Plus 700Panel encl. NEMA/Type 4 rated (IP65)Suitable for NEC:Class I; Div 2; Gr. C&D; T39InstrumentAll required for safe and easy operation (as per our alarms and shutdown list). Applicable for outdoor and Class & Division should selected for hazardous and hydrogen application.
