管道仪表流程图上的物料代号管道仪表流程图上的物料代号2.1 分类 物料代号用于管道编号，分为工艺物料代号及化学品、辅助物料和公用物料代号两类。2.2 工艺物料代号缩写代号英 文中 文 词 义PProcess stream工艺物料(通用代号)PGProcess gas工艺气体PLProcess liquid工艺液体PSProcess solid工艺固体2.3 化学品、辅助物料和公用物料代号缩写代号英 文中 文 词 义AAir空气ACAcid酸、酸液ACGAcidily gas酸性气体ACLAcidily liqiud酸性液体ACSAcidily sewage酸性污水ADAdditive添加剂AMAmmonia氨AMGGaseous ammonia氨气(作制冷剂)AMLLiquid ammonia液氨(作制冷剂)AMWAmmonia water氨水BABlowing Air鼓风空气BDBlow down排污BRBrine盐卤水5BW Boiler feed water锅炉给水CSteamy condensate水蒸汽凝液CACaustic碱、碱液CAGCaustic gas碱性气体CALCaustic liquid碱性液体CASCaustic sewage碱性污水CATCatalyst催化剂CCACarrier catalyst Air催化剂载运空气CDRChemical Drain化学污水放净CHWChilled water冷冻冷水(指0以上)CLChlorine氯CMChemicals化学品CNSClean sewage清净下水COCooling oil冷油(冷却油)COOCarbon dioxide二氧化碳CRSContaminated rain and sewage污染下水(指污染的雨水、冲洗水、放净水、排水)CSWChilled salt water冷冻盐水(指0以下)CTMCooling transfer material冷载体CWCooling water冷却水CWRCooling water return冷却水回水CWSCooling water supply冷却水供水DAWDealkalized water脱碱水(用于除盐水系统)DEWDemineralized water除盐水(脱盐水)DFDry Flare干火炬排放气DRDrain排水、排液DWDomestic water生活用水、饮用水EAExhaust air排出空气EREthane(or ethylene)refrigerant乙烷(或乙烯)冷冻剂ESExhaust steam排出蒸汽FFlare exhaust火炬排放气FAFilling Air填充空气FGFuel gas燃料气FLGFlue gas 烟道气FLWFiltrated water 过滤水FOFuel oil燃料油FOSFoaming solution泡沫液FRFreon refrigerant氟里昂冷冻剂FTFused salt熔盐FWFire water 消防水GOGland oil填料油GWGased water加气水、溶气水HHydrogen氢气HAHydrochloric acid盐酸HCHigh pressure condensate高压蒸汽凝液HFHot Flare热火炬排放气HOHeating oil热油、加热油、热载油HSHigh pressure steam高压蒸汽HSSHigh pressure saturated steam高压饱和蒸汽HSUHigh pressure super steam高压过热蒸汽HTMHeat transfer material热载体HWHot water 热水HWRHot water return热水回水(用于采暖、加热、空调等)HWSHot water supply热水给水(用于采暖、加热、空调等)HYLHydraulic liquid液压液体HYOHydraulic oil液压油HYWHydraulic water液压水IAInstrument air仪表空气ICWIntermadiate cooling water冷却水二次用水IDWIndustrial snd domestic water生产和生活用水IGInert gas惰性气体ISIndustrial sewage生产污水(泛指工艺过程产生的污水)IWIndustrial water生产用水LCLow pressure condensate低压蒸汽凝液LDLiquid drain排液(泛指工艺排液)LOLubricating oil润滑油LSLow pressure steam低压蒸汽LSSLow pressure saturated steam低压饱和蒸汽LSULow pressure super steam低压过热蒸汽MCMedium pressure condensate中压蒸汽凝液MRMethane refrigerant甲烷冷冻剂MSMedium pressure steam中压蒸汽MSSMedium pressure saturated steam中压饱和蒸汽MSUMedium pressure super steam中压过热蒸汽NNitrogen氮气NGNatural gas天然气OLOil油(泛指除原料外的油)OSOily sewage含油污水OXOxygen氧气PAPlant air工厂空气PCProcess Condensate工艺冷凝液PRPropane(or propylene)refrigerant丙烷(或丙烯)冷冻剂PWPolished water精制水QOQuench Oil急冷油QWQuench water急冷水RRefrigerant冷冻剂、冷媒、制冷剂RAWRaw water原水RCSRain water and clean sewage雨水及清净下水(指清净的雨水、冲洗水、放净水、排水)RWRaw water雨水SSteam蒸汽SASulphuric acid硫酸SEWSea water海水SFWSoft water软水(软化水)SGStack Gas烟道气SLSealing liquid密封液SOSealing oil密封油SSSanitary sewage生活污水STAStarting Air开车空气SUSludge,slurry污泥、泥浆SWSealing water密封水TCTurbine Condensate透平凝液TWTreated waste water处理后的废(污)水TWFFiltration Treated Water过滤水TWPPurified Treated Water澄清水VEVacuun exhaust真空排放气VGVent gas放(排)空气体WWater水WACWaste acid废酸WCAWaste caustic废碱WFWet Flare湿火炬排放气WGWaste gas废气WLWaste liquid废液WOWaste oil废油WSWaste solid废渣WWWaste water废水(各种污水统称)WWCChemical Waste Water化学污水WWPProduction Waste Water生产污水WWSSanitary Waste Water生活污水