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工艺物料代号编写代号英文中文词义PProcessstream工艺物料(通用代号)PGProcessgas工艺气体PLProcessliquid工艺液体PSProcesssolid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气ACAcid酸、酸液ACGAcidi1ygas酸性气体ACLAcidi1yliquid酸性液体/ACSAcidi1ysewage酸性污水ADAdditive添加剂AMAmmonia氨AMGGaseousammonia氨气(作制冷剂)AMLLiquidammonia液氨(作制冷剂)AMWAmmoniawater氨水BDB1owdown排污BRBrine盐卤水BWBOi1erfeedwater锅炉给水
Csteamycondensate水蒸汽凝液CACaustic碱,碱液CAGCausticgas碱性气体CALCausticliquid碱性液体CASCausticsewage碱性污水CATCata1yst催化剂CHWChilledwater冷冻冷水(指0℃以上)CLChlorine氯CMChemicals化学品CNSCleansewage清净下水COCoolingoil冷油(冷却油)COOCarbondioxide二氧化碳CRSContaminatedrainandsewage污染下水(指污染的雨水、冲洗水、放净水、排水)CSWChilledsaltwater冷冻盐水(指0℃以下)CTMCTMCoolingtransfermaterial冷载体CWCoolingwater冷却水CWRCoolingwaterreturn冷却水口水CWSCoolingwatersupp1y冷却水供水DAWDealkalizedwater脱碱水(用于