1、 工艺管线介质简称代号 英文全称 中文全称AG AMMONIA（IMPORT） 氨气（输入）AL ACID 酸AV ATMOSPHERIC VENT（NON PSV） 放空（无安全阀）BA BREATHING AIR 吸入空气BB BLOWDOWN（INTERMITTENT BOILER） 放空（间歇锅炉）BL AMMONIA 氨水BW HIGH PRESSURE BOILER FEED WATER 高压锅炉给水CA CONVEYING AIR 输送空气CB CONTINUOUS BLOWDOWN（BOILER） 连续排污（锅炉）CC CONTAMINATED CONDENSATE 污染凝液C
2、D CHEMICAL DRAIN 化学品排放CG CHLORINE 氯气CL CAUSTIC 碱液DA DECOKING AIR 烧焦空气DF DRY FLARE 干火炬DS DILUTION STEAM 稀释蒸汽DW DOMESTIC WATER 生活用水ER ETHYLENE REFRIGERANT 乙烯冷剂FG FUEL GAS 燃料气FO FUEL OIL 燃料油GG NATURAL GAS 天然气HC HIGH PRESSURE CONDENSATE 高压凝液HG HYDROGEN GAS 氢气HPN HIGH PRESSURE NITROGEN 高压氮气HS HIGH PRESSU
3、RE STEAM 高压蒸汽HW HOT WATER 热水HWF HIGH PRESSURE FIRE WATER 高压消防水IA INSTRUMENT AIR 仪表空气IL CHEMICAL INJECTION 化学品注入IW INTERMEDIATE WATER 中间水J JACKET 加套KW CHILLED WATER SUPPLY 冷冻水供LBW LOW PRESSURE BOILER FEED WATER 低压锅炉给水LC LOW PRESSURE CONDENSATE 低压凝液LD LIQUID DRAIN TO FLARE 至火炬的液体排污LF LOW PRESSURE FLAR
4、E 低压火炬LLC LOW LOW PRESSURE CONDENSATE 低低压凝液LLS LOW LOW PRESSURE STEAM（DESUPERHEATED） 低低压蒸汽（脱过热过热）LO LUBRICATION OIL 润滑油LPN LOW PRESSURE NITROGEN 低压氮气LS LOW PRESSURE STEAM（DESUPERHEATED） 低压蒸汽（非过热）LSS LOW PRESSURE STEAM（SUPERHEATED ） 低压蒸汽（过热）LW CHILLED WATER RETURN 冷冻回水LWF LOW PRESSURE FIRE WATER 低压消防
5、水MC MEDIUM PRESSURE CONDENSATE 中压凝液ML METHANOL 甲醇MO HOT OIL SUPPLY 热油供MPN MEDUIM PRESSURE NITROOGEN 中压氮气MS MEDUIM PRESSURE STEAM 中压蒸气ND NON-CONTAMINATED DRAIN 无污染排放NF FLARE(MAIN) 火炬（主要）NL LIQUID NITROGEN 液氮NO HOT OIL RETURN 热油回NR REFRIGERANT 制冷剂NW INDUSTRIAL WATER 工业用水OD OILY DRAIN 含油污水排放P PROCESS(H
6、YDROCARBONS) 工艺（烃类）PA PLANT AIR AND PROCESS AIR 装置空气和工艺空气PB PUMPOUTS 抽空PC PROCESS CONDENSATE(STYRENICS) 工艺凝液（苯乙烯）PCC PROCESS CLEAN CONDENSATE 工艺清洁凝液PG PILOT GAS 点火气PL PROPANOL 丙醇PR PROPYLNEN REFRIGERANT 丙稀冷剂PW PROESS WATER 工艺用水QW QUENCH WATER 急冷水RW COOLING WATER RETNRN 冷却回水SB SLOPS 污油SC SUPER HIGH P
7、RESSURE CONDENSATE 超高压凝液SD STORMWATER DRAIN 雨水排放SLW SEAL WAER(COOL CONDENSATE) 密封水（冷凝液）SO SEAL OIL 密封油SS SUPER HIGH PRESSURE STEAM 超高压蒸汽SSD SOLVENT SLOP DRAIN 溶剂溢出排放SV SAFETY VALVE TO ATMOSPHERE 安全阀排放至大气SW COOLING WATER SUPPLY 冷却水供TC TURBINE CONDENSATE 涡轮凝液TR EQUIPEMENT TRIM 设备 TRIMTW TREATED WATER(
8、DEMINERALIZED) 处理水（软化）UW UTILITY WATER 公用工程用水WF WET FLARE 湿火炬WO WASH OIL/FLUSHING OIL 洗油/冲洗用油WW WASTE WATER 废水ZW ZEOLITE WATER 沸石水Critical Linae Legend 关键管线图例B BOTH(Stress&Hydraulic) 全部（应力和水压）H Hydraulic 水压N None 无S Stress 应力Test Medium Legend 测试介质图例A Pneumatic 空气F Fill 充满H Hydraulic 水压L Leak 泄漏N No
9、ne 无S Service 用户Project Defaults 项目默认Personnel Protection Limit Temperature: 防烫极 650CTest Pressure Temperature：测压温度 400CSteam Out Temperature：蒸汽出口温度 1490CSteam Out Pressure：蒸汽出口压力 0.375MpagInsulation Legend 保温图例保温类型 保温描述 中文描述D Antisweat 防凝露F Full Heat Conservation 完全保温H Normal Heat Conservation 保温P1 Personnel Protection insulation 防烫P2 Guard Required for Personnel Protection No insulation 防烫装置，无保温R Cold 保冷 T Steam Tracing 蒸汽伴热V Acoustic 隔声E1 Electrical Tracing at 5 电伴热至 5E2 Electrical Tracing at 30 电伴热至 30E3 Electrical Tracing at 50 电伴热至 50E4 Electrical Tracing at 70 电伴热至 70
