工艺管线介质代号
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
CD 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 PRESSURE 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 FLARE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(HYDROCARBONS)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 PRESSURE 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TRIM
TW TREATED WATER(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 None 无
S Service 用户
Project Defaults 项目默认
Personnel Protection Limit Temperature: 防烫极650C
Test Pressure Temperature：测压温度400C
Steam Out Temperature：蒸汽出口温度1490C
Steam Out Pressure：蒸汽出口压力
Insulation 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5℃E2 Electrical Tracing at 30℃电伴热至30℃E3 Electrical Tracing at 50℃电伴热至50℃E4 Electrical Tracing at 70℃电伴热至70℃