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PID图例符号介绍

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LINE SERVICE IDENTIFICATION

SYMBOL SERVICE 符号 帮助

AIR SYSTEMS 空气系统

IA INSTRUMENT AIR 仪表风 PA PLANT AIR 工厂风 DA 烧焦空气

STEAM AND CONDENSATE SYSTEMS 蒸汽与凝液系统

HC HIGH PRESSURE CONDENSATE 高压蒸汽凝液

MC MEDIUM PRESSURE CONDENSATE 中压蒸汽凝液

LC LOW PRESSURE CONDENSATE 低压蒸汽凝液

SC SURFACE CONDENSATE 表面凝液

DS DILUTION STEAM 稀释蒸汽

HS HIGH PRESSURE SREAM 高压蒸汽

MS MEDIUM PRESSURE STEAM 中压蒸汽

LS SUPERHEATED LOW PRESSURE STEAM 过热低压蒸汽

PS SATURATED LOW PRESSURE STEAM 饱与低压蒸汽

SHS SUPER HIGH PRESSURE STEAM 超高压蒸汽 DRAIN SYSTEMS 排放系统

CD CHEMICAL DRAIN 化污

LD LIQUID DRAIN 液体排放

ND NON-CONTAMINATED POLLUTION DRAIN 无污染排放 OD OILY DRAIN

油污

EXHAUST AND VENT SYSTEMS

AV ATMOSPHERIC VENT (NOT FROM PSV) 通大气(不从安全阀)

SV SAFETY VALVE TO ATMOSPHERE 安全伐排大气 FLARE SYSTEMS 火炬系统

DF DRY FLARE 干火炬 WF WET FLARE 湿火炬 GAS SYSTEMS 气体系统

FG FUEL GAS

燃料气

HG HYDROGEN 氢气

NG NITROGEN

氮气

SPECIAL LIQUID SYSTEMS 特殊液体系统

CL CAUSTIC 腐蚀性

QO QUENCH OIL

急冷油

SO SEAL OIL 密封油

WO WASHING OIL

冲洗油(压缩机)

PROCESS SERVICE (NORMAL) P PROCESS 工艺

REFRIGERANT SYSTEMS

BR BINARY REFRIGERANT 二元制冷

PR PROPYLENE REFRIGERANT 丙烯冷剂 WATER SYSTEMS 水系统

BFW BOILER FEED WATER 锅炉给水 FW FIRE WATER 消防水

IW INTERMEDIATE WATER

二次水

CWR COOLING WATER RETURN 冷却水回水

CWS COOLING WATER SUPPLY 冷却水

PW POLISHED WATER 工艺水

QW QUENCH WATER

急冷水

UW UTILITY WATER 工业水

WW WASTE WATER 废水

MISCELLANEOUS ABBREVIATION SYMBOLS 各种缩写与符号

A AIR MOTOR 空气马达 ACC ACCESSIBLE 可接近得 ATM ATMOSPHERE 大气

BL BATTERY LIMIT 界区

BTS BUBBLE TIGHT SHUT-OFF 缓慢紧密切断 BV BY VENDOR 由供应商提供 CONN CONNECTION 连接

CSC CAR SEAL CLOSED 关闭锁定

CSO CAR SEAL OPEN 打开锁定

DEC DETAIL ENGINEERING CONTRACTOR 工程承包商详细资料 EOR END OF RUN 运行结束 SOR

EW EYEWASH 洗眼

AND SERVICE

PID图例符号介绍

LINESERVICEIDENTIFICATIONSYMBOLSERVICE符号帮助AIRSYSTEMS空气系统IAINSTRUMENTAIR
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