PID图例符号介绍

PID图例符号介绍 LINE SERVICE IDENTIFICATION SYMBOL SERVICE 符号 帮助 AS 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 蒸汽和凝液系统 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 饱和低压蒸汽 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 1 / 18 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 AND SERVICE SYMBOLS 各种缩写和符号 A AIR MOTOR空气马达 ACC ACCESSIBLE可接近的 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 Star Of Run 运行开始 2 / 18 EW EYEWASH 洗眼 FLG FLANGE法兰 LC LOCKED CLOSED锁定关闭 LO LOCKED OPEN锁定打开 NC NORMALLY CLOSED正常情况下关闭 NNF NORMALLY NO FLOW正常情况下无流量 NO NORMALLY OPEN 正常情况下打开 S SAMPLE CONNECTION取样点 SC SAMPLE CONNECTION WITH COOLER连接冷却器的取样点 SOR START OF RUN开始运行 SR STRAINER过滤器 SS SAFETY SHOWER安全喷淋 T LINE DRIP TRAP疏水器 TSO TIGHT SHUT OFF密闭切断 UC UTILITY CONNECTION公用工程接口 LINES MAIN LINE主线 SECONDARY LINE副线 UNDERGROUND OR BURY地下或隐藏 ELECTRICALLY TRACED电缆线 SPECIAL TRACED特殊管线 STEAM TRACED蒸汽伴热 JACKETED夹套 PACKAGED EQUIP BOUNDARY成套设备分界线 BATTERY LIMIT BOUNDARY界区分界线 FUTURE未来 MATERIAL SPEC BREAK材料规格分界点 DESIGN BREAK设计分界点 BELOW GROUND LINE RISING ABOVE GRADE地管伸出点 BREAK OF REPONSIBILITY责任分界点 MISCELLANEOUS ITEMS各种细节 ROD OUT CONNECTION连接杆 CLEAN OUT CONNECTION (FLUSHING)清理接口(冲洗) REMOVABLE SPOOL可拆除短管 NOZZLE OR PIPE WITH BLIND FLANGE带盲法兰的喷嘴或管线 SPACER FOR BLIND盲管位置 NORMALLY CLOSED正常情况下关闭 3 / 18 NORMALLY OPEN正常情况下打开 FIGURE B B 图 REVERSIBLE BLIND 8字盲板 ORIFICE SWAGE孔板 INSULATED FLANGED JOINT保温法兰连接 PIPE CAP (WELDED)管帽(焊接) PIPE CAP (SCREWED)管帽(法兰) REDUCER变径管 T-STRAINERT型过滤器 PERMANENT Y-STRAINER (WITH VALVE)带阀门Y型过滤器 TEMPORARY STRAINER临时过滤器 HOSE CONNECTION软管接口 SAMPLE CONNECTION取样口 **-SERVICE SYMBOL符号说明 SEQUENCE NUMBER序列号 OPEN DRAIN HUB敞口集液器 MATERIAL BALANCE STREAM NUMBER物流号 CONTINUTY ARROW延续箭头 INITIAL FEED初始进料 GRADE等级 TRENCH地沟 LINE IDENTIFICATION管线说明 INSULATION CODE保温代码 MATERIAL SPECIFICATION材质 BRANCH IDENTIFIER分支标识 SEQUENCE NUMBER管线号 PROCESS SECTION AREA(MAY BE SINGLE DIGIT) 工艺区LINE SERVICE SYMBOL管线符号说明 LINE SIZE管线尺寸 VALVES GATE VALVE闸阀 BUTTERFLY VALVE蝶阀 DIAPHRAGM VALVE隔膜阀 GLOBE VALVE球阀 NEEDLE VALVE针型阀 PLUG VALVE截止阀 4 / 18 BALL VALVE球阀 CHECK VALVE止逆阀 STOP CHECK VALVE(BOILER NON-RETURN VALVE) 带手轮止逆阀 THREE 0R FOUR VALVE三通或四通阀 MULTI PORT PLUG多向切断阀 ANGLE VALVE角阀 DUAL TANDEM BLOWNDOWN VALVES两段排污阀 RAN TYPE VALVER型阀 T-TYPE GLOBE VALVET型球阀 AUTOMATIC RECIRCULATION VALVE自动再循环阀 INTERLOCKED VALVES(MECHANICAL LINK))机械联动阀 QUICK OPENING OR CLOSING VALVE快速开关阀 VALVE WITH BODY CAVITY RELIEF OR BODY BLEED CONNECTION带有排放阀的阀门 DAMPER挡板 APPROPRIATE ABBREVIATION合适的缩写 SLIDE GATE VALVE滑动闸阀 EQUIPMENT IDENTIFACATION设备符号 SUPPLIED WITH VENDOR EQUIPMENT供应商提供的设备 SPARE(A,B,C,ETC USED IF PARALLEL UNITS)同一设备的编号 SEQUENCE NUMBER序列号 AREA NUMBER区号 EQUIPMENT CODE OF ACCOUNT设备代码 UNIT DESIGNATION单元名称 E – ETHYLENE 乙烯 H - DPG HYDROGENATION 汽油加氢 U - UTILITY & OFF SITE公用工程 PIPING SPECIALTY ITEMS AND MISCELLANEOUS EQUIPMENT特殊管项和各种设备 ALL PIPING SPECIALTY ITEMS ARE IDENTIFIED 所有特殊管线有以下注明 SEQUENCE NUMBER ( NUMBERED IN SAME WAY AS INSTRUMENT )序列号(与仪表排序相同) EXHAUST HEAD负压总管 ATOMPHERIC VENT WITH WEATHER CAP防雨放空管 5 / 18 DUPLEX STRAINER相同的过滤器 PERMANENT BASKET STRAINER提篮式过滤器 FLEXIBLE HOSE金属软管 EXPANSION JOINT膨胀节 INLINE MIXERS OR VENTURI TYPE DESUPER HEATER 内嵌式混合器或文丘里型混合器 SILENCER消音器 EJECTOR OR EDUCTOR喷射器 FILTER过滤器 FILTER WITH HOOD带罩过滤器 CONDENSATE TRAP (NON-PROCESS)凝液疏水器 FIRE PROTECTION 消防 FIRE HYDRANT消防炮 FIRE HYDRANT WITH MONITOR带监视器的消防栓 FIRE HYDRANT WITH PUPPER CONNECTION消防栓 HOSE HOUSE消防箱 VALVE WITH INDICATOR POST带指示的阀 MONITOR 监视器 EM IF ELEVATED如果提升 PUMP泵 CENTRIFUGAL离心泵 METERING OR RECIPROCATING计量泵或往复式泵 ROTARY {GEAR ,SCREW }齿轮泵 VERTICAL SUMP PUMP立式污水泵 VERTICAL CANNED PUMP (PFD ONLY ALL TYPES)泵 LIQUID RING VACUUM PUMP水环式真空泵 COMPRESSOR压缩机 SINGLE STAGE RECIPROCATING单机往复式 MULTI-STAGE RECIPROCATING多级往复式 CENTRIFUGAL离心式 ROTARY旋转式 BLOWER FAN鼓风机 BLOWER (PFD ONLY ALL TYPES)鼓风机 COMPRESSOR (PFD ONLY)压缩机 6 / 18 SCREW螺杆式 DRIVER驱动装置 ELECTRIC MOTOR 电动马达 DIESEL ENGINE .ETC柴油发动机 APPROPRIATE ABBREVIATION相应的缩写 A AIR 空气 D DIESEL 柴油 H HYDRAULIC 水力的 M ELECTRIC 电气的 STEAM TURBINE蒸汽涡轮 EXPANDER扩大室 HEAT EXCHANGER换热器 SHELL AND TUBE HEAT EXCHANGER管壳式换热器 HORIZONTAL SHELL AND TUBE HEAT EXCHANGER 水平式管壳式换热器 VERTICAL SHELL AND TUBE HEAT EXCHANGER 垂直式管壳式换热器 SINGEL SECTION DOUBLE PIPE EXCHANGER 单壳程双管程换热器 TWO SECTION DOUBLE PIPE EXCHANGER 双壳程双管程换热器 AIR COOLER空冷器 AIR COOLER (PFD ONLY)空冷器 KETTLE TYPE REBOILER OR STEAM GENERATOR 釜式再沸器或蒸汽发生器 KETTLE TYPE EXCHANGER (PFD ONLY)釜式换热器 GRAPHITE BLOCK TYPE EXCHANGER石墨板式换热器 PLATE EXCHANGER板式换热器 DRAWING IDENTIFICATION图形说明 REVISION NO.修订号 DRAWING NO.图号 AREA NO.区号 JOB NO.工号 DRAWING SIZE 7 / 18 VESSELS AND FURNACES容器和炉子 FLOATING ROOF TANK浮顶罐 CONE ROOF TANK WITH INTERNAL COIL带内盘管锥型顶罐 COLUMN柱型 PACKING包装 INTERNAL BAFFLE VORTEX BREAKER旋风分离器 CABIN TYPE HEATER WITH EXTERNAL CROSS-OVERS HORIZONAL TYPE HEATER WITH INTERNAL CROSSOVERS 内部有交叉的水平加热管 VESSEL ELEVATIONS离地面高度 INSULATION CODE 保温代码 D ANTI-SWEAT INSULATION 防水保温 E ELECTRICAL TRACING F FULL HEAT CONSERVATION H NORMAL HEAT CONSERVATION 一般保温 M DUAL SERVICE INSULATION P PERSONNEL PROTECTION 防护人员 S SPECIAL 特殊的 T STEAM TRACING V ACOUSTICAL 听力的 BREAK OF RESPONSIBILITY SYMBOL FOR LOCATION OF TIE-IN POINT CONNECTED U NEW ETHYLENE STORAGE AREA 乙烯新区的 V OSBL (ON NORTH SIDE RACK) 8 / 18 W OSBL (ON MAIN RACK IN FRONT OF NEW HEATER) X OSBL (ON SOUTH SIDE RACK) Y OSBL (COOLING WATER) E EXISTING AREA D DPG AREA C4 C4 HYDRO AREA D(W) DPG AREA AND THROUGH THE TIE-IN POINT(W) ON THE RACK C4(U) C4 HYDRO AREA AND THROUGH THE TIE-IN POINT(U) ON THE RACK E(W) EXISTING AREA AND THROUGH TIE-IN POINT(W) ON THE RACK E(X) EXISTING AREA AND THROUGH TIE-IN POINT(X) ON THE RACK GENERAL NOTES 1. FOR INSTRUMENTATION SYMBOLS SEE DWG NO.0005B 仪表符号参阅图DWG NO.0005B 2. FLOW DIAGRAMS ARE DIAGRAMATIC ONLY 。 ROUTING OF PIPELINES MUST BE INVESTIGATED FOR VENTING OF HIGH POINTS OF PIPING AND DRAINING OF LOW POINTS OF PIPING AND EQUIPMENT . THESE POINTS ARE NOT NORMALLY SHOWN ON P&I FLOW DIAGRAM THE CONTROL VALVE ASSEMBLY WILL HAVE A 3/4: DRAIN VALVE LOCATED ON THE UPSTREAM SIDE OF THE CONTROL VALVE 在调节阀的上游应有一个3/4英寸的就地排放阀。 . VESSEL INTERNALS, FURNACE COILS , HEADERS, AND 9 / 18 MANIFOLDS ARE SHOWN TO THE EXTENT REQUIRED FOR CLARITY. 容器内部、炉管等在必要的地方标明。 ALLOWANCE IS TO BE MADE FOR TEMPORARY STRAINERS IN SUCTION LINES OF ALL PUMPS AND COMPRESSOR 1 1/2: AND LARGER . :Y:TYPE STRAINERS ARE TO BE PROVIDED IN SUCTION LINES 1 1/2: AND SMALLER.. 在所有泵、压缩机的吸入管线上均装有1 1/2:或更大的临时过滤器，: Y:型过滤器则被装在1 1/2:或更小的管线上。 ,TO ATM AT SAFE LOCATION,MEANS 3000mm ABOVE ANY PLATFORM OR STAIRWAY WITHIN AN 8000mm RADIUS. 9mm WEEP HOLE SHALL BE PROVIDED IN LOW POINTS OF RELIEF VALVE DISCHARGES VENTING TO ATMOSPHERE. 在排大气阀的低点有一个9mm的孔来排出液体。 BATTERY LIMIT OR ROOT VALVES ARE NOT NECESSARILY SHOWN ON PROCESS P&IDS. THESE SHOWN BE SHOWN AS REQUIRED ON DISTRIBUTION AND/OR UTILITY P&IDS DURING DETAILED DESIGN. 界区阀和根部阀在工艺流程图中不一定有，但在公用工程的P&IDS图中会 有详细资料。 PUMP SEAL FLUSHES AND COOLING DETAILS TO BE PROVIDED BY DETAILED ENGINEERING CONTRACTOR. FOR SPECIAL REQUIREMENTS, SEE PUMP DATA SHEETS OR SCHEDULES. 泵的密封和冷却系统由工程承包商提供，有特殊要求请查看泵的曲线和表。 10. ALL ELEVATIONS SHOWN ARE PRELIMINARY, ELEVATIONS ARE TO BE FINALIZED DURING DETAILED ENGINEERING, TOWER AND DRUM ELEVATIONS ARE BASED ON REBOILER HYDRAULICS OR PUMP NPSH REQUIRENENTS. 10 / 18 11. BLOCK VALVES FOR ALL INSTRUMENTS SUCH AS PLPGLI AND LG ARE NOT INDICATED AND THESE BLOCK VALVES ARE 3/4:, IF NOT INDICATED. 12. RUNNING SIGNALS FOR ALL MOTOR ARE NOT INDICATED. 所有的马达运行信号不被显示。 LINE DESIGATIONS CONNECTION TO PROCESS, MECHANICAL LINE OR INSTRUMENT INPUT CAPILLARY TUBING (FILLED SYSTEM) PNEUMATIC SIGNAL ELECTRICAL SIGNAL OR SOFTWARE SIGNAL HYDRAULIC (LIQOID) SIGNAL ELECTROMAGNETIC OR SONIC SIGNAL (INCLUDING RADIO WAVES, NUCLEAR RADIATION,HEAT AND LIGHT) INSTRUMENT AIR SUPPLY INSTRUMENT LINE PURGE **-PURGE MEDIUM (LINE SERVICE IDENTIFICATION OR AS NOTED) TEMPERATURE INSTRUMENTS SINGLE THERMOCOUPLE, RTD, 11 / 18 GAUGE OR WELL, *** - RTD (IF RESISTANCE TEMPERATURE DETECTOR) DUPLEX THERMOCOUPLE IN ONE WELL MULTI-ELEMENT THERMOCOUPLE FOR DIFFERENT ELEVATIONS OR ZONES (INDICATE FIRST AND LAST TAG NUMBERS OR TAG NUMBER SUFFIXES) TEMPERATURE REGULATOR 温度调节阀 PRESSURE INSTRUMENTS 压力调节器 CONTROLLING SIDE PRESSURE REDUCING REGULATOR-SELF-CONTAINED PRESSURE REGULATOR WITH EXTERNAL PRESSURE TAP DEFFERENTIAL PRESSURE REDUCING WITH EXTERNAL AND EXTERNAL PRESSURE TAPS SAFETY RELIEF VALVE PRESSURE AND VACUUM SAFETY RELIEF VALVE PILOT OPERATED SAFETY RELIEF VALVE RELIEVING MANHOLE COVER PRESSURE OR VACUUM RELIEF SET PRESS 设定压力 PRESSURE RELIEF RUPTURE DISK 12 / 18 VACUUM RELIEF RUPTURE DISK FLOW INSTRUMENTS 流量计 ORIFICE PLATE OR RESTRICTION ORIFICE 孔板或限流孔 ORIFICE PLATE IN QUICK CHANGE FITTING VENTURL FLOW TUBE OR FLOW NOZZLE 文丘里流量计或喷嘴 INSERTION TYPE FLOW INSTRUMENT 插入型流量计 FLUME WEIR ROATMETER 转子流量计 FLOW STRAIGHTENING VANES EXTERNAL TYPE FLOW INSTRUMENT SPECIFY TYPE OUTSIDE BUBBLE IN-LINE FLOW INSTRUMENT SPECIFY TYPE OUTSIDE BUBBLE LEVEL INSTRUMENTS 液位计 EXTERNAL LEVEL INSTRUMENT 外部液位计(玻璃板、浮筒式) INTERNAL FLOAT TYPE LEVEL INSTRUMENT 浮筒式液位计 13 / 18 BUBBLE TYPE LEVEL INSTRUMENT RADIATION OR SONIC LEVEL INSTRUMENT FLOAT AND TAPE TYPE LEVEL INDICATOR OR TRANSMITTER FOR STORAGE TANKS OTHER LEVEL INSTRUMENTS SPECIFY TYPE OUTSIDE BUBBLE LEVEL REGULATOR WITH MECHANICAL LINKAGE CONTROL VALVES控制阀 GLOBE VALVE球阀 ANGLE角阀 BUTTERFLY蝶型 BALL. PLUG OR DISC球、塞子、圆盘 DIAPHRAGM(SAUNDERS)隔膜 OTHER (SPECIFY NEXT TO SYMBOL) 其他的(在下一个符号中详细说明) THREE WAY GLOBE三通球型调节阀 FOUR WAY VALVE四通调节阀 ACTUATORS执行机构 SPRING AND DIAPHRAGM弹簧和隔膜 DIFFERENTIAL DIAPHRAGM微分隔膜 PISTON TYPE - SINGLE ACTING PISTON TYPE - DOUBLE ACTING ELECTRIC MOTOR 电动马达 SOLENOID 螺线管 ELECTRO-HYDRAULIC GAS MOTOR 气动马达 MANUAL HANDWHEEL 14 / 18 手轮 ACCESSORIES SIDE MOUNTED HANDWHEEL MANUAL RESET REMOTE RESET ADDITIONAL INFORMATION BODY SIDE 阀体尺寸 BTS BUBBLE TIGHT SHUT-OFF TSO TIGHT SHUT-OFF AIR FAILURE POSITION FO FAIL OPEN 故障时打开 FC FAIL CLOSE 故障时关闭 FL(O) FAIL LOCKED(LAST POSITION) VALVE OPENS ON DECREASING CONTROL SIGNAL FL(C)) FAIL LOCKED(LAST POSITION) VALVE CLOSES ON DECREASING CONTROL SIGNAL SPLIT RANGE DESIGNATION A FIRST VALVE TO RESPOND TO INCREASING CONTROL SIGNAL B SECOND VALVE TO RESPOND TO INCREASING CONTROL SIGNAL MISCELLANEOUS ITEMS 各种 15 / 18 INLINE INSTRUMENTS 在线仪表 FLAME ARRESTOR CONTINUOUS DRAINER OPTIONAL VENT LINE EXCESS FLOW VALVE PROCESS STEAM TRAP ANALYZER ANALYTICAL COMPONENT OR PHYSICAL PROPERTY PURGING DETAIL DIAPHRAGM SEALS PIPED CONNECTION FLUSH MOUNTED TRACING CONVENTIONAL INSTRUMENTATION DIGITAL INSTRUMENTATION PUSHBOTTON , SWITCHES & LIGHTS INDICATING LIGHT PUSHBOTTON PUSHBOTTON WITH LIGHT SWITCH SWITCH WITH LIGHT(LIGHT INCLUDED FOR EACH PUSHBUTTON FUNCTION) 16 / 18 HIGH/LOW OPEN/CLOSE LIGHT DESIGNATION MEASURED VARIABLE FUNCTION BYP BY PASS HOA HAND/OFF//AUTOMATIC O/C OPEN/CLOSE RESET S/S START/STOP TRIP TRIP NOTES 1. FOR PIPING AND EQUIPMENT SYMBOLS , SEE DWG 000054 THE INSTRUMENTATION REPRESENTATION ON P&I FLOW DIAGRAMS, IN GENERAL , CONSISTS OF A SINGLE OR SEVERAL BALOONS SUFFICIENT FOR FUNCTIONAL DEFINATION, COMPLEX OR UNUASUAL LOOPS ARE DIPECTED WITH INDIVIDUAL COMPONENT BALOONS AS REQUIRED FOR CLARITY. 3. ALL CONTROL ROOM INSTRUMENTS ARE LOCATED IN THE CENTRAL CONTROL ROOM UNLESS OTHERWISE NOTES. NEEDLE VALVE AND CHECK VALVE ARE INTEGRAL PART OF ROTAMETER. AN INSTRUMENT NUMBER WITH AN X SUFFIX OR AN X IN PLACE OF THE LOOP NO. DENOTES THE INSTRUMENT IS FURNISHED AS PART OF AN EQUIPMENT 17 / 18 PACKAGE. 18 / 18