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1、窗体顶部 LINE SERVICE IDENTIFICATION 窗体底部 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 COND
2、ENSATE 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
3、 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
4、 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 SYSTE
5、MS 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
6、 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
7、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
8、 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
9、 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 FLG FLANGE 法兰 LC LOCKED CLOSED 锁定关闭 LO LOCKED OPEN
10、 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 连接冷却器得取样点 SOR START OF RUN
11、 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
12、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 REPONSIBILIT
13、Y 责任分界点 MISCELLANEOUS ITEMS 各种细节 ROD OUT CONNECTION CLEAN OUT CONNECTION (FLUSHING) 清理接口(冲洗) REMOVABLE SPOOL 可拆除短管 NOZZLE OR PIPE WITH BLIND FLANGE 带盲法兰得喷嘴或管线 SPACER FOR BLIND 盲管位置 NORMALLY CLOSED 正常情况下关闭 NORMALLY OPEN 正常情况下打开 FIGURE B B 图 REVERSIBLE BLIND 8字盲
14、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-STRAINER T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
15、 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 SECT
16、ION 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 BALL VALVE 球阀 CHECK VALVE 止逆阀 STOP CHECK VALVE(BOILER NON-RETURN VALVE) 带
17、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 VALVE R型阀 T-TYPE GLOBE VALVE T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
18、速开关阀 VALVE WITH BODY CAVITY RELIEF OR BODY BLEED CONNECTION 带有排放阀得阀门 DAMPER 挡板 APPROPRIATE ABBREVIATION 合适得缩写 SLIDE GATE VALVE 滑动闸阀 EQUIPMENT IDENTIFACATION 设备符号 SUPPLIED WITH VENDOR EQUIPMENT 供应商提供得设备 SPARE(A,B,C,ETC USED IF PARALLEL UNITS) 同一设备得编号 SEQUENCE NUMBE
19、R 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 特殊管项与各种设备 ALL PIPING SPECIALTY ITEMS ARE IDENTIFIED 所有特殊管
20、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 负呀总管 ATOMPHERIC VENT WITH WEATHER CAP 防雨放空管 DUPLEX STRAINER 相同得过滤器 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
21、 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 带监视器得消防栓 FIRE HYDRANT WITH PUPPER CONNECTION 消防栓 HOSE HOUSE 消防箱 VALVE
22、 WITH INDICATOR POST 带指示得阀 MONITOR 监视器 EM IF ELEVATED 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 PRESSOR 压缩机 SIN
23、GLE STAGE RECIPROCATING MULTI-STAGE RECIPROCATING CENTRIFUGAL 离心式 ROTARY 旋转式 BLOWER FAN 鼓风机 BLOWER (PFD ONLY ALL TYPES) 鼓风机 PRESSOR (PFD ONLY) 压缩机 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 相应得缩写 A AIR
24、 空气 D DIESEL 柴油 H HYDRAULIC 水力得 M ELECTRIC 电气得 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
25、 HEAT EXCHANGER 垂直式管壳式换热器 SINGEL SECTION DOUBLE PIPE EXCHANGER TWO SECTION DOUBLE PIPE EXCHANGER AIR COOLER 空冷器 AIR COOLER (PFD ONLY) 空冷器 KETTLE TYPE REBOILER OR STEAM GENERATOR KETTLE TYPE EXCHANGER (PFD ONLY) GRAPHITE BLOCK TYPE EXCHANGER PLATE EXCHANGER DRAWING
26、 IDENTIFICATION 图形说明 REVISION NO、 修订号 DRAWING NO、 图号 AREA NO、 区号 JOB NO、 工号 DRAWING SIZE VESSELS AND FURNACES 容器与炉子 FLOATING ROOF TANK 浮顶罐 CONE ROOF TANK WITH INTERNAL COIL 带内盘管锥型顶罐 COLUMN 柱型 PACKING INTERNAL BAFFLE VORTEX BREAKER 旋风分离器 CABIN TYPE HEATER W
27、ITH EXTERNAL CROSS-OVERS HORIZONAL TYPE HEATER WITH INTERNAL CROSSOVERS 内部有交叉得水平加热管 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
28、 M DUAL SERVICE INSULATION P PERSONNEL PROTECTION 防护人员 S SPECIAL 特殊得 T STEAM TRACING V ACOUSTICAL 听力得 BREAK OF RESPONSIBILITY SYMBOL FOR LOCATION OF TIE-IN POINT CONNECTED U NEW ETHYLENE STORAGE AREA 乙烯新区得 V
29、OSBL (ON NORTH SIDE RACK) 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
30、 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
31、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 3. THE CONTROL VALVE AS
32、SEMBLY WILL HAVE A 3/4＂ DRAIN VALVE LOCATED ON THE UPSTREAM SIDE OF THE CONTROL VALVE 在调节阀得上游应有一个3/4英寸得就地排放阀。 、 4. VESSEL INTERNALS, FURNACE COILS , HEADERS, AND MANIFOLDS ARE SHOWN TO THE EXTENT REQUIRED FOR CLARITY、 容器内部、炉管等在必要得地方标明。 5. ALLOWANCE IS TO BE
33、 MADE FOR TEMPORARY STRAINERS IN SUCTION LINES OF ALL PUMPS AND PRESSOR 1 1/2＂ AND LARGER 、 ＂Y＂TYPE STRAINERS ARE TO BE PROVIDED IN SUCTION LINES 1 1/2＂ AND SMALLER、、 在所有泵、压缩机得吸入管线上均装有1 1/2＂或更大得临时过滤器,＂Y＂型过滤器则被装在1 1/2＂或更小得管线上。 6. ＇TO ATM AT SAFE LOCATION＇MEANS
34、 3000mm ABOVE ANY PLATFORM OR STAIRWAY WITHIN AN 8000mm RADIUS、 7. 9mm WEEP HOLE SHALL BE PROVIDED IN LOW POINTS OF RELIEF VALVE DISCHARGES VENTING TO ATMOSPHERE、 在排大气阀得低点有一个9mm得孔来排出液体。 8. BATTERY LIMIT OR ROOT VALVES ARE NOT NECESSARILY SHOWN ON PROCESS P&IDS、
35、 THESE SHOWN BE SHOWN AS REQUIRED ON DISTRIBUTION AND/OR UTILITY P&IDS DURING DETAILED DESIGN、 界区阀与根部阀在工艺流程图中不一定有,但在公用工程得P&IDS图中会有详细资料。 9. PUMP SEAL FLUSHES AND COOLING DETAILS TO BE PROVIDED BY DETAILED ENGINEERING CONTRACTOR、 FOR SPECIAL REQUIREMENTS, SEE PUMP DATA
36、 SHEETS OR SCHEDULES、 泵得密封与冷却系统由工程承包商提供,有特殊要求请查瞧泵得曲线与表。 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、 11、 BLOCK VALVES FOR
37、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、 所有得马达运行信号不被显示。 LINE DESIGATIONS CONNECTION TO PROCESS, MECHANICAL LINE OR INSTRUMENT INPUT
38、 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 (
39、LINE SERVICE IDENTIFICATION OR AS NOTED) TEMPERATURE INSTRUMENTS SINGLE THERMOCOUPLE, RTD, GAUGE OR WELL, *** - RTD (IF RESISTANCE TEMPERATURE DETECTOR) DUPLEX THERMOCOUPLE IN ONE WELL MULTI-ELEMENT THERMOCOUPLE FOR DIFFERENT ELEVATIONS OR ZONES (INDICATE FIRST AND
40、 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 PRESSU
41、RE 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 VACUUM RELIEF RUPTURE DISK FLOW INSTRUMENTS 流量计 ORIFICE PLATE
42、 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 I
43、N-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 BUBBLE TYPE LEVEL INSTRUMENT RADIATION OR SONIC LEVEL INSTRUMENT FLOAT AND TAPE TYPE LEVEL INDICATOR OR
44、TRANSMITTER FOR STORAGE TANKS OTHER LEVEL INSTRUMENTS SPECIFY TYPE OUTSIDE BUBBLE LEVEL REGULATOR WITH MECHANICAL LINKAGE CONTROL VALVES 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) 其她得(在下
45、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 SPRING AND DIAPHRAGM 弹簧与隔膜 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 手轮
46、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) VAL
47、VE 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 MISCELLA
48、NEOUS ITEMS 各种 INLINE INSTRUMENTS 在线仪表 FLAME ARRESTOR CONTINUOUS DRAINER OPTIONAL VENT LINE EXCESS FLOW VALVE PROCESS STEAM TRAP ANALYZER ANALYTICAL PONENT OR PHYSICAL PROPERTY PURGING DETAIL DIAPHRAGM SEALS PIPED CONNECTION FLUSH MOUNTED TRACING CONVENTIONAL IN
49、STRUMENTATION DIGITAL INSTRUMENTATION PUSHBOTTON , SWITCHES & LIGHTS INDICATING LIGHT PUSHBOTTON PUSHBOTTON WITH LIGHT SWITCH SWITCH WITH LIGHT(LIGHT INCLUDED FOR EACH PUSHBUTTON FUNCTION) HIGH/LOW OPEN/CLOSE LIGHT DESIGNATION MEASURED VARIABLE FUNCTION BYP BY PASS
50、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 2. THE INSTRUMENTATION REPRESENTATION ON P&I FLOW DIAGRAMS, IN GENERAL , CONSISTS OF A SINGLE OR SEVERAL BALOONS
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