Italy-Comi-centrifuge-control意大利离心机控制原理

1、Italy-Comi-centrifuge-control意大利离心机控制原理Italy-Comi-centrifuge-control意此PPT适用于对离心机有一定基础知识的人员使用，要想懂控制原理首要条件是懂结构和动作过程，否则应参考相关资料对离心机结构和部件做详细了解。E&M Team概述此PPT适用于对离心机有一定基础知识的人员使用，要想懂控目录 操作步骤 控制E&M Team 报警目录 操作步骤 控制E&M Team 报警步骤E&M TeamMain stepmainInerting Start main motorLoadingCentrifugationdischarge操作步骤

2、步骤E&M TeamMain stepmain操作步骤步骤E&M TeamlnertingPhase start Active 后参数自动设置Check 开阀purge valve YV1451 and vent valve YV1720Delay 1Min.O2 calibration YV1247=1移动探头 YV1245=1 吹气O2 19%, reached YV1247=0 YV1245=0 Message: PAL PALL FAL Alarms Bypassing激活PID控制 (Pressure Flow regulating)O2 检测 浓度QI1240PAL(18mbar)

3、PALL (10mbar) messageTiming 30sEnd message ( centrifuge ready变成绿色)永久钝化阶段（工作过程的钝化，重点是保压&监控）操作步骤步骤E&M TeamlnertingPhase sta步骤E&M TeamLoading/feeding（进料）Speed =setpoint 30rpmCake detector=onOpen liquid valve YV6200=1Open valve YV5102/5103=1Cake detector =readyCounting time 30m (if empty of the reactor)

4、Cake detector =reachedClose valve YV5102/5103=0Cake detector =backBlowingDrainingReloadingWashing操作步骤步骤E&M TeamLoading/feeding（进步骤E&M Team操作步骤Discharge SFCdischargeSpeed = Set point +/-30rpmDischarge SFC = startConfirm （Enable）Discharge Pipe inertisationDischarge bypass 180SOpen valve YV6000A=1Knife

5、 forward= start（speed= 15mm/s）Stand-byKnife=reached GH0263=1, holdSpeed adjust （可选）Timing（18mm/s)2.12ALM_002_02PAHH PI0021VERY HIGH PRESSURE INSIDE THE CENTRIFUGE 机体内部压力高高报(90mbar)2.23ALM_003_02VA VI0080VIBRATION TRANSMITTER FAULT 振动变送器故障2.14ALM_004_02GL GA0262KNIFE OUT OF POSITION 没有下料/清洗时：刮刀不在起点位置

6、2.15ALM_005_02GL YS0265HCR OUT OF POSITION 余料反吹装置位置错误：1、没有反吹时不在起点位置；2、反吹阀开启后还在初始位置2.16ALM_006_02ZA ZI0018CAKE DETECTOR SIGNAL FAULT 滤饼探头信号故障2.17ALM_007_02XA101HYDRAULIC UNIT THERMAL PROTECTION 油泵过载2.18ALM_008_02ZS ZA0081CENTRIFUGE UNBALANCE 离心机严重不平衡（“老鼠尾巴”动作）2.19ALM_009_02FAL FA0166LOW OIL FLOW TO F

7、RONT BEARING 润滑油流量低（前轴承）2.110ALM_010_02FAL FA0165LOW OIL FLOW TO REAR BEARING 润滑油流量低（后轴承）2.111ALM_011_02GL YS 6000SOLIDS DISCHARGE VALVE OPEN 关阀命令输出后，固体下料阀仍然开或没关到位2.112ALM_012_02GH YS 6000SOLIDS DISCHARGE VALVE CLOSED 固体下料阀关2.213ALM_013_02GL YS 6200LIQUID DISCHARGE VALVE OPEN 液体下料阀开2.114ALM_014_02GH

8、 YS 6200LIQUID DISCHARGE VALVE CLOSED 液体下料阀关2.215ALM_015_02XA04KNIFE MOTOR FREQUENCY CONVERTER FAULT 刮刀变频器报警2.216ALM_016_02PAL PA0095LOW NITROGEN PRESSURE TO THE BEARING SEAL delay 5min 唇封压力低报500mbar)2.2 报警 Alarms E&M TeamWARNING AlarmsShutdownE&M TeamSHUTDOWN ALARMSNr.Ident.TagDescriptionAction1ALM

9、_001_03XA01BASKET ROTATION MOTOR FREQUENCY CONVERTER FAULT 主马达变频器报警3.12ALM_002_03XA04KNIFE MOTOR FREQUENCY CONVERTER FAULT 刮刀变频器报警（已改为Warning）3.33ALM_003_03PAL PA0095LOW NITROGEN PRESSURE TO THE BEARING SEAL 唇封压力低报（已经延时10分钟）3.14ALM_004_03TAHH TA0163FRONT BEARING VERY HIGH TEMPERATURE 前轴承温度高高报(90/110

10、C)3.15ALM_005_03TAHH TA0164REAR BEARING VERY HIGH TEMPERATURE 后轴承温度高高报(90/110C)3.16ALM_006_03TA TA0163FRONT BEARING TEMPERATURE SIGNAL FAULT 前轴承温度信号故障(90/110C)3.17ALM_007_03TA TA0164REAR BEARING TEMPERATURE SIGNAL FAULT 后轴承温度信号故障(90/110C)3.18ALM_008_03SA SA0161BASKET SPEED SIGNAL FAULT 速度传感器信号故障3.19

11、ALM_009_03PA PI0021CENTRIFUGE PRESSURE SIGNAL FAULT 压力传感器信号故障3.110ALM_010_03QA QI1240OXIGEN SIGNAL FAULT 氧气探头信号故障3.212ALM_011_03XA102POWER FAILURE 电源故障(+delay 3s)3.1 报警 AlarmsShutdownE&M TeamS AlarmsSafety Interlock speed=0E&M TeamSAFETY INTERLOCK ALARMSNr.Ident.TagDescriptionAction1ALM_001_04GL GA0

12、090FRONT CASING OPEN 钝化或转动时：大盖打开了4.12ALM_002_04GL GA0091GL GA0092FRONT CASING LOCKING RING OPEN 钝化或转动时： 锁环打开了4.13ALM_003_04SAH SI0161OVERCOMING OF THE BASKET MAXIMUM SPEED 主电机超速4.24ALM_004_04SALL SI0161ZERO BASKET SPEED SURVEYING NOT ACTIVE OR FAULT 零速未检测到4.25ALM_005_04HS01EMERGENCY STOP 急停4.36ALM_0

13、06_04TAH TA0160BASKET ROTATION MOTOR HIGH TEMPERATURE 主马达温度过高4.17ALM_007_04TAH TA0260KNIFE MOTOR HIGH TEMPERATURE 刮刀马达温度过高4.18ALM_008_04K1MA K1MBBASKET MOTOR MAIN CONTACTORS FAILURE 主马达接触器故障4.19ALM_009_04K2MA K2MBKNIFE MOTOR CONTACTORS FAILURE 刮刀马达接触器故障4.110ALM_010_04K3MA K3MBHYDRAULIC MOTOR CONTACT

14、ORS FAILURE 油泵马达接触器故障4.1 11ALM_011_04PALL PI0021VERY LOW PRESSURE INSIDE THE CENTRIFUGE 压力低低报 (10mbar)4.4 12ALM_012_04QAHH QI1240VERY HIGH OXYGEN PERCENTAGE INSIDE THE CENTRIFUGE 氧气高高报（6%）4.413ALM_013_04XA104PRESSURE CONTROL THRESHOLDS SLEEPING FAILURE 钝化后休息时间过长（12H无动作）4.414ALM_014_04QAQI1240OXYGEN

15、ANALYSER FAULT 氧气变送器故障4.4 报警 AlarmsSafety Interlock Alarms reset复位条件MessageWarning only speed=safety speed（150rpm）Shutdown only speed=0Safety Interlock only speed=0复位方法DCS 按钮 (报警条件消除后可以复位，硬件联锁点报警后复位不了，需E&I）刮刀硬件联锁故障复位 (E&I Only) 主电机降至150rpm，刮刀接触器会断开，变频器断电，报警会一直Hold住。E&I可以短接安全PLC A61 I15-24V线标2（PLC复位D

16、O点，也就是安全PLC复位输入点）断电 (E&I Only) 注意： DP终端电阻没电可能会引起回路上的其他离心机通信故障！安全PLC复位如爆破片破裂（详见下页）E&M Team 报警 Alarms reset复位条件Alarm for E&I安全PLC故障复位步骤停电接线（新PLC装储存卡），所有I/O线连接完成短接OA0-I19 接线端子上电Diag 灯闪烁10S 后 拆除OA0-I19短接线断电上电E&M Team 报警Alarm f控制原理 P&ID图E&M Team离心机控制控制原理 P&ID图控制原理 P&ID图E&M Team离心机控制控制原理 P&ID图控制系统动力电源POWE

17、R CABINET 380V供电 主电机和刮刀带变频器控制部分DCSPLC Siemens S7-300SAFETY PLCLOCAL PANEL控制电源由UPS 220V供电E&M Team离心机控制控制系统动力电源E&M Team离心机控制控制E&M TeamRing open开锁环分两步：试开盖Open YV1720 PI0021=0 开盖Delay 7S Opened条件/联锁Speed=0(SI0161)，running=0 （EU0160A灯灰色）Pressure=0 (PI0021PALL 10mbarO2 QI1240min. （80% SP）eg.18*80%=14.4 N3

18、/H计时清零条件P PI0021QAH 3% orN2 FI1451设定值（18）的80%时 YV1451PID切换为压力控制参数Vent valve YV1720 按压力控制InertedPID控制切换Purge valve YV1451 和 Vent valve YV1720 按压力控制永久钝化监测离心机控制控制E&M TeamInerting-PID 控制 控制E&M TeamInerting-永久钝化参数监控P：PAL PALL PAH PAHHO2：QAH （3%） QAHH（6% ）N2 流量不用监控，保压良好的话FI1451=0控制PID控制的切换Normal PID SP=30

19、mbar增大N2流量PID if PAL=1 增大排气阀开度PID if PAH=1YV1720排气阀开度限定，大：60-100%，小：40-100%Bypass Valve的控制：YV1710=1最多170s if PAHH=1辅助控制阀的控制：YV1700=1 if PAHH=1离心机控制控制E&M TeamInerting-永久钝化参数监控控制E&M TeamBypass pressure monitoring 180s 允许bypass的可能（之一即可）Cycle start orInerting orDischarge solid valve YV6000 open orHCR YV

20、0265A open orVent bypass valve YV1710 open orPAHH PI0021190S之内只能请求Bypass 1次离心机控制控制E&M TeamBypass pressure m控制E&M TeamPressure controlPressure parameters设定值Purge pressure 40mbarWorking pressure 30mbarDischarge pressure 20mbarDecrement pressure 3mbar 对N2阀YV1451的压力控制设定值SP：将自动减少（即30-3=27mbar)。Increment

21、pressure 3mbar 对排气阀YV1720的压力控制设定值SP：将自动增加（即30+3=33mbar)。 此举将设定点错开，避免两个阀同时动作频繁，增加压力控制系统的稳定性。PAL 18mbarPALL 10mbarPAH 60mbarPAHH 90mbar离心机控制控制E&M TeamPressure controlP控制E&M TeamPressure control回顾PID图，注意：正常控制时，辅助阀YV1700是关闭的，N2的排放不是走捷径，而是要通过母液下料管，再通过接收罐T01的气相管与排气控制阀YV1720连接，进行压力调节。Pressure 控制Working pre

22、ssure Normal PIDPAL （18mbar) PID switch to more flow of YV1451PALL (3%) YV1451=fixed opening YV1720按压力控制QAHH 6% interlockedDischarge alarms bypass 180SHCR aux. valve YV1700=1, bypass valve YV1710=1，YV6000=0防止破袋, HCR valve YV1400 and YV1710脉冲开启Stop YV1451=0, YV1720=1 open 离心机控制控制E&M TeamPressure cont

23、rol回控制E&M TeamLip sealYV1420 open条件Alarm=0Inerting purge valve open orSpeed 0Alarm 唇封压力低报PA00951150*1.05 rpm)P PALL (10mbar)O2 QAHH (6%)Centrifuge motor high temperature（110C)Very high vibrations (18mm/s)Frequency converter fault (外电瞬时波动，就有报警，所以会塌料）离心机控制控制E&M TeamBasket speed cont控制E&M TeamOil PumpS

24、tart 条件Safety interlock=0Motor=on orSpeed 0Stop 步骤Motor offSpeed=0Timing 60s离心机控制控制E&M TeamOil PumpStart 条件离控制E&M TeamSolid valveOpen 启动条件Safe interlock =0, shutdown alarm=0 Close valve DB101.DBX1.4=0DB101.DBX1.3=1PALL=0Speed30rpm，running=1 (SI0161)先Discharge pipe inertisation=OK (钝化过程由DCS控制）Dischar

25、ge /CIP active=1点击YV6000D=on同时output: Bypass request DB101.DBX0.3=1 set 3sBypass short =1 （PLC to DCS DB100.DBX35.5=1 )Discharge bypass 180s=active DB101.DBX1.3=1（自动）即YV6000自动开启再次开阀：DCS 画面按钮 YV6000 延时190s之后 离心机控制控制E&M TeamSolid valveOpen 启控制E&M TeamSolid valveClose启动条件DB101.DBX1.3=0YV6000D on=0 orBy

26、pass short =0 （PLC to DCS DB100.DBX35.5=0 延时180S) orDischarge /CIP active=0DB101.DBX1.4=1离心机控制控制E&M TeamSolid valveClose启控制E&M Teamknife联锁跳停的条件要全部满足（见下页）进刀 条件Alarm-interlock=0刀不在终位 I0.5=0 (GA0263灰色)Discharge/CIP=active（前提Discharge pipe inertisation=OK） YV6000=open (注：DCS的interlock条件) DB101.DBX0.6=1or 下料时：刀离开了初位，点击退刀， 这时刮刀也会前进退刀 条件Alarm-interlock=0刀不在初位 I0.4=0 (GA0262灰色) Di