Italy-Comi-centrifuge-control意大利離心機(jī)控制原理

1、Italy-Comi-centrifuge-control意大利離心機(jī)控制原理Italy-Comi-centrifuge-control意此PPT適用于對(duì)離心機(jī)有一定基礎(chǔ)知識(shí)的人員使用，要想懂控制原理首要條件是懂結(jié)構(gòu)和動(dòng)作過(guò)程，否則應(yīng)參考相關(guān)資料對(duì)離心機(jī)結(jié)構(gòu)和部件做詳細(xì)了解。E&M Team概述此PPT適用于對(duì)離心機(jī)有一定基礎(chǔ)知識(shí)的人員使用，要想懂控目錄 操作步驟 控制E&M Team 報(bào)警目錄 操作步驟 控制E&M Team 報(bào)警步驟E&M TeamMain stepmainInerting Start main motorLoadingCentrifugationdischarge操作步驟

2、步驟E&M TeamMain stepmain操作步驟步驟E&M TeamlnertingPhase start Active 后參數(shù)自動(dòng)設(shè)置Check 開(kāi)閥purge valve YV1451 and vent valve YV1720Delay 1Min.O2 calibration YV1247=1移動(dòng)探頭 YV1245=1 吹氣O2 19%, reached YV1247=0 YV1245=0 Message: PAL PALL FAL Alarms Bypassing激活PID控制 (Pressure Flow regulating)O2 檢測(cè) 濃度QI1240PAL(18mbar)

3、PALL (10mbar) messageTiming 30sEnd message ( centrifuge ready變成綠色)永久鈍化階段（工作過(guò)程的鈍化，重點(diǎn)是保壓&監(jiān)控）操作步驟步驟E&M TeamlnertingPhase sta步驟E&M TeamLoading/feeding（進(jìn)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操作步驟步驟E&M TeamLoading/feeding（進(jìn)步驟E&M Team操作步驟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 （可選）Timing（18mm/s)2.12ALM_002_02PAHH PI0021VERY HIGH PRESSURE INSIDE THE CENTRIFUGE 機(jī)體內(nèi)部壓力高高報(bào)(90mbar)2.23ALM_003_02VA VI0080VIBRATION TRANSMITTER FAULT 振動(dòng)變送器故障2.14ALM_004_02GL GA0262KNIFE OUT OF POSITION 沒(méi)有下料/清洗時(shí)：刮刀不在起點(diǎn)位置

6、2.15ALM_005_02GL YS0265HCR OUT OF POSITION 余料反吹裝置位置錯(cuò)誤：1、沒(méi)有反吹時(shí)不在起點(diǎn)位置；2、反吹閥開(kāi)啟后還在初始位置2.16ALM_006_02ZA ZI0018CAKE DETECTOR SIGNAL FAULT 濾餅探頭信號(hào)故障2.17ALM_007_02XA101HYDRAULIC UNIT THERMAL PROTECTION 油泵過(guò)載2.18ALM_008_02ZS ZA0081CENTRIFUGE UNBALANCE 離心機(jī)嚴(yán)重不平衡（“老鼠尾巴”動(dòng)作）2.19ALM_009_02FAL FA0166LOW OIL FLOW TO F

7、RONT BEARING 潤(rùn)滑油流量低（前軸承）2.110ALM_010_02FAL FA0165LOW OIL FLOW TO REAR BEARING 潤(rùn)滑油流量低（后軸承）2.111ALM_011_02GL YS 6000SOLIDS DISCHARGE VALVE OPEN 關(guān)閥命令輸出后，固體下料閥仍然開(kāi)或沒(méi)關(guān)到位2.112ALM_012_02GH YS 6000SOLIDS DISCHARGE VALVE CLOSED 固體下料閥關(guān)2.213ALM_013_02GL YS 6200LIQUID DISCHARGE VALVE OPEN 液體下料閥開(kāi)2.114ALM_014_02GH

8、 YS 6200LIQUID DISCHARGE VALVE CLOSED 液體下料閥關(guān)2.215ALM_015_02XA04KNIFE MOTOR FREQUENCY CONVERTER FAULT 刮刀變頻器報(bào)警2.216ALM_016_02PAL PA0095LOW NITROGEN PRESSURE TO THE BEARING SEAL delay 5min 唇封壓力低報(bào)500mbar)2.2 報(bào)警 Alarms E&M TeamWARNING AlarmsShutdownE&M TeamSHUTDOWN ALARMSNr.Ident.TagDescriptionAction1ALM

9、_001_03XA01BASKET ROTATION MOTOR FREQUENCY CONVERTER FAULT 主馬達(dá)變頻器報(bào)警3.12ALM_002_03XA04KNIFE MOTOR FREQUENCY CONVERTER FAULT 刮刀變頻器報(bào)警（已改為Warning）3.33ALM_003_03PAL PA0095LOW NITROGEN PRESSURE TO THE BEARING SEAL 唇封壓力低報(bào)（已經(jīng)延時(shí)10分鐘）3.14ALM_004_03TAHH TA0163FRONT BEARING VERY HIGH TEMPERATURE 前軸承溫度高高報(bào)(90/110

10、C)3.15ALM_005_03TAHH TA0164REAR BEARING VERY HIGH TEMPERATURE 后軸承溫度高高報(bào)(90/110C)3.16ALM_006_03TA TA0163FRONT BEARING TEMPERATURE SIGNAL FAULT 前軸承溫度信號(hào)故障(90/110C)3.17ALM_007_03TA TA0164REAR BEARING TEMPERATURE SIGNAL FAULT 后軸承溫度信號(hào)故障(90/110C)3.18ALM_008_03SA SA0161BASKET SPEED SIGNAL FAULT 速度傳感器信號(hào)故障3.19

11、ALM_009_03PA PI0021CENTRIFUGE PRESSURE SIGNAL FAULT 壓力傳感器信號(hào)故障3.110ALM_010_03QA QI1240OXIGEN SIGNAL FAULT 氧氣探頭信號(hào)故障3.212ALM_011_03XA102POWER FAILURE 電源故障(+delay 3s)3.1 報(bào)警 AlarmsShutdownE&M TeamS AlarmsSafety Interlock speed=0E&M TeamSAFETY INTERLOCK ALARMSNr.Ident.TagDescriptionAction1ALM_001_04GL GA0

12、090FRONT CASING OPEN 鈍化或轉(zhuǎn)動(dòng)時(shí)：大蓋打開(kāi)了4.12ALM_002_04GL GA0091GL GA0092FRONT CASING LOCKING RING OPEN 鈍化或轉(zhuǎn)動(dòng)時(shí)： 鎖環(huán)打開(kāi)了4.13ALM_003_04SAH SI0161OVERCOMING OF THE BASKET MAXIMUM SPEED 主電機(jī)超速4.24ALM_004_04SALL SI0161ZERO BASKET SPEED SURVEYING NOT ACTIVE OR FAULT 零速未檢測(cè)到4.25ALM_005_04HS01EMERGENCY STOP 急停4.36ALM_0

13、06_04TAH TA0160BASKET ROTATION MOTOR HIGH TEMPERATURE 主馬達(dá)溫度過(guò)高4.17ALM_007_04TAH TA0260KNIFE MOTOR HIGH TEMPERATURE 刮刀馬達(dá)溫度過(guò)高4.18ALM_008_04K1MA K1MBBASKET MOTOR MAIN CONTACTORS FAILURE 主馬達(dá)接觸器故障4.19ALM_009_04K2MA K2MBKNIFE MOTOR CONTACTORS FAILURE 刮刀馬達(dá)接觸器故障4.110ALM_010_04K3MA K3MBHYDRAULIC MOTOR CONTACT

14、ORS FAILURE 油泵馬達(dá)接觸器故障4.1 11ALM_011_04PALL PI0021VERY LOW PRESSURE INSIDE THE CENTRIFUGE 壓力低低報(bào) (10mbar)4.4 12ALM_012_04QAHH QI1240VERY HIGH OXYGEN PERCENTAGE INSIDE THE CENTRIFUGE 氧氣高高報(bào)（6%）4.413ALM_013_04XA104PRESSURE CONTROL THRESHOLDS SLEEPING FAILURE 鈍化后休息時(shí)間過(guò)長(zhǎng)（12H無(wú)動(dòng)作）4.414ALM_014_04QAQI1240OXYGEN

15、ANALYSER FAULT 氧氣變送器故障4.4 報(bào)警 AlarmsSafety Interlock Alarms reset復(fù)位條件MessageWarning only speed=safety speed（150rpm）Shutdown only speed=0Safety Interlock only speed=0復(fù)位方法DCS 按鈕 (報(bào)警條件消除后可以復(fù)位，硬件聯(lián)鎖點(diǎn)報(bào)警后復(fù)位不了，需E&I）刮刀硬件聯(lián)鎖故障復(fù)位 (E&I Only) 主電機(jī)降至150rpm，刮刀接觸器會(huì)斷開(kāi)，變頻器斷電，報(bào)警會(huì)一直Hold住。E&I可以短接安全PLC A61 I15-24V線標(biāo)2（PLC復(fù)位D

16、O點(diǎn)，也就是安全PLC復(fù)位輸入點(diǎn)）斷電 (E&I Only) 注意： DP終端電阻沒(méi)電可能會(huì)引起回路上的其他離心機(jī)通信故障！安全PLC復(fù)位如爆破片破裂（詳見(jiàn)下頁(yè)）E&M Team 報(bào)警 Alarms reset復(fù)位條件Alarm for E&I安全PLC故障復(fù)位步驟停電接線（新PLC裝儲(chǔ)存卡），所有I/O線連接完成短接OA0-I19 接線端子上電Diag 燈閃爍10S 后 拆除OA0-I19短接線斷電上電E&M Team 報(bào)警Alarm f控制原理 P&ID圖E&M Team離心機(jī)控制控制原理 P&ID圖控制原理 P&ID圖E&M Team離心機(jī)控制控制原理 P&ID圖控制系統(tǒng)動(dòng)力電源POWE

17、R CABINET 380V供電 主電機(jī)和刮刀帶變頻器控制部分DCSPLC Siemens S7-300SAFETY PLCLOCAL PANEL控制電源由UPS 220V供電E&M Team離心機(jī)控制控制系統(tǒng)動(dòng)力電源E&M Team離心機(jī)控制控制E&M TeamRing open開(kāi)鎖環(huán)分兩步：試開(kāi)蓋Open YV1720 PI0021=0 開(kāi)蓋Delay 7S Opened條件/聯(lián)鎖Speed=0(SI0161)，running=0 （EU0160A燈灰色）Pressure=0 (PI0021PALL 10mbarO2 QI1240min. （80% SP）eg.18*80%=14.4 N3

18、/H計(jì)時(shí)清零條件P PI0021QAH 3% orN2 FI1451設(shè)定值（18）的80%時(shí) YV1451PID切換為壓力控制參數(shù)Vent valve YV1720 按壓力控制InertedPID控制切換Purge valve YV1451 和 Vent valve YV1720 按壓力控制永久鈍化監(jiān)測(cè)離心機(jī)控制控制E&M TeamInerting-PID 控制 控制E&M TeamInerting-永久鈍化參數(shù)監(jiān)控P：PAL PALL PAH PAHHO2：QAH （3%） QAHH（6% ）N2 流量不用監(jiān)控，保壓良好的話FI1451=0控制PID控制的切換Normal PID SP=30

19、mbar增大N2流量PID if PAL=1 增大排氣閥開(kāi)度PID if PAH=1YV1720排氣閥開(kāi)度限定，大：60-100%，?。?0-100%Bypass Valve的控制：YV1710=1最多170s if PAHH=1輔助控制閥的控制：YV1700=1 if PAHH=1離心機(jī)控制控制E&M TeamInerting-永久鈍化參數(shù)監(jiān)控控制E&M TeamBypass pressure monitoring 180s 允許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之內(nèi)只能請(qǐng)求Bypass 1次離心機(jī)控制控制E&M TeamBypass pressure m控制E&M TeamPressure controlPressure parameters設(shè)定值Purge pressure 40mbarWorking pressure 30mbarDischarge pressure 20mbarDecrement pressure 3mbar 對(duì)N2閥YV1451的壓力控制設(shè)定值SP：將自動(dòng)減少（即30-3=27mbar)。Increment

21、pressure 3mbar 對(duì)排氣閥YV1720的壓力控制設(shè)定值SP：將自動(dòng)增加（即30+3=33mbar)。 此舉將設(shè)定點(diǎn)錯(cuò)開(kāi)，避免兩個(gè)閥同時(shí)動(dòng)作頻繁，增加壓力控制系統(tǒng)的穩(wěn)定性。PAL 18mbarPALL 10mbarPAH 60mbarPAHH 90mbar離心機(jī)控制控制E&M TeamPressure controlP控制E&M TeamPressure control回顧PID圖，注意：正?？刂茣r(shí)，輔助閥YV1700是關(guān)閉的，N2的排放不是走捷徑，而是要通過(guò)母液下料管，再通過(guò)接收罐T01的氣相管與排氣控制閥YV1720連接，進(jìn)行壓力調(diào)節(jié)。Pressure 控制Working pre

22、ssure Normal PIDPAL （18mbar) PID switch to more flow of YV1451PALL (3%) YV1451=fixed opening YV1720按壓力控制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脈沖開(kāi)啟Stop YV1451=0, YV1720=1 open 離心機(jī)控制控制E&M TeamPressure cont

23、rol回控制E&M TeamLip sealYV1420 open條件Alarm=0Inerting purge valve open orSpeed 0Alarm 唇封壓力低報(bào)PA00951150*1.05 rpm)P PALL (10mbar)O2 QAHH (6%)Centrifuge motor high temperature（110C)Very high vibrations (18mm/s)Frequency converter fault (外電瞬時(shí)波動(dòng)，就有報(bào)警，所以會(huì)塌料）離心機(jī)控制控制E&M TeamBasket speed cont控制E&M TeamOil PumpS

24、tart 條件Safety interlock=0Motor=on orSpeed 0Stop 步驟Motor offSpeed=0Timing 60s離心機(jī)控制控制E&M TeamOil PumpStart 條件離控制E&M TeamSolid valveOpen 啟動(dòng)條件Safe interlock =0, shutdown alarm=0 Close valve DB101.DBX1.4=0DB101.DBX1.3=1PALL=0Speed30rpm，running=1 (SI0161)先Discharge pipe inertisation=OK (鈍化過(guò)程由DCS控制）Dischar

25、ge /CIP active=1點(diǎn)擊YV6000D=on同時(shí)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（自動(dòng)）即YV6000自動(dòng)開(kāi)啟再次開(kāi)閥：DCS 畫(huà)面按鈕 YV6000 延時(shí)190s之后 離心機(jī)控制控制E&M TeamSolid valveOpen 啟控制E&M TeamSolid valveClose啟動(dòng)條件DB101.DBX1.3=0YV6000D on=0 orBy

26、pass short =0 （PLC to DCS DB100.DBX35.5=0 延時(shí)180S) orDischarge /CIP active=0DB101.DBX1.4=1離心機(jī)控制控制E&M TeamSolid valveClose啟控制E&M Teamknife聯(lián)鎖跳停的條件要全部滿足（見(jiàn)下頁(yè)）進(jìn)刀 條件Alarm-interlock=0刀不在終位 I0.5=0 (GA0263灰色)Discharge/CIP=active（前提Discharge pipe inertisation=OK） YV6000=open (注：DCS的interlock條件) DB101.DBX0.6=1or 下料時(shí)：刀離開(kāi)了初位，點(diǎn)擊退刀， 這時(shí)刮刀也會(huì)前進(jìn)退刀 條件Alarm-interlock=0刀不在初位 I0.4=0 (GA0262灰色) Di