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1756-EWEB
發(fā)布者:fzjfx0001  發(fā)布時(shí)間:2019-08-16 20:24:15

1756-EWEB現(xiàn)貨 in stock! 歡迎來電咨詢~?。?/p>

1756-EWEB


一、系統(tǒng)描述
  醋酸乙烯是一種十分重要的工業(yè)原料,其市場(chǎng)非常廣闊.它的生產(chǎn)過程主要分為兩個(gè)大的過程: 合成和精餾.前者是發(fā)生化學(xué)反映生成醋酸乙烯的過程, 后者則是將生成的醋酸乙烯通過學(xué),物理過程來進(jìn)行提純.其工藝流程圖如下:
 2、本工藝的特點(diǎn)和難點(diǎn)
  醋酸乙烯的生產(chǎn)是個(gè)塔體非常多的系統(tǒng),調(diào)節(jié)回路眾多,系統(tǒng)的關(guān)聯(lián)性非常強(qiáng),一個(gè)參數(shù)的控制的好壞直接影響到其他參數(shù)的控制的成敗.一個(gè)系統(tǒng)的波動(dòng)可能帶垮整個(gè)系統(tǒng).,因?yàn)槠洚a(chǎn)品醋酸乙烯的濃度要求非常高,達(dá)到99.9%以上,因此對(duì)反應(yīng)溫度,以及流量等參數(shù)的控制要求非常平穩(wěn),合成反應(yīng)器的中溫要求170正負(fù)0.5度,醋酸蒸發(fā)器液位要求達(dá)到正負(fù)1%,還有乙炔的流量非常不穩(wěn)定,可控性不太好.這些都對(duì)控制的精度提出了很高的要求.
  3、工藝對(duì)控制系統(tǒng)的要求
  a、實(shí)現(xiàn)各個(gè)單元操作的集中監(jiān)控,包括:溫度、壓力、流量、液位等物理量的監(jiān)測(cè)與控制。動(dòng)態(tài)參數(shù)檢測(cè)、控制必須準(zhǔn)確、可靠。合成反應(yīng)器的中溫要求170正負(fù)0.5度,醋酸蒸發(fā)器液位要求達(dá)到正負(fù)1%,
  b、必要的遙控措施,對(duì)突發(fā)事件如停電等,系統(tǒng)應(yīng)采取相應(yīng)的保護(hù)措施,確保在緊急情況下或需要的時(shí)候?qū)σ恍╆P(guān)鍵的控制點(diǎn)(閥門、馬達(dá)等)實(shí)施遙控。
  c、配置必要的報(bào)警和聯(lián)鎖。
  d、重要參數(shù)的記錄和方便地查閱其實(shí)時(shí)趨勢(shì)和歷史趨勢(shì)。
  e、可隨時(shí)監(jiān)測(cè)有關(guān)單元的有關(guān)參數(shù)或重要設(shè)備的運(yùn)行情況。
  f、控制系統(tǒng)操作簡單,參數(shù)設(shè)置、調(diào)整方便,便于操作,人性化的操作界面。
  g、操作員站顯示整個(gè)生產(chǎn)工藝流程,修改和打印各種有關(guān)參數(shù)。
 2、FB-2000NS系統(tǒng)硬件配置
  本控制系統(tǒng)采用了三個(gè)監(jiān)控站,和兩個(gè)現(xiàn)場(chǎng)控制站.穩(wěn)定性.兩個(gè)現(xiàn)場(chǎng)控制站也采取了熱備用冗余,任何一個(gè)出現(xiàn)了故障,自動(dòng)切換到另外一個(gè)上正常運(yùn)行.也增加了系統(tǒng)的可靠性和穩(wěn)定性.所有的模擬量輸出都采取了熱備用,還有重要的顯示參數(shù)也都采取了熱備用..所有的模擬量都采取了和現(xiàn)場(chǎng)信號(hào)的光電隔離,所有的現(xiàn)場(chǎng)信號(hào)均通過了安全柵隔離. DCS的硬件配置如下: FB-2001NS -4塊,FB-2005NS-3塊,FB-2010NS 16塊 ,FB-2020NS 28塊, FB-2030NS 1塊 ,FB-2040NS-4塊 FB-SC20NS/R14塊,FB-SC14NS/R-4塊,FB-SCNS14-8塊.FB-SC30NS1塊. FB-SC42NS-4塊.另外,報(bào)表打印機(jī)一臺(tái)。

Adept Tech 10330-11350 or 30330-11351 #7625

A20B-0008-041 FANUC ELECTRONIC CIRCUIT BOARD REMANUFACTURED

(O1-7) 1 ABB DCS502B0200-51-21P2000 DRIVE O1-7

KUKA 001-034-92 USPP 00103492

ULTRA SONIC SEAL A20 USPP A20

CLEVELAND MOTION CONTROL E6A0110A1A0E10R NSPP E6A0110A1A0E10R

ALLEN BRADLEY 150-A97NA-ND USPP 150A97NAND

MITSUBISHI A6PHP-115UL USPP A6PHP115UL

SIEMENS 6ES5-982-1AA11 USPP 6ES59821AA11

ROBICON 454902.2 USPP 4549022

VARIAN VZU-6991E4 USPP VZU6991E4

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Siemens CONTROLLER CARD 6ES5300-5CA11

SIEMENS 6ES5-453-7LA11/6ES5453-7LA11 DIGITAL OUTPUT MODULE XLNT

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Square D 8030 GRK-210

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Whirlwind DS168T/R Digital Snake System16X8

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Schneider Modicon AS-BZAE-204High Speed Counter ASBZAE204

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Schneider Modicon DAP 220/ AS-BDAP-220 OUTPUT MODULE 24VDC 8INPUT

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SIEMENS 6ES7-321-1BL00-0AA0 INPUT MODULE SM321 32xDC24V 6ES73211BL000AA0

SCHNEIDER DISCRETE VDC/VAC OUTPUT DAP 218/AS-BDAP-218

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ALLENBRADLEYPV6002711-B6C22711B6C2NIB

Allen-Bradley - 2711-NM11

ABB Contactor AF400-30 600V 550A WITH ABB SACE S6N AG06117356Trip Unit Breaker

ADEPT TECH Robot Controller Chassis PA-4

(50) BRAND JCA48-4111B1 RFAmplifiers 4-8.6GHz 34dB C-band with Test Data

INDRAMAT MAC-112D-0-FD-3-C/130-A-//1 NSPP MAC112D0FD3C130A

TRICONEX 3005 USPP 3005

FANUC A06B-6050-C401 USPP A06B6050C401

DENEX 51L2010 NSFP 51L2010

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1756-EWEB

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Siemens 6SC6120-0FE00

MILLIPORE PCB INTERFACE MODULE INGN2SP44

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Reliance 0-52860-2

Schneider Modicon AS-884A-201/AS884A201

Schneider Modicon AS-B230-501

Schneider Modicon AS-P810-001 NSPP ASP810001

Schneider Modicon AS-B805-016 USPP ASB805016

Schneider Modicon AS-B351

Modicon Panelmate plus AEG pa-0616-000 pa-0603-040 MM-PMC1400C Display

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Advantech ADAM-4080 Counter/Frequency Input NIB

Allen-Bradley 1771-OZL 0-24V Contact Output Module

ABB ACS 600 PN ACS601-0040-4-000B1200801 380-500VAC 40HP DRIVE ACS60100404000B1

ACTUS POWER NPSA-102M4-E9BS NSPP NPSA102M4E9BS

6ES7412-1XF04-0AB0 Brand , Factory Sealed,

90 .

SKALTEK DCD-120-4K USPP DCD1204K

BRANSON 920BCA USPP 920BCA

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MODICON AS-S911-801 NSFP ASS911801

KLOCKNER MOELLER DIL8-22-110V50HZ-120V60HZ NSFP DIL822110V50HZ12

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Siemens Simatic S7-200 CPU214 6ES7214-1AC01-0XB0 PLC

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HP J8735A ProCurve Switch FL 10-Ports 100/1000-T Interface Module

XPRESSKIT DBALL DATA ALL INTERFACE MULTI MODULE DEI BYPASS MODULE

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Omron C500-II001

Schneider Modicon AS-BDEP-218 PLC

Schneider Modicon AS-185A-000 NSFP AS185A000

Schneider Modicon AS-J810-000 INTERFACE MODULE ASJ810000

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Schneider Modicon /AS-J347-001 Modbus Interface Module UVG

SLC 500 Analog Input Module 1746-NI4

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ALLEN-BRADLEY 77131-107-02 Lamp Base Real Part

ABB 3ADT209018R0001 SERVO DRIVE

ACCURAY 061552-001 USPP 061552001

A06B-6076-H101 FANUC SERVO AMPLIFIER

800 WATT RSE SIERRA SWITCHGEAR COMMERCIAL SWITCHBOARD ELECTRIC PANNEL

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ALLEN BRADLEY 8520-DSP-EXEC1-L15S USPP 8520DSPEXEC1L15S

ALLEN BRADLEY 6180-EILEGFZZECZ USPP 6180EILEGFZZECZ

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GENERAL ELECTRIC SKPA36AT0800 USPP SKPA36AT0800

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MSA 487705 NSPP 487705

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Schneider Modicon AS-BDAU-204 SEALED BOX Compact Analog OUT ASBDAU204

Schneider Modicon AS-C484-164 USPP ASC484164

Schneider Modicon AS-J375-010

Schneider Modicon AS-B803-008 ASB803008

Schneider Modicon IO1100 I/O MODULE AS-B100-000

Schneider Telemecanique TWDAM12HT

Schneider 140DDI35300 Input Module 140-DDI-353-00 32pt E46C ABC3241

PVDM3-128 CISCO 128-CHANNEL HIGH-DENSITY VOICE AND VIDEO DSP MODULE

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SIEMENS MOORE PRODUCTS 15799-266-3 RAM CARD NNB

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53033930 Stahlwille STW393N Multipower 20 to 1 Spare

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A06B-0148-B188#0008 FANUC SERVO MOTORS REMANUFACTURED

700' Syracuse aluminum urd 2/0-2/0-2/0-1 direct burial qudplx wire

POWERTEC INDUSTRIAL MOTORS INC C0202-S4CH099 USPP C0202S4CH099

ALLEN BRADLEY 1784-T30C USPP 1784T30C

ALLEN BRADLEY 1336S-C015-AA-EN4-HAZ USPP 1336SC015AAEN4HA

GENERAL ELECTRIC DS3800HSQD1J1E USPP DS3800HSQD1J1E

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Robotron 503-1-0324-16 5031032416 I/O Module No Box

Telemecanique TSXLES65

SIEMENS/TI 505-7201/5057201 FIELD INTERFACE MODULE XLNT

Wago 750-344 INTERBUS ECO FIELDBUS COUPLER

Siemens 7TR6020-0/BB

Modicon AS-S902-151

Schneider Modicon Cable Remote I/O Signal 1.5' AS-W808-002 7593

Schneider Modicon AEG/GOULD// AS-H819-100 7-SLOT 19 SECONDARY RACK NNB

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Schneider Modicon AS8535000 Connector AS-8535-000

Schneider Modicon MODULE MEMORY EXECUTIVE CARTRIDGE ASSEMBLY AS-M680-11 ~

Schneider Modicon AS-P120-000 AC Power Converter 115/230VAC

Schneider Automation Inc 140 DAO 842 10 Pack of 6 Output Module

SIEMENS 500-5018 WORD INPUT MODULE 5005018

RELIANCE ELECTRIC 57C-328 USPP 57C328

Siemens 6ES7635-2EC01-0AE3 6ES7 635-2EC01-0AE3 SIMATIC C7-635

SIEMENS Sinumerik Power Supply 6EW1861-3AA E Stand E

Parker Remote I/O Communication Module SMR00B

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ALLENBRADLEY1771-OW16OUTPUTMODULE1771OW16

Allen Bradley Solid State Timer Relay 700-RTC00000U1 WARRANTY

ABB MKS-50-N12 AC Drive 50HP 200-600V WOW

ZINSCO QSF4053 400A 3PH 600V FUSIBLE PANELBOARD SWITCH

(X11) 1 DANAHER CONTROLS RT80240LF102C 114790-0001 ENCODER X11

MODICON 140-CPU-434-12C USPP 140CPU43412C

ALLEN BRADLEY 1392-A075-RC-MC-B-F2 USPP 1392A075RCMCBF2

GENERAL ELECTRIC DS3820PMM USPP DS3820PMM

FOXBORO 43AP-FA42C-TA1A NSFP 43APFA42CTA1A

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SCHWEITZER ENGINEERING 221F00-4256MHGB USPP 221F004256MHGB

WESTINGHOUSE NCMZ-1799 USPP NCMZ1799

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Shuttle X50V3 15.6" Atom D2700 GMA3650 DDR3-1600 Gigabit All-In-One System

Square D 8030 HRK-100

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WE SHIP SAME WS-C3750G-24TS-E CISCO 3750G-24TS SWICTH 1 YR

SIEMENS 6FM1706-3AB20 in Box

Siemens TP177 6AV6640-0CA11-0AX0 Touchscreen Glass

Schneider Modicon Smallville Season 5 Piceworks Card of John as Jonathan Kent PW6

Schneider Modicon AS-BDEP-297Discreet IN 16x48 VDC ASBDEP297

Schneider Modicon AS-B803-008 NSPP ASB803008

Schneider Modicon HOUSING PT.NO.AS-H827-100 SECONDARY 27"

Schneider Modicon AS-J812-000 PLC

 

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