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3、係統應用
3.117反應釜液位控制
17反應釜是聚酯裝置的終縮聚釜,液位的穩定關係到熔體粘度的穩定即產品的質量,所以本裝置採用了兩套放射性液位計,一臺靠近入口端LIC17017,另一臺靠近出口端LIC17023,17反應釜的液位取三七開,即通過AUX輔助計算塊完成0.3*LIC17017.DACA.PV+0.7*LIC17023.DACA.PV的計算作為PID控制塊的測量值。通過PID控制塊的運算OP輸出至SIC16009作為設定值,控制16熔體泵的泵速以調節17反應釜的進料達到液位穩定的目的。
3.2酯化攪拌器聯鎖控制
在裝置中電機12A01帶動一酯化攪拌器轉動,電機12A01P帶動油泵轉動來給12A01潤滑和冷卻。一酯化攪拌器的啟動條件是反應釜的液位LIC12019、LIC12009未低低報、油泵12A011已經運行、油壓正常(PAL12036未低報),所以兩個電機的啟停順序應該是先開油泵12A01P,再開攪拌器12A01,停止時先停12A01再停12A01P;另外,為保護攪拌器12A01,在一酯化液位計LC12019、12009液位低低報時、在12A01P故障停止時應聯鎖停止12A01。係統使用了一個DEVICE塊簡單、方便地實現了以上功能
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PENTAIR 40E30N 4IN END ENTRY MEMBRANE HOUSING FOR RO APPLICATIONS D576617
CIDRA SONARTRAC S-20276-02 STAINLESS STEAL COVER SEAL KIT D561334
5 MATRIX SEPARATIONS C30A20A KING E-SERIES FILTER CARTRIDGE D567989
NIBCO 914570PC PC641 PRESSYSTEM 4IN PRESS COPPER COMPANION FLANGE D587771
KEWAUNEE AE-2402-00 DRAWER & CUPBOARD CABINET UNIT ASSEMBLY D547578
YARWAY 41 VALVE PACKING-BACKSEAT REMOVAL TOOL D562598
TAIJIN TJD-0231 G04 OIL LEVEL INDICATOR 0-10 MIN MAX D567088
THOMSON 511H25D1 BALL PROFILE RAIL LINEAR GUIDE CARRIAGE D567134
5 MATRIX SEPARATIONS C30A20A KING E-SERIES FILTER CARTRIDGE D567987
BRADY 13550 BBP85 POWERMARK 6IN X 50FT YELLOW VINYL TAPE CARTRIDGE D572596
WRICO 42 1322233 BLANK INSERT D572750
DANA 47-7166-24-0805 3/8IN X 8IN X 52FT EXTRUDED SKIRTBOARD D568639
MSA GMD-C-N95 GAS MASK W/ CARTRIDGE D585269
TELEDYNE 1860-0125-01 CAL MECHANISM DRIVE ASSEMBLY D536989
BRADLEY S19-130A EMERGENCY VERTICAL DRENCH SHOWER D573418
RAYCHEM MCK-5-3V 5KV STUB-TYPE 3PH MOTOR CONNECTION KIT D583014
NIBCO 914570PC PC641 PRESSYSTEM 4IN PRESS COPPER COMPANION FLANGE D587777
ARMSTRONG B1673-6 PCA215/315 5/16 17-4 H900 PRESSURE CHANGE KIT D552060
YARWAY 44P 2IN PACKING-BACKSEAT REMOVAL TOOL D562593
YARWAY 40B VALVE PACKING-BACKSEAT REMOVAL TOOL D562597
YARWAY 44B 2IN PACKING-BACKSEAT REMOVAL TOOL D562601
DIXON 4NS6-B BRASS BOWES COUPLER 3/4IN BARB D559587
GEA TUCHENHAGEN VALVE ACTUATOR STEM ASSEMBLY D560381
GARLOCK STYLE 204 10 IN EXPANSION JOINT 16X11-3/4 IN D560105
MIDLAND 30-207 30207 1/2 POHB X 1/2 MIP ADAPTER D560721
VILTER KT 709A 25043A R5 1-2418-6 F 05/10 R-717 SHAFT SEAL KIT D561840
COMEM EM1DB TRANSFORMER AIR DEHUMIDIFIER D592363
A&M INDUSTRIAL 4680935 FLH 15S3-Y-AL-PNST-100 HOSE 100FT 1-1/2IN NH D593013
40.02.200 CABLE CHAIN CARRIER TRACK 9-1/4IN X 3-1/4IN X 7-1/2FT D595965
GRACO 220653 FOLLOWER PLATE FOR 35LB PAIL D597026
JOY 00527141 CAGE ASSEMBLY D549124
DIXON 463 DOULBE BOLT CLAMP W/ SADDLES 4-2/64IN TO 4-18/64IN D535310
COZZINI S01-M542 SET OF 60 KNIFE BLADES D577926
COZZINI SC-M543 SET OF 60 KNIFE BLADES D578096
MAZZEI 878-03-NPVDF NAT-KYNAR 1IN NPT GAS LIQUID INJECTOR D586963
RAYCHEM AMG-BY-III AUTOMATRIX TEE CONNECTION KIT D586666
YARWAY 21 VALVE RESEATING TOOL D562596