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6AV6545-0DB10-0AX0
6AV6545-0DB10-0AX0
6AV6545-0DB10-0AX0
廈門(mén)仲鑫航自動(dòng)化設(shè)備有限公司
網(wǎng)址:http://www.zxdadsqc.com
Email郵箱;2662845085@qq.com
地址:廈門(mén)市湖濱東路湖光大廈18層A單元
聯(lián)系人:王小姐
電話/TEL:。。。18150117686
傳真/FAX:(傳真時(shí)請(qǐng)標(biāo)注“王麗”收)
1、概述
工業(yè)循環(huán)水在軋鋼工業(yè)中占有非常重要的地位,其水溫的高低直接影響到加熱爐和軋機(jī)等設(shè)備的安全和使用壽命。為及時(shí)準(zhǔn)確的對(duì)循環(huán)水進(jìn)行監(jiān)控,萊鋼軋鋼廠中小型車(chē)間水處理采用浙大中控SUPCON JX—300X DCS控制系統(tǒng)。DCS控制系統(tǒng)把計(jì)算機(jī)、儀表和電控技術(shù)融合在一起,實(shí)現(xiàn)了數(shù)據(jù)自動(dòng)采集、處理、工藝畫(huà)面顯示、參數(shù)超限報(bào)警、設(shè)備故障報(bào)警和報(bào)表打印等功能。并在此基礎(chǔ)上開(kāi)發(fā)了針對(duì)循環(huán)水溫的溫度閉環(huán)控制。
2、系統(tǒng)介紹
SUPCON JX—300XDCS采用高速工業(yè)以太網(wǎng)Scnet作為其過(guò)程控制網(wǎng)絡(luò),系統(tǒng)由工程師站、操作站、控制站、過(guò)程控制單元等組成,配置靈活。根據(jù)水處理系統(tǒng)規(guī)模,水處理SUPCON DCS系統(tǒng)設(shè)計(jì)了1個(gè)控制站,1個(gè)操作站(通過(guò)設(shè)置安全級(jí)別可兼做工程師站),構(gòu)成兩級(jí)結(jié)構(gòu)?刂普臼乾F(xiàn)場(chǎng)級(jí),直接與現(xiàn)場(chǎng)設(shè)備交換數(shù)據(jù),完成整個(gè)工業(yè)過(guò)程的實(shí)時(shí)監(jiān)控功能。操作站(兼工程師站)是監(jiān)督控制級(jí),即可完成對(duì)系統(tǒng)的組態(tài)、又可實(shí)現(xiàn)對(duì)現(xiàn)場(chǎng)級(jí)檢測(cè)、控制、保護(hù)功能的管理。SUPCON JX—300X DCS系統(tǒng)的SCKey組態(tài)軟件是一個(gè)全面支持該系統(tǒng)各類(lèi)控制方案的組態(tài)軟件平臺(tái)。 通過(guò)SCKey組態(tài)軟件可完成整個(gè)系統(tǒng)的控制站組態(tài)(系統(tǒng)I/O組態(tài)、控制方案組態(tài)等)、操作站組態(tài)(畫(huà)面設(shè)置、系統(tǒng)流程圖組態(tài)、系統(tǒng)報(bào)表組態(tài)等)。系統(tǒng)構(gòu)成如圖1所示。
3、溫度監(jiān)控方案
3.1 方案設(shè)計(jì)
從生產(chǎn)熱線循環(huán)回來(lái)的工業(yè)水流入1#、2#吸水井散熱,并通過(guò)吸水井塔頂?shù)?#和2#風(fēng)機(jī)進(jìn)行降溫,然后在1#、2#吸水井底部共用一個(gè)出水管為下一個(gè)工序供水,水溫要求控制在30oC以下。本系統(tǒng)在吸水井出水管處安裝Cu50熱電阻對(duì)水溫檢測(cè),把溫度信號(hào)T1送入DCS的處理器,經(jīng)過(guò)控制規(guī)律的運(yùn)算后給出控制信號(hào),用以控制變頻器來(lái)改變電機(jī)的輸入電壓頻率,來(lái)改變電動(dòng)機(jī)的轉(zhuǎn)速,帶動(dòng)風(fēng)機(jī)降溫,從而構(gòu)成一個(gè)閉環(huán)的溫度控制系統(tǒng)。變頻器選用兩臺(tái)日本SANKEN(300KW)通用型變頻器,控制原理如圖2所示。
根據(jù)循環(huán)水在吸水井底部熱交換的特點(diǎn),對(duì)1#、2#吸水井兩臺(tái)風(fēng)機(jī)的電機(jī)進(jìn)行主/副控制,主/副電機(jī)依照不同的速度曲線驅(qū)動(dòng)風(fēng)機(jī)運(yùn)轉(zhuǎn)。1#、2#電機(jī)可互為主/副電機(jī)選擇,極大方便了操作工的操作。
3.2 軟件實(shí)現(xiàn)
為方便操作人員的操作,在操作站創(chuàng)建循環(huán)水溫度監(jiān)控畫(huà)面,可在線顯示循環(huán)水的溫度、變頻器的速度反饋、報(bào)警等,進(jìn)行1#、2#風(fēng)機(jī)電機(jī)的啟停控制和主/副選擇控制。并通過(guò)切換安全等級(jí)在線修改主/副電機(jī)控制回路中的溫度、轉(zhuǎn)速等控制參數(shù)。
針對(duì)循環(huán)水溫度調(diào)節(jié)存在大滯后性的特點(diǎn),對(duì)1#、2#風(fēng)機(jī)電機(jī)采用分段控制方法,主/副電機(jī)控制曲線如圖3所示:當(dāng)循環(huán)水溫度低于20oC時(shí),主/副風(fēng)機(jī)電機(jī)變頻器的輸出電壓頻率均為20HZ。當(dāng)循環(huán)水溫度變高時(shí),主控制回路中的變頻器的輸出電壓頻率跟隨增大,當(dāng)循環(huán)水溫度高于24oC時(shí),主電機(jī)全工頻運(yùn)轉(zhuǎn)。副電機(jī)在循環(huán)水溫度升至23oC時(shí),副控制回路增大副電機(jī)輸入電壓頻率,提高風(fēng)機(jī)轉(zhuǎn)速,當(dāng)循環(huán)水溫度高于28oC時(shí),副電機(jī)全工頻運(yùn)轉(zhuǎn),與主電機(jī)一起為循環(huán)水快速降溫。
4、應(yīng)用效果
自循環(huán)水溫度監(jiān)控投運(yùn)以來(lái),運(yùn)行穩(wěn)定、效果良好。在環(huán)境溫度較高的夏季可有效的把循環(huán)水溫度控制在30oC以下。達(dá)到了熱線生產(chǎn)要求。在春、秋、冬環(huán)境溫度較低的季節(jié),風(fēng)機(jī)電機(jī)按控制曲線運(yùn)行,較增加控制功能前的風(fēng)機(jī)全工頻運(yùn)行降耗35%。
1784-U2CN
1784-U2DN
871A-TS5-N1
871A-TS5-NM1
MTJR1S00
HE300GEN200D
520422000
MA-0185-100(B)14DB TAP
NIB SCHNEIDER ELECTRIC ZB4-BK1233 SELECTOR SWITCH ZB4BK1233
ALLEN BRADLEY 875CP-AM30N34-A?2 PROXIMITY SWITCH NEW
NEW SCHNEIDER ELECTRIC ZB4-BK1333 SELECTOR SWITCH GRN
OMRON TL-W1R5MC1 PROXIMITY SWITCH 12 TO 24 DC
HONEYWELL 914CE20-3 MICRO SWITCH
NEW THOMAS PRODUCT MODEL 4400 LEVEL SWITCH 50 TO 240 V.A.C.
MICRO SWITCH BZE6-2RN194 LIMIT SWITCH USED BZE62RN194
LOT OF 3 ALLEN BRADLEY 800T-JX2 SELECTOR SWITCHES 800TJX2 SER. T
HONEYWELL MICRO SWITCH FE-LPK03C-2S 120VAC 50/60HZ FELPK03C2S
NIB SQUARE D 9013 GSG-2 PRESSURE SWITCH 9013GSG2 SERIES C
BURLING B-1C TEMPERATURE CONTROL SWITCH B1C
ALLEN BRADLEY 871TM-DH5NP18-D?4 SWITCH 871TMDH5NP18D4
NEW ALLEN BRADLEY 800T-N37 30.5MM POTENTIOMETER UNIT 800TN37 SERIES P
ALLEN BRADLEY 800EM-SM22 SELECTOR SWITCH 800EMSM22 NIB
NIB ALLEN BRADLEY 800T-QST24R PILOT LIGHT 24VAC/DC RED
OMRON E2E-X10E1 PROXIMITY SWITCH 12 TO 24 VDC NEW
HONEYWELL GKRA-40L6A2-F05 MICRO SWITCH GKRA-40L6A2, 24VDC
NIB ALLEN BRADLEY 800T-H4A SELECTOR SWITCH 2 POSITION BLACK 800TH4A SER. T
NIB HONEYWELL 3PA6 MICRO SWITCH
NEW ALLEN BRADLEY 800MR-JX9B SELECTOR SWITCH SER. A
CKD R3 REED SWITCH CYLINDER SENSOR DC5/24V
NIB HONEYWELL 1MN1 MICRO SWITCH
LOT OF 4 NEW SMC D-97 AUTO-SWITCHES D97
LOT OF 4 IDEC ABWN5X MOMENTARY PUSHBUTTONS NEW
RELAY AND CONTROL CORP. PUSHBUTTON STATION SS600 600V MAX W/ CARLON A-1758
ALLEN BRADLEY 800MS-DB16 OPERATOR FOR PUSHBUTTON SWITCH 800MSDB16 SER. A
LOT OF 4 SMC D-Y59B SOLID STATE SWITCH NEW 3 WIRE NPN 5-28VDC SOLID STATE
HONEYWELL BA-2R708-P7 MICRO SWITCH BA2R708P7 NIB
SQUARE D 9013 GSG-2 PRESSURE SWITCH 9013GSG2 SERIES C
NEW ADVANCE AUTOMATION COMPANY LS-10L-NO REED SWITCH LS-10L-N0, 24VAC DC 1/2A
NEW MAGNETROL TSF-2000-E00/4T?1-1220-002 THERMATEL DISPERSION FLOW/LEVEL SWITCH
NEW ROBOHAND RMS22CP PROXIMITY SWITCH
NEW OMRON E2E-X10E1 PROXIMITY SWITCH E2EX10E1
OMRON E2E-X5E1-M1 PROXIMITY SWITCH E2EX5E1M1
OMRON E2EY-X4C1 PROXIMITY SWITCH E2E-Y-X4C1 E2EYX4C1
MICRO SWITCH FYCA8C3-2 PROXIMITY SWITCH 120VAC 50/60HZ 1.2AMP FYCA8C32
ALLEN BRADLEY ROLLER LEVER 802T-W1F 3/4" DIA 1/4" WIDTH NEW
NIB HONEYWELL 3PA1 MICRO SWITCH
NEW CKD MOV REED SWITCH 100VAC 12-24VDC
NEW PHD 67904-1-05 SOLID STATE SWITCH DC SERIES 5M LEAD
LOT OF 3 ALLEN BRADLEY 800T-HX2 SELECTOR SWITCHES 800THX2 SER. T
NIB SQUARE D 9001KS53K5 SELECTOR SWITCH OPERATOR 3POS 30MM KEYED SPG RET
NIB SQUARE D 9999SB9 POWER POLE ADDER SER. A
NIB ALLEN BRADLEY 800MR-HX2B SELECTOR SWITCH
OMRON E3F2-DS10C4-M PHOTOELECTRIC SWITCH NEW
NEW MICROSWITCH 11CX12-9840 EXPLOSION PROOF SNAP SWITCH 11CX12
5 NEW ALLEN BRADLEY 800EM-PL1 OPTIC PILOT LIGHT
NIB ALLEN BRADLEY 800T-FX9A5 PUSH BUTTON SER. T 2 POSITION PUSH-PULL YELLOW CAP
SORENSON PTM 24-2.4 DC POWER SUPPLY
TOWER ELECTRONICS VIDEOJET 1000460 POWER SUPPLY 206998
MICRON DINergy MD120-24-1 POWER SUPPLY MD120241
GENERAL ELECTRIC CR305B0 CONTACTOR CR305B002 NIB
SHINDENGEN EY05005U POWER SUPPLY 100-120VAC 5VDC 5AMP
LAMBDA LVS-42-24-B POWER SUPPLY LVS4224B
NIB REDLION CONTROLS APSIS000 ACCESSORY POWER SUPPLY CURRENT SOURCE MODEL APSIS
SATO PR7730100 POWER SUPPLY SET 115V NIB
NIB CARLO GAVAZZI SPD241201 SWITCHING POWER SUPPLY 115/230VAC 47-63Hz 24VDC 5A
DIGITAL EQUIPMENT H780-A POWER SUPPLY 50/60HZ 230W 120V 5A
OMRON S82S-0324 POWER SUPPLY S82S0324
GENERAL ELECTRIC EP101UCC02 1P 2AMP 230/400VAC CIRCUIT BREAKER 673303 NIB
SOLA 81-12-215-02 POWER SUPPLY 811221502 INPUT: 47-63HZ W/ F6-11201-O/A PC BOARD
NIB COSEL R25U-24 R/RR SERIES POWER SUPPLY
OMRON S82G-1524 POWER SUPPLY
NEMIC-LAMBDA LWT15H-522 POWER SUPPLY
NIB COSEL K25AU-12 SWITCHING POWER SUPPLY 2.1AMP 12VDC 25.2W K25AU12
SIEMENS 6EP1437-3BA00 POWER SUPPLY SITOP POWER 40 6EP14373BA00
FENNER 7300-0136 POWER SUPPLY / ISOLATOR PN7300-0136
GE EP61ULC04 1-POLE MINI CIRCUIT BREAKER BOX OF 12 NEW
SOLA S2350 HEVI-DUTY POWER SUPPLY
SICK PS51-1000 POWER SUPPLY 7022834
LAMBDA LNS-Z-12 REGULATED POWER SUPPLY LNSZ12
GE EP62ULC06 2 POLE MINI CIRCUIT BREAKER BOX OF 6 NEW
COSEL R25U-24 POWER SUPPLY 100-120VAC 0.70AMP 50/60HZ R25U24
NEW HALMAR POWER CONTROLLER LZF1-4840 VOLTS: 480 AMPS: 40
HALMAR POWER CONTROLLER
LAMBDA LVT-40-144-B POWER SUPPLY 26W, LVT40144B
LOT OF 2 NEW FUJI ELECTRIC CP31D CIRCUIT BREAKERS 3A, DC 50V
SINUDYN SIEB & MEYER 26.44.25 BRUSHLESS MOTOR-SYSTEM POWER SUPPLY MODULE 264425
NEW ALLEN BRADLEY 1771-CM CHASSIS CABLE P1 POWER SUPPLY
NIB NEMIC-LAMBDA LWT15H-522 POWER SUPPLY
NIB STANCOR STA-3560 WALL PLUG-IN POWER SOURCE STA3560
GENERAL ELECTRIC CR306C002 STARTER SIZE 1 NIB
BARBER COLMAN SOLID STATE CONTACTOR CB11-02480-055-?3-00 SSC 480V 55A 55C
SPERRY UNIVAC 01P1500-001 F POWER SUPPLY 114VOLTS
ALLEN BRADLEY 1492-CB1DG100 10A CIRCUIT BREAKER NIB
TELEMECANIQUE GV2-M06 MOTOR STARTER PROTECTOR GV2M06 1-1.6AMP
FUJI ELECTRIC CP32FM/1 CIRCUIT PROTECTOR 2POLE 1A CP32FM1, CP32FM
TELEMECANIQUE GV2-M02 MOTOR CIRCUIT BREAKER GV2M02 NIB
SQUARE D MG24425 CIRCUIT BREAKER 34614 1P 1A 277VAC NIB
FUJI CP31FM/3 CIRCUIT PROTECTOR CP31FM 3 AMP BREAKER
SQUARE D FAL36035 35A CIRCUIT BREAKER FAL36035 W/9422RN1 OPERATING MECHANISM
NEMIC-LAMBDA RS-9-24 POWER SUPPLY RS924
FUJI SA33CM 3 POLE 2.6 A CIRCUIT BREAKER SA33CM/2.6 NIB
TELEMECANIQUE GV2-M03 MOTOR CIRCUIT BREAKER GV2M03 NIB
NIB SQUARE D MG24505 SUPPLEMENTARY PROTECTOR 277V 8AMP
FUJI CP31FM/1 CIRCUIT PROTECTOR CP31FM 1 AMP BREAKER
SINUDYN SIEB & MEYER 26.44.0007.4 BRUSHLESS MOTOR SYSTEM 26.44.0016.2 TYPE: M
NIB SQUARE D QO170 CIRCUIT BREAKER WITH VISI-TRIP INDICATOR 1P 70AMPS
NEW ABB S201-K2 CIRCUIT BREAKER 2AMP 1POLE 480Y/277VAC
SIEMENS 5SX23 CIRCUIT BREAKER
NEW SQUARE D FAL36035 35A CIRCUIT BREAKER FAL36035
AIRPAX UPL1-1REC2-3222?-4 CIRCUIT BREAKER 65241-54D NEW
NIB SQUARE D QOB150 CIRCUIT BREAKER WITH VISI-TRIP INDICATOR 1P 50AMPS
SQUARE D MG26925 CIRCUIT BREAKER 89217 C60N NIB
TELEMECANIQUE GV2-M06 MOTOR CIRCUIT BREAKER GV2M06 NIB
SIEMENS Q220 CIRCUIT BREAKER
FUJI CP33FS/7 CIRCUIT PROTECTOR 7AMP 3POLE
LOT OF 5 MERLIN GERIN 60101 CIRCUIT BREAKERS C1A, 240V, MULTI 9 C60
FUJI CP31FM/2 CIRCUIT PROTECTOR CP31FM 2 AMP BREAKER
LOT OF 3 MERLIN GERIN 24399 CIRCUIT BREAKER C60N 6 AMP TYPE C 230/400V
TELEMECANIQUE GV2-M05 MOTOR CIRCUIT BREAKER GV2M05 NIB
ALLEN BRADLEY 50403 DRIVER BOARD FOR 30/40/50 HP
SQUARE D MERLIN GERIN 60121 20990 C60N CIRCUIT BREAKER
SQUARE D MERLIN GERIN 60101 40967 C60N CIRCUIT BREAKER
SIEMENS 3TF3000-0B CONTACTOR 20AMP NON REVERSING
ABB S202U-K20 CIRCUIT BREAKER 20AMP 2POLE K 240 BPCD S202UK20
RELIANCE ELEC. 65241-54D CIRCUIT BREAKER 6524154D NIB
FUJI CP31FM/10 CIRCUIT PROTECTOR CP31FM 10 AMP BREAKER
FUJI CP31FM/10 CIRCUIT PROTECTOR CP31FM 10 AMP BREAKER
AUTOMATIONDIREC?T G3P 22K CIRCUIT BREAKER G3P-060 60AMP
FUJI ELECTRIC EA53AC AUTO BREAKER 30AMP, EA53AC
ALLEN BRADLEY 1492-CB2-G200 SER. C CIRCUIT BREAKER 20A 5HP 1492CB2G200
ALLEN BRADLEY 1492-CB1 G200 CIRCUIT BREAKER 1492CB1G200
ALLEN BRADLEY 1492-GH012 SER. B BREAKER 1492GH012 NEW
ALLEN BRADLEY 1492-CB-2-G-070 BREAKER 1492CB2G070
NIB ALLEN BRADLEY 1492-CB2G070 MANUAL MOTOR CONTROLLER 7AMPS, SER. C
NIB ALLEN BRADLEY 1492-CB1H070 CIRCUIT BREAKER SER. B
LOT OF 6 ALLEN BRADLEY 1492-CB1 CIRCUIT BREAKERS 1492CB1
WESTINGHOUSE EHD3020L CIRCUIT BREAKER STYLE NO. 6638C94G85
NEW OSBORNE 120356-0100-053 CONTROL TRANSFORMER CAT. NO: 50-0100-053-OT
ALLEN BRADLEY 1492-CB2F050 CIRCUIT BREAKER SERIES C 1492CB2F050
NEW BUSS LPJ-50SP 600V 300VDC FUSE LPJ50SP
TCI LINE REACTOR KLR16ATB KLR SERIES TRANSFORMER 3PHASE REACTOR NEW
SIEMENS EFEN 63A AMP USED
NIB RAM METER SFT-750 CURRENT TRANSFORMER SFT750
LOT OF 4 BUSSMANN FUSETRON FRN-R-10 FUSES CLASS RK5 250V 10AMP, FRNR10
NEW OSBORNE 120356-0500-053 CONTROL TRANSFORMER CAT. NO: 50-0500-053-OT
NIB ACME PL-79906 FUSE KIT PL79906
LOT OF 2 RAM METER 58 RBL-600 CURRENT TRANSFORMER 58RBL600
NEW OSBORNE 120356-1000-053 TRANSFORMER CAT. NO: 50-1000-053-OT SINGLE PHASE
NEW OSBORNE 120356-3000-053 TRANSFORMER CAT. NO: 50-3000-053-OT SINGLE PHASE
BUSS FUSE HOLDER JTN60060 35-60A 600VAC JTN60060 WITH FUSE LPJ-50SP
LOT OF 20 BUSSMANN FUSETRON FRN-R-10 FUSES CLASS RK5 250V 10AMP, FRNR10
NIB BUSSMANN KAB-300 TRON RECTIFIER FUSE KAB300
BUSSMANN NON175 FUSE ONE-TIME 175AMP 250VOLT NON 175 NON-175 NIB
LOT OF 2 NIB BUSSMANN NON175 FUSE ONE-TIME 175AMP 250VOLT NON 175
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