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3.2燃烧控制改进
原设计的燃烧控制用于氧含量测量的装置改用700B氧含量分析仪。把控制方案改为氧含量控制引风机出口挡板,炉膛负压控制送风机出口挡板的方案。并使氧含量控制的P、I作用弱一些。经过实际运行,燃烧控制系统的滞后时间相对较小,证明改进的控制方案可行。
3.3功能扩展
转速是汽轮机运行的主要的参数之一。对该参数实现实时监测。增加了运行人员的监测手段与途径,提高了信号显示精度控制工程网版权所有,方便了运行人员的监盘与操作控制。更重要的是总调值长可通过局域网监测汽机转速。
在脱网事故状态下仍可监测到汽机转速变化,从而可据此有效地进行事故处理。避免事故的进一步扩大;给水泵是为锅炉供水的关键设备,因此在2004年该厂将原DCS系统进行扩展。将汽轮机转速和三台给水泵的变频调节信号加入到了DCS系统中。
Matrix Systems PCB Board 05-00125 Rev C, 0500125, 54-00125
Denso Wire Assy 466109-0050, CBAN-ES5000/12P-12J-01, SHIPSAMEDAY1550F5
Koganei Block Pneumatic F10M5NJ, F10T1-CPS, Shipsameday 1540C9
Airline Hydraulic Mini Check Valve Coupling 1/4 & 1/2 NPT
Swagelok Diaphragm Sealed Valve, 6LV-DLBW6, 6LVDLBW6, SHIPSAMEDAY1371A1
VICOR CONVERTER MOD DC/DC 48V, 50W, VI-J74-CY, SHIPSAMEDAY1550B7
MKS Baratron Vacuum Switch 10 TORR, 141AA-00010BB-S, SHIPSAMEDAY130Z28
GE Nema Size 1, CR208C200DYA19, 15D21G22, 55-513416CT, NNB, Shipsameday115A9
VERIFLO diaphragm valve 1/4 FVCR, 944A0PLPN0SFSFFEX, SHIPSAMDAY 126C8
SWAGLOK BELLOW VALVE 1/2 VCO MALE, SS-BN8VO8-C, SS-BN8V08-C, SHIPSAMDAY126C9
SWAGLOK BELLOW VALVE 1/4 VCR, 6LV-DAF111P-C, 6LVDAF111PC, SHIPSAMDAY126D1
Swagelok Bonnet Needle Valve 1/2, SS-18VS8, SS18VS8, SHIPSAMEDAY1696B2
Sick Optic Photo Electric Sensor, WT27-P610, 1-005-803 9627, ShipSameDay1172P1
Tccco EP0904, D-209522, 3270040604, Shipsameday1618A
Texas Analog To Digital 12 Bit 6M, THS1207CDA, THS1207CDA-ND
Baumer 14mm Photoelectric Diffu, FZDK 14N5101/S35A, Shipsameday1471AH
Swagelok 1/2 FVCR X 3/8 Tube, SS-8-WVCR-6-600
VAT Angle Valve KF-40, VAT 26432-KA41-AEP1 & VAT 26432-KA41-AEP2
J.W. Miller Fixed Inductors 150uH, 10 PM2120-151K-RC0936, Rack H 65
ATC Ceramic Multilayer Capacitor (P90 & NP0), 100A910FT150X V126
ALLEN BRADLEY Sensaguard Door Sensor, 440N-Z21SS2HN, SHIPSAMEDAY125L
Duniway Manual Right Angle Valve KF-40, SFAM-162-KF40, SHIPSAMEDAY 104B1
QMiL 10704006, Qmil Grip, Shipsameday 1177F
SMC COMPACT CYLINDER CDQ2B40-50D-F7-NJL-XB14 + D-F7NJ (2X) , SHIPSAMEDAY104B9
SWAGELOCK NUPRO N75765, SS-4BK-1C-319, 1/4 VCO Female, Rack H, H46
BRYANT ANGLE NYLON PLUG 50A, 2P, 250V, 3WIRE, 9650-ANP
Nupro metering valve 1/4 VCR, SS-SVCR4, SHIPSAMEDAY128B6
82551ER, L117LA34, Shipsameday V131
SWAGELOK BALL VALVE 1/4 VCR, SS-43GVCR4-LL-WC
Krohne Variable Flowmeter Natural Gas 7-70 L/HR, .7757 Kg/m3, DK32/RR/K005, ZP4
MANOSTAR Differential Pressure Switch, TYPE MS65L
K-Tec Residual Current Relay RCD300M2, SHIPSAMEDAY1178P2
PARKER Hydraulic Quick Coupler 1 FNPT, SSH8-63
Allen Bradley Output Module SLC 500, 1746-OB16E, Shipsameday137F5
Koyo 205, D2-09B, H2-EBC, D2-08ND3, D2-08TR, D2-08TD1, D2-16TD2-2, Rack KK61
Swagelok Teflon Hose 1/2 VCO X 50 LG, SS-TH8VF8VF8-120P, 126D
Swagelok angle pattern ball valve SS-43F4-A, shipsameday 130Z46
Swagelok quarter turn instrument plug, SS-4P4T-M1, SS4P4TM1, 130Z38
SWAGELOK Reducer 1/4 x 3/8 COMP, SS-500-R-6, SHIPSAMEDAY Box 9 “A5”
Omega-Flo 3 Way General Purpose Solenoid Valve 1/4, SV-1406, US580141 1604P3
Lawson 98839, SB17747TU01, 2 Way Conn 4/0 Ga 3.00 Length 1537E
Swagelok Bonnet Needle Valve, SS-1RS4-SC11, SS1RS4SC11, 130Z40
Motorola Horizon Controller Card SWLN9221JC, 8488569T03, Shipsameday1226N
Motorola Alarms Card SWLN9221BB, Shipsameday1226P
SMC Guided Cylinder MXS12-10A , MXS1210A, SHIPSAMEDAY1646M8
Festo Mini-slide pneumatic cylinder SLT-10-30-P-A, 170556, SHIPSAMEDAY1646M2
Swagelok Regulating valve 1/4 NPT , SS-4JBR2, SS4BR2, shipsamedayC12