ASCO-電磁閥冗余系統(tǒng)解決技術(shù)方案

1、ASCO2oo3 Redundant Solenoid Valves Module2oo3 冗余電磁閥模塊Presentation2oo3 Redundant Solenoid Valves Module2oo3 冗余電磁閥模塊Overview 概觀 3/2-Way Redundant Solenoid Valve Manifold2位3通冗余電磁閥組合Based on the proven & highly reliable ASCO 327-Series direct-acting solenoid valve基于安全可靠的ASCO 327系列直動式電磁閥Comprehensive ran

2、ge of explosion proof & functional safety certification全面的防爆與功能安全認證防爆外殼Explosion Proof EnclosureEx d (隔爆型 Flameproof), orEx ia (本安型 Intrinsically Safe)316L 不銹鋼 316L Stainless Steel, or 鋁 Aluminium線圈 Solenoid CoilClass H insulationEx d (1.8W/3.6W), or Ex ia (0.5W)閥體 Valve Body2位3通直動式3/2-Way Direct-Ac

3、tingCv: 0.34獨立隔離閥Individual Isolation Valve Option可鎖定 Lockable電磁閥狀態(tài)反饋選項Status Feedback Option壓力表 Pressure gauge壓力指示 Visual indicator (Red/Green)壓力開關(guān)反饋Pressure switch feedback2oo3 Redundant Solenoid Valves Module2oo3 冗余電磁閥模塊氣動回路圖Circuit DiagramV1和V4共用一個輸出點 (1 DO)V1 and V4 considered as single Channel

4、 wired to 1 DO channel of Safety PLCV2和V3是兩個獨立的輸出點 (2 DO)V2 and V3 are 2 separate channels and wired to 2 DO channelsV1Solenoid Valve 1V2Solenoid Valve 2V3Solenoid Valve 3V4Solenoid Valve 4I1Isolation Valve 1I2Isolation Valve 2I3Isolation Valve 3I4Isolation Valve 4S1Shuttle Valve 1S2Shuttle Valve 2A

5、Pressure Indicator ABPressure Indicator BCPressure Indicator CDPressure Indicator DP1Pressure Switch 1P2Pressure Switch 2P3Pressure Switch 3P4Pressure Switch 4CH1Channel 1CH2Channel 2CH3Channel 3CH4Channel 4V1Solenoid Valve 1V2Solenoid Valve 2V3Solenoid Valve 3V4Solenoid Valve 4CYLCylinder0ON1OFFKey

6、 Features & Benefits主要特點和好處結(jié)合了 1oo2 和 2oo2 的優(yōu)點Combines the benefits of 1oo2 & 2oo2提高緊急切斷閥的安全性和可用性Increase the safety reliability & operation availability of the Emergency Shut Down Valves （ESDV）硬件故障裕度(HFT) = 1Hardware Fault Tolerance (HFT) = 1安全簡便的在線維護Safe & Easy Online Maintenance單獨的隔離閥，允許在正常運行期間 更

7、換有故障的電磁閥Individual Isolated Valves that allow Hotswapping of faulty solenoid valve during normal operation在線維護中，仍然可以執(zhí)行安全功能（緊急停止）Safety function (Emergency Stop) can still be performed during online maintenance在線檢測故障Online detection of faults 可視型狀態(tài)指示Visual status indication via pressure indicators通過壓

8、力開關(guān) 把系統(tǒng)狀態(tài)反饋回控制室Electrical feedback to control room via pressure switches安全可靠的技術(shù)Safe & Proven Technology電磁閥已通過SIL 3認證Solenoid Valves are certified to SIL 3 Capable (Exida and TUV)2oo3 Redundant Valve SystemCombines the benefits of 1oo2 & 2oo2結(jié)合了 1oo2 和 2oo2 的優(yōu)點電磁閥系統(tǒng)結(jié)構(gòu)Solenoid Valve System Architectur

9、e安全功能 Safety Function操作功能 OperationHFT1可靠性ReliabilityPFDAVG2HFT*可用性AvailabilitySTR32oo3 (2-out-of-3) 1 High Low 1* High LowNo.offaulty SOVCH 1CH 2CH 3SafetyFunctionSOV1SOV4SOV2SOV30OKOKOKOKSafeShutdown1CantCloseOKOKOKSafeShutdown1OKCantCloseOKOKSafeShutdown1OKOKCantCloseOKSafeShutdown1OKOKOKCantClos

10、eSafeShutdown2CantCloseCantCloseOKOKSafeShutdown2CantCloseOKCantCloseOKSafeShutdown2OKCantCloseOKCantCloseSafeShutdown2OKCantCloseCantCloseOKFail2CantCloseOKOKCantCloseFail2OKOKCantCloseCantCloseFail3CantCloseCantCloseCantCloseOKFail3CantCloseCantCloseOKCantCloseFail3CantCloseOKCantCloseCantCloseFai

11、l3OKCantCloseCantCloseCantCloseFail4CantCloseCantCloseCantCloseCantCloseFailNo.offaulty SOVCH 1CH 2CH 3OperationSOV1SOV4SOV2SOV30OKOKOKOKNormal1TrippedOKOKOKNormal1OKTrippedOKOKNormal1OKOKTrippedOKNormal1OKOKOKTrippedNormal2TrippedTrippedOKOKNormal2OKTrippedTrippedOKNormal2TrippedOKOKTrippedNormal2T

12、rippedOKTrippedOKFail Safe2OKTrippedOKTrippedFail Safe2OKOKTrippedTrippedFail Safe3TrippedTrippedTrippedOKFail Safe3TrippedTrippedOKTrippedFail Safe3TrippedOKTrippedTrippedFail Safe3OKTrippedTrippedTrippedFail Safe4TrippedTrippedTrippedTrippedFail SafeSOV1SOV2SOV4SOV3IV3IV4IV2IV1PI1PI2PI3PI4Shutter

13、ValveShutter ValveActuator PortPressure Inlet PortSilencersPV Open (Normal)2oo3 Schematic Diagram2oo3 原理圖Normal Operation 正常運作 Emergency Stop 緊急切斷 SOV1SOV2SOV4SOV3IV3IV4IV2IV1PI1PI2PI3PI4Shutter ValveShutter ValveActuator PortPressure Inlet PortSilencersPV Closed (Safe)SOV1SOV2SOV4SOV3IV3IV4IV2IV1PI

14、1PI2PI3PI4Shutter ValveShutter ValveActuator PortPressure Inlet PortSilencersPV Open (Normal)Solenoid Valve Status Indication & Feedback電磁閥狀態(tài)指示和反饋壓力指示器和壓力開關(guān)反饋，以方便預(yù)防性維護Pressure indicator & pressure switch feedback to facilitate preventive maintenance避免雙電磁閥故障Avoids costly shutdown due to a double sole

15、noid valves failurePressureSwitchPressureIndicatorSOV1SOV2SOV4SOV3IV3IV4IV2IV1PI1PI2PI3PI4Shutter ValveShutter ValveActuator PortPressure Inlet PortSilencersPV Open (Normal)Individual Isolation Valve (Options)獨立隔離閥（選項）隔離電磁閥以進行在線維護Allows isolation of the individual solenoid valve circuit for online m

16、aintenance在線維護時緊急切斷Allows emergency shutdown of the process valve in online maintenance modeIV1 is closed to isolate and depressurise SOV1 circuitFaulty SOV1 is safe to be removed and replacedIV1IV2SOV2SOV1IV3IV4SOV3SOV4SOV2/3/4 remains energized - No disruption to the operationIn the event of an em

17、ergency shutdown during online maintenance, SOV2/3/4 can be de-energised to shutdown the process valveKey Features & Benefits主要特點和好處結(jié)合了 1oo2 和 2oo2 的優(yōu)點Combines the benefits of 1oo2 & 2oo2提高緊急切斷閥的安全性和可用性Increase the safety reliability & operation availability of the Emergency Shut Down Valves （ESDV）硬

18、件故障裕度(HFT) = 1Hardware Fault Tolerance (HFT) = 1安全簡便的在線維護Safe & Easy Online Maintenance單獨的隔離閥，允許在正常運行期間 更換有故障的電磁閥Individual Isolated Valves that allow Hotswapping of faulty solenoid valve during normal operation在線維護中，仍然可以執(zhí)行安全功能（緊急停止）Safety function (Emergency Stop) can still be performed during online maintenance在線檢測故障Online detection of faults 可視型狀態(tài)指示Visual status indication via pressure indicators通過壓力開關(guān) 把系統(tǒng)狀態(tài)反饋回