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1、MichaelSattler,DryGasSealDivision,07/1998博格曼干气密封(DGS)控制系统介绍MichaelSattler,DryGasSealDivision,07/1998DGS控制系统SMS•3个主要的功能:–过滤缓冲气体–调解缓冲气体–监控密封的运行情况•简单而方便的操作•无需特别的维护和保养MichaelSattler,DryGasSealDivision,07/1998DGS控制系统SMSPDISHPI_____________________FISL__________
2、___________Dischargeorahigherstageofthecompressormax.100°CMichaelSattler,DryGasSealDivision,07/1998FlareNVentN2/Air2FilterunitFilterunitPCVoptionalPDISH_____________________FISL_________________________________________________FISL__________________________
3、__FI_____________________optionalFO_______PIPDCVPISHPISLFOPDISLDischargeorahigherstageofthecompressormax.100°CMichaelSattler,DryGasSealDivision,07/1998FlareVentN2/AirFilterunitPCVoptionalPDISH_____________________FISL_______________________________________
4、___FI______________optionalFO_______PIPDCVPISLHPISLFOPDISLDischargeorahigherstageofthecompressormax.100°CMichaelSattler,DryGasSealDivision,07/1998FlareN2/AirFilterunitPCVPDISHoptional_____________________FI______________optionalFO_______PIPDCVPISHPISLFOPDI
5、SLDischargeorahigherstageofthecompressormax.100°CMichaelSattler,DryGasSealDivision,07/1998N2VentN/Air2FilterunitFilterunitPDISHPCV_____________________FI______________optional____________________________FISH_______PI______________PDCVPDISLPISLFOPDISLDischa
6、rgeorahigherstageofthecompressormax.100°CMichaelSattler,DryGasSealDivision,07/1998MichaelSattler,DryGasSealDivision,07/1998DGS控制系统SMS系统中的主要以表（首选）过滤器:INDUFIL,Netherlands压力表:Wika,Germany压力开关:Beta,USA/Netherlands压力控制开关:GHR,GermanyFisherRosemount,USA流量表:Krohne
7、,Germany传送器:Rosemount,USA针阀:Whitey,USA背压阀:Nupro,USA各种连接装置:Swagelok,USAMichaelSattler,DryGasSealDivision,07/1998控制系统的设计冲洗气体的供应模式(适用于所有的密封结构)1.压缩机运行时和停机时的压力情况，以及相应的密封腔体的压力情况?2.可提供的冲洗气体的压力和温度情况?3.实际运行过程中压力的波动情况?Ø流量或压差控制4.计算主密封和迷宫密封的泄漏量MichaelSattler,DryGasSea
8、lDivision,07/1998控制系统的设计冲洗气体的供应模式(适用于所有的密封结构)1.主要的通风口(火炬)的压力情况?2.主要的通风口(火炬)的压力在实际运行过程中的波动情况?Ø考虑是否需要压力控制阀（PCV）FlareNVentN2/Air2FilterunitFilterunitPCVoptionalPDISH_____________________FISL_____________________
