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APPLICATION OF SMART MODULAR SAMPLE SYSTEMS AT AN OLEFINS PLANT

APPLICATION OF SMART MODULAR SAMPLE SYSTEMS AT AN OLEFINS PLANT. John B. Cumbus ExxonMobil Chemicals Baytown Olefins Plant. History. Concept first described at 1998 WAN Meeting Dan Podkulski active on IP 76 “footprint” Committee Industrial Experience has shown benefit of monitoring

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APPLICATION OF SMART MODULAR SAMPLE SYSTEMS AT AN OLEFINS PLANT

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  1. APPLICATION OF SMART MODULAR SAMPLE SYSTEMS AT AN OLEFINS PLANT John B. Cumbus ExxonMobil Chemicals Baytown Olefins Plant

  2. History • Concept first described at 1998 WAN Meeting • Dan Podkulski active on IP 76 “footprint” Committee • Industrial Experience has shown benefit of monitoring • Semi-conductor industry experience • CPAC NeSSI effort

  3. Expected Advantages • Minimum Engineering /Drafting Effort • Simplicity of Construction • Ease of Maintenance • Leverage Technicians for Higher Priority Activity • Higher Service Factors

  4. Installation Considerations • Designed for relatively clean, dry process streams (light hydrocarbons) • Sensors connected to gas chromatograph (analog inputs and analog outputs) • Power for sensors originates in the analyzer

  5. F PE PI FE FE F From Analyzer NC Analyzer Return NO Analyzer Flow Controller Atmos. Vent To Analyzer NC NC Calibration Supply Stream Valve (config-1) Calib. Shut-Off Guard Filter Sample Supply Sample Bypass NC Stream Valve (config-2) Supply Shut-Off Supply Pressure Supply Filter Pressure Transmitter Bypass Flow Controller

  6. Engineering Package • Provided by Configurator • Pressure Indicator left for Technicians • Eight Single Stream and One Dual Stream • Three Analog Outputs, Two Inputs

  7. Modular Sample System (minus MFMs)

  8. Modular System Connections Inside Enclosure

  9. New System in an Old Box

  10. Assembly Test of Smaller System (76 Pieces)

  11. Assembly Test Configuration

  12. Assembly Drawings Provided

  13. Completed Assembly

  14. Example of Mechanic’s Previous Work

  15. The “Mechanic”, Age 9

  16. Comparison of “Old” and “New” Sample Systems

  17. Sample System (Exterior) and Gas Chromatograph (Interior)

  18. Gas Chromatograph Display Panel

  19. Experience So Far • Six of Nine Systems have been in Service since early to mid December • Minor Start -Up Problems Encountered with Wiring Inside Sample System • One MFM Operated Briefly, then Ceased to Control Flow • No other Problems Encountered

  20. Conclusions • Smart Modular System has performed as expected in limited evaluation time • Expected benefits appear to be realistic • Thought should be given to GC/Controller programming and what to do with system data • Need to expand parts availability,meet electrical classification of at least Div 2

  21. John B. Cumbus • Master’s in Analytical Chemistry from Auburn University in 1979 (After Pat Sullivan, but before Bo Jackson) • Analyzer Engineer at Celanese in Bishop, Texas 1979-1981 • Analyzer Engineer at Exxon Baytown Olefins Plant 1981-Present • Chairman Exxon Chemicals NA Analyzer Network 1987-1990 • Chairman ExxonMobil Worldwide Analyzer Network 1998 to Present • Proudest of: Two Daughters and One Son • Favorite Activities: Traveling to Florida’s Beaches, Enjoying Fine Rum, and Shooting Handguns (Not at the Same Time)

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