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Optimizing Analyzer Systems: From Pipeline to Pixel in Chemical Measurements

This workshop, led by Jeff Gunnell from ExxonMobil Chemical Company, focuses on the critical aspects of designing analyzer systems for chemical processes. Key objectives include efficiently extracting samples from processes, ensuring valid measurements, and integrating results with the DCS for optimal maintenance and operations. Constraints such as cost and added value are discussed, alongside technologies like NeSSI and CoNNI. Additionally, practical design strategies, component selection, and maintenance ease are covered using the DOE schematic as a framework.

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Optimizing Analyzer Systems: From Pipeline to Pixel in Chemical Measurements

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Presentation Transcript

  1. From Pipeline to Pixel CPAC / NeSSI Workshop 6 May, 2004 Ringmaster: Jeff Gunnell ExxonMobil Chemical Company

  2. What are our objectives when we design an analyser system? • Get a sample out of the process and into contact with an analyser • Make a measurement and check that the result is valid • Send the result to the DCS • Facilitate maintenance

  3. What constraints are we designing to? • Cost of build • Cost ownership • Value added

  4. What are the technologies which we can use? • NeSSI • CoNNI • AppI

  5. Pipeline to Pixel: objectives for today • How to design a NeSSI sample system? • How to connect up the measurement domain? • How to get data through to the DCS? • How to maintain the system?

  6. Using the DoE schematic as an example • Look at the design of the sample system • Celerity, CIRCOR, Parker, Swagelok • Select transducers and components • CPAC web-tool • Review SAM and the measurement domain • Honeywell • Learn about OPC as a connectivity mechanism • Matricon • Consider how to make maintenance easy • Antelope

  7. The DOE schematic • 2 process streams, zero and span • Liquid or vapour process samples • GC or other analysers • Quite a few sample controllers and sensors • Hazardous area • Heaters for substrate and enclosure CLICK FOR SCHEMATIC

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