1 / 24

CHEN 4460 – Process Synthesis, Simulation and Optimization

Heat and Power Integration. CHEN 4460 – Process Synthesis, Simulation and Optimization Dr. Mario Richard Eden Department of Chemical Engineering Auburn University Lab Lecture No. 6 – Heat and Power Integration November 6, 2012. Example 1.

lance-kent
Download Presentation

CHEN 4460 – Process Synthesis, Simulation and Optimization

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Heat and Power Integration CHEN 4460 – Process Synthesis, Simulation and Optimization Dr. Mario Richard EdenDepartment of Chemical EngineeringAuburn University Lab Lecture No. 6 – Heat and Power Integration November 6, 2012

  2. Example 1 • Given the stream information below, design the MER network Tmin = 10 oC

  3. Example 1 – Solution Tmin = 10 oC Temperature Driving ForceTH-ΔT

  4. Example 1 – Solution Tmin = 10 oC Temperature Driving ForceTH-ΔT

  5. Example 1 – Solution Tmin = 10 oC Temperature Driving ForceTH-ΔT

  6. Example 1 – Solution Tmin = 10 oC Temperature Driving ForceTH-ΔT

  7. Example 1 – Solution Tmin = 10 oC Temperature Driving ForceTH-ΔT

  8. Example 1 – Solution • Enthalpy Cascade Diagram T Cold pinch : 140 QH min : 60 QC min: 225

  9. Cp 150oC 150oC 180oC 1 40oC 2 150oC 150oC 150oC 2 40oC 4 140oC 140oC 180oC 3 60oC 3 140oC 140oC 105oC 4 30oC 2.6 Example 1 – Solution • HEN Grid Diagram T Cold pinch : 140 QH min : 60 QC min: 225

  10. Example 1 – Solution • HEN Grid Diagram Cp 150oC 150oC 180oC 1 40oC 2 150oC 150oC 150oC 2 40oC 4 140oC 140oC 180oC 3 60oC 3 140oC 105oC 105oC 4 30oC 2.6 T Cold pinch : 140 QH min : 60 QC min: 225

  11. 60 kW 60 kW H Example 1 – Solution • HEN Grid Diagram Cp  150oC 150oC 180oC 1 40oC 2 150oC 150oC 150oC 2 40oC 4  160oC 140oC 140oC 180oC 3 60oC 3 140oC 105oC 105oC 4 30oC 2.6 T Cold pinch : 140 QH min : 60 QC min: 225 

  12. 25 kW C 240 kW 200 kW C 195 kW Example 1 – Solution • HEN Grid Diagram Cp 60 kW 52.5oC   150oC 150oC 180oC 1 40oC 2  150oC 150oC 90oC 150oC 2 40oC 4 60 kW   160oC 140oC 140oC 180oC H 3 60oC 3  140oC 105oC 105oC 4 30oC 2.6 T Cold pinch : 140 QH min : 60 QC min: 225  

  13. Example 2 • Given the stream information below, design the MER network Tmin = 10 oC

  14. Example 2 – Solution Tmin = 10 oC Temperature Driving ForceTH-ΔT

  15. Example 2 – Solution Tmin = 10 oC Temperature Driving ForceTH-ΔT

  16. Example 2 – Solution Tmin = 10 oC Temperature Driving ForceTH-ΔT

  17. Example 2 – Solution Tmin = 10 oC Temperature Driving ForceTH-ΔT

  18. Example 2 – Solution Tmin = 10 oC Temperature Driving ForceTH-ΔT

  19. Example 2 – Solution • Temperature Interval Diagram

  20. Example 2 – Solution • Enthalpy Cascade Diagram T Cold pinch : 80 QH min : 80 QC min: 50

  21. Example 2 – Solution • HEN Grid Diagram Cp 90oC 90oC 180oC 1 60oC 3 90oC 90oC 150oC 2 30oC 1 80oC 80oC 135oC 3 30oC 2 80oC 80oC 140oC 4 80oC 5 T Cold pinch : 80 QH min : 80 QC min: 50

  22. Example 2 – Solution • HEN Grid Diagram Cp 90oC 90oC 180oC 1 60oC 3 90oC 90oC 150oC 2 30oC 1 80oC 80oC 135oC 3 30oC 2 80oC 80oC 140oC 4 80oC 5 T Cold pinch : 80 QH min : 80 QC min: 50

  23. 270 kW 60 kW 50 kW 30 kW H H Example 2 – Solution • HEN Grid Diagram Cp  90oC 90oC 180oC 1 60oC 3  90oC 90oC 150oC 2 30oC 1  110oC 80oC 80oC 135oC 3 30oC 2 134oC  80oC 80oC 140oC 4 80oC 5 T Cold pinch : 80 QH min : 80 QC min: 50 

  24. 270 kW 90 kW 60 kW 10 kW 50 kW 50 kW 30 kW H C H Example 2 – Solution • HEN Grid Diagram Cp   90oC 90oC 180oC 1 60oC 3  80oC  90oC 90oC 150oC 2 30oC 1  35oC 110oC  80oC 80oC 135oC 3 30oC 2 134oC  80oC 80oC 140oC 4 80oC 5 T Cold pinch : 80 QH min : 80 QC min: 50  

More Related