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Pipelines

Pipelines. DYSTIFF s.r.o., Olomouc. Revamping of the Vacuum Distillation Unit. Piping stress and strength calculation of 30 pipelines according to B31.3. Medium: process gas, heavy vacuum gas, vacuum residue Load s : Temperature (up to 400°C) Pressure (up to 4 MPa) Wind (160 km/h)

julian-murphy
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Pipelines

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  1. Pipelines DYSTIFF s.r.o., Olomouc

  2. Revamping of the Vacuum Distillation Unit Piping stress and strength calculation of 30 pipelines according to B31.3. Medium: process gas, heavy vacuum gas, vacuum residue Loads: • Temperature (up to 400°C) • Pressure (up to 4 MPa) • Wind (160 km/h) • Seismic load (UBC 1997 – Seismic zone 3)

  3. Types of performed hospitalizations: - nozzle loads reduction - stress peak reduction - displacements reduction during occasional loads Types of changes: - change type of supports - adding new supports - change of piping geometry

  4. Some plots of pipelines

  5. Some plots of pipelines

  6. Some plots of pipelines

  7. Some plots of pipelines

  8. Some plots of recommended improvements

  9. Some plots of recommended improvements

  10. Some plots of recommended improvements

  11. Some plots of recommended improvements

  12. Hot Reheated SteamPiping Stress analysis of Hot Reheated Steam (HRH).Branch from two boilers to turbine body and to condenser calculated according to B31.1. Support design evaluated. Medium: superheated steam Loads: • Temperature (570°C) • Pressure (2,65 MPa) • Wind (110 km/h) • Seismic load (UBC 1997 – Seismic zone 2A)

  13. Types of performed optimalizations: - boilers, condenser and turbine loads reduction - stress peak reduction - displacements reduction during occasional loads Types of changes: - change type of supports - change of piping geometry

  14. Plot of pipeline

  15. LPSteam Piping Stress analysis of LP Steam. Branches from two boilers to turbine body and to deaerator according B31.1.Support design evaluated. Medium: LP steam Loads: • Temperature (314°C) • Pressure (0,96 MPa) • Wind (110 km/h) • Seismic load (UBC 1997 – Seismic zone 2A)

  16. Plot of pipeline

  17. Piping of Coke Removal Unit Stress analysis pipelines according to B31.3 Medium: quench oil Loads: • Temperature (200/350°C) • Pressure (1,25 MPa) • Wind (45 m/s) • Seismic load (UBC 1997 – Seismic zone 2A)

  18. Types of performed optimalizations: - nozzle loads reduction - stress peak reduction - displacements reduction during occasional loads Types of changes: - change type of supports

  19. Plot of pipeline

  20. Plot of pipeline

  21. Plots of recommended improvements

  22. Plot of recommended improvements

  23. MUG drying piping systems Stress analysis pipelines according to B31.3 Medium: liquid ammonia Loads: - Temperature (up to 55°C) - Pressure (up to 36 MPa) - Wind (160km/h) - Seismic load (UBC 1997 – Seismic zone 2A)

  24. Plot of piping (first part)

  25. Plot of piping (second part)

  26. Dynamic calculation model of the vessel 123-F with the shape of the first eigenfrequency

  27. Dynamic calculation model of the vessel 401-C with the shape of the first eigenfrequency

  28. Dynamic calculation model of the vessel 403-F with the shape of the first eigenfrequency

  29. Dynamic calculation model of the vessel 404-F with the shape of the first eigenfrequency

  30. Pipingof Heating Station Piping stress and strength calculation after reconstruction according to B31.3. Spring hangers design evaluated. Medium: steam Loads: • Temperature (250°C) • Pressure (0,3 MPa)

  31. Plot of piping

  32. PipelineConnected to Vacuum Column Piping stress and strength calculation pipeline connected to vacuum column according to B31.3and attached nozzles according to EN 13445. Medium: gas hydrocarbon Loads: • Temperature (395°C) • Pressure (0,27 MPa)

  33. Plot of piping

  34. Plots of nozzles

  35. Auxiliary pipe system of main coolant pump Piping stress and strength calculation auxiliary pipeline connected to main coolant pump according to NTD (Russian standard for Nuclear Power Plant). Medium: demineralized water Loads: • Temperature (up to 150°C) • Pressure (up to 24,5 MPa)

  36. Plot of piping

  37. Hot water transferring pipeline Piping stress and strength calculation pipeline according to EN 13480. Medium: water Loads: • Temperature (80/140°C) • Pressure (1,6 MPa)

  38. Plot of piping

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