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ROUND THE WORLD ROUND THE CLOCK

v2a – S&S EaA External 28-Mar-2006. www.dma-marine.com. DMA Fuel Change-over and MGO Cooling System For Retrofit and Newbuilding REV2011041001. ROUND THE WORLD ROUND THE CLOCK. E ngineering – P roduction – I nstallation – C ommissioning

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ROUND THE WORLD ROUND THE CLOCK

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  1. v2a – S&S EaA External 28-Mar-2006 www.dma-marine.com DMA Fuel Change-over and MGO Cooling System For Retrofit and Newbuilding REV2011041001 ROUND THE WORLD ROUND THE CLOCK Engineering –Production –Installation –Commissioning Specialist in Marine and Offshore HVAC Systems

  2. Agenda 1. DMA introduction 2. Background 3. Process of HFO/MGO change over 4. Principle of MGO cooler system 5. Scope of Supply for DMA MGO System 6. Engineering and Design 7. Production and Fabrication 8. Installation 9. Commissioning

  3. 1. DMA Introduction • DM Alscott • Factory established in 2003 • JV established in 2008 Together, we do more.

  4. 2. Background IMO have ratified 200 NM of the North American coastline as a SECA area by the Aug. 2012 – 0.1% Sulphur effective from January 1st 2015

  5. 2. Background

  6. 3. Process of HFO/MGO change over Change-over valve Preferential position for Cooler Optional position for Cooler

  7. 3. Process of HFO/MGO change over • Regulate the index of engine, around 25~40%. • Shut off steam tracing & steam to pre-heater. • Monitor viscosity: 2 cSt ~ 20 cSt. • ViscoSense (4~20mA) signal • input the control box of DMA cooling system. • 5. Start DMA cooling system, the chilled water is available in stand-by. • 6. Initiate the change-over on touch screen from HFO to MGO. • Then the MGO will add into circulating line gradually. • 7. The rate of temperature drop of fuel inlet to the circulating line is controlled to not exceed 2℃ per minute. • 8. MGO cooler is ready to cool the fuel oil per the viscosity of fuel oil in circulating line.

  8. 4. Principle of MGO Cooler System Basing on P&ID, the 3-way Valve is installed in the cooling water line, whereas the Temperature Sensor is mounted at the Plate Heat Exchanger oil outlet. The temperature of fuel outlet will be controlled by the Controller.

  9. 5. Scope of Supply for DMA MGO SYS. 5.1. Fuel change-over valve 5.2. Chiller unit 5.3. Pump unit 5.4. Buffer tank 5.5. PHE Cooler unit 5.6. Accessories

  10. 5. Scope of Supply for DMA MGO SYS. Fig. 5.1 Change-over Valve

  11. Fig. 5.2 Marine Water-Cooled Chiller 5. Scope of Supply for DMA MGO SYS.

  12. Fig. 5.3 WaterPump Unit 5. Scope of Supply for DMA MGO SYS.

  13. Fig. 5.4 Buffer Tank 5. Scope of Supply for DMA MGO SYS.

  14. Fig. 5.5 Fuel Oil Cooler Unit 5. Scope of Supply for DMA MGO SYS.

  15. 6. Engineering and Design 6.1. Capacity calculation by Software

  16. 6. Engineering and Design 6.2. P&ID

  17. 6. Engineering and Design 6.3. Program for MGO change-over

  18. 7. Production and Fabrication 7.1. Factory

  19. 7. Production and Fabrication 7.2. Assembly, Painting, Store

  20. 8. Installation 8.1. Finding place for plants on vessel

  21. 8. Installation 8.2. Finding place for control box

  22. 8. Installation 8.3. Finding cooling-water source for chiller sys.

  23. 8. Installation 8.4. Finding fresh-water source for chiller sys.

  24. 8. Installation 8.5. Making foundation for plants

  25. 8. Installation 8.6. Rigging and mounting

  26. 8. Installation 8.7. Finding cutting points for AE

  27. 8. Installation 8.8. Finding cutting point for ME

  28. 8. Installation 8.9. Making isolated and bypass valves for fuel pump

  29. 8. Installation 8.10. Connecting fuel piping

  30. 8. Installation 8.11. Connecting water piping

  31. 8. Installation 8.12. Making insulation for fuel piping

  32. 8. Installation 8.13. Routing cable for plants

  33. 8. Installation 8.14. Mounting change-over valve

  34. 8. Installation 8.15. Mounting change-over valve

  35. 9. Commissioning 9.1. Checking wiring

  36. 9. Commissioning 9.2. Signing check list by Owner

  37. 9. Commissioning 9.3. Signing check list by Owner

  38. 9. Commissioning 9.4. Signing check list by Owner

  39. www.dma-marine.com Thanks for your interest in DMA. For more information, Please visit our Website : Website: www.dma-marine.com

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