Slide 1: www.alfalaval.com
www.alfalaval.com
Slide 2: Welcome to Maximize Efficiency in your Refinery
Welcome to “Maximize Efficiency in your Refinery”! We recommend you use the Microsoft Team app and high-speed internet to access this webinar 11/11/2020 | © Alfa Laval 2 |www.alfalaval.com
Slide 3: Maximize Efficiency in your Refinery
Eva Andersson Speaker 1 Wivika Laike Speaker 2 Maximize Efficiency in your Refinery Focus Area: Crude Distillation Pre Heat Train Optimization and Naphtha Hydrotreater Feed-Effluent Exchanger Erasmo Gallese Host 11/11/2020 | © Alfa Laval 3 |www.alfalaval.com
Slide 4: Waiting slide
Waiting slide Eva Andersson Speaker 1 Wivika Laike Speaker 2 Maximize Efficiency in your Refinery Focus Area: Crude Distillation Pre Heat Train Optimization and Naphtha Hydrotreater Feed-Effluent Exchanger Erasmo Gallese Host 11/11/2020 | © Alfa Laval 4 |www.alfalaval.com
Slide 5: 11/11/2020 | © Alfa Laval 5 | www.alfalaval.com
11/11/2020 | © Alfa Laval 5 |www.alfalaval.com
Slide 6: Thank you for attending!
Eva Andersson Speaker 1 Wivika Laike Speaker 2 Thank you for attending! Erasmo Gallese Host 11/11/2020 | © Alfa Laval 6 |www.alfalaval.com
Slide 7: www.alfalaval.com
www.alfalaval.com
Slide 8: Maximizing Crude Distillation Efficiency with Alfa Laval Solutions
Eva Andersson Alfa Laval Refinery Industry Manager Maximizing Crude Distillation Efficiency with Alfa Laval Solutions Focus Area: Retrofit & Revamp of existing Crude Units 11/11/2020 | © Alfa Laval 8 |www.alfalaval.com
Slide 9: Outline of the Webinar
Outline of the Webinar • Top Challenges of Crude Distillation • The Problem Solver • Improve the process efficiency: • Step 1, 2 and 3 • Real Cases implemented in each Step above 11/11/2020 | © Alfa Laval 9 |www.alfalaval.com
Slide 10: Top Challenges of Crude Distillation
Top Challenges of Crude Distillation − And the impact of traditional heat exchanger solutions LPG & Light Naphtha M Crude oil feed • Capacity / Throughput Heavy Naphtha • Product yield/quality Kerosene Q CO2 LGO • Energy Efficiency HGO • Availability / Uptime / Reliability Atmospheric residue Prehea
Slide 11: The Problem Solver
The Problem Solver − Compabloc welded plate heat exchanger • Heat Transfer Efficiency − 3-5 times higher efficiency compactly assembled -> 4000 m2 S&T HTA* fits in 3 m2 plot space − Single exchanger replaces up to 8 S&Ts in series -> Reduced overall PHT pressure drop • Fouling Tendency − Up to 10 ti
Slide 12: Compabloc deliveries to CDU/VDU Distillation
Compabloc deliveries to CDU/VDU Distillation − A technically proven solution • > 1000 Compabloc delivered to CDU/VDU process since 1994 • > 25 PHTs consisting only of Compabloc exchangers • > 170 Compabloc delivered for OVHD condensing 11/11/2020 | © Alfa Laval 12 |www.alfalaval.com
Slide 13: Step 1: Last position(s) in CDU PHT
Step 1: Last position(s) in CDU PHT − Case Study: North European Refinery, 220 kbbl/day CDU COMPABLOC SOLUTION Case Study: ✓ Minimized fouling tendency − Improves energy efficiency − De-bottlenecks pump & heater limitations − Provides adequate cooling of pump-arounds fluids ✓ Increased energy recove
Slide 14: Step 2: OVHD condensing
Step 2: OVHD condensing − Case Study: South European Refinery, 120 kbbl/day CDU COMPABLOC SOLUTION Case Study: ✓ Increased crude preheating − Improved desalter efficiency, and/or − Reduced fuel consumption/emissions ✓ Reduced pressure drop in OVHD system − Further reduced fuel consumption/emissions,
Slide 15: Step 3: Major Revamp
Step 3: Major Revamp − Case Study: East European Refinery, 85 kbbl/day CDU COMPABLOC SOLUTION Case Study: ✓ Maximized crude preheating − Hot end of PHT + OVHD to crude + around the pinch point − Minimized fuel consumption/emissions – at least 25% reduction ✓ Reduced pressure drop in overall PHT − Po
Slide 16: Top Challenges of Crude Distillation
Top Challenges of Crude Distillation − And your problem solver ✓ Capacity / Throughput Let us discuss how we can help ✓ Product yield/quality you maximize the efficiency of your Crude Distillation! ✓ Energy Efficiency ✓ Availability / Uptime / Reliability 11/11/2020 | © Alfa Laval 16 |www.alfalaval.
Slide 17: Naphtha Hydrotreater Feed-Effluent Exchanger
Maximize Efficiency in your Refinery Naphtha Hydrotreater Feed-Effluent Exchanger Wivika Laike 11/11/2020 | © Alfa Laval 17 |www.alfalaval.com
Slide 18: Outline of the presentation
Outline of the presentation −Overall Challenges of Naphtha Hydrotreater Preheating −Hydrotreater Preheating Design Challenges −Real Case stories from the field 11/11/2020 | © Alfa Laval 18 |www.alfalaval.com
Slide 19: Typical Hydrotreating Process
Typical Hydrotreating Process 11/11/2020 | © Alfa Laval 19 |www.alfalaval.com
Slide 20: Europe Hydrotreating Capacity
Europe Hydrotreating Capacity − 13 MBD Production Capacity in Europe 90GW 9GW savings 2-9MW per unit 11/11/2020 | © Alfa Laval 20 |www.alfalaval.com
Slide 21: Overall Challenges for Hydrotreating Preheating
Overall Challenges for Hydrotreating Preheating •Capacity limitations •Reliability •Project ROI •Sustainability 11/11/2020 | © Alfa Laval 21 |www.alfalaval.com
Slide 22: Hydrotreating Preheating Design Challenges
Hydrotreating Preheating Design Challenges 11/11/2020 | © Alfa Laval 22 |www.alfalaval.com
Slide 23: Thermal Design
Thermal Design − Heat Release Curve 11/11/2020 | © Alfa Laval 23 |www.alfalaval.com
Slide 24: Thermal Design: Heat Release Curve
Thermal Design − Heat Release Curve Dry Point Gas Heating Feed Vaporization 11/11/2020 | © Alfa Laval 24 |www.alfalaval.com
Slide 25: Thermal Design: Heat Release Curve
Thermal Design − Heat Release Curve Gas Cooling Dew Point Effluent Condensing 11/11/2020 | © Alfa Laval 25 |www.alfalaval.com
Slide 26: Thermal Design: Heat Release Curve
Thermal Design − Heat Release Curve Effluent HAT Pinch Point CAT Feed 11/11/2020 | © Alfa Laval 26 |www.alfalaval.com
Slide 27: Thermal Design: Pinch Point
Thermal Design − Pinch Point Duty (MW) HAT (oC) CAT (oC) Pinch (oC) Area Curve 1 14 47 50 19 1X Curve 2 15.4 23 26 7 > 2X 11/11/2020 | © Alfa Laval 27 |www.alfalaval.com
Slide 28: Case Stories
Case Stories 11/11/2020 | © Alfa Laval 28 |www.alfalaval.com
Slide 29: Case Story 1: Refinery in Europe
Case Story 1: Refinery in Europe Debottleneck NHT & heat Integration improvement Hot approach Internal pinch CFE heat exchanger S&T (Cold End) + temperature 30˚C temperature 11˚C 10MW savings & <12 Compabloc (Hot End) months payback time! 11/11/2020 | © Alfa Laval 29 |www.alfalaval.com
Slide 30: Case Story 2: Canadian Refinery
Case Story 2: Canadian Refinery Debottleneck to Increase Throughput Capacity increase Permitted No Space to add in CRACKED HDS Heater Emission Cap exchangers. Naphtha capacity limitation reached How to Debottleneck? Hydrotreater 20% Capacity Increase & <12 months payback time! - Low pressure drop de
Slide 31: Summary
Summary • Several design challenges to Naphtha Hydrotreater preheating exists • By using CP technology the heat recovery in the CFE can be increased by 10% or more • This means reduced load on your reactor heater and effluent cooler, enabling large Q3 2017 Publication energy savings or opportunities
Slide 32: Thank you for attending!
Eva Andersson Speaker 1 Wivika Laike Speaker 2 Thank you for attending! Erasmo Gallese Host 11/11/2020 | © Alfa Laval 32 |www.alfalaval.com