Pressure Vessel Design Consultancy – 20 Services for Debutanizer Column

1. ASME Section VIII compliant column design

2. Tray or packing selection based on process requirements

3. Mechanical and structural design of column

4. FEA (Finite Element Analysis) for thermal and stress analysis

5. Vessel and internals support design (flanges, nozzles, saddles)

6. Corrosion analysis and material selection

7. Energy optimization design for reboiler and condenser

8. Hydraulic design for vapor-liquid distribution

9. Nozzle load analysis (WRC-107/297)

10. Vibration and seismic analysis for column stability

11. Pressure and temperature profile simulations for design validation

12. Welding procedure development and inspection support

13. 3D modeling and detailed fabrication drawings

14. Fabrication quality assurance and NDT services

15. Instrumentation interface design (level, pressure, temperature)

16. Startup and shutdown procedure design support

17. Hydrotesting and commissioning support

18. Column inspection and maintenance planning

19. Flow assurance and process troubleshooting

Performance validation through HAZOP and SIL studies

 1. Debutanizer Column System Design & Engineering Scope

📌 Piping Design

1. Feed inlet piping from the fractionator or upstream system

2. Overhead product line for C4s or LPG

3. Bottom product piping for heavier hydrocarbons

4. Reflux return piping to the column

5. Steam supply and condensate return lines

6. Bypass lines for maintenance or emergencies

7. Level control lines for instrumentation

8. Pressure relief and vent lines to flare

9. Chemical injection lines for anti-fouling agents or corrosion inhibitors

10. Utility piping (cooling water, service air, etc.)

📌 Civil & Foundation Engineering

1. Foundation design for the debutanizer column (dynamic and static loads)

2. Pipe supports and structural racks

3. Tank farm and piping rack foundations

4. Stormwater management and bunding

5. Equipment platforms for access to top trays, nozzles, and instrumentation

6. Cabling trenches and electrical infrastructure

7. Soil investigation and settlement analysis

8. Wind and seismic load analysis for structural supports

📌 Pumps (Related to Debutanizer System)

1. Reflux pump for returning condensed liquid

2. Bottoms product pump for removal of heavy fraction

3. Reboiler feed pump

4. Cooling water pumps for column overhead condenser

5. Steam condensate return pumps

6. Slop and chemical injection pumps

📌 P&ID (Piping & Instrumentation Diagram)

1. Column feed inlet and control valve schematic

2. Reflux and bottom product control loops

3. Pressure control loops for column pressure maintenance

4. Level control for the reflux drum and bottom product drum

5. Safety relief valve locations for overpressure protection

6. Temperature and pressure transmitters for column monitoring

7. Steam and condensate flow loops to the reboiler and condenser

8. Instrumentation for feed and product flow measurement

📌 Related Heat Exchangers

1. Column condenser for overhead product cooling

2. Reboiler for providing heat to the column’s bottom section

3. Intercoolers for any multistage compression or cooling needs

4. Heat recovery exchangers for reducing energy consumption

5. Condensate coolers for recycled water

6. Product cooling exchangers for the column bottom product

📌 Instrumentation

1. Temperature transmitters for the column trays

2. Pressure transmitters for overhead and bottom pressure control

3. Flow meters for feed and product flow

4. Level transmitters for reflux and bottoms drum

5. Conductivity probes for detecting water content in overhead products

6. Vibration and monitoring sensors for reboiler and pump systems

7. pH meters (if applicable for specific process)

8. Differential pressure gauges for tray or packing column monitoring

📌 Related Day & Temporary Storage Tanks

1. Overhead product storage tank for lighter hydrocarbons

2. Bottom product storage tank for heavier hydrocarbons

3. Reflux drum for storing condensed liquid

4. Condensate tanks for water or steam condensate collection

5. Temporary surge tank for flow balancing

6. LPG storage tanks for C4 product

📌 Process Design

1. Tray or packed column design (based on efficiency and capacity)

2. Energy balance for heating and cooling needs

3. Temperature profiles throughout the column

4. Flow rate optimization for feed, reflux, and bottoms

5. Pressure profiles along the column

6. Vapor-liquid equilibrium data for the separation process

7. Column diameter and height calculations

8. Hydraulic and mass balance design

9. Contingency design for upset conditions and startup sequences

📌 Mechanical Design

1. Column design per ASME and API standards

2. Tray design (sieve, valve, or structured packing)

3. Column shell thickness calculation and reinforcement

4. Flange and nozzle design (for feed, products, steam, and instrumentation)

5. Corrosion allowance and material selection (nickel alloys, carbon steel, etc.)

6. Reboiler and condenser mechanical design

7. Support system for column including saddles and supports

8. Welding procedures and quality control

 Surge Tank Applications – 20 Relevant Uses

1. Column feed surge tank for flow balancing

2. Reflux surge drum for steady column operation

3. Bottoms product surge tank

4. Overhead product surge tank

5. Cooling water surge drum

6. Bypass flow surge tank

7. Slop tank for off-spec product

8. Pressure relief surge tank (PSV discharge containment)

9. Chemical injection surge tank

10. Temporary storage surge tank during startup/shutdown

11. Steam drum surge tank

12. Flare knock-out surge tank

13. Condensate surge tank

14. Gas surge tank for pre-compression systems

15. Recovery system surge tank for gas recovery processes

16. Vapor recovery surge tank

17. Topping tower surge tank

18. Intermediate product storage surge vessel

19. Product blending surge tank

20. Water treatment system surge tank