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Accumulator Design | CAD drawings & Design Services | Sandhya

 Engineering Services for Accumulators

  1. Accumulator Process Design Services
    – Sizing, phase behavior analysis, surge capacity evaluation, and dynamic response modeling.

  2. ASME-Compliant Accumulator Mechanical Design
    – Complete pressure vessel design per ASME Section VIII with design pressure, wall thickness, and material specs.

  3. Accumulator Sizing Calculations and Volume Optimization
    – Calculations for hold-up volume, vapor-liquid disengagement, and residence time.

  4. Accumulator Piping Design and Layout
    – Inlet/outlet piping, vapor return lines, liquid draw-off, and pressure drop considerations.

  5. Civil and Structural Foundation Design for Accumulators
    – Load-bearing base design, skid-mounted or fixed foundation with seismic/wind load calculations.

  6. Accumulator P&ID Development
    – Full process and instrumentation diagram showing control valves, level controllers, safety interlocks.

  7. Pump Selection and Integration with Accumulator Systems
    – Feed and discharge pump design for pressure control and surge management.

  8. Instrumentation and Control System for Accumulators
    – Design of level transmitters, pressure gauges, temperature monitoring, and automated valve control.

  9. Heat Exchanger Integration with Accumulators
    – Integration of reboilers, coolers, or preheaters where heat recovery or conditioning is needed.

  10. Day and Temporary Storage Tank Design for Accumulator Systems
    – Design of surge tanks or buffer storage linked with the accumulator for overflow or feed balancing.

  11. Accumulator Internals Design (Vane Packs, Demisters)
    – Internal design for effective phase separation and flow distribution.

  12. Accumulator Simulation and Modeling (Aspen/HYSYS/DWSIM)
    – Process simulation for dynamic and steady-state performance checks.

  13. Accumulator Thermal and Pressure Transient Analysis
    – Studies on temperature and pressure fluctuation effects during upset or trip scenarios.

  14. Accumulator Material Selection and Corrosion Analysis
    – Selection of proper metallurgy for corrosive, high-pressure, or cryogenic service.

  15. Pressure Relief and Safety Device Design for Accumulators
    – Relief valves, rupture discs, and pressure containment analysis per API 520/521.

  16. Accumulator Instrumentation Hook-up and Loop Diagrams
    – Wiring diagrams and signal flow for PLC/SCADA integration.

  17. Accumulator Layout and 3D Equipment Modeling
    – Complete spatial design and CAD drafting for layout and interconnecting systems.

  18. Accumulator Commissioning and Standard Operating Procedures (SOPs)
    – On-site startup support, function tests, SOP development, and documentation.

  19. Accumulator Retrofit and Upgrade Services
    – Modifying or scaling up existing accumulator systems for new performance requirements.

  20. Inspection, Maintenance Planning & Shutdown Services for Accumulators
    – Inspection schedules, NDT planning, and preventive maintenance frameworks.

 

Accumulator Types and Application Names

  1. Reflux Drum Accumulator
    – Used in distillation systems to collect condensed overhead vapor before refluxing or product withdrawal.

  2. Suction Drum Accumulator
    – Installed before compressors or pumps to ensure steady suction pressure and prevent liquid carryover.

  3. Flash Gas Accumulator
    – Separates flash gas from the liquid in refrigeration or LNG systems after pressure reduction.

  4. Steam Accumulator
    – Stores steam for release during peak demand periods in power plants or process heating systems.

  5. Surge Drum Accumulator
    – Provides surge volume to handle flow variations or system upsets in process systems.

  6. Liquid Surge Accumulator
    – Manages sudden volume changes in pipelines and systems with highly variable flow.

  7. Gas Surge Accumulator
    – Helps regulate pressure transients in gas handling systems.

  8. Phase Separator Accumulator
    – Separates and stores gas and liquid phases after expansion or phase change.

  9. Intermediate Pressure Accumulator
    – Stores gas or liquid at a pressure between high- and low-pressure levels in multistage systems.

  10. High-Pressure Accumulator
    – Used in hydraulic or gas systems to store high-pressure energy for sudden release or backup.

  11. Low-Pressure Accumulator
    – Provides low-pressure buffering in vapor recovery or gas handling units.

  12. Ammonia Refrigeration Accumulator
    – Stores ammonia liquid and vapor for stable supply in refrigeration cycles.

  13. Glycol Accumulator
    – Used in TEG dehydration systems to buffer glycol solution and prevent flooding.

  14. Crude Oil Accumulator
    – Installed in upstream oil & gas facilities to manage fluctuations in crude production.

  15. LPG Accumulator
    – Buffers liquefied petroleum gas (LPG) in bottling or distribution systems.

  16. Boiler Feedwater Accumulator
    – Stabilizes flow of preheated water into boilers during steam demand fluctuations.

  17. Knockout Drum Accumulator
    – Functions both as a knockout drum and a temporary accumulator for liquid removal.

  18. Hydraulic Accumulator
    – Used in mechanical and hydraulic systems to absorb shock, store energy, and maintain pressure.

  19. Flash Accumulator
    – Separates vapor and liquid after a flash event due to pressure or temperature drop.

  20. Distillation Bottoms Accumulator
    – Holds separated liquid from the bottom of distillation columns before further processing.

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