Aspen HYSYS: Продвинутое моделирование процессов (ADVANCED SOLUTIONS USING ASPEN HYSYS)

Getting Started

• Apply Aspen HYSYS simulation-building techniques to build a turbo expander/fractionation plant model
• Use the LNG Exchanger operation to simulate multi-pass heat exchangers
• Link process variables using the Set logical operation
• Apply physical properties via the Correlation Manager
• Workshop: Construct a comprehensive Turbo Expander/Fractionation Plant model

Advanced Columns

• Build customized column model configurations in Aspen HYSYS
• Introduce efficiency by discussing theoretical versus actual stage calculation approaches
• Perform hydraulic calculations on column trays and packing using the Aspen HYSYS- Column Analysis
• Workshop: Customize standard HYSYS column models for more detailed condenser and reboiler modeling and investigate the influence of stage efficiencies and column internals on tower performance.

Real Separators

• Model separators to include carryover and better account for imperfect separation 
• Predict the effect of vessel geometry and secondary separation devices on mitigating liquid carryover 
• Workshop: Define and predict carryover for a HYSYS separator based on defined process conditions, vessel parameters, and secondary separation devices

Safety Analysis Environment

• Identify HYSYS Safety Analysis Environment as a comprehensive, process-wide pressure relief modeling tool 
• Size and rate pressure safety valves (PSVs) for single or multiple relief scenarios 
• Demonstrate how to setup and report results from PSV calculations in the Safety Analysis Environment 
• Workshop: Perform pressure safety valve (PSV) sizing calculations for various relief scenarios and generate compliance reports

BLOWDOWN™

• Use BLOWDOWN™ in Aspen HYSYS to predict process conditions inside vessels and associated valves during pressure let-downs and emergency scenarios
• Size single pressure safety valves and blowdown valves to safely meet the relief conditions in your process
• Workshop: Use BLOWDOWN™ Analysis to size a valve for vessel blowdown and rate a relief valve for a fire case

Acid Gas Cleaning

• Identify different Acid Gas Property Packages
• Discuss how the Acid Gas Property Packages addresses the challenges of modeling acid gas cleaning processes such as electrolyte thermodynamics, column non-ideality, and solvent make-up
• Workshop: Model an acid gas sweetening process using mixed amines and study the effect of introducing a second amine to a blend

Optimization

• Review optimization techniques and options in Aspen HYSYS
• Use the Spreadsheet operation to define an objective function for the Original Optimizer
• Discover the Hyprotech SQP Optimizer as an alternative to the Original Optimizer for more complex calculations
• Workshop: Use the available optimization methods to maximize profit in a Turbo Expander/Fractionation Plant

Equation-Oriented Simulation

• Demonstrate Equation Oriented (EO) modeling in Aspen HYSYS V11.0
• Demo: Convert an existing case to EO and synchronize results

Optional Topics 

Reactors

• Introduce the available reactor unit operation models in Aspen HYSYS
• Create chemical reactions and reaction sets
• Workshop: Model a simplified synthesis gas production flowsheet using a variety of reactor types

Sulsim

• Discuss the modified Claus process, the reactions involved, and how to optimize its conversion
• Use Sulsim’s empirical models to develop predictive and fully-rigorous simulations of the sulfur recovery process
• Introduce various Sulsim unit operation models and optimization techniques
• Workshop: Model a Sulfur Recovery Unit (SRU) by configuring the thermal and catalytic stages using the Specialized Sulfur Recovery Sub-Flowsheet tools and increase the overall performance using the Air Demand Analyzer