Aspen HYSYS: Моделирование процессов (Introduction to Process Modeling using Aspen HYSYS)

Aspen HYSYS Process Simulation Overview

• Identify the benefits of process simulation
• Describe the capabilities of Aspen HYSYS
• Introduce the Aspen HYSYS graphical user interface and organizational structure

Getting Started

• Enter necessary elements to fully define a Fluid Package
• Specify required parameters in order to execute flash calculations and fully define material streams
• Modify and set desired units of measure
• Review stream analysis options
• Workshop: Introduce basic concepts necessary for creating simulations in Aspen HYSYS

Propane Refrigeration Loop

• Add and connect unit operations to build a flowsheet
• Use available tools to manipulate the user interface
• View and customize the Aspen HYSYS Workbook
• Convert a simulation case to a template
• Workshop: Build and analyze a propane refrigeration loop

Refrigerated Gas Plant

• Utilize the Heat Exchanger model in Aspen HYSYS
• Introduce mathematical operations, starting with the Balance and Adjust
• Add a Template file to an existing simulation
• Workshop: Model a simplified version of a refrigerated gas plant and incorporate multiple flowsheet architecture

Reporting in Aspen HYSYS

• Survey common result reporting techniques in Aspen HYSYS
• Generate Excel reports from the HYSYS Workbook
• Use the Report Manager to create custom unit operation and stream reports
• Discover how to report non-standard physical properties in your material streams
• Introduce Data Tables as an option to create customized simulation results tables
• Provide a brief introduction to Aspen Simulation Workbook, enabling integration between Microsoft Excel and Aspen HYSYS

Oil Characterization and HP Separation

• Introduce the Aspen HYSYS Oil Manager and Assay Management features and how they are used for assay characterization
• Perform Spreadsheet calculations in Aspen HYSYS
• Use the Case Study feature to run flowsheet-wide scenarios
• Workshop: Use the Assay Management tools to characterize a crude assay, then employ the Spreadsheet and Case Study features to determine how Gas-Oil Ratio (GOR) varies with operating pressure

Two Stage Compression

• Introduce the Recycle operation in Aspen HYSYS
• Recognize suitable locations for a Recycle operation
• Enter compressor curves to determine head and efficiency as a function of inlet flow
• Workshop: Utilize the Recycle operation to build a two stage compression flowsheet; define and activate compressor curves thus modeling a HYSYS compressor with real-world data

Heat Exchanger Rating

• Review the available heat transfer unit operations in Aspen HYSYS
• Compare and contrast the applicability and operation of different heat exchanger models
• Implement Aspen Exchanger Design & Rating (EDR) for rigorous heat exchanger calculations within Aspen HYSYS
• Introduce the Activated Exchanger Analysis feature for continuous heat exchanger study and design
• Workshop: Use a Rating model to determine if an existing heat exchanger will meet desired process specifications; design and rate a heat exchanger using the EDR interface inside Aspen HYSYS

Best Practices & Troubleshooting

• Discover Activated Analysis for continuous evaluation of economics, energy usage, equipment design, and dynamic modeling
• Identify best practices for using Aspen HYSYS
• Investigate reasons why a simulation may produce poor results or errors
• Use suggested tips to debug a variety of simulations
• Workshop: Troubleshoot a series of Aspen HYSYS simulations and implement various best practices to get these simulations to solve properly

Gas Gathering and Crude Pre-Heat Train

• Use the Pipe Segment operation to model single and multi-phase fluid flow
• Introduce Pipe Segment Flow Assurance capabilities to ensure short and long-term viability of pipelines
• Workshop Gas Gathering (O&G Focus): Use the Pipe Segment and its built-in Flow Assurance tools to model and study a piping network in Aspen HYSYS

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• Workshop Crude Pre-Heat Train (Refinery Focus): Using a variety of heat transfer, separations, and piping unit operations, construct a raw crude pre-heat train flowsheet

NGL Fractionation and Atmospheric Crude Column

• Introduce Aspen HYSYS column models and templates
• Use the Input Expert to add and define a distillation column
• Add and manipulate column specifications to meet process objectives
• Include column side operations for additional distillation configuration options
• Workshop NGL Fractionation (O&G Focus): Model a two column natural gas liquids (NGL) fractionation train

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• Workshop Atmospheric Crude Column (Refinery Focus): Construct, run, manipulate, and analyze an atmospheric crude distillation column

Gas Dehydration and Vacuum Tower & Heat Integration

• Review methods for saturating a hydrocarbon stream with water in Aspen HYSYS
• Use the Hydrate Formation Analysis to calculate hydrate formation temperatures and pressures
• Build a vacuum distillation tower with side draws and pump arounds
• Apply the Recycle operation as a flowsheet-building tool appropriate for a variety of simulations
• Workshop Gas Dehydration (O&G Focus): Model a typical gas dehydration unit and study gas saturation, hydrate formation conditions, and unit operation performance throughout the model

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• Workshop Vacuum Tower & Heat Integration (Refinery Focus): Define and analyze a vacuum distillation tower; simulate heat integration to reduce energy usage within an overall crude processing system

Optional Exercises and Extra Materials (Time Permitting)

Acid Gas Package

• Introduce the Acid Gas Property Package
• Workshop: Model an acid gas sweetening process using diethanolamine

Liquefied Natural Gas (LNG) Plant

• Use the LNG Exchanger operation to simulate multi-pass heat exchangers
• Utilize the Sub-Flowsheet to build a modularized process flowsheet
• Workshop: Model an LNG production process