- введение в моделирование новых и существующих процессов
- моделирование построения технологического процесса и устранения неполадок
- сокращение времени процесса проектирования путем оценки различных конфигураций установки
- определение оптимальных условий процесса для новых или существующих процессов
- помощь в устранении «узких мест» в процессах
CEUs: 2.1 Оригинальное описание курса на сайте компании AspenTech
Данный курс ориентирован на:
- инженеров, не знакомых с Aspen Plus, которым требуется базовая подготовка
- пользователей Aspen Custom Modeler®, которым требуется дополнительное обучение моделированию как подготовка к использованию Aspen Plus Dynamics®
- инженеров по моделированию, принимающих участие в разработке и/или оптимизации в режиме реального времени
- знакомство с основными темами
- обсуждение общего подхода и ключевых факторов для успешного моделирования
- демонстрация особенностей программы инструктором
- практические занятия для закрепления полученных знаний
- использование подробных учебных материалов
Базовые знания в области химического машиностроения или промышленной химии.
После завершения курса слушатели получат знания и навыки, позволяющие им:
- начать моделирование новых и существующих процессов
- освоить построение схем моделирования и устранения неисправностей
- сократить время процесса проектирования путем тестирования различных конфигураций установки
- определять оптимальные условия для улучшения текущих процессов
- устранять «узкие места» в процессах
Introduction to Flowsheet Simulation
- Introduce general flowsheet simulation concepts and Aspen Plus features
- Review the benefits of process modeling using Aspen Plus
- Discuss the approaches to flowsheet simulations
User Interface
- Become comfortable and familiar with the Aspen Plus graphical user interface
Property Environment
- Develop a working knowledge of the Aspen Plus Properties Environment
- Learn to enter Components and Property Method for a process flowsheet
- Review the save options for Aspen Plus models
- Workshop: Begin building a flowsheet – Enter components and property method.
Simulation Environment
- Develop a working knowledge of the Aspen Plus Simulation Environment
- Build a process flowsheet and enter stream and block information in an Aspen Plus simulation
- Run the simulation
Flowsheet Results
- Review features for viewing simulation results
- Discuss options to enhance flowsheet output
- Workshop: Finish building a flowsheet - Add the process and feed stream conditions to a flowsheet, run and review results
Unit Operation Models
- Review major types of unit operation models
- Explore flowsheet handling techniques
Modeling Distillation Tower (RadFrac)
- Enter the minimum input required for the RadFrac fractionation model
- Implement design specifications, stage efficiencies and column sizing
- Workshop: Set up a methanol – water distillation tower model, implement efficiencies and size the column
Modeling Reactors (Simple and Rigorous)
- Introduce the various classes of reactor models available
- Explore details of the balanced based reactors
- Review details of the equilibrium and kinetic based reactors
- Workshop: Model a combustion process using simple reactor models
- Workshop: Compare the uses of different reactor types to model an ethyl-acetate reactor
Modeling Chemical Plant – Cyclohexane Production Workshop
- Apply acquired skills to build a cyclohexane production flowsheet
- Workshop: Create a flowsheet to model a cyclohexane production process
Selecting Physical Property Models
- Key considerations in choosing a property method and review physical property parameters
- Introduction to Aspen Properties Enterprise Database (APED)
- Learn how to choose an appropriate Property Method to represent single chemical or mixture
- Workshop: Simulate a two-liquid phase settling tank
Sensitivity Analysis
- Become familiar with referencing flowsheet variables (accessing variables) which is used in sensitivity analyses, design specifications, calculator blocks and optimization
- Use a sensitivity analysis to study relationships between process variables
- Workshop: Use a sensitivity analysis to study the effect of the recycle flowrate on the reactor duty
Design Specification
- Introduce the use of design specifications to meet process design requirements
- Workshop: Use a design specification in the example flowsheet to fix the heat load on the reactor by varying the recycle flowrate
Calculator Blocks
- Introduce usage of Microsoft Excel and Fortran Calculator blocks.
- Workshop: Use a Calculator block to maintain the methane: water ratio in the feed to a reformer
Modeling Heat Exchangers
- Review the Aspen Plus models used for modeling Heat Exchangers
- Workshop: Compare the simulation of a heat exchanger using three methods: two Heaters connected with a Heat stream, a Heater using a Utility, and a detailed HeatX
Modeling Pumps, Compressors, Valves and Pipes (Pressure Changers)
- Introduce unit operation models used to change pressure, such as Pumps and Compressors, and those which model pressure drop, such as Pipes and Valves
- Workshop: Evaluate compressor performance at different flowrates
Improving Computation Performance Flowsheet Convergences ·
- Introduce the idea of convergence blocks, tear streams and flowsheet sequences
- Workshop: Converge a flowsheet and review results