Version 11.1

Part Number: Aspen Plus® 11.1

September 2001

Copyright (c) 1981-2001 by Aspen Technology, Inc. All rights reserved.

Aspen Plus®, Aspen Properties®, Aspen Engineering Suite , AspenTech®, ModelManager , the aspen leaf logo and Plantelligence are trademarks or registered trademarks of Aspen Technology, Inc., Cambridge, MA.

BATCHFRAC and RATEFRAC are trademarks of Koch Engineering Company, Inc.

All other brand and product names are trademarks or registered trademarks of their respective companies.

This manual is intended as a guide to using AspenTech's software. This documentation contains AspenTech proprietary and confidential information and may not be disclosed, used, or copied without the prior consent of AspenTech or as set forth in the applicable license agreement. Users are solely responsible for the proper use of the software and the application of the results obtained.

Although AspenTech has tested the software and reviewed the documentation, the sole warranty for the software may be found in the applicable license agreement between AspenTech and the user. ASPENTECH MAKES NO

WARRANTY OR REPRESENTATION, EITHER EXPRESSED OR IMPLIED, WITH RESPECT TO THIS DOCUMENTATION, ITS QUALITY, PERFORMANCE, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.

Corporate

Aspen Technology, Inc.

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Cambridge, MA 02141-2201

USA

Phone: (1) [phone]

Toll Free: (1) [phone]

Fax: (1) [phone]

URL: http://www.aspentech.com

Division

Design, Simulation and Optimization Systems

Aspen Technology, Inc.

Ten Canal Park

Cambridge, MA 02141-2201

USA

Phone: [phone]

Fax:[phone]

Contents

About Getting Started Modeling Processes with Solids
Why Use Solids Simulation? ...........................................................................................	1-2
Sessions in this Book .......................................................................................................	1-2
Using Backup Files ..........................................................................................................	1-3
Related Documentation ....................................................................................................	1-4
Getting Started Guides .........................................................................................	1-4
Installation Manual...............................................................................................	1-4
User Guide............................................................................................................	1-4
Technical Support ............................................................................................................	1-4
World Wide Web .................................................................................................	1-4
Online Technical Support Center.........................................................................	1-4
Contacting Customer Support ..............................................................................	1-5
Hours ....................................................................................................................	1-5
Phone....................................................................................................................	1-5
Fax........................................................................................................................	1-6
E-mail...................................................................................................................	1-6
Modeling Coal Drying
Coal Drying Flowsheet.....................................................................................................	2-2
To Start Aspen Plus..............................................................................................	2-2
To Specify the Application Type and Run Type for the New Run ......................	2-3
Drawing the Graphical Simulation Flowsheet .................................................................	2-3
Stream Classes and Substreams .......................................................................................	2-5
Specifying Title, Stream Properties, and Global Options ................................................	2-6
To Review the Report Options Specified in the Selected Template.....................	2-6
Specifying Components ...................................................................................................	2-7
Defining Properties ..........................................................................................................	2-8
Specifying Nonconventional Solid Physical Property Models.........................................	2-9
For More Information on the HCOALGEN Model ...........................................	2-10
Entering Stream Data .....................................................................................................	2-12
Specifying the Nitrogen Stream .........................................................................	2-12
Specifying the Wet Coal Feed Stream................................................................	2-12
Specifying Blocks...........................................................................................................	2-16

Getting Started - Solids

Contents • iii

Specifying the Flash2 Block...............................................................................	2-16
Specifying the RStoic Block ..............................................................................	2-17
To Enter the Reaction Stoichiometry .................................................................	2-17
Updating the Moisture Content ..........................................................................	2-18
Using a Calculator Block to Control Drying..................................................................	2-20
Creating the H2OIN Variable.............................................................................	2-21
Creating the Other Variables..............................................................................	2-23
Calculating the Conversion Variable .................................................................	2-24
Specifying When the Calculator Block Should Run ..........................................	2-24
Running the Simulation..................................................................................................	2-25
Examining Simulation Results.......................................................................................	2-25
To View the Stream Results...............................................................................	2-25
To View the Block Results.................................................................................	2-27
Exiting Aspen Plus.........................................................................................................	2-28
Modeling Coal Combustion
Coal Combustion Flowsheet ............................................................................................	3-2
Starting Aspen Plus ..........................................................................................................	3-2
Opening an Existing Run .................................................................................................	3-3
If You Completed the Simulation in Chapter 2 and Saved the Simulation..........	3-3
If Your Saved File Solid1.apw is Not Displayed .................................................	3-3
To Access the Examples Folder ...........................................................................	3-3
Saving a Run Under a New Name....................................................................................	3-3
Drawing the Graphical Simulation Flowsheet .................................................................	3-4
Changing the Stream Class ..............................................................................................	3-5
To Change the Global Stream Class ....................................................................	3-5
Adding Components to the Model ...................................................................................	3-6
Defining Properties ..........................................................................................................	3-7
Change the Heat of Combustion Method for Coal...............................................	3-7
Specify Methods for Calculating Ash Properties .................................................	3-8
Specify the Heat of Combustion for Coal ............................................................	3-9
Specifying the Air Stream ..............................................................................................	3-10
Specifying Unit Operation Models.................................................................................	3-11
Specify the RGibbs Reactor Model....................................................................	3-11
Specify the RYield Reactor Model ....................................................................	3-12
Specify the Particle Size Distributions...............................................................	3-13
Specify the Component Attributes for Ash ........................................................	3-14
Specify the Splits for the SSplit Block...............................................................	3-16
Defining a Calculator Block...........................................................................................	3-16
Create the Calculator Block ...............................................................................	3-17
Define the Calculator Variables .........................................................................	3-17
Specify the Calculations to be Performed ..........................................................	3-18
Specify When the Calculator Block Should be Run ..........................................	3-18
Running the Simulation..................................................................................................	3-19
Examining Results .........................................................................................................	3-20

iv • Contents

Getting Started - Solids

View the Stream Results ....................................................................................	3-20
View the Block Results ......................................................................................	3-21
Exiting Aspen Plus.........................................................................................................	3-23
Modeling Gas-Solid Separators
Gas-Solid Separation Flowsheet ......................................................................................	4-2
Starting Aspen Plus ..........................................................................................................	4-2
Opening an Existing Run .................................................................................................	4-3
If You Completed the Simulation in Chapter 3 and Saved the Simulation..........	4-3
If Your Saved File Solid2.apw is Not Displayed .................................................	4-3
To Access the Examples Folder ...........................................................................	4-3
Saving a Run Under a New Name....................................................................................	4-4
Drawing the Graphical Simulation Flowsheet .................................................................	4-5
Changing the Default Particle Size Distribution ..............................................................	4-6
To Update the Title for This Simulation ..............................................................	4-6
To Modify the Particle Size Distribution Intervals ..............................................	4-6
Updating Particle Size Distributions Previously Entered.....................................	4-7
Specifying the Solids-Handling Blocks............................................................................	4-8
To Learn About the Cyclone Model Using Help ...............................................	4-10
Running the Simulation..................................................................................................	4-12
Examining Results .........................................................................................................	4-12
To View the Stream Results...............................................................................	4-12
To View the Block Results.................................................................................	4-13
Exiting Aspen Plus.........................................................................................................	4-15
Modeling Polymer Recovery
Polymer Recovery Flowsheet...........................................................................................	5-2
Starting Aspen Plus ..........................................................................................................	5-3
To Specify the Application Type and Run Type for the New Run ......................	5-3
Drawing the Graphical Simulation Flowsheet .................................................................	5-4
To Change the Stream Class for the Simulation ..................................................	5-6
Specifying Title, Stream Properties, and Global Options ................................................	5-7
To Review the Report Options Specified in the Selected Template.....................	5-8
Specifying Components ...................................................................................................	5-8
Defining Properties ........................................................................................................	5-10
Select a Property Method ...................................................................................	5-10
Specify Nonconventional Component Property Methods..................................	5-11
Specify Parameters Used to Calculate POLYMER Properties ..........................	5-12
Defining Stream Conditions...........................................................................................	5-14
Entering Block Specifications........................................................................................	5-18
Enter Specifications for the CCD Model ...........................................................	5-18
To Learn More about the Cyclone Model Using Help.......................................	5-19
Enter Specifications for the Cyclone Model ......................................................	5-19
To Specify That the Mixer Block DRIER Operates at 15 psi ............................	5-20
Enter Specifications for the HyCyc Model.........................................................	5-20

Getting Started - Solids

Contents • v

Running the Simulation..................................................................................................	5-22
Examining Results .........................................................................................................	5-22
To View the Stream Results...............................................................................	5-22
To View the Block Results.................................................................................	5-24
Exiting Aspen Plus.........................................................................................................	5-26

Connecting to the Aspen Plus Simulation Engine

vi • Contents

Getting Started - Solids