Pro-II API Layer.pdf

7/24/2019 Pro-II API Layer.pdf

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PRO/II Updates & Modeling Tips


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Agenda

Introduction

PRO/II Modeling Tips

PRO/II New Functionality

New Features

Liquid viscosity prediction improvements for heavy oils

SIM4ME Thermo 3.2 with PROPRED

OLI Mixed Solvent Electrolytes (MSE)

Architecture/Infrastructure Updates

SIM4ME Portal


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Introduction


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Invensys Overview

Global automation, controls and solutions company $5 billion in sales with ~35,000 employees, listed on London Stock Exchange

SimSci part of Invensys Process Systems ($1.3 billion business)

SimSci record of 40 years in simulation for refining and chemicals industries

Sao Paulo

Lake Forest

Foxboro

Montreal

Mexico City

Houston

Toronto

Irvine Philadelphia

Baarn

Hyderabad

Shanghai Tokyo

Sydney

Rome

Seoul

Singapore

Crawley

Paris

Chennai

Buenos Aires

Abu Dhabi

Melbourne

Milan

Dsseldorf


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Who Is SimSci?

Provider of software and services to the Hydrocarbon,Chemical and Power industries that allow for efficient

design operate

optimize

Steady state & dynamicsimulation

PRO/II, Hextran, VisualFlow, Inplant Pipephase,Dynsim, Tacite, Comos

Plant start-up, operationand operator trainingwith modeling, dynamicsimulation and control

emulation

PRO/II, Datacon, ARPM,

OTS, Dynsim, Fsim

Advisory and closed loop

process optimization

ROMeo, ARPM, Connoisseur,PRO/II, Netopt

increasedprofitability


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SimSci Solution Overview


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Pipephase

NetoptTacite

Oil and GasProduction

SimSci Solution Suites

PRO/II

Hextran

Visual Flow SuiteInplant

Datacon

ProcessEngineering

ROMeo

ConnoisseurARPM

On-LinePerformance

Dynsim

Fsim

Trisim

OTS

DynamicSimulation

Products fall into one of five

olution uitesolution uites

Comos

iFEED

Introduction


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Process Engineering Suite (PES)

PRO/II Process Flowsheet Simulator for Design, Operational Analysis,and Optimization

Hextran Heat Exchanger Network Simulator for Design, Operational Analysis,and Optimization

Datacon Data Reconcil iation Program for Heat/Mass/Composition balanceon plant data

Inplant Plant Piping and Utility Systems Flow Simulator

Visual Flow Flare Network & Regulatory Compliance Simulator

A consistent set of technically superior tools for process engineeringdesign and operations decision support. PES products interface withother applications commonly used by process engineers - MS Office forProcess Engineers


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On-Line Performance Suite (OPS)

On-line Performance Suite (OPS) delivers the latest generation ofAdvanced Process Control (APC) and On-line Optimization applicationsto help users obtain peak performance from their operating units.

ROMeo A fully integrated, on-line plant modeling/optimizationand off-line operational analysis tool.

ARPM A complete solution for monitoring the performance ofyour equipment and processes by using real-time plant

data and rigorous simulation models to extract validatedprocess and equipment performance information.

Connoisseur A comprehensive suite of APC software thatsimultaneously controls several process variablesvia the plant's distributed control system.


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Dynamic Simulation Suite (DSS)

Dynamic Simulation Suite provides the full power of rigorous dynamicsimulation and high-fidelity control system emulation for plant engineers,operators, and managers to use in optimizing plant design, operations,and performance management.

Dynsim Uses first principles equipment models and thermodynamic data toproduce highly accurate, reliable results to all your dynamic simulationproblems. Same model for process design, control evaluation,operator training, and operational analysis applications.

Fsim Plus A comprehensive Foxboro I/A Series control system checkout andsimulation tool.

Trisim Plus A comprehensive Triconex control system checkout and simulationtool.


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Technical Support Services

Technical support Phone: (800) SimSci1 (746-7241)

E-mail: [email protected]

Technical support requests Over 90% solved by primary support

Development staff as secondary support

Training Multiple public sessions annually

Private training

Manuals START/PROGRAMS/SIMSCI/PROII 8.2/PROII 8.2 Documentation

On harddrive, e. g., C:\SIMSCI\PROII82\Manual

On the same CD-ROM as program
mailto:[email protected]:[email protected]


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PRO/II Modeling TipsProductivity

GeneralColumn Convergence


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Custom Stream and Unit Property Table

Unit and Stream Data Review Window

Spreadsheet Tools for Excel reporting

Tooltip view of stream properties

Toggle stream ID to show properties SIM4ME Report Module

Productivity: Reviewing Results


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Option to View Results in Text or Tabular Format Icons on the Toolbar

View Results in Text Form (View Results)

View Results in Tabular Form (Data Review Window)

Data Review Window is interactive

Change of units

Change listed properties

Productivity: Data Review Window


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Productivity: Spreadsheet Tools

Optimizer Report

Stream List

Rigorous HX

Compressor

Line Sizing

Heating Curves

Pumps

Flashes


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Productivity: Toggle Stream ID


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Productivity: Tooltip View


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D101(Column Plo t) : Temperature

0

5

10

15

20

25

0 100 200 300 400 500

Temperature(K)

Tray

Temperature

D101(Column Plot) : Rates

0

5

10

15

20

25

0 200 400 600 800

Liquid Rate(KG-MOL/HR) / Vapor Rate(KG-MOL/HR)

Tray

0

5

10

15

20

25

0 100 200 300 400 500 600

Liquid Rate Vapor Rate

Customizable reports generatedin Excel

Productivity: SIM4ME Report module


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General Tips


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Copy/Paste of a Unit Operation

Support Copy/Paste of Assay Stream

Allow paste special of components of Assay Stream intoanother stream for analysis

Copy/Paste Stream Data to and from Excel

Copy/Paste stream composition and assay data to orfrom Excel

General: Copy/Paste


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General: Hotkeys

Hotkey - One ClickAccess

Hydrate

Used to predict the formationof Methane-Water Hydrates

Heat Curve

Allows for quick generation ofa Heating/Cooling curve forthe selected stream

Distillation Curve

Generation of Assay Curve forthe selected steam


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General: Containerized Zipped File

PRZ File Containerized

Custom tables stay with the flowsheet

Stream Property Table

Unit Operation Property Table

Back-up keyword file automatically contained in PRZ


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General: Reinitialization Tips

Input/Restore Input Data (Ctrl+R)

Update Initial Estimates on User Demand

Input/Update recycle estimates Input/Update column estimates

Export Results to Keyword File

Flowsheet layout retention (SFD File) when export/import

Include the stream and column solutions by the click of a check box


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General: Export Results to Keyword File

Include the stream and

column solutions forfaster convergence


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Column Convergence Tips


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Column Convergence: Common Problems

Most convergence problems are due to the following reasons:

Improper or infeasible specifications

Unsuitable column algorithm

Initial estimates too far from solution

Free water on the trays

Non-ideal thermodynamics

Not enough iterations


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Column Convergence: Initial Estimate Generator(IEG)

What do I have to provide ? Generates good initial estimates for all column variables

P1 P2PN LN x* y* T*

P V* L*

Q*R Q*

C

x0 y0 T0

P V

0

L

0

Q0R Q0

CIEG Solver

You supply columnspecs and guesses

for a few variables...

IEG calculatesinitial estimates for

all column variables...

Solver (I/O, Chemdist)converges on solution

Column

Specs


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Column Convergence: Four IEGs

SIMPLE: Simple columns, e. g., absorbers

Only choice for liquid-liquid extraction

CONVENTIONAL: Works well with most columns Default for columns with 2 products

Based on shortcut methods

Strongly dependent on your product rate estimates

REFINING: Complex refinery columns (e.g., crude, vacuum, FCCmain fractionator, coker)

CHEMICAL: Nonideal thermodynamics (e.g., azeotropic andextractive distillation)


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Column Convergence: User Guesses

Molar reflux ratio (default =3) or reflux rate

Product or draw rate estimates for all but one product

Estimate water draw rate at the condenser

Add-up all the steam input and water in the feed streams

Estimate condenser, top temperatures on the high side


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Column Convergence: What Is Alpha?

Length of correction: Xn+1 = Xn + n n 0< |

| < 1

If = 1, PRO/II is proceeding to solution

PRO/II decreases if full step increases error

Unknown 2

Unknown 1

X1

X3

X2

Solution

3

1 = .7

2 = 1

Reject: full step

increases error


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Column Convergence: Use DAMPING

DAMPING reduces iteration step and suppressesoscillation of +error, -error, etc.

Conventional Columns: DAMP = 1.0 (default) Columns with Steam: DAMP = 0.6 - 0.8

Highly Non-ideal: DAMP = 0.4 - 0.6

If Oscillation Persists, Use Chemdist

If you use DAMP, increase the number of I/O Iterations

from 15 to, say, 50


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Column Convergence: Initial Column Status

Fixed quantit ies remain at their current values unless you declarethem as variables.

If no specs/variables provided, default status used:

Q U A N T IT Y S T A TU S

O v er h ea d a n d B o t to m s R at es

S id e D r aw R a te s

D u t i e sF e e d R a t e s

T r ay T e m p e r at u r e s

T r ay P r es s u r e s

V ap o r an d L i q u id R a te sP r o d u c t P r o p e r t i es (e .g . V i s c o s i t y )

T r ay V ap o r o r L i q u i d P r o p e r t ie s

C a l c u l a t e d

F i x e d

F i x e dF i x e d

C a l c u l a t e d

F i x e d

C a l c u l a t e dC a l c u l a t e d

C a l c u l a t e d


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Column Convergence: Specifications

Recovery usually safer than composition specs

Moles propane in overhead / moles propane in feed

Spec reflux ratio and product rate Spec reflux rate and component recovery

Crude columns

Good product draw rates

Overflash spec (% liquid flow from tray above feed / feed)

Reflux ratio spec

Condenser temp spec for partial condenser


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Column Convergence: Specifications

Set as Active by checkbox next to specification

Allows the user to saveor quickly change columnspecifications


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Column Convergence: I/O Supersaturation

** WARNING ** UNIT 5 - WATER SUPERSATURATION DETECTED on 13trays. Column solution is l ikely to be erroneous. Rerun using the SUREcolumn with the FREEWATER (DECANT) option enabled.

If Water condenses in column:

Increase temperature estimates to keep water in vapor

Reduce steam flow:

0.1 lb/Gallon bottoms in main column

0.1--0.2 lb/Gallon sidestripper product


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Column Convergence: Condenser

Not much vapor is produced in crude column

Typically from Cracking

Condenser may not produce vapor product Run simulation using Bubble Point Condenser or Fixed Temperature

Subcooled Condenser

If simulation fails and top tray temperature looks unreasonably low,non-condensable vapors are present

Change to Mixed Condenser

Fix temperature and allow simulation to vary liquid product rate


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Column Convergence: Pumparounds

Pumparounds solve best when you:

Fix rate and duty, calculate return temperature.

Excess cooling cause drying above PA return Remedy: Specify liquid flow above return tray and calculate

pumparound duty.

Specify Tray

Liquid rate

Declare Duty

as a Variable


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Column Convergence: Pumparounds

Pumparounds are a means of reducing the cooling dutyin the condenser

Also reduces column traffic by reducing reflux

All cooling duty can be taken up by the condenser forpreliminary run

Start simulation of complex column by adding in pumparounds with

fixed rates and zero duties. Solution will report total required cooling duty as condenser duty

Later distribute cooling duty to pumparounds, based on plant data

(should be about 60% of total)


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Column Convergence: Restarting

PRO/II remembers product flowrates from previoussolutions, and uses those to restart the IEG

In general, this speeds up overall flowsheet convergence

Can also Input/Update column estimates

If the previous run did not converge, product flowrates may be verybad, and throw off the IEG for subsequent runs

Uncheck the box labeled Use Previous Solution for Initial Estimatein the Column Initial Estimates Data Entry Window

Click on ctrl-R (Input/Restore Input Data)


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PRO/II new functionality


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Column Enhancement

Normalize Product Rates & Scale Traffic Profiles

When the feed rate to a column does not match the total productestimates

PRO/II will scale the initial estimates of the column traffic

Improves convergence speed and robustness


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Column Enhancement

Ability to view column results in mass units


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SIM4ME Thermo Data Manager (TDM) 3.2

PROPRED Available via the TDM

Generate pure component properties with PROPRED, write theproperties and correlations into a databank using TDM, and use those

properties in the databank in PRO/II Pure component property estimation based on a multilevel group-

contribution method

Property estimation automatically performed based on molecularstructure drawn by the user


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Additional pure component correlations

Latent Heat

Liquid Enthalpy

SIM4ME Thermo


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New Refinery Inspection Property (RIP) methods

Refractive Index at 20 oC by API 2B5.1

Flash Point by API 2B7.1

Pour Point by API 2B8.1

Aniline Point by API 2B9.1

Smoke Point by API 2B10.1 Freeze Point by API 2B11.1

Cloud Point by API 2B12.1

Cetane Index by API 2B13.1

SIM4ME Thermo


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Heavy Oil Liquid Viscosity

Developed by Dr. Twu while at SimSci Twu, C. H. Internally Consistent Correlation for Predicting Liquid

Viscosities of Petroleum Fractions Ind. Eng. Chem. Process Des.Dev. 24, 1287-1293 (1985)

Recommended by Murray R. Gray

Upgrading Petroleum Residues and Heavy Oils by Murray R. Gray,

Marcel Dekker, New York (1994). Uses Mehrotra mixing rules

Mehrotra, A.K., Eastick, R.R. and Svrcek, W.Y., Viscosity of Cold Lake

Bitumen and its Fractions, Can. J. Chem. Eng. 67: 1004-1009 (1989)


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New liquid viscosity prediction for heavy oils based onthe boiling point of the lumped pseudocomponents

Heavy Oil Liquid Viscosity


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OLI MSE

What is MSE?

The Mixed Solvent Electrolyte model is the most advanced,predictive framework for electrolytes, aqueous as well as mixed

solvents produced by OLI Systems

Capable of reproducing speciation, chemical, and phase equilibria,applicable to water-organic-salt systems and aqueous solutions

from dilute solutions to the fused salt limit OLI Systems

Electrolyte simulation experts since 1971

www.olisystems.com
http://www.olisystems.com/http://www.olisystems.com/


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OLI MSE

How is MSE different?

Used the Helgeson equation of state

Added a more complex activity model Debye-Huckel long-range term

Ionic interaction middle-range term

UNIQUAC model interaction short-range term

Speciation based on solvated protons (e. g., H3O+)


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OLI MSE: H2SO4 SO3 H2O

1.0E-08

1.0E-07

1.0E-06

1.0E-05

1.0E-04

1.0E-03

1.0E-02

1.0E-01

1.0E+00

1.0E+01

1.0E+02

1.0E+03

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

x SO3

P,atm

0C

200C

100C

50C

25C

500C 400C300C

The model works well up to a reduced temperature=0.9


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Thermo Enhancement

GUI support for user-entered alpha coefficients


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Compiler Upgrade

Upgrade PRO/II compiler to Intel FORTRAN v10 andVisual Studio .NET 2003

ALL PRO/II 8.2 UAS & PDTS application will REQUIRE the use of the

Intel Visual FORTRAN compiler v10 and the Visual Studio .NET 2003development environment

Some of the UAS & PDTS applications built with the earlier CompaqVisual FORTRAN compiler may require minor code modifications


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Vista Support

PRO/II 8.2 will support Vista Enterprise and Vista Businessoperating systems

PRO/II 8.2 w/ not support FLEXLM 7.2

PRO/II 8.2 will support FLEXLM 9.5 & 9.2 FLEXLM 9.5 & 9.2 Clients are Vista compliant

FLEXLM 9.5 & 9.2 Servers are NOT Vista Compliant


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Microsoft Office 2007 Support

PRO/II 8.2 wil l support Microsoft Office 2007 using 2003File Formats

PRO/II 8.3 wil l support Microsoft Office 2007 using 2007

and 2003 File Formats

Release scheduled for 2009


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.msi Install

The new .msi install of PRO/II 8.2 uses the MicrosoftWindows Installer which is an engine for theinstallation, maintenance, and removal of software on

modern Microsoft Windows systems Streamlines installation

Standardizes installation

Makes custom scripting of an installation easier


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SIM4ME Portal in PRO/II 8.2


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An easily configured Excel interface for an existing,complete PRO/II simulation

Configuring Excel from PRO/II


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Utilizing Your Intellectual Property

Typically not available to operators, maintenance personnel,and business management

Limits the return on investments of the process model

The SIM4ME Portal extends this intellectual propertyto everyone who can utilize it

Process models contain a large amount of intellectual

property that is only available to the simulation experts


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Create Custom Interfaces


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Product Detail

Modes to launch SIM4ME Portal From PRO/II toolbar/menu option

From Start menu

Creations options for an SIM4ME Portal Create a new one

Use an existing workbook, and enable Portal within it

Modes of operation

Connected: PRO/II with PROVISION concurrently open with SIM4MEPortal

Stand-alone: Only SIM4ME Portal open Disconnected: Reverts back to be a simple workbook


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Software Requirements

PRO/II 8.2

Microsoft Office 2003, Professional, SP2 or later

Limitations

The SIM4ME Portal does not issue an error if the PRZ file isincomplete

Data entered and saved from Portal will appear in an already openPRZ file only on re-opening the same

PRO/II GUI and Portal are two independent options interacting with

PRO/II database, so user should use only one interface at a time toupdate / modify user data

Can not change specification types, e. g., Duty to Temperature, onlythe values


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Limitations

A security license is required to run the SIM4ME Portal

Drag & drop one-by-one onto the spreadsheet Vector attributes require two cells above the drop cell for the vector

heading and UOM

Only the PRO/II Output UOM slate is supported Cant open a PRO/II file if stand-alone SIM4ME Portal is connected

to it already

Software Requirements


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How to Create a Portal

D d D


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Drag and Drop

Drag and drop variables

From Flowsheet Explorer

to a cell.

The first value is stored in

the cell where you drop the link.

Color Coding


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Color Coding

Blue

inputfield

Green isread-only

output field

Click

UOM to

Convert

values

Parameter Details


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Right Click

description

And select

View

Parameters

Refresh when PRZ File Changes


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g

Click Refresh if

change PRZ file


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