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Dave Stropky, VP Research Process Simulations Ltd. 206-2386 East Mall, Vancouver, BC, Canada www.psl.bc.ca Industrial Process Modeling.

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Presentation on theme: "Dave Stropky, VP Research Process Simulations Ltd. 206-2386 East Mall, Vancouver, BC, Canada www.psl.bc.ca Industrial Process Modeling."— Presentation transcript:

1 Dave Stropky, VP Research Process Simulations Ltd East Mall, Vancouver, BC, Canada Industrial Process Modeling

2 Contents Introduction to PSL 3D Process Modeling Process Modeling Information Industrial Applications

3 Process Simulations Ltd UBC modeling group (pulp and paper) 1993 PSL Incorporated, Recovery Boiler Model 1995 Bark boilers, Hydrocyclones 1998 Headboxes, Lime kilns, Wood Kilns 1999 Digesters 2000 Gasifiers, Clarifiers 2001 Cement Kilns, Coal Fired Boilers 2002 Precipitators, BFB Boilers 2003 Lagoons 2004 Calciners 2006 Multiphase fluidized beds

4 PSL INTRODUCTION Industrial Projects Since 1997  89 Recovery Boilers  25 Bark/Biomass/Power Boilers  13 Lime Kilns  3 Headboxes  4 Precipitators  5 Cement Kilns  4 Gasifiers  1 Precalciner  2 Wastewater Lagoons  10 Others

5 PSL INTRODUCTION PSL Advantages  Independent Analysis  Advanced & Validated Computer Models. UBC connection.  Equipment equipment-specific submodels to predict the behavior of complex processes  Combustion and Flow Analysis Expertise  Advanced, Intuitive, Interactive 3-D display and analysis technologies  Broad Industrial Application Experience

6 3D Process Modeling

7 Principle of Conservation Mass Momentum Energy ……. IN = OUTINOUT OUT PROCESS MODELING 3D CFD

8 PROCESS MODELING Buildings Jet engines Weather Harrier jet Industrial Equipment 3D CFD Modeling Examples

9 PROCESS MODELING Process Modeling Stages INPROGRESSINDUSTRIALAPPLICATION Literature review Plant\Mill interaction Process knowledge Commitment of industry Physical model Numerical model Model development Model validation Industrial testing Problem Solving Model proposed retrofits Alternate Fuels Equipment Optimization Cost Reduction INITIALSTAGE

10 3D Process Modeling Information

11 3D Display 3D MODEL INFORMATION

12 Contour/Vector Planes 3D MODEL INFORMATION

13 Surface Plots 3D MODEL INFORMATION

14 Isosurface Plots 3D MODEL INFORMATION

15 Fuel/Air Distributions 3D MODEL INFORMATION

16 Integrated Information 3D MODEL INFORMATION

17 Industrial Applications

18 Recovery Boilers INDUSTRIAL APPLICATONS Air System Design Liquor Injection Carryover/Plugging Wall Corrosion Tube Cracking Steam Production Boiler load Burner Design NCG Injection Emissions

19 Bark Boilers INDUSTRIAL APPLICATONS Air System Design Fuel Injection Carryover Wall Corrosion Steam Production Boiler load Grate Design NCG Injection Emissions

20 PreCalciners INDUSTRIAL APPLICATONS Meal Injection NOx Reduction Gas Flow Distributions Fuel combustion Emissions Temperature Profiles Operational Optimization

21 Digesters INDUSTRIAL APPLICATONS Chip injection Flow uniformity Chip uniformity Wash/screen effects Kappa Number Lignin Mass Fraction Carbohydrates Mass Fraction Chip Compaction

22 Wastewater Lagoons INDUSTRIAL APPLICATONS Flow patterns Residence Time Distributions Biological Models

23 Precipitators INDUSTRIAL APPLICATONS Flow Distribution Efficiency Baffle Design Inlet/outlet ducting Screen Design Egg Crates

24 Cyclones INDUSTRIAL APPLICATONS Flow Distribution Particle Distribution Efficiency Inlet ducting

25 Kilns INDUSTRIAL APPLICATONS Flame Profile Calcination Brick Failure/ Heat Load Alternate Fuels Air/Fuel Ratios Burner Design NCG Injection Emissions

26 Kilns INDUSTRIAL APPLICATONS lMulti-layer refractory heat transfer model lHeat transfer and lime calcination CaCO 3 = CaO + CO 2 Heat absorbed MJ/kg CaCO

27 Kilns: Input Data INDUSTRIAL APPLICATONS GEOMETRY

28 Kilns: Input Data INDUSTRIAL APPLICATONS BURNER GEOMETRY

29 Kilns: Input Data INDUSTRIAL APPLICATONS REFRACTORY

30 Kilns: Operational Data INDUSTRIAL APPLICATONS DCS Data Analysis

31 Kilns: Operational Data INDUSTRIAL APPLICATONS Fuel/Feed/Air Data Analysis

32 Kilns: Balance Sheets INDUSTRIAL APPLICATONS Energy/Mass Balance

33 Process Modeling Advantages 3D MODEL INFORMATION  Advanced, intuitive, interactive visual representation of industrial processes based on basic laws of physics  Software can be used to rapidly analyze and rectify process problems, or to create virtual equipment for operator training  Provides engineers and operators with significantly more information for analyzing equipment operations than is currently available  Reduced risk on retrofits and large capital expenditures  Allows for more informed recommendations for operational and design changes  Better equipment performance and reliability  Increased knowledge for operators, engineers, and managers leads to optimized equipment design and operation and ultimately to reduced operational and maintenance costs


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