RETICOM SOLUTION: Power plants and steam generators

Reticom Solutions
Measure, Monitor, Manage
2455 Wyandotte St West , Windsor, ON, Canada N9B0C1
Tel: (226) 344-7809 Fax: (519) 253-3000
www.reticom.ca mkarami@reticom.ca
POWER PLANTS AND STEAM GENERATORS
ENGINEERING SERVICES FOR POWER PLANTS AND ENERGY SYSTEMS

RETICOM SOLUTIONS www.reticom.ca mkarami@reticom.ca
LIST OF AVAILABLE SERVICES
 DESIGN & ESTIMATION OF COMBINED CYCLES
 HIGH-FIDELITY HEAT TRANSFER ANALYSIS
 CIRCULATION ANALYSIS
 DUCTING
 BURNER DESIGN & MODIFICATION
 PUMP SIZING
 GAS TURBINE PERFORMANCE ESTIMATION
 FLOW ACCELERATED CORROSION (FAC)
 PIPING & INSTRUMENTATION DIAGRAMS (P&IDS)
 DESIGN OF NITROGEN PURGING SYSTEM
 HYDRAULIC BALANCE OF FLOW IN HEADERS
 CALCULATION OF INSULATIONS
 FINITE ELEMENT ANALYSIS
 MATERIAL & MECHANICAL STRENGTH
 CONJUGATE HEAT TRANSFER
 COMBUSTIONTECHNOLOGY
 ACOUSTIC BAFFLES
 ROOT-CAUSE STUDY OF PLANT FAILURES
2

DESIGN & ESTIMATION OF COMBINED CYCLES
 Heat balance & efficiency
 Customized Arrangements
 Repowering
 Upgrading
 Calculation of heating
surfaces
 Estimation of performance
 Transient behavior of
boiler
 Development of
customized software
3

 Exergy analysis
 Weight/Price estimation
 2nd Law analysis
4

 Optimization by artificial
intelligence
 Cycle optimization
 Thermo/economic
optimization
 Minimizing boiler price
5

HIGH-FIDELITY HEAT TRANSFER ANALYSIS
 An INOVATIVE approach to implement heat exchanger
concept in CFD solver to reach the EXACT distribution of
temperature for metal and water/steam with reasonable
computational cost
 Reduction of design risk
 Reduction of unnecessary margins
 Better estimation of metal temperature
 Detecting and removing local hot-spots
 Accuracy in computing thermal stresses
 Useful to study heat transfer behavior of flow with high degree of non-
uniformity in velocity and temperature
 Applicable to estimate the thermal performance of furnaces with
complex tube arrangement
Distribution of steam
temperature in
superheater cross-
section
6

CIRCULATION ANALYSIS
 CirculationAnalysis for any configuration of
evaporators
 Easy to generate different configurations
 Analysis of natural and forced circulation
 Estimation of FAC risk in tubes and risers
 Performing parameter study
 Quick estimation of weight/volume/price
7

 Customized size and configuration for different harps
and tubes
 Able to calculate circulation performance for non-
constant heat-absorption of tubes
 Customized design criteria are available
 Header/Pipe auto-sizing
8

 Detailed results of all branches
 Finding out the critical branches
 Suggestion for optimized design
9

 Even more details!
 Distribution of all parameters along a single
tube
 Highlighting risky regions due to FAC
 Water/steam properties at each tube cross-
section
 Metal temperature at each tube cross-section
 Finding hot spot regions
10

DUCTING
 Ducting and duct sizing
 Estimation of draft loss
 Burner configuration
 Guide vanes and flow-correction devices (FCDs)
11

BURNER DESIGN & MODIFICATION
 Tailor-made design of different burners
 CFD simulation of burner performance
12

 Burner configuration based on the demand of
projects
 Variety of burner duty
 Analysis of off-design conditions
13

 Design of burner elements
 CFD simulation & combustion modeling
14

 Modification of burners that suffer from hot spots
and/or reverse flames
 Reducing pressure drop of burner equipment
 Modification of flow-correction devices and guide
vanes
Before
Modification
After
Modification
15

PUMP SIZING
 Selection and sizing of different pumps used
in boilers
 Customized for typical HRSG pumps:
condensate extraction pump (CEP), boiler
feed water pump (BFWP) and recirculation
pump
 Able to calculate performance of any
centrifugal pump
16

PUMP SIZING
 Pumps with 2-level outlet pressure
 Calculation of piping loss
 Estimations of required and
available NPSH
 Easy to work with different
engineering units
17

PUMP SIZING
 Analysis of pump curves
 Easy to input pump curves in bitmap format
 Demonstration of operating points on the
curve
 Easily connect with boiler performance data
 Estimation of control valve data sheet
18

GAS TURBINE PERFORMANCE ESTIMATION
 Performance test analysis
 Development of correction curves
 Exergy analysis
 Efficiency estimation
1
2 3
a
f
d
e
4
19

FLOW ACCELERATED CORROSION (FAC)
 Investigation of FAC risk in tubes regarding
the water chemistry, temperature and flow
 Calculation of fluid velocity in all branches
for all operating conditions to be sure about
meeting the criteria
 Performing Computational Fluid Dynamics
(CFD) to find out possible regions which are
locally susceptible to FAC
20

PIPING & INSTRUMENTATION DIAGRAMS (P&IDS)
 P&ID drawing
 Automatic pipe sizing by customized criteria
 Calculation of pipeline pressure drops
21

DESIGN OF NITROGEN PURGING SYSTEM
 Design of N2 supply system for HRSG boilers
 Required number of N2 cylinders
 Line sizing and pressure drop
22

HYDRAULIC BALANCE OF FLOW IN HEADERS
 CFD simulation of water distribution in boiler
headers and tubes
 Consideration of variable heat absorption in
different
 Modification of tube arrangement to reach
required flow homogeneity
23

CALCULATION OF INSULATIONS
 Boiler heat loss
 Required insulation thickness
 Estimation of boiler outside
temperature
 Calculation of convection/radiation
heat loss
 Able to specify new insulation
materials
 Material properties depending on
temperature
 Temperature drop in pipelines
24

FINITE ELEMENT ANALYSIS
 FEM analysis for pressure parts
 FEM analysis for non pressure
parts
 Finding out critical regions
25

MATERIAL & MECHANICAL STRENGTH
 Material selection for pressure parts
 ASME code calculations for tubes and headers
 Material selection for fins
 Calculation of required thickness
 Able to define new materials
26

CONJUGATE HEAT TRANSFER
 Combination of conduction/convection heat
transfer
 Transient heat transfer in tubes & headers
 Stress analysis of pressure parts
27

COMBUSTION TECHNOLOGY
 Combustion performance of customized gaseous
and liquid fuels
 Combustion modeling in CFD simulations
 Estimation of pollutant production (e.g., NOx,
CO & SOx)
28

 Design of Low-NOx burners
 Flame stability analysis
 Design of fuel pipelines
 Design of flue gas recirculation (FGR)
COMBUSTION TECHNOLOGY
29

ACOUSTIC BAFFLES
 Calculation of Chen number
 Finding out the vortex shedding frequency
 Configuration of anti-acoustic baffles
30

ROOT-CAUSE STUDY OF PLANT FAILURES
 Diagnosis and remedies for hot spots,
FAC, coke formation, uneven flow
distribution,weakness in mechanical
strength, …
31

RETICOM SOLUTIONS www.reticom.ca info@reticom.ca
Reticom Solutions
Measure, Monitor, Manage
2455 Wyandotte St West , Windsor, ON, Canada N9B0C1
Tel: (226) 344-7809 Fax: (519) 253-3000

RETICOM SOLUTION: Power plants and steam generators

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