1. CHEMCAD Utility Processes John Edwards, P&I Design Ltd January 2015 1

2. UTILITY PROCESSES INTEGRATED STEAM SYSTEM
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES INTEGRATED STEAM SYSTEM
Section 16 page 530, Case 16.03

3. UTILITY PROCESSES INTEGRATED STEAM SYSTEM GUI
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES INTEGRATED STEAM SYSTEM GUI
Section 16 page 530, Case 16.03
Not linked

4. UTILITY PROCESSES STEAM TURBINE - 2 STAGES WITH BLEED
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES STEAM TURBINE - 2 STAGES WITH BLEED
Section 16 page 529, Case 16.02

5. UTILITY PROCESSES STEAM TURBINE - 2 STAGES WITH BLEED
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES STEAM TURBINE - 2 STAGES WITH BLEED
Section 16 page 529, Case 16.02

6. UTILITY PROCESSES COMBINED HEAT & POWER (CHP) PFD
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES COMBINED HEAT & POWER (CHP) PFD
Section 16 page xxx, Case Edition 3

7. UTILITY PROCESSES CHP OPERATIONS
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES CHP OPERATIONS
Section 16 page xxx, Case Edition 3
ECONOMIC OPERATIONAL INTERACTIONS
SELECTION OF OPERATING EQUIPMENT
SELECTION OF FUELS
FIRING RATES FOR BURNERS
OPERATIONAL EQUIPMENT LOADING
LOAD SHARING BETWEEN ON-LINE EQUIPMENT
LOADING OF GAS TURBINES
MODIFY PLANT CONFIGURATION TO MATCH DEMAND
BALANCING NETWORK STEAM FLOWS
PROCESS DEMAND
UTILITY PLANT FREQUENTLY OVERSIZED
HIGH TURNDOWN OPERATIONS UNECONOMIC
SIMULATION AIDS IN IDENTIFYING MINIMUM COST OPTIONS

8. UTILITY PROCESSES CHP OPTIMIZATION OBJECTIVES
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES CHP OPTIMIZATION OBJECTIVES
Section 16 page xxx, Case Edition 3
MINIMISE
NATURAL GAS CONSUMPTION
STEAM FLOW TO PRESSURE LETDOWN STATIONS
STEAM FLOW TO ATMOSPHERE
MAXIMISE
ELECTRICAL POWER GENERATION
DRIVE POWER TO ROTATING MACHINERY
WASTE SOLVENT FIRING
IDENTIFY
ECONOMIC OPERATIONS AT VARYING DEMANDS
UNECONOMIC OPERATING CONDITIONS

9. UTILITY PROCESSES CHP GAS TURBINE SIMULATION
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES CHP GAS TURBINE SIMULATION
Section 16 page xxx, Case Edition 3

10. UTILITY PROCESSES CHP STEAM TURBINE ALTERNATOR
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES CHP STEAM TURBINE ALTERNATOR
Section 16 page xxx, Case Edition 3
Mollier
Diagram
Turbine Alternator Inlet/Outlet Conditions
PIN MPa TIN 403°C POUT 1.2 MPa TOUT 270°C
Full Load ∆H 250 kJ/kg
Isentropic ∆H 340 kJ/kg
Isentropic η 73.5%
Operating at reduced load reduces η
Steam kg/h Efficiency % Power kWe
Simulation mode
POUT and Actual Work specified

11. UTILITY PROCESSES STEAM TURBINE ALTERNATOR POWER
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES STEAM TURBINE ALTERNATOR POWER
Section 16 page xxx, Case Edition 3
PMP = 78WS-284
PLP = 110WS-350

12. UTILITY PROCESSES TURBINE OPERATING PARAMETERS
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES TURBINE OPERATING PARAMETERS
Section 16 page xxx, Case Edition 3
Equipment
Steam
Steam Pressures
Power
kg/h
bar
kWe
kWe/te
Gas Turbine Set 1
10500
11.5
6000
570
Gas Turbine Set 2
9000 43
4750
524
Steam Turbines
Inlet
Outlet
Turbine Alternator 1
35000
2400 69
5.5
3600
103
Turbine Drive Set 1
10000
10.5
350 35

13. UTILITY PROCESSES WASTE HEAT BOILER SIMULATION
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES WASTE HEAT BOILER SIMULATION
Section 16 page xxx, Case Edition 3

14. UTILITY PROCESSES CHP PFDDEMAND DRIVEN SIMULATION
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES CHP PFDDEMAND DRIVEN SIMULATION
Section 16 page xxx, Case Edition 3
Total Steam Demand Set to CHP2 – Contribution from CHP1

15. UTILITY PROCESSES CHP GRAPHICAL USER INTERFACE
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES CHP GRAPHICAL USER INTERFACE
Section 16 page xxx, Case Edition 3

16. UTILITY PROCESSES CHP CHEMCAD SIMULATION PFD
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES CHP CHEMCAD SIMULATION PFD
Section 16 page xxx, Case Edition 3

17. UTILITY PROCESSES CHP OPERATING COST VARIABLE DEMAND
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES CHP OPERATING COST VARIABLE DEMAND

18. UTILITY PROCESSES REFRIGERATION SYSTEM
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES REFRIGERATION SYSTEM
Section 16 page 537, Case 16.05

19. UTILITY PROCESSES REFRIGERATION SYSTEM
SIMULATION SUITE
CHEMCAD SOFTWARE
UTILITY PROCESSES REFRIGERATION SYSTEM
Section 16 page 537, Case 16.05