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

UTILITY PROCESSES INTEGRATED STEAM SYSTEM www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES INTEGRATED STEAM SYSTEM Section 16 page 530, Case 16.03

UTILITY PROCESSES INTEGRATED STEAM SYSTEM GUI www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES INTEGRATED STEAM SYSTEM GUI Section 16 page 530, Case 16.03 Not linked

UTILITY PROCESSES STEAM TURBINE - 2 STAGES WITH BLEED www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES STEAM TURBINE - 2 STAGES WITH BLEED Section 16 page 529, Case 16.02

UTILITY PROCESSES STEAM TURBINE - 2 STAGES WITH BLEED www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES STEAM TURBINE - 2 STAGES WITH BLEED Section 16 page 529, Case 16.02

UTILITY PROCESSES COMBINED HEAT & POWER (CHP) PFD www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES COMBINED HEAT & POWER (CHP) PFD Section 16 page xxx, Case 16.09 Edition 3

UTILITY PROCESSES CHP OPERATIONS www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES CHP OPERATIONS Section 16 page xxx, Case 16.09 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

UTILITY PROCESSES CHP OPTIMIZATION OBJECTIVES www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES CHP OPTIMIZATION OBJECTIVES Section 16 page xxx, Case 16.09 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

UTILITY PROCESSES CHP GAS TURBINE SIMULATION www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES CHP GAS TURBINE SIMULATION Section 16 page xxx, Case 16.09 Edition 3

UTILITY PROCESSES CHP STEAM TURBINE ALTERNATOR www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES CHP STEAM TURBINE ALTERNATOR Section 16 page xxx, Case 16.09 Edition 3 Mollier Diagram Turbine Alternator Inlet/Outlet Conditions PIN 4.3 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 10000 44 425 15000 44 640 20000 62 1200 25000 62 1500 30000 65 1900 35000 75 2500 Simulation mode POUT and Actual Work specified

UTILITY PROCESSES STEAM TURBINE ALTERNATOR POWER www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES STEAM TURBINE ALTERNATOR POWER Section 16 page xxx, Case 16.09 Edition 3 PMP = 78WS-284 PLP = 110WS-350

UTILITY PROCESSES TURBINE OPERATING PARAMETERS www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES TURBINE OPERATING PARAMETERS Section 16 page xxx, Case 16.09 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

UTILITY PROCESSES WASTE HEAT BOILER SIMULATION www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES WASTE HEAT BOILER SIMULATION Section 16 page xxx, Case 16.09 Edition 3

UTILITY PROCESSES CHP PFDDEMAND DRIVEN SIMULATION www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES CHP PFDDEMAND DRIVEN SIMULATION Section 16 page xxx, Case 16.09 Edition 3 Total Steam Demand Set to CHP2 – Contribution from CHP1

UTILITY PROCESSES CHP GRAPHICAL USER INTERFACE www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES CHP GRAPHICAL USER INTERFACE Section 16 page xxx, Case 16.09 Edition 3

UTILITY PROCESSES CHP CHEMCAD SIMULATION PFD www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES CHP CHEMCAD SIMULATION PFD Section 16 page xxx, Case 16.09 Edition 3

UTILITY PROCESSES CHP OPERATING COST VARIABLE DEMAND www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES CHP OPERATING COST VARIABLE DEMAND

UTILITY PROCESSES REFRIGERATION SYSTEM www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES REFRIGERATION SYSTEM Section 16 page 537, Case 16.05

UTILITY PROCESSES REFRIGERATION SYSTEM www.chemcad.co.uk SIMULATION SUITE CHEMCAD SOFTWARE www.chemstations.com UTILITY PROCESSES REFRIGERATION SYSTEM Section 16 page 537, Case 16.05