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Professor: Jeffery Perl Mentor: Dennis O’Brian Team Members: Jinrong Chen, Kei Simmel, Hantao Wang, Marzena Zarycki Scribe: Hantao Wang.

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Presentation on theme: "Professor: Jeffery Perl Mentor: Dennis O’Brian Team Members: Jinrong Chen, Kei Simmel, Hantao Wang, Marzena Zarycki Scribe: Hantao Wang."— Presentation transcript:

1 Professor: Jeffery Perl Mentor: Dennis O’Brian Team Members: Jinrong Chen, Kei Simmel, Hantao Wang, Marzena Zarycki Scribe: Hantao Wang

2 Combined Heat and Power (CHP) What is CHP? An efficient way to generate heat and power together What does CHP provide to the rest of the project? Electricity Cooling water Why is CHP needed? Improves fuel efficiency Cuts down energy cost Reduces investment Our Goal “To optimize energy production and consumption of the whole plant.“ - Prof. Perl

3 Block Flow Diagram Power Block Power Block Boiler Feed Prep Boiler Feed Prep Cooling Water Cooling Water Natural Gas Grid Plants Reject (Blow Down) Makeup Water (Frac Water) Plants Reject (Blow Down) Reclaimed Water Plants

4 Power Block Combined Cycle - Gas Turbine - Heat Recovery System Generator (HRSG) - Steam Turbine

5 Power block - Gas Turbine options Gas Turbines Conventional Turbines Microturbines 20-300kW Aeroderivative Power output : 16-120 MW Efficiency: ~54% Emission: 15-25NOxpp/ 25ppmCO Industrial Heavy duty Power output : 11-340 MW Efficiency: ~55% Emission: 4-15NOxpp/ 25ppmCO Small duty Power output : 5-50 MW Efficiency: ~35%

6 Power block- Steam Turbine options Steam Turbines Backpressure Turbine Condensing Turbine Condensing Turbine Steam Turbine Backpressure/ Condensing Power Output6- 250 MW Power generation efficiency, %Backpressure 15-35/ Condensing 30-40 Inlet Steam Temperature 500-580 ° C Inlet Steam Pressure10-165 bar(145- 2395psi) Exhaust Pressure Backpressure 10-16 bar( 145psi-232psi) Condensing 0.25 -1.0 bar(3.6 -14.5psi)

7 Cooling Water Feed: Hydraulic Fracturing Fluid Frac Water Composition Types of Systems: Open Recirculation Closed Recirculation Filtration Processes Cooling Tower Output Stream Composition

8 Boiler Feed Pretreatment What is boiler feed pretreatment? A series of separation processes to provide pure water for boiler Why do we need boiler feed pretreatment? Maximizes lifetime Maximizes performance Reduces costs

9 Boiler Feed Pretreatment Design Basis Production scale – Required amount of water for boiler Feedstock – Reclaimed water Blow down – Hazards for environment Main Pretreatment Processes Clarification Filtration Reverse Osmosis Ion Exchange Available Suppliers GE; Nalco; Siemens; Veolia

10 Q & A Welcome to ask questions

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