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 transcript:

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

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

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

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

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

Power block- Steam Turbine options Steam Turbines Backpressure Turbine Condensing Turbine Condensing Turbine Steam Turbine Backpressure/ Condensing Power Output MW Power generation efficiency, %Backpressure 15-35/ Condensing Inlet Steam Temperature ° C Inlet Steam Pressure bar( psi) Exhaust Pressure Backpressure bar( 145psi-232psi) Condensing bar( psi)

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

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

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

Q & A Welcome to ask questions