Energy Efficiency andIntelligent Power Plants.ppt

1、Energy Efficiency and Intelligent Power Plants,Rameshbabu R S 10th May, 2006 The Center For Bits And Atoms MIT,Broad and Diverse Business, Technologies and Products,Honeywell International Inc,Context for Industrial Energy Efficiency,Emission,Demand,Generation,Plant Performance Management,Distribute

2、d Demand Management,Equipment Performance Optimization,Key Components of Intelligent Power plant,Process monitoring and optimizationPlant and Unit performances analysisEconomical analysis of plant for optimizationSchedule optimizationAdvanced control technologiesEquipment health management,Process M

3、onitoring, Optimization & Mgmt,Real-time Process data collectionReal-time process statisticsReal-time process monitoringSchematics visualization & analysisReports Generation,Performance Calculation & Analysis,Plant Performance Unit Performance Mass and Energy Balance Boiler Turbine Feedwater Heater

4、Condenser Cooling Tower,Air Preheater Feedwater Pump Condensing Pump Circulating Pump Induced Draft Fans Force Draft Fans Primary Air Fans Combustion Turbine,Economical analysis and optimal operation guidance,Calculate and compare between the actually controllable parameters and expected parameters

5、to obtaining the energy losses Analyze the reasons of deviation by expert system, and providing the operation direction Primary Controllable Losses Main Steam Pressure Main Steam Temperature Reheat Steam Temperature Carbon Content of Fly Ash More Primary uncontrollable Losses RH Pressure Loss Fuel T

6、hermal Value HP Turbine Efficiency More,Optimal Operational Schedule,Receive the instruction from EMS (Energy Management System), then distribute the load to each unit, meanwhile reduce the gross coal consumption and ensure safe, steady and economical running. Integrate the equal Incremental Rate an

7、d Neural Network arithmetic to predict the load variation. Consider all restricted conditions and running steadily, to ensure running safely and economically. Flexible running modes, and satisfy various conditions. E.g. Sootblowing How to measure & monitor the cleanliness or fouling? How to quantify

8、 the degree of contamination? How to measure the change in heat transfer efficiency of the surface?,Advanced Control Technology,E.g. Advanced Combustion Control To optimize the excess air in the combustion process to decrease CO emission Calculate the best relationship between oxygen, air flow, coal

9、 supply, main steam flow and so onOnline Performance Test Boiler Performance Test Turbine Performance Test Condenser Performance Test Air Preheater Leakage Test Vacuum Leakage Test,Typical Sol: Industrial Power Plant,Several boilers operating to common steam header,Backpressure turbine(s) (w/extract

10、ions),Condensing turbine(s) (w/extractions),Steam Let-down Station(s),ACC Advanced Combustion Control ELA-B Economic Load Allocation for Boiler ELA-T Economic Load Allocation for Turbine,TLC Tie Line Control MPC Master Pressure Control,Sample Optimization Benefits,HPI/Chemical plant relying on steam

11、 delivery from in-house boiler unit,Scenario for Industrial Power:,Sample Optimization Benefits,CHP selling heat, power, and power ancillary services,Scenario for District Heating:,Summary,Specific Benefits of the Industrial Energy Efficiency Sol Improved stability of steam headers, responsiveness t

12、o steam demand Increased power generation flexibility Minimized operations cost Overall efficiency increase Fuel cost savings CO2 Emission Reduction A comprehensive Intelligent Power Plan is aimed to improve the overall Energy Efficiency in following aspects Improved Generation Efficiency Improved Energy Consumption Efficiency Reduced Emission,We are building a world thats Safer and more secure More comfortable and energy efficient More innovative and productiveWe are Honeywell.,Aerospace,Automation Control,Transportation Systems,Specialty Materials,,