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AS RUN BOILER PERFORMANCE ASSESSMENT FOR ENERGY EFFICIENCY D PAWAN KUMAR
  Useful  reference  standards   British standard, BS845: 1987  This  describes the methods and conditions under which a boiler should be tested. Boiler should be operated under steady load conditions (generally full load) for a period of one hour before taking reading ASME Standard: PTC-4-1 _Power Test Code for Steam Generating Units             Part One:  Direct method (also called as Input -output method)          Part Two:  Indirect method (also called as Heat loss method)   IS 8753: Indian Standard for Boiler Efficiency Testing   All standards do not include blow down as a loss in the efficiency determination process.
Direct Method  of  as run Trials:
Indirect Method  of as run Trials:
INSTRUMENTS REQUIRED:   Flue gas analysers Portable temperature indicator On-line instruments of boiler control room. Facilities of the chemistry lab or outside lab for coal / ash / water analysis.  (coal proximate or ultimate analysis, un-burnt in bottom and fly ash, TDS, pH of feed water / blow-down / condensate. Power analyser for power measurement of ID fan, FD fan, ESP, crushers, BFP (boiler feed water pump) cool handling plant/ash handling plant, etc.
The illustrative data collected is for a boiler using coal as fuel.  Assessing the as run boiler efficiency by indirect method .
 
 
 
 
 
 
 
 
Summary of As run heat balance for Coal Fired Boiler
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THANK  YOU

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As run boiler performance assessment for energy efficiency

  • 1. AS RUN BOILER PERFORMANCE ASSESSMENT FOR ENERGY EFFICIENCY D PAWAN KUMAR
  • 2.   Useful reference standards British standard, BS845: 1987 This describes the methods and conditions under which a boiler should be tested. Boiler should be operated under steady load conditions (generally full load) for a period of one hour before taking reading ASME Standard: PTC-4-1 _Power Test Code for Steam Generating Units            Part One: Direct method (also called as Input -output method)         Part Two: Indirect method (also called as Heat loss method)   IS 8753: Indian Standard for Boiler Efficiency Testing   All standards do not include blow down as a loss in the efficiency determination process.
  • 3. Direct Method of as run Trials:
  • 4. Indirect Method of as run Trials:
  • 5. INSTRUMENTS REQUIRED: Flue gas analysers Portable temperature indicator On-line instruments of boiler control room. Facilities of the chemistry lab or outside lab for coal / ash / water analysis. (coal proximate or ultimate analysis, un-burnt in bottom and fly ash, TDS, pH of feed water / blow-down / condensate. Power analyser for power measurement of ID fan, FD fan, ESP, crushers, BFP (boiler feed water pump) cool handling plant/ash handling plant, etc.
  • 6. The illustrative data collected is for a boiler using coal as fuel. Assessing the as run boiler efficiency by indirect method .
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  • 15. Summary of As run heat balance for Coal Fired Boiler
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