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  • NBN EN 12952-8 : 2002

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    WATER-TUBE BOILERS AND AUXILIARY INSTALLATIONS - PART 8: REQUIREMENTS FOR FIRING SYSTEMS FOR LIQUID AND GASEOUS FUELS FOR THE BOILER

    Available format(s): 

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Belgian Standards

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
      1.1 Firing systems
      1.2 Fuels
      1.3 Operation
    2 Normative references
    3 Terms and definitions
    4 Fuel supply
      4.1 General
      4.2 Fuel transfer and preparation
      4.3 Fuel lines
      4.4 Safety shut-off devices (Safety trip valves)
    5 Equipment for air supply and flue gas discharge
      5.1 Air supply
      5.2 Air/fuel ratio
      5.3 Flue gas discharge
    6 Firing system
      6.1 Burners
      6.2 Flue gas recirculation
      6.3 Control and monitoring
      6.4 Electrical equipment
      6.5 Safety precautions
      6.6 Common stack for several firing systems
    7 Operating manual
    8 Particular requirements for firing systems burning gaseous
      fuels with high relative density
      8.1 Main firing systems
      8.2 Ignition burner systems
    Annex A (normative) Chemical recovery boiler (black liquor
             boiler)
          A.1 General
          A.2 Additional requirements for the firing system for
              black liquor in the chemical recovery boiler
          A.3 Special requirements for oil- or gas-firing for
              chemical recovery boilers
    Annex B (informative) Operational requirements for permanent
             supervised firing systems for liquid and gaseous fuels
          B.1 General
          B.2 Operation
          B.3 Fuel preparation
          B.4 Safety shutoff devices
          B.5 Air/fuel ratio
          B.6 Modification of firing, burner or air/fuel
               ratio setting
          B.7 Control and monitoring
          B.8 Purging, start-up and shut down
          B.9 Emergency operation
          B.10 Operating and maintenance instructions
          B.11 Firing systems burning gaseous fuels with relative
               density
    Annex ZA (informative) Clauses of this European Standard
             addressing essential safety requirements or other
             provisions of the Pressure Equipment Directives
    Bibliography

    Abstract - (Show below) - (Hide below)

    Gives requirements, for oil and gas firing systems of steam boilers and hot water generators as defined in EN 12952-1.

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    Development Note Supersedes NBN 731, NBN 732, NBN 733, NBN 734, NBN 735, NBN 736, NBN 737, NBN 738, NBN 739, NBN 740, NBN 741, NBN 743, NBN I 01 003, NBN I 01 004, NBN I 01 005, NBN I 01 022 and NBN I 01 002. (04/2011)
    Document Type Standard
    Publisher Belgian Standards
    Status Current
    Supersedes
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