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  • BS EN 12952-9:2002 (published 2003-01)

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    Water-tube boilers and auxiliary installations Requirements for firing systems for pulverized solid fuels for the boiler

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  07-01-2003

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
       1.1 Firing systems
       1.2 Fuels
       1.3 Operation
       1.4 Boundary of pulverizing system
    2 Normative references
    3 Terms and definitions
    4 Fuel storage facilities with conveying plant
       4.1 General
       4.2 Conveying plant
       4.3 Coal bunkers
    5 Pulverizing system and pulverized fuel system
       5.1 General
       5.2 Coal Feeders
       5.3 Mills
       5.4 Pulverized fuel bins
       5.5 Pulverized fuel supply pipes and shutoff devices
    6 Explosion prevention measures for pulverizing systems
       and pulverized fuel systems
       6.1 General
       6.2 Plants operated without inert gas protection
       6.3 Plants operated with inert gas protection
    7 Equipment for air supply and flue gas discharge
       7.1 Air supply
       7.2 Air/fuel ratio
       7.3 Flue gas discharge
    8 Firing system
       8.1 General
       8.2 Burners for pulverized fuel
       8.3 Flue gas recirculation
       8.4 Modification of the firing system setting
       8.5 Monitoring and control
       8.6 Electrical equipment
       8.7 Safety precautions
    9 Ash extraction plant
    10 Operation and maintenance
       10.1 General
       10.2 Operating manual and instructions
    Annex A (informative) Operational requirements for permanently
              supervised firing system for pulverized fuel
    Annex ZA (informative) Clauses of this European Standard
              addressing essential requirements or other provisions
              of the Pressure Equipment Directive
    Bibliography

    Abstract - (Show below) - (Hide below)

    Relates to pulverized fuel firing systems of steam boilers and hot water generators and commences at the filling equipment for the boiler bunkers or for the pulverized fuel storage system and ends at the ash extraction plant.

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    Committee PVE/2
    Development Note Supersedes 99/709763 DC (01/2003)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 1127-1:2011 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
    R044-001 : 1999 SAFETY OF MACHINERY - GUIDANCE AND RECOMMENDATIONS FOR THE AVOIDANCE OF HAZARDS DUE TO STATIC ELECTRICITY
    PREN 50156-1 : DRAFT 2012 ELECTRICAL EQUIPMENT FOR FURNACES AND ANCILLARY EQUIPMENT - PART 1: REQUIREMENTS FOR APPLICATION DESIGN AND INSTALLATION
    ISO 6184-1:1985 Explosion protection systems Part 1: Determination of explosion indices of combustible dusts in air
    EN 13480-3:2017 METALLIC INDUSTRIAL PIPING - PART 3: DESIGN AND CALCULATION
    EN 12952-8 : 2002 WATER-TUBE BOILERS AND AUXILIARY INSTALLATIONS - PART 8: REQUIREMENTS FOR FIRING SYSTEMS FOR LIQUID AND GASEOUS FUELS FOR THE BOILER
    PREN 1268-1 : DRAFT 1994 SAFETY DEVICES FOR THE PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES
    EN 298:2012 AUTOMATIC BURNER CONTROL SYSTEMS FOR BURNERS AND APPLIANCES BURNING GASEOUS OR LIQUID FUELS
    EN 26184-1 : 1991 EXPLOSION PROTECTION SYSTEMS - DETERMINATION OF EXPLOSION INDICES OF COMBUSTIBLE DUSTS IN AIR
    1997/23/EC : 1997 DIRECTIVE 97/23/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 29 MAY 1997 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING PRESSURE EQUIPMENT
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