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UNI EN 12953-12 : 2005

Current

Current

The latest, up-to-date edition.

SHELL BOILERS - PART 12: REQUIREMENTS FOR GRATE FIRING SYSTEMS FOR SOLID FUELS FOR THE BOILER

Published date

01-05-2005

Foreword
1 Scope
   1.1 Firing systems
   1.2 Fuels
   1.3 Operational equipment
2 Normative references
3 Terms and definitions
4 Fuel bunkers with conveying plant
   4.1 General
   4.2 Conveying plant
   4.3 Fuel bunkers
   4.4 Fuel bins
5 Fuel treatment
   5.1 General
   5.2 Size reduction of the fuel
   5.3 Drying of the fuel
6 Fuel feeding
7 Explosion prevention measures
8 Equipment for combustion air supply and flue gas discharge
   8.1 Air supply
   8.2 Combustion air/fuel ratio
   8.3 Flue gas discharge
9 Firing system
   9.1 General
   9.2 Control and monitoring
   9.3 Electrical equipment
   9.4 Safety precautions
       9.4.1 General
       9.4.2 Purging of the flue gas passes
       9.4.3 Lightning-up
       9.4.4 Start-up
       9.4.5 Shutting down
   9.5 Common stack for several firing systems
10 Ash handling and extraction
11 Operation and maintenance
   11.1 General
   11.2 Operating instructions
Annex A (informative) Operational requirements for permanently
        supervised firing systems for solid fuels on grate firing
        systems
Annex ZA (informative) Relationship between this European Standard
         and the Essential Requirements of EU Directive 97/23/EC
Bibliography

This part of this European Standard specifies the requirements for internal or external grate firing systems commencing at the fuel bunkers and ending at the ash extraction plant.

Committee
CT 21
DocumentType
Standard
ProductNote
Italian version is available for this standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Current

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