EN 12952-9:2002
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Water-tube boilers and auxiliary installations - Part 9: Requirements for firing systems for pulverized solid fuels for the boiler
30-06-2003
11-12-2002
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
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