UNI EN 12952-9 : 2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
WATER-TUBE BOILERS AND AUXILIARY INSTALLATIONS - PART 9: REQUIREMENTS FOR FIRING SYSTEMS FOR PULVERIZED SOLID FUELS FOR THE BOILER
07-12-2022
01-08-2005
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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