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BS EN 12952-9:2002

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Requirements for firing systems for pulverized solid fuels for the boiler
Available format(s)

Hardcopy , PDF

Superseded date

30-11-2022

Language(s)

English

Published date

07-01-2003

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

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.

Committee
PVE/2
DevelopmentNote
Supersedes 99/709763 DC (01/2003)
DocumentType
Standard
Pages
28
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

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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