I.S. EN 12952-9:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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WATER-TUBE BOILERS AND AUXILIARY INSTALLATIONS - PART 9: REQUIREMENTS FOR FIRING SYSTEMS FOR PULVERIZED SOLID FUELS FOR THE BOILER
Hardcopy , PDF
29-05-2023
English
01-01-2002
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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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.
| DocumentType |
Standard
|
| Pages |
27
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NS EN 12952-9 : 1ED 2003 | Identical |
| NEN EN 12952-9 : 2003 | Identical |
| NBN EN 12952-9 : 2003 | Identical |
| UNI EN 12952-9 : 2005 | Identical |
| BS EN 12952-9:2002 | Identical |
| SN EN 12952-9 : 2003 | Identical |
| NF EN 12952-9 : 2003 | Identical |
| DIN EN 12952-9:2003-04 | Identical |
| UNE-EN 12952-9:2003 | Identical |
| EN 12952-9:2002 | Identical |
| ONORM EN 12952-9 : 2003 | Identical |
| R044-001 : 1999 | SAFETY OF MACHINERY - GUIDANCE AND RECOMMENDATIONS FOR THE AVOIDANCE OF HAZARDS DUE TO STATIC ELECTRICITY |
| EN 13480-3:2017 | Metallic industrial piping - Part 3: Design and calculation |
| 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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