NBN EN 12952-8 : 2002
Current
The latest, up-to-date edition.
WATER-TUBE BOILERS AND AUXILIARY INSTALLATIONS - PART 8: REQUIREMENTS FOR FIRING SYSTEMS FOR LIQUID AND GASEOUS FUELS FOR THE BOILER
12-01-2013
Foreword
1 Scope
1.1 Firing systems
1.2 Fuels
1.3 Operation
2 Normative references
3 Terms and definitions
4 Fuel supply
4.1 General
4.2 Fuel transfer and preparation
4.3 Fuel lines
4.4 Safety shut-off devices (Safety trip valves)
5 Equipment for air supply and flue gas discharge
5.1 Air supply
5.2 Air/fuel ratio
5.3 Flue gas discharge
6 Firing system
6.1 Burners
6.2 Flue gas recirculation
6.3 Control and monitoring
6.4 Electrical equipment
6.5 Safety precautions
6.6 Common stack for several firing systems
7 Operating manual
8 Particular requirements for firing systems burning gaseous
fuels with high relative density
8.1 Main firing systems
8.2 Ignition burner systems
Annex A (normative) Chemical recovery boiler (black liquor
boiler)
A.1 General
A.2 Additional requirements for the firing system for
black liquor in the chemical recovery boiler
A.3 Special requirements for oil- or gas-firing for
chemical recovery boilers
Annex B (informative) Operational requirements for permanent
supervised firing systems for liquid and gaseous fuels
B.1 General
B.2 Operation
B.3 Fuel preparation
B.4 Safety shutoff devices
B.5 Air/fuel ratio
B.6 Modification of firing, burner or air/fuel
ratio setting
B.7 Control and monitoring
B.8 Purging, start-up and shut down
B.9 Emergency operation
B.10 Operating and maintenance instructions
B.11 Firing systems burning gaseous fuels with relative
density
Annex ZA (informative) Clauses of this European Standard
addressing essential safety requirements or other
provisions of the Pressure Equipment Directives
Bibliography
Gives requirements, for oil and gas firing systems of steam boilers and hot water generators as defined in EN 12952-1.
DevelopmentNote |
Supersedes NBN 731, NBN 732, NBN 733, NBN 734, NBN 735, NBN 736, NBN 737, NBN 738, NBN 739, NBN 740, NBN 741, NBN 743, NBN I 01 003, NBN I 01 004, NBN I 01 005, NBN I 01 022 and NBN I 01 002. (04/2011)
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DocumentType |
Standard
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PublisherName |
Belgian Standards
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Status |
Current
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Supersedes |
|
Standards | Relationship |
ONORM EN 12952-8 : 2002 | Identical |
NF EN 12952-8 : 2002 | Identical |
NS EN 12952-8 : 1ED 2002 | Identical |
EN 12952-8:2002 | Identical |
DIN EN 12952-8:2002-08 | Identical |
BS EN 12952-8:2002 | Identical |
UNE-EN 12952-8:2003 | Identical |
UNI EN 12952-8 : 2004 | Identical |
I.S. EN 12952-8:2002 | Identical |
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