BS EN 12953-12:2003 - Shell boilers. Requirements for grate firing systems for solid fuels for the boiler – BSI British Standards

BS EN 12953-12:2003

Shell boilers. Requirements for grate firing systems for solid fuels for the boiler

Status : Current, Under review   Published : October 2003

Format
PDF

Format
HARDCOPY



1.1 Firing systems

This part of this European Standard specifies the requirements for internal or external grate firing systems commencing at the fuel bunkers and ending at the ash extraction plant. For combination of various firing systems, the individual requirements of each system also apply. If several fuels are burnt simultaneously or if a fuel quality varies considerably (e.g. moisture content), additional safety measures can be necessary, especially with respect to limitation of the fuel flow into the firing system and ensuring proper air supply to the individual fuels.

1.2 Fuels

The solid fuels covered are:

  • all coal qualities, e.g. lignite or brown coal, sub-bituminous or hard brown coal, bituminous coal or hard coal, pitch coal, anthracite, coke, coal culm, coal sludge;
  • other fossil solid fuels (e.g. petrol coke peat, oil shale);
  • biomass solid fuels (e.g. wood, wood wastes [bark], energy plants [miscanthus], harvest wastes [straw]);
  • municipal waste solid fuels (e.g. garbage, sewage sludge, refuse derived fuels [RDF]);
  • industrial waste solid fuels (e.g. petrol coke, soot, tyres, paper wastes, coated wood chips, spent wood, animal product wastes).

Fuel blends from two or more of these groups (see 4.1.7), or fuels of unconventional or unknown quality can require special safety measures which can be proved either by practical experience gained from comparable fuels, or by suitable tests, e.g. in accordance with EN 26184-1. Such measures should be documented by the manufacturer.
 
Fuels on which the design is based should be specified in the operating instructions (see 11.2). This should include the fuel data for 100 % input of the basic fuel and the data for any supplementary fuels together with their maximum thermal input percentage.

1.3 Operational equipment

The requirements for operational equipment in clauses 4 to 10 apply to steam boilers and hot water generators with permanent supervision by properly trained personnel familiar with the special conditions of the firing systems and the type of fuel.

ISBN 0 580 42758 7




Standard NumberBS EN 12953-12:2003
TitleShell boilers. Requirements for grate firing systems for solid fuels for the boiler
StatusCurrent, Under review
Publication Date14 October 2003
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
International RelationshipsEN 12953-12:2003
Draft Superseded By01/706903 DC
DescriptorsWood, Steam boilers, Household wastes, Fire-tube boilers, Energy sources, Coal, Solid fuels, Equipment safety, Fossil fuels, Occupational safety, Peat, Safety measures, Hot-water boilers, Industrial wastes, Boilers
ICS27.060.30
27.100
Title in FrenchChaudieres a tubes de fumee. Exigences pour les equipements de chauffe a grille pour combustibles solides de la chaudiere
Title in GermanGrosswasserraumkessel. Anforderungen an Rostfeuerungsanlagen fuer feste Brennstoffe fuer den Kessel
CommitteePVE/2
ISBN0 580 42758 7
PublisherBSI
FormatA4
DeliveryYes
Pages22
File Size323 KB
Price£130.00


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