BS EN 12952-16-2002 Water-tube boilers and auxiliary installations - Requirements for grate and fluidized-bed firing systems for solid fuels for the boiler《水管锅炉和辅助装置 锅炉用固体燃料的炉蓖和流化床.pdf

1、Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 08 April 2003, Uncontrolled Copy, (c) BSIBRITISH STANDARD BS EN 12952-16:2002 Water-tube boilers and auxiliary installations Part 16: Requirements for grate and fluidized-bed firing systems for solid fuels for the boiler The E

2、uropean Standard EN 12952-16:2002 has the status of a British Standard ICS 27.040 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 08 April 2003, Uncontrolled Copy, (c) BSIBS EN 12952-16:2002 This British Standard, having been prepared under the direction of the Engineering

3、Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 7 January 2003 BSI 7 January 2003 ISBN 0 580 41074 9 National foreword This British Standard is the official English language version of EN 12952-16:2002. When reference to this

4、European Standard has been published in the Official Journal (OJ) of the European Communities, compliance with it will confer a presumption of conformity with the essential requirements covered by the standard in respect of the Pressure Equipment Directive. The UK participation in its preparation wa

5、s entrusted to Technical Committee PVE/2, Water-tube boilers, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to

6、in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of

7、 a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or prop

8、osals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 19 and a back cover. The BSI copyright date displa

9、yed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 08 April 2003, Uncontrolled Copy, (c) BSIEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1295216 Dec

10、ember2002 ICS27.040 Englishversion WatertubeboilersandauxiliaryinstallationsPart16: Requirementsforgrateandfluidizedbedfiringsystemsforsolid fuelsfortheboiler ChaudirestubesdeauetinstallationsauxiliairesPartie 16:Exigencespourlesquipementsdechauffelitfluidis etgrillepourcombustiblessolidesdelachaudi

11、re WasserrohrkesselundAnlagenkomponentenTeil16: AnforderungenanRostund WirbelschichtfeuerungsanlagenfrfesteBrennstoffefr denKessel ThisEuropeanStandardwasapprovedbyCENon4November2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Sta

12、ndardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytr

13、a nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Nor

14、way,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN129

15、5216:2002E Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 08 April 2003, Uncontrolled Copy, (c) BSIEN1295216:2002(E) 2 Contents page Foreword3 1 Scope 4 1.1 Firingsystems 4 1.2 Fuels4 1.3 Operation 4 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Fuelstoragefacilities

16、withconveyingplant .7 4.1 General7 4.2 Conveyingplant . 7 4.3 Fuelbunkers .8 4.4 Fuelbins . 8 5 Fueltreatment 8 5.1 General8 5.2 Sizereductionofthefuel 9 5.3 Dryingofthefuel 9 6 Fuelfeeding 9 7 Explosionpreventionmeasures. 10 8 Equipmentforcombustionairsupplyandfluegasdischarge.10 8.1 Airsupply 10 8

17、2 Combustionair/fuelratio . .11 8.3 Fluegasdischarge 11 9 Firingsystem. .12 9.1 General12 9.2 Monitoringandcontrol 12 9.3 Electricalequipment 12 9.4 Safetyprecautions .12 9.5 Commonstackforseveralfiringsystems . .14 10 Ashhandlingandextraction .14 11 Operatingmanual . .15 AnnexA (informative) Opera

18、tionalrequirementsforpermanentlysupervisedfiringsystemsforsolid fuelsforfluidizedbedandgratefiringsystems. 16 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives 18 Bibliography 19 Licensed Copy: Wang Bin, ISO/Exchange China Standards In

19、formation Centre, 08 April 2003, Uncontrolled Copy, (c) BSIEN1295216:2002(E) 3 Foreword Thisdocument(EN1295216:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC269“Shellandwater tubeboilers“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicati

20、onofanidenticaltextor byendorsement,atthelatestbyJune2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby June2003. ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandthe EuropeanFreeTradeAssociation,andsupportsessentialrequirementsEUDirective97/23/EC1.

21、ForrelationshipwithEUDirective97/23/EC,seeinformativeAnnexZA,whichisanintegralpartofthisdocument. TheEuropeanStandardEN12952concerningwatertubeboilersandauxiliaryinstallationsconsistsofthefollowing parts: Part1:General Part2:Materialsforpressurepartsofboilersandaccessories Part3:Designandcalculation

22、forpressureparts Part4:Inserviceboilerlifeexpectancycalculations Part5:Workmanshipandconstructionofpressurepartsoftheboiler Part6:Inspectionduringconstruction,documentationandmarkingofpressurepartsoftheboiler Part7:Requirementsforequipmentfortheboiler Part8:Requirementsforfiringsystemsforliquidandga

23、seousfuelsfortheboiler Part9:Requirementsforfiringsystemsforpulverizedsolidfuelsfortheboiler Part10:Requirementsforsafeguardsagainstexcessivepressure Part11:Requirementsforlimitingdevicesoftheboilerandaccessories Part12:Requirementsforfeedwaterandboilerwaterquality Part13:Requirementsforfluegasclean

24、ingsystems Part14:RequirementsforfluegasDENOXsystems Part15:Acceptancetests Part16:Requirementsforgrateandfluidizedbedfiringsystemsforsolidfuelsfortheboiler CR1295217, WatertubeboilersandauxiliaryinstallationsPart17:Guidelinefortheinvolvementofaninspec tionbodyindependentofthemanufacturer. Althought

25、hesepartsmaybeobtainedseparately,itshouldberecognizedthatthepartsareinterdependent.As such,thedesignandmanufactureofwatertubeboilersrequirestheapplicationofmorethanonepartinorderfor therequirementsoftheEuropeanStandardtobesatisfactorilyfulfilled. NOTE Parts4and15arenotapplicableduringthedesign,const

26、ructionandinstallationstages. AnnexAofthisEuropeanStandardisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcoun triesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,

27、Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Swe den,SwitzerlandandtheUnitedKingdom. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 08 April 2003, Uncontrolled Copy, (c) BSIEN1295216:2002(E) 4 1Scope 1.1 Firingsystems ThisPartofthisEuropeanStandardappliestoatmo

28、sphericfluidizedbedandgratefiringsystemsofsteamboilers andhotwatergenerators.Thesesystemscommenceatthefuelbunkersandendattheashextractionplant.For combinationofvariousfiringsystems,theindividualrequirementsofeachsystemapply,especiallythoseincluded inEN129528andEN129529. Ifseveralfuelsareburntsimulta

29、neouslyorifafuelqualityvariesconsiderably(e.g.moisturecontent),additional safetymeasuresmaybenecessary,especiallywithrespecttolimitationofthefuelflowintothefiringsystemand ensuringproperairsupplytotheindividualfuels. Pressurizedfiringsystemsmayrequireenhancedsafetymeasures,whicharenotgiveninthisEuro

30、peanStandard. 1.2Fuels ThisEuropeanStandardcoverstheuseofsolidfuels.Pulverizedfuelfiredinanentrainedairflow(burner)system iscoveredbyEN129529. Solidfuelscoveredare: allcoalqualities,e.g.ligniteorbrowncoal,subbituminousorhardbrowncoal,bituminouscoalorhardcoal, pitchcoal,anthracite,coke,coalculm,coals

31、ludge; otherfossilsolidfuels(e.g.peat,oilshale); biomasssolidfuels(e.g.wood,woodwastesbark,pellets,energyplantsmiscanthus,harvestwastesstraw andbriquettes); municipalwastesolidfuels(e.g.garbage,sewagesludge,refusederivedfuelsRDF); industrialwastesolidfuels(e.g.petrolcoke,soot,tyres,paperwastes,coate

32、dwoodchips,spentwood,animal productwastes). Fuelblendsfromtwoormoregroups,orfuelsofunconventionalorunknownqualitymayrequirespecialsafety measureswhichcanbeprovedeitherbypracticalexperiencegainedfromcomparablefuels,orbysuitabletests, e.g.inaccordancewithEN 261841.Suchmeasuresspecifiedanddocumentedbyt

33、hemanufacturer. Fuelsonwhichthedesignisdocumentedintheoperatinginstructions(see11.2).Thisincludethefueldatafor 100%inputofthebasicfuelandthedataforanysupplementaryfuelstogetherwiththeirmaximumthermalinput percentage. 1.3Operation Therequirementsforoperationalequipmentinclauses4to11applytosteamboiler

34、sandhotwatergeneratorswith permanentsupervisionbyproperlytrainedpersonnelfamiliarwiththespecialconditionsofthefiringsystemsand thetypeoffuel. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 08 April 2003, Uncontrolled Copy, (c) BSIEN1295216:2002(E) 5 2 Normativereferences T

35、hisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonly

36、whenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN129528:2002, WatertubeboilersandauxiliaryinstallationsPart8:Requirementsforfiringsystemsforliquid andgaseousfuelsfortheboiler. EN129529:2002, Watertubeboilersandau

37、xiliaryinstallationsPart9:Requirementsforfiringsystemsforpul verizedsolidfuelfortheboiler. prEN501561, ElectricalequipmentforfurnacesandancillaryequipmentPart1:Requirementsforapplication, designandinstallation. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinition

38、sapply. 3.1 annunciator devicetosenseanonstandardorabnormalconditionandinitiateavisualand/oraudiblesignal 3.2 backupfiringsystem separatefiringsystemtomaintainsafeignitionandstablecombustion 3.3 basicfire inthecaseofgratefiringsystemsthelayerofglowingfuel,firebed,orflameofthefedfuel NOTE Thebasicfir

39、eensuressafeignition. 3.4 carriergas transportmediumforpneumaticconveying 3.5 combustionair totalairsuppliedtothefiringsystemforcombustion 3.6 combustionprocessmonitoringdevice devicewhichdetectsthepresenceofthefire,ortheconditionsrequiredforastablecombustionprocess 3.7 firingsystemheatinput heatinp

40、utintothecombustionchamber.Thisnormallyiscalculatedasthemassflowofthefuelmultipliedbyitsnet calorificvalue 3.8 firingsystems thetotalequipmentrequiredforthecombustionoffuels,includingtheinstallationsforthestorageintheboiler house,preparationandsupplyoffuels,thecombustionairsupply,thegrateorfluidized

41、bed,thefluegasdis charge,andallrelatedcontrolandmonitoringdevices Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 08 April 2003, Uncontrolled Copy, (c) BSIEN1295216:2002(E) 6 3.9 fluidizedbedcombustionfiringsystems(FBC) fuelisburntinitsfluidizedstatetogetherwithaninertcompo

42、nent 3.10 fuelbin silo dusttightandairtightcontainerforstorageoffuels 3.11 fuelbunker containerforthestorageofsolidfuel 3.12 fuelfeedingsystem devicetotransportfuelintothecombustionchamber NOTE Thiscanbeeffectede.g.byfeedersthroughportsinthefurnacewalls,bymeansofchutesorlances,throughthe bottomgrate

43、orfluidizinggasdistributor,orindirectlyintotheashrecirculationorcombustionairsupply. 3.13 fuelhandlingplant installationforconveying,mixinganddistributingsolidfuelstotheindividualfuelbunkersorfuelbins 3.14 gratefiringsystem fuelisburntinalayersupportedbyasysteme.g.firebars,whichcanhaveacoolingsystem

44、 3.15 indicator measuringinstrumentwhichindicatesavariablevalue(e.g.pressure,temperature,flow,level) NOTE Itcanbeequippedwithanannunciator. 3.16 lightingupequipment facilitytoachievesafeignitionofthefeedfuel 3.17 limiter transducer,which,onreachingafixedlimitvalue(e.g.pressure,temperature,flow,level)isusedtointerruptand lockouttheenergysupply.Itrequires