ISO／DIS 17225-5：2020.docx

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1、DRAFTINTERNATIONA1STANDARDISO/DIS17225-5ISOTC238Votingbeginson:2023-07-14Secretariat:SISVotingterminateson:2023-10-06So1idbiofue1s-Fue1specificationsandc1asses一Part5:GradedfirewoodBioconibustib1esso1ides-C1assesetspecificationsdescombustib1es一Partie5:C1assesdeboisdeChauffageICS:27.190;75.160.40THISD

2、OCUMENTISADRAFTCIRCU1ATEDFORCOMMENTANDAPPROVA1.ITISTHEREFORESUBJECTTOCHANGEANDMAYNOTBEREFERREDTOSANINTERNATIONA1STANDARDUNTI1PUB1ISHEDASSUCH.INADDITIONTOTHEIREVA1UATIONASBEINGACCEPTAB1EFORINDUSTRIA1TECHNO1OGICA1,COMMERCIA1ANDUSERPURPOSES.DRAFTINTERNATIONA1STANDARDSMAYONOCCASIONHAVETOBECONSIDEREDINTH

3、E1IGHTOFTHEIRPOTENTIA1TOBECOMESTANDARDSTOWHICHREFERENCEMAYBEMADEINNATIONA1REGU1ATIONS.RECIPIENTSOFTHISDRAFTAREINVITEDTOSUBMIT.WITHTHEIRCOMMENTS.NOTIFICATIONOFANYRE1EVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATION.Thisdocumentiscircu1atedasreceivedfromthecommitteesecretariat.IS

4、O/CENPARA11E1PROCESSINGReferencenumberISO/DIS17225-5:2023(E)COPYRIGHTPROTECTEDDOCUMENTISO2023A11rightsreserved.Un1essotherwisespecied,orrequiredinthecontextofitsimp1ementation,nopartofthispub1icationmaybereproducedoruti1izedotherwiseinanyformorbyanymeans,e1ectronicormechanica1,inc1udingphotocopying,

5、orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1owor!SO,smemberbodyinthecountryoftherequesterISOcopyrightofficeCP401Ch.deB1andonnet8CH-1214VernieGenevaPhone:*41227490111Fax:41227490947Emai1:copyrightiso.orgWebsite:www.iso.orgPub1is

6、hedinSwitzer1andPageContentsForewordIntroduction2Nc)rmatvereferences14Symbo1sandabbreviatedterms2jfjCatjcIrew1AnnexA(informative)Comparisonofmoisturecontentasreceivedanddrybasis5AnneXB(informative)Measurementoffirewood7AnnexC(informative)Ca1eI11atiO1Iofenergydensity8iirForewordISO(theInternationa1Or

7、ganizationforStandardization)isawor1dwidefederationofnationa1standardsbodies(ISOmemberbodies).TheworkofpreparingInternationa1Standardsisnorma11ycarriedoutthroughISOtechnica1committees.Eachmemberbodyinterestedinasubjectforwhichatechnica1committeehasbeenestab1ishedhastherighttoberepresentedonthatcommi

8、ttee,internationa1organizations,governmenta1andnon-governmenta1,in1iaisonwithISO,a1sotakepartinthework.ISOco11aboratesc1ose1ywiththeInternationa1E1ectrotechnica1Commission(IEC)ona11mattersofe1ectrotechnica1standardization.Theproceduresusedtodeve1opthisdocumentandthoseintendedforitsfurthermaintenance

9、aredescribedintheISO/IECDirectives,Part1.Inparticu1ar,thedifferentapprova1criterianeededforthedifferenttypesofISOdocumentsshou1dbenoted.Thisdocumentwasdraftedinaccordancewiththeeditoria1ru1esoftheISO/IECDirectives,Part2(seeWWW,isoQigdiecUves).Attentionisdrawntothepossibi1itythatsomeofthee1ementsofth

10、isdocumentmaybethesubjectofpatentrights.ISOsha11notbehe1dresponsib1eforidentifyinganyora11suchpatentrights.Detai1sofanypatentrightsidentifiedduringthedeve1opmentofthedocumentwi11beintheIntroductionand/orontheISO1istofpatentdec1arationsreceived(seeWWW.iso.org/patents).Anytradenameusedinthisdocumentis

11、informationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexp1anationofthevo1untarynatureofstandards,themeaningofISOspecifictermsandexpressionsre1atedtoconformityassessment,aswe11asinformationaboutISOsadherencetotheWor1dTradeOrganization(WTO)princip1esintheTechnica1BarrierstoTra

12、de(TBT),seewww.iso.org/iso/foreword.htm1.ThisdocumentwaspreparedbyTechnica1Committee1SOTC238,So1idbiofue1s.Thissecondeditioncance1sandrep1acesthefirstedition(ISO17225-5:2014),whichhasbeentechnica11yrevised.Themainchangescomparedtothepreviouseditionareasfo11ows: FigUre1anddimensionschangedA1istofa11p

13、artsintheISO17225seriescanbefoundontheISOwebsite.Anyfeedbackorquestionsonthisdocumentshou1dbedirectedtotheuser,snationa1standardsbody.Acomp1ete1istingofthesebodiescanbefoundatWWWjSoQrg/members.htm1.IntroductionTheobjectiveoftheISO17225seriesistoprovideunambiguousandc1earc1assificationprincip1esforso

14、1idbiofue1s;toserveasatoo1toenab1eefficienttradingofbiofue1s;toenab1egoodunderstandingbetweense11erandbuyeraswe11asatoo1forcommunicationwithequipmentmanufacturers.Ita1sofaci1itatesauthoritypermissionproceduresandreporting.ThispartofISO17225supportstheuseofgradedfirewoodforresidentia1,sma11commercia1

15、andpub1icbui1dingswhichrequirec1assifiedfirewoodqua1ity.Theresidentia1,sma11andcommercia1andpub1icbui1dingapp1icationsrequirehigherqua1ityfue1forthefo11owingreasons: Sma11-sca1eequipmentdoesnotusua11yhaveadvancedcontro1sandf1uegasc1eaning. App1iancesarenotgenera11ymanagedbyprofessiona1heatingenginee

16、rs. App1iancesareoften1ocatedinresidentia1andpopu1ateddistricts.NOTE1FirewoodproducedaccordingtothispartofISO17225maybeusedinstoves,firep1aces,cookers,roomheatersandmu1tifiredsaunastoves,whicharetestedaccordingtoEuropeanstandardsEN13229,EN128154EN12809，EN13240，EN15250andEN15821-andboi1erssystemstestedaccordingtoEN303-5口.NOTE2Forindiv