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1、FINA1DRAFTINTERNATIONA1ISO/FDISSTANDARD17225-2ISOTC238Secretariat:S1SVotingbeginson:2023-1028Votingterminateson:2023-12-23So1idbiofue1sFue1specificationsandc1asses一Part2:Gradedwoodpe11etsBiocombiistib1esso1ides-C1assesetspecificationsdescombustib1es一Partie2:C1assesdegranu1esdeboisISO/CENPARA11E1PROC
2、ESSINGReferencenumberISO/FDIS17225-2:2023(E)ISO2023RECIPIENTSOFTHISDRAFTAREINVITEDTOSUBMIT.WITHTHEIRCOMMENTS.NOTIFICATIONOFANYRE1EVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATIONINADDITIONTOTHEIREVA1UATIONASbeingAcceftab1eforindustria1techno1ogica1.COMMERCIA1ANDUSERPURPOSES.DRA
3、FTINTERNATIONA1STANDARDSMAYONOCCASIONHAVETOBECONSIDEREDINTHE1IGHTOFTHEIRPOTENTIA1TOBECOMESTAN.DARDSTOWHICHREFERENCEMAYBEMADEINNATIONA1REGU1ATIONSCOPYRIGHTPROTECTEDDOCUMENTISO2023A11rightsreserved.Un1essotherwisespecified,orrequiredinthecontextofitsimp1ementation,nopartofthispub1icationmaybereproduce
4、doruti1izedotherwiseinanyformorbyanymeans,e1ectronicormechanica1,inc1udingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1oworISOsmemberbodyinthecountryoftherequesterISOcopyrightofficeCP401Ch.deB1andonnet8CH1214Vernier
5、;GenevaPhone:*41227490111Emai1:copyrightiso.orgWebsite:www.iso.orgPub1ishedinSwitzer1andForewordjvItrQCtjV1Scope2Normativereferences3Termsanddenitions24Svmbokandabbreviatedterms35Specificationofgradedwoodpe11ets4Bib1iography9PageContentsForewordISO(theInternationa1OrganizationforStandardization)isaw
6、or1dwidefederationofnationa1standardsbodies(ISOmemberbodies).TheworkofpreparingInternationa1Standardsisnorma11ycarriedoutthroughISOtechnica1committees.Eachmemberbodyinterestedinasubjectforwhichatechnica1committeehasbeenestab1ishedhastherighttoberepresentedonthatcommittee,internationa1organizations,g
7、overnmenta1andnon-governmenta1,in1iaisonwithISO,a1sotakepartinthework.ISOco11aboratesc1ose1ywiththeInternationa1E1ectrotechnica1Commission(IEC)ona11mattersofe1ectrotechnica1standardization.Theproceduresusedtodeve1opthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirective
8、s,Part1.Inparticu1ar,thedifferentapprova1criterianeededforthedifferenttypesofISOdocumentsshou1dbenoted.Thisdocumentwasdraftedinaccordancewiththeeditoria1ru1esoftheISO/IECDirectives,Part2(seeWWW,isoQigdiecUves).Attentionisdrawntothepossibi1itythatsomeofthee1ementsofthisdocumentmaybethesubjectofpatent
9、rights.ISOsha11notbehe1dresponsib1eforidentifyinganyora11suchpatentrights.Detai1sofanypatentrightsidentifiedduringthedeve1opmentofthedocumentwi11beintheIntroductionand/orontheISO1istofpatentdec1arationsreceived(seeWWW.iso.org/patents).Anytradenameusedinthisdocumentisinformationgivenfortheconvenience
10、ofusersanddoesnotconstituteanendorsement.Foranexp1anationofthevo1untarynatureofstandards,themeaningofISOspecifictermsandexpressionsre1atedtoconformityassessment,aswe11asinformationaboutISOsadherencetotheWor1dTradeOrganization(WTO)princip1esintheTechnica1BarrierstoTrade(TBT),seewww.iso.org/iso/forewo
11、rd.htm1.ThisdocumentwaspreparedbyTechnica1Committee1SOTC238,So1idbiofue1s.Thissecondeditioncance1sandrep1acesthefirstedition(ISO17225-2:2014),whichhasbeentechnica11yrevised.Themainchangescomparedtothepreviouseditionareasfo11ows: ashme1tingbehaviourasnormativeandthresho1dva1uesforDTtemperatureaddedfo
12、rTab1e1 maximumva1ueforbu1kdensityaddedforTab1e1 partic1edensityandcoarsepe11etfinesaddedasinformativeA1istofa11partsintheISO17225seriescanbefoundontheISOwebsite.Anyfeedbackorquestionsonthisdocumentshou1dbedirectedtotheuser,snationa1standardsbody.Acomp1ete1istingofthesebodiescanbefoundatWWWjSOQrg/me
13、mbers.htm1.IntroductionTheobjectiveoftheISO17225seriesistoprovideunambiguousandc1earc1assificationprincip1esforso1idbiofue1s;toserveasatoo1toenab1eefficienttradingofso1idbiofue1s;toenab1egoodunderstandingbetweense11erandbuyeraswe11asatoo1forcommunicationwithequipmentmanufacturers.Ita1sofaci1itatesau
14、thoritypermissionproceduresandreporting.Thisdocumentsupportstheuseofgradedwoodpe11etsforresidentia1,sma11commercia1andpub1icbui1dingsaswe11asindustria1energygenerationapp1ications,whichrequirec1assifiedpe11etqua1ity.Theresidentia1,sma11andcommercia1andpub1icbui1dingapp1icationsrequirehigherqua1ityfu
15、e1forthefo11owingreasons: Sma11-sca1eequipmentdoesnotusua11yhaveadvancedcontro1sandf1uegasc1eaning. App1iancesarenotgenera11ymanagedbyprofessiona1heatingengineers. App1iancesareoften1ocatedinresidentia1andpopu1ateddistricts.NOTE1Pei1etsproducedaccordingtothisdocumentcanbeusedinpe11etstoves,whicharetestedaccordingtoEuropeanStandardEN14785U1pe11etburnerstestedaccordingtoEN15270回andpe11etboi1ersorintegrated*pe11etburnersystemstestedaccordingtoEN303-5NOTE2Forindividua1contracts,ISO17225-1canbeused.A1thoughtheseproductstandardsmaybeobtainedseparate1y,theyrequireagenera1understandingofthestandards
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