ISO／DIS 17225-7：2020.docx

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1、DRAFTINTERNATIONA1STANDARDISO/DIS17225-7ISOTC238Votingbeginson:2023-07-14Secretariat:SISVotingterminateson:2023-10-06So1idbiofue1s-Fue1specificationsandc1asses一Part7:Gradednon-woodybriquettesBioconibustib1esso1ides-C1assesetspecificationsdescombustib1es一Partie7:C1assesdebriquettesd,origineagrico1eIC

2、S:27.190;75.160.40THISDOCUMENTISADRAFTCIRCU1ATEDFORCOMMENTANDAPPROVA1.ITISTHEREFORESUBJECTTOCHANGEANDMAYNOTBEREFERREDTOSANINTERNATIONA1STANDARDUNTI1PUB1ISHEDASSUCH.INADDITIONTOTHEIREVA1UATIONASBEINGACCEPTAB1EFORINDUSTRIA1TECHNO1OGICA1,COMMERCIA1ANDUSERPURPOSES.DRAFTINTERNATIONA1STANDARDSMAYONOCCASIO

3、NHAVETOBECONSIDEREDINTHE1IGHTOFTHEIRPOTENTIA1TOBECOMESTANDARDSTOWHICHREFERENCEMAYBEMADEINNATIONA1REGU1ATIONS.RECIPIENTSOFTHISDRAFTAREINVITEDTOSUBMIT.WITHTHEIRCOMMENTS.NOTIFICATIONOFANYRE1EVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATION.Thisdocumentiscircu1atedasreceivedfromthe

4、committeesecretariat.ISO/CENPARA11E1PROCESSINGReferencenumberISO/DIS17225-7:2023(E)COPYRIGHTPROTECTEDDOCUMENTISO2023A11rightsreserved.Un1essotherwisespecied,orrequiredinthecontextofitsimp1ementation,nopartofthispub1icationmaybereproducedoruti1izedotherwiseinanyformorbyanymeans,e1ectronicormechanica1

5、,inc1udingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1owor!SO,smemberbodyinthecountryoftherequesterISOcopyrightofficeCP401Ch.deB1andonnet8CH-1214VernieGenevaPhone:*41227490111Fax:41227490947Emai1:copyrightiso.orgWe

6、bsite:www.iso.orgPub1ishedinSwitzer1andPageContentsForewordIntroductionNormativereferencesTermsanddenitionsSymbo1sandabbreviatedtermsSpecificationofgradednon-woodybriquettesBib1iographyForewordISO(theInternationa1OrganizationforStandardization)isawor1dwidefederationofnationa1standardsbodies(ISOmembe

7、rbodies).TheworkofpreparingInternationa1Standardsisnorma11ycarriedoutthroughISOtechnica1committees.Eachmemberbodyinterestedinasubjectforwhichatechnica1committeehasbeenestab1ishedhastherighttoberepresentedonthatcommittee,internationa1organizations,governmenta1andnon-governmenta1,in1iaisonwithISO,a1so

8、takepartinthework.ISOco11aboratesc1ose1ywiththeInternationa1E1ectrotechnica1Commission(IEC)ona11mattersofe1ectrotechnica1standardization.Theproceduresusedtodeve1opthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticu1ar,thedifferentapprova1criterianee

9、dedforthedifferenttypesofISOdocumentsshou1dbenoted.Thisdocumentwasdraftedinaccordancewiththeeditoria1ru1esoftheISO/IECDirectives,Part2(seeWWW,isoQigdiecUves).Attentionisdrawntothepossibi1itythatsomeofthee1ementsofthisdocumentmaybethesubjectofpatentrights.ISOsha11notbehe1dresponsib1eforidentifyingany

10、ora11suchpatentrights.Detai1sofanypatentrightsidentifiedduringthedeve1opmentofthedocumentwi11beintheIntroductionand/orontheISO1istofpatentdec1arationsreceived(seeWWW.iso.org/patents).Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexp1an

11、ationofthevo1untarynatureofstandards,themeaningofISOspecifictermsandexpressionsre1atedtoconformityassessment,aswe11asinformationaboutISOsadherencetotheWor1dTradeOrganization(WTO)princip1esintheTechnica1BarrierstoTrade(TBT),seewww.iso.org/iso/foreword.htm1.ThisdocumentwaspreparedbyTechnica1Committee1

12、SOTC238,So1idbiofue1s.Thissecondeditioncance1sandrep1acesthefirstedition(ISO17225-7:2014),whichhasbeentechnica11yrevised.Themainchangescomparedtothepreviouseditionareasfo11ows: FigUre1changed Arsenicva1uechangedinC1assB一C1assAissp1itintotwoc1asses,A1andA2A1istofa11partsintheISO17225seriescanbefoundo

13、ntheISOwebsite.Anyfeedbackorquestionsonthisdocumentshou1dbedirectedtotheuser,snationa1standardsbody.Acomp1ete1istingofthesebodiescanbefoundatWWW.iso.org/members.htm1.IntroductionTheobjectiveoftheISO17225seriesistoprovideunambiguousandc1earc1assificationprincip1esforso1idbiofue1s;toserveasatoo1toenab

14、1eefficienttradingofbiofue1s;toenab1egoodunderstandingbetweense11erandbuyeraswe11asatoo1forcommunicationwithequipmentmanufacturers.Itwi11a1sofaci1itateauthoritypermissionproceduresandreporting.ThispartofISO17225supportstheuseofgradednon-woodybriquettesforresidentia1,sma11commercia1andpub1icbui1dinga

15、pp1icationsandindustria1use.Theresidentia1,sma11commercia1andpub1icbui1dingapp1icationsrequirehigherqua1ityfue1forthefo11owingreasons: Sma11-sca1eequipmentdoesnotusua11yhaveadvancedcontro1sandf1uegasc1eaning App1iancesarenotgenera11ymanagedbyprofessiona1heatingengineers App1iancesareoften1ocatedinre

16、sidentia1andpopu1ateddistrictsNon-woodybriquetteshavehighash,ch1orine(C1),nitrogen(N),su1fur(S)andmajore1ementcontents,sonon-woodybriquettesarerecommendedtobeusedinapp1iances,whicharespecia11ydesignedoradjustedforthiskindOfbriquettes.Ingenera1non-woodybiomassmateria1shavehighercontentofashforminge1ementsandproducesasheswith1owerme1tingtemperaturecomparedtomo