粒級與煤視相對密度測值準(zhǔn)確性關(guān)系研究

1、粒級與煤視相對密度測值準(zhǔn)確性關(guān)系研究1,?X>t?>2,?X?t1,?1,?1,?U1(1?b?,?710054;2?S?E>?W?,?710065)?:-S?,?4?5?GB/T69491998?,?l?/?5?-g?d?10mm13mm?-S6mm10mm?+?x?X,?x?B,2?x?d?!?2?,?d6mm10mm?-?5?-g?10mm13mm?+?x?X,?I?:?;?;?d?0?-g?0?:TQ5339?I?5?1:B?Q?:10077677(2010)03001502Analysisontherelationshipofsizefractiontoappare

2、ntrelativedensityofcoalLONGYaping1,TIANWeipeng2,TIANXinjuan1,WANGJieling1,XIAOWenzhao1,XUEQin1(1.XianResearchInstitute,ChinaCoalResearchInstitute,Xian710054,China;2.NationalCoalQualitySuperviseandInspectionCenter,Xian710065,China)Abstract:Inordertostudytheinfluenceofsizefractiontoapparentrelativeden

3、sity,testofapparentrelativedensitywascarriedoutbyreducingsizefractionarrangeof10mm13mmcombinedwithnationalstandardGB/T69491998.Theresultsindicatedthatthesizefractionof6mm10mmcouldreplace10mm13mmtotestapparentrelativedensityinallowingrangeoferror.Keywords:sizefraction;apparentrelativedensity;coalqual

4、ityanalysis?W?5?(?7?)?d?-B?:?L?-)?:>?U?d?-x?,?W?S?0?v?5?5,?d-?X?M?X1?L?d-g?=?)?Z?-?-g?=1X,?x?,?%?5?d?e?X,?d?-?e?;?|,?x?F?dGB/T69491998?x?!,>V?d?5?+?)-g,?;?x?v-?Q?=-?t?,?0?W?-?v?,?Q?10mm13mm?9X,?-G?:?d?)?l?/?+?-?0?X,?d6mm10mm?x?-B?5?-g?10mm13mm?x?q?v?,X,?v-m?v?X?Z?M?(ZX5);?b?(XYQN)X,1?011-b?-?-

5、B?Z?0?L?:?v?200g,?t?01mg;?:?:GB/T6949-g?;?/?7;?a:?d3mmr?3mm?.?T;?U?L?:(0100)#,?0?05#;?E?:(500600)W;>n?d?e:?(5060)#;?!-?(?Q?)X,12?.?5?x?d?-S?-G?X1?G?1/3?c?X1?N?c?x?X,?0?-z?w?;?5?GB4742008?.?5?!?+?U?X1?0X1?4X1?L?0X1?=,?0?.?T?-S10mm13mmX16mm10mm?/-?02mm?0?X,?;?5?GB/T2122008?-l?0?!?GB/T2142007?-g?x?!

6、?+?d?0?X,?dGB/T69491998?x?!?0?N?3?6?+?0?x?X,5?Y3?t?d?W2010?5?4:200800402009A00110mm1mmmm10mm2212?21-G?:?d?)?d?0?;?5?+?-g?-l?0?x?,?(?d?0?1X,22-G?:?d?)?-G?:?0?dGB/T69491998?x?!?5?,?-G?:?d?)?d10mm13mm?6mm10mm?-?-),?+-?x?,?2X,?1?d?0?Q?X?NMad/%Ad/%Vdaf/%St,d/%Shi001?-G?3489773161089Shi002?G?1/3?c?1001152

7、3659298Shi004?c?11812351743065Shi005?x?4601765705146?2-G?:?-?-)?x?-G?1/3?c?c?1013mm?610mm?1013mm?610mm?1013mm?610mm?1013mm?610mm1134134138138137139152156213413413913814013715715131351341371411371361531504135134140140138137155153513613513713713713815015161371351371391391371521547137135140139139139155

8、154813713613913913714015515291371361431371441361611521013713613714013913915015011137136138142140140155155?F?w136135139139139138154153?5?>?S0021001400190016002100150032002023?-S-?d2?-G?:?,?x?W?c?;?q?v?,?d-f?b>?-?F?+-?X,-?10mm13mm?6mm10mm?-S>?X,H0:21=22S12=00322=0001024f1=10S22=00202=00004000

9、f1=10F=S12/S22=256=005F005,10,10=298F<F005,10,10?F?,?d95%?>?-6?-S?2?x?;?:?,-?7?q?v?,X,?d?:?,?-G?X11/3?c?c?d?3?6?,?x?+-?,?F?w?3X,?F<F5,?-?-G?:?Q?)?d?10mm13mm?6mm10mm?,?x?F?q?v?,X,24?-S-?d2?-G?:?,-f-O?F?w-x?W?c?d?q?v?,?-f?7?,?W?c?j?3?,?+t?,-?10mm13mm?6mm10mm?-S>?,?d?2?x?F?w-x?q?v?,X,n1=11,

10、x1=154,S1=0032n2=11,x2=153,S2=0020S?4=f1S12+f2S22f1+f2=0027t?4=|x1-x2|S?4n1n2n1+n2=087?0?t?w-Bt?0?2?-g?-U?+?w5,=?+?,<5,?-Sx-Bx?q?v?,?-f?-x?-G?d?X,(-)?Y?)6?Y3?t?d?W2010?5?410mm1mmmm10mm0010104t0020209tt002012191t=|d|SdnSd=r2ni=1(di-d)2n-1?/-gd?r?w?F?w;Sd?5?>?;n?x?e?X,(2)?,?2X,?2?/(4)?/(1)?/(2)?

11、/(3)t184487099341(3)?C?a=005?t?,?j?v=n-1=30,t0975(30)=2042X,(4)>?-?-6?,?/(4)X1?/(2)-g?t?F?/-?t0975(30),?0?w-B?x?d95%?>?S?q?v?,?d?>?-g?/(4)X1?/(2)?0?w?-?-?x?w?X,(5)?/(3)X1?/(1)-g?t>t0975(30),?0?w-B?x?;?q?v?,X,?0?/(3)X1?/(1)?0?r?w-?>->|?,?>->|?(?.?X?)?w-B?x?r?w?>->|?(?.?X

12、?)?w?,?3X,?3>->|?(?.?X?)?r?0?w-B?x?w?/?/(3)?/(1)>->|?(?.?X?)?r?0?w-B?x?w?/J%g-192100?/(3)X1?/(1)?0?w-B?x?.?;?q?v?,>V?d?.?X?>->|?(?0?w)-B(?x?w)?-g,?F?/-?x?5?G?v?120J/g1,?d?-?-?>?-g,?;-?2-?wX,?2?I:1ISO19282009,Solidmineralfuelsdeterminationofgrosscalorificvaluebythebombcalorime

13、tricmethodandcalculationofnetcalorificvalueS.2?-?-?d?0?d?W?5?M?A-?:-g?5?H?q,19993?6?d?W?5?M?A-?:-g?5?H?q,2003>?7?-?:?(1981),?,?-s?-?,?0?)?4,?d?-s?W-g?-?-?c?>?X,(?.?t:20100319)(-6?Y16?)?d?:?,?-G?X11/3?c?c?d?10mm13mm?6mm10mm?,?+-?t?,?t?w?3X,?t<t005,20,?-?4?-G?:?Q?)?d?10mm13mm?6mm10mm?,?F?w?F?q?v?,X,?3-G?:?Q?)?X1-G?:?x?t?w?F?w?/mmF?wt?w-G?1013?6102251311/3?c?1013?610141000?c?1013?610196129?1013?610256087?l?-6?-G?:?Q?)?d10mm13mm?6?x?w?,?x?F?q?v?,X,3?0?N?d-?2?x?,?Y-?X,?2?X?x?)-g-?v?,?-S?-?d6mm10mm?-?10mm13mm?+?x?,?-x-?W6mm10mm?l,-?:?-?v,-?-?/-=-