刚果（金）某锂辉石精矿的粉煤转型焙烧研究

打开文本图片集

中图分类号：TF826.3 文献标志码：A 文章编号：1004-4345（2025）06-0026-05

AbstractThisstudyaddresses thechallengesofhighcostsassciatedwithexternallysourcedcoalandtheporqualityoflocal coalforspodumeneconversionroasting inaremoteminingareaof theDRC.Byanalyzingthecompositionalcharacteristicsofcoal fromthesurroundingminingaeaandneighboringcountres，blendedcoalutilzationshemewasproposed，mixinglocalowquality coal withhigh-qualitycoalfrom Zimbabwe/Zambiaata1：1ratio，complementedbytheimplementationofoxygen-enrichedprimaryir combustiontechnology.Theresultsindicatethattheblendedcoalachievesalowerheatingvalueof21.8OMJ/kg，mtingthe requirementsofteroastingprocsswithanestimatedanualfuelcostsavingofapproximatelyUSD5.6mlli.Teoxygeniched primaryairschemeefectivelymitigatesignitiondificultiescausedbythelowvolatilematercontenofteblendedcoal.Furthre， compared toafull-windoxygen enrichmentscheme，itrequireslower investment，making itmore suitableforlocalconditions.

Keywordsspodumeneconcentrate;conversionroasting;pulverizedcoalcombustion;coal blending scheme；oxygen-enriched combustion

在国家新能源汽车政策的持续推动下，我国新能源汽车产量显著增长，从2009年的259辆上升至2023年的980万辆，年复合增长率为 212.32% 。（剩余5532字）