煤的著火特性及動力學(xué)研究

1、武漢理工大學(xué)碩士學(xué)位論文煤的著火特性及動力學(xué)研究姓名：夏福明申請學(xué)位級別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：謝峻林20050601武漢理工大學(xué)碩士學(xué)位論文ABSTRACTWiththereductionofhigh—qualityresourcedaybyday，low—qualityfuelwillgraduallybeutilizedincementindustryConfinedtoproductiontechnologicallevel

2、ofpresentcement，therangeofcoaladaptedisrelativelynarrowThelargeandmediumsizedcemententerprisesinourcountrygenerallyusehigh—qualitybituminouscoalandlowqualitycoalcannotbeenusedInordertowidenselectiverangeofcoalsincementki

3、ln，inthisthesis，theresearchofignitioncharacteristics，kineticsandmicrostructuretodifferentqualitycoaliscarried0n，whichofferthefoundationtheoreticalforthelowqualitycoalusedinNewDryProcesskilncraRCoalignitiontemperaturemeas

4、urementmethodbyhomemadecoalcombustioncomprehensivemeasurementinstrumentwasstudiedSomemaininfluencefactorswerediscussedsuchastemperaturespeed，preparingtestsampleetcTheresearchshowthatignitiontemperatureofsteadyandreproduc

5、ibleisattainedat10C／minandpoletestsampleKineticparametersofdifferentqualitycoalincementcalcinerwerestudiedKineticparametersoftwelvecoalswereattainedTheresearchshowthatfromanthracite，leancoaltobituminous，reactionratebecom

6、emoreandmorelargeandignitionactivationenergybecomemoreandmoresmall；ignitionactivationenergyfallsandreactionrateincreasesasthevolatilecontentincreases；Withthecarboncontentofdryash—freebasisincreasing，ignitionactivationene

7、rgyincreasesandreactionratefallsTherelationshipofcarbonmicrostructureandignitioncharacter，kineticparametersofcoalbyX—raydiffractionwasanalysiedTheresearchshowthatthecontentofdisorderedcarbonisagoodindexofthereactivityofc

8、oalandcoalchar，correlateswithignitioncharactersverywellIgnitioncharactersofcoalisrefc：rredasthecontentofdisorderedcarbonofcharbeforeignitionWiththecontentofdisorderedcarbondeclining，thereactivityfall，ignitiontemperaturea