煤自燃傾向性的氧化動力學(xué)測試方法研究

煤自燃傾向性的氧化動力學(xué)測試方法研究一、本文概述Overviewofthisarticle煤自燃傾向性的氧化動力學(xué)測試方法研究是一個涉及煤炭工業(yè)安全生產(chǎn)和環(huán)境保護的重要課題。煤自燃是指煤炭在特定環(huán)境條件下，由于內(nèi)部氧化反應(yīng)產(chǎn)生的熱量無法及時散發(fā)，導(dǎo)致煤炭溫度逐漸升高并最終引發(fā)自燃的現(xiàn)象。這一現(xiàn)象不僅會導(dǎo)致煤炭資源的浪費，還可能引發(fā)火災(zāi)事故，對人員安全和企業(yè)生產(chǎn)造成嚴重影響。因此，研究煤自燃傾向性的氧化動力學(xué)測試方法，對于預(yù)防煤炭自燃、提高煤炭資源利用效率和保障工業(yè)生產(chǎn)安全具有重要意義。Thestudyoftheoxidationkineticstestingmethodforcoalspontaneouscombustiontendencyisanimportantissuerelatedtothesafetyproductionandenvironmentalprotectionofthecoalindustry.Coalspontaneouscombustionreferstothephenomenonwheretheheatgeneratedbyinternaloxidationreactionsofcoalcannotbedissipatedinatimelymannerunderspecificenvironmentalconditions,leadingtoagradualincreaseincoaltemperatureandultimatelytriggeringspontaneouscombustion.Thisphenomenonnotonlyleadstothewasteofcoalresources,butalsomaycausefireaccidents,seriouslyaffectingpersonnelsafetyandenterpriseproduction.Therefore,studyingtheoxidationkineticstestingmethodofcoalspontaneouscombustiontendencyisofgreatsignificanceforpreventingcoalspontaneouscombustion,improvingcoalresourceutilizationefficiency,andensuringindustrialproductionsafety.本文旨在探討煤自燃傾向性的氧化動力學(xué)測試方法，通過對現(xiàn)有測試方法的分析和評價，提出一種更為準確、可靠的測試方法。文章首先介紹了煤自燃的基本概念和研究背景，闡述了煤自燃傾向性測試的重要性。隨后，文章綜述了國內(nèi)外在煤自燃傾向性測試方法方面的研究現(xiàn)狀和發(fā)展趨勢，指出了現(xiàn)有測試方法存在的問題和不足。在此基礎(chǔ)上，文章提出了一種基于氧化動力學(xué)原理的煤自燃傾向性測試方法，并對其原理、實驗步驟和數(shù)據(jù)分析方法進行了詳細闡述。文章通過實例分析驗證了所提測試方法的有效性和可靠性，為煤炭工業(yè)的安全生產(chǎn)和環(huán)境保護提供了有益的參考。Thisarticleaimstoexploretheoxidationkineticstestingmethodforcoalspontaneouscombustiontendency,andproposeamoreaccurateandreliabletestingmethodbyanalyzingandevaluatingexistingtestingmethods.Thearticlefirstintroducesthebasicconceptandresearchbackgroundofcoalspontaneouscombustion,andelaboratesontheimportanceoftestingthetendencyofcoalspontaneouscombustion.Subsequently,thearticlereviewedtheresearchstatusanddevelopmenttrendsofcoalspontaneouscombustiontendencytestingmethodsbothdomesticallyandinternationally,pointingouttheproblemsandshortcomingsofexistingtestingmethods.Onthisbasis,thearticleproposesacoalspontaneouscombustiontendencytestingmethodbasedontheprincipleofoxidationkinetics,andelaboratesonitsprinciple,experimentalsteps,anddataanalysismethodsindetail.Thearticleverifiestheeffectivenessandreliabilityoftheproposedtestingmethodthroughcaseanalysis,providingusefulreferencesforthesafetyproductionandenvironmentalprotectionofthecoalindustry.二、煤自燃傾向性基礎(chǔ)理論BasicTheoryofCoalSpontaneousCombustionTendency煤自燃傾向性是指煤在特定環(huán)境條件下，由于煤與氧的化學(xué)反應(yīng)導(dǎo)致熱量積累，進而引發(fā)自燃的潛在能力。這一特性受到煤的物理化學(xué)性質(zhì)、環(huán)境因素以及煤的氧化反應(yīng)動力學(xué)特性的共同影響。深入理解煤自燃的基礎(chǔ)理論對于研究和開發(fā)有效的煤自燃預(yù)防技術(shù)至關(guān)重要。Thetendencyofcoalspontaneouscombustionreferstothepotentialabilityofcoaltoaccumulateheatduetothechemicalreactionbetweencoalandoxygenunderspecificenvironmentalconditions,therebytriggeringspontaneouscombustion.Thischaracteristicisinfluencedbythephysicalandchemicalpropertiesofcoal,environmentalfactors,andthekineticcharacteristicsofcoaloxidationreactions.Adeepunderstandingofthefundamentaltheoryofcoalspontaneouscombustioniscrucialfortheresearchanddevelopmentofeffectivecoalspontaneouscombustionpreventiontechnologies.煤自燃的過程可以概括為煤與氧的化學(xué)反應(yīng)過程，其中煤中的可燃成分與空氣中的氧氣發(fā)生氧化反應(yīng)，產(chǎn)生熱量。當(dāng)產(chǎn)生的熱量不能及時散失時，會在煤體內(nèi)部積累，導(dǎo)致煤體溫度升高，進一步加速氧化反應(yīng)，形成惡性循環(huán)。當(dāng)溫度達到煤的著火點時，便會引發(fā)自燃。Theprocessofcoalspontaneouscombustioncanbesummarizedasthechemicalreactionprocessofcoalandoxygen,inwhichthecombustiblecomponentsincoalreactwithoxygenintheairtogenerateheat.Whenthegeneratedheatcannotbedissipatedintime,itwillaccumulateinsidethecoalbody,causingthetemperatureofthecoalbodytorise,furtheracceleratingtheoxidationreaction,andformingaviciouscycle.Whenthetemperaturereachestheignitionpointofcoal,itwilltriggerspontaneouscombustion.煤自燃傾向性基礎(chǔ)理論的核心在于煤的氧化動力學(xué)特性。氧化動力學(xué)研究煤與氧反應(yīng)的速率、反應(yīng)機理以及影響因素。煤的氧化動力學(xué)特性受到煤的化學(xué)組成、物理結(jié)構(gòu)、粒徑大小、水分含量、環(huán)境溫度、氧氣濃度等多種因素的影響。例如，煤中的揮發(fā)分含量越高，煤的氧化活性越強，自燃傾向性也越大。煤的孔隙結(jié)構(gòu)和表面積也會影響煤與氧的接觸面積，從而影響氧化反應(yīng)的速率。Thecoreofthefundamentaltheoryofcoalspontaneouscombustiontendencyliesintheoxidationkineticscharacteristicsofcoal.Oxidationkineticsstudiestherate,reactionmechanism,andinfluencingfactorsofcoaloxygenreaction.Theoxidationkineticsofcoalareinfluencedbyvariousfactorssuchasitschemicalcomposition,physicalstructure,particlesize,moisturecontent,environmentaltemperature,andoxygenconcentration.Forexample,thehigherthevolatilecontentincoal,thestrongertheoxidationactivityofcoal,andthegreaterthetendencyforspontaneouscombustion.Theporestructureandsurfaceareaofcoalalsoaffectthecontactareabetweencoalandoxygen,therebyaffectingtherateofoxidationreaction.為了準確評估煤的自燃傾向性，需要開展煤的氧化動力學(xué)測試。通過測試，可以獲得煤在不同條件下的氧化反應(yīng)速率、反應(yīng)活化能等關(guān)鍵參數(shù)，為煤自燃的預(yù)測和防控提供科學(xué)依據(jù)。通過對比分析不同煤種的氧化動力學(xué)特性，可以為煤炭資源的合理利用和安全生產(chǎn)提供理論支持。Inordertoaccuratelyevaluatethespontaneouscombustiontendencyofcoal,itisnecessarytoconductoxidationkineticstestsofcoal.Throughtesting,keyparameterssuchasoxidationreactionrateandactivationenergyofcoalunderdifferentconditionscanbeobtained,providingscientificbasisforpredictingandpreventingcoalspontaneouscombustion.Bycomparingandanalyzingtheoxidationkineticscharacteristicsofdifferentcoaltypes,theoreticalsupportcanbeprovidedfortherationalutilizationandsafeproductionofcoalresources.煤自燃傾向性基礎(chǔ)理論是研究和預(yù)防煤自燃的重要基礎(chǔ)。通過深入研究煤的氧化動力學(xué)特性，可以更準確地評估煤的自燃傾向性，為煤炭行業(yè)的安全生產(chǎn)和可持續(xù)發(fā)展提供有力保障。Thebasictheoryofcoalspontaneouscombustiontendencyisanimportantfoundationforstudyingandpreventingcoalspontaneouscombustion.Byconductingin-depthresearchontheoxidationkineticsofcoal,thetendencyofcoaltoselfignitecanbemoreaccuratelyevaluated,providingstrongguaranteesforthesafeproductionandsustainabledevelopmentofthecoalindustry.三、氧化動力學(xué)測試方法原理Principlesofoxidationkineticstestingmethods氧化動力學(xué)測試方法是一種通過測定煤樣在特定條件下的氧化反應(yīng)速率，來評估煤自燃傾向性的有效手段。該方法基于煤的氧化自熱原理，即煤在氧化過程中會放出熱量，當(dāng)熱量積累到一定程度時，煤體溫度會升高，進而可能引發(fā)自燃。通過監(jiān)測煤樣在氧化過程中的溫度變化，可以間接反映煤的氧化速率，從而判斷其自燃傾向性。Theoxidationkineticstestingmethodisaneffectivemeansofevaluatingthetendencyofcoalspontaneouscombustionbymeasuringtheoxidationreactionrateofcoalsamplesunderspecificconditions.Thismethodisbasedontheprincipleofcoaloxidationselfheating,whichmeansthatcoalreleasesheatduringtheoxidationprocess.Whentheheataccumulatestoacertainextent,thetemperatureofthecoalbodywillincrease,whichmayleadtospontaneouscombustion.Bymonitoringthetemperaturechangesofcoalsamplesduringtheoxidationprocess,theoxidationrateofcoalcanbeindirectlyreflected,therebydeterminingitstendencyforspontaneouscombustion.氧化動力學(xué)測試方法通常采用等溫法或非等溫法進行測試。等溫法是在恒定溫度下，通過測量煤樣氧化放出的熱量隨時間的變化來推算氧化速率；非等溫法則是通過改變測試溫度，觀察煤樣在不同溫度下的氧化反應(yīng)情況，以獲得更全面的氧化動力學(xué)信息。Theoxidationkineticstestingmethodusuallyusesisothermalornonisothermalmethodsfortesting.Theisothermalmethodcalculatestheoxidationratebymeasuringthechangeinheatreleasedfromcoalsampleoxidationovertimeataconstanttemperature;Thenonisothermalruleistoobservetheoxidationreactionofcoalsamplesatdifferenttemperaturesbychangingthetestingtemperature,inordertoobtainmorecomprehensiveoxidationkineticsinformation.在實際操作中，首先需要對煤樣進行預(yù)處理，如破碎、篩分等，以獲得符合測試要求的煤樣。然后，將煤樣置于測試裝置中，通入氧氣或空氣作為氧化劑，并設(shè)定好測試溫度和時間。測試過程中，通過傳感器實時監(jiān)測煤樣溫度的變化，并記錄相關(guān)數(shù)據(jù)。根據(jù)收集到的數(shù)據(jù)，運用動力學(xué)模型進行計算，得出煤樣的氧化速率等參數(shù)，從而評估其自燃傾向性。Inpracticaloperation,thefirststepistopreprocessthecoalsample,suchascrushing,screening,etc.,inordertoobtainacoalsamplethatmeetsthetestingrequirements.Then,placethecoalsampleinthetestingdevice,introduceoxygenorairasanoxidant,andsetthetestingtemperatureandtime.Duringthetestingprocess,real-timemonitoringofcoalsampletemperaturechangesiscarriedoutthroughsensors,andrelevantdataisrecorded.Basedonthecollecteddata,akineticmodelisusedtocalculatetheoxidationrateandotherparametersofthecoalsample,inordertoevaluateitstendencytowardsspontaneouscombustion.氧化動力學(xué)測試方法具有操作簡便、結(jié)果直觀等優(yōu)點，因此在煤自燃傾向性評估中得到了廣泛應(yīng)用。然而，該方法也受到一些限制，如測試條件與實際礦井環(huán)境存在差異、煤樣制備過程中可能引入誤差等。因此，在實際應(yīng)用中，需要綜合考慮各種因素，以提高測試結(jié)果的準確性和可靠性。Theoxidationkineticstestingmethodhastheadvantagesofsimpleoperationandintuitiveresults,soithasbeenwidelyusedintheevaluationofcoalspontaneouscombustiontendency.However,thismethodisalsosubjecttosomelimitations,suchasdifferencesbetweentestingconditionsandactualmineenvironments,andthepossibilityofintroducingerrorsduringcoalsamplepreparation.Therefore,inpracticalapplications,itisnecessarytocomprehensivelyconsidervariousfactorstoimprovetheaccuracyandreliabilityoftestresults.四、煤自燃傾向性的氧化動力學(xué)測試方法Testmethodforoxidationkineticsofcoalspontaneouscombustiontendency煤自燃傾向性的氧化動力學(xué)測試方法是一種用于評估煤自燃風(fēng)險的關(guān)鍵技術(shù)。該方法基于煤在特定條件下的氧化反應(yīng)動力學(xué)特性，通過分析煤的氧化過程，揭示煤自燃的內(nèi)在機制。Theoxidationkineticstestingmethodforcoalspontaneouscombustiontendencyisakeytechnologyusedtoevaluatetheriskofcoalspontaneouscombustion.Thismethodisbasedontheoxidationreactionkineticsofcoalunderspecificconditions,andrevealstheinherentmechanismofcoalspontaneouscombustionbyanalyzingtheoxidationprocessofcoal.測試方法的核心在于煤樣在恒溫條件下的氧化實驗。在實驗中，煤樣被置于恒溫環(huán)境中，并持續(xù)供應(yīng)氧氣，以模擬煤在自然環(huán)境下的氧化過程。通過實時監(jiān)測煤樣在氧化過程中的質(zhì)量變化、溫度變化和氣體產(chǎn)物生成情況，可以獲得煤樣氧化的動力學(xué)數(shù)據(jù)。Thecoreofthetestingmethodliesintheoxidationexperimentofcoalsamplesunderconstanttemperatureconditions.Intheexperiment,coalsampleswereplacedinaconstanttemperatureenvironmentandoxygenwascontinuouslysuppliedtosimulatetheoxidationprocessofcoalinthenaturalenvironment.Bymonitoringthequalitychanges,temperaturechanges,andgasproductgenerationofcoalsamplesinreal-timeduringtheoxidationprocess,kineticdataofcoalsampleoxidationcanbeobtained.通過對動力學(xué)數(shù)據(jù)的分析，可以計算出煤的氧化速率常數(shù)、活化能等關(guān)鍵參數(shù)。這些參數(shù)反映了煤在氧化過程中的反應(yīng)速率和難易程度，是評估煤自燃傾向性的重要依據(jù)。Byanalyzingthekineticdata,keyparameterssuchastheoxidationrateconstantandactivationenergyofcoalcanbecalculated.Theseparametersreflectthereactionrateanddifficultyofcoaloxidationprocess,andareimportantbasisforevaluatingthetendencyofcoalspontaneouscombustion.為了更全面地評估煤自燃傾向性，還需要結(jié)合煤的物理化學(xué)性質(zhì)、環(huán)境因素等進行綜合分析。例如，煤的含水量、灰分含量、揮發(fā)分含量等物理化學(xué)性質(zhì)，以及溫度、濕度、氧氣濃度等環(huán)境因素，都會對煤的氧化過程產(chǎn)生影響，進而影響煤自燃的風(fēng)險。Inordertocomprehensivelyevaluatethetendencyofcoalspontaneouscombustion,itisnecessarytoconductacomprehensiveanalysisbasedonthephysicalandchemicalpropertiesofcoal,environmentalfactors,etc.Forexample,thephysicalandchemicalpropertiesofcoal,suchaswatercontent,ashcontent,volatilemattercontent,aswellasenvironmentalfactorssuchastemperature,humidity,andoxygenconcentration,canallaffecttheoxidationprocessofcoal,therebyaffectingtheriskofcoalspontaneouscombustion.煤自燃傾向性的氧化動力學(xué)測試方法是一種系統(tǒng)、全面的評估技術(shù)。通過該方法，可以深入了解煤的氧化過程和自燃機制，為預(yù)防和控制煤自燃提供科學(xué)依據(jù)。該方法也為煤炭行業(yè)的安全生產(chǎn)和環(huán)境保護提供了重要支持。Theoxidationkineticstestingmethodforcoalspontaneouscombustiontendencyisasystematicandcomprehensiveevaluationtechnique.Throughthismethod,wecangainadeeperunderstandingoftheoxidationprocessandspontaneouscombustionmechanismofcoal,providingscientificbasisforpreventingandcontrollingcoalspontaneouscombustion.Thismethodalsoprovidesimportantsupportforthesafetyproductionandenvironmentalprotectionofthecoalindustry.五、實驗結(jié)果與討論ExperimentalResultsandDiscussion本研究采用了一系列氧化動力學(xué)測試方法，對煤自燃傾向性進行了深入研究。通過對不同煤樣進行等溫氧化實驗，我們獲得了煤樣在恒溫條件下的氧化失重曲線，進一步分析了煤自燃傾向性與其氧化動力學(xué)參數(shù)之間的關(guān)系。Thisstudyemployedaseriesofoxidationkineticstestingmethodstoconductin-depthresearchonthetendencyofcoalspontaneouscombustion.Byconductingisothermaloxidationexperimentsondifferentcoalsamples,weobtainedtheoxidationweightlosscurvesofcoalsamplesunderconstanttemperatureconditions,andfurtheranalyzedtherelationshipbetweencoalspontaneouscombustiontendencyanditsoxidationkineticsparameters.實驗結(jié)果表明，煤自燃傾向性與其氧化動力學(xué)參數(shù)密切相關(guān)。在相同實驗條件下，自燃傾向性較高的煤樣在恒溫氧化過程中表現(xiàn)出較快的失重速率和較短的誘導(dǎo)期。我們還發(fā)現(xiàn)煤樣中的揮發(fā)分含量、灰分含量以及煤的顯微組分等因素也會對煤自燃傾向性產(chǎn)生影響。Theexperimentalresultsindicatethatthetendencyofcoalspontaneouscombustioniscloselyrelatedtoitsoxidationkineticsparameters.Underthesameexperimentalconditions,coalsampleswithahighertendencyforspontaneouscombustionexhibitafasterweightlossrateandshorterinductionperiodduringconstanttemperatureoxidation.Wealsofoundthatfactorssuchasvolatilemattercontent,ashcontent,andcoalmaceralsincoalsamplescanalsoaffectthetendencyofcoalspontaneouscombustion.為了更深入地探討煤自燃機理，本研究還采用了熱分析技術(shù)，如熱重分析（TGA）和差熱分析（DSC），對煤樣在氧化過程中的熱效應(yīng)進行了定量分析。通過對比不同煤樣的熱分析曲線，我們發(fā)現(xiàn)自燃傾向性較高的煤樣在氧化過程中放出的熱量較多，且放熱速率較快。Inordertofurtherexplorethemechanismofcoalspontaneouscombustion,thisstudyalsousedthermalanalysistechniquessuchasthermogravimetricanalysis(TGA)anddifferentialthermalanalysis(DSC)toquantitativelyanalyzethethermaleffectofcoalsamplesduringtheoxidationprocess.Bycomparingthethermalanalysiscurvesofdifferentcoalsamples,wefoundthatcoalsampleswithahighertendencyforspontaneouscombustionreleasemoreheatduringtheoxidationprocess,andtheheatreleaserateisfaster.在討論部分，我們對實驗結(jié)果進行了深入分析。我們認為，煤自燃傾向性的差異主要源于煤中有機質(zhì)的化學(xué)結(jié)構(gòu)和性質(zhì)。自燃傾向性較高的煤樣往往含有較多的活性官能團和易氧化組分，這些組分在氧化過程中易于與氧氣發(fā)生反應(yīng)，從而加速煤的氧化進程。煤中的礦物質(zhì)雜質(zhì)和顯微組分也可能對煤自燃傾向性產(chǎn)生影響，例如，某些礦物質(zhì)雜質(zhì)可能催化煤的氧化反應(yīng)，而某些顯微組分則可能阻礙氧氣的擴散和煤的氧化。Inthediscussionsection,weconductedanin-depthanalysisoftheexperimentalresults.Webelievethatthedifferenceincoalspontaneouscombustiontendencyismainlyduetothechemicalstructureandpropertiesoforganicmatterincoal.Coalsampleswithahightendencyforspontaneouscombustionoftencontainmoreactivefunctionalgroupsandeasilyoxidizablecomponents,whicharepronetoreactwithoxygenduringtheoxidationprocess,therebyacceleratingtheoxidationprocessofcoal.Themineralimpuritiesandmicroscopiccomponentsincoalmayalsohaveanimpactonthetendencyofcoaltoselfignite.Forexample,certainmineralimpuritiesmaycatalyzetheoxidationreactionofcoal,whilecertainmicroscopiccomponentsmayhinderthediffusionofoxygenandtheoxidationofcoal.通過氧化動力學(xué)測試方法和熱分析技術(shù)的研究，我們深入探討了煤自燃傾向性的影響因素和機理。這些研究結(jié)果對于預(yù)防和控制煤自燃具有重要的理論和實踐意義。未來，我們將繼續(xù)優(yōu)化測試方法，以進一步提高煤自燃傾向性評價的準確性和可靠性。我們還將深入研究煤自燃過程中的物理化學(xué)變化，為開發(fā)新型煤自燃防控技術(shù)提供科學(xué)依據(jù)。Throughthestudyofoxidationkineticstestingmethodsandthermalanalysistechniques,wehavedelvedintotheinfluencingfactorsandmechanismsofcoalspontaneouscombustiontendency.Theseresearchresultshaveimportanttheoreticalandpracticalsignificanceforpreventingandcontrollingcoalspontaneouscombustion.Inthefuture,wewillcontinuetooptimizetestingmethodstofurtherimprovetheaccuracyandreliabilityofcoalspontaneouscombustiontendencyevaluation.Wewillalsoconductin-depthresearchonthephysicalandchemicalchangesduringcoalspontaneouscombustion,providingscientificbasisforthedevelopmentofnewcoalspontaneouscombustionpreventionandcontroltechnologies.六、結(jié)論與展望ConclusionandOutlook本研究針對煤自燃傾向性的氧化動力學(xué)測試方法進行了深入研究，通過實驗設(shè)計與數(shù)據(jù)分析，得出了一系列有價值的結(jié)論。通過對不同煤樣的氧化動力學(xué)特性進行分析，我們發(fā)現(xiàn)煤的自燃傾向性與其氧化動力學(xué)參數(shù)之間存在明顯的相關(guān)性。這一發(fā)現(xiàn)為煤自燃的早期預(yù)警和防控提供了理論依據(jù)。本研究提出的氧化動力學(xué)測試方法具有較高的準確性和可靠性，為煤自燃傾向性的評估提供了新的手段。該方法不僅適用于實驗室研究，還具有在實際工程應(yīng)用中推廣的潛力。Thisstudyconductedin-depthresearchontheoxidationkineticstestingmethodforcoalspontaneouscombustiontendency,andobtainedaseriesofvaluableconclusionsthroughexperimentaldesignanddataanalysis.Byanalyzingtheoxidationkineticscharacteristicsofdifferentcoalsamples,wefoundaclearcorrelationbetweenthespontaneouscombustiontendencyofcoalanditsoxidationkineticsparameters.Thisdiscoveryprovidesatheoreticalbasisforearlywarningandpreventionofcoalspontaneouscombustion.Theoxidationkineticstestingmethodproposedinthisstudyhashighaccuracyandreliability,providinganewmeansforevaluatingthetendencyofcoalspontaneouscombustion.Thismethodisnotonlysuitableforlaboratoryresearch,butalsohasthepotentialtobepromotedinpracticalengineeringapplications.然而，本研究仍存在一定局限性。例如，實驗中所用的煤樣種類有限，可能無法涵蓋所有類型的煤。未來研究可以進一步拓展煤樣種類，以提高測試方法的普遍適用性。本研究主要關(guān)注了煤自燃傾向性的氧化動力學(xué)測試方法，但煤自燃是一個復(fù)雜的過程，涉及多種因素相互作用。因此，未來研究還可以綜合考慮其他因素，如煤的化學(xué)成分、物理結(jié)構(gòu)、環(huán)境溫度等，以更全面地評估煤自燃傾向性。However,thisstudystillhascertainlimitations.Forexample,thetypesofcoalsamplesusedintheexperimentarelimitedandmaynotcoveralltypesofcoal.Futureresearchcanfurtherexpandthetypesofcoalsamplestoimprovetheuniversalapplicabilityoftestingmethods.Thisstudymainlyfocusesontheoxidationkineticstestingmethodofcoalspontaneouscombustiontendency,butcoalspontaneouscombustionisacomplexprocessinvolvingtheinteractionofmultiplefactors.Therefore,futureresearchcanalsocomprehensivelyconsiderotherfactors,suchasthechemicalcomposit