摘要:
掌握甲烷与二氧化碳混合气体的爆燃特性对高含二氧化碳天然气的勘探、开发和利用具有安全保
障作用,对涉及甲烷和二氧化碳的其他工业过程如煤炭气化、惰化、抑爆、泄爆等应急处置和安防设计具有指
导价值。为推动相关学科的进步,分类回顾了甲烷与二氧化碳混合气体爆燃特性的实验和理论研究进展,涉
及爆燃范围、爆燃压强、惰化等爆燃特性的实验研究以及爆燃范围领域的理论研究,系统分析和评价了各个研
究领域取得的成果、存在的问题,并从提高实验数据的完整性、可比性和适用面,理论预测方法可靠性的评价
方法与指标,理论预测方法的适用面从常温常压条件向更复杂的情形扩展3个方面展望了未来的研究重点。
关键词:
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爆炸力学 /
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爆燃特性 /
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甲烷 /
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二氧化碳 /
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应急 /
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进展
Abstract:
Itisasafetyguaranteeforexploration,developmentandutilizationofnaturalgascontaining
highcarbondioxidecomponenttograsptheexplosioncharacteristicsofmethaneandcarbondioxide
gasmixtures.Meanwhile,itisvaluableguidancefortheindustrialprocessesinvolvingmethaneand
carbondioxidesuchascoalgasification,inertization,explosionsuppressionandexplosionventing,to
masterrelatedexplosioncharacteristics.Inordertopromoteprogressofrelevantsubject,experimentalandtheoreticalinvestigationonexplosioncharacteristicsofmethaneandcarbondioxidegasmixtureisreviewedsystematicallyi
thispaper,includingtheexperimentsrelatedtoflammabilityregion,
explosionpressureandinertizationandtheoreticalpredictionofflammabilitylimits.Progress
andproblemsthatneedtobesolvedineveryfieldareanalyzed.Finally,thefuturehighlightsinthe
followingthreeaspectsareexpected:firstly,howtoimprovetheintegrality,comparabilityandapplicabilityofexperimentaldata;
secondly,themethodsandindexesofreliabilityassessmentfortheoreticalprediction;
furthermore,howtoextendapplicabilityoftheoreticalpredictionfromatnormaltemperatureandpressureconditionstomorecomplexsituations.
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