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1、StudyonPredictingCoalSpontaneousCombustionandSoftwareDevelopmentLIUAihua,CAIKangxu&CHAIHongbao(SchoolofResourceandSafeEngineering,HunanUniversityofScienceandTechnology,Xiangtan411201,Hunan,China)Abstract:Basedonthemeasurementex
2、^erimentofoxidationgasproductsinthepr
3、ocessoftem
4、^erature-up,thispaperhasresearchedcarefullythechangecurveswhichshowoxidationgasproductsofthecoalsamplesofYongzicoalofQingshanminechangewithcoaltemperature.Accordingtotheactualconditionofmine,theinitialvaluekisledinto,thatistherateoftheseriessumsofcarbonm
5、onoxideandcarbondioxideintheprocessoftcmpcraturc-upwiththeinitialvalueofcarbondioxide,itraisesthequalityandsensitivityofforecastcurveofsigngasandauxiliaryindex,anddeterminestheforecastcurveandthecoiTcspondingfittingcurveofthesigngasforpredictingcoalspontaneouscombu
6、stionofYongzicoalofQingshanmine,andthecorrespondingsoftwaresystemisworkedoutbyusingtheVisualBasiclanguage.Thenafull-automaticsystemforpredictingcoalspontaneouscombustionismadeupwhichismadeof什】esoftwaresystem,thebundlepipesinspectionsystem,andgaschromatograph.Itcanc
7、arryoutcontinuousmonitoringforthecoaltemperatureofmine・Soitalsoraisestheaccuracyandopcratingnessofpredictandforecastofcoalspontaneouscombustion.Keywords:coalspontaneouscombustion;forecast;signgas;initialize;softwaredevelopment1IntroductionTheminefirescausedbycoalsp
8、ontaneouscombustionthreatsseriouslytothesafetyofcoalindustry.Topreventthiskindoffireoccurring,peoplepaymoreandmoreattentiontotheforecastfunctionofsigngasofcoalspontaneouscombustionThesigngasofcoalspontaneouscombustionisacertainkindofgaswhichcanforecastandreilectthe
9、stateofcoalspontaneouscombustion,andthequantityofthiskindofgaschangesregularlywithcoalwarmingup
10、3,4LThesigngashaspositivemeaningforforecastingthestateofcoalspontaneouscombustionandtheearlypreventionoffire.Ithaslongbeenadoptedbythecountriesofminingcoal.Becauseofthes
11、electionofsigngasandthedetectiontechnicalproblem,butitcannotoftenplaythenormalroleofsigngas11,5,61.Tlicmajordetectionmethodsofthesigngasofcoalspo
