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热力发电 2013

fuzzymatterelementmodelbasedrunningstateevaluationformedium？speedcoalpulverizers

, PP. 24-27

lishaohua,wanglei,zhangwang

Keywords: rpmedium？speedcoalpulverizer,stateevaluation,fuzzymatterelement,euclidapproachdegree

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Abstract:

bytakingarpmedium？speedcoalpulverizerastheresearchobject,thestatusevaluationmodelformedium？speedcoalpulverizerswasestablished.accordingtorunningstateoftherpmedium？speedpulverizer,suchfactorsasthecoalfineness,thepulverizercapacityandcurrent,andtheseparatoroutlettemperaturewereregardedastheevaluationindices.thefuzzymatterelementtheoryandtheeuclidapproachdegreeprinciplewereappliedtoconstructtheeuclidapproachdegreecompositefuzzymatterelement.thenthefuzzymatterelementmodelforoperationstatusevaluationofcoalpulverizerswasestablished.theanalytichierarchyprocess(ahp)methodwasemployedtodeterminetheweightcoefficientofeachevaluationindex,andtoevaluaterunningstateofthecoalpulverizerquantitativelyandqualitatively.thenewmodelwasverifiedontherp903xmedium？speedcoalpulverizerfora300mwunitboilerandtheresultsshowedthat,thismodelcanmakeareasonableevaluationforrunningstateoftherpmedium？speedcoalpulverizerrapidlyandeffectively,whichenhancedthesafetyandstabilityoftheunitoperation.

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