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1、750对辊式压密机设计750型对辊式压密机设计摘要型煤加工对于有效地利用粉煤资源和保护环境是十分重要的，在我国的能源构成中，煤炭占有十分重要的地位。据统计，在我国能源生产和消费中，煤炭约占总量的75%左右。但是,随着采煤机械化程度的不断的提高，粉煤在原煤中所占的比例也越来越大。粉煤比例的增加不仅降低了散煤的燃烧效率，而且严重地污染了环境。发展型煤是提高粉煤利用率和减少环境污染的重要途径，研究表明，工业锅炉,窑炉使用型煤后可比烧散煤节煤10%~27%，烟尘排放量可减少50%~60%，添加固硫剂后，二氧化硫的排放量可减少35%~50%。因此，发展型煤对我国具有十分重要的现实意义。本设计为一种
2、用于煤炭成型加工的对辊式压密机，包括有机架，固定辊轴和可动辊轴设置在机架中部，固定辊轴一段设有斜块装置，通过斜块装置可动辊轴能移动一定距离，从而实现了成球形状的大小，固定辊轴的一端是同步外挂齿轮，另一端用联轴器与标准减速器相连。关键词：型煤，型煤加工，煤粉，对辊式压密机Twinrollercompactionmachinedesignof750typeAuthor:WangYanyanTutor:KangHongweiAbstractCoalprocessingfortheeffectiveuseofcoalresourceandenvironmentalprotectionisvery
3、important,Coaloccupyaveryimportantpositioninourenergymix.Accordingtostatistics,China’senergyproductionandconsumption,coalaccountsforabout75%oftotal.However,astheminingmechanizationofacontinuousincreaseincoalpulverizedcoalasaproportionisalsogrowing.Coalproportionoftheincreasenotonlyreducedthecasua
4、lcoalcombustionefficiency,butalsoseriouslypollutedtheenvironment.Developmentofcoalbriquetteistoimproveutilizationandreduceenvironmentalpollutioninimportantways,thestudyshowsthatindustrialboilers,Kilnusebriquetteaftercomparablesavingcoalburningpowder%10~27%,sootemissionscanbereduced50%~60%.Afterth
5、eadditionofsorbent,andsulfurdioxideemissionscanbereduced35%~50%.Therefore,thedevelopmentofChina’scoalofgreatpracticalsignificance.Designedasacoalformingrollercompactionmachineincludingarack,fixedrollersandmovablerollersetthemiddleoftherack,fixedrollersforsomerampsareblockdevicesbyobliqueblockdevi
6、cemovablerollerscanmoveacertaindistance,inordertoachievethesizeoftheshapeintoaballatoneendofthefixedrollersynchronizationplug-ingearandtheotherendconnectedtothereducercouplingandstandard.Keywords:Briquette,Coalprocessing,Coal,Rollercompactionmachine目录1绪论···········································
7、··················································11.1型煤发展方向·········································································11.1.1发展型煤产业的重要性······················································11.1.2型煤产业及技术的现
