简介：Owingtoacertainangleexistingbetweenabeltconveyorandtheparallelhoppers,andthehopperslocalizingawayfromthecenterlinesofablastfurnace,particlessizesegregationislikelytohappeninabell-lesstopblastfurnacewithparallelhoppers.Masteringthelawofparticlessizesegregationinhopperscouldhelptochoosebetterchargingparametersandoptimizeproductionandtechnicalindices.Asforthepreviousworksonburdensegregationatabell-lesstopblastfurnacewithparallelhoppers,moreattentionwaspaidtothefallingpointsegregationandthecircumferentialmassflowsegregationwhilechargingfromthetiltingchute,butignoringtheparticlesizesegregationinburdenhoppersasburdenfallsfromabeltconveyor,whichistherightbasisofanalyzingtheformer,andplaysasignificantroleincontrollingthegasdistributionintheblastfurnace.Thepresentworktakesternarymixturesofcokeinthreedifferentparticlesizestosimulatethesizesegregationofthecokechargedintothehoppersbyexperiments.Theeffectofthemainstrikingpointonsizesegregationisalsoinvestigated.TheresearchshowsthatthereexistsagoodlinearrelationbetweensegregationcoefficientkandthedimensionlessmainstrikingpointwhenusingtheequationC=C0ktoexpressthedegreeofsizesegregationinhoppers.Thelinearrelationisproposedforthefirsttimeandprovidesanewwaytopredictthesizesegregationinhoppers,whichformsatheoreticalbasisandtechnicalsupportforreducingthesizesegregationdegreeinhoppers.

简介：据菲律宾媒体7月10日报道，菲律宾生力集团旗下最大企业-TopFrontier投资控股公司将投资10至15亿美元在苏里高省建造一个镍矿加工厂，该厂将采用高压酸浸HPAL技术，年产镍20万吨，目前正在与潜在设备供应商洽谈。