脱硫石油焦渣性能与应用分析

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1、AbstractPetroleumcoke，produced嬲by-productsinPetrochemicalindustry,canbedividedintohigh-sulfur(above3percent)andlow-sulfur(1essthan3percent)．Howtoutilizethehigh—sulfurpetroleumcokecleanly,andcreateeconomicbenefitsaregenerallyconcemedbydomesticPetrochemicalindustry．Inrecentyears，thecir

2、culatingfluidizedbedtechnologydevelopsrapidly．Thistechnologyallows11igh·sulfurpetroleumcokeasanefficient，low-pollutionfuel．TheSO．calleddesulfurizationpetroleumcokeresiduesistheformationofCaS04andothercomburentmixturewithoutsulfurelementwhichisobtainedbyhi曲sulfurpetroleumcokeandlimest

3、onewhoareburnedintheboiler．ThesubjectisbasedOlltheprogramoftheresearchoftheapplicationofmilledhigh-sulfurpetroleumcokedesulfurationresidues，andmainlyincludesthefollowingcomponents：(1)Basicpropertiesofpetroleumcokedesulfurationresidues，includingchemicalcompositon,mineralconstituent，no

4、rmalconsistencywaterconsumptionandsettingtime(2)ResearchtheHydrationmechanismofdesulfurizedpetroleumcokedesulfurationresiduesatdifferenttemperatures，andofautoclavedaeratedconcrete．(3)Preparingtheaeratedconcretewitllpetroleumcokedesulfurationresiduesinsteadoflime笛calcareousmaterialsan

5、dflyashandpulverizedsand硒siliceousmaterials．Firstly,designmatrixtest，andelecthighs仃engthratiofurthertodohairairtest．Secondly,discussthestrengthoftheratioofwaterandaluminumpowdercontent．Finally,wediscussthestrengthofaeratedconcreteblock，whicharepreparedbymixing晰tllsodiumandheatingthes

6、lurry．(4)Selectthegoodtestradiotoconductacostanalysis，andcleartheeconomicviabilityofthepreparationofaeratedconcrete晰tlldesulfurizationofpetroleumcokeresidue．Theresultsare弱follows：(1)thecontentofCaOinpetroleumcokedesulfurationresiduesisreachupto55-60percentandCaS04isreachupto35-40perc

7、ent．(2)TheDigestionrateisfastandcallreachtheMaximumtemperaturein3minutes．(3)Atdifferenttemperature，CaOexitinginpetroleumcokedesulfurationresiduescanturnintoCa(OH)2aftermixedwithwater,onlyat20"CcuringconditionsCanasmallpartCaS04hydrateintoCaS04。2H20．(4)Intheautoclavecuringconditions，t

8、herearelarge