2025/6/211Beforetheindustrialrevolution,distilledpetroleumproducts石油产品wereusedprimarilyasasourceofillumination(照明).Today,petroleumfindsitsprimaryimportanceasanenergysourceandgreatlyinfluencestheworld’seconomy.Inthemodernworld,theproduction,distributionandconsumptionofoilandnaturalgasdictateinternationalrelationsandoftengovernmattersofforeignpolicy.2.5Liquidfuelsandgaseousfuels
§2-5液体燃料和气体燃料
2025/6/2122.5Liquidfuelsandgaseousfuels
§2-5液体燃料和气体燃料
2025/6/2132.5Liquidfuelsandgaseousfuels
§2-5液体燃料和气体燃料
2025/6/2142.5Liquidfuelsandgaseousfuels
§2-5液体燃料和气体燃料
2025/6/215Comparedtocoal,fueloilsarerelativelyeasytohandleandburn.Thereislessbulkashtodisposeofandtheashdischargediscorrespondinglysmall.Inmostoilburners,thefuelisatomizedandmixedwithcombustionair.Intheatomizedstate,thecharacteristicsofoilapproachthoseofnaturalgas.(SeeChapter11.)Becauseofitsrelativelylowcost,No.6fueloilisthemostwidelyusedforsteamgeneration.Itcanbeconsideredabyproductoftherefiningprocess.Itsashcontentrangesfrom0.01to0.5%whichisverylowcomparedtocoal.However,despitethislowashcontent,compoundsofvanadium,sodiumandsulfurintheashcanposeoperatingproblems.2.5Liquidfuelsandgaseousfuels
§2-5液体燃料和气体燃料
2025/6/2161.Liquidfuels液体燃料(fueloil,pp.9-12~9-16)Petroleumorcrudeoilisthesourceofvariousfueloilsusedforboiler.Therefiningofcrudeoilyieldsanumberofproductshavingmanydifferentapplications.Thoseusedasfuelincludegasoline,distillatefuel,residualfueloil(渣油),jetfuels,stillgas,liquefiedgas,kerosene(煤油)andpetroleumcoke(石油焦).pp.9-13Productsforotherapplicationsincludelubricants(润滑剂)andwaxes,asphalt(沥青),roadoilandpetrochemical(石化)feedstock(原料).锅炉燃用的液体燃料主要是重油和渣油。重油：石油提炼汽油、煤油和柴油dieseloil后的剩余物渣油：进一步提炼后的剩余物residue。2.5Liquidfuelsandgaseousfuel