英语作文怎么解决大气污染问题

(1)thecurrentlowefficiencyduetotheburningdevice,makealotofenergyconsumptionintheformofheat,andthermalpollution.Accordingtothestatistics,civilburningdevicethermalefficiencyisabout10%one40%,industrialboilerisabout20%to70%,acoal-firedpowerplantenergyefficiencyisabout40%,nuclearpowerstationsisabout33%.Heatenergyeffectiveutilizationrateofaverageonlyabout30%ofourcountry.Iftheheatenergyutilizationratioincreasedby10%,meansthat15%ofthethermalpollutionundercontrol.Increasethethermalefficiencytomorethan40%inChina(theequivalentofindustrialdevelopedcountrylevel)ispossible.Thiscangreatlyreducethermalpollution.(2)theuseofwasteheatmayalsoreduceheatpollution.Forexample,thefactorywastesteamthroughtotakeabathforheatexchanger,ortemperaturewasteheatusedtoheatneedsrawmaterials;Recyclingthewasteheat,saveenergyandpreventtheheatpollutionenvironment.(3)theuseofcoolingaircoolingtoreducethermalpollution.Manyenterprisesofhotsteam,heatdirectlydischargemakespollution.Ifusethecoolingtowerorcoolingpoolcontaininghotexhaustcoolingfirst,andthendischarge,isaneasywaytosolvethethermalpollution.Thecoolingtower,whichhastwokindsofdryandwettowers.Drytoweristoreachthepurposeofcoolingbyheatconductionandconvection.Wetcanusenaturalventilationcoolingtower,alsocanusethemethodofmechanicalventilationtoacceleratecooling.Thecoolingtowerandcoolinghasbeenwidelyusedinpowerstation,metallurgyfactoriesandmines.