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        返回 2021.02.11 來(lái)源:http://m.elmasticar.com 0
        2沼氣利用方案對比分析
            Comparisonandanalysisof2biogasutilizationschemes
            4個(gè)方案的對比分析見(jiàn)表1。由表1可知,4種方案總收益相差不大,其中,方案1及方案2前期建設工程投入及運行維護費用較小,收益較大;方案3前期建設工程費用更小,且不存在運行維護成本,收益,但該方案存在較大安全隱患;方案4由于前期建設工程投入及運行維護成本高,雖然其收入為4個(gè)方案,但收益與前3個(gè)方案差別不大。    ThecomparativeanalysisofthefourschemesisshowninTable1.Itcanbeseenfromtable1thatthereislittledifferenceinthetotalbenefitsofthefourschemes.Amongthem,theinvestmentandoperationandmaintenancecostsofscheme1andscheme2arerelativelysmall,andthebenefitsarerelativelylarge;scheme3hastheminimumconstructioncosts,andthereisnooperationandmaintenancecosts,andthebenefitsarethelargest,buttherearerelativelylargepotentialsafetyhazardsinthescheme;scheme4hashighinvestmentandoperationandmaintenancecosts,althoughtheincomeisrelativelylowTheincomeofthefourschemesisthehighest,butthereislittledifferencebetweenthem.
            4種沼氣發(fā)電方案優(yōu)缺點(diǎn)
            Advantagesanddisadvantagesoffourbiogaspowergenerationschemes
            3結論
            3conclusion
            方案1:沼氣經(jīng)沼氣燃燒器回爐燃燒可回收沼氣熱量,增加了整廠(chǎng)的收益,且運行穩定、可靠。方案2:沼氣經(jīng)回噴槍回爐燃燒收益相當于方案1,但當焚燒爐燃燒工況不穩定時(shí),沼氣可能有點(diǎn)火燃燒不及時(shí)風(fēng)險。方案3:將沼氣抽送至垃圾坑經(jīng)濟性能更好,但綜合考慮垃圾本身產(chǎn)生的沼氣及被抽回的沼氣,沼氣濃度太高,且不易控制,增加了爆炸事故發(fā)生的可能性,故方案3存在安全隱患。方案4:沼氣熱利用效率,但設備、建設費用較高,且該方案沼氣須經(jīng)過(guò)預處理,系統復雜,故障率較高。此外,上網(wǎng)發(fā)電需要增加升壓裝置,并派專(zhuān)人維護,人力及維護成本較高。由此可見(jiàn),生活垃圾焚燒發(fā)電廠(chǎng)滲瀝液處理產(chǎn)生的沼氣,采用通過(guò)沼氣燃燒器回噴入爐焚燒的利用方案。   Scheme1:theheatofbiogascanberecoveredbyreturningthebiogasburnertothefurnace,increasingtheincomeofthewholeplant,andtheoperationisstableandreliable.Scheme2:thebenefitofbiogasreturningtothefurnacethroughthereturnlanceisequivalenttoscheme1,butwhenthecombustionconditionoftheincineratorisunstable,theremaybetheriskofdelayedignitionandcombustionofbiogas.Scheme3:theeconomicperformanceofpumpingbiogastothegarbagepitisthebest,butconsideringthebiogasproducedbythegarbageitselfandthebiogaspumpedback,theconcentrationofbiogasistoohighanddifficulttocontrol,whichincreasesthepossibilityofexplosionaccidents,soscheme3haspotentialsafetyhazards.Scheme4:thebiogasheatutilizationefficiencyisthehighest,buttheequipmentandconstructioncostsarehigh,andthebiogasinthisschememustbepretreated,sothesystemiscomplexandthefailurerateishigh.Inaddition,thegridpowergenerationneedstoincreasetheboosterdevice,andsendspecialpersonneltomaintain,sothecostofmanpowerandmaintenanceishigh.Itcanbeseenthatthebiogasproducedbyleachatetreatmentindomesticwasteincinerationpowerplantisbesttobeinjectedintothefurnacethroughbiogas
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        優(yōu)缺點(diǎn)分析

        2沼氣利用方案對比分析
            Comparisonandanalysisof2biogasutilizationschemes
            4個(gè)方案的對比分析見(jiàn)表1。由表1可知,4種方案總收益相差不大,其中,方案1及方案2前期建設工程投入及運行維護費用較小,收益較大;方案3前期建設工程費用更小,且不存在運行維護成本,收益,但該方案存在較大安全隱患;方案4由于前期建設工程投入及運行維護成本高,雖然其收入為4個(gè)方案,但收益與前3個(gè)方案差別不大。    ThecomparativeanalysisofthefourschemesisshowninTable1.Itcanbeseenfromtable1thatthereislittledifferenceinthetotalbenefitsofthefourschemes.Amongthem,theinvestmentandoperationandmaintenancecostsofscheme1andscheme2arerelativelysmall,andthebenefitsarerelativelylarge;scheme3hastheminimumconstructioncosts,andthereisnooperationandmaintenancecosts,andthebenefitsarethelargest,buttherearerelativelylargepotentialsafetyhazardsinthescheme;scheme4hashighinvestmentandoperationandmaintenancecosts,althoughtheincomeisrelativelylowTheincomeofthefourschemesisthehighest,butthereislittledifferencebetweenthem.
            4種沼氣發(fā)電方案優(yōu)缺點(diǎn)
            Advantagesanddisadvantagesoffourbiogaspowergenerationschemes
            3結論
            3conclusion
            方案1:沼氣經(jīng)沼氣燃燒器回爐燃燒可回收沼氣熱量,增加了整廠(chǎng)的收益,且運行穩定、可靠。方案2:沼氣經(jīng)回噴槍回爐燃燒收益相當于方案1,但當焚燒爐燃燒工況不穩定時(shí),沼氣可能有點(diǎn)火燃燒不及時(shí)風(fēng)險。方案3:將沼氣抽送至垃圾坑經(jīng)濟性能更好,但綜合考慮垃圾本身產(chǎn)生的沼氣及被抽回的沼氣,沼氣濃度太高,且不易控制,增加了爆炸事故發(fā)生的可能性,故方案3存在安全隱患。方案4:沼氣熱利用效率,但設備、建設費用較高,且該方案沼氣須經(jīng)過(guò)預處理,系統復雜,故障率較高。此外,上網(wǎng)發(fā)電需要增加升壓裝置,并派專(zhuān)人維護,人力及維護成本較高。由此可見(jiàn),生活垃圾焚燒發(fā)電廠(chǎng)滲瀝液處理產(chǎn)生的沼氣,采用通過(guò)沼氣燃燒器回噴入爐焚燒的利用方案。   Scheme1:theheatofbiogascanberecoveredbyreturningthebiogasburnertothefurnace,increasingtheincomeofthewholeplant,andtheoperationisstableandreliable.Scheme2:thebenefitofbiogasreturningtothefurnacethroughthereturnlanceisequivalenttoscheme1,butwhenthecombustionconditionoftheincineratorisunstable,theremaybetheriskofdelayedignitionandcombustionofbiogas.Scheme3:theeconomicperformanceofpumpingbiogastothegarbagepitisthebest,butconsideringthebiogasproducedbythegarbageitselfandthebiogaspumpedback,theconcentrationofbiogasistoohighanddifficulttocontrol,whichincreasesthepossibilityofexplosionaccidents,soscheme3haspotentialsafetyhazards.Scheme4:thebiogasheatutilizationefficiencyisthehighest,buttheequipmentandconstructioncostsarehigh,andthebiogasinthisschememustbepretreated,sothesystemiscomplexandthefailurerateishigh.Inaddition,thegridpowergenerationneedstoincreasetheboosterdevice,andsendspecialpersonneltomaintain,sothecostofmanpowerandmaintenanceishigh.Itcanbeseenthatthebiogasproducedbyleachatetreatmentindomesticwasteincinerationpowerplantisbesttobeinjectedintothefurnacethroughbiogas
        RM新时代app下载-首页

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