Kev ntim pov tseg hauv kev siv cov kev pov tseg hauv tsev
Nrog txoj kev loj hlob ntawm nroog nyob hauv khib nyiab incineration kev lag luam nyob rau hauv Suav teb, cov haujlwm ntawm incinerators nce xyoo ntawm xyoo, tau nce txij ntawm 2000 xyoo ua ntej ob lub vas nthiv kawg ntawm 2015 txog 224, hlawv tag nrho ntawm 207800 tons / hnub, nyiaj txog li ntawm 40% ntawm kev muaj peev xwm pov tseg, khib nyiab pov tseg tau zoo tuaj.
Tshaj tawm ntawm cov thawv hlawv dej hla tau ua haujlwm, thaj chaw ntawm ntug dej hiav txwv sab hnub tuaj tsim kho ua ntej thaj tsam nruab nrab thiab sab hnub poob, suav nrog zhejiang, shandong, jiangsu, guangdong, fujian nyob rau hauv ntau qhov chaw raug cuam tshuam thiab cov chaw raug cuam tshuam cov chaw ua haujlwm, tsib lub nroog nyob rau hauv cov tsev raug rhuav tshem 129, tau txhawm rau 57,6% ntawm tag nrho lub teb chaws raug puas tsuaj, qhov kev faib no yog ntau dua li ntawm thaj chaw nruab nrab thiab thaj chaw.
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Cov cwj pwm loj ntawm cov khoom siv pov tseg
1. Txuag qhov project av.Kev tib yam pov tseg, incinerators yuav tsum tsuas yog 1 / 20-1 / 15 ntawm thaj tsam ntawm qhov chaw pov tseg.
2. Tsav zom zaws ceev ceev.Thaum ua haujlwm rau hauv qhov chaw zom zaws feem ntau yuav siv sij hawm 7 txog 30 xyoo, thiab lub pob zeb raug muab pov tseg kom ntev li ntev tau ntawm qhov nruab nrab melting qis dua 850 ℃, 2 xuab moos yuav ua tiav.
3. Cov nyhuv ua kom zoo dua tuaj.Qhov pov tseg tib yam yuav raug txo los ntawm kwv yees li ntawm 30% los ntawm qhov chaw pov tseg, 60% ntawm lub lwg thiab 90% ntawm kev raug rhuav tshem.
4. Tshaj tawm paug qis tuaj.Qhov kev tshawb nrhiav thiab kev ntsuas los ntawm lub teb chaws Yelemees ua ib puag ncig tshawb nrhiav, yog tias tib yam kev tswj hwm huab cua tswj kev pov hwm raug txais yuav, cov pa phem ntawm qhov pov tseg yog tsuas yog li ntawm 1/50 ntawm cov chaw tso dej huv.
5. Siv cov khoom siv hluav taws xob ntau tshaj plaws. Txhua qhov siv cov khib nyiab tuaj yeem hlawv kom tsim hluav taws xob ntau tshaj 300 degrees, thiab txhua txhua 5 tus neeg tuaj yeem tsim cov khoom pov tseg hauv tsev. Thaum hlawv hluav taws xob, ib tus neeg tuaj yeem ua raws li qhov hluav taws xob txhua hnub.
Feem ntau hais lus, rau cov nroog loj loj thiab nruab nrab nrog cov neeg tsis txaus ntseeg, tsim kev lag luam thiab cov khoom siv tsis zoo, qhov muaj feem thib yuav tsum raug muab pov tseg rau hauv qhov chaw pov tseg.
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Cov cai tswjfwm, cov cai tswjfwm thiab cov cai tswjfwm uas tsim tawm rau cov haujlwm pov tseg raug pov tseg
Nyob rau hauv kev siv cov khib nyiab incineration fais fab nroj tsim kho, muaj kev nrhav kev tsim kev soj ntsuam thiab kev pom zoo, nrog rau cov yam ntxwv ntawm kev lag luam khoom lag luam, rau kev xeem thiab kev pom zoo ntawm kev ua raws li kev npaj, kev siv av, kev txhimkawm, kev txheeb xyuas, .Tam sim no, txhawm rau txhim kho kev tsim kho thiab kev tsim kho kev tsim nyog rau hauv cov hluav taws xob tsis zoo, lub xeev tau tsim thiab tshaj tawm thiab ua raws li cov cai, qauv thiab kev cai rau kev siv khib nyiab incineration fais fab nroj tsuag, xws li:
1. Daim ntawv tso cai los ntawm tsoomfwv lub tuam txhab rau kev ua haujlwm ntawm vaj tse, hauv nroog-ntug zos thiab lwm lub tuam tsev ntxiv rau kev ntxiv dag zog ntawm kev tswj cov khib nyiab hauv zos (muab los ntawm xeev council [2011] no 9);
2. Ceebtoom ntxiv rau kev tswjhwm ntawm kev sojntsuam txog kev tsim txig ntawm biomass cov dej num (unced [2008] 82);
3. Daim ntawv ceeb toom ntawm lub chaw ua haujlwm ntawm xeev lub tuam txhab tau tshaj tawm thiab muab tawm ntawm 12-tsib-xyoo lub hom phiaj rau kev tsim kho cov chaw tsis muaj kev tiv thaiv rau kev siv khib nyiab hauv Suav teb (khi yas [2012] no.23);
4. Txuj rau kev tswj hwm ntawm cov pa phem los ntawm kev cuam tshuam cov pov tseg hauv tsev (gb18485-2014);
5. Tswj cov qauv kev sib faib khoom pov tseg ntawm cov khib nyiab ntawm cement kilns (gb30485-2013)
6. "cov qauv rau kev tsim kho cov khib nyiab pov tseg thiab kev siv pov tseg rau hauv nroog" (cov qauv siv 142-2010);
7. Kev qhia txog kev raug tua thiab kho cov pov tseg hauv tsev (cj90-2009);
8. Kev qhia meej txog cov khib nyiab pov tseg lub hnab ntim hom av plaster (hj2012-2012);
9. Cov txheej txheem rau kev siv cov txaj hauv tsev txawb hluav taws xob (RISN - TG16), thiab lwm yam.
Yuav kom tswj cov kev khiav haujlwm ntawm kev tsis kam sab hauv hluav taws xob, cov txheej txheem thiab cov cai tau muab nthuav tawm thiab tau ua tiav, xws li:
1. Kev ntsuam xyuas tus txheej txheem ntim hauv tsev pov tseg (CJJ / t137-2010);
2. Kev tswj xyuas tus txheej txheem ntawm kev pov tseg hauv chaw pov tseg (CJJ / t212-2015);
3. Kev ua haujlwm rau kev khiav lag luam, kev tu vaj tse thiab kev nyab xeeb ntawm cov pov tseg hauv tsev pov tseg (cj128-2009);
4. Cov txheej txheem rau kev luj xyuas ntawm kev tsis kam hauv tsev txaj hluav taws xob (RISN - tg018-2015)
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Lub tshuab hluav taws xob tseem ceeb siv rau hauv cov khib nyiab qhov chaw pov tseg
Qhov khib nyiab ntawm lub thoob khib nyiab yog qhov sau los ntawm txhua hom kev siv khib nyiab, kev cais tawm. Qhov siab kub txaus yog ua tiav rau kev sibtshuaj kub siab. Lub zog tshav kub tau tsim hauv high temperature incineration yog txia mus rau hauv kev kub siab, uas tsav lub cav kom tig mus thiab ua kom cov hluav taws xob hluav taws xob rau lub tshuab hluav taws xob.Rau tsis hlawv cov organic teeb meem, hom kab mob fermentation, thaum kawg qhuav desulfurization, methane roj yog methane, cov hluav taws xob ua hluav taws xob hloov mus rau lub zog, tig ib lub cav, tsav cov generator los tsim hluav taws xob.
Lub ntsiab ntawm cov khib nyiab siv hluav taws xob muaj xws li tsib hom kev siv yees, nrog rau cov neeg ua haujlwm raug thev naus laus zis, lub txaj txaws hluav taws xob, lub twj incinerator, CAO incinerator thiab cov mem tes incinerator. .
Ua hauj lwm txoj cai ntawm cov neeg kho tshuab grate incinerator: pov tseg los ntawm lub raj qhau mus rau hauv sloping down grate, vim staggered txav ntawm cov grate, khib nyiab mus rau lub laub, ua rubbish nyob rau hauv lem los ntawm lub cheeb tsam nyob rau grate, kom txog thaum hlawv rauv. qhov qis ntawm cov grate rau hauv thiab tov nrog cov khib nyiab, qhov kub siab kub ntawm qhov cua kub ntawm cov cua sov, cov pa luam yeeb kuj tau txias rau tib lub sijhawm, qhov kawg tawm sab nraud ntawm cov nkev ntawm cov nkev ntawm kev tua nkev.
Fluidized txaj incinerator ua haujlwm: lub cub tawg yog tsim los ntawm cov ntxeem xaib, los koom rau hauv chamber ntawm lub qhov cub los yog cua sov ntau lub quartz xuab zeb, quartz xuab zeb rhaub kom siab tshaj 600 ℃, thiab hauv qab tshuab cua txias tshaj 200 ℃ kub cua Cov pob zeb kub kub, muab tso rau hauv lub thoob khib nyiab. Muab cov pob zeb kub kub ua kom qhuav, uas yog sai sai, ntes rau hluav taws kub hnyiab.Tsis kub hnyiab nyhav nyhav nyhav, khaus hlawv, hlawv khib nyiab loj dua, poob rau hauv qab ntawm cua sov, tom qab txias, coarse slag thiab nplua nplua nrog cov cuab yeej sib cais rau lub hoobkas, ib qho nyiaj me me ntxiv slag thiab quartz xuab zeb los ntawm nqa khoom rov qab mus txuas ntxiv siv nyob rau hauv qhov cub.
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Yuav ua li cas tswj cov paib
Cov khib nyiab roj los ntawm cov nroj tsuag raug rhuav tshem yog ua los ntawm cov nkev roj ua rau lub sij hawm raug kaw. Nws cov pa phem yog hmoov av, hydrogen chloride, sulfur dioxide, nitrogen oxides, dioxins thiab hnyav hlau.
Los ntawm kev tswj hwm lub computer muaj peev xwm paub txog kev siv pov tseg, kev siv hluav taws xob, qhov siab ntawm kev tua hluav taws, kev tswj kev kub nyhiab (qhov kub siab tshaj 850 ℃, qhov roj qhov chaw nyob yog ntau tshaj 2 feeb, thiab lwm yam), ua rau kev kub hnyiab khiav raws li cov kev mob, cov thawj cov ntsiab lus ntawm cov paib kom tsawg, thiab xyuas kom cov dioxins kom meej meej ntawm cov organic teeb meem.
Txhim kho txhua yam khoom siv hluav taws xob tua hluav taws, xws li cov plua plav tawm hauv av, siv cov pa roj carbon monoxide los ntawm cov teeb meem tshuaj, thiab lwm yam kev siv los txheeb xyuas txhua qhov hluav taws xob tua hluav taws hauv online ntawm kev tua cov pa roj carbon emissions aim, incinerator flue roj cov pa paug tawm qhov yuav tsum tau ua.
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Yuav ua li cas tswj cov pa emissions
1. Cov tsheb thauj khoom sib txuas nrog kev sib khi zoo thiab khi tsheb tsis zoo thiab tsis tuaj yeem tsim nyog yuav tsum tau coj los siv thauj cov khib nyiab thiab txo cov phom.
2. Ib qho thaiv daim hlau yuav tsum tau teem rau ntawm qhov nkag thiab tawm ntawm lub thoob khib nyiab tawm, thiab lub qhov rooj tawm fais fab yuav tsum raug kaw ua ntej thiab tom qab tshem tawm ntawm lub thoob khib nyiab kom tiv thaiv kev ntxhiab tawm ntawm kev tawm.
3, rubbish yuav tsum raug kaw, teem caij cesspit qhov pa qhib, kos cov pa roj tsw qab ua pa taws kom pyrolysis incinerator, thiab ua rau lub cesspit thiab kev thauj khoom tawm hauv kev tsis zoo hauv lub xeev.
4. Yuav tsum teeb tsa cov chaw lim dej ua kom zoo dua qub txuag dej. Thaum lub sij hawm dhau ntawm tag nrho cov nroj tsuag, cov ntxhiab nyob rau hauv cov thoob dej khib nyiab yuav tsum tau lim los ntawm cov pa roj carbon dej kub txawb kom huv mus rau tus qauv ua ntej nws tawm tau.
5. Lub cev tua kab mob yuav tsum tsim kom muaj kev sib txuas, thiab yuav tsum muab cov yeeb nkab coj los tso rau sab saum toj kom tsim tau cov tshuaj methane thiab cov pa nkev rau hauv lub thawv ntawm qhov kub siab los ntawm cov yeeb nkab thiab cov kiv cua.
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Yuav ua li cas tswj cov tshuaj lom dioxin
Nws yog feem ntau hais tias dioxins yog luv luv rau cov tshuaj lom dioxin, hais txog cov qauv thiab cov khoom muaj ntsis zoo li muaj ntau lwm yam khoom los yog lub isomers ntawm ob hom organic compounds, tag nrho ntawm 210 hom, uas tsuas yog hom ob peb muaj npe nrog tshuaj lom.
Dioxin tsis yog muaj kev phom sij rau cov incinerators. Nws yog ib qho chaw tsim tawm thaum cov khoom siv organic raug rhuav nrog chlorine. Nws yog ib qho tshwm sim tshuaj lom neeg muaj tshwm sim ntau dua.Dioxins tuaj yeem pom muaj nyob rau hauv huab cua, av, dej, zaub mov thiab khib nyiab. Qee cov kev tshawb fawb pom tau tias cov khoom noj yog qhov chaw muaj cov tshuaj lom dioxins.
Qhov pov tseg incinerator tswj lub dioxin emission, ua rau kub nyob hauv lub thawv incinerator ntau dua li 850 degrees, thiab ua rau cov roj tua hluav taws rau hauv lub chamber rau ntau tshaj 2 vib nas this, kom lub dioxin tuaj yeem txuas tau.Qhov lwm tus yog tias dhau qhov siab purification kev kho mob, qhov concentration ntawm unit dioxin yog tswj li ntawm 0.1nac, mus txog cov txheej txheem thoob ntiaj teb kev tso tawm.
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Yuav ua li cas pov tseg slag thiab fly tshauv
Slag yog rau cov khib nyiab pov tseg tom qab kom muaj ntau npaum li cas nyob ntawm cov khoom seem hauv cov khib nyiab, nws lub ntsiab ntawm manganese oxide, silica, calcium oxide, 3 oxidation 2 aluminium, ferric oxide, scrap hlau, thiab me me tsis kub ntawm cov organic teeb meem, thiab lwm yam .Neeg incineration slag ua los ntawm kev kub nyhiab, cais los ntawm sib sib zog nqus sib cais thiab lwm yam pov tseg hlau xws li hlau thiab steel seem, tej zaum yuav nqa rau kev siv cov cwj pwm, xws li paving txoj kev rau hauv txheej txheej, npog cov khoom chaw pov tseg, thiab lwm yam.
Fly tshauv yog cov khoom pov tseg thiab yuav tsum tau sau nyias. Nws yuav tsum tsis txhob sib xyaw nrog tsev neeg tsis kam, raug rhuav pov tseg, lossis lwm yam khoom pov tseg muaj kev puas tsuaj. Khaws rau sab hauv thiab lub tshauv ya yuav tsum tsis txhob muab khaws cia rau hauv lub hoobkas ntev, yuav tsis muab pov tseg, thiab yuav tsum tsis txhob raug thauj los yog tawm ntawm . Thawj zaug yuav tsum muaj nyob rau hauv lub Hoobkas ntawm MSW cov hmoov tshauv kho kom zoo thiab kev ua kom tiav, nyob rau hauv kev ruaj ntseg thiab kev ua tiav thiab tom qab toxicity kev tsim nyog, siv tau kev xa mus rau kev nyab xeeb xa mus rau kev nyab xeeb hauv tsev los sis chaw tu tsiaj kev kho mob thiab kev siv pov tseg raws li txoj cai yuav tau txais yuav.
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Yuav ua li cas pov tseg ntawm leachate
Leachate belongs rau high concentration organic hauv dej, uas yuav tsum tau tawm ntawm lub tshuab tshwj xeeb ntau txoj kev purification.Qhov tus leachate ntau lawm yog cuam tshuam los ntawm cov muaj pes tsawg leeg, dej ntsiab lus thiab cia hnub ntawm cov khib nyiab.Leachate muaj cov yam ntxwv nram qab no: ua rau cov dej tsis zoo, cov dej ua kom tsis haum thiab cov kab mob sib txawv, cov dej muaj ntau ntawm cov hmoov av, cov ntsiab lus ntawm cov hmoov av thiab cov ntsev.
Tam sim no, muaj ntau txoj kev siv hauv kev kho cov dej khib nyiab, tiam sis kev tshwj xeeb tau raug muab tso tawm vim hais tias cov khoom sib xyaw thiab cov txheej txheem ntawm leachate. ntawm kev kho biochemical, ob peb hom kev kho mob yuav ua tau zoo dua ua ke nrog, cia li vam khom ib txoj kev yooj yim kom tau raws li txoj cai ntawm cov dej haus nruj.Thaum tam sim no, ntau txoj kev kho mob yog siv: biological txujci + kev kho mob membrane technology, namely "zoo li daim phiaj siv roj hmab + nanofiltration + rov qab osmosis + nrig txog kev kho mob system" .Qhov zoo ntawm kev siv tshuab membrane yog tias cov dej zoo ntawm qhov dej tau zoo dua qub thiab qhov yuav tsum tau ua kom tsis txhob muaj ntau dua.
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Qhov kev txhim kho kev txhim kho thiab kev coj ua ntawm kev siv pov tseg cov kev tsim hluav taws xob
1. Cov qauv kev tso pa tawm ntawm cov pa luam yeeb ntau dua. Lub neej ntawm kev tswj hwm huab cua hauv MSW "(GB18485-2014), yuav tsum ua kom tiav cov dej khib nyiab qhov chaw ua haujlwm thiab kev tswj hwm cov pa phem tuaj yeem yuav nruj dua, tus txheej txheem tshiab ntawm cov pa roj carbon monoxide concentration Txwv tsis pub muaj kev ywj pheej nrog cov European Union.Yog ua cov kev txhim kho rau kev ywj pheej kom tau raws li qhov yuav tsum tau muaj ntau dua, cov tshiab incinerators feem ntau yuav tau txais qhov kev txwv, qhuav / ib nrab qaub, qhib cov adsorption tshem tawm ntawm dioxins thiab hnyav hlau, tshem cov plua plav, ua rau siv cov kab mob qaub ncaug ntau dua, cov SCR catalytic denitration tsawg dua thiab cov txheej txheem ntawm cov tshuab dioxins, ua rau kom txo cov roj tso pa tawm ntawm cov pa phem.
2. Txuj kev ua haujlwm zoo dua ntxiv.Thaum kom txo tau lub zog ntawm kev siv cov khib nyiab incinerators, qhov ua tau zoo ntawm kev tsim hluav taws xob tiam tau raug kho dua lawm.Incinerator flue gas recycling technology, hluav taws xob txuag thiab paug ntawm nitrogen oxides, kev txiav tawm ntawm qhov ua kom tsis haum kub tsis txaus, nyob rau hauv kev pom ntawm kev tshem tawm cov roj hmab thiab cov dioxins tib lub sij hawm, qhov kub thiab lub zog kom txo kev noj haus tsawg dua 50% .Txawm tib lub sij hawm, siv kev sib xyaw kom txawj ntse, thiab optimize lub tshuab ua kom sov thiab tsim, tsis siv, kev siv hluav taws xob loj tom qab, cua txias, cua txias ntau dua ib lub tsev incinerators feem ntau txais cov kev hloov quab yuam kom txias ntau tshaj 90% txo qis zog.
3. Kev tsim cov kev siv ntau ntawm cov khib nyiab incineration yog muaj kev siv ntau dua ntawm cov kev siv, kom ze ze xoom paug dej thiab cov khib nyiab pov tseg. Cov dej khib nyiab nyob hauv lub hoobkas siv cov khoom siv tom qab kho tas, ua kom tau ze ze xoom ntawm cov dej khib nyiab. Muab cov khoom pov tseg kom zoo rau kev sib koom tes, xws li kev pov hwm cov pov tseg thiab cov dej ntws pov tseg. Cov khoom siv txuag hluav taws xob, cov khoom noj tau zoo thiab cov khoom siv coj los siv dua yog tsim nyob hauv kev tsim kho nroj tsuag. Lub slag ntawm incineration nroj tsuag yog siv rau cov ntaub ntawv tsim kom paub meej siv cov kev pabcuam.
4. Txhim kho thiab siv cov thev naus laus zis ntxiv rau kev siv hluav taws xob kom zoo dua qub.Thaum kom txo cov khib nyiab pov tseg ntawm cov pa paug, tawm ntawm txhua haiv neeg los tsim txhua yam khib nyiab pov tseg hauv cov cuab yeej ua haujlwm: pov tseg cov tshuab ua khib nyiab, tom qab hlawv cov hmoov ntoo, kev siv lub tshuab ua kom tsis muaj tub sab thiab tsis siv cov roj siv hluav taws xob, thiab lwm yam. Cov tswv yim no yuav paub ntxiv txog kev tsis zoo thiab txo qoob qis, tshwj xeeb tshaj yog rau kev kho cov dej khib nyiab, thiab yuav yog txoj kev loj hlob ntawm cov pov tseg rau yav tom ntej.
