Lintho tse silafatsang tse ntšitsoeng haholo-holo ke: moholi oa pente le metsoako ea tlhaho e hlahisoang ke pente ea spray, le metsoako ea tlhaho e hlahisoang ha ho omisa ho fetoha.Moholi oa pente haholo-holo o tsoa karolong ea mokelikeli o qhibilihisang moeeng, 'me sebopeho sa oona se lumellana le seaparo se sebelisitsoeng.Lintho tse hlapollang tsa lintho tse phelang li tsoa haholo ho lihlapolli le li-diluents ts'ebetsong ea ho roala, boholo ba tsona ke mesi e sa fetoheng, 'me litšila tsa tsona tse ka sehloohong ke xylene, benzene, toluene joalo-joalo.Ka hona, mohloli o ka sehloohong oa khase ea litšila e kotsi e ntšitsoeng ka ho roala ke kamore ea ho penta ea spray, kamore ea ho omisa le kamore ea ho omisa.
1. Mokhoa oa phekolo ea khase ea litšila ea mohala oa tlhahiso ea likoloi
1.1 Sekema sa kalafo ea khase ea litšila nakong ea ho omisa
Khase e tsoang ho electrophoresis, ho roala ka hare le kamore ea ho omisa ka holim'a metsi ke ea mocheso o phahameng le khase ea litšila e phahameng, e loketseng mokhoa oa ho chesoa.Hajoale, mehato e sebelisoang hangata ea ho phekola khase ea litšila nakong ea ho omisa e kenyelletsa: theknoloji ea regenerative thermal oxidation (RTO), regenerative catalytic combustion technology (RCO), le TNV recovery thermal incineration system.
1.1.1 Mofuta oa polokelo ea mocheso oa mofuta oa thermal oxidation technology (RTO)
Thermal oxidator (Regenerative Thermal Oxidizer, RTO) ke sesebelisoa sa ts'ireletso ea tikoloho se bolokang matla bakeng sa ho alafa khase ea litšila ea tlhaho le e tlase.E loketse molumo o phahameng, khatello e tlase, e loketseng khatello ea khase ea litšila lipakeng tsa 100 PPM-20000 PPM.Litsenyehelo tsa ts'ebetso li tlase, ha khatello ea khase ea litšila e kaholimo ho 450 PPM, sesebelisoa sa RTO ha se hloke ho eketsa mafura a thusang;sekhahla sa tlhoekiso se phahame, sekhahla sa tlhoekiso ea libethe tse peli tsa RTO se ka fihla ho feta 98%, sekhahla sa tlhoekiso ea libethe tse tharo tsa RTO se ka fihla ho feta 99%, mme ha ho na tšilafalo ea bobeli e kang NOX;taolo e iketsang, ts'ebetso e bonolo;polokeho e phahame.
Mochini o nchafatsang mocheso oa oxidation o sebelisa mokhoa oa ho futhumatsa mocheso ho phekola mocheso o mahareng le o tlase oa litšila tsa lintho tse phelang, 'me mochini o futhumatsang mocheso oa bethe oa ceramic o sebelisetsoa ho khutlisa mocheso.E entsoe ka bethe ea polokelo ea mocheso ea ceramic, valve ea ho laola othomathike, kamore ea mollo le sistimi ea taolo.Likarolo tse ka sehloohong ke: valve ea ho laola ka mokhoa o itekanetseng ka tlase ho bethe ea polokelo ea mocheso e hokahane le phala e kholo ea ho kenya le phala e kholo ea ho ntša metsi ka ho latellana, 'me bethe ea polokelo ea mocheso e bolokiloe ka ho futhumatsa khase ea litšila e kenang betheng ea polokelo ea mocheso. ka thepa ea ho boloka mocheso oa ceramic ho monya le ho lokolla mocheso;khase ea litšila e chesitsoeng pele ho mocheso o itseng (760 ℃) e kenngoa ka oxid ka ho tuka ha kamore ea mollo ho hlahisa carbon dioxide le metsi, 'me ea hloekisoa.Mohaho o ka sehloohong oa libethe tse peli tsa RTO o na le kamore e le 'ngoe e tukang mollo, libethe tse peli tsa ceramic tse pakiloeng le li-valve tse' nè.The regenerative ceramic packing bethe mocheso exchanger ka sesebediswa ka maximize ho hlaphoheloa mocheso ho feta 95%;Ha ho na mafura a sebelisoang kapa a fokola ha ho sebelisoa khase ea litšila.
Melemo: Ha u sebetsana le phallo e phahameng le khatello e tlase ea khase ea litšila, litšenyehelo tsa ts'ebetso li tlase haholo.
Mefokolo: matsete a phahameng a nako e le 'ngoe, mocheso o tukang o phahameng, ha o tšoanelehe bakeng sa phekolo ea khatello e phahameng ea khase ea litšila tse phelang, ho na le likarolo tse ngata tse tsamaeang, tse hlokang mosebetsi o mongata oa tlhokomelo.
1.1.2 Thermal catalytic combustion technology (RCO)
The regenerative catalytic combustion device (Regenerative Catalytic Oxidizer RCO) e sebelisoa ka ho toba ho mahloriso a mahareng le a phahameng (1000 mg / m3-10000 mg / m3) tlhoekiso ea litšila tsa manyolo.Theknoloji ea phekolo ea RCO e loketse ka ho khetheha bakeng sa tlhokahalo e phahameng ea tekanyo ea mocheso oa mocheso, empa hape e loketse mohala o tšoanang oa tlhahiso, ka lebaka la lihlahisoa tse fapaneng, sebopeho sa khase ea litšila hangata se fetoha kapa khatello ea khase ea litšila e fetoha haholo.Ho ke ke haholo-holo a loketse bakeng sa tlhokahalo ea mocheso matla a ho hlaphoheloa ha likhoebo kapa ho omisa kutu line litšila pheko ea khase, le ho hlaphoheloa matla ka sebelisoa bakeng sa ho omisa kutu mola, e le ho finyella morero oa ho pholosa matla.
Theknoloji e nchafatsang ea pheko ea ho tuka ke mokhoa o tloaelehileng oa khase e tiileng, eo ha e le hantle e leng oxidation e tebileng ea mefuta ea oksijene e sebetsang.Ts'ebetsong ea oxidation ea catalytic, adsorption ea bokaholimo ba mokelikeli o etsa hore limolek'hule tse reactant li ruise holim'a sesebelisoa.Phello ea "catalyst" ho fokotsa matla a ts'ebetso e potlakisa karabelo ea oxidation mme e ntlafatsa sekhahla sa karabelo ea oxidation.Tlas'a ts'ebetso ea "catalyst" e khethehileng, lintho tse phelang li etsahala ntle le ho tuka ho fokolang ha oxidation ka mocheso o tlase oa ho qala (250 ~ 300 ℃), o senyehang ho ba carbon dioxide le metsi, 'me o ntša matla a mangata a mocheso.
Sesebelisoa sa RCO haholo-holo se entsoe ka 'mele oa sebōpi,' mele oa ho boloka mocheso oa motlakase, tsamaiso ea mollo, tsamaiso ea ho laola ka mokhoa o itekanetseng, valve ea othomathike le mekhoa e meng e mengata.Ts'ebetsong ea tlhahiso ea indasteri, khase e tsoang ka har'a organic e kenang ka har'a valve e potolohang ea lisebelisoa ka fan e kentsoeng, 'me khase e kenang le khase e tsoang li arohane ka botlalo ka valve e potolohang.Mocheso oa polokelo ea matla le phapanyetsano ea mocheso oa khase o batla o fihla mocheso o behiloeng ke catalytic oxidation ea catalytic layer;khase ea ho qeta e ntse e tsoela pele ho futhumala sebakeng sa ho futhumatsa (ebang ke ka mocheso oa motlakase kapa mocheso oa khase ea tlhaho) le ho boloka mocheso o behiloeng;e kena ka har'a catalytic layer ho phethahatsa ts'ebetso ea catalytic oxidation, e leng, karabelo e hlahisa carbon dioxide le metsi, 'me e ntša matla a mangata a mocheso ho finyella phello e lakatsehang ea phekolo.Khase e hlahisoang ke oxidation e kena ka har'a lisebelisoa tsa ceramic lera 2, 'me matla a mocheso a tšeloa sepakapakeng ka valve ea rotary.Ka mor'a ho hloekisoa, mocheso oa ho qeta ka mor'a ho hloekisa o phahame hanyenyane feela ho feta mocheso pele ho phekolo ea khase ea litšila.Sistimi e sebetsa ka ho sa feleng mme e fetoha ka bo eona.Ka mosebetsi oa li-valve tse potolohang, likarolo tsohle tsa ho tlatsa ka ceramic li phethela mehato ea potoloho ea ho futhumatsa, ho pholisa le ho hloekisa, 'me matla a mocheso a ka khutlisoa.
Melemo: phallo e bonolo ea ts'ebetso, lisebelisoa tsa compact, ts'ebetso e tšepahalang;ts'ebetso e phahameng ea tlhoekiso, ka kakaretso e fetang 98%;mocheso o tlase oa ho tuka;matsete a tlase a lahliloeng, litšenyehelo tse tlase tsa ts'ebetso, ts'ebetso ea ho khutlisa mocheso ka kakaretso e ka fihla ho feta 85%;ts'ebetso eohle ntle le tlhahiso ea metsi a litšila, ts'ebetso ea tlhoekiso ha e hlahise tšilafalo ea bobeli ea NOX;Thepa ea ho hloekisa ea RCO e ka sebelisoa le kamore ea ho omisa, khase e hloekisitsoeng e ka sebelisoa hape ka ho toba ka kamoreng ea ho omisa, ho finyella morero oa ho boloka matla le ho fokotsa mocheso;
Mefokolo: sesebelisoa sa catalytic combustion se loketse feela ho phekola khase ea litšila e nang le lintlha tse tlase tse belang tsa lintho tse phelang le lintho tse fokolang tsa molora, 'me phekolo ea khase e litšila e kang mosi o mafura ha e tšoanelehe,' me mohloli o lokela ho chefo;khatello ea khase ea litšila ea manyolo e ka tlase ho 20%.
1.1.3TNV Sistimi ea ho cheselletsa mocheso ea mofuta oa recycling
Recycling type thermal incineration system (Sejeremane Thermische Nachverbrennung TNV) ke ts'ebeliso ea khase kapa peterole e tukang ka kotloloho ho futhumatsa litšila tse nang le mokelikeli oa organic, tlasa ts'ebetso ea mocheso o phahameng, limolek'hule tsa organic solvent oxidation decomposition into carbon dioxide le metsi, mocheso o phahameng oa mocheso oa khase. ka ho tšehetsa multistage mocheso phetiso sesebelisoa futhumatsang tshebetso tlhahiso ea ho hloka moea kapa metsi a chesang, ka botlalo recycling oxidation decomposition of organic litšila khase mocheso eneji, fokotsa tshebediso ya matla a tsamaiso eohle.Ka hona, tsamaiso ea TNV ke mokhoa o sebetsang hantle le o loketseng oa ho tšoara khase e litšila e nang le li-solvents tse phelang ha mokhoa oa tlhahiso o hloka matla a mangata a mocheso.Bakeng sa mohala o mocha oa tlhahiso ea pente ea electrophoretic, mokhoa oa ho chesa mocheso oa TNV hangata o amoheloa.
Sistimi ea TNV e na le likarolo tse tharo: preheating ea gase le sistimi ea ho chesa, sistimi e potolohang ea ho futhumatsa moea le sistimi e ncha ea phapanyetsano ea mocheso oa moea.Mochine o futhumatsang oa mocheso oa khase ea litšila tsamaisong ke karolo ea mantlha ea TNV, e entsoeng ka 'mele oa sebōpi, kamore ea mollo, mochine oa mocheso, mollo le valve e laolang flue.Ts'ebetso ea eona ea ts'ebetso ke: ka mocheso o matla oa hlooho ea hlooho e tla ba litšila tsa khase e tsoang ka phapusing ea ho omisa, ka mor'a ho chesoa ha litšila tsa khase bohareng ba mocheso o hahiloeng ka mocheso oa mocheso o futhumatsang, ho ea kamoreng ea mollo, ebe ka mocheso oa mollo, mocheso o phahameng. hoo e ka bang 750 ℃) ho senyeha ha khase ea oxidation ea lintho tse phelang, ho bola ha khase ea litšila ea tlhaho hore e be carbon dioxide le metsi.The generated phahameng mocheso flue khase e lokolloa ka mocheso exchanger le ka sehloohong flue phala ea khase seboping.Khase ea flue e ntšitsoeng e futhumatsa moea o potolohang ka kamoreng ea ho omisa ho fana ka matla a mocheso a hlokahalang bakeng sa kamore ea ho omisa.Sesebelisoa sa phetisetso ea mocheso oa moea o hloekileng se behiloe qetellong ea sistimi ho khutlisa mocheso oa litšila oa sistimi bakeng sa ho hlaphoheloa ha ho qetela.Moea o hloekileng o tlatsitsoeng ke kamore ea ho omisa o futhumatsoa ka khase ea flue ebe o romeloa kamoreng ea ho omisa.Ntle le moo, ho boetse ho na le valve e laolang motlakase pompong e kholo ea khase ea flue, e sebelisetsoang ho lokisa mocheso oa khase ea flue sebakeng sa sesebelisoa, 'me tlhahiso ea ho qetela ea mocheso oa khase ea flue e ka laoloa hoo e ka bang 160 ℃.
Litšobotsi tsa lisebelisoa tse futhumatsang tsa khase e chesang bohareng li kenyelletsa: nako ea ho lula ha khase ea litšila ka kamoreng ea mollo ke 1 ~ 2s;sekhahla sa ho bola ha khase ea litšila e fetang 99%;sekhahla sa ho khutlisa mocheso se ka fihla ho 76%;mme karo-karolelano ea tokiso ea tlhahiso ea mollo e ka fihla ho 26 ∶ 1, ho fihla ho 40 ∶ 1.
Mefokolo: ha ho phekoloa khase ea litšila ea lintho tse phelang ka tlaase, litšenyehelo tsa ts'ebetso li phahame;mocheso oa mocheso oa tubula o sebetsa feela ka mokhoa o tsoelang pele, o na le bophelo bo bolelele.
1.2 Sekema sa kalafo ea khase ea litšila ka phaposing ea pente ea spray le phaposi ea ho omisa
Khase e tsoang phaposing ea pente ea spray le phaposi ea ho omisa e na le khatello e tlase, sekhahla se seholo sa phallo le khase e litšila ea mocheso oa kamore, 'me motsoako o ka sehloohong oa litšila ke li-hydrocarbon tse nkhang hamonate, li-ether tsa joala le li-ester organic solvents.Hajoale, mokhoa oa kantle ho naha o holileng ho feta ke: khase ea pele ea litšila tsa manyolo ho fokotsa kakaretso ea khase ea litšila, ka mokhoa oa pele oa adsorption (khabone e kentsoeng kapa zeolite joalo ka adsorbent) bakeng sa khatello e tlase ea mocheso oa kamore ea ho fafatsa pente ea mohatsela, e nang le mocheso o phahameng oa khase, khase ea ho ntša metsi e ngata ka ho sebelisa catalytic combustion kapa mokhoa o tsosolosang oa ho chesa mocheso.
1.2.1 Activated carbon adsorption- -desorption le sesebelisoa sa tlhoekiso
Ho sebelisa mashala a linotši e le adsorbent, e kopantsoe le melao-motheo ea tlhoekiso ea adsorption, nchafatso ea desorption le mahloriso a VOC le catalytic combustion, moea o mongata o phahameng, khatello e tlase ea litšila tsa tlhaho ka khekhe ea linotsi e kentsoeng k'habone ho fihlela sepheo sa tlhoekiso ea moea, Ha khabone e butsoitseng e tletse ebe e sebelisa moea o chesang ho nchafatsa khabone e kentsoeng, "Desorbed concentrated organic matter" e romelloa betheng ea catalytic combustion, Organic matter e oxidized hore e be carbon dioxide e se nang kotsi le metsi, Likhase tse chesang tse chesang li chesa Moea o batang ka mochini o futhumatsang mocheso, Khase e pholileng e tsoang ka mor'a ho fapanyetsana mocheso, Karolo ea ho nchafatsa khekhe ea linotsi ka mashala a linotši, Ho fihlela sepheo sa litšila tsa tšebeliso ea mocheso le ho boloka matla.Sesebelisoa sohle se entsoe ka pre-filter, adsorption bed, catalytic combustion bed, flame retardancy, fan e amanang, valve, joalo-joalo.
Sesebelisoa sa ho hloekisa carbon adsorption-desorption se entsoe ho latela melao-motheo e 'meli ea adsorption le catalytic combustion, ho sebelisoa tsela e tsoelang pele ea khase e habeli, kamore e tukang e tukang, libethe tse peli tsa adsorption li sebelisoa ka tsela e fapaneng.Khase ea pele ea litšila e nang le adsorption ea khabone e kentsoeng, ha phallo e potlakileng e emisa ho ata, ebe o sebelisa phallo ea moea o chesang ho tlosa lintho tse phelang ho carbon e kentsoeng ho etsa hore khabone e nchafatsoe;lintho tse phelang li ntse li tsepamisitsoe (makhetlo a mangata a phahameng ho feta a pele) 'me a romelloa ka kamoreng ea catalytic combustion catalytic combustion ho carbon dioxide le ho tsoa mouoane oa metsi.Ha khase ea litšila ea lintho tse phelang e fihla ho feta 2000 PPm, khase ea litšila e ka boloka mollo o iketsahallang feela betheng ea motlakase ntle le ho futhumatsa ka ntle.Karolo e 'ngoe ea khase e tukang e lahleloa sepakapakeng, 'me boholo ba eona e romeloa betheng ea adsorption bakeng sa ho nchafatsa khabone e entsoeng.Sena se ka khahlanyetsa ho tuka le ho kenyeletsoa ha matla a mocheso a hlokahalang, ho fihlela sepheo sa ho boloka matla.Ho tsosolosoa ho ka kenya adsorption e latelang;ka desorption, ts'ebetso ea tlhoekiso e ka etsoa ke bethe e 'ngoe ea adsorption, e loketseng ts'ebetso e tsoelang pele le ts'ebetso ea nakoana.
Ts'ebetso ea tekheniki le litšobotsi: ts'ebetso e tsitsitseng, sebopeho se bonolo, se sireletsehileng le se ka tšeptjoang, ho boloka matla le ho boloka mosebetsi, ha ho na tšilafalo ea bobeli.Thepa e koahela sebaka se senyenyane mme e na le boima bo bobebe.E loketse haholo ho sebelisoa ka molumo o phahameng.The activated carbon bed that adsorbs organic waste gase e sebelisa khase ea litšila ka mor'a hore ho be le mollo o matla bakeng sa ho tlosa nchafatso, 'me khase e hlobolang e romelloa ka kamoreng e tukang ea catalytic bakeng sa tlhoekiso, ntle le matla a ka ntle,' me phello ea ho boloka matla e bohlokoa.Bothata ke hore activated carbon e khutšoanyane 'me litšenyehelo tsa eona tsa ho sebetsa li holimo.
1.2.2 Zeolite fetisa mabili adsorption- -desorption sesebelisoa sa tlhoekiso
Likarolo tse ka sehloohong tsa zeolite ke: silicon, aluminium, e nang le matla a adsorption, e ka sebelisoa e le adsorbent;Semathi sa zeolite ke ho sebelisa litšoaneleho tsa sebaka se ikhethileng sa zeolite se nang le adsorption le desorption capacity bakeng sa litšila tse silafatsang, e le hore khase ea VOC e felisoe ka khatello e tlase le khatello e phahameng, e ka fokotsa litšenyehelo tsa ts'ebetso ea lisebelisoa tsa ho qetela tsa kalafo.Litšobotsi tsa sesebelisoa sa eona li loketse ho phekoloa ha phallo e kholo, mahloriso a tlaase, a nang le mefuta e sa tšoaneng ea likarolo tsa manyolo.Bothata ke hore matsete a pele a holimo.
Sesebelisoa sa ho hloekisa semathi sa Zeolite ke sesebelisoa sa tlhoekiso ea khase se ka tsoelang pele ho etsa ts'ebetso ea adsorption le desorption.Mahlakore a mabeli a lebili la zeolite a arotsoe likarolo tse tharo ka sesebelisoa se khethehileng sa ho tiisa: sebaka sa adsorption, sebaka sa desorption (ho tsosolosoa) le sebaka se pholileng.Mokhoa oa ho sebetsa oa tsamaiso ke: lebili le potolohang la zeolite le potoloha ka mokhoa o tsoelang pele ka lebelo le tlaase, Ho potoloha sebakeng sa adsorption, sebaka sa desorption (ho tsosolosoa) le sebaka se pholileng;Ha khase ea ho qeta khatello e tlaase le ea gale e tsoela pele ho feta sebakeng sa adsorption ea semathi, VOC ka khase ea ho qeta e khabisoa ke zeolite ea lebili le potolohang, ho tsoa ka ho toba ka mor'a ho bapatsoa le ho hloekisa;organic solvent adsorbed ke lebili e romelloa sebakeng sa desorption (nchafatso) ka ho potoloha ha lebili, Ebe ka moea o monyane oa mocheso oa moea o tsoelang pele ho pholletsa le sebaka sa desorption, VOC e hahelletsoeng lebiling e nchafatsoa sebakeng sa desorption, Khase ea ho ntša VOC e ntšoa hammoho le moea o chesang;Lebili le eang sebakeng se pholileng bakeng sa ho pholile ho pholile ho ka boela ha e-ba le adsorption, Ka ho potoloha kamehla ha lebili le potolohang, Adsorption, desorption, le potoloho ea pholileng e etsoa, Etsa bonnete ba hore ts'ebetso e tsoelang pele le e tsitsitseng ea phekolo ea khase ea litšila.
Sesebelisoa sa semathi sa zeolite ha e le hantle ke sekontiri, 'me khase ea mouoane e nang le solvent ea organic e arotsoe likarolo tse peli: moea o hloekileng o ka ntšoang ka kotloloho, le moea o tsosolositsoeng o nang le mokelikeli o phahameng oa organic.Moea o hloekileng o ka ntšoang ka ho toba 'me o ka sebelisoa hape ka har'a sistimi e pentiloeng ea moea o futhumatsang moea;khatello e phahameng ea khase ea VOC e ka ba makhetlo a 10 a khatello ea VOC pele e kena tsamaisong.Khase e kopantsoeng e phekoloa ka ho chesoa ha mocheso o phahameng ka mokhoa oa TNV recovery thermal incineration system (kapa lisebelisoa tse ling).Mocheso o hlahisoang ke ho chesoa ke ho futhumatsa kamore le ho futhumatsa zeolite ka ho latellana, 'me matla a mocheso a sebelisoa ka botlalo ho finyella phello ea ho boloka matla le ho fokotsa mocheso.
Ts'ebetso ea tekheniki le litšobotsi: sebopeho se bonolo, tlhokomelo e bonolo, bophelo bo bolelele ba ts'ebeletso;ho monya ho hoholo le bokhoni ba ho hlobola, ho fetola molumo oa moea o matla oa mantlha le khase ea litšila ea VOC e tlase hore e be bophahamo bo tlase ba moea le khase e matla ea litšila, ho fokotsa litšenyehelo tsa lisebelisoa tsa ho qetela tsa kalafo;khatello e tlase haholo, e ka fokotsa tšebeliso ea matla haholo;ho lokisoa ha sistimi ka kakaretso le moralo oa modular, o nang le litlhoko tse fokolang tsa sebaka, le ho fana ka mokhoa o tsoelang pele le o sa laoleheng oa taolo;e ka fihlela boemo ba naha ea mosi;adsorbent e sebelisa zeolite e sa cheng, ts'ebeliso e bolokehile;bothata ke matsete a nako e le 'ngoe a nang le litšenyehelo tse phahameng.
Nako ea poso: Jan-03-2023
