Moelelo oa ho hloekisa, ts'ebetsong ea ho hloekisa metsi, ho hloekisa ka kakaretso ho bolela mokhoa oa ho boloka litšila tse emisitsoeng ka metsing ka lesela la lisebelisoa tse kang lehlabathe la quartz le anthracite, e le hore metsi a ka hlakisoa.Lisebelisoa tsa porous tse sebelisoang bakeng sa ho sefa li bitsoa filter media, 'me lehlabathe la quartz ke mokhoa o tloaelehileng oa ho hloekisa.Sesefa se na le granular, powdery le fibrous.Lisebelisoa tse sebelisoang ka tloaelo ke lehlabathe la quartz, anthracite, activated carbon, magnetite, garnet, ceramics, libolo tsa polasetiki, joalo-joalo.
Multi-media filter (filthara bethe) ke filthara e mahareng e sebelisang mecha ea litaba tse peli kapa ho feta joalo ka lera la sefe.Tsamaisong ea tsamaiso ea metsi e potolohang ea indasteri, e sebelisoa ho tlosa litšila ka har'a likhoerekhoere, oli ea adsorb, joalo-joalo, e le hore boleng ba metsi bo finyelle litlhoko tsa ho tsosolosoa..Mosebetsi oa ho hloekisa ke haholo-holo ho tlosa litšila tse emisitsoeng kapa tsa colloidal ka metsing, haholo-holo ho tlosa ka katleho likaroloana tse nyenyane le libaktheria tse ke keng tsa tlosoa ke theknoloji ea pula.BOD le COD le tsona li na le tekanyo e itseng ea phello ea ho tlosa.
Li-parameter tsa ts'ebetso li bontšoa tafoleng e latelang:
sebopeho sa sefe
Multimedia filter e entsoe haholo-holo ka 'mele oa sefe, lipeipi tse tšehetsang le valve.
'Mele oa sefa o kenyelletsa haholo likarolo tse latelang: Nolofalitsoe;likarolo tsa kabo ea metsi;likarolo tsa tšehetso;phala ea moea ea backwash;sefa thepa;
Motheo oa khetho ea sefe
(1) E tlameha ho ba le matla a lekaneng a mochine ho qoba ho senyeha ka potlako nakong ea ho hlatsoa mokokotlo;
(2) Ho tsitsa ha lik'hemik'hale ho molemo;
(3) Ha e na lintho tse kotsi le tse chefo bophelong ba motho, 'me ha e na lintho tse kotsi ho hlahisa le ho ama tlhahiso;
(4) Khetho ea lisebelisoa tsa ho sefa e lokela ho leka ho sebelisa lisebelisoa tsa sefa tse nang le matla a maholo a adsorption, bokhoni bo phahameng ba ho thibela tšilafalo, tlhahiso e phahameng ea metsi le boleng bo botle ba metsi a litšila.
Sefateng, majoana haholo-holo a bapala karolo ea tšehetso.Nakong ea ts'ebetso ea ho hloekisa, ka lebaka la matla a eona a phahameng, likheo tse tsitsitseng pakeng tsa e mong le e mong, le li-pores tse kholo, ho loketse hore metsi a fete ka har'a metsi a hloekisitsoeng hantle ka mokhoa o nepahetseng oa ho hlatsoa.Ka mokhoa o ts'oanang, ho hlatsoa mokokotlo Nakong ea ts'ebetso, metsi a ho hlatsoa mokokotlo le moea oa mokokotlo o ka feta hantle.Ka tlhophiso e tloaelehileng, majoana a arotsoe ka litlhaloso tse 'nè,' me mokhoa oa ho betla o tloha tlase ho ea holimo, oa pele o moholo ebe o monyenyane.
Kamano pakeng tsa boholo ba likaroloana tsa lisebelisoa tsa sefa le bophahamo ba ho tlatsa
Karo-karolelano ea bophahamo ba bethe ea filthara ho ea boholo ba karoloana ea lisebelisoa tsa filthara ke 800 ho isa ho 1 000 (tlhaloso ea moralo).Bophahamo ba karoloana ea lisebelisoa tsa sefa bo amana le ho nepahala ha filthara
Multimedia filter
Lisebelisoa tse ngata tsa mecha ea litaba tse sebelisoang ho hloekisa metsi, tse tloaelehileng ke: anthracite-quartz sand-magnetite filter, activated carbon-quartz sand-magnetite filter, activated carbon-quartz sand filter, quartz sand-ceramic filter Ema.
Lintlha tse ka sehloohong tse lokelang ho nahanoa moralong oa filthara ea filthara ea multimedia ke:
1. Lisebelisoa tse fapaneng tsa filthara li na le phapang e kholo ea letsoalo ho netefatsa hore ts'ebetso ea lihlopha tse tsoakiloeng e ke ke ea etsahala ka mor'a tšitiso ea backwashing.
2. Khetha thepa ea sefa ho ea ka morero oa tlhahiso ea metsi.
3. Boholo ba likaroloana bo hloka hore boholo ba karoloana ea lisebelisoa tse ka tlaase tsa sefe e nyenyane ho feta boholo ba karoloana ea lisebelisoa tse ka holimo tsa sefe ho netefatsa katleho le tšebeliso e feletseng ea lisebelisoa tse tlaase tsa sefe.
Ha e le hantle, ho nka mohlala oa bethe ea lihlopha tse tharo e le mohlala, karolo e ka holimo ea lisebelisoa tsa filthara e na le boholo ba likaroloana tse kholo ka ho fetisisa 'me e entsoe ka lisebelisoa tse khanyang tse nang le boima bo tlaase, tse kang anthracite le activated carbon;karolo e bohareng ea lisebelisoa tsa filthara e na le boholo ba likaroloana tse mahareng le boima bo mahareng, hangata bo entsoe ka lehlabathe la quartz;Sesefo se na le lisebelisoa tse boima tsa sefe tse nang le boholo bo nyane haholo le boholo bo boholo, joalo ka magnetite.Ka lebaka la khaello ea phapang ea density, khetho ea lisebelisoa tsa filthara ea filthara ea mecha ea litaba ea mekhahlelo e meraro e hlile e tsitsitse.Thepa e kaholimo ea filthara e bapala karolo ea tlhoekiso e mahoashe, 'me lisebelisoa tse ka tlase tsa filthara li bapala karolo ea ho sefa hantle, e le hore karolo ea bethe ea li-multi-media e phethoe ka botlalo, mme ho hlakile hore boleng ba mokelikeli bo betere ho feta moo. ea bethe ea sefe e le 'ngoe ea filthara.Bakeng sa metsi a nooang, tšebeliso ea anthracite, resin le lisebelisoa tse ling tsa filthara hangata e thibetsoe.
Sesefa sa lehlabathe sa quartz
Setlhopha sa lehlabathe sa quartz ke sefe se sebelisang lehlabathe la quartz joalo ka sesefe.E ka khona ho tlosa lintho tse tiileng tse emisitsoeng ka metsing, 'me e na le litlamorao tse hlakileng tsa ho tlosa li-colloid, tšepe, lintho tse phelang, chefo e bolaeang likokoanyana, manganese, libaktheria, livaerase le lintho tse ling tse silafatsang metsing.
E na le melemo ea ho hanyetsa ho hloekisa ho fokolang, sebaka se seholo se khethehileng, acid e matla le khanyetso ea alkali, khanyetso ea oxidation, PH ea kopo ea 2-13, ho hanyetsa ts'ilafalo e ntle, joalo-joalo Molemo o ikhethang oa quartz sand filter ke hore ka ho ntlafatsa sefahla lintho tse bonahalang le sefa Moqapi oa sefa o hlokomela ts'ebetso ea ho ikamahanya le maemo ea sefa, 'me thepa ea sefa e na le matla a ho ikamahanya le maemo a metsi a tala, maemo a ts'ebetso, ts'ebetso ea pele ho phekolo, joalo-joalo Tlas'a maemo a fapaneng a ts'ebetso, boleng ba metsi. metsi a litšila a tiisitsoe, 'me thepa ea filthara e qhalakanngoa ka ho feletseng nakong ea ho hlatsoa mokokotlo,' me phello ea ho hloekisa e ntle.
Sesefa sa lehlabathe se na le melemo ea lebelo la ho sefa ka potlako, ho nepahala ho holimo ho sefa, le bokhoni bo boholo ba ho kheloha.E sebelisoa haholo ho matla a motlakase, lisebelisoa tsa elektroniki, lino, metsi a pompo, petroleum, indasteri ea lik'hemik'hale, metallurgy, textile, papermaking, lijo, letamo la ho sesa, boenjiniere ba masepala le metsi a mang a sebetsang, metsi a malapeng, metsi a tsosolositsoeng le libaka tsa metsi a litšila.
Sefahla sa lehlabathe la quartz se na le litšobotsi tsa sebopeho se bonolo, taolo ea othomathike ea ts'ebetso, phallo e kholo ea ts'ebetso, linako tse fokolang tsa ho hlapa ka mokokotlo, ts'ebetso e phahameng ea ho sefa, khanyetso e tlase, le ts'ebetso e bonolo le tlhokomelo.
Sesefa sa khabone se kentsoeng
Sesefa se entsoe ka carbon, e sebelisetsoang ho tlosa 'mala, monko, masala a chlorine le lintho tse phelang.Mokhoa oa eona o ka sehloohong oa ts'ebetso ke adsorption.Activated carbon ke adsorbent ea maiketsetso.
Li-filters tsa k'habone tse kentsoeng li sebelisoa haholo molemong oa phepelo ea metsi a lapeng le metsi indastering ea lijo, indasteri ea lik'hemik'hale, matla a motlakase le liindasteri tse ling.Kaha khabone ea activated e na le pore e tsoetseng pele hantle le sebaka se seholo se ikhethileng, e na le matla a matla a ho tsebahatsa metsoako ea lintho tse phelang metsing, joalo ka benzene, phenolic compounds, joalo-joalo. lidae li tlosoa hantle.Sekhahla sa ho tlosoa ha plasma ea granular activated carbon bakeng sa Ag^+, Cd^2+ le CrO4^2- metsing e feta 85%.[3] Ka mor'a ho feta betheng e entsoeng ka carbon filter, metsoako e emisitsoeng ka metsing e ka tlaase ho 0.1mg/L, sekhahla sa ho tlosa COD hangata ke 40% ~ 50%, 'me chlorine ea mahala e ka tlaase ho 0.1mg/L.
Mokhoa oa ho hlatsoa mokokotlo
The backwashing ea filthara haholo-holo e bua ka hore ka mor'a hore sefe eo e sebediswe bakeng sa nako e itseng, lesela la lintho tse sefang le boloka le ho monya palo e itseng ea li-sundries le matheba, e leng ho fokotsang boleng ba litšila tsa sefe.Boleng ba metsi bo ntse bo mpefala, phapang ea khatello pakeng tsa liphaephe tse kenang le ho tsoa lia eketseha, 'me ka nako e ts'oanang, lebelo la ho phalla ha filthara e le' ngoe ea fokotseha.
Molao-motheo oa ho hlatsuoa ka morao: phallo ea metsi e fetela ka morao ho lera la lisebelisoa tsa filthara, e le hore sekhahla sa filthara se atolohe le ho emisa, 'me sekhahla sa lisebelisoa se hloekisoa ke matla a ho kuta a phallo ea metsi le matla a khohlano a likhohlano tsa likaroloana. hore litšila tse ka har'a sefa li arotsoe 'me li ntšoe ka metsi a hlapang ka morao.
Tlhokahalo ea ho hlatsoa mokokotlo
(1) Nakong ea ts'ebetso ea filthara, lintho tse tiileng tse emisitsoeng ka metsing a tala li bolokoa 'me li phatlalatsoa ke lera la lisebelisoa tsa filthara' me li tsoela pele ho bokelloa ka har'a lera la lisebelisoa, kahoo li-pores tsa lesela la filthara li koaloa butle ke litšila, 'me keke ea sefa. e thehoa holim'a lera la filthara, e hloekisa hlooho ea metsi.Litahlehelo li ntse li eketseha.Ha moeli o itseng o fihlile, lisebelisoa tsa filthara li hloka ho hloekisoa, e le hore lera la filthara le ka tsosolosa tshebetso ea lona ea ho sebetsa le ho tsoela pele ho sebetsa.
(2) Ka lebaka la keketseho ea tahlehelo ea hlooho ea metsi nakong ea ho sefa, matla a ho kuta a phallo ea metsi holim'a litšila tse adsorbed ka holim'a thepa ea sefa e ba kholoanyane, 'me likaroloana tse ling li fallela sebakeng se ka tlase tlas'a tšusumetso ea phallo ea metsi, e tla qetella e baka taba e emisitsoeng ka metsing.Ha litaba li ntse li eketseha, boleng ba metsi boa senyeha.Ha litšila li phunyeletsa lera la sefe, sefa se lahleheloa ke phello ea sona ea ho sefa.Ka hona, ho isa bohōleng bo itseng, lisebelisoa tsa filthara li hloka ho hloekisoa e le ho khutlisa matla a ho ts'oara litšila a lera la lisebelisoa tsa filthara.
(3) Ntho e emisitsoeng ka har'a likhoerekhoere e na le lintho tse ngata tse phelang.Ho boloka nako e telele ka har'a sethala sa filthara ho tla lebisa ho matlafatseng le ho ikatisa ha libaktheria le likokoana-hloko ka har'a sekhahla sa sefe, ho baka bobolu ba anaerobic.Sesefa se hloka ho hloekisoa khafetsa.
Taolo ea parameter ea backwash le boikemisetso
(1) Bophahamo ba ho ruruha: Nakong ea ho hlatsoa mokokotlo, e le ho etsa bonnete ba hore likaroloana tsa lisebelisoa tsa filthara li na le likheo tse lekaneng e le hore litšila li ka ntšoa ka potlako ho tloha mokelikeli oa filthara ka metsi, sekhahla sa ho atolosoa ha lesela la filthara e lokela ho ba kholoanyane.Leha ho le joalo, ha sekhahla sa katoloso se le seholo haholo, palo ea likaroloana ka har'a sesebelisoa sa filthara e fokotseha, 'me monyetla oa ho thulana ha likaroloana o fokotsehile, kahoo ha ho molemo ho hloekisa.Lisebelisoa tsa sefa se habeli, sekhahla sa katoloso ke 40%—-50%.Tlhokomeliso: Nakong ea ts'ebetso ea tlhahiso, bophahamo ba ho tlatsa le bophahamo ba ho atolosoa ha lisebelisoa tsa filthara li hlahlojoa ka mokhoa o sa reroang, hobane nakong ea ts'ebetso e tloaelehileng ea ho hlatsoa mokokotlo, ho tla ba le tahlehelo e itseng kapa ho roala ha thepa ea filthara, e hlokang ho tlatsoa hape.Sesefa se batlang se tsitsitse se na le melemo e latelang: ho netefatsa botsitso ba boleng ba metsi a hloekisitsoeng le phello ea ho hlatsoa mokokotlo.
(2) Bongata le khatello ea metsi a ho hlatsoa ka morao: Ka litlhoko tse tloaelehileng tsa moralo, matla a metsi a ho hlatsoa ka morao ke 40 m3 / (m2 • h), 'me khatello ea metsi a ho hlatsoa mokokotlo ke ≤0.15 MPa.
(3) Boima ba moea oa backwash le khatello: matla a moea oa backwash ke 15 m / (m • h), 'me khatello ea moea oa backwash ke ≤0.15 MPa.Tlhokomeliso: Nakong ea ts'ebetso ea ho hlatsoa mokokotlo, moea o kenang ka morao o bokelloa ka holim'a sefa, 'me boholo ba oona o lokela ho ntšoa ka valve ea ho qeta likoti tse peli.tlhahiso ea letsatsi le letsatsi.Hoa hlokahala ho hlahloba patency ea valve ea ho qeta khafetsa, e khetholloang haholo-holo ka tekanyo ea bolokolohi ba bolo ea valve holimo le tlaase.
Metsi a khase a kopantsoeng ka mokokotlo
(1) Hlatsoa ka moea pele, ebe u hlatsoa ka metsi ka morao: pele, theola boemo ba metsi a filthara ho limilimithara tse 100 ka holim'a bokaholimo ba lesela la sefe, u lumelle moea ka metsotso e seng mekae, ebe u hlatsoa ka metsi.E loketse li-filters tse nang le tšilafalo e boima ea holim'a metsi le tšilafalo e khanyang ka hare.
Tlhokomeliso: Valofo e lumellanang e tlameha ho koaloa sebakeng;ho seng joalo, ha boemo ba metsi bo theoha ka tlas'a bokaholimo ba lesela la sefe, karolo e ka holimo ea lera la sefe e ke ke ea kenngoa ke metsi.Nakong ea tšitiso ea holimo le tlaase ea likaroloana, litšila li ke ke tsa lokolloa ka katleho, empa li tla kenella ka hare ho lera la filthara.suthisa.
2Moea o etsa li-bubble tse kholo ka har'a lehlabathe nakong ea ts'ebetso e ntseng e phahama, 'me o fetoha li-bubble tse nyane ha o kopana le lisebelisoa tsa sefe.E na le phello ea ho phunya holim'a thepa ea sefa;backwashing metsi top lepolla filthara lera, e le hore filthara lintho tse bonahalang e fanyehiloe, e leng molemo ho scrubbing moea filthara lintho tse bonahalang.Liphello tsa ho atolosoa ha metsi a backwash le moea oa backwash li phahame ho tse ling, tse matla ho feta ha li etsoa li le mong.
Tlhokomeliso: Khatello ea backwash ea metsi e fapane le khatello ea backwash le matla a moea.Tlhokomelo e lokela ho lefshoa taelong ea ho thibela metsi a hlatsuoang ka morao ho kena ka phaepeng ea moea.
(3) Ka mor'a hore metsi a kopantsoeng le moea a phethiloe, emisa ho kena moeeng, boloka ho phalla ho tšoanang ha metsi a ho hlatsoa ka morao, 'me u tsoele pele ho hlatsoa metsotso ea 3 ho ea ho 5 min, li-bubble tsa moea tse setseng betheng ea sefe li ka tlosoa.
Maikutlo: U ka ela hloko boemo ba valve ea ho qeta likoti tse peli holimo.
Tlhahlobo ea Lisosa tsa ho Filter Material Hardening
(1) Haeba litšila tse ts'oaretsoeng holim'a lera le ka holimo la filthara li ke ke tsa tlosoa ka katleho ka nako e itseng, ts'ebetsong e latelang ea backwashing, haeba kabo ea moea oa backwashing e sa tšoane, bophahamo ba ho atolosa bo tla ba bo sa tšoaneng.Ho phunya moea oa ho hlatsoa, moo matla a ho senya e leng nyenyane, litšila tse kang matheba a oli holim'a lisebelisoa tsa sefa li ke ke tsa tlosoa ka katleho.Ka mor'a hore potoloho e latelang e tloaelehileng ea ho hloekisa metsi e sebelisoe, mojaro oa sebaka seo o eketseha, litšila li tla teba ho tloha holimo ho ea ka hare, 'me li-pellets li tla eketseha butle-butle.e kholo, 'me ka nako e ts'oanang e atolose botebong ba ho tlatsa sefahla ho fihlela filthara eohle e hloleha.
Maikutlo: Ts'ebetsong ea 'nete, ts'ebetso ea moea o sa lekaneng oa ho hlatsoa mokokotlo hangata e etsahala, haholo-holo ka lebaka la ho phunyeha ha phala e ka tlaase ea moea, ho thibela kapa ho senyeha ha sekoahelo sa sebaka sa ho hloekisa, kapa ho senyeha ha sebaka sa marang-rang sa marang-rang.
(2) Likaroloana tsa lisebelisoa tsa filthara holim'a sethala sa filthara li nyane, ho na le menyetla e fokolang ea ho thulana nakong ea ho hlatsuoa ka mokokotlo, mme lebelo le nyane, ka hona ha ho bonolo ho hloekisa.Likaroloana tsa lehlabathe tse khomaretsoeng li bonolo ho etsa libolo tse nyane tsa seretse.Ha lera la sefene le hlophisoa bocha ka mor'a ho hlatsuoa ka mokokotlo, libolo tsa seretse li kena karolong e ka tlaase ea lisebelisoa tsa sefe 'me li fallela botebong ha libolo tsa seretse li ntse li hōla.
(3) Oli e ka metsing a tala e qabeletsoe ka sefeng.Ka mor'a ho hlatsoa mokokotlo le karolo e setseng, e bokella ha nako e ntse e ea, e leng eona ntho e ka sehloohong e lebisang ho thatafala ha thepa ea filthara.Nako ea ho hlatsoa mokokotlo e ka khethoa ho ea ka litšoaneleho tsa boleng ba metsi a metsi a tala le litlhoko tsa boleng ba metsi a litšila, ho sebelisoa mekhoa e kang ho lahleheloa ke hlooho e fokolang, boleng ba metsi a litšila kapa nako ea ho hloekisa.
Litlhokomelo bakeng sa ts'ebetso ea filthara le mekhoa ea ho amohela
(1) Mamello e tšoanang pakeng tsa phallo ea metsi le poleiti ea filthara e hlokahala hore e se ke ea feta 2 mm.
(2) Boemo le ho se lekane ha poleiti ea filthara ka bobeli li ka tlase ho ± 1.5 mm.Sebopeho sa poleiti ea filthara se amohela ts'ebetso e ntle ka ho fetisisa ka kakaretso.Ha bophara ba cylinder bo le boholo, kapa bo thibetsoe ke thepa e tala, lipalangoang, joalo-joalo, ho ka sebelisoa li-lobed tse peli.
(3) Kalafo e utloahalang ea likarolo tse kopanetsoeng tsa poleiti ea filthara le silinda e bohlokoa ka ho khetheha bakeng sa sehokelo sa ho hlatsoa moea.
① Bakeng sa ho tlosa lekhalo la radial lipakeng tsa poleiti ea filthara le silinda e bakiloeng ke liphoso ts'ebetsong ea poleiti ea filthara le ho kolobisoa ha silinda, poleiti ea selikalikoe ea arc hangata e entsoe ka karolo ka karolo.Likarolo tsa ho ikopanya li tlameha ho chesetsoa ka botlalo.
②Mokhoa oa kalafo oa ho hlakola phala e bohareng le poleiti ea filthara e tšoana le e kaholimo.
Maikutlo: Mehato e ka holimo e tiisa hore ho hloekisa le ho hlatsoa mokokotlo ho ka fetisoa feela ka lekhalo pakeng tsa sekoti kapa pipe ea ho ntša metsi.Ka nako e ts'oanang, ho lumellana ha kabo ea li-backwashing le mechine ea ho sefa ho boetse ho tiiselitsoe.
(4) Phoso ea radial ea likoti tse entsoeng ka har'a poleiti ea filthara ke ± 1.5 mm.Keketseho ea boholo ba ho lekana pakeng tsa molamu oa tataiso oa sekoaelo sa sefe le lesoba la sefefo ha se lokele ho kenya kapa ho lokisa sekoahelo sa sefe.Ho sebetsa ka mekoting ho tlameha ho etsoa ka mochini
(5) Thepa ea sekoahelo se sefang, nylon ke eona e ntle ka ho fetisisa, e lateloa ke ABS.Ka lebaka la thepa ea filthara e kentsoeng karolong e ka holimo, mojaro oa extrusion holim'a sekoaelo sa sefahla o moholo haholo, 'me matla a hlokahala hore a be holimo ho qoba deformation.Libaka tsa ho kopana (ka holimo le tse ka tlaase) tsa sekoahelo sa sesefe le poleiti ea sefa li tla fanoa ka liphahlo tse rekere tsa rabara.
Nako ea poso: Jun-20-2022