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Sebaka sa Decanter Centrifuge
Sehlahisoa Tšobotsi
Theknoloji ea boto ea BD
Theknoloji ea "spiral conveyor" ea BD plate ke e 'ngoe ea litheknoloji tse tsoetseng pele haholo tsa ho fokotsa mongobo le ho ntlafatsa ho hlaphoheloa ho tiileng ha seretse se kentsoeng. E ka ntlafatsa bokhoni ba ts'ebetso ea decanter centrifuge, ea fokotsa mongobo oa sediment, ea ntlafatsa sekhahla se tiileng sa ho hlaphoheloa, metsi a hlakileng a hlakileng haholoanyane. Ha e bapisoa le li-centrifuge tse tloaelehileng, e na le lebelo le tlase la ho sebetsa, tšebeliso e fokolang ea matla, hape e ka boloka tšebeliso ea meriana le ho fokotsa litšenyehelo tsa ts'ebetso ea lisebelisoa.
Tšireletso e khahlanong le ho apara le ho thibela ho bola
Decanter centrifuge ea rona ke sesebelisoa se phahameng sa ts'ebetso se ka sebelisoang mekhoeng e sa tšoaneng ea theknoloji. Ka mefuta e mengata ea likopo ka nako e ts'oanang, re boetse re nahana ka botlalo hore decanter centrifuge e bonolo ho apara mathata. 'Me ts'ebeliso ea litlhophiso tse lebisitsoeng tse khahlanong le ho apara, fokotsa ho apara, ho lelefatsa bophelo ba tšebeletso, ho fokotsa litšenyehelo tsa tlhokomelo. Ka ho khetha decanter centrifuge, o tla fumana karohano e sebetsang le e tsitsitseng ea centrifugal ntle le ho fetola likarolo khafetsa.
Molao-motheo o sebetsang oa mochini oa screw decanter centrifuge
Mabapi le lits'ebetso tsa ts'ireletso ea tikoloho, li-decanter centrifuges haholo-holo li bua ka ho ntšoa ha metsi a litšila a hlahisoang nakong ea ts'ebetso ea likhoerekhoere tsa indasteri le tsa sechaba. Mathata a kajeno a tikoloho a fetohile taba eo batho ba amehileng ka eona lefatšeng ka bophara. Tabeng ena, boleng ba decanter centrifuge bo bontšitsoe. Nakong e fetileng, limela tsa likhoerekhoere kapa libaka tsa ho hloekisa li 'nile tsa sebelisa mochine oa ho itšeha kapa oa ho hloekisa lebanta ho ntša metsi le ho tsepamisa matla a litšila. Mokelikeli oa mongobo o tsoang ho 98% ho ea ho 80%, molumo oa oona o ka fokotsoa ka makhetlo a 10, ka lebaka la sena, decanter sedimentation centrifuge ka lebaka la matla a eona a ho sebetsa, ts'ebetso e ikemetseng, phello e ntle ea ho felloa ke metsi 'meleng le litšobotsi tse ling, tšimong ea ts'ireletso ea tikoloho e' nile ea sebelisoa haholo le ho khothaletsoa. Thekiso ea sehlahisoa se le seng sa Screw Decanter centrifuge e bile halofo ea lihlahisoa tsohle tsa centrifuge, e beha boemo ba eona bo ke keng ba nkeloa sebaka. Screw Decanter centrifuge e ratoa bakeng sa lisebelisoa tsa ho hloekisa likhoerekhoere.
Horizontal screw centrifuge ke mofuta oa ho theola le ho lokisa decanter centrifuge, e sutumetsoang boema-kepe ba ho ntša slag pheletsong e nyane ea moqomo ka lehare holim'a spiral pusher, 'me karolo ea mokelikeli e tšoloha ka lesoba le khaphatsehang pheletsong e kholo ea moropa. Potoloho ena e tsoela pele ho fihlela sepheo sa karohano e tsoelang pele.
Molao-motheo oa ts'ebetso oa screw decanter centrifuge ke ts'ebetso ea bohlokoa bakeng sa ho arola lintho tse tiileng ho tsoa ho maro liindasteri tse fapaneng. Ts'ebetso ena e sebetsang hantle le e sebetsang e bohlokoa bakeng sa ho ntša metsi a litšila, taolo ea litšila le lits'ebetso tse ling tsa indasteri.
Molao-motheo oa ts'ebetso oa spiral decanter centrifuge ke centrifugal sedimentation, e sebelisang motsoako oa lebelo le phahameng le lebelo le fapaneng ho arola likaroloana tse tiileng ho metsi. Li-motor tse ka sehloohong le tse thusang tsa decanter centrifuge li khanna moropa le phapang ka lebanta, e le hore moropa oa centrifuge le "screw conveyor" li potolohe ka tsela e tšoanang ka phapang e itseng ea lebelo.
Ha mokelikeli o moferefere o kena ka phaposing ea phepelo ea spiral, o fetela ka har'a phaposi ea meropa tlas'a ts'ebetso ea centrifugal. Moropa o potolohang ka lebelo le phahameng o kopanya likaroloana tse tiileng le maro a mefuta e fapaneng ea ho teteana, ho etsa lera le tiileng la metsi a annular leboteng le ka hare la moqomo. Likaroloana tse thata tse teteaneng li lula haufi le lebota le ka hare la moropa, li etsa lera la sediment.
Ka mor'a moo, lintho tse tiileng tse ka har'a sediment lera li sutumelletsoa karolong ea cone ea moropa tlas'a ts'ebetso ea li-blade tse bilikang tse fetisang bakeng sa ho petetsa le ho felloa ke metsi ho eketsehileng. Mokhahlelo o tiileng oa dehydrate o ntšoa ka har'a moqomo ka boema-kepe ba ho ntša metsi, 'me karolo ea mokelikeli e ntšoa boema-kepe bo bongata ka sefe. Ka ho laola boemo ba kou e khaphatsehang, botebo ba letamo la metsi bo ka laoloa ho fihlela litlhoko tse khethehileng tsa karohano.
Setsi sa spiral decanter centrifuge se fana ka mokhoa o sebetsang oa ho ntša metsi a litšila, ho fana ka tharollo bakeng sa ho phekola le ho lahla litšila tsa indasteri le metsi a litšila. Ho feta moo, e ka sebelisoa bakeng sa ho hlakisoa ha lintho tse metsi liindastering tse kang lijo le lino, meriana le ts'ebetso ea lik'hemik'hale. Ho sebelisa spiral decanter centrifuge ho ka fokotsa haholo palo ea litšila le ho ntlafatsa ts'ebetso ea taolo ea litšila ka kakaretso, ea e etsa sesebelisoa sa bohlokoa bakeng sa lits'ebetso tse fapaneng tsa indasteri.
Sebopeho sa lisebelisoa tsa screw decanter centrifuge
Ka kakaretso, decanter centrifuge e na le litšobotsi tsa sebopeho sa compact, ts'ebetso e tsoelang pele, ts'ebetso e tsitsitseng le ho ikamahanya le maemo ho matla, le matla a maholo a tlhahiso, tlhokomelo e bonolo, phello e ntle ea dehydration, kahoo e sebelisoa haholoanyane le ho feta tšimong ea ts'ireletso ea tikoloho.
Leha litlhaloso tse fapaneng kapa mefuta ea screw e otlolohileng e tsoang ho bahlahisi ba fapaneng e na le sebopeho se fapaneng sa lisebelisoa, lisebelisoa tsa lisebelisoa, litlhaloso le mochini oa tokiso ea ts'ebetso, empa molao-motheo oa lisebelisoa o ts'oana. Nka lisebelisoa tsa Alfa Laval, tse sebelisoang haholo indastering, joalo ka mohlala, ho etsa kenyelletso e bonolo ho uena, e le ho nolofatsa ts'ebeliso e ntle le tokiso ea basebelisi ba tšimo.
Moropa oa Rotary
Karolo ea mantlha ea screw decanter centrifuge ke moropa. Sebopeho sa eona se ka hare se entsoe ka likarolo tse peli: khetla ea cylindrical le propeller ea ka hare ea screw. Sebaka sa moropa se kopana le sefofane se rapameng, 'me moropa o na le mokelikeli o arohaneng o tsoakiloeng, mokelikeli o emisitsoeng kapa lintho tse tiileng tse emisitsoeng tse lokelang ho aroloa.
Screw propeller conveyor
The screw propeller conveyor e tsitsitse ka har'a moqomo, 'me mosebetsi oa eona o moholo ke ho sutumetsa thepa hore e aroloe sebakeng sa karohano ea lebelo le phahameng e hlahisoang ke matla a centrifugal. Ka ho tsoela pele ho sutumetsa thepa, "screw propeller" e ka etsa hore phello ea karohano e be bonolo le ho feta.
Tanka ea pokello ea metsi
Tanka ea pokello ea metsi e kenngoa ka tlaase ho moqomo, 'me mosebetsi oa eona ke ho amohela le ho bokella mokelikeli o hloekileng o arohaneng. Lebokose la pokello le na le mokoti oa drain ho ntša mokelikeli o hloekileng ebe o o romela ts'ebetsong e latelang.
Likarolo tse ling le likarolo
Ntle le likarolo tse tharo tse kaholimo, decanter centrifuge e na le likarolo tse ling tse hlokahalang, joalo ka motor, reducer, bearing, foreimi ea tšehetso joalo-joalo. Likarolo tsena li sebetsa 'moho ho netefatsa ts'ebetso e tloaelehileng le ts'ebetso e nepahetseng ea decanter centrifuge.
Ho akaretsa, decanter centrifuge ke sesebelisoa sa karohano se sebelisoang ho pharaletseng, ka moqomo o ka hare, sekoti propeller le lebokose la pokello ea mokelikeli le likarolo tse ling tsa khokahano e nepahetseng, e ka tsoakoa ka metsi, ho emisoa kapa ho emisa karohano e tiileng ea mokelikeli o hloekileng kapa o tiileng, o ka sebelisoa masimong a mangata ho kenyelletsa ts'ireletso ea lik'hemik'hale, meriana le tikoloho.
Litšobotsi tsa screw decanter centrifuge
Litšobotsi tsa sebopeho sa spiral decanter centrifuge li phetha karolo ea bohlokoa ts'ebetsong ea eona e nepahetseng le ts'ebetsong. Litšobotsi tsena li etsa qeto ea ho sebetsa le ho tšoarella ha mochine ha ho arola lintho tse tiileng ho tloha ho metsi ka mekhoa e fapaneng ea indasteri. Ka tlase ke tse ling tsa likarolo tsa bohlokoa tsa sebopeho sa spiral decanter centrifuge e kenyang letsoho ts'ebetsong ea eona le ho ts'epahala.
1.Likarolo tse ka sehloohong tse kang drum e potolohang ea spiral decanter centrifuge e entsoe ka tšepe e sa tsitsang e sa tsitsang. Sena se etsa bonnete ba hore mochini o phela nako e telele 'me o o nolofalletsa ho mamella ho senyeha ha lisebelisoa le lits'ebetso tse ngata tsa indasteri. Tšebeliso ea tšepe e sa hloekang e boetse e thusa ho boloka bohloeki le bohloeki ba metsi a arohaneng, ho etsa hore e loketse liindasteri tse kang lijo le seno, phekolo ea meriana le metsi a litšila.
2. The conveying screw ea spiral decanter centrifuge e nka mehato e khethehileng ea ho thibela ho apara. Lera le sireletsang la carbide le ka tšeloa ka sesepa-welded kapa la kenngoe ka lipampiri tse thibelang li-carbide ho netefatsa hore li ka mamella ho roala ha likaroloana tse tiileng nakong ea ho arohana. Tšobotsi ena e eketsa nako e telele le bophelo ba tšebeletso ea mochine, ho fokotsa tlhokahalo ea ho lokisoa khafetsa le likarolo tse ncha.
3. Ntho e 'ngoe ea bohlokoa ea mochine ona ke karolo ea eona e kholo ea likarolo le lebelo le phahameng la ho potoloha. Sebopeho sa drum cone ka li-angles tse fapa-fapaneng se ka arola ka katleho lintho tse tiileng le metsi, ho etsa hore thepa e arohaneng e fihle bohloeki bo phahameng. Bokhoni bona bo molemo haholo bakeng sa liindasteri tse hlokang karohano e nepahetseng le e sebetsang hantle, joalo ka merafo, oli le khase, le tokiso ea tikoloho.
4. Li-spiral decanter centrifuges li na le li-pinwheels tse boima, tse phahameng tsa cycloidal, lipolanete tsa lipolanete kapa li-hydraulic differentials ho fana ka matla a hlokahalang le torque bakeng sa ts'ebetso ea tsona. Sena se etsa bonnete ba hore mochine o khona ho sebetsana le mefuta e sa tšoaneng ea lisebelisoa le litekanyetso tsa phallo, ho etsa hore o feto-fetohe le ho ikamahanya le litlhoko tse fapaneng tsa indasteri.
5. Mochine o na le mochine o laolang microcomputer o ka khonang ho fetola lebelo le torque ka tsela e iketsang ho latela liphetoho tsa mahloriso a thepa le sekhahla sa phallo. Boemo bona ba ho iketsetsa boits'oaro ha bo etse feela hore mokhoa oa ho arohana o atlehe haholoanyane empa hape o fokotsa tlhokahalo ea ho kenella ka letsoho, ka hona ho eketsa tlhahiso ea kakaretso ea mochine.
6. Ho phaella moo, ka lebaka la tšebeliso ea centrifuge e otlolohileng ea spiral sedimentation e nang le poleiti ea BD, mochine o etselitsoe ho sebetsana le likarolo tse sa tšoaneng tsa lisebelisoa tse thata ho arola ka sedimentation ea mantlha le sludge e entsoeng. Mosebetsi ona o nolofalletsa mochine hore o tsepamise maikutlo, o felise metsi 'me o arole lisebelisoa tse sa tšoaneng, o etsa hore o tšoanelehe bakeng sa liindasteri tse nang le litlhoko tse rarahaneng tsa karohano.
Ka kakaretso, likarolo tsa sebopeho sa screw decanter centrifuge, tse kang tšebeliso ea lisebelisoa tse thibelang ho bola, mehato e khahlanong le ho roala, lebelo le phahameng la ho potoloha, phetisetso e boima le mekhoa ea ho laola e ikemetseng, e etsa hore e be tharollo e ka tšeptjoang le e sebetsang hantle. Ho arola lintho tse tiileng ho tsoa ho lino ka mefuta e fapaneng ea ts'ebeliso ea indasteri. Ho feto-fetoha ha eona le bokhoni ba ho sebetsana le mefuta e mengata ea lisebelisoa le maemo ho etsa hore e be letlotlo la bohlokoa ho liindasteri moo karohano e nepahetseng le e sebetsang e leng ea bohlokoa mesebetsing ea bona.
Decanter mofuta oa centrifugal dehydrator parameters lintlha
1. Boholo ba bokhoni ba ho sebetsa
Bokhoni bo boholo ba ho sebetsa bo bolela palo e kholo ea mokelikeli o ka sebetsoang ke "screw centrifugal dehydrator" tlas'a ts'ebetso e tsitsitseng. E lekanyelitsoe ke ho qaptjoa le ho etsoa ha li-dehydrators tsa centrifugal, ka kakaretso, matla a mangata a ho sebetsa a horizontal screw centrifugal dehydrators a pakeng tsa 1000L / h le 20000L / h.
2. Ntlha ea ho arohana
Karolo ea karohano ke e 'ngoe ea liparamente tsa bohlokoa tsa ho lekanya phello ea karohano ea mochini oa ho tlosa metsi oa screw centrifugal, o tsejoang hape e le centrifugal acceleration (g boleng), e khethoang ke lebelo le sebopeho sa lehare la spiral. Ha karolo ea karohano e le kholoanyane, phello ea karohano e betere, empa e boetse e bolela hore litšenyehelo tsa thepa le litšenyehelo tsa tlhokomelo le tsona li phahame. Ha re bua ka kakaretso, karolo ea karohano ea mochini o holisang metsi oa sekoti sa centrifugal o pakeng tsa 800 le 3000.
3. Lebelo
Lebelo ke e 'ngoe ea likarolo tsa bohlokoa tsa mochini oa decanter centrifugal dewatering, o amang matla a centrifugal le phello ea kalafo. Ha re bua ka kakaretso, lebelo la mochini o tlotsang metsi oa screw type centrifugal o pakeng tsa 2500rpm le 4500rpm.
4. Matla
Matla ke matla a sebelisoang ke decanter centrifugal dehydrator, hape ke e 'ngoe ea lintlha tsa bohlokoa tsa ho lekola lisebelisoa. Ka kakaretso, matla a decanter centrifugal dehydrator a pakeng tsa 4kW le 22kW.
Sebaka sa ts'ebeliso:
Hobane horizontal screw centrifugal dehydrator e na le melemo ea katleho e phahameng ea karohano, taolo e felletseng ea boiketsetso, le phapang e kholo lipakeng tsa mekhahlelo e tiileng le ea metsi, e sebelisoa haholo liindastering tse ngata, joalo ka lik'hemik'hale, meriana, lijo, ts'ireletso ea tikoloho le masimo a mang. E khona ho sebetsana le mefuta eohle ea metsoako e tiileng ea metsi, haholo-holo lisebelisoa tse nang le likaroloana tse tiileng.
Lintlha:
Ha u sebelisa decanter centrifuge, lintlha tse latelang li lokela ho eloa hloko ho netefatsa ts'ebeliso e ntle ea ts'ebeliso:
1. Hloekisa "supernatant reflux tube" khafetsa ho netefatsa phallo e thellang ea mocha oa mokelikeli.
2. Hloekisa pompo ea screw screw kamehla ho fokotsa lintho tse tiileng tsa supernatant le ho fokotsa tekanyo ea ho roala ha centrifuge.
3. Khetha flocculant e loketseng, ho latela litšobotsi tsa sludge, sludge pH le flocculant concentration le lintlha tse ling tseo u lokelang ho li etsa qeto.
4. Fetola phapang ho etsa hore lebelo la moropa le sekontiri sa screw se fihle karolong e loketseng ho ntlafatsa phello ea karohano.
5. Kamehla hlahloba le ho boloka lisebelisoa ho netefatsa ts'ebetso e tloaelehileng ea likarolo tsohle.
Ka bokhuts'oanyane, li-centrifuge tsa decanter li arola likaroloana tse tiileng ho tsoa ho mokelikeli o kentsoeng ka meqomo e potolohang ka lebelo le holimo le li-screw conveyors. Nakong ea ts'ebeliso, hoa hlokahala ho ela hloko tlhokomelo le tokiso ea karolo e 'ngoe le e' ngoe, hammoho le khetho ea flocculant, e le ho finyella phello e ntle ea karohano.
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