I-Horizontal Screw Decanter Centrifuge Yokuhlukanisa Uwoyela Oqinile Wamanzi
2024-10-30
Ukusetshenziswa komshini wokukhipha amanzi we-screw centrifugal ekuhlanzeni indle yezimboni
Ukwahlukaniswa: Uhlelo lokwelapha iphunga
Igama lemboni: Ipulazi lokuzalanisa
Indawo yokukhiqiza ukungcoliswa komoya ngephunga: indawo yokuzalela, indawo yokuhlanza ubulongwe (isiteshi)
Ukwakheka kwegesi exhaust: ammonia, hydrogen sulfide, njll
Ukusebenza kokuhlanza igesi exhaust: 90%
Inqubo yokwelapha iphunga: umbhoshongo wokuqeda iphunga kwezinto eziphilayo
Iyini i-decanter evame ukusetshenziselwa?
I-decanter centrifuge ingagcina izinhlayiya eziqinile odakeni ngemva kokuzinza ngaphandle kokugeleza kuwo wonke umzimba, futhi ingaklwejwa ngokuqondile yi-screw conveyor eduze nendawo yokufaka udaka. Endaweni yokuhlala yesigubhu, i-spiral blade ye-screw conveyor ithatha ifomu leribhoni, elinciphisa umphumela wokuphazamiseka wesikulufu oketshezini lokuhlukanisa. Umphumela wokuhlukanisa uthuthukisiwe. I-groove icutshungulwa odongeni lwangaphakathi lwesigubhu ukuvimbela ukuguga komzimba ovunguzayo kanye ne-blade, futhi i-carbide block ene-cemented ifakwe engxenyeni yodaka ye-spiral blade; Imbobo yesikulufu sokuphakelayo kanye ne-drum slag outlet ifakwe umkhono oqinile wealloy oshintshwayo ukuze kuthuthukiswe ukumelana nokugqokwa. I-Decanter centrifuge inokumelana okuhle nokugqokwa nempilo ende yesevisi. Ipuleti le-centrifuge intercept lifakwa ekushintsheni phakathi kwengxenye ezungezayo eqondile kanye nengxenye yekhoni, ukuze isigaba esiqinile siphinde sicindezelwe futhi isigaba esiqinile some. Ukujula kwechibi le-liquid kujulile, futhi isigaba samanzi sithatha isikhathi eside ukucacisa esigubhu.
I-flow plate ye-decanter centrifuge ifakwe ku-screw end spindle ohlangothini olungaphakathi lwekhava yokuphela kokukhipha amanzi. Kuyisakhiwo sediski, futhi isikhungo sihlinzekwa ngembobo yokuphotha yokuphotha, futhi iqoqo lezimbobo zokugeleza zivulwa ngokulinganayo eduze kwembobo yokuphotha yokuphotha. Ingagwema izinhlayiya ezimbalwa eziqinile lapho isigaba samanzi sikhishwa, futhi uketshezi lucacile. Isigaba esiqinile esingahlali phansi sizophinde sivunguzelelwe endaweni ye-slag, futhi izinga lokutholwa kwesigaba esiqinile liphezulu. Ngokuyisisekelo shintsha izindlela zokwelapha zamanje nezasemuva, uthuthukise ukusebenza kahle kokwelashwa, unciphise izindleko zokwelashwa, uvikele indawo yasemadolobheni, futhi uzuze ukwakhiwa okuphucuzekile esizeni. Ingakwazi ukulungisa ngokuphumelelayo nangesikhathi esifanele isivinini esihlukile ukuze kuqinisekiswe umphumela wokuhlukanisa ozinzile we-decanter centrifuge. Isigubhu esijikelezayo esinesivinini esikhulu sifakwe isikulufu sokuphakelayo, esizungeza ngendlela efanayo nesigubhu, kodwa umehluko wejubane phakathi kwakho kokubili ukhiqizwa umehluko. Ukumiswa kungena emshinini kusuka epayipini lokuphakelayo. Ngaphansi kwesenzo samandla e-centrifugal, isigaba esiqinile sokumiswa sixazululwa odongeni lwangaphakathi lwesigubhu.
Umgomo wokukhipha amanzi we-decanter centrifuge
Umshini wokukhipha amanzi wesikulufa ovundlile we-centrifugal ikakhulukazi wakhiwe isigubhu, isikulufu, umehluko, imbobo yokuphakelayo, indawo yokukhipha amanzi yesigaba esiwuketshezi, indawo yokuphuma yesigaba esiqinile, i-baffle yezinga loketshezi, isistimu yokushayela kanye nesistimu yokulawula.
Umgomo wokuhlukanisa we-decanter centrifuge ukusebenzisa amandla adonsela phansi ahlukene namandla e-centrifugal wezinto ezibonakalayo ukuhlukanisa okuqinile noketshezi. Umgomo othize wokusebenza umi kanje: 1. Ingxube yoketshezi oluqinile okufanele ihlukaniswe ithunyelwa kusilinda esijikelezayo se-decanter centrifuge ngesiphakamisi sesikulufu. 2. Uma i-cylinder ejikelezayo ijikeleza ngesivinini esikhulu, impahla ihlukaniswa ngamandla e-centrifugal. Izinto ezisindayo zifakwa odongeni lwesilinda bese ziwe phansi ukuze zenze ungqimba lwangaphakathi lwegobolondo, kuyilapho okokusebenza okukhanyayo kundizela kungqimba lwangaphakathi lwegobolondo eliyi-centrifugal ngaphansi kwesenzo samandla e-centrifugal. 3. Izinhlayiya eziqinile zihamba eduze kwe-screw conveyor ziye endaweni yokuphuma futhi zikhishwe nge-outlet eqinile, kuyilapho uketshezi oluhlanziwe lukhishwa endaweni yoketshezi ephakathi nendawo. Isimiso sokusebenza se-decanter centrifuge silula futhi kulula ukusiqonda, futhi imishini inezinhlobonhlobo zezicelo, ezingasetshenziswa embonini yamakhemikhali, imithi, ukudla, ukuvikelwa kwemvelo kanye neminye imikhakha. Ngasikhathi sinye, imishini inokusebenza kahle okuphezulu kanye nomphumela omuhle wokuhlukanisa, ngakho-ke ithandwa yimboni.
Ukukhethwa kohlobo nokuhlaziywa kwepharamitha yesakhiwo somshini wokukhipha amanzi we-decanter centrifugal
1. Izici ze-sludge yezimboni
Amanzi angcolile ezimbonini (lapha ikakhulukazi abhekisela embonini yamakhemikhali, ukuphrinta nokudaya, ukwenziwa kwamaphepha namanye amanzi angcolile ezimbonini) aqukethe inani elikhulu le-fibre, ukungcola kwemishini, amakhemikhali ayizinsalela, njll. Ngesikhathi sokuhlanzwa kwangaphambili kwamanzi angcolile, amabhizinisi okukhuculula indle azoba yingxenye yokungcola okutholakalayo okushiywe odaka, ngokusebenzisa ukuhlunga, ukukhishwa kwesihlabathi kanye nokunye. Ukungcola okusele, imicu namakhemikhali ayizinsalela kanye nokungcola kwemishini emanzini angcolile kukhishwa ngendle bese kugelezela endaweni eyodwa yokukhuculula indle.
Izici eziyinhloko zalolu hlobo lwe-sludge yezimboni yilezi:
(1) Okuqukethwe ukungcola okukhulu. Uma kuqhathaniswa nenani le-sludge elikhiqizwa indle yasekhaya yasemadolobheni, okuqukethwe kwefayibha kanye nokungcola kwemishini kukhulu, okulungele ukuthuthukisa ukusebenza kokukhipha amanzi kwe-sludge, futhi inani le-ejenti ye-flocculation lincane kakhulu. (2) Ukukhiqizwa kodaka okwengeziwe. Izinga le-SS lamanzi angenisa indle esitshalweni ngokuvamile lingama-800 ~ 1200mg/L, kanti inani lodaka olomile ngethani ngalinye lemikhiqizo yasemanzini lifinyelela ku-0.7 ~ 1.1 kg. (3) Kulula ukukhiqiza i-ammonia ne-hydrogen sulfide namanye amagesi agqwalayo. Ngenxa yokuthi izinto eziningi zokusetshenziswa zasezimbonini ziqukethe amakhemikhali nezinto eziphilayo, i-ammonia ne-hydrogen sulfide namanye amagesi azokhiqizwa lapho kubola, okugqwala kakhulu.
Ukukhetha umshini wokukhipha amanzi
Ngokwezici nezidingo zokuphatha ze-sludge, umshini wokukhipha amanzi we-decanter screw centrifugal onomklamo ohlangene, ukusebenza kahle kokuhlukana okuphezulu, ukuphakela okuzenzakalelayo okuqhubekayo kanye nomoya omuhle okhethiwe.
Ukuhlaziywa kwemingcele ebalulekile yesakhiwo
(1) Ububanzi besigubhu nobude obusebenzayo. Ububanzi kanye nobude obusebenzayo besigubhu bunquma indawo esebenzayo yokuthungatha udaka enqubweni yokukhipha amanzi nge-centrifugal, okuthinta ngqo umthamo wokwelapha wemishini. Umshini wokukhipha amanzi onobubanzi obukhulu nobude obude obusebenzayo besigubhu unendawo enkulu yokuhlala, eyandisa isikhathi sokuhlala sezinto ezisesigubhu, futhi umphumela wokuhlukanisa ungcono ngaphansi kwejubane elifanayo. Ngesikhathi esifanayo, umthamo wokuthutha we-screw slag wobukhulu besigubhu esikhulu. Ngaphansi komthamo ofanayo wokuthutha we-slag, i-centrifuge enobubanzi besigubhu esincane inejubane eliphansi elihlukile, elivumela ukwehlisa ukusetshenziswa kwamandla nokulahlekelwa kwemishini. (2) I-Engeli yekhoni yesigubhu. Ubukhulu be-drum i-half-cone Angle buthinta ngokuqondile isivinini sokuthutha i-slag kanye nomphumela wokuphelelwa amanzi emzimbeni womshini wokukhipha amanzi. Lapho uhlukanisa udaka lwamakhemikhali ezinto eziphilayo okunzima ukuhlukanisa (okunzima ukwehlukanisa olunye udaka), i-engeli yesigubhu sekhoni ngokuvamile isethwe phakathi kuka-6°, okusiza ekwandiseni ukujula kongqimba oluwuketshezi kanye nokuthuthukisa izinga lokubuyiswa kodaka. Uma kunenani elikhulu lemicu odakeni okufanele luhlukaniswe futhi udaka oluyisisekelo lubalelwa ku-60%, udaka kulula ukuhlukaniswa. I-Angle yesigubhu se-half-cone yemishini ikhethwa ukuthi ibe ngu-8 °, okulungele ukuthuthukisa ukusebenza kahle kokuthutha kwe-slag, kodwa i-Angle yesigubhu se-half cone ngokuvamile ilawulwa ngaphakathi kwe-10 °.
(3) Ijubane lesigubhu. Isivinini sokujikeleza sesigubhu sinquma ngokuqondile isici sokuhlukanisa. Uma kutholakala ukuthi umswakama wekhekhe lodaka uphakeme futhi umphumela wokuphulukisa umpofu, isivinini sokujikeleza kwesigubhu kufanele senyuswe ukuze kwandiswe amandla e-centrifugal ukuze kuthuthukiswe okuqukethwe okuqinile kwekhekhe lodaka. Kodwa-ke, ijubane lesigubhu akufanele libe likhulu kakhulu, ngaphandle kwalokho lizobhubhisa ama-sludge flocs, kodwa lithinte umphumela wokuphelelwa amandla kwamanzi. Ekusetshenzisweni okungokoqobo, kutholakala ukuthi ijubane lesigubhu elifaneleka kakhulu lingu-2200 ~ 2400r/min. (4) Ijubane elihlukile. Isivinini esihlukile isivinini esihlobene phakathi kwesigubhu nesidlulisi sesikulufu. Lapho ukugxila okuqinile kokuphakelayo komshini wokukhipha amanzi kukhulu noma kulingana no-3%, ijubane lokuhlukanisa kufanele lilungiswe ngendlela efanele, ukuze inzika ehlala odongeni lwangaphakathi lwesigubhu isheshe ikhishwe endaweni yodaka yesigubhu. Lapho ukugxila okuqinile kokuphakelayo komshini wokukhipha amanzi kungaphansi kuka-3%, ijubane lokuhlukanisa kufanele lincishiswe, isikhathi sokudilika kufanele sinwetshwe, futhi ubukhulu benhlabathi kufanele bukhuliswe, okusiza ekuthuthukiseni okuqukethwe okuqinile kwekhekhe lodaka kanye nezinga lokubuyisela udaka.
Izinkinga ezijwayelekile kanye nezinyathelo zokuphikisa ekuphathweni kokusebenza
1.Izinkinga ezijwayelekile ekuqaleni kokulungisa iphutha
(1) Imfucumfucu yokuhluza kanye nezinga eliphansi lokutholwa kodaka. Izinga lokubuyisela udaka lincike kakhulu ekugxilweni kwezinto eziqinile ezimisiwe ku-filtrate eqeda amanzi emzimbeni. Uma ukugxila kokuqinile okumisiwe kuphezulu, i-filtrate iba namafu. Ingxenye ye-sludge ayenzi ikhekhe lodaka, kodwa ikhishwa nge-filtrate futhi ibuyiselwe ohlelweni lokuqoqa indle, okunciphisa ukusebenza kahle kokwelashwa kodaka lomshini wokukhipha amanzi emzimbeni. Esigabeni sokuqala sokulungisa amaphutha emishini, ngaphezu kokucabangela ukuthi isilinganiso sodaka nesidakamizwa sinengqondo yini, kubalulekile futhi ukucabangela ukuthi ukuphakama kwezinga le-liquid baffle ku-centrifuge kufanelekile. Ukuphakama kwe-baffle yezinga le-liquid kuthinta ngokuqondile umthamo osebenzayo wokuxazulula we-centrifuge nobude bendawo yokomisa. Lapho ukujula kongqimba lwe-liquid esigubhu kuncane, izinhlayiya ezivulekile ebusweni bongqimba lwe-slag kulula ukukukhipha nge-liquid layer, futhi izinga lokubuyisela udaka liyancipha. Ngakho-ke, lapho isilinganiso sodaka nesidakamizwa sinengqondo futhi i-filtrate isaguqubele, i-baffle yezinga le-liquid ingakhuliswa ngokufanelekile ukuze wenze ukuphakama kwe-baffle kusondele nenani elibalulekile longqimba oluwuketshezi (ubude be-turbidity kanye nephoyinti lokuhlukanisa ungqimba lwe-liquid). Ngemva kokuthola imiphumela engcono, ezinye izinto zokusebenza zingalungiswa ngokushintshana.
(2) Impahla ivamise ukuvinjwa esigubhini. Isimo sokuvinjwa kwezinto ngokuvamile sivela esigubhu. Uhlobo olulodwa lokuvinjwa kwempahla lwenzeka ngesikhathi sokuqalisa kwezinto zokusebenza, okuvamise ukubangelwa i-alamu yokulayisha ngokweqile kwezimoto ngesikhathi sokuqalisa. Ngemva kokuhlolwa, kutholakala ukuthi kunodaka olomile uma kuqhathaniswa nesigubhu. Nweba isikhathi sokugeza ngesikhathi sokuvalwa okulandelayo kuze kube yilapho amanzi okuhlunga esecacile. Olunye uhlobo lokuxhuma lwenzeka ekusebenzeni, okuyinkinga yokusebenza eyenziwe ngumuntu, njengokugcwala okuphezulu kodaka lokuphakelayo, nokulawula okuphansi kwejubane elihlukile, okuholela ekubangeni kwenhlabathi okude, ungqimba lwentlenga oluminyene kakhulu, okuholela ekuxhumekeni kwesigubhu. Ngalesi sikhathi, iphutha lingaqedwa ngokwandisa isivinini sokuhlukanisa ukusheshisa isivinini sokulethwa kwe-slag. Kukhona futhi uhlobo lwezinto zokuxhuma okubangelwa ukuqoqwa kokungcola okuqinile ku-sludge yezimboni, njengemfucuza evamile yepulasitiki, ngoba ishidi lepulasitiki liguquguqukayo futhi akulula ukuphulwa ngomshini wokusika, nge-sludge ku-centrifuge, lizoxhunywa odongeni lwangaphakathi lwesigubhu, ukuqoqwa kwesikhathi eside kwe-pluging. Ukuze uxazulule izinkinga ezifanayo, umshini wokusika okuphakelayo ushintshwa kusukela ekusikeni kwe-extrusion kuya ekusikeni kwe-blade, futhi isembozo somshini sivulwa futhi sigezwe njalo, okunciphisa ngokuphumelelayo imvamisa yezinto zokuvimbela. Isihluthulelo sokuxazulula lolu hlobo lokuvinjelwa ukuvimbela amashidi epulasitiki ukuthi angangeni ku-sludge emthonjeni.
2.Izinkinga ezijwayelekile ekusebenzeni
Ama-Biodeodorization chambers anezinhlelo zokusebenza kuzo zonke izimboni nemikhakha eminingi, okuwenza abe yisixazululo esisebenza ngezindlela eziningi nesisebenzayo sokwelapha iphunga. Izinhlelo zokwelapha zebhayoloji ziya ngokuya zisetshenziswa ukuxazulula izinkinga zephunga ezimbonini ezahlukahlukene, okubandakanya ukukhiqizwa kwezimboni, ukulungiswa kwemvelo, ukukhiqizwa nokucubungula kwezolimo nezilwane, njll.
(1) Imvelo ye-feed sludge iyashintsha. Izinga lokubola kwe-sludge emanzini angcolile ezimboni linethonya elikhulu kuzakhiwo ze-sludge. Lapho okuqukethwe kwe-fiber odongeni kuphezulu, udaka kulula ukulukhipha emanzini, olunganciphisa umthamo we-flocculant futhi lwehlise ungqimba lwe-liquid baffle. Lapho i-fiber e-sludge imfushane (ivame ukuhambisana nokubola), i-sludge ine-viscosity ephezulu futhi akulula ukukhipha amanzi. Ngakho-ke, umthamo wokuphakelayo we-dehydrator kufanele uncishiswe ngokufanelekile, i-dilution multiple ye-ejenti kufanele inyuswe, futhi indawo yokuxhumana ye-sludge yezidakamizwa kufanele ithuthukiswe ukuze kuqinisekiswe umphumela wokuphelelwa amanzi emzimbeni. Ukushintshashintsha kwezinkathi zonyaka nokushintsha kwezinga lokushisa nakho kunethonya elikhulu kuzakhiwo zodaka. Ithonya elinjalo ngokuvamile lenzeka phakathi nokushintsha kwentwasahlobo nehlobo nasekwindla nobusika. Uma izinga lokushisa liphansi, ukukhokhiswa okungalungile kwe-sludge ecushiwe kungaphansi kwalokho lapho izinga lokushisa liphezulu, imfihlo ye-extracellular ye-sludge ecushiwe iqukethe izinto eziningi ze-viscous, i-sludge i-hydrophilic eyengeziwe, futhi ukucindezelwa kwe-sludge kuyancipha futhi kunzima ukuxazulula. Ngalesi sikhathi, umthamo wokuphakelayo womshini wokukhipha amanzi kufanele uncishiswe ngokufanele, isilinganiso se-dilution se-flocculant kufanele senyuswe, futhi usawoti wensimbi ungangezwa ku-sludge esondliwe ukuze ubhubhise i-viscosity ebusweni kanye ne-hydrophilicity ye-sludge, okusiza ukunciphisa ukumelana okuthile kwe-sludge nokuthuthukisa ukuhlunga kwamanzi.
(2) Ukusetshenziswa okungalungile kwe-flocculant. Esicini sokuqeda amanzi ngodaka, i-cationic polyacrylamide imvamisa isetshenziswa njenge-flocculant ukuze kuncishiswe ukumelana okuqondile kwe-sludge, ukuze udaka lube lula ukukhipha amanzi ngemuva kokuhlukana koketshezi oluqinile. Ukusetshenziswa ngendlela engafanele kwe-flocculant kuzoholela kumphumela omubi wokuqeda amanzi ngodaka, izinga eliphansi lokubuyiswa kodaka kanye nemfucuza yemithi. Lapho ukhetha i-polyacrylamide, izici ze-decanter centrifugal dehydrator kufanele zibhekwe ngokugcwele. Ekusebenzeni kwe-centrifuge, isigubhu sijikeleza ngesivinini esikhulu, ukuze uthole umphumela ongcono wokuhlukanisa amanzi odaka, isendlalelo sediphozi siminyene. Ngakho-ke, isisindo samangqamuzana e-polyacrylamide ngokuvamile asikho ngaphansi kwezigidi ezingu-10, kanti ionicity ingu-50% ~ 70%. Umthamo we-flocculant kufanele ube ngokulinganisela, futhi ukucaca kwamanzi okuhlunga akufanele kugcizelelwe ngokweqile. Umthamo owedlulele we-flocculant awuyona nje imfucuza engathi sína, kodwa futhi igwebu emanzini okuhlunga, okuletha ukuphazamiseka kubaphathi. Ngokuvamile, kunconywa ukulawula izinga lokubuyisela udaka cishe ku-95%, futhi umphumela wokuphelelwa amanzi emzimbeni kanye nesilinganiso se-flocculation singafinyelela esimweni esinengqondo ngalesi sikhathi. (3) Umthelela wegesi yokugqwala ezintweni zokusebenza. Ngenxa yamagesi agqwalayo afana ne-hydrogen sulfide ne-ammonia evame ukukhiqizwa ngesikhathi sokuqothula udaka lwezimboni, kuyingozi kakhulu ezingxenyeni zemishini, futhi isiguquli semvamisa, isikrini se-LCD, isilawuli nezinye izingxenye ohlelweni lokulawula i-centrifuge kulula ukwehluleka ngenxa yokugqwala. Kulokhu, uhlelo lokulawula i-centrifuge luhlukaniswe emshinini wokukhipha amanzi, futhi uhlelo oluhle lokuhlinzeka komoya olucindezelayo lwengezwe ekushintshanisweni komoya phakathi kwegumbi lokuzihlukanisa, elithole imiphumela emihle. Kuphakanyiswa ukuthi umthelela wegesi egqwalayo ezintweni zokusebenza kufanele ucatshangelwe ekwakhiweni kwegumbi lomshini wokukhipha amanzi, futhi umshini wokukhipha amanzi kanye nekhabhinethi yokulawula kufanele kubekwe emakamelweni ahlukene, okunganciphisa ukuhluleka kokugqwala kwemishini futhi kwandise impilo yemishini.
Isiphetho
(1) Umshini wokukhipha amanzi wesikulufa ovundlile we-centrifugal ulungele ukwelapha udaka olukhiqizwe ekuhlanzeni amanzi angcolile ezimbonini. (2) Ukhiye wokusebenza nokuphathwa kwesistimu ye-decanter screw centrifugal dehydrator ukubamba ibhalansi phakathi kodaka, okokusebenza kanye ne-flocculant. Kuyadingeka ukuthi opharetha besayithi babhekisise futhi bafingqe ngokucophelela, futhi bahlale behlola imithetho evela ekusebenzeni kwangempela, ukuze i-decanter screw centrifugal dehydrator ihlale igcina ukusebenza kahle okuphezulu.