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- Isistimu ye-Stainless Steel reverse osmosis
- I-Containerized Water Treatment Systems
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- I-UF Water Treatment Systems
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- Ibhodlela/Ibhakede/Isikhwama Umugqa Wokugcwalisa Amanzi
- I-MBR Sewage Waste Water Treatment System
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01020304
I-Air Flotation Encibilikile
Isingeniso Sephrojekthi
Uhlelo Lokuhlanza Amanzi Angcolile Lokugeleza Umoya Oncibilikisiwe:
Ubuchwepheshe be-air futha yomoya obuncibilikisiwe wuhlobo olusha lobuchwepheshe be-air flotation obuthuthukiswe eminyakeni yamuva, lobu buchwepheshe bunqoba ukushiyeka kobuchwepheshe be-air flotation obuncibilikisiwe ngemishini yokusiza okwengeziwe, ukusetshenziswa kwamandla aphezulu kanye namabhamuza amakhulu akhiqizwa ubuchwepheshe be-vortex concave air flotation, futhi bunezici zokusebenzisa amandla aphansi. Iphampu yomoya encibilikisiwe isebenzisa iphampu ye-vortex noma iphampu ye-gas-liquid multiphase. Isimiso saso siwukuthi umoya namanzi kungena egobolondweni lepompo ndawonye emnyango wepompo. I-impeller enesivinini esikhulu izosika umoya ophefumulelwe ube amabhamuza amancane izikhathi eziningi. Ububanzi bebhamuza obukhiqizwa iphampu yomoya encibilikisiwe ngokuvamile bungama-20 ~ 40μm, ukuncibilika okuphezulu komoya ohogeliwe kufinyelela ku-100%, kanti izinga eliphezulu lokuqukethwe komoya kwamanzi omoya ancibilikisiwe lifinyelela ku-30%. Ukusebenza kwepompo kungahlala kuzinzile lapho izinga lokugeleza lishintsha kanye nokushintshashintsha kwevolumu yomoya, okunikeza izimo zokusebenza ezinhle zokulawulwa kwepompo kanye nokulawulwa kwenqubo ye-air flotation.
I-dissolized air pump air flotation imfucuza imishini yokwelapha amanzi yakhiwe ngegumbi le-flocculation, igumbi lokuxhumana, igumbi lokuhlukanisa, idivayisi yokukhuhla i-slag, iphampu yomoya encibilikisiwe, ipayipi yokukhulula nezinye izingxenye. Umgomo oyisisekelo wokuhlanza amanzi alahlwa yi-air flotation uthi: Okokuqala, amanzi akhishwa yiphampu yomoya encibilikisiwe njengamanzi e-reflux ukukhiqiza amanzi omoya ancibilikisiwe (amanzi omoya ancibilikisiwe agcwele inqwaba yamabhamuza amahle ngalesi sikhathi). Amanzi omoya ancibilikisiwe adedelwa emanzini egunjini lokuxhumana ngepayipi lokukhulula. Amabhamuza amancane akhuphuka kancane futhi anamathele ezinhlayiyeni zokungcola, akhe umzimba ontantayo onokuminyana okungaphansi kwamanzi, antanta phezu kwamanzi, enze udoti, futhi aqhubekele phambili kancane kancane nokugeleza kwamanzi ekamelweni lokuhlukanisa. Udoti ube usususwa ngomshini wokukhuhla. Amanzi ahlanzekile akhishwa ngomthethonqubo wokuchichima ukuze aqedele inqubo yokusebenza yokuntanta komoya.
Ubuchwepheshe bemishini yokufaka umoya yepompo yomoya encibilikisiwe buvuthiwe, futhi idivayisi yokungenisa umoya esebenza kahle kakhulu ye-EDUR isetshenziswa kabanzi. Idivayisi ye-EDUR yokuntanta komoya esebenza kahle kakhulu imunca izinzuzo zokuntanta komoya we-vortex concave ukusika amabhamuza nokuntanta komoya oncibilikisiwe ukuzinzisa umoya oncibilikile. Lonke uhlelo ikakhulukazi lwakhiwe uhlelo lomoya oluncibilikisiwe, okokusebenza kwe-air flotation, i-slag scraper, uhlelo lokulawula kanye nemishini esekelayo.
I-Pressure dissolved air flotation (DAF) iwubuchwepheshe bokwelashwa kwamanzi angcolile okusetshenziswa kusenesikhathi kubuchwepheshe be-air flotation, obufanele ukwelashwa kwe-turbidity ephansi, i-chrominance ephezulu, okuqukethwe okuphezulu kwe-organic, okuqukethwe kwamafutha aphansi, okuqukethwe okuphansi kwe-surfactant noma amanzi angcolile acebile ngolwelwe, asetshenziswa kabanzi ekwenzeni iphepha, ukuphrinta nokudaya, i-electroplating yamanzi, imboni ye-oil regewang, imboni yokuhlanza amanzi, i-segewa Uma iqhathaniswa nezinye izindlela zokuntanta komoya, inezinzuzo zomthwalo ophezulu we-hydraulic kanye nechibi elihlangene. Kodwa-ke, inqubo yayo eyinkimbinkimbi, ukusetshenziswa kwamandla amakhulu, umsindo we-compressor emoyeni, njll., kunciphisa ukusetshenziswa kwayo.
Ngokwezinhlobo nezakhiwo zezinto eziqinile ezimisiwe eziqukethwe kundle, izinga lokuhlanzwa kwamanzi ahlanzekile nezindlela ezihlukene zokucindezela, kunezindlela ezintathu eziyisisekelo: yonke inqubo yokuntanta kwegesi encibilikisiwe, indlela yokuntanta yegesi encibilikisiwe kanye nengxenye ye-reflux encibilikisiwe indlela yokuntanta kwegesi.
(1) Inqubo yonke encibilikisiwe indlela yokuntanta komoya
Yonke inqubo yokuntanta komoya oncibilikile iwukucindezela yonke indle ngepompo bese ujova umoya ngaphambi noma ngemva kwepompo. Ethangini legesi elincibilikisiwe, umoya uyancibilika emanzini, bese indle ithunyelwa ethangini elintantayo lomoya ngokusebenzisa i-valve yokunciphisa ingcindezi. Amabhamuza amaningi amancane akhiwa emanzini okukhuculula ukunamathela kuwoyela we-emulsified noma into emisiwe endle futhi aphume emanzini, enze i-scum phezu kwamanzi. Udoti ukhishelwa ku-scum tank nge-scraper, bese ipayipi le-scum likhishwa echibini. Indle ehlanziwe ikhishwa ngepayipi elichichimayo kanye nepayipi lokukhipha.
Igesi encibilikisiwe kuyo yonke inqubo inkulu, okwandisa ithuba lokuxhumana phakathi kwezinhlayiya zamafutha noma izinhlayiya ezimisiwe namabhamuza. Ngaphansi kwesimo senani lamanzi okuhlanza afanayo, mancane kunethangi le-flotation yomoya elidingwa indlela ye-refluxion encibilikisiwe yegesi yokuntanta, ngaleyo ndlela yehlise ukutshalwa kwezimali kwengqalasizinda. Kodwa-ke, ngenxa yokuthi wonke amapayipi endle adlula empompini yokucindezela, izinga le-emulsification lokukhucululwa kwendle okunamafutha liyakhula, futhi ipompo yokucindezela edingekayo kanye nethangi legesi elincibilikisiwe kukhulu kunezinye izinqubo ezimbili, ngakho-ke ukusetshenziswa kwamandla okutshalwa kwezimali nokusebenza kukhulu.
(2) Indlela yokuntanta komoya encibilike kancane
Ingxenye encibilikisiwe yokuntanta komoya iwukuba uthathe ingxenye yokucindezela kwendle negesi encibilikisiwe, yonke enye indle iqonde ngqo ethangini le-airfloat futhi ixutshwe nendle yegesi encibilikisiwe ku-air float tank. Izici zayo yilezi: uma kuqhathaniswa nayo yonke inqubo yokuncibilika kwe-air float edingekayo iphampu yokucindezela incane, ngakho-ke ukusetshenziswa kwamandla kuphansi.
Intuthuko yakamuva ekuhlanzweni kwegesi engcolile imele inqubekelaphambili ebalulekile ekuxazululeni izinselele zemvelo kuyilapho ihlinzeka ngamathuba kumabhizinisi ukuze aphumelele ngendlela eqhubekayo, ehambisana nemvelo. Lesi sixazululo esisha kufanele sibe nomthelela omuhle emikhakheni yokwelashwa kwegesi engcolile kanye nokuvikelwa kwemvelo ngesithembiso saso sokusebenza kahle okuphezulu, izindleko eziphansi zokusebenza kanye nokungcoliswa kwemvelo okungapheli.
Ingxenye ye-reflux encibilikisiwe yegesi yokuntanta komoya iwukuba uthathe ingxenye yokususwa kukawoyela ngemva kwe-reflux yokungcola yokucindezela negesi encibilikile, ngemva kokunciphisa ingcindezi ngqo ethangini le-air float, exutshwe nendle evela ku-flocculation tank kanye ne-air float. Ukugeleza okubuyayo kuvamise ukuba ngu-25% ~ 100% wendle. Izici zayo yilezi: amanzi acindezelwe, isifundazwe sokusetshenziswa kwamandla; Inqubo yokuntanta komoya ayikhuthazi i-emulsification; Ukwakheka kwembali ye-alum kuhle, i-flocculant emanzini angcolile incane; Umthamo wethangi le-air flotation mkhulu kunalowo wezinqubo ezimbili ezedlule. Ukuze kuthuthukiswe umphumela wokwelapha we-air flotation, i-coagulant noma i-air flotation agent ivame ukungezwa emanzini, futhi umthamo uyahlukahluka ngekhwalithi yamanzi, ngokuvamile enqunywa ukuhlolwa.
Ngokombono we-air flotation, indlela ye-reflux encibilikisiwe yokucindezela kwegesi encibilikisiwe ingasindisa amandla, isebenzise ngokugcwele i-coagulant, futhi umphumela wokwelapha ungcono kunalowo wenqubo egcwele yokucindezela kwegesi encibilikisiwe. Umphumela wokwelapha ungcono kakhulu lapho isilinganiso se-reflux singama-50%, ngakho-ke inqubo ye-reflux ye-reflux encibilikisiwe yokuntanta komoya iyindlela evame ukusetshenziswa kakhulu yokuntanta komoya yokwelashwa kwamanzi angcolile.
Yiziphi izidingo zokusebenza nokulawulwa kokuntanta komoya oncibilikisiwe okucindezelwe?
Amasistimu e-Pressurised dissolved air flotation (DAF) asetshenziswa kakhulu enqubweni yokuhlanza amanzi angcolile ukuze asuse ngempumelelo izinto eziqinile ezimisiwe, amafutha, uwoyela, nokunye ukungcola emanzini angcolile ezimbonini nakomasipala. Kodwa-ke, ukuze kuqinisekiswe ukusebenza kahle nokulawulwa kohlelo lwe-DAF olucindezelwe, izidingo ezithile zidinga ukuhlangatshezwana nazo.
1.ama-opharetha adinga ukuqapha ngokucophelela inqubo ye-coagulation ethangini lokusabela kanye nekhwalithi yamanzi angcolile avela ku-flotation tank ukuze kulungiswe umthamo wama-coagulants ngokufanele. Kubalulekile ukuvimbela ukuvaleka kwethangi le-dosing, okungaphazamisa yonke inqubo yokwelapha.
2.isimo sobuso bethangi le-flotation kufanele sibhekwe njalo. Noma yikuphi ukwenzeka kwamabhamuza amakhulu omoya ezindaweni ezithile zethangi kungase kubonise inkinga ngesikhiphi, esidinga ukuhlolwa ngokushesha futhi kuxazululwe.
3.abaqhubi kufanele baqonde iphethini yokukhiqiza udaka futhi banqume umjikelezo ofanele wokukhuhla ukuze basuse udaka olunqwabelene ohlelweni lwe-DAF. Lokhu kubalulekile ukuze kugcinwe ukusebenza kahle kwesistimu nokuvimbela ukunqwabelana kwezinto eziqinile.
4. Ukulawulwa ngendlela efanele kwezinga lamanzi ethangini lomoya elincibilike ngomfutho nakho kubalulekile ekusebenzeni kohlelo. Lokhu kuqinisekisa isilinganiso esizinzile nesiguquguqukayo somoya ukuya emanzini, okubalulekile enqubweni yokuntanta.
5.ukulungiswa kokunikezwa komoya okuvela ku-compressor kufanele kwenziwe ukuze kugcinwe ukucindezela okuzinzile kokusebenza kwethangi lomoya elincibilikile. Lokhu-ke, kuqinisekisa ukusebenza kahle kokuncibilika komoya emanzini.
6.Ukulawulwa kwezinga lamanzi ethangini le-flotation kubalulekile ngokufanayo ukugcina ukugeleza kwamanzi okwelapha okuzinzile. Ebusika, lapho izinga lokushisa lamanzi liphansi, kubalulekile ukwandisa ukugeleza kwamanzi e-reflux noma umfutho womoya ukuze kuqinisekiswe ikhwalithi engaguquguquki yokugeleza kwamanzi.
7.ukugcina amarekhodi anemininingwane yokusebenza kubalulekile. Lokhu kufanele kubandakanye ulwazi lwenani lamanzi okuhlanza, ikhwalithi yamanzi anamandla, imithamo yekhemikhali, isilinganiso somoya ukuya emanzini, umfutho wethangi lomoya elincibilikile, izinga lokushisa lamanzi, ukusetshenziswa kwamandla, imijikelezo yokukhuhla udaka, okuqukethwe komswakama wodaka, kanye nekhwalithi yamanzi angcolile.
Sengiphetha, ngokuhambisana nalezi zidingo, opharetha bangaqinisekisa ukusebenza kahle nangempumelelo kwezinhlelo zokuntanta komoya ezicindezelwe ezincibilikisiwe ezindaweni zokuhlanza amanzi angcolile.
I-Air Tank Encibilikile
Yiziphi izingxenye zesakhiwo zamathangi egesi ancibilikisiwe avame ukusetshenziswa? Yiziphi izinhlobo ezithile zamathangi egesi ancibilikile?
Ithangi legesi elincibilikisiwe lingashiswa ngepuleti lensimbi elijwayelekile futhi ukwelashwa kwe-anticorrosive kungenziwa ethangini. Isakhiwo salo sangaphakathi silula, akukho ukupakishwa kwethangi legesi elincibilikile elingenalutho ngaphezu kokuhlelwa kwepayipi lamanzi kunezidingo ezithile, ithangi elingenalutho elivamile. Kunezicaciso eziningi zamathangi egesi ancibilikisiwe, futhi isilinganiso sobude nobubanzi ngokuvamile singu-2 ~ 4. Amanye amathangi egesi ancibilikisiwe afakwa ngokuvundlile, futhi ubude bethangi buhlukaniswa ngokwengxenye yokungena kwamanzi, ingxenye yokupakisha kanye nengxenye yokuphuma kwamanzi eduze kokuqondisa kobude. I-inlet yamanzi kanye ne-outlet yethangi legesi elincibilikile izinzile, futhi ukungcola okungaphakathi kungavinjelwa ukugwema ukuvinjelwa kwedivayisi yokukhipha igesi encibilikile.
Umsebenzi wethangi legesi elincibilikile ukucindezela ukwenza amanzi athintane ngokuphelele nomoya futhi akhuthaze ukuhlakazeka komoya. Ithangi legesi elincibilikisiwe lokucindezela liyithuluzi elibalulekile elithinta ukusebenza kahle kwegesi encibilikisiwe, isakhiwo salo sangaphandle sakhiwe ngokungenisa amanzi, i-air inlet, isikhombimsebenzisi se-valve yokuphepha, isibuko sokubona, umlomo we-pressure gauge, i-exhaust port, i-level gauge, i-outlet yamanzi, emgodini njalonjalo.
Idivayisi yokukhishwa kwegesi encibilikile
Yiziphi izikhiqizi zegesi ezincibilikisiwe ezivame ukusetshenziswa?
Isikhiphi segesi esincibilikisiwe siyisisetshenziswa esiyinhloko sendlela yokuntanta emoyeni, umsebenzi walo ukukhulula igesi emanzini egesi ancibilikisiwe ngendlela yama-bubbles amahle, ukuze kuhambisane kahle nokungcola okumisiwe emanzini okuthuthwa kwendle okufanele kuphathwe. Izikhiqizo ezisetshenziswa kakhulu wuhlobo lwe-TS, uhlobo lwe-TJ nohlobo lwe-TV.
Yiziphi izinhlobo zamathangi e-air flotation?
Kunezinhlobo eziningi zethangi le-air flotation. Ngokwezici zekhwalithi yamanzi angcolile, izidingo zokwelashwa kanye nezimo ezihlukahlukene zamanzi okufanele ziphathwe, kube nezinhlobonhlobo zezinhlobo zethangi le-air flotation elizosetshenziswa, okuhlanganisa i-advection nokugeleza okuqondile, ukuhlelwa kwesikwele nokujikeleza, kanye nenhlanganisela yokuntanta komoya nokusabela, imvula, ukuhlunga nezinye izinqubo.
(1) Ithangi le-air flotation elivundlile liwuhlobo lwethangi olusetshenziswa kakhulu, futhi ithangi lokuphendula kanye nethangi lokuntanta komoya kuvamise ukwakhiwa ndawonye. Ngemva kokusabela, indle ingena egumbini lokuxhumana le-air flotation kusukela phansi komzimba we-pool, ukuze ama-bubbles kanye ne-floc axhumane ngokugcwele bese engena ekamelweni lokuhlukanisa lokuhamba emoyeni. I-scum ebusweni bechibi igxotshwa ethangini lokuqoqa i-slag nge-slag scraper, futhi amanzi ahlanzekile aqoqwa ngepayipi lokuqoqa phansi kwekamelo lokuhlukanisa.
(2) Inzuzo yethangi le-flotation eliqondile ukuthi igumbi lokuthintana liphakathi kwethangi, futhi ukugeleza kwamanzi kuyahlakazeka nxazonke. Izimo ze-hydraulic zingcono kune-horizontal flow unilateral outflow, futhi kulula ukubambisana nezakhiwo zokwelashwa ezilandelayo. Ububi bayo ukuthi izinga lokusebenzisa umthamo womzimba wethangi liphansi, futhi kunzima ukuxhuma nethangi lokusabela langaphambilini.
(3) Ithangi lokuntanta lomoya elididiyelwe lingahlukaniswa libe yizinhlobo ezintathu: uhlobo lomzimba oluntantayo-olusabelayo-lomzimba, uhlobo lomzimba oluntantayo-izulu, uhlobo lomzimba ontantayo-wokuhlunga.
Yiziphi izidingo eziyisisekelo ze-air flotation tank slag scraper?
(1) I-chain scraper yohlobo lwe-slag ivamise ukusetshenziselwa ithangi elincane le-air flotation. Ibhuloho lohlobo lwe-slag scraper lungasetshenziselwa ithangi elikhulu le-air flotation elingunxande (i-span kufanele ibe ngaphansi kuka-10m). Ethangini le-air flotation, iplanethi ye-slag scraper (ububanzi yi-2 ~ 10m) isetshenziswa.
(2) Inombolo enkulu ye-scum ayikwazi ukususwa ngesikhathi noma ungqimba lwe-slag luphazamiseka kakhulu lapho kukhuhla, izinga le-liquid kanye nenqubo ye-slag scraping ayilungile lapho kukhuhla, futhi umshini wokukhuhla we-slag ohamba ngokushesha uzothinta umphumela wokuntanta komoya.
(3) Ukuze wenze ijubane elinyakazayo le-scraper lingabi likhulu kunejubane lokuchichima kwe-scum ku-tank yokuqoqa i-slag, isivinini esihambayo se-scraper kufanele silawulwe ku-50 ~ 100mm / s.
(4)Ngokwenani le-slag, setha isikhathi sokusebenza se-slag scraper.
Yini okufanele inakwe ekulungiseni iphutha lendlela yokuntanta komoya ecindezelwe?
(1) Ngaphambi kokukhipha amanzi, okokuqala, ipayipi nethangi legesi elincibilikisiwe kufanele kuhlanzwe ngokuphindaphindiwe futhi kuhlanzwe ngomoya ocindezelwe noma amanzi anomfutho omkhulu kuze kube yilapho kungabikho ukungcola kwezinhlayiyana ezivimbeka kalula, bese kufakwa ukukhishwa kwegesi encibilikile.
(2) Ivalvu yokuhlola kufanele ifakwe epayipini lokungena ukuze kuvinjwe amanzi okucindezela ukuthi angaphindeli ku-compressor yomoya. Ngaphambi kokuthumela, hlola ukuthi ingabe isiqondiso se-valve yokuhlola epayipini elixhuma ithangi legesi elincibilikile kanye ne-compressor yomoya ikhomba ethangini legesi elincibilikile. Ekusebenzeni kwangempela, ukucindezela kokuphuma kwe-compressor yomoya kufanele kube kukhulu kunokucindezela kwethangi legesi elincibilikile, bese uvula ivalvu epayipini lomoya elicindezelwe ukuze ujove umoya ethangini legesi elincibilikile.
(3) Lungisa iphutha kusistimu yegesi encibilikisiwe kanye nesistimu yokukhipha igesi encibilikisiwe ngamanzi ahlanzekile kuqala, bese ujova indle ethangini lokusabela ngemva kokuthi isistimu isebenza ngokujwayelekile.
(4) Ivalvu yokuphuma yethangi legesi elincibilikisiwe kufanele ivuleke ngokuphelele ukuvimbela ukugeleza kwamanzi ukuthi kungavinjwa kuvalvu yokuphuma, ukuze amabhamuza adedelwe kusenesikhathi futhi ahlanganiswe abe makhudlwana.
(5) Lawula ivalvu yokulungisa indawo yamanzi noma ipuleti le-weir elilungisekayo lechibi elintantayo lomoya, futhi uzinzise izinga lamanzi lechibi elintantayo lomoya ku-5 ~ 10cm ngaphansi kwendawo yokuqoqa i-slag. Ngemuva kokuthi izinga lamanzi lizinzile, lungisa ubuningi bamanzi okwelapha nge-valve yokungena emanzini kanye ne-valve yokuphuma kuze kube yilapho inani lamanzi eliklanyiwe lifinyelelwa.
(6) Ngemva kokuba udoti selunqwabelene lube ugqinsi olufanele (5 ~ 8cm), qala isikrufu se-slag ukuze kukhulwe i-slag, futhi uhlole ukuthi ukukhuhla kwe-slag nokuphuma kwe-slag kujwayelekile, nokuthi ikhwalithi yamanzi angcolile iyathinteka yini.
Yiziphi izinto ezidinga ukunakwa ekusebenzeni kwansuku zonke nokuphathwa komshini wokuntanta komoya?
(1) Ngesikhathi sokuhlola, bheka izinga lamanzi ethangini lomoya elincibilikisiwe ngembobo yokubuka ukuze uqinisekise ukuthi izinga lamanzi alikhukhula ungqimba olupakishiwe futhi lithinte umphumela wegesi encibilikile, futhi alikho ngaphansi kuka-0.6m ukuvimbela inani elikhulu lomoya ongancibiliki ekuphumeni emanzini.
(2) Naka ukubuka indawo yedamu lamanzi angcolile ngesikhathi sokuhlolwa. Uma kutholakala ukuthi i-scum surface endaweni okuxhunywana nayo ayilingani futhi ukugeleza kwamanzi endawo kunyakaziswa ngamandla, kungenzeka ukuthi idivayisi ngayinye yokukhipha ivinjiwe noma yehlisiwe, futhi idinga ukulungiswa kanye nokushintshwa ngesikhathi. Uma kutholakala ukuthi i-scum surface endaweni yokuhlukanisa iyisicaba futhi indawo yechibi ngokuvamile inamabhamuza amakhulu, kubonisa ukuthi ukunamathela phakathi kwama-bubbles kanye ne-flocs yokungcola akukuhle, futhi kuyadingeka ukulungisa umthamo noma ukuguqula uhlobo lwe-coagulant.
(3) Lapho izinga lokushisa eliphansi lamanzi ebusika lithinta umphumela wokuhlangana, ngaphezu kokuthatha izinyathelo zokwandisa umthamo, inani lamabhamuza amancane kanye nokunamathela kwawo ku-floc nakho kungandiswa ngokukhuphula amanzi abuyela emuva noma ingcindezi yegesi encibilikisiwe, ukuze kulungiswe ukwehla kokusebenza okuntantayo kwe-floc ngomoya ngenxa yokwanda kwekhwalithi yamanzi nokuqinisekisa ikhwalithi yamanzi.
(4) Ukuze kungathinti ikhwalithi yamanzi angcolile, izinga lamanzi ethangini kufanele liphakanyiswe lapho kukhuhla i-slag, ngakho-ke kufanele sinake ukunqwabelana kokuhlangenwe nakho kokusebenza, sifingqe ukushuba okungcono kakhulu kokuqoqwa kodoti kanye nokuqukethwe kwamanzi, sigijime njalo isikrufu se-slag ukuze sisuse udoti, futhi simise i-slag scraper esivumelana nesimo sangempela.
(5) Ngokusho kwe-flocculation yethangi lokusabela. Ikhwalithi yamanzi edoti kanye namanzi angcolile endaweni yokuhlukanisa ithangi le-air flotation kufanele ilungiswe ngesikhathi, futhi ukusebenza kweshubhu lokudosa kufanele kuhlolwe njalo ukuze kuvinjelwe ukuvinjelwa (ikakhulukazi ebusika).
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