01020304
Ukuchithwa kwe-Air Flotation Machine DAF Inkqubo ye-Waste Water Treatment System
Intshayelelo yeProjekthi
Inkqubo yoNyango lwamanzi aNcinyiweyo oPhathayo woMoya:
Itekhnoloji yempompo yomoya enyibilikisiweyo luhlobo olutsha lwetekhnoloji yokuhambisa umoya ephuhliswe kwiminyaka yakutshanje, obu buchwephesha boyisa iintsilelo zetekhnoloji yomoya onyibilikisiweyo wokudada ngezixhobo ezincedisayo, ukusetyenziswa kwamandla aphezulu kunye namaqamza amakhulu aveliswa bubuchwephesha bokudada bomoya we-vortex concave air, kwaye iye iimpawu zokusetyenziswa kwamandla aphantsi. Impompo yomoya enyibilikisiweyo isebenzisa impompo ye-vortex okanye impompo ye-gas-liquid multiphase. Umgaqo wayo kukuba umoya kunye namanzi bangena kwigobolondo yempompo kunye ekungeneni kwempompo. I-impeller enesantya esiphezulu iya kunqumla umoya ophefumlelweyo ube ngamaqamza amancinci ngamaxesha amaninzi. Ububanzi beqamza obuveliswa yimpompo yomoya enyityilisiweyo ngokuqhelekileyo yi-20 ~ 40μm, ukunyibilika okuphezulu komoya orholeyo kufikelela kwi-100%, kwaye umxholo womoya omkhulu wamanzi omoya onyibilikisiweyo ufikelela kuma-30%. Ukusebenza kwempompo kunokuhlala kuzinzile xa izinga lokuhamba litshintsha kunye nokuguquguquka komthamo womoya, obonelela ngeemeko ezilungileyo zokusebenza zokulawulwa kwempompo kunye nokulawulwa kwenkqubo yokujikeleza komoya.
Impompo yomoya enyibilikileyo yomoya ojikelezayo izixhobo zokucocwa kwamanzi zenziwe ngegumbi lokuntywila, igumbi lokunxibelelana, igumbi lokwahlula, isixhobo sokukhuhla i-slag, impompo yomoya enyibilikileyo, umbhobho wokukhulula kunye nezinye iindawo. Umgaqo osisiseko wokucocwa kwamanzi amdaka ojikeleza emoyeni ngulo: Okokuqala, amanzi atsalwa ngempompo yomoya enyityilisiweyo njengamanzi e-reflux ukuvelisa amanzi omoya anyityilisiweyo (amanzi omoya anyityilisiweyo azele ngamaqamza amaninzi amahle ngeli xesha). Amanzi omoya achithwayo akhululwa emanzini egumbi lokuqhagamshelana ngombhobho wokukhulula. Amaqamza amancinci aphakama kancinane aze abambelele kumasuntswana okungcola, enze umzimba odadayo onoxinano olungaphantsi kwamanzi, adada phezu kwamanzi, enze i-scum, aze aqhubele phambili ngokucothayo nokuqukuqela kwamanzi ukuya kwigumbi lokwahlula. I-scum ke iye isuswe ngesixhobo sokukhuhla. Amanzi acacileyo akhutshwa ngummiselo wokuphuphuma ukuze agqibezele inkqubo yokusebenza yokujikeleza komoya.
Itekhnoloji yezixhobo ze-aeration yempompo yomoya enyityilisiweyo ivuthiwe, kwaye isixhobo se-EDUR sokwenza umoya sisetyenziswe kakhulu. Isixhobo se-EDUR somoya esisebenza kakuhle kakhulu sifunxa izibonelelo ze-vortex concave air flotation ukusika amaqamu kunye nokunyibilikiswa komoya ukuphaphazela ukuzinzisa umoya onyibilikileyo. Yonke le nkqubo iqulunqwe ikakhulu yinkqubo yomoya enyibilikileyo, izixhobo zokudada emoyeni, i-slag scraper, inkqubo yokulawula kunye nezixhobo ezixhasayo.
I-Pressure dissolved air flotation (DAF) sisicelo setekhnoloji yokucoca amanzi kwangoko kwitekhnoloji ye-air flotation, ilungele unyango lwe-turbidity ephantsi, i-chrominance ephezulu, umxholo ophezulu we-organic, umxholo we-oyile ephantsi, umxholo ophantsi we-surfactant okanye amanzi amdaka atyebile kwi-algae, isetyenziswa ngokubanzi ekwenzeni iphepha, ukuprinta kunye nokudaya, i-electroplating, ishishini lemichiza, ukutya, ukucocwa kweoli kunye nolunye unyango lwamanzi amdaka oshishino. Xa kuthelekiswa nezinye iindlela zokudada emoyeni, ineengenelo zomthwalo omkhulu wehydraulic kunye nephuli edibeneyo. Nangona kunjalo, inkqubo yayo eyinkimbinkimbi, ukusetyenziswa kwamandla amakhulu, ingxolo ye-compressor yomoya, njl., ukunciphisa ukusetyenziswa kwayo.
Ngokweentlobo kunye neepropathi zezinto eziqinileyo ezinqunyanyisiweyo eziqulethwe kugutyulo, iqondo lokucocwa kwamanzi acociweyo kunye neendlela ezahlukeneyo zoxinzelelo, kukho iindlela ezintathu ezisisiseko: inkqubo yonke enyibilikisiweyo yegesi yokudada indlela yokudada, indlela yokudada yegesi enyibilikisiweyo kunye nenxalenye yereflux enyibilikisiweyo yegesi indlela yokudada. .
(1) Inkqubo yonke enyibilikayo indlela yokudada emoyeni
Iyonke inkqubo ye-air float enyibilikisiweyo kukucinezela onke amanzi amdaka ngempompo kunye nokutofa umoya ngaphambi okanye emva kwempompo. Kwitanki yegesi enyityilisiweyo, umoya unyibilika kugutyulo, emva koko ugutyulo luthunyelwe kwitanki edadayo emoyeni ngevalve yokunciphisa uxinzelelo. Amaqamza amancinci amancinci amaninzi akhiwe kwi-lindle ukuze abambelele kwi-oyile e-emulsified okanye into emisiwe kwi-lindle kwaye ibaleke kumphezulu wamanzi, yenze i-scum phezu kwamanzi. Umgquba ukhutshelwa kwitanki yesingcoli ngesikrweli, kwaye umbhobho wokugquma uyakhutshelwa ngaphandle kwedama. Amanzi amdaka acociweyo akhutshwa kwi-weir echichimayo kunye nombhobho wokukhupha.
Igesi echithwe kuyo yonke inkqubo inkulu, eyandisa ithuba lokuqhagamshelana phakathi kweengqungquthela zeoli okanye iinqununu ezimisiwe kunye neebhubhu. Phantsi komyinge wobungakanani bamanzi onyango olufanayo, incinci kunetanki yokudada yomoya efunwa yinxenye yendlela yerhasi enyityilisiweyo yerefluxion, ngaloo ndlela inciphisa utyalo-mali lweziseko ezingundoqo. Nangona kunjalo, ngenxa yokuba onke amanzi amdaka adlula kwimpompo yoxinzelelo, idigri ye-emulsification ye-oily sewage iyanda, kwaye impompo yoxinzelelo efunekayo kunye netanki yegesi echithweyo inkulu kunezinye iinkqubo ezimbini, ngoko utyalo-mali kunye nokusetyenziswa kwamandla okusebenza kukhulu.
(2) Indlela yokudada emoyeni enyibilikisiweyo
Indlela yokudada yomoya oyinyibilikisiweyo kukuthatha inxalenye yoxinzelelo lwelindle kunye nerhasi enyityilisiweyo, intsalela yelindle ngqo kwitanki edadayo emoyeni kwaye ixutywe nogutyulo lwerhasi enyityilisiweyo kwitanki edadayo emoyeni. Iimpawu zayo zezi: xa kuthelekiswa nayo yonke inkqubo yokuchithwa kwe-air float efunekayo impompo yoxinzelelo incinci, ngoko ke ukusetyenziswa kwamandla kuphantsi.
Inkqubela phambili yakutsha nje kunyango lwerhasi yenkunkuma imele inkqubela phambili ebonakalayo ekujonganeni nemingeni yokusingqongileyo ngelixa ikwabonelela ngamathuba kumashishini ukuba aphumelele ngendlela ezinzileyo, enobungani nokusingqongileyo. Esi sisombululo sitsha sibophelelekile ukuba sibe nefuthe elihle kwiinkalo zokunyanga i-gas yenkunkuma kunye nokukhuselwa kwendalo kunye nesithembiso sokusebenza kakuhle, iindleko eziphantsi zokusebenza kunye nokungcola okwesibini.
Inxenye reflux inyibilike igesi indlela ukudada emoyeni kukuthatha inxalenye yokususwa kwe-oyile emva kwe-reflux yamanzi amdaka yoxinzelelo kunye nerhasi enyityilisiweyo, emva koxinzelelo olucuthiweyo ngqo kwitanki yokudada emoyeni, exutywe nogutyulo olusuka kwitanki ye-flocculation kunye ne-air float. Ukuqukuqela okubuyayo kudla ngokuba yi-25% ~ 100% yelindle. Iimpawu zayo zezi: amanzi anoxinzelelo, iphondo lokusetyenziswa kwamandla; Inkqubo yokujikeleza komoya ayikhuthazi i-emulsification; Ukwenziwa kweentyatyambo ze-alum kulungile, i-flocculant kumanzi amdaka incinci; Umthamo wetanki ye-flotation yomoya mkhulu kunolo lweenkqubo ezimbini zangaphambili. Ukuze kuphuculwe umphumo wokonyango lwe-air flotation, i-coagulant okanye i-agent ye-air flotation isoloko yongezwa kwi-sewege, kwaye i-dosage iyahluka ngomgangatho wamanzi, ochazwe ngokubanzi ngovavanyo.
Ngokutsho kwethiyori ye-air flotation, inxenye yoxinzelelo lwe-reflux enyibilikisiweyo yegesi ye-flotation inokonga amandla, isebenzise ngokupheleleyo i-coagulant, kwaye isiphumo sonyango singcono kunoxinzelelo olugcweleyo lwenkqubo yokujikeleza kwegesi. Isiphumo sonyango sesona silungileyo xa umlinganiselo we-reflux ungama-50%, ngoko ke inxenye yoxinzelelo lwe-reflux enyibilikayo inkqubo yokudada komoya yeyona ndlela ixhaphakileyo esetyenziswayo yokucoca umoya kunyango lwamanzi amdaka.
Zeziphi iimfuno zokusebenza kunye nolawulo lweflotation yomoya enyibilikisiweyo ecinezelekileyo?
Iinkqubo ze-Presssorized dissolved air flotation (DAF) zisetyenziswa ngokubanzi kwinkqubo yokucocwa kwamanzi amdaka ukususa ngokufanelekileyo izinto eziqinileyo ezimisiweyo, amafutha, ioyile, kunye nezinye izinto ezingcolisa amanzi kwimizi-mveliso nakumanzi amdaka kamasipala. Nangona kunjalo, ukuqinisekisa ukusebenza ngokufanelekileyo kunye nolawulo lwenkqubo yoxinzelelo lweDAF, iimfuno ezithile kufuneka zihlangatyezwe.
1.abaqhubi kufuneka babeke iliso ngokusondeleyo inkqubo ye-coagulation kwitanki yokusabela kunye nomgangatho wamanzi amdaka ukusuka kwitanki ye-flotation ukwenzela ukulungelelanisa umthamo we-coagulants ngokufanelekileyo. Kubalulekile ukuthintela ukuvaleka kwetanki yedosi, enokuthi iphazamise yonke inkqubo yonyango.
2.imeko yomphezulu wetanki yokudada kufuneka iqwalaselwe rhoqo. Nasiphi na isenzeko samaqamza amakhulu omoya kwiindawo ezithile zetanki singabonisa ingxaki kumkhulisi, ekufuneka ihlolwe ngokukhawuleza kwaye isonjululwe.
3.abaqhubi kufuneka baqonde ipatheni yokuveliswa kodaka kwaye banqume umjikelo ofanelekileyo wokukhuhla ukususa udaka oluqokelelweyo kwinkqubo yeDAF. Oku kubalulekile ekugcineni ukusebenza kakuhle kwenkqubo kunye nokuthintela ukwakheka kwezinto eziqinileyo.
4. Ulawulo olululo lomgangatho wamanzi kwitanki yomoya enyibilikisiweyo ecinezelekileyo lukwabalulekile ekusebenzeni kwenkqubo. Oku kuqinisekisa umlinganiselo ozinzileyo nongaguquguqukiyo womoya ukuya emanzini, obalulekileyo kwinkqubo yokudada.
5.uhlengahlengiso kunikezelo lomoya oluvela kwicompressor kufuneka lwenziwe ukuze kugcinwe uxinzelelo oluzinzileyo lokusebenza lwetanki yomoya enyibilikileyo. Oku, kwakhona, kuqinisekisa ukusebenza kokunyibilika komoya emanzini.
6.Ukulawulwa komgangatho wamanzi kwitanki ye-flotation kubalulekile ngokulinganayo ukugcina ukuhamba kwamanzi okuzinzile. Ngexesha lasebusika, xa amaqondo obushushu amanzi ephantsi, kubalulekile ukonyusa ukuhamba kwamanzi e-reflux okanye uxinzelelo lomoya ukuqinisekisa umgangatho ongaguqukiyo wamanzi amdaka.
7.ukugcina iirekhodi zokusebenza ezineenkcukacha kubalulekile. Oku kufuneka kuquke ulwazi malunga nobungakanani bamanzi okucoca, umgangatho wamanzi anempembelelo, iidosi zeekhemikhali, umlinganiselo womoya ukuya emanzini, uxinzelelo lwetanki yomoya enyibilikileyo, ubushushu bamanzi, ukusetyenziswa kwamandla, imijikelo yokukhuhla udaka, umthamo wokufuma kodaka, kunye nomgangatho wamanzi amdaka.
Ukuqukumbela, ngokuthobela ezi mfuno, abaqhubi banokuqinisekisa ukusebenza ngokufanelekileyo kunye nokusebenza kakuhle kweenkqubo zomoya ezinyibilikisiweyo zoxinzelelo kumaziko okucoca amanzi amdaka.
ITanki yoMoya enyibilikileyo
Ngawaphi amacandelo olwakhiwo lweetanki zerhasi ezisetyenziswa ngokuqhelekileyo? Zeziphi iindlela ezithile zeetanki zerhasi ezinyibilikileyo?
Itanki yegesi enyibilikisiweyo inokudityaniswa ngepleyiti yentsimbi eqhelekileyo kwaye unyango lwe-anticorrosive lunokwenziwa kwitanki. Ubume bayo bangaphakathi bulula, akukho ukupakishwa kwetanki yegesi enyibilikisiweyo enomgobho ukongeza kwisakhiwo sombhobho wamanzi uneemfuno ezithile, itanki eqhelekileyo engenanto. Kukho iinkcukacha ezininzi zeetanki zegesi ezinyibilikisiweyo, kwaye umlinganiselo wobude ukuya kwidayamitha jikelele ngu-2 ~ 4. Amanye amatanki erhasi anyibilikisiweyo afakwe ngokuthe tye, kwaye ubude betanki bohlulwe ngokwecandelo lokungena kwamanzi, icandelo lokupakisha kunye necandelo lokuphuma kwamanzi kunye. indlela ubude. Ukungena kwamanzi kunye nokuphuma kwetanki yegesi echithwe zizinzile, kwaye ukungcola kwi-inlet kungabanjwa ukuze kugwenywe ukuvalelwa kwesixhobo sokukhutshwa kwegesi.
Umsebenzi woxinzelelo lwetanki yegesi echithwe kukwenza amanzi adibane ngokupheleleyo nomoya kwaye akhuthaze ukuchithwa komoya. Uxinzelelo lwetanki yegesi enyibilikisiweyo sisixhobo esiphambili esichaphazela ukusebenza kakuhle kwerhasi enyityilisiweyo, ulwakhiwo lwalo lwangaphandle lwenziwe ngokungena kwamanzi, indawo yokungena komoya, ujongano lwevalvu yokhuseleko lokukhupha, isibuko sombono, umlomo wegeyiji yoxinzelelo, izibuko zokukhupha, igeyiji yenqanaba, indawo yokuphuma kwamanzi umngxuma njalo njalo.
Isixhobo sokukhupha igesi esinyibilikileyo
Zeziphi ezi ngokuqhelekileyo zisetyenziswa zikhupha igesi inyibilikiswe?
Ukukhutshwa kwegesi echithiweyo isixhobo esisisiseko sendlela yokudada emoyeni, umsebenzi wayo kukukhulula irhasi kumanzi erhasi anyibilikisiweyo ngendlela yamaqamza acolekileyo, ukuze ubambe kakuhle ukungcola okunqunyanyisiweyo kugutyulo oluza kunyangwa. Izikhuphi ezisetyenziswa ngokuqhelekileyo luhlobo lwe-TS, uhlobo lwe-TJ kunye nodidi lweTV.
Zeziphi iifom zamatanki okudada emoyeni?
Kukho iindlela ezininzi zetanki yomoya. Ngokweempawu zomgangatho wamanzi amdaka, iimfuno zonyango kunye neemeko ezithile ezahlukeneyo zamanzi aza kucocwa, kuye kwakho iintlobo ngeentlobo zetanki yokudada yomoya ukuze isetyenziswe, kubandakanywa i-advection kunye nokuhamba ngokuthe nkqo, isikwere kunye noyilo olujikelezileyo, kunye nokudibanisa. ukudada komoya kunye nokusabela, imvula, ukuhluza kunye nezinye iinkqubo.
(1) Itanki yomoya oxwesileyo lolona hlobo lusetyenziswa kakhulu lwetanki, kwaye itanki yokusabela kunye netanki yokudada emoyeni zikholisa ukwakhiwa kunye. Emva kokusabela, amanzi amdaka angena kwigumbi loqhagamshelwano lomoya ojikelezayo ukusuka ezantsi kumzimba wedama, ukuze amaqamza kunye nefloc adibane ngokupheleleyo aze angene kwigumbi lokwahlula lomoya. I-scum kwi-pool surface igxothwe kwi-tank yokuqokelela i-slag kunye ne-slag scraper, kwaye amanzi acocekileyo aqokelelwa ngumbhobho wokuqokelela phantsi kwegumbi lokwahlula.
(2) I-advanteji yetanki yokuqukuqela ethe nkqo kukuba igumbi lokudibanisa lisembindini wetanki, kwaye ukuhamba kwamanzi kuyahlukana macala onke. Iimeko ze-hydraulic zingcono kune-horizontal flow unilateral outflow, kwaye kulungele ukusebenzisana nezakhiwo zonyango ezilandelayo. Ukungalungi kwayo kukuba umthamo wokusetyenziswa komthamo womzimba wetanki uphantsi, kwaye kunzima ukudibanisa netanki yokusabela yangaphambili.
(3) Itanki edibeneyo yokudada yomoya inokwahlulwa ibe ziindlela ezintathu: uhlobo lomzimba oludadayo-lokusabela-umzimba, umoya odadayo-imvula-uhlobo lomzimba, umoya odadayo-uhluzo-umzimba.
Ziziphi iimfuno ezisisiseko zomoya wetanki ye-slag scraper?
(1) Itsheyini yohlobo lwe-slag scraper idla ngokusetyenziselwa itanki yokudada yomoya omncinci. Ibhulorho yohlobo lwe-slag scraper ingasetyenziselwa itanki enkulu ye-air flotation (isithuba kufuneka sibe ngaphantsi kwe-10m). Kwitanki yomoya ojikelezayo, i-planetary slag scraper (i-diameter yi-2 ~ 10m) isetyenziswa.
(2) Inani elikhulu le-scum alikwazi ukususwa ngexesha okanye umaleko we-slag uphazamiseka kakhulu xa ukhuhla, umgangatho we-liquid kunye ne-slag scraping inkqubo ayifanelekanga xa ukhuhla, kwaye umatshini wokukhuhla we-slag ohamba ngokukhawuleza uya kuchaphazela umphumo we-air flotation.
(3) Ukuze wenze isantya esihambayo se-scraper singabi sikhulu kunesantya sokuphuphuma kwe-scum kwi-tank yokuqokelela i-slag, isantya esihambayo se-scraper kufuneka silawulwe kwi-50 ~ 100mm / s.
(4)Ngokobungakanani be-slag, setha ixesha lokuqhuba i-slag scraper.
Yintoni ekufuneka iqwalaselwe ekulungisweni kwendlela yomoya oxinzelelwe ngoxinzelelo?
(1) Phambi kokugunyazisa amanzi, okokuqala, umbhobho kunye netanki yegesi enyityilisiweyo kufuneka icocwe ngokuphindaphindiweyo kwaye icocwe ngomoya ocinezelweyo okanye ngoxinzelelo oluphezulu lwamanzi de kungabikho kungcola kwamasuntswana okuvala lula, emva koko kufakelwe ukukhutshwa kwegesi enyibilikisiweyo.
(2) Ivalve yokukhangela kufuneka ifakwe kumbhobho wokungena ukukhusela amanzi oxinzelelo ukuba angaphinde abuyele kwisicinezeli somoya. Ngaphambi kokugunyazisa, khangela ukuba ngaba isalathiso sevalve yokukhangela kumbhobho odibanisa itanki yegesi enyibilikileyo kunye ne-compressor point point kwi-tank yegesi enyibilikileyo. Kumsebenzi wokwenyani, uxinzelelo lokuphuma kwesicinezeli somoya kufuneka lube lukhulu kunoxinzelelo lwetanki yerhasi enyityilisiweyo, emva koko uvule ivelufa kumbhobho womoya ocinezelweyo ukuze utofe umoya kwitanki yerhasi enyityilisiweyo.
(3) Lungiselela inkqubo yegesi enyibilikisiweyo yoxinzelelo kunye nenkqubo yokukhutshwa kwegesi enyityilisiweyo ngamanzi acocekileyo kuqala, uze ugalele ugutyulo kwitanki yokusabela emva kokuba inkqubo iqhuba ngokuqhelekileyo.
(4) Ivalve yokuphuma yetanki yegesi enyibilikisiweyo kufuneka ivuleke ngokupheleleyo ukunqanda ukuhamba kwamanzi ukuba kungavaleki kwivalve yokuphuma, ukuze amaqamza akhululwe kwangaphambili kwaye adityaniswe abe makhulu.
(5) Lawula ivalve yohlengahlengiso lokuphuma kwamanzi okanye ipleyiti ye-weir elungelelanisiweyo yedama elidadayo lomoya, kwaye uzinzise inqanaba lamanzi edama elidadayo lomoya kwi-5 ~ 10cm ngaphantsi kwendawo yokuqokelelwa kwe-slag. Emva kokuba umgangatho wamanzi uzinzile, lungisa ubungakanani bamanzi onyango kunye ne-valve yokungena kwamanzi kunye ne-valve yokuphuma kude kube yilapho ubungakanani bamanzi boyilo bufikelelwe.
(6) Emva kokuba i-slag iqokelele ukuya kubukhulu obufanelekileyo (5 ~ 8cm), qalisa i-slag scraper yokukhuhla i-slag, kwaye ukhangele ukuba ukukhuhla kwe-slag kunye nokukhutshwa kwe-slag kuqhelekileyo, kunye nokuba umgangatho wamanzi amdaka uyachaphazeleka.
Yeyiphi imiba efuna ingqwalasela ekusebenzeni kwemihla ngemihla kunye nolawulo lomatshini wokubhabha emoyeni?
(1) Ngexesha lokuhlola, jonga inqanaba lamanzi kwitanki yomoya enyityilisiweyo ngomngxuma wokuqwalasela ukuqinisekisa ukuba umgangatho wamanzi awukhukula umaleko wokupakisha kwaye uchaphazele ifuthe lerhasi enyityilisiweyo, kwaye ungekho ngaphantsi kwe-0.6m ukuthintela isixa esikhulu umoya onganyibilikiyo ophuma emanzini.
(2) Nika ingqalelo ukujonga umphezulu wedama lamanzi amdaka ngexesha lokuhlolwa. Ukuba kufunyaniswe ukuba umphezulu wesigqubuthelo kwindawo ekudityanwa kuyo awulingani kwaye nokuqukuqela kwamanzi asekuhlaleni kugutyungelwa ngamandla, kusenokwenzeka ukuba isixhobo sokukhulula sivaliwe okanye siwisiwe, kwaye sidinga ukulungiswa kwangethuba kunye nokutshintshwa. Ukuba kufunyaniswe ukuba umphezulu we-scum kwindawo yokwahlula usicaba kwaye umphezulu wedama uhlala unamaqamza amakhulu, oko kubonisa ukuba ukuncamathela phakathi kwamaqamu kunye neeflocs zokungcola akulunganga, kwaye kuyimfuneko ukulungelelanisa idosi okanye ukutshintsha i-bubble. uhlobo lwe-coagulant.
3 ukuze kulungiswe ukuhla kokusebenza okudadayo kwefloc ngomoya ngenxa yokwanda kwe-viscosity yamanzi kunye nokuqinisekisa umgangatho wamanzi.
(4) Ukuze ungachaphazeli umgangatho wamanzi amdaka, inqanaba lamanzi etankini kufuneka liphakanyiswe xa kukhuhlwa i-slag, ngoko ke kufuneka sinikele ingqalelo ekuqokeleleni amava okusebenza, sishwankathele eyona ngqiqweni igqwesileyo ye-scum kunye nomxholo wamanzi, rhoqo. sebenzisa i-slag scraper ukususa i-scum, kwaye umise inkqubo ye-slag scraper ngokuhambelana nemeko yangempela.
(5) Ngokutsho kwe-flocculation yetanki yokusabela. I-scum kunye nomgangatho wamanzi amdaka kwindawo yokwahlula itanki ye-air flotation kufuneka ilungiswe ngexesha, kwaye ukusebenza kombhobho we-dosing kufuneka kuhlolwe rhoqo ukukhusela ukuvala (ingakumbi ebusika).
inkcazelo2