Mochini o phaphametseng oa moea o phaphametseng ke mofuta oa mochini o phaphametseng oa moea, e leng sesebelisoa sa karohano ea metsi a tiileng ka har'a lisebelisoa tsa likhoerekhoere, 'me o khona ho tlosa lintho tse tiileng tse emisitsoeng, mafura le colloidal ka har'a likhoerekhoere.Leha molao-motheo oa ts'ebetso oa mochini o thellang o qhibilihang oa moea o phaphametseng o ts'oana le oa lisebelisoa tse ling tsa moea, ho bile le phetoho e kholo ea sebopeho.
Tšebeliso ea lisebelisoa:
Lilemong tsa morao tjena, theknoloji ea ho phaphamala ha moea e 'nile ea sebelisoa haholo phepelong ea metsi le ea ho ntša metsi le ho hloekisa metsi a litšila, e ka khonang ho tlosa mahlaseli a khanyang a khanyang ao ho leng thata ho a rarolla ka metsing a litšila.Mechini e qhibilihisitsoeng ea moea e sebelisoa haholo bakeng sa ho hloekisa likhoerekhoere ka peterole, indastering ea lik'hemik'hale, khatiso le ho daea, ho etsa pampiri, ho hloekisa oli, letlalo, tšepe, ts'ebetso ea mochini, starch, lijo le liindasteri tse ling.
molao-motheo oa ts'ebetso:
Ka mor'a karabelo ea dosing, likhoerekhoere li kena sebakeng sa motsoako oa moea o phallang ebe o kopanya le khase e qhibilihisitsoeng ho etsa hore floc e khomarele li-bubble tse ntle, ebe e kena sebakeng sa moea.Tlas'a ketso ea moea o matla, floc e phaphamala ho ea holim'a metsi ho etsa scum, ebe e kena sebakeng sa moea oa flotation.Tlas'a ketso ea moea o monate, floc e phaphamala ho ea holim'a metsi ho etsa scum.Metsi a hloekileng a karolong e ka tlaase a phalla ho ea tanka ea metsi a hloekileng ka pokello ea metsi, 'me karolo e' ngoe ea 'ona e khutlela morao ho sebelisoa e le metsi a moea a qhibilihileng.Metsi a hloekileng a setseng a phalla ho tsoa ka boema-kepe ba ho phalla.Ka mor'a hore scum holim'a metsi a tanka ea flotation ea moea e bokellane ho botenya bo itseng, e kenngoa ka har'a tanka ea sludge ea tanka ea moea ka mochini oa foam scraper le ho lokolloa.SS e tebang e kenella 'meleng oa lesapo la mokokotlo mme e tsoa khafetsa.
Likarolo tse kholo tsa sebopeho:
1. Mochini o phaphametseng moea:
Sebopeho sa tšepe se chitja ke 'mele o ka sehloohong le mokokotlo oa mochine oa ho hloekisa metsi.Ka hare, ho na le lisebelisoa, liphatlalatso, liphaephe tsa seretse, liphaephe tse ntšang metsi, litanka tsa likhoerekhoere, li-scrapers le lisebelisoa tsa ho tsamaisa thepa.Sehlahisoa se sebakeng se bohareng sa mochini oa flotation oa moea mme ke karolo ea bohlokoa bakeng sa ho hlahisa li-bubble tse nyane.Metsi a qhibilihisitsoeng a tsoang ka tanka ea khase a kopantsoe ka ho feletseng le metsi a litšila mona, 'me a lokolloa ka tšohanyetso, a baka tsitsipano e matla le vortex, a etsa li-bubble tse nyenyane tse nang le bophara ba hoo e ka bang 20-80um, tse khomaretsoeng ho floccules ka metsing a litšila, kahoo li fokotsa mocheso. ho phahama matla a khoheli a itseng a floccules.Metsi a hlakileng a arohane ka ho feletseng, 'me mohaho oa conical o nang le mokhoa o ts'oanang oa ho aba o kopantsoe le mokelikeli, Mosebetsi o ka sehloohong ke ho arola ka mokhoa o ts'oanang metsi a hloekileng a arohaneng le sludge ka tanka.Pipe e ntšang metsi ka mokhoa o ts'oanang e arolelitsoe karolong e ka tlaase ea tanka, 'me e hokelloa karolong e ka holimo ea tanka ka phala e emeng hore e phalle.Sebaka sa ho phalla ha se na molamu oa ho fetola boemo ba metsi, o loketseng ho lokisa boemo ba metsi ka tanka.Pipe ea seretse e kenngoa ka tlaase ho tanka ho ntša litšila.Ha ho na tanka ea litšila karolong e ka holimo ea tanka, 'me ho na le scraper holim'a tanka.The sludge e ntse e bilika e sa khaotse ho hoela litšila tse phaphametseng ka har'a tanka ea seretse, 'me e phallela ka tankeng ea seretse.
2. Tsamaiso ea khase e qhibilihisitsoeng
Sistimi ea ho qhala khase haholo-holo e entsoe ka tanka e qhibilihang ea khase, tanka ea polokelo ea moea, kompressor ea moea, le pompo ea khatello e phahameng.Tanka e qhaqhang khase ke karolo ea bohlokoa ea tsamaiso, eo karolo ea eona e leng ho finyella kamano e feletseng pakeng tsa metsi le moea le ho potlakisa ho qhibiliha ha moea.Ke tanka ea tšepe e koetsoeng e thibelang khatello e nang le li-baffles le li-spacers tse entsoeng ka hare, tse ka potlakisang ts'ebetso ea ho hasana le ho fetisa boima ba khase le metsi, le ho ntlafatsa katleho ea ho qhibiliha ha khase.
3. Tanka ea reagent:
Litanka tse chitja tsa tšepe li sebelisoa bakeng sa ho qhibiliha le ho boloka maro a meriana.Tse peli tsa tsona ke litanka tse qhalang tse nang le lisebelisoa tse tsoakang, tse ling tse peli ke litanka tsa polokelo ea meriana.Molumo o itšetlehile ka matla a ho sebetsa.
Mokhoa oa theknoloji:
Metsi a litšila a phalla ka har'a marang-rang ho thibela lihlahisoa tse emisitsoeng ka molumo o moholo 'me li kena ka tanka ea sedimentation, moo mefuta e sa tšoaneng ea metsi a litšila e tsoakiloeng, homogenized, le litšila tse boima, ho thibela ho fetoha ha boleng ba metsi le ho netefatsa ts'ebetso e tsitsitseng ea phekolo ea metsi a litšila. .Kaha metsi a litšila ka tanka ea sedimentation a na le palo e itseng ea likhoele tse lahlehileng, e leng mohloli o ka sehloohong oa metsi a litšila SS, ha se feela likhoele tse tsosolositsoeng ka microfiltration, Ka nako e ts'oanang, e fokotsa haholo lintho tse tiileng tse emisitsoeng metsing a litšila, ho fokotsa bohlokoa kalafo mojaro bakeng sa tshebetso e latelang ea metsi a litšila moea flotation.Ho eketsa coagulant PAC ho tanka ea conditioning ho lumella metsi a litšila hore a arohane pele, a phalle, a be le pula, ebe a romelloa mochineng oa ho phalla moeeng ka pompo ea likhoerekhoere.Tlas'a ketso ea PAM ea flocculant, palo e kholoanyane ea flocculent e thehoa,.Ka lebaka la ho tšoaroa ha palo e kholo ea li-microbubble le ho fokotseha ho hoholo ha matla a khoheli a khethehileng a lihlopha, metsi a hlakileng a tsoela pele ho phalla holimo.E arotsoe ka ho feletseng 'me e phalla ho tloha boema-kepe ba ho phalla ho ea tanka ea aerobic fast filter, moo metsi a hloekileng a kenang oksijene le ho sefshoa ka mecha ea litaba ho tlosa mebala le litšila tse ling.Ka mor'a moo, metsi a hloekileng a kena ka tanka ea sedimentation le ho hlakisa, moo a lulang teng le ho hlakisoa, 'me a phallela tanka ea polokelo bakeng sa ho sebelisoa hape kapa ho tsoa.
Leretse le phaphametseng ka holimo mochining oa moea o phaphametseng le tšeloa ka har'a tanka ea seretse ka sekala ebe le phalla ka bohona ho ea tanka ea ho omisa seretse.Letlapa le pompeloa ka har'a mochine oa sesefe sa li-sludge bakeng sa ho hloekisa khatello, ho etsa kuku ea sefa, e tsamaisoang ka ntle bakeng sa ho lahlela mobu kapa ho chesoa ka mashala.Likhoerekhoere tse tlhotliloeng li khutlela ka tanka ea sedimentation.Haeba re tsoela pele ho kenya chelete mochine oa lik'hateboto, sludge e ka boela ea sebelisoa ka ho toba ho hlahisa li-cardboard tsa boemo bo phahameng, eseng feela ho felisa tšilafalo ea bobeli, empa hape ho theha melemo ea bohlokoa ea moruo.
Likarolo tsa lisebelisoa:
1. Ha e bapisoa le mehaho e meng, e kopantsoe, e nang le matla a maholo a ho sebetsa, bokhoni bo phahameng, le ho fokotseha ha mobu.
2. Sebopeho sa ts'ebetso le lisebelisoa li bonolo, li bonolo ho li sebelisa le ho li boloka.Hafeela liphaephe tse kenang le tsa ho tsoa li kopantsoe, li ka sebelisoa hang-hang, 'me ha ho na motheo o hlokahalang.
3. E ka felisa sludge bulking.
4. Ho kenella ha moea ka metsing nakong ea ho phalla ha moea ho na le phello e kholo ea ho tlosa li-surfactants le monko o tsoang metsing.Ka nako e ts'oanang, aeration e eketsa oksijene e qhibilihisitsoeng ka metsing, e fana ka maemo a matle bakeng sa phekolo e latelang.
5. Bakeng sa mehloli ea metsi e nang le mocheso o tlaase, mobu o fokolang, le algae e ngata, ho sebelisa moea o phallang ho ka finyella liphello tse molemo.
Nako ea poso: Mar-31-2023