01020304
Yakanyungudika Air Flotation Machine DAF Maitiro Waste water Treatment System
Kusuma Project
Dissolved Air Flotation Waste water Treatment System:
Dissolved air pump air flotation tekinoroji rudzi rutsva rwetekinoroji yekufambisa mhepo yakagadziridzwa mumakore achangopfuura, tekinoroji iyi inokunda kushomeka kweiyo yakanyungudika tekinoroji yemhepo yekufambisa ine zvimwe zvekushandisa zvekubatsira, kushandiswa kwesimba kwakanyanya uye mabhuru mahombe anogadzirwa nevortex concave air flotation tekinoroji, uye ine maitiro ekushandiswa kwesimba shoma. Iyo pombi yakanyungudika yemhepo inoshandisa pombi yevortex kana gasi-mvura yepombi yakawanda. Nheyo yayo ndeyokuti mhepo nemvura zvinopinda mugomba repombi pamwe chete pamusuwo wepombi. Iyo impeller ine kumhanya kwakanyanya inocheka mweya wakafemerwa kuita mabhuru madiki nguva zhinji. Iyo dhayamita yebubble inogadzirwa nepombi yakanyungudika yemhepo inowanzoita 20 ~ 40μm, iyo yakanyanya kunyungudika yemhepo yakafemerwa inosvika zana, uye iyo yakanyanya kunyungudika yemhepo yemvura yakanyungudika inosvika makumi matatu%. Kushanda kwepombi kunogona kuramba kwakagadzikana kana kuyerera kwehuwandu hunochinja uye kushanduka kwemhepo yemhepo, iyo inopa maitiro akanaka ekushanda kwekugadzirisa kwepombi uye kutonga kwemhepo inoyerera.
Yakanyungudika pombi yemhepo inoyerera tsvina yemvura yekurapa michina inoumbwa nekamuri yekuyerera, kamuri yekusangana, kamuri yekuparadzanisa, slag yekukwenya mudziyo, yakanyungudika pombi yemhepo, yekuburitsa pombi uye zvimwe zvikamu. The basic air flotation waste water treatment principle is: Chekutanga, mvura inotorwa nepombi yemhepo yakanyungudika semvura yereflux kuti ibudise mvura yemhepo yakanyungudika (mvura yakanyungudutswa yemhepo izere nenhamba huru yemabhuru akanaka panguva ino). Mvura yemhepo yakanyungudutswa inosunungurwa mumvura yekamuri yekusangana kuburikidza nepombi yekuburitsa. Maturu madiki anosimuka zvishoma nezvishoma uye anonamira kune zvimedu zvisina kuchena, achigadzira muviri unoyangarara une density isingasviki mvura, inoyangarara pamusoro pemvura, ichigadzira scum, uye zvishoma nezvishoma ichienda mberi nemvura ichiyerera ichipinda mukamuri yekuparadzanisa. Tsvina inobva yabviswa nescrape device. Mvura yakachena inobudiswa nemirairo yekufashukira kuti ipedze kushanda kwemhepo inoyerera.
Iyo tekinoroji yemidziyo yeaeration yepombi yakanyungudika yemhepo yakakura, uye iyo EDUR yakakwirira inoshanda aeration mudziyo inoshandiswa zvakanyanya. EDUR yakanyanya kushanda zvakanaka mhepo yekuyangarara mudziyo inotora zvakanakira vortex concave air flotation kucheka mabhuru uye yakanyungudika mhepo inoyangarara kudzikamisa mhepo yakanyungudika. Iyo yese sisitimu inonyanya kuumbwa yakanyungudika mhepo system, air flotation midziyo, slag scraper, control system uye kutsigira midziyo.
Pressure dissolved air flotation (DAF) ndeyekutanga kushandisa tsvina yekuchenesa mvura tekinoroji mumhepo inoyerera tekinoroji, yakakodzera kurapwa kweiyo yakaderera turbidity, yakakwira chrominance, yakakwira organic yemukati, yakaderera mafuta emukati, yakaderera surfactant yemukati kana tsvina yemvura yakapfuma mualgae, yakashandiswa zvakanyanya mukugadzira mapepa, kudhinda uye dhayi, electroplating, indasitiri yemakemikari, chikafu, kunatsa mafuta uye mamwe maindasitiri ekuchenesa mvura yekuchenesa. Kuenzaniswa nedzimwe nzira dzekufambisa kwemhepo, ine zvakanakira yeakakwira hydraulic mutoro uye compact dziva. Nekudaro, maitiro ayo akaomarara, mashandisiro makuru emagetsi, mhepo compressor ruzha, nezvimwewo, inodzikamisa mashandisirwo ayo.
Zvinoenderana nemhando uye zvimiro zvezvakarembera zvakamira zviri mutsvina, dhigirii rekucheneswa kwemvura yakabikwa uye nzira dzakasiyana dzekumanikidza, pane nzira nhatu dzakakosha: nzira yese yakanyungudika gasi yekuyangarara, nzira yakanyungudika gasi yekuyangarara uye chikamu reflux yakanyungudika gasi inoyangarara nzira. .
(1) Yese maitiro akanyungudika mhepo yekuyangarara nzira
Iyo nzira yese yekunyungudika yemhepo inoyangarara ndeyekumanikidza tsvina yese nepombi uye kubaya mweya pamberi kana mushure mepombi. Mune gasi rakanyungudutswa tangi, mhepo inonyungudika mutsvina, uye ipapo tsvina inotumirwa mumhepo inoyangarara tangi kuburikidza nekumanikidza kuderedza valve. Mabhuru madiki mazhinji anoumbwa mutsvina kuti anamate kune emulsified mafuta kana yakaturikwa nyaya mutsvina uye kupukunyuka kubva pamusoro pemvura, kugadzira scum pamusoro pemvura. Tsvina inobuditswa mu scum tank ine scraper, uye scum pombi inoburitswa kunze kwedziva. Tsvina inocheneswa inoburitswa kuburikidza neafashama weir uye pombi yekuburitsa.
Iyo gasi yakanyungudika mukuita kwese yakakura, iyo inowedzera mukana wekubatana pakati pemafuta particles kana yakaturikwa zvimedu uye mabhubhu. Pasi pemamiriro ehuwandu hwemvura yekurapa, idiki pane tangi yemhepo inoyerera inodikanwa nechidimbu refluxion yakanyungudika gasi flotation nzira, nokudaro kuderedza mari yezvivakwa. Nekudaro, nekuti masewage ese anopfuura nepapombi yekumanikidza, iyo emulsification dhigirii yetsvina yemafuta inowedzerwa, uye inodiwa yekumanikidza pombi uye yakanyungudika gasi tangi yakakura kupfuura mamwe maviri maitiro, saka mari yekushandisa uye kushandiswa kwesimba kwakakura.
(2) Mhepo yakanyungudika nzira yekuyangarara
Chikamu chakanyungudika mhepo inoyangarara nzira ndeye kutora chikamu chetsvina yekumanikidza uye yakanyungudika gasi, yakasara yetsvina yakananga mumhepo inoyangarara tangi uye yakasanganiswa neyakanyungudika gasi tsvina mumhepo inoyangarara tangi. Hunhu hwayo ndeiyi: zvichienzaniswa nehurongwa hwese hwekunyungudika mhepo inoyangarara inodiwa yekumanikidza pombi idiki, saka simba rekushandisa rakaderera.
Kufambira mberi munguva pfupi yapfuura mukurapa gasi remarara kunomiririra kufambira mberi kwakakosha mukugadzirisa matambudziko ezvakatipoteredza uku ichipawo mikana yekuti mabhizinesi abudirire nenzira yakagadzikana, ine hushamwari. Iyi mhinduro yehutsva inosungirwa kuve nemhedzisiro yakanaka muminda yemarara gasi kurapwa uye kuchengetedzwa kwezvakatipoteredza nevimbiso yayo yekushanda kwepamusoro, mutengo wakaderera wekushandisa uye zero kusvibiswa kwechipiri.
Partial reflux yakanyungudika gasi mhepo inoyangarara nzira ndeye kutora chikamu chekubviswa kwemafuta mushure meiyo efflux reflux yekumanikidza uye yakanyungudika gasi, mushure mekuderedzwa kudzvanywa zvakananga mumhepo inoyangarara tangi, yakasanganiswa netsvina kubva kune flocculation tank uye mhepo inoyangarara. Kuyerera kwekudzoka kunowanzo 25% ~ 100% yetsvina. Hunhu hwayo ndeiyi: yakamanikidzwa mvura, simba rekushandisa dunhu; Iyo nzira yekutenderera kwemhepo haikurudziri emulsification; Alum maruva maumbirwo akanaka, iyo flocculant mu effluent ishoma; Huwandu hwetangi yemhepo inoyerera yakakura kupfuura iyo yemaitiro maviri apfuura. Kuti uvandudze maitiro ekurapwa kwemhepo flotation, coagulant kana air flotation agent inowanzowedzerwa kune tsvina, uye dosage inosiyana nemhando yemvura, iyo inowanzotemwa nebvunzo.
Zvinoenderana nedzidziso yemhepo flotation, iyo chikamu reflux kudzvanywa yakanyungudika gasi flotation nzira inogona kuchengetedza simba, kushandisa yakazara coagulant, uye kurapa mhedzisiro iri nani pane iyo yekumanikidza yakazara yakanyungudika gasi flotation process. Maitiro ekurapa ndiwo akanakisa kana reflux reshiyo iri 50%, saka iyo partial reflux pressure yakanyungudutswa air flotation process ndiyo inonyanya kushandiswa mhepo yekufambisa nzira yekurasa mvura.
Ndezvipi zvinodiwa pakushanda uye kutonga kwemhepo yakanyungudika yakanyungudika flotation?
Pressurized dissolved air flotation (DAF) masisitimu anoshandiswa zvakanyanya mumararamiro ekuchenesa mvura kuti abvise zvakamisikidzwa maoiri, mafuta, oiri, uye zvimwe zvinosvibisa kubva mumaindasitiri nemaguta tsvina. Nekudaro, kuve nechokwadi chekushanda kwakanaka uye kutonga kweiyo yakamanikidzwa yeDAF system, zvimwe zvinodikanwa zvinofanirwa kuzadzikiswa.
1.operators vanofanira kunyatsocherechedza nzira yekubatanidza mutangi inogadzirisa uye hutano hwemvura kubva kune flotation tank kuitira kugadzirisa chiyero che coagulants maererano. Izvo zvakakosha kudzivirira kuvharika kwedosing tank, izvo zvinogona kukanganisa maitiro ese ekurapa.
2.mamiriro ezvinhu epamusoro pe flotation tank inofanira kuonekwa nguva dzose. Chero chiitiko chemabhuru makuru emhepo munzvimbo dzakananga dzetangi inogona kuratidza dambudziko nemusununguri, iyo inoda kuongororwa nekukurumidza uye kugadziriswa.
3.operators vanofanira kunzwisisa maitiro ekugadzira sludge uye kuona zvakakodzera scraping cycle kubvisa sludge yakaunganidzwa kubva kuDAF system. Izvi zvakakosha pakuchengetedza kushanda kwesystem uye kudzivirira kuunganidzwa kwezvakaoma.
4.Kudzora kwakakodzera kwehuwandu hwemvura mune yakamanikidzwa yakanyungudika tangi yemhepo yakakoshawo pakushanda kwehurongwa. Izvi zvinogonesa kugadzikana uye kunoenderana mhepo-kumvura reshiyo, iyo yakakosha kune iyo flotation process.
5.kugadziriswa kumhepo yemhepo kubva kune compressor kunofanira kuitwa kuchengetedza kushanda kwakagadzikana kushanda kwemhepo yakanyungudutswa yemhepo. Izvi, zvakare, zvinovimbisa kushanda kwemhepo inonyungudika mumvura.
6.Kudzora kwehuwandu hwemvura mu flotation tank yakakosha zvakaenzana kuchengetedza yakagadzikana yekurapa mvura inoyerera. Munguva yechando, kana tembiricha yemvura yakadzikira, zvakakosha kuti uwedzere kuyerera kwemvura yereflux kana kudzvanywa kwemhepo kuti ive nechokwadi chekuyerera kwemhando.
7.kuchengetedza zvinyorwa zvinyorwa zvekushanda zvakakosha. Izvi zvinofanirwa kusanganisira ruzivo rwehuwandu hwemvura yekurapa, kunaka kwemvura, kuyerwa kwemakemikari, chiyero chemhepo-kumvura, kunyungudika kwetangi remhepo, tembiricha yemvura, mashandisirwo emagetsi, sludge scraping cycles, sludge mwando, uye efflue mvura kunaka.
Mukupedzisa, nekuomerera kune izvi zvinodiwa, vashandisi vanogona kuve nechokwadi chekushanda kwakanaka uye kunoshanda kweakadzvanywa yakanyungudika mhepo flotation masisitimu munzvimbo dzekuchenesa mvura.
Yakanyungudutswa Air Tank
Ndezvipi zvimiro zvematangi egasi anowanzo shandiswa akanyungudika? Ndedzipi mafomu chaiwo ematangi egasi akanyungudika?
Iyo yakanyungudika gasi tangi inogona kusungirirwa neakajairwa simbi ndiro uye anticorrosive kurapwa inogona kuitwa mutangi. Chimiro chayo chemukati chiri nyore, hapana kurongedza kwegomba rakanyungudika gasi tangi mukuwedzera kune marongero epombi yemvura ine zvimwe zvinodiwa, tangi rakajairika risina chinhu. Pane zvakawanda zvakatemwa zvematangi egasi akanyungudutswa, uye chiyero chehurefu kusvika dhayamita chinowanzo 2 ~ 4. Mamwe matangi egasi akanyungudutswa anoiswa akatwasuka, uye kureba kwetangi rakakamurwa kuita chikamu chekupinda kwemvura, chikamu chekurongedza uye chikamu chekubuda kwemvura pamwe chete. kureba nzira. Mvura inopinza uye yekubuda kwegasi yakanyungudutswa tangi yakagadzikana, uye kusvibiswa kwemukati kunogona kuvharwa kudzivirira kuvharika kweiyo yakanyungudika yekuburitsa gasi mudziyo.
Basa rekumanikidza rakanyungudika gasi tangi kuita kuti mvura inyatsobatana nemhepo uye kukurudzira kuparara kwemhepo. Pressure yakanyungudutswa gasi tangi ndiyo yakakosha midziyo inokanganisa kushanda kwegasi yakanyungudika, chimiro chayo chekunze chinoumbwa nemvura inopinza, inlet yemhepo, exhaust security valve interface, girazi rekuona, muromo wepressure gauge, chiteshi chekuburitsa, chiyero chegeji, kubuda kwemvura, kupinda mukati. gomba zvichingodaro.
Yakanyungudika gasi kuburitsa mudziyo
Ndeapi anowanzo shandiswa akanyungudika gasi anoburitsa?
Dissolved gas releaser ndiyo yakakosha midziyo yemhepo inoyangarara nzira, basa rayo nderekusunungura gasi mumvura yakanyungudutswa yegasi nenzira yemabhuru akanaka, kuitira kuti ibatisise zvakanaka kune yakamiswa tsvina mutsvina inogadziriswa. Anowanzo shandiswa kuburitsa TS mhando, TJ mhando uye TV mhando.
Ndeapi mafomu ematangi emhepo inoyerera?
Kune akawanda maitiro emhepo flotation tank. Zvinoenderana nemhando yemhando yemvura yakarasika, zvinodikanwa zvekurapa uye akasiyana chaiwo mamiriro emvura kuti agadziriswe, kwave nemhando dzakasiyana siyana dzemhepo flotation tank yekushandisa, kusanganisira advection uye vertical kuyerera, sikweya uye kutenderera dhizaini, uye zvakare musanganiswa. yemhepo kuyerera uye kuita, kunaya, kusefa uye mamwe maitiro.
(1) Iyo yakachinjika yemhepo flotation tank ndiyo inonyanya kushandiswa mhando yetangi, uye reaction tank nemhepo flotation tank zvinowanzovakwa pamwechete. Mushure mekuita, tsvina inopinda mumhepo flotation yekuonana mukamuri kubva pasi pedziva muviri, kuitira kuti mabubbles uye floc anyatsosangana uye obva apinda mukamuri yekuparadzanisa mhepo yemhepo. Iyo tsvina iri pamusoro pechidziva inoputirwa mutangi yekuunganidza slag ine slag scraper, uye mvura yakachena inounganidzwa nepombi yekuunganidza pasi pekamuri yekuparadzanisa.
(2) Mukana we vertical flow flotation tank ndechekuti kamuri yekusangana iri pakati petangi, uye kuyerera kwemvura kunopararira kutenderedza. Mamiriro e hydraulic ari nani pane iyo yakatwasuka kuyerera unilateral kubuda, uye zviri nyore kushandira pamwe neanotevera kurapwa zvimiro. Chakashata chayo ndechekuti huwandu hwekushandisa vhoriyamu yemuviri wetangi hwakaderera, uye zvakaoma kubatana neyakapfuura reaction tank.
(3) Iyo yakabatanidzwa yemhepo inoyerera tank inogona kukamurwa kuita matatu mafomu: mhepo inoyangarara-inopindirana-yemuviri mhando, mhepo inoyangarara-inonaya-yemuviri mhando, mhepo inoyangarara-filtration-muviri mhando.
Ndezvipi zvinodiwa zvemhepo flotation tank slag scraper?
(1) Chain type slag scraper inowanzoshandiswa kune diki rectangular air flotation tank. Bridge type slag scraper inogona kushandiswa kune hombe rectangular air flotation tank (span inofanira kunge iri pasi pe10m). Kune denderedzwa remhepo flotation tank, planetary slag scraper (diameter is 2 ~ 10m) inoshandiswa.
(2) Nhamba yakawanda yehuputi haigoni kubviswa munguva kana kuti slag layer inovhiringidzika zvikuru kana ichichera, mvura yemvura uye slag scraping process haina kunaka kana ichichera, uye iyo slag scraping machine inofamba nokukurumidza ichakanganisa air flotation effect.
(3) Kuti iite kuti kukurumidza kufamba kwescraper kusava kukuru kudarika kukurumidza kwekuputika kunoputika mukati me tangi yekuunganidza slag, kukurumidza kufamba kwechigamba kunofanira kudzorwa pa 50 ~ 100mm / s.
(4) Maererano nehuwandu hwe slag, isa nguva yekumhanya ye slag scraper.
Chii chinofanira kucherechedzwa pakugadzirisa dhizaini yakanyungudika yakanyungudika mhepo flotation nzira?
(1) Usati watumira mvura, chekutanga, pombi uye tangi yegesi yakanyungudika inofanira kucheneswa kakawanda uye kucheneswa nemhepo yakamanikidzwa kana mvura yakakwira kusvika pasisina kuvharika zviri nyore, uye wozoisa gasi rakanyungudika.
(2) Cheki vharafu inofanira kuiswa pane inopinza pombi kudzivirira kumanikidzwa kwemvura kubva pakudururira mumhepo compressor. Usati watumira, tarisa kana kwakananga kwevharuvhu yekutarisa papombi inobatanidza gasi rakanyungudika tangi uye mhepo compressor inonongedza kune yakanyungudika gasi tangi. Mukushanda chaiko, kudzvanywa kwekubuda kwemhepo compressor kunofanirwa kuve kwakakura kupfuura kudzvanywa kwetangi yakanyungudika gasi, uye wozovhura vharafu papombi yemhepo yakadzvanywa kuti ubaye mweya mutangi yakanyungudika.
(3) Gadzirisa kudzvanywa kwakanyungudika gasi system uye yakanyungudika gasi kuburitsa sisitimu nemvura yakachena kutanga, uye wozopinza tsvina mutangi rekuita mushure mekunge sisitimu yamhanya zvakajairika.
(4) Ivhavha yekubuda yekumanikidza yakanyungudika gasi tangi inofanirwa kuvhurika zvachose kudzivirira kuyerera kwemvura kubva kuvharwa pavhavha yekubuda, kuitira kuti mabhubhu aburitswe pamberi uye asanganiswe kuti ave akakura.
(5) Dzora vharuvhu yekugezera yemvura kana kuti inogadziriswa weir plate yemhepo inoyangarara dziva, uye dzikamisa mwero wemvura wemhepo inoyangarara dziva pa5 ~ 10cm pasi peiyo slag yekuunganidza slot. Mushure mokunge mvura yakadzikama, gadzirisa huwandu hwemvura yekurapa nemvura inopinza uye yevhavha yekubuda kusvikira mvura yekugadzira yasvika.
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Ndezvipi zvinhu zvinoda kutariswa mukushanda kwemazuva ese uye manejimendi emuchina wemhepo inoyerera?
(1) Panguva yekuongorora, tarisa huwandu hwemvura mutangi yakanyungudika yemhepo kuburikidza negomba rekutarisa kuti ive nechokwadi chekuti nhanho yemvura haina mafashama padanho rekurongedza uye inokanganisa gasi rakanyungudika, uye haisi pasi pe 0.6m kudzivirira huwandu hwakawanda mweya usina kunyungudika kubva mumvura.
(2) Chenjerera kutarisa padziva remvura yakasviba pamusoro panguva yekuongorora. Kana zvikaonekwa kuti scum pamusoro penzvimbo yekuonana haina kuenzana uye kuyerera kwemvura yeko kunoputika zvine chisimba, zvinogona kunge kuti mudziyo wekuburitsa wega wakavharwa kana kudonhedzwa, uye unoda kugadziridzwa nenguva nekutsiviwa. Kana zvikaonekwa kuti scum pamusoro penzvimbo yekuparadzanisa yakadzikama uye nzvimbo yedziva kazhinji ine mabhuru makuru, zvinoratidza kuti kunamatira pakati pemabhuru uye kusvibiswa kwetsvina hakuna kunaka, uye zvakakosha kugadzirisa chiyero kana kushandura iyo. rudzi rwe coagulant.
(3) Kana tembiricha yemvura yakaderera munguva yechando ichikanganisa coagulation mhedzisiro, mukuwedzera pakutora matanho ekuwedzera dosi, huwandu hwema microbubbles uye kunamatira kwavo kune floc inogona zvakare kuwedzerwa nekuwedzera kuyerera kwemvura kana yakanyungudika gasi kudzvanywa, kuitira kuti agadzirise kudzikira kwekuyerera kweiyo floc nemhepo nekuda kwekuwedzera kwemvura viscosity uye kuve nechokwadi chemhando yemvura.
(4) Kuti isakanganise kunaka kwemvura yakasviba, mwero wemvura mutangi unofanirwa kusimudzwa kana uchikwenya slag, saka isu tinofanirwa kutarisisa kuunganidzwa kwechiitiko chekushanda, kupfupisa yakanakisa scum kuunganidza ukobvu uye yemvura zvirimo, nguva nenguva. mhanyisa slag scraper kuti ubvise scum, uye gadzira slag scraper system inoenderana nemamiriro chaiwo.
(5) Zvinoenderana nekuyerera kwetangi rekuita. Iyo scum uye effluent mvura yemhando munzvimbo yekuparadzanisa yemhepo flotation tank inofanirwa kugadziridzwa nenguva, uye kushanda kwedosing tube kunofanirwa kuongororwa kazhinji kudzivirira kuvhara (kunyanya munguva yechando).
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