Moralo oa morero
Setsi sa ho hloekisa metsi a litšila (WWTP) se nka sebaka sa 35,{1}} m² 'me qalong se ne se hahiloe teropong e pota-potiloeng ke matangoana a litlhapi le sebaka se bulehileng. Ka nts'etsopele ea kholo ea litoropo, joale e se e le sebakeng sa bolulo se nang le baahi ba bangata le ba khoebo. Monko oa likhoerekhoere le lerata la semela li ama haholo baahi ba haufi.
Setsi sena qalong se ne se etselitsoe ho hloekisa metsi a likhoerekhoere a 140,000 m³/letsatsi. Boleng ba eona ba litšila bo tlameha ho kopana le Sehlopha sa 1B sa China sa "Pollutant Discharge Standard for Urban Wastewater Treatment Plants" (GB 18918-2002).
Pele a pompeloa setsing sa kalafo, metsi a litšila a etsoa kalafo ea pele ka sekirini se mahoashe, skrine e mahareng le skrineng se setle. Kalafo ea mantlha e kenyelletsa kamore ea grit e kentsoeng moea, e lateloe ke kalafo ea bobeli ka foro ea oxidation le tlhakiso ea bobeli. Qetellong, likhoerekhoere li lahleloa selibeng sa ka ntle ka 1-peipi ea bophara ba limithara, ho tloha moo e phallelang ka har'a marang-rang a koetsoeng a culvert.
Ho ntlafatsa Moralo oa Moralo
Litebello tsa Boleng ba Sekala le Metsi
Ho ipapisitsoe le liphuputso tse ka khonehang, matla a polante a lula ho 140,000 m³/letsatsi, 'me metsi a litšila a fetelletseng a fetisetsoa setsing sa ho pompa hore a fetisetsoe setsing se seng sa ho hloekisa. Matlakala ha a tsholohele linōkeng feela empa a boetse a sebelisa metsi matšeng a haufi. Ka hona, metsi a litšila a tlameha ho ikamahanya le Mokhahlelo oa 1A oa GB 18918-2002 le "Maemo a Boleng ba Metsi bakeng sa ho Sebelisa Hape Metsi a Litšila a Litoropo ho Metsi a Tikoloho ea Naha" (GB/T 18921-2002). Ho feta moo, ho thibela ho ata ha eutrophication matšeng, litšila li tlameha ho finyella litekanyetso tsa Sehlopha sa IV tlas'a "Surface Water Quality Standard" (GB 3838-2002).
Moralo oa Phallo ea Ts'ebetso
Morero o khethile mokhoa oa "AAO + MBR" bakeng sa ntlafatso ea setsi. Ts'ebetso ea ho hloekisa seretse e sebelisa mochini o ntšang metsi ka centrifugal ho fokotsa mongobo oa seretse ho ba ka tlase ho 80%, 'me grit le sludge li romelloa setsing sa kalafo sa seretse sa masepala sa toropo.
Ho fumana maemo a nepahetseng le maemo a ts'ebetso, lipapiso tse felletseng li ile tsa etsoa ho sebelisoa software ea Biowin e thehiloeng ho Activated Sludge Digestion Model (ASDM), e nang le matla a fokolang le tšebeliso ea lik'hemik'hale.
Kakaretso Moralo
Semela se na le sebaka se lekanyelitsoeng sa 33,{1}} m². Re bolokile meaho ea eona e ntseng e le teng joalo ka tsamaiso le moaho oa taolo. Mehaho ea tlhahiso e neng e sa finyelle litekanyetso tsa likhoerekhoere kapa tsa kaho, tse kang ho hloekisoa pele, foro ea oxidation, sebaka sa ho ntša metsi a litšila le kamore ea ho laola, li ile tsa ntlafatsoa ka tekanyo e fapaneng.
Ka mohlala, re ile ra aha yuniti ea MBR ho nkela sehlakisi sa bobeli sebaka, se kopanyang mesebetsi e kang litanka tsa aerobic, litanka tsa membrane, likamore tsa ho futhumala le likamore tsa ho noa lik'hemik'hale, hammoho le litanka tse bolaeang likokoana-hloko. Lisebelisoa tsena li tlisa likhoerekhoere tsa eona ho fihlela litekanyetso tsa ho ntša metsi a sebelisoang hape.
Lintlha tsa Moqapi oa Bohlokoa oa Mehaho
Liphetoho Pele ho Phekolo
1) Lits'oants'o tse mahoashe
Litekanyo: 5.6 mx 8.1 m, bophahamo: 4.9 m
Liteishene: 3, e nkela li-skrini tse mahoashe tsa 50 mm ka li-skrini tsa rotary tsa 20 mm.
Bophara ba kanale: 1.9 m, botebo ba metsi pele ho skrine: 0.95 m, angle ea ho kenya: 70 degree , lekhalo la skrine: 20 mm
2) Lits'oants'o tse Bohareng
Litekanyo: 5.8 mx 10.1 m, bophahamo: 4.9 m
Mecha: 4, e ntlafatsang mechine ea skrine ea 15 mm ho li-skrini tsa rotary tsa 6 mm
Bophara ba kanale: 1.9 m, botebo ba metsi pele ho skrine: 0.70 m, angle ea ho kenya: 70 degree , lekhalo la skrine: 5 mm
3) Lits'oants'o tse ntle
Litekanyo: 7.1 mx 11.15 m, bophahamo: 1.5 m
Ho ntlafatsa ho tloha ho 6 mm rotary screens ho isa ho 3 mm perforated plate screens ha o ntse o boloka likanale tse teng.
Bophara ba mocha: 2.1 m, botebo ba metsi pele ho skrine: 1.5 m, lekhalo la skrine: 3 mm
E na le liskirini tse 4 tsa lipoleiti (1.5 kW e 'ngoe le e 'ngoe) le lipompo tse 2 tsa ho hlatsoetsa mokokotlong tse nang le sekhahla sa phallo ea 36 m³/h e 'ngoe le e 'ngoe) Liphetoho tsa Membrane Screen
Kamore ea pele ea ho khutlisa seretse e rekiloe hape joalo ka kamore ea skrine ea membrane. Litekanyo tsa skrine e ntle ke 6.1 m × 8.8 m le bolelele ba 2.2 m. Ho kentsoe li-membrane tse 'nè, tse tharo tse sebetsang le e' ngoe e eme, e 'ngoe le e' ngoe e na le matla a 1.5 kW. Mocha o mong le o mong o na le bophara ba 1.4 m, botebo ba metsi ka pel'a skrine ea 1.1 m, le lekhalo la skrine la 1 mm. Ho fanoe ka lipompo tse peli tsa ho hlatsoa mokokotlo, e 'ngoe le e 'ngoe e na le sekhahla sa phallo ea 36 m³/h le matla a 15 kW, 'me linako tsa ts'ebetso li behiloe ho karolelano ea 1:2–1:4 e bulehileng-ho emisa.
Liphetoho tsa Oxidation Ditch
Likotopo tse peli tse seng li ntse li le teng tsa oxidation li fetotsoe ho ba litanka tsa anaerobic-anoxic, e 'ngoe le e 'ngoe e na le sekhahla sa phallo ea 70,{2}} m³/letsatsi. Karolo ea anaerobic e na le nako ea ho boloka lihora tsa 1.0, ha karolo ea anoxic e na le nako ea ho boloka lihora tse 2,7, e nang le botebo ba metsi a 3.9 m. Tanka e 'ngoe le e' ngoe ea anaerobic e na le li-mixersible tse tšeletseng tsa lebelo le phahameng tse nang le matla a 3.7 kW, ha tanka e 'ngoe le e' ngoe ea anoxic e na le metsoako e leshome le metso e 'meli ea lebelo le tlaase e nang le matla a 2.3 kW. Karolelano ea ho khutla ha seretse ho tloha ho anoxic ho ea litanka tsa anaerobic ho tloha ho 100% ho isa ho 200%.
MBR Kakaretso ea Sebopeho
Litlhaloso tse 'nè tse seng li ntse li le teng li nketsoe sebaka ke libopeho tse peli tse ncha tsa MBR (Membrane Bioreactor), e 'ngoe le e 'ngoe e na le 70,{1}} m³/letsatsi. Litekanyo tsa yuniti ka 'ngoe ea MBR ke 82.34 m × 38.18 m 'me li kenyelletsa likarolo tse latelang:
1) Tanka ea Aerobic
Litekanyo: 37.70 m × 36.25 m le botebo ba metsi bo sebetsang ba 6.0 m
Nako ea ho boloka: Lihora tse 2.4, tse nang le li-aerators tse 1,216 ka tanka ka 'ngoe (2,432 ka kakaretso ho pholletsa le litanka tseo ka bobeli)
Aerator ka 'ngoe e na le sekhahla sa phallo ea moea ea 7.2 m³/h, 'me sekhahla sa ho khutla seretse ho tloha ho aerobic ho ea tanka ea anoxic ke 300%.
2) Tanka ea Membrane ea MBR
Kakaretso ea litekanyo ka tanka: 45.46 m × 31.85 m, ho kenyeletsoa kabo, membrane, likanale tsa ho khutlisa le litanka tsa ho hloekisa
Botebo ba tanka ea membrane: 5 m le botebo ba metsi bo sebetsang ba 3.7 m
Mocha oa kabo: 39.6 m × 2.1 m, mocha oa ho khutlisa: 39.6 m × 1.5 m
Tanka ea Membrane e arotsoe ka lisele tse robeli, e 'ngoe le e' ngoe e le 26.65 m × 4.6 m, e nang le lisele tse tharo tse hloekisang metsi, asiti le alkaline.
Tanka e 'ngoe le e' ngoe e na le mela e robeli, e tšeletseng e nang le li-modules tse leshome tsa PVDF hollow fiber, le tse peli tse nang le li-module tse robong.
Bokhoni ba moralo ka mojule oa lera ke 897.5 m³/ka letsatsi, ka phallo ea 17.81 L/(m³·h) le sekhahla sa moea sa 849.6 Nm³/min, ho boloka tekanyo ea moea le metsi ea 8.7:1
Sekhahla sa ho khutla ha seretse ho tloha tanka ea lera ho ea tanka ea aerobic ke 400%.
3) Kamore ea Pompo ea ho Khutlisa Sludge
Likamore tse peli tsa pompo, e 'ngoe le e' ngoe ea 10.9 m × 8.51 m, e nang le lipompo tse robeli tse khutlang
Lipompompo tse 'nè li fetisetsa seretse ho tloha ho membrane ho ea tanka ea aerobic (Q=2,910 m³/h, H=0.5 m, N=18.5 kW)
Lipompompo tse 'ne li khutlisa litšila ho tloha ho aerobic ho ea tanka ea anoxic (Q{0},190 m³/h, H=3.0 m, N=37 kW)
4) Kamore e Pharalletseng ea Thepa
mekato e 'meli ea tšepe-konkreite + mohaho oa foreimi, 44,5 m × 6,61 m
Mokatong o ka holimo: Kamore ea taolo ea sistimi ea MBR le lisebelisoa tsa dosing bakeng sa sodium hypochlorite le citric acid
Mokato o ka tlase: lipompo tsa metsi tse 9 (li sebelisoa tse 8, 1 e le bekapo, maqhubu a feto-fetohang, Q=493 m³/h, H=11–13 m, N=22 kW) le lipompo tse 4 tsa seretse (3 ea sebelisoa, 1 standby, Q=80 m³/h, H{11}} m, N=11 kW)
5) Kamore ea Blower
E hahiloe ka holim'a tanka ea aerobic, boholo ba kamore e 'ngoe le e' ngoe ea moea: 38.46 m × 7.8 m
Kamore e 'ngoe le e' ngoe e na le li-blower tse tharo tsa moea (e le 'ngoe e kholo le tse peli tse nyane, tse fapanyetsanoang bakeng sa ho hloka mosebetsi)
Mofuthu o moholo: Q=146 m³/m, H=7.5 m, N=223 kW
Mofuthu o monyane: Q=73 m³/m, H=7.5 m, N=112 kW
Li-membrane blowers (tse peli tse kholo le tse peli tse nyane, tse nang le redundancy lipakeng tsa li-blower tse kholo le tse peli tse nyane)
Mofuthu o moholo: Q=213 m³/min, H{1}}.5 m, N=223 kW
Mofuthu o monyane: Q=106.5 m³/min, H=4.5 m, N=112 kW
Tanka ea ho Kopana le Sebolaea Likokoana-hloko / Kamore ea ho Dosing / Kamore ea Phahamisa ea Phahamisa metsi a litšila
Tanka ea ho thibela likokoana-hloko, kamore ea ho noa metsi, le phaposi ea pompo ea phahamiso ea litšila li kopanngoe ho ba mohaho o le mong o boholo ba 140,{1}} m³/letsatsi. Tanka ea ho thibela likokoana-hloko e na le sebaka se feletseng sa 25.05 m × 23.35 m, se nang le bophahamo ba 4.9 m le botebo bo sebetsang ba 4.0 m, se hlahisang molumo o sebetsang oa 2,300 m³. Nako ea ho kopana ke metsotso ea 23.66, ka metsotso e meng ea 7.12 ka pipe ea litšila, bakeng sa nako eohle ea ho kopana ea metsotso ea 30.78. Ho kentsoe lipompo tse 'nè tse ka tlas'a metsi (3 ea sebetsa, 1 standby), e 'ngoe le e 'ngoe e na le Q=2,000 m³/h, H=16 m, le N=132 kW.
Kamore ea ho noa, e ka holim'a tanka e bolaeang likokoana-hloko, e sebelisa chlorine dioxide e le sebolaea-mafu ka 8 mg/L. Solid polyaluminium chloride (PAC) e tšeloa ka tekanyo e phahameng ea 30 mg/L bakeng sa ho tlosoa ha phosphorus ea lik'hemik'hale, 'me sodium acetate e sebelisoa e le mohloli oa carbon o ka ntle ho ntlafatsa ho tlosoa ha TN, ka tekanyo e kholo ea ho noa ho 30 mg/L.
Tanka ea polokelo ea li-sludge
Tanka e sa tsoa hahuoa ea polokelo ea liretse ke tanka ea konkreite e matlafalitsoeng ka tlas'a lefatše e bolelele ba 9.0 m × 9.0 m le botebo ba metsi ba 5 m, e fana ka bophahamo bo sebetsang ba 405 m³. Motsoako o ka tlas'a metsi o kenngoa ka har'a tanka ho netefatsa ts'ebetso e tsitsitseng ea ho tlosa metsi ka ho kopanya nakong ea ho ntša metsi a litšila. Tanka e boetse e na le meter ea ultrasonic sludge level meter, e lumellang pontšo ea nako ea sebele ea molumo oa sludge ka kamoreng e bohareng ea taolo le sebaka sa ho ntša metsi. Pompo ea seretse sa phepelo e ka emisoa ha boemo ba seretse bo phahame haholo, 'me motsoako o emisa ha boemo bo le tlase.
Tokiso ea Kamore ea ho Hlakola Metsi a Sludge
Pejana, se omisa lebanta se ne se sebelisoa bakeng sa kalafo ea seretse. Ka mor'a ho ntlafatsa, mochine o omisang lebanta oa pele o ile oa finyella litlhoko tsa matla a ho ntša metsi a litšila, empa litaba tsa monko tse amanang le seretse li ne li ke ke tsa rarolloa ka ho lekaneng. Ka hona, ho hlahisoa mechini ea centrifugal dewatering ho nka sebaka sa ho omisa lebanta. Mechini e mene e tšekaletseng ea ho theola metsi e entsoe, 'me e meraro e ea sebelisoa, e le 'ngoe e le bekapo, e sebetsa lihora tse 12 ka letsatsi. Mochine o mong le o mong o na le matla (Q) a 60 m³/h le matla (N) a 66 kW.
Sistimi ea Taolo ea Monko
Ka lebaka la ho haella ha mobu setsing sena sa ho hloekisa metsi a litšila, morero ona o ile oa amohela pheko ea monko o fetisoang setšeng, ka libaka tse tšeletseng tse khethiloeng:
1. Sistimi ea Taolo ea Monko 1: E shebana le monko o tsoang sebakeng sa ho phekoloa pele, e sebelisa mokhoa oa semela oa ho ntša monko o nang le matla a 6,200 m³/h.
2. Sistimi ea ho Laola Monko 2: E etselitsoe phaposi ea ho ntša metsi a litšila le tanka ea polokelo ea liretse, e nang le sesebelisoa sa ho ntša monko se entsoeng ke semela sa 4,500 m³/h.
3. Sisteme ea Taolo ea Monko 3: E shebana le monko o tsoang litanka tsa anaerobic / anoxic. Tanka e 'ngoe le e 'ngoe e na le matla a ho phekola a 13,{3}} m³/h. Ka lebaka la tšitiso ea sebaka ka phaposing e nang le litanka, litsamaiso tse peli tsa taolo ea monko oa biofiltration, e 'ngoe le e' ngoe e na le matla a 6,500 m³/h, e kentsoe likamoreng tse peli tse arohaneng mohahong oa tanka. Li-unit tse peli li arolelana stack e le 'ngoe ea exhaust mme li ka sebetsa ka botsona.
4. Sesebediswa sa 4 sa Biological Taolo ya Monko: E etseditswe meaho e kopantsweng ya MBR e mmedi, e nang le diyuniti tse pedi tsa biofiltration tse kentsweng hodima ditanka tsa aerobic, tse phekolang monko ka kakaretso ya 43,{3}} m³/h ho boloka sebaka.
Puisano ka Mehopolo ea Moralo o Motala ho Moralo oa Semela sa Metsi a litšila
1. AquaSust e sebelisa mefuta e fapaneng ea limela ho etsa litlhophiso tsa limela tse nang le mekhahlelo e mengata, tse nang le mefuta e mengata ho bontša tšusumetso ea tikoloho ea sechaba sa limela.
Taba ea bobeli, semela sena se bohareng ba sebaka sa thuto, 'me re theha karolo ea metsi a ceramic monyako oa eona o moholo. Metsi a hloekisitsoeng a sebelisoa hape bakeng sa ho lokisa naha ho matlafatsa temoso ea batho mabapi le paballo ea metsi le tšireletso ea tikoloho.
2. Mabapi le sebopeho sa sebaka le sebaka se setala, sehlooho sa rona sa "ho boloka lisebelisoa le ho sireletsa tikoloho" se lumellana le khopolo ea ntlafatso e fokolang ea "sponge city". Maiteko a macha a AquaSust a kenyelletsa marulelo a matala, botala bo otlolohileng le libaka tsa ho paka tse baballang tikoloho.
Re boetse re koahela foro ea oxidation ka mobu ho theha "mini park" ea litoropo e bonts'ang botle ba tikoloho le kutloano lipakeng tsa motho le tlhaho. Mohopolo oa "seponche" o ka sebelisoa e le thepa ea ho kenya mocheso bakeng sa meaho le ho fokotsa ho phalla ha marulelo le tšilafalo.
Liphetho tsa Phekolo ea Boleng ba Metsi
Ka mor'a morero oa ntlafatso ea boleng, setsi se ntlafetseng sa ho hloekisa metsi a litšila se ile sa qala ho sebetsa ka molao ka Tšitoe 2016. Palo ea boleng ba metsi a kenang le a phallang ho tloha ka Pherekhong ho ea ho Tšitoe 2017 e bonts'itsoe ho Lethathamo la 2.
Kakaretso ea Tlhahlobo e Feletseng ea Melemo
Poloko ea Mobu
Morero o akaretsa sebaka sa 34,991.54 m², se bontšang tšebeliso ea mobu ea 0.25 m²/(m³∙d), feela 25-30% ea 0.8{{ 9}–0.95 m²/(m³·d) e boletsoeng ho 2001 *Melao ea Kaho ea Morero oa Phekolo ea Litšila tsa Urban ho boloka sebaka se fetang 77,{14}} m² ea mobu le CNY e ka bang limilione tse 170.
Ho Boloka Matla
Ts'ebeliso ea motlakase oa likhoerekhoere molemong oa morero ke {0}}.46 kWh/m³, ha e bapisoa le 0.50–0.60 kWh/m³ limela tse teng tsa lehae tse nang le ts'ebetso ea ho hloekisoa ha membrane, e emelang boemo bo tlase- boemo ba tšebeliso ea matla. Ho boloka matla ka selemo ho fihla bonyane limilione tse 2 kWh, 'me litšenyehelo tsa motlakase li bolokoa tse ka bang limilione tse 1.6 tsa CNY.
Paballo ea Metsi
Litšila tsa morero, ka mor'a phekolo e tsoetseng pele, li ka sebelisoa hape e le metsi a letša nakong ea hoetla le mariha, ho fokotsa ho itšetleha ka metsi a pompo. Mokhoa ona o boloka metsi a ka bang limilione tse 4 ka selemo.
Poloko ea Lintho
Moralo ona o sebelisa lisebelisoa tse seng li ntse li le teng (mohlala, ntlo ea balebeli, moaho o moholo, sebaka sa ho hloekisoa pele, likotopo tsa oxidation, phaposi ea metsi a litšila le phaposi ea taolo e bohareng), ho boloka chelete e ka bang limilione tse 80 tsa matsete. Tšebeliso ea mehloli ea PAC le carbon e lula e le ka tlaase ho 30 mg/L, ha e bapisoa le hoo e ka bang 50 mg/L mererong e tšoanang, ho boloka hoo e ka bang 20 mg/L. Lipolokelo tsa selemo le selemo ho PAC le mehloli ea khabone e ka ba lithane tse 1,000 kapa limilione tse 2.5 tsa CNY.
Melemo ea Tikoloho
Ntlafatso ea boleng e fokotsa haholo litšilafalo tse tšelloang linōkeng. Ka tekanyo ea phekolo ea 140,000 m³/d, ho hakanngoa hore e tla fokotsa litšila ka chelete e latelang ea selemo: CODCr ka 13,100 t, BOD5 ka 4,740 t, SS ka 8,320 t, TN ka 960 t, le TP ka 140t.
Melemo ea Ecological Landscape
Morero o fana ka phokotso e felletseng ea monko le lerata bakeng sa polante ha e ntse e ntlafatsa ponahalo ea naha ka kakaretso, ho e fetola serapa sa litoropo se ntlafatsang haholo bophelo ba baahi ba haufi.
Qetello
AquaSust e phethetse morero oa polante ea ho hloekisa metsi a litšila ka mokhoa oa "AAO + MBR" o ipapisitseng le mohopolo oa ho hloekisa metsi a litšila a matala, a chitja le a nang le khabone e tlase.
Leha ho na le liphephetso tse kang mobu o lekanyelitsoeng, kutloelo-bohloko ea tikoloho, le litekanyetso tse thata tsa mesi, lintlha tsa ts'ebetso li bonts'a hore re fihletse lipheo tse ngata ka katleho. Tsena li kenyelletsa ho ntlafatsa maemo a ho hloekisoa ha metsi, ho sebelisoa bocha le ho sebelisa metsi a litšila, ho ntlafatsa monko le phokotso ea lerata, hammoho le ho ntlafatsa sebopeho sa naha ka kakaretso.