Qhov zoo thiab siv tau cov ntsiab lus ntawm Disc Diffusers hauv Aquaculture-Ua Chile ua piv txwv
Nrog rau kev txhim kho txuas ntxiv ntawm kev lag luam thoob ntiaj teb kev lag luam rau kev siv zog, kev tsim kho tshiab, thiab kev ruaj khov ntsuab, qhov kev thov rau cov khoom siv aeration uas muaj txiaj ntsig zoo, lub zog-txuag, ruaj khov, thiab ib puag ncig tus phooj ywg yog nce txhua xyoo. Disc diffusers tau maj mam dhau los ua cov khoom siv aeration uas nyiam rau ntau qhov loj - cov lag luam aquaculture thiab kev ua liaj ua teb vim lawv qhov tshwj xeeb ntawm qhov zoo. Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias tsuas yog xaiv siab - zoo disc diffusers tsis txaus; mastering scientific practical applications point and standardized operation method is the tseem ceeb heev rau muab tag nrho cov kev ua si rau lawv qhov siab tshaj plaws kev ua tau zoo thiab ua kom lub sij hawm ntev -kev ruaj ntseg ntawm aquaculture system. Tsab ntawv xov xwm no yuav piav qhia txog cov txiaj ntsig tseem ceeb ntawm disc diffusers thiab cov ntsiab lus tseem ceeb hauv lawv daim ntawv thov, ua ke nrog cov xwm txheej ntawm Chilean aquaculture los muab cov tswv yim siv rau cov kws kho tsiaj thoob ntiaj teb.
Ua ntej, hais txog kev siv hluav taws xob, disc diffusers muaj qhov pom tseeb thiab ntsuas tau zoo dua li cov khoom siv aeration. Cov npuas me me uas tsim los ntawm cov porous disc muaj lub sijhawm nyob ntev hauv kab dej-feem ntau 2-3 zaug ntev dua li cov npuas loj uas tsim los ntawm cov tshuab aerators zoo tib yam- uas ua kom cov pa oxygen hloov pauv tau zoo (OTE) thiab oxygenation peev xwm rau ib chav tsev ntawm lub zog noj. Raws li cov ntaub ntawv hauv kev lag luam, piv nrog cov paddle aerators, disc diffusers tuaj yeem txuag tau 30% -50% ntawm hluav taws xob hluav taws xob raws li qhov xav tau ntawm cov pa oxygen, uas txhais tau tias txo qis rau lub sijhawm ntev -cov nqi khiav lag luam ntawm aquaculture, qhov tseem ceeb rau kev txhim kho cov txiaj ntsig ntawm cov lag luam aquaculture. Thib ob, disc diffusers yog tus cwj pwm los ntawm kev ua haujlwm ntev thiab muaj zog ib puag ncig adaptability. Feem ntau ntawm cov ntaub ntawv disc yog siab -zoo EPDM roj hmab, khoom noj khoom haus qib silicone roj hmab, los yog ceramic, uas muaj corrosion kuj zoo heev rau acidic thiab alkaline tshuaj nyob rau hauv dej, zoo hnav tsis kam tiv thaiv sediment kev sib txhuam, thiab muaj zog aging kuj nyob rau hauv ntev - lub sij hawm immersion thiab aeration tej yam kev mob. Cov ntaub ntawv no tuaj yeem hloov kho kom haum rau qhov chaw dej tsis sib haum thiab sib txawv hauv cov pas dej aquaculture, xws li siab - dej hiav txwv salinity, high-alkalinity freshwater, thiab dej uas muaj cov organic teeb meem siab. Tsis tas li ntawd, disc diffusers yog tsim los nrog kev yooj yim hauv kev teeb tsa thiab kev saib xyuas. Lawv tuaj yeem hloov kho tau yooj yim rau hauv qhov chaw ruaj khov (hauv qab-mounted) lossis txoj hauv kev ntab raws li qhov xav tau tiag tiag ntawm lub pas dej aquaculture, dej tob, thiab hom kab lis kev cai. Kev ua haujlwm tu txhua hnub yog qhov yooj yim, feem ntau suav nrog kev tu lub ntsej muag kom tshem tawm biofouling (xws li algae thiab cov kab mob slime) thiab cov av nkos, uas tiv thaiv kev txhaws ntawm cov qauv ntxeem tau thiab ua kom ruaj khov aeration ua haujlwm.
Cov ntaub ntawv tswv yim: Daim ntawv thov ntawm Disc Diffusers hauv Chilean Salmon Aquaculture
Chile yog ib lub teb chaws thoob ntiaj teb ua liaj ua teb, nrog cov salmonids (xws li Atlantic salmon, coho salmon, thiab zaj sawv trout) ua hom kab lis kev cai tseem ceeb, suav txog 92.3% ntawm lub teb chaws aquaculture exports. Feem ntau ntawm Chile's salmon aquaculture yog concentrated nyob rau hauv lub 10th thiab 11th cheeb tsam nyob rau hauv sab qab teb, qhov twg cov dej kub yog haum (8-}15 degree) thiab cov dej zoo huv si, tab sis lub high - ceev intensive kab lis kev cai hom (tshwj xeeb tshaj yog nyob rau hauv lub voj voog hiav txwv tawb nrog ib txoj kab uas hla ntawm 10-15 meters dej zoo stability). Ib lub lag luam loj loj hauv Los Lagos Cheeb Tsam ntawm Chile (nrog rau cov khoom lag luam txhua xyoo ntawm 12,000 tons ntawm Atlantic salmon) ib zaug ntsib teeb meem xws li kev siv hluav taws xob ntau ntawm cov khoom siv aeration, tsis sib xws oxygen faib hauv tawb, thiab nquag hypoxic stress nyob rau hauv salmon, uas cuam tshuam rau cov ciaj sia taus thiab cov khoom zoo.
Txhawm rau daws cov teeb meem no, lub tuam txhab tau hloov kho nws lub tshuab aeration thiab tau txais siab -zoo ceramic disc diffusers (qauv: 200mm txoj kab uas hla, qhov pore loj 10-}20μm) hauv 2023. Ua ke nrog cov yam ntxwv ntawm Chile lub ntug dej hiav txwv aquaculture ib puag ncig (siab{5}} dej hiav txwv, salin kev lag luam tam sim no. taag installation txoj kev rau lub disc diffusers, thiab scientifically tsim lub layout raws li qhov loj ntawm lub voj voog tawb thiab qhov ceev ntawm salmon kab lis kev cai. Tom qab 12 lub hlis ntawm kev siv tswv yim, cov nyhuv aeration ntawm cov disc diffusers tau raug txheeb xyuas zoo, thiab kev lag luam tau ua tiav cov txiaj ntsig zoo ntawm kev lag luam thiab ecological.
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Qhov taw qhia |
Ua ntej siv Disc Diffusers (Traditional Paddle Aerators) |
Tom qab siv Disc Diffusers |
Txhim kho nyhuv |
|
Kev siv hluav taws xob ib tuj ntawm Salmon |
1 85 kWh |
102 kWh os |
Kev txuag hluav taws xob 44.9% |
|
Qhov nruab nrab DO hauv Culture Dej (mg / L) |
4.2-5.5 |
6.8-8.2 |
Ua tau raws li qhov pom zoo DO ntau (6.5-9 mg / L) rau cov ntses salmon |
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Salmon Survival Rate |
82.3% |
93.7% |
Nce los ntawm 11.4 feem pua cov ntsiab lus |
|
Pub Conversion Ratio (FCR) |
1.38 |
1.32 |
Txo los ntawm 4.3%, txo tus nqi pub |
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Aeration Equipment Maintenance Frequency |
Ib zaug txhua 25 hnub |
Ib zaug txhua 60 hnub |
Kev kho lub voj voog txuas ntxiv los ntawm 140% |
Tus neeg saib xyuas ntawm lub tuam txhab tau hais tias qhov laj thawj tseem ceeb ntawm kev xaiv disc diffusers yog lawv qhov kev hloov pauv tau zoo rau qhov siab -salinity marine ib puag ncig hauv Chile-ceramic disc diffusers muaj kev tiv thaiv corrosion zoo heev thiab tuaj yeem ua haujlwm ruaj khov rau ntau tshaj 5 xyoo hauv qab - lub sij hawm immersion nyob rau hauv seawater. Nyob rau tib lub sijhawm, cov npuas me me uas tsim los ntawm cov disc diffusers tuaj yeem sib xyaw ua ke nrog cov dej hauv lub cev, tshem tawm cov kab mob hypoxic tuag nyob rau hauv qhov tob ntawm lub tawb, uas daws tau qhov teeb meem ntawm cov pa oxygen tsis sib xws hauv cov tshuaj aeration. Tsis tas li ntawd, lub zog-txuag cov nyhuv ntawm disc diffusers yog qhov tshwj xeeb, uas pab cov lag luam txo cov nqi khiav lag luam raws li keeb kwm ntawm kev nce nqi hluav taws xob thoob ntiaj teb, thiab tseem ua tau raws li Chile lub teb chaws cov kev cai rau ntsuab thiab qis -carbon aquaculture development.
Cov ntaub ntawv no ua pov thawj tag nrho tias disc diffusers tuaj yeem hloov kho kom haum rau cov kev lag luam aquaculture ntawm Chile cov ntses salmon, thiab tuaj yeem daws qhov mob ntawm lub zog siv zog, tsis zoo aeration nyhuv, thiab cov nqi kho mob siab ntawm cov khoom siv aeration. Rau Chilean aquaculture tuam txhab (tshwj xeeb tshaj yog ntses salmon thiab trout ua liaj ua teb), xaiv cov disc diffusers tsim nyog thiab scientific daim ntawv thov txoj kev yog ib txoj hauv kev tseem ceeb los txhim kho kev ua liaj ua teb, txo cov nqi, thiab txhim kho cov khoom sib tw.
Cov ntsiab lus tseem ceeb ntawm Disc Diffusers hauv Daim Ntawv Thov (ua ke nrog Chilean Aquaculture yam ntxwv)
Hauv kev siv tswv yim, thawj lub ntsiab lus tseem ceeb uas yuav tsum tau them sai sai rau yog qhov tsim nyog layout ntawm disc diffusers. Tus naj npawb, qauv, thiab kev teeb tsa ntawm diffusers yuav tsum raug txiav txim siab raws li thaj chaw thiab qhov tob ntawm lub pas dej hauv pas dej (lossis tawb), hom thiab qhov ntom ntawm kab lis kev cai, thiab lub hom phiaj DO. Lub hom phiaj tseem ceeb ntawm kev tsim qauv yog los xyuas kom meej cov pa oxygen faib thoob plaws hauv tag nrho cov dej hauv lub cev, tsis tsim cov chaw tuag hypoxic. Rau Chilean salmon ncig tawb, disc diffusers feem ntau yog teem rau sab hauv phab ntsa ntawm lub tawb (30-50 cm saum toj ntawm lub tawb hauv qab) los tsim cov dej ntws ncig, uas txhim kho cov nyhuv sib xyaw thiab tsis txhob pub cov khoom seem thiab cov quav ntses tsub zuj zuj; rau lub pas dej dej tsis zoo nyob rau sab qaum teb Chile, ib daim phiaj tsim tau txais yuav, nrog rau qhov kev ncua deb ntawm cov disc diffusers uas nyob ib sab tswj ntawm 2-3 meters.
Qhov thib ob, nws yog ib qho tseem ceeb kom phim cov cua tshuab kom haum rau cov disc diffusers. Cov huab cua ntim thiab siab ntawm lub tshuab blower yuav tsum sib haum nrog tag nrho cov huab cua xav tau ntawm cov xaiv disc diffusers kom ntseeg tau tias huab cua txaus thiab ruaj khov. Rau Chilean ntug dej hiav txwv aquaculture, xav txog qhov cuam tshuam ntawm dej hiav txwv tam sim no, nws raug nquahu kom xaiv lub tshuab cua nrog 10% -15% siab dua huab cua siab dua li tus qauv thov kom tsis txhob muaj cov npuas dej txaus los ntawm cov dej ntws. Cov huab cua tsis txaus yuav ua rau cov npuas me me thiab cov pa oxygenation tsawg, thaum huab cua ntau dhau yuav ua rau lub zog pov tseg thiab tuaj yeem ua rau cov diffuser puas.
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Cultured hom nyob rau hauv Chile |
Qhov zoo tshaj plaws DO Range (mg / L) |
Pom zoo Disc Diffuser Model |
Txoj Kev Txhim Kho |
Cov ntsiab lus tseem ceeb ntawm Daim Ntawv Thov |
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Atlantic Salmon |
6.5-9.0 |
Ceramic Disc Diffuser (330 hli) |
Hauv qab -mounted tsau (cage) |
Npaj raws phab ntsa sab hauv, ntxuav ib zaug txhua 60 hnub kom tsis txhob muaj cov pa roj carbon monoxide |
|
Zaj sawv Trout |
6.5-8.5 |
EPDM Roj Hmab Disc Diffuser (270mm) |
Grid layout (pas dej tshiab) |
Tswj dej qhov tob ntawm 1.5-2.0m, kho aeration siv raws li dej kub |
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Chilean Mussel |
5.0-7.5 |
Silicone Disc Diffuser (215 hli) |
Floating installation |
Ua kom haum rau qhov chaw dej hiav txwv ntiav, tsis txhob muaj sediment clogging |
Tsis tas li ntawd, nws yog ib qho tsim nyog yuav tsum tsim kom muaj lub tshuab ntsuas dej tsis tu ncua, siv cov cuab yeej tshaj lij los saib xyuas cov ntsuas tseem ceeb xws li DO, ammonia nitrogen, nitrite, thiab pH qhov tseem ceeb. Rau Chilean salmon aquaculture, ammonia nitrogen cov ntsiab lus yuav tsum tsis pub tshaj 0.02 mg / L, thiab nitrite yuav tsum tsis pub tshaj 0.055 mg / L. Raws li cov kev hloov pauv hauv cov dej ntsuas dej zoo thiab qhov kev loj hlob ntawm cov kab mob hauv dej (xws li lub sij hawm molting ntawm salmon thiab lub sij hawm spawning ntawm trout), lub sij hawm aeration thiab kev siv ntawm disc diffusers yuav tsum tau kho raws sij hawm kom ua tiav cov pa oxygen thiab tsis txhob siv hluav taws xob pov tseg. Piv txwv li, thaum lub sij hawm siab tshaj - kub nyob rau lub caij ntuj sov (dej kub tshaj 15 degree), cov pa oxygen noj ntawm lub cev dej nce, thiab lub sij hawm aeration ntawm disc diffusers yuav tsum tau ncua 3-4 teev; Thaum lub sij hawm me nyuam yaus ntawm cov ntses salmon, qhov kev siv aeration yuav tsum tau nce kom tsim nyog kom ntseeg tau tias DO hauv lub cev dej tsis tsawg dua 7 mg / L.
Xaus
Disc diffusers, nrog rau lawv qhov zoo ntawm kev ua haujlwm siab, muaj zog ib puag ncig adaptability, yooj yim installation thiab txij nkawm, tau dhau los ua ib qho tseem ceeb ntawm cov cuab yeej tseem ceeb hauv kev ua liaj ua teb niaj hnub no. Daim ntawv thov rooj plaub ntawm Chilean salmon aquaculture qhia tau hais tias kev xaiv kev tshawb fawb thiab kev siv cov disc diffusers tsis tuaj yeem daws qhov mob ntawm cov khoom siv aeration nkaus xwb tab sis kuj pab cov lag luam aquaculture txo nqi, txhim kho kev ua haujlwm, thiab ua tiav kev loj hlob ntsuab thiab ruaj khov. Rau cov kws tshaj lij thoob ntiaj teb, tshwj xeeb tshaj yog cov neeg koom nrog kev coj noj coj ua ntawm siab - hom tsiaj xws li salmon thiab trout, kev paub txog cov txiaj ntsig tseem ceeb thiab cov ntsiab lus siv tswv yim ntawm disc diffusers yog qhov tseem ceeb heev rau kev txhawb nqa siab - kev loj hlob zoo ntawm kev lag luam aquaculture.
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