Cov txheej txheem ntws tawm thiab cov khoom siv tseem ceeb hauv hom npe-tshwj xeeb Ras

Lub hauv paus rau phau ntawv

Recirculating Ageaculture Systems (RAS) yuav tsum muaj cov txheej txheem tsim qauv thiab cov khoom siv tshwj xeeb kom tau raws li cov kev xav tau ntawm cov roj ntsha thiab ib puag ncig ntawm cov hom sib txawv. Kev hloov pauv hauv kev pov tseg hauv kev pov tseg ntau lawm, cov pa tawm mus rau hauv dej ua tau zoo, thiab kev coj cwj pwm xav tau yam zoo hauv Ras engineering. Tsab ntawv no yuav tshuaj xyuas cov kev tseem ceeb no los ntawm kev txheeb xyuas cov txheej txheem ntws tawm thiab cov ntses salmish (piv txwv li, cws), hiav txwv cucumbers, thiab abalones. Txhua pab pawg xav tau cov kev daws teeb meem tshwj xeeb hauv kev lim dej, thiab cov txheej txheem txheej txheem thiab cov txheej txheem thiab cov qauv kev tswj hwm cov qauv dej.

I. RAS rau FORFICFICFIC

(1) Cov txheej txheem kev kho dej ntws ntws

Lub ntsiab recirculation voj:

Ntses tank → sab nruas lim lim → chatein skimmer (nrog ozone txhaj tshuaj

Txheej txheem dej kho mob:

Cov nthwv dej siab → thawj lub pas dej hauv av (hlua) → sandter twj → sanding twj siv → sursein skimmer → SENEFATTER BIOFILTER.

(2) Cov Txheej Txheem Tseem Ceeb

Cov chaw loj:

• Plaub-theem txhawb nqa biofilter nrog ntws-los ntawm kev tsim qauv
• Channel-Hom UV Sterilization Tank

Cov Khoom Siv Hauv:

• Protein Skimmer
• Txuas nrog Tsis Siv Neeg Nruag Nruag Lim
• Inline Oxygorator
• Kev Twj Tso Kua Mis
• Cov Phaj Kub Exchanger
• Cov hauv paus hniav blower  sand lim (rau pleev seawater)
• Cov kua pa oxygen tank (sab nraud rau chaw)
• Dej Saib Xyuas Zoo / Zaub System

Ancillary chaw:

• Tswj Chaav
• Khoom Siv Khoom Cia
• Tsev kawm txuj ci
• Dej Zoo Saib Xyuas Chav

(3) cov ntsiab lus tseem ceeb

Cov Qauv Dej:

• SS: 8Mg / L
• Cod:<35mg/L
• Tag nrho cov Coliforms:<3,500 CFU/L

Xyaum Tsim:

• Dej pauv tus nqi: 1 lub voj voog puv ib 2-4 teev
• Production Capacity: >30 kg / m³ rau cov nroog tiaj (piv txwv li, turbot / Flounder)

Ii. Ras rau cws

(1) Cov txheej txheem kev kho dej ntws ntws

Tuam Tshoj tus thawj coj Certured muaj xws li fenerpenaeus chinentis (menaeus mitrimp), pacificus penimp), pacificus purimpatus (Fenneropenaeus merguiensis (txiv tsawb Shrimp), metapenaeus ensis (greasterBack cws), thiab exopalaemon Carinicauda (Radged White Shrimp). Vim yog cov mob muaj mob hnyav hauv cov nruab nrab qhib-lub tshuab qhib, noj qab nyob zoo shrimp ua liaj ua teb tau hloov zuj zus hauv ob qhov lus qhia:

①integrated ecological ua liaj ua teb nyob rau hauv a supalittoral / infttidal thaj chaw

②②-based high-density Ras

Cov cw suav Suav, tus kab mob Japanese, pom cov kab lis kev cai ntawm lub ntiaj teb, feem ntau siv rau kev coj ua lub neej ntawm cov hom yog South American Shrimp.

Cov txheej txheem Ras Optimized rau cws:

Cw duas kab lis kev cai tank → sedimentation tank → sanding ecological culture ecologation ecological culture → Surimp Culture Tank

Pleev Dej yog muab los ntawm lub pas dej mus rau BioFilter. Ntau cov dej dej ywj pheej kho tuaj yeem tso tawm raws li cov nplai ua liaj ua teb kom haum cov tsiaj sib txawv thiab piv txwv kev tswj hwm.

Cov chaw tseem ceeb muaj xws li:

• Shrimp Kab Mob Tso Tsheb Hlau Luam
• Dej Cia Khoom Siv Khoom Ntim
• Biofilter
• Kev ua kom muaj tank
• Xuab zeb lim
• Kev sib xyaw ua ke lub pas dej

(2) Cheebtsam loj

Orshrimp kab lis kev cai tso tsheb hlau luam

• Cov duab:Dectangular (2-3: 1 ntev-rau-dav piv) rau qhov chaw ua haujlwm
• Thaj Chaw: 500-2,000 m²
• Qhov tob:1.8-2.0 m
• Ntsej Muag:

Sab phab ntsa: 1: 1.5 txog 1: 2

Hauv qab: 1: 1,000 rau 1: 2,000 Gradient

1. Nta:

Inlet / qhov hluav taws xob ntawm cov rooj zaum luv luv

Kev tsis txaus siab (av nplaum lossis geomembranrane) rau cov av xau

②Water Cia Khoom Dej

• Rooj mov: Muab dej pleev rau biofilter los ntawm kev nqus tawm
• Tsim:

Tidal-cuam tshuam kev tsim kho

Thaj chaw thaj tsam piv txwv rau kev tso tsheb hlau luam, 1: 1.5 txog 1: 2

Muaj peev xwm txaus rau ntau dua lossis sib npaug rau 1 lub voj voog ntau lawm (kaw kev ua haujlwm tiv thaiv kab mob pathogen tiv thaiv)

• Cov kev xaiv me me -

Lub zog lim dej

Permeable reservoirs

Cov txiaj ntsig ecological:

• Hnub ci kev ncaws pob:Txhua hnub UV kis
• Ntuj Aeration:Cua-tsav nto vuam tswj siab ua
• Microbial / Algal Kev Loj Hlob:Substrate cov foos hauv cov zej zog bioactive rau cov dej lim
• Cov ntaub ntawv teb qhia cov ntug dej hiav txwv tswj cov dej khov kho zoo thaum cais tawm sab nraud.

III. Ras rau hiav txwv dib

Hiav txwv ducume ras yuav tsum muaj kev tshwj xeeb rauZog EfficiencythiabNqi txo, tshwj xeeb tshaj yog thaum lub caij ntuj no thaum lub zog hluav taws xob xav tau siab. Tshaj dhau kev tsim cov chaw muaj zog-txuag tau, cov dej ua dua tshiab txo cov nqi cua sov los ntawm kev rov ua hluav taws xob txias. Lub kaw lus tsim tawm tsom rauCov Dej Ua ZoothiabZog Kev Txhim Kho Kub.

(1) Cov txheej txheem kev kho dej ntws ntws

Cov txheej txheem optimized rau hiav txwv dib kab lis kev cai:

Kab lis kev cai Tank effluent → bedimentation / microCreen Filtration → Cov Kev Cai Kub → Kev Kho Mob → Culture CART Kev Lag Luam

(2) Kev tsom xam cov dej tiv thaiv dej

①SOLID Tshem tawm cov kev xaiv

• Toentitation tank:

Pros: Xoom ua hauj lwm tus nqi

Cons: Txo kev tshem tawm EfficiCiency vs. Mas nrho

• Microscreen FeevTtration:

Cov kev xaiv: nkhaus-cov ntxaij lim dej, Inline lim dej, nruas lim

Kev lag luam tawm:

-Curved Screens: Tsawg dua me me tshem tawm tab sis tsawg heev Zog siv

-Automated nruas lim: High efficiency tab sis xav tau lub zog tswv yim

②protein skimmer nrog ozone

• Tshem tawm cov lus<30 μm and organic colloids
• Ozone cov txiaj ntsig:

Pathogen inactivation

Dissolved organic teeb meem (Dom) oxidation

Ntug dej

Kev ua yeeb yaj kiab

③biofiltration system

• Cov leeg biofater:

Microbe-Coated Media Daws Deatolled Orgics Thiab Ammonia

• Kev sib xyaw BioFilter (pom zoo):

Dual Txheej Tsim:

-Lower txheej: txhuam-hom biofilm cov cab kuj

-Upper txheej: macroalgae (piv txwv, ulva) rau cov khoom noj muaj txiaj ntsig zoo thiab o₂ ntau lawm

Nta:

Lub Teeb Pom Kev Ua Tsev Cog Khoom Teeb Tsev Tsev Cog Khoom (Nruab Nruab Nruab Nrab)

Retractable thermal kab hlaule (hmo ntuj rwb thaiv tsev)

Ntau-Hopeper hauv qab dej

Nplua-npuas Aerer ntawm lub taub

④uv kom tsis muaj menyuam

• Channel hom: Yooj yim, kev tswj hwm qis rau hiav txwv dib ras

⑤temperature txoj cai

• Lub caij ntuj no:KUB cua kub
• Lub caij ntuj sov:Chilled tob seaterwater lossis tub yees

⑥⑥

• Nplua-bubble diffusers hauv biofilters txhim kho:

Ua qib

Biofilm kev ua si

Cov txheej txheem chaw

• Cov liaj teb me / nruab nrab: cov kev kho mob thiab kev coj noj coj ua hauv ib lub tsev
• Cov liaj teb loj: Dedicated dej kho tsob nroj nrog cov khoom xa tuaj

IV. Ras rau Abalone

Nyob rau hauv ntuj ceeb tsheej, abalone predominantly nyobPob zeb Crujices, Qhov tsua, thiab LEDgestsis pub dhau Algal-nplua nuj Zones Tus cwj pwm los ntawmPristine dej zoo thiab muaj zog kurtrentsCov. Muab lawv cov dej uas muaj dej siab zoo, tso siab Ras yuav tsum muaj:

• Minimal cov khib nyiab
• Siab pob tshab
• Loudissolled organic kuab paug
• Elevated dissolved oxygen (DO >6 mg / l)

①UILWATING INTAKE LAG LUAM

Txhawm rau kom tsis txhob siv cov dej uas muaj peev xwm paug tsis huv

• Tidal pas dej
• Lim-txaj hmoov
• Permeable cia khoom plig

Cov no cov kev kho mob thawj zaug ua ntej dej cob qhia Ras txoj kev qhia.

Txheej Txheem Kho Kom Zoo

Optimized txheej txheem txaus:

Abalone kab lis kev cai tso tawm → MiZone Prodtration (nrog ozone) → biofilter → Cov oxy oxygen → Culture Culture Cution → Culture Culture Cution → Culture Culture Cution → Culture Culture Cution → Culture Agtion → Culture Culture Culture Cution → Culture Culture

Cov khoom tseem ceeb:

• Ozone-Enhanced Protein Skimmer:

Qhov tseem ceeb rau cov pathogen tswj thiab organic kev tshem tawm

Kev ua haujlwm sib tham sib tham nrog UV rau kev tua kab mob

• Tsim BiOfilter Tsim:

Upper cheeb tsam:Raug tshem tawm Macroalgae (Gracilaria lossis Ulva) rau cov khoom noj muaj txiaj ntsig

Qis qis:Txhuam-Hom Biofilm Carrier rau Microbial Nitricification

Puag:Kev nplua-npuas-npuas nrog ntau lub Hopper Sludge sau

• Dual Kab Tshuaj Lom Ua Si:

Ozone (0.1-0.3 mg / l residual) rau kab mob kis / kab mob

UV (40MJ / CMO) raws li theem nrab theem

③temperature txoj cai

Cov tswv yim caij ntuj: