Juntai MBBR + Aeration + Nruas Lim: Ua tau zoo Vannamei Shrimp Intensive Culture
Vannamei Shrimp yog hom cw loj tshaj plaws hauv ntiaj teb. Nrog rau qhov zoo ntawm kev loj hlob sai, siab pub hloov pauv tus nqi thiab cov nqaij zoo zoo, nws tau dhau los ua hom tseem ceeb ntawm kev siv dej ntau hauv Suav teb. Txawm li cas los xij, nyob rau hauv siab - kab lis kev cai ntom ntom, cov teeb meem dej tsis zoo xws li cov khoom seem ntawm cov khoom noj thiab cov quav, cov ammonia nitrogen thiab nitrite ntau dhau, thiab cov pa oxygen tsis txaus tshwm sim ntau zaus, uas yuav ua rau cov cw ntxhov siab thiab kab mob, cuam tshuam rau kev yug me nyuam.
Txhawm rau daws qhov mob no, "golden ua ke" ntawm microfilter + MBBR (tsiv txaj Biofilm Reactor) + siab -efficiency aeration system tuaj yeem paub txog kev sib koom ua ke ntawm kev pom lub cev, kev lim dej lom neeg thiab tag nrho - txheej txheem aeration, kev tiv thaiv dej zoo ruaj khov, thiab pab cov neeg ua liaj ua teb txhim kho kom zoo thiab ua haujlwm zoo.
Hauv Vannamei Shrimp kab lis kev cai, microfilter yog "thawj kab ntawm kev tiv thaiv" rau kev tswj dej zoo. Vannamei Shrimp muaj cov pa oxygen tsawg thiab ua rau cov dej tsis zoo, thiab lub cev saum npoo ntawm cov menyuam yaus cov cw yog qhov tsis yooj yim thiab yooj yim rau khawb thiab kis kab mob los ntawm impurities. Nrog rau kev hloov kho lim mesh ntawm 30-80μm, lub microfilter tuaj yeem cuam tshuam loj-particle impurities xws li cw quav, seem pub thiab molting khib nyiab, nrog kev cuam tshuam kev ua haujlwm ntawm ntau dua 90%. Lub cev lim dej ntshiab tsis muaj cov pa phem thib ob, uas tuaj yeem tsis tsuas yog txo cov turbidity thiab ua kom cov dej pob tshab, txhawb kev loj hlob ntawm cov txiaj ntsig algae los muab cov khoom noj khoom haus zoo, tab sis kuj txo qis cov tshuaj lom neeg los ntawm qhov chaw, tsis txhob muaj kev pheej hmoo xws li cws kev nyuaj siab thiab kev vibriosis, thiab txhim kho cov ciaj sia taus ntawm kib thiab cov neeg laus cw zoo.
Ib lub nruas nruas tsis tuaj yeem tshem tawm cov pa phem xws li ammonia nitrogen thiab nitrite, thaum cov txheej txheem MBBR tuaj yeem tsim tau ob qho kev lees paub ntawm "kev cuam tshuam lub cev + kev puas tsuaj" kom ua tiav hauv - kom huv si tob.
MBBR reactor tau txais cov dej lim los ntawm microfilter, nrog rau ntau yam qauv muaj rau kev hloov kho. Nws cov porous suspended muab tub lim (tshwj xeeb thaj tsam loj dua lossis sib npaug li 1200m² / m³) tuaj yeem muab cov khoom siv txuas ntxiv rau cov kab mob muaj txiaj ntsig los tsim cov kab mob biofilm, ua kom muaj cov tshuaj lom neeg tsis zoo, thiab ua kom cov dej tsis zoo nyob rau hauv qhov tsim nyog rau cov cw (ammonia nitrogen Less tshaj li 0mg / L, los yog sib npaug rau qhov sib npaug. 0.1mg / L). Nyob rau tib lub sijhawm, qhov ua ntej - pom ntawm microfilter tuaj yeem zam kev txhaws ntawm MBBR muab tub lim los ntawm impurities, txo cov haujlwm ua haujlwm, thiab txuas ntxiv lub neej kev pabcuam ntawm cov muab tub lim.
The high-efficiency aeration system is the "power core" of the entire system and the "oxygen supply guarantee" for shrimp, which works synergistically with the previous two to achieve an effect of 1+1+1>3. Vannamei Shrimp muaj kev thov siab rau cov pa oxygen. Lub tshuab aeration siv micro- ntxeem tau nano aeration kav kom nce cov pa oxygen siv mus rau 30%-40%, tsis tu ncua muab cov pa oxygen los tiv thaiv lub taub hau ntab, thiab inhibit qhov kev loj hlob ntawm cov kab mob anaerobic. Nws cov dej ntws cuam tshuam tuaj yeem ua kom muaj dej ntws tag nrho MBBR muab tub lim, txhim kho degradation efficiency, thiab txhawb cov sedimentation thiab tawm ntawm impurities los tsim lub voj voog kaw; ua ke nrog kev txawj ntse tswj kev hloov pauv, nws txuag ntau dua 30% lub zog piv nrog cov khoom siv ib txwm siv, txo cov nqi siv hluav taws xob.
Hauv kev yug me nyuam tiag tiag, qhov zoo ntawm qhov kev sib koom tes no yog qhov tseem ceeb: tom qab tau nruab rau hauv lub hauv paus tilapia hnyav hauv Anhui, kev yug me nyuam ceev tau nce los ntawm 80 cws / ㎡ mus rau 120 cw / ㎡, qhov ciaj sia ntawm kib tshaj 95%, thiab cov txiaj ntsig zoo tau nce los ntawm 25%{5}; thaj av-raws li txoj haujlwm hauv lub pas dej hauv Is Nrias teb tau paub txog kev rov ua dua ntawm cov dej yug me nyuam, nrog rau cov dej tso tawm txhua hnub tsuas yog 2.8% ntawm tag nrho cov dej ntim, uas yog raws li txoj cai ntawm kev yug me nyuam ntsuab.
Cov txheej txheem no yog sib xyaw ua ke, thiab nws qhov tsis tuaj yeem hloov kho tau yooj yim raws li kev loj hlob thiab theem, hloov mus rau ntau yam xwm txheej xws li industrialized thiab av-raws li cov kab lis kev cai hauv pas dej; lub tshuab tswj ntse ntse tuaj yeem ua tau tiag tiag -lub sijhawm saib xyuas dej zoo thiab hloov kho tsis tau, tsis muaj 24-teev phau ntawv ntawm lub luag haujlwm, txuag nyiaj ntau heev.
Tam sim no, Vannamei Shrimp kab lis kev cai tau hloov mus rau kev siv zog thiab kev cog qoob loo, thiab kev tswj xyuas dej zoo yog qhov tseem ceeb. Lub microfilter, MBBR thiab aeration ua hauj lwm ua ke los daws cov ntsiab lus mob ntawm yug me nyuam thiab pab txuag dej, txo cov emissions, txhim kho kom zoo thiab nce efficiency. Txawm hais tias nws yog ib txoj haujlwm tshiab yug me nyuam los yog kev kho dua tshiab ntawm cov txheej txheem uas twb muaj lawm, peb tuaj yeem muab cov kev daws teeb meem thiab ib qho - nres cov kev pabcuam los pab cov neeg ua liaj ua teb qhib txoj hauv kev tshiab ntawm kev yug me nyuam thiab ua tiav qhov yeej - yeej qhov xwm txheej ntawm kev txhim kho ecological thiab muaj txiaj ntsig zoo.