Collapsible Fish Tank

Micro filter (los yog nkhaus screen):

Nws lub luag haujlwm tseem ceeb yog txhawm rau txhim kho cov neeg kho tshuab pom ntawm microporous sieve, cuam tshuam thiab tshem tawm cov teeb meem uas tau muab tshem tawm los ntawm cov khoom siv-kua cais, thiab ntxiv txo cov organic load ntawm cov kev kho mob tom ntej lub txaj txaj lim.

Arc screen thiab microfilter:

Arc screen: Lub vijtsam arc yog muab los ntawm cov khoom sib cais ntawm cov ntxhia xuab zeb tshuaj ntsuam. Hauv kev kho dej aquaculture, nws yog ib qho tsim nyog yuav tsum tau siv lub vijtsam ruaj khov nrog arc zoo li qhov khoob uas tau teem rau perpendicular mus rau cov kev taw qhia inflow kom ua tiav cov kua dej sib cais ntawm lub cev.

Lub zog ua haujlwm ntawm lub vijtsam nkhaus yog: qhov sib txawv ntawm cov ntxaij vab tshaus feem ntau yog 0.25 hli, uas tuaj yeem tshem tawm li ntawm 80 feem pua ​​​​ntawm cov khoom particle loj nrog cov particle loj me dua 70 µ m;

Arc-zoo li cov ntxaij vab tshaus tsis tuaj yeem hloov cov tshuab microfiltration teb: txawm hais tias cov ntxaij vab tshaus arc tau thov kom zoo ib yam li cov tshuab teb microfiltration, lawv cov txiaj ntsig tseem ceeb tshaj plaws nyob rau hauv lub zog txuag ntawm kev xav tau kev ua haujlwm ntxiv. Qhov tseeb, lub vijtsam nkhaus ua tiav cov kua dej sib cais los ntawm kev poob lub peev xwm ntawm cov khoom tuaj, thiab tsis tuaj yeem txo qhov kev siv zog. Txawm li cas los xij, cov ntxaij vab tshaus arc tsis muaj qhov zoo dua li cov tshuab microfiltration ib txwm muaj nyob rau hauv cov nqe lus ntawm kev ua haujlwm ntawm kev tshem tawm cov khib nyiab los ntawm cov kab dej hauv dej los yog kev siv lub zog. Tshwj xeeb tshaj yog rau lub vijtsam nkhaus, nws yog ib qho tsim nyog yuav tsum txhuam lub vijtsam ob zaug txhua teev thaum lub sijhawm yug me nyuam yog siab. Tam sim no, nws tseem tsis tau muaj peev xwm daws tau qhov teeb meem ntawm kev ua kom huv si ntawm cov ntxaij vab tshaus nkhaus hauv tsev thiab txawv teb chaws. Qhov teeb meem no tuaj yeem daws tau, tab sis cov neeg ua liaj ua teb tsis tuaj yeem them tus nqi kim arc screen backwash system. Ntxiv mus, domestic stainless hlau cov ntxaij vab tshaus kuj muaj qhov teeb meem ntawm cov khoom tsis ua resistant rau hiav txwv corrosion. Yog li ntawd,

Tab sis cov neeg ua liaj ua teb tsis tuaj yeem them taus qhov kim arc-shaped screen backwash system. Ntxiv mus, domestic stainless hlau cov ntxaij vab tshaus kuj muaj qhov teeb meem ntawm cov khoom tsis ua resistant rau hiav txwv corrosion. Yog li ntawd, nws yog ib qho nyuaj kom ua tiav cov txiaj ntsig zoo ntawm cov dej khib nyiab kho dej los ntawm kev hloov cov microfilters nrog cov ntxaij vab tshaus nkhaus. Qhov zoo ntawm cov ntxaij vab tshaus nkhaus suav nrog cov qauv yooj yim thiab tus nqi qis, tab sis lawv tsuas yog siv tau rau hauv cov txheej txheem dej khib nyiab tsawg xwb.

Kev xaiv ntawm microfilters: Cov nyhuv tshem tawm ntawm cov khoom raug tshem tawm hauv cov thoob dej yug ntses ncaj qha cuam tshuam rau ntau yam tseem ceeb xws li kev loj hlob ntawm ntses, sediment purification efficiency, system configuration, thiab kev thauj mus los. Tag nrho cov teeb meem raug tshem tawm (TSS) nyob rau hauv lub recirculating aquaculture system uas nyob twj ywm nyob rau hauv lub sij hawm ntev yuav muaj kev phiv los ntawm cov ntses ntau lawm, nrog rau kev puas tsuaj rau ntses gills, blockage ntawm particulate teeb meem lim, ammonia zus tau tej cov ammonia nitrogen, thiab kev lwj ntawm cov teeb meem uas siv cov pa oxygen hauv cov ntses. Yuav ua li cas tshem tawm tag nrho cov teeb meem raug tshem tawm raws sij hawm tau dhau los ua ib qho ntawm cov kev sib txuas tseem ceeb hauv kev kho cov thoob dej yug ntses, thiab nws cov nyhuv tshem tawm ncaj qha txiav txim siab qhov zoo ntawm cov dej thiab kev ruaj ntseg ntawm kev ua haujlwm. Microfilters yog ib qho ntawm cov cuab yeej tseem ceeb rau kev tshem tawm TSS.

Kev sib raug zoo ntawm tus naj npawb ntawm cov ntxaij lim dej thiab tus nqi tshem tawm TSS: Lub lim yog lub luag haujlwm tseem ceeb ntawm microfilter, thiab nws txoj kab uas hla (pore loj) cuam tshuam ncaj qha rau tag nrho cov khoom raug tshem tawm (TSS) kev tshem tawm kev ua haujlwm, rov qab siv dua, thiab lub zog. kev siv cov microfilter.

Qhov loj dua tus naj npawb thiab qhov pore loj ntawm lub lim, cov khoom muaj zog ntau cuam tshuam, tab sis qhov zaus ntawm kev rov qab los kuj nce ntxiv. Thaum pom tus nqi nce ntawm 150 mus rau 200, qhov kev tshem tawm sai sai nrog qhov nce ntawm qhov pom. Thaum pom tus nqi nce mus txog 200, yuav tsis muaj qhov nce ntxiv ntawm qhov kev tshem tawm. Raws li kev sib raug zoo ntawm kev tshem tawm kev ua haujlwm thiab kev siv hluav taws xob, lub tshuab microfiltration nrog lub peev xwm pom ntawm 200 μ m muaj qhov zoo tshaj plaws kev ua haujlwm thiab kev lag luam.

Kev sib raug zoo ntawm tus naj npawb ntawm cov ntxaij lim dej thiab kev siv fais fab: Lub zog siv ntawm lub tshuab microfilter muaj ob ntu: ib qho yog tsav lub rotor tig, thiab lwm qhov yog lub zog siv los ntawm lub twj tso kua mis rov qab. Lub zog noj ntawm lub tshuab tig yog qhov ruaj khov thaum lub sijhawm ua haujlwm ntawm microfilter. Raws li tus naj npawb ntawm cov ntxaij lim dej nce, qhov zaus ntawm kev rov qab rov qab kuj tseem yuav nce ntxiv, thiab kev siv hluav taws xob kuj tseem yuav nce ntxiv nrog kev nce ntawm lub sij hawm rov qab. Kev noj haus kuj yog ib qho kev qhia tseem ceeb rau kev ntsuam xyuas kev ua haujlwm ntawm cov tshuab microfiltration, uas muaj kev cuam tshuam zoo nrog cov lej rov qab. Raws li tus naj npawb ntawm cov ntxaij lim dej nce, qhov zaus ntawm kev rov qab ntxuav kuj tseem yuav nce ntxiv, thiab kev noj yuav nce ntxiv. Thaum cov ntxaij lim dej ntau tshaj 200, kev siv lub zog thiab kev siv hluav taws xob sai sai.

Tsav yog xaiv tau: Kev siv hluav taws xob sib kis ntawm lub tshuab microfilter suav txog 8l feem pua ​​​​rau 96 feem pua ​​​​ntawm cov cuab yeej siv hluav taws xob ua haujlwm. Tsis ntev los no, ob qho tib si hauv tebchaws thiab thoob ntiaj teb, worm iav reducers tau xaiv dav raws li qhov tseem ceeb txo qis. Txawm hais tias lawv muaj qhov zoo xws li kev txo qis thiab txo qhov ntev, lawv muaj qhov tsis zoo ntawm kev sib kis tsis zoo thiab kev ua neej luv luv. Yog li ntawd, cov khoom siv kis tau tus mob yuav tsum tau tsav los ntawm kev tsav hluav taws xob.

Kev txhawb nqa nruab nrab ntawm ncej: Raws li cov khoom siv ua haujlwm, qhov cuam tshuam ntawm kev sib hloov ncej ntawm lub zog siv kuj tseem ceeb. Cov kev txhawb nqa ob leeg ib txwm muaj cov kev xav tau siab rau kev txhawb nqa thiab kev teeb tsa raug, ua rau nws nyuaj rau kev ua tiav cov kev xav tau ntawm cov tshuab microfiltration. Kev siv cov ncej txhawb nqa thiab kev sib hloov hauv cov mining tuaj yeem txo qhov kev tsim khoom thiab kev teeb tsa raug, thiab ua rau kev sib hloov ruaj khov. Kev siv hluav taws xob tsav thiab kev txhawb nqa hauv nruab nrab tuaj yeem txo qis kev siv hluav taws xob los ntawm 40 feem pua ​​thiab muaj txiaj ntsig zoo txuag hluav taws xob.

Ceev: Qhov ceev ntawm lub tshuab microfiltration yog 1-3r / min, thiab ceev ceev heev yuav ua rau cov khoom tawg mus rau hauv cov khoom me me thiab nkag mus rau lub lim, txo cov nyhuv pom. Lub micro lim uas tuaj yeem kho qhov nrawm yog nyiam,

U-shaped backwash nozzle: Qhov zoo thiab qhov tsis zoo ntawm cov kev tsis zoo xws li lub siab ntawm lub backwash nozzle yog qhov tseem ceeb rau kev txo qis kev siv hluav taws xob thiab kev siv hluav taws xob. U-shaped backwash nozzle yog siv los txhim kho lub zog rov qab los ntawm cov tsoos conical backwash nozzle, txuag 20-30 feem pua ​​​​ntawm hluav taws xob.

Tus nqi hloov ntawm lub lim: Thaum lub sijhawm ua haujlwm ntev ntawm microfilter, cov khoom viscous nyob rau hauv lub cev aquaculture yuav maj mam ua raws li cov lim dej, ua rau lub pore loj ntawm lub lim kom loj dua thiab cuam tshuam rau lub zog pom. Yog li ntawd, tus nqi ntawm kev hloov cov lim dej thiab qhov yooj yim ntawm kev hloov cov lim dej yog qhov tseem ceeb hauv kev ntsuas kev ua tau zoo ntawm cov tshuab microfiltration.

Microfiltration tshuab: Xaiv lub tshuab microfiltration kom tshem tawm cov khib nyiab los ntawm cov kab mob hauv dej hiav txwv tam sim no yog qhov ua tau zoo tshaj plaws thiab suav tias tsuas yog kev xaiv zoo tshaj plaws. (Tau kawg, cov tshuab microfiltration kuj muaj cov haujlwm ntawm kev cuam tshuam cov khoom, tab sis qhov no tsuas yog xaiv tau raws li kev ua haujlwm thib ob ntawm cov tshuab microfiltration.)

Microfiltration rau kev tshem tawm cov khib nyiab tshem tawm yog ua tiav los ntawm kev sib cais cov khib nyiab tsis tu ncua los ntawm cov lim rau ntawm qhov chaw tig ntawm lub tshuab microfiltration. Lub qhov lim tau kos rau ntawm lub tshuab microfiltration feem ntau loj dua 50 µ m. Raws li cov av rotates, nws ntws los ntawm cov av, thiab cov khoom muaj zog lo rau nws. Tom qab cov av rotates, nws yog rinsed nrog ib tug backwash nozzle. Cov sludge ntxuav yog sau rau hauv ib lub thawv xau thiab xa mus rau lub tank kho sludge. Ib feem ntawm qhov poob no yuav raug them los ntawm lub tuam txhab tshiab, uas suav txog kwv yees li 1 feem pua ​​​​ntawm tag nrho cov nyiaj.

Cov khoom siv thiab cov khoom pov tseg uas raug xa mus yog raws li hauv qab no:

Cov khoom raug tshem tawm 80-95 feem pua

Cov khoom raug tshem tawm 80-95 feem pua

Nitrogen 15-25 feem pua

Phosphorus 45-55 feem pua

Organic teeb meem (oxygen noj cov organic teeb meem) 55-65 feem pua

Hauv cov ntaub ntawv saum toj no, yog vim li cas vim li cas qhov kev tshem tawm nitrogen tsawg heev yog vim qee qhov nws muaj nyob rau hauv daim ntawv ntawm soluble ammonia.

Kev ua tau zoo ntawm microfiltration tshuab:

Muab tus nqi ntws, tus nqi tshem tawm cov pa phem nyob ntawm txoj kab uas hla thiab qhov muag ntawm microfilter, nrog rau kev ncaj ncees ntawm cov pa phem nkag mus rau hauv microfilter.

Yuav tsum tsis txhob muaj kev sib txuam lossis kev tuag ntawm cov sludge ntawm cov dej ntws ntawm lub pas dej aquaculture thiab microfilter. Txwv tsis pub, nws yuav muaj kev cuam tshuam loj rau kev kho mob ntawm cov nroj tsuag aquaculture. Txawm hais tias qhov twg cov teeb meem organic accumulates, nws yuav tsum tau lim tawm sai li sai tau, thaum cov teeb meem soluble yuav tsum tau ntxiv rau hauv av.

Dab tsi yog qhov tsis ncaj ncees lawm nrog lub teb microfilter

Nws yog ib qho yooj yim uas yuav ua rau lwm yam fragmentation ntawm particulate teeb meem thaum lub sij hawm kev thauj mus los;

Cov ntxaij lim dej yog nquag hnav thiab tsim kua muag vim muaj kev cuam tshuam ntawm backwash flow,

Nyob rau tib lub sijhawm, cov cuab yeej siv tus nqi kuj tseem siab.

Ua zog ntawm rotary microfilter:

Lub microfilter teb yog siv los tshem tawm cov khoom seem (TSS) siab tshaj 60 µm. Qhov tseem ceeb tshaj plaws ntawm cov tshuab microfiltration yog lub peev xwm los ntxuav lub vijtsam, uas tuaj yeem ua tau raws li kev ua haujlwm tsis tu ncua ntawm lub cev;

Cov tshuab microfiltration hauv tsev tuaj yeem tuav tau 5-150 m3/h;

Qhov kev lim dej feem ntau yog 120-300 μ m, nrog rau kev tsom mus rau 200 μ m, tab sis kuj tseem muaj qee lub tuam txhab uas txais yuav precision ntawm 500 μ m;

Kev sib hloov ceev feem ntau yog 1-5 r/min (tso zuj zus raws li txoj kab uas hla ntawm lub rotor nce);

Hom kis tau tus mob feem ntau yog tsav los ntawm lub siab ceev reducer los tig lub rotor, thiab tseem muaj cov tshuab thiab pneumatic ntws tsav hom; Chav tsev siv hluav taws xob feem ntau tuaj yeem ncav cuag 0. 5 feem pua ​​​​rau txhua 100 m3 ntawm kev ua Cov kev siv hluav taws xob xav tau rau 3kWh tiaj tus ncej thiab nruab nrab ncej los txhawb thiab tig yog qhov qis dua li ntawm ob lub zog txhawb nqa cov menyuam los txhawb thiab tig qhov kawg.

Cov neeg nyob hauv dej tshiab zaj sawv trout cov neeg laus nruab nrab nruab nrab ntawm 1 txog 5 lb (0.5 thiab 2.3 kg) nyob rau hauv ib puag ncig dej, thaum lub pas dej hauv tsev thiab cov ntaub ntawv anadromous tuaj yeem ncav cuag 20 lb (9 kg). Xim sib txawv ntawm cheeb tsam thiab subspecies. Cov neeg laus cov ntaub ntawv dej qab zib feem ntau yog xiav-ntsuab los yog txiv ntseej ntsuab nrog hnyav dub pom ntawm qhov ntev ntawm lub cev. Cov neeg laus ntses muaj ib tug dav reddish kab txaij nyob rau hauv lub lateral kab, los ntawm gills mus rau tus Tsov tus tw, uas yog pronounced tshaj nyob rau hauv yug me nyuam txiv neej. Lub caudal fin yog squarish thiab tsuas yog me ntsis forked. Lake-tsev thiab cov ntaub ntawv anadromous feem ntau yog silvery nyob rau hauv cov xim nrog reddish stripe yuav luag tag. Juvenile zaj sawv trout tso saib parr marks (tsaus ntsug tuav) feem ntau ntawm cov menyuam yaus salmonid. Nyob rau hauv ib co redband thiab golden trout daim ntawv parr marks feem ntau khaws cia rau hauv neeg laus. Qee tus ntug dej hiav txwv zaj sawv (O. m. irideus) thiab Columbia River redband trout (O. m. gairdneri) cov pejxeem thiab cutbow hybrids kuj tseem tuaj yeem pom cov cim liab lossis liab caj pas zoo ib yam li cutthroat trout. Nyob rau hauv ntau lub cheeb tsam, hatchery-bred trout yuav txawv ntawm haiv neeg trout ntawm fin clips. Fin clipping lub adipose fin yog ib qho cuab yeej tswj xyuas siv los txheeb xyuas cov ntses uas tau yug los.

Peb cov khoom siv PVC tarpaulin:

Peb qhov zoo dua:

Txhua yam txaus siab pls ua siab zoo tiv tauj peb:

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