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NO20161451A1 - intake filter - Google Patents

intake filter Download PDF

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Publication number
NO20161451A1
NO20161451A1 NO20161451A NO20161451A NO20161451A1 NO 20161451 A1 NO20161451 A1 NO 20161451A1 NO 20161451 A NO20161451 A NO 20161451A NO 20161451 A NO20161451 A NO 20161451A NO 20161451 A1 NO20161451 A1 NO 20161451A1
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NO
Norway
Prior art keywords
filter
ring
fact
requirement
nozzles
Prior art date
Application number
NO20161451A
Other languages
Norwegian (no)
Swedish (sv)
Other versions
NO343249B1 (en
Inventor
Jan Erik Kyrkjebø
Original Assignee
Ecomerden As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Ecomerden As filed Critical Ecomerden As
Priority to NO20161451A priority Critical patent/NO343249B1/en
Publication of NO20161451A1 publication Critical patent/NO20161451A1/en
Publication of NO343249B1 publication Critical patent/NO343249B1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/23—Supported filter elements arranged for outward flow filtration
    • B01D29/232—Supported filter elements arranged for outward flow filtration with corrugated, folded or wound sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/06—Aerobic processes using submerged filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Microbiology (AREA)
  • Zoology (AREA)
  • Filtration Of Liquid (AREA)

Abstract

Det omhandles et filter som er neddykket i sjøen og som er koblet til enden av en innløpsledning til en lukket eller semilukket merd eller et landbasert tankanlegg, og der innløpsledningen er formet som et stivt rør eller en fleksibel slange og der filteret 1 er utformet tilnærmet som en sylinder der den vertikale veggen består av en filterduk eller not som er spent opp mellom perifere stivere og en fast overside og bunnside. En aksling med en eller flere utovervendene bommer eller armer er i nedre del hul og består av et sett spyledyser plassert i innbyrdes avstand et gitt antall og i en avstand fra filterduken eller noten for å spyle rent filterduken eller noten og at bommen eller armen inneholder ett sett horisontale spyledyser vertikalt rettet i forhold til filterduken eller noten for å drive rundt bommen som så spyler ren filterduken eller noten i en kontrollert rotasjonshastighet. Som en ekstra sikring mot tilklogging av filterduken eller nota er filtrert omsluttet av en ring som også er utstyrt med en børste eller spyledyser rettet nedover eller oppover på utsiden av filterduken eller noten og som ved hjelp av en kombinasjon av oppdrift i ringen og et ulikt antall spyledyser kan beveges kontrollert opp og ned og på denne måten gjøre reingjøringen helautomatisert ved at det tilføres trykkvann intermittent eller kontinuerlig til ringen som er forbundet med spyledysene.A filter is immersed in the sea, which is connected to the end of an inlet line to a closed or semi-closed cage or land-based tank plant, where the inlet line is shaped like a rigid pipe or flexible hose and the filter 1 is designed approximately a cylinder in which the vertical wall consists of a filter cloth or groove which is suspended between peripheral struts and a fixed top and bottom side. A shaft with one or more outward-facing booms or arms is hollow in the lower part and consists of a set of flush nozzles spaced apart a given number and at a distance from the filter cloth or groove to flush the clean cloth or groove and the boom or arm contains one set horizontal flush nozzles vertically aligned with the filter cloth or groove to drive around the boom which then flushes the clean filter cloth or groove at a controlled rotation speed. As an additional safeguard against attachment of the filter cloth or note, the filter is enclosed by a ring which is also provided with a brush or flush nozzle directed downwards or upwards on the outside of the filter cloth or groove and which by means of a combination of buoyancy in the ring and a different number flushing nozzles can be moved controlled up and down and in this way make the cleaning fully automated by supplying pressure water intermittently or continuously to the ring connected to the flushing nozzles.

Description

Beskrivelse Description

Det er kjent flere typer filter på inntaksledninger i lukkete merder og ellers andre inntaksledninger som til pumpestasjoner etc. Several types of filters are known for intake lines in closed cages and other intake lines such as for pump stations etc.

Disse filtrene er betegnet som trommelfiltere og er fortrinnsvis på trykksiden av selve pumpeenhetene i et slikt rørsystem. These filters are referred to as drum filters and are preferably on the pressure side of the pump units themselves in such a pipe system.

For lukkete merder betyr dette ekstra stort plassbehov for installasjonen og tilsvarende stort behov for ekstra oppdrift. For closed cages, this means an extra large space requirement for the installation and a correspondingly large need for extra buoyancy.

Dette igjen fører til en dyr løsning. This in turn leads to an expensive solution.

I dag er det vanlig med en enkel rist eller not på innløpet i lukkete merder. Today, it is common to have a simple grate or groove on the inlet in closed cages.

Pga maneter, begroning og fremmedpartikler vil det tette seg igjen og kreve mye etterkontroll og vedlikehold. Due to jellyfish, fouling and foreign particles, it will clog up and require a lot of follow-up and maintenance.

Med den foreskrevne oppfinnelse er det tatt utgangspunkt i en lukket eller semilukket merdinntaksledning som kan løse problemene med lus, maneter, amøber, giftige alger og andre parasitter i alle vannsjikt. With the prescribed invention, the starting point is a closed or semi-closed multi-intake line that can solve the problems with lice, jellyfish, amoebas, toxic algae and other parasites in all water layers.

Oppfinnelsen kan i og for seg anvendes på inntaksledning på landanlegg for oppdrett av fisk. The invention can in and of itself be applied to intake lines on land-based plants for fish farming.

Det henvises til figurer som vedlagt. Reference is made to the attached figures.

Figur 1 viser et filter 1 som er plassert på sugensiden av en pumpe 18 i en inntaksledning 19 som er koblet til en flytekrage 20 i en lukket merd 21 og suger inn vann fra sjøen på et nivå som er praktisk for den aktuelle lokaliteten og som samtidig som filteret eller nota 4 holdes reint ved en roterende spylebom 6 med spylerør 6a rettet utad mot en filterduk, not eller barriere 4 skal skal hindre lus,maneter,amøber og andre parasitter å sette seg fast i denne og tette innløpet 22 til inntaksledningen 19 til den lukkete merden 21. Figure 1 shows a filter 1 which is placed on the suction side of a pump 18 in an intake line 19 which is connected to a float collar 20 in a closed cage 21 and sucks in water from the sea at a level which is practical for the location in question and which at the same time as the filter or groove 4 is kept clean by a rotating flushing boom 6 with flushing pipe 6a directed outwards towards a filter cloth, groove or barrier 4 must prevent lice, jellyfish, amoebas and other parasites from getting stuck in it and blocking the inlet 22 to the intake line 19 to the closed cage 21.

På filteret eller nota 1 er det opplagret en roterende bom 6 som er opplagret i et lager 7 og 8 og som får tilført trykkvann 9 gjennom en ledning 10 og som videre er hul i den vertikale del 11 der det er et sett spyledyser 12 på den vertikale røret 6a og et sett horisontale eller tilnærmet horisontale dyser 6b som skal skape en reaksjonskraft som forårsaker et dreiemoment om bommen 6 aksel 6c og som dermed setter bommen i en kontrollert rotasjon og som da vil spyle filterduken eller nota rein i hele filteret 4 overflate 13. On the filter or note 1 is stored a rotating boom 6 which is stored in a bearing 7 and 8 and which is supplied with pressurized water 9 through a line 10 and which is further hollow in the vertical part 11 where there is a set of flushing nozzles 12 on it the vertical pipe 6a and a set of horizontal or nearly horizontal nozzles 6b which will create a reaction force which causes a torque about the boom 6 shaft 6c and which thus sets the boom in a controlled rotation and which will then flush the filter cloth or nota rein throughout the filter 4 surface 13 .

Filteret 1 på utførelseseksempelet er vist som en sylinder der øvre flate 14 og bunnflaten 15 er tett og utført en plast eller metall, mens sideflatene 16 består av et rammeverk 17 og selve nota eller filterveggen 4 der vannet til den lukkete merden 2 suges inn uten at dette påvirkes av reingjøringen av filterduken 4. The filter 1 in the design example is shown as a cylinder where the upper surface 14 and the bottom surface 15 are tight and made of plastic or metal, while the side surfaces 16 consist of a framework 17 and the filter wall 4 itself where the water of the closed cage 2 is sucked in without this is affected by the cleaning of the filter cloth 4.

Det er på figur 1 også vist en ring 5 som en ekstra sikring for automatisk reingjøring ved at denne inneholder et sett eller antall dyser med innbyrdes avstand rettet mot filterduken eller nota 4a og et sett eller antall skrått nedadrettende eller vertikalt rettete dyser 4b for å kunne bevege spyleringen opp og ned for ekstra reingjøring av maneter, lus og partikler og groe som har satt seg fast og må spyles av i en annen retning enn dysene. Figure 1 also shows a ring 5 as an additional safeguard for automatic cleaning in that it contains a set or number of nozzles with a mutual distance directed towards the filter cloth or note 4a and a set or number of obliquely downwards or vertically directed nozzles 4b to be able move the flushing ring up and down for additional cleaning of jellyfish, lice and particles and growth that have stuck and must be flushed off in a different direction from the nozzles.

Dette er iflg. oppfinnelsen gjort ved et filter 1 på innløpet til en inntaksledning 2 i en lukket merdkonstruksjon 3 som skal hindre inntak av maneter, lus og andre uønskete akvatiske organismer og partikler i lukkete merder eller iog for seg som også kan brukes i rørledningsintak til settefisk og resirkuleringsanlegg. According to the invention, this is done by a filter 1 at the inlet to an intake line 2 in a closed cage structure 3 which is to prevent the ingestion of jellyfish, lice and other unwanted aquatic organisms and particles in closed cages or by itself which can also be used in pipeline intakes to hatchery and recycling plant.

Filteret 1 består av et «hus» eller en «korg» som er festet utenpå inntaksledningens innløpstuss via en flens på en lukketmerd eller en generell inntaksledning av sjø og ferskvann. The filter 1 consists of a "housing" or a "basket" which is attached to the outside of the inlet of the intake line via a flange on a closed cage or a general intake line for sea and fresh water.

Selve filterhuset har en betydelig større diameter enn selve innløpet for å redusere strømhastigheter inn i innløpet og dermed redusere antall partikler som blir sugd inn i filteret. The filter housing itself has a significantly larger diameter than the inlet itself to reduce flow velocities into the inlet and thus reduce the number of particles that are sucked into the filter.

Huset består av et kraftig rammeverk og en filter eller kan utgjøre not med liten maskevidde for å hindre villfisk og maneter å komme inn i merden. The house consists of a strong framework and a filter or can form a net with a small mesh width to prevent wild fish and jellyfish from entering the cage.

På denne måten oppnås en lavhastighets strøm inn i inntaksledningen 19 og som gjør det mulig å bruke en spyler til å få vekk uønskete maneter, lus, amøber og andre partikler og organismer som er skadelig for fisken i merden eller det magasin som skal holdes fritt for uønskete partikler eller organismer. In this way, a low-speed current is obtained into the intake line 19 and which makes it possible to use a flusher to get rid of unwanted jellyfish, lice, amoebas and other particles and organisms that are harmful to the fish in the cage or the magazine that must be kept free of unwanted particles or organisms.

Videre består filteret av en roterende renserør som får tilført vann med høyt trykk og består av et antall vertikale spyledyser posisjonert i et antall vertikale sett og med en viss avstand fra selve filterduken eller noten, og som dermed spyler eller vasker filteret reint, ved at rørarmen dreies rundt av et sett horisontal rettete dyser som da tjener som et sett vannjetter og gjør at filteret kan spyles kontinuerlig samtidig som inntak av vann til den lukkete merden eller i og for seg alle typer vanninntak, skjer uavhengig av spylingen. Furthermore, the filter consists of a rotating cleaning pipe that is supplied with water at high pressure and consists of a number of vertical flushing nozzles positioned in a number of vertical sets and at a certain distance from the filter cloth or groove itself, and which thus flushes or washes the filter clean, by the pipe arm is rotated by a set of horizontally directed nozzles which then serve as a set of water jets and enable the filter to be flushed continuously at the same time as the intake of water to the closed cage or in and of itself all types of water intake, takes place independently of the flushing.

Det er ønskelig at dette filteret er festet til en fleksibel slange som gjør at filteret enkelt kan trekkes opp til overflaten og eventuelt posisjoneres i den dybde som ønskes ut fra vannkvalitet og vanntemperatur. It is desirable that this filter is attached to a flexible hose which means that the filter can easily be pulled up to the surface and possibly positioned at the desired depth based on water quality and water temperature.

Spylevann kan tilføres via en trykkpumpe som er montert i flytekragen og har den nødvendige kapasitet og trykk til å spyle og dreie renserøret rundt med en konstant og kontrollert måte. Flushing water can be supplied via a pressure pump that is mounted in the float collar and has the necessary capacity and pressure to flush and rotate the cleaning pipe in a constant and controlled manner.

Som en ekstra sikkerhet kan det monteres en ring 5 som omslutter filterhuset og som består av rensedyser som også spyler filteret eller noten rein dersom konsentrasjonen av partikler, lus eller andre uønskete partkler oppstår lokalt eller i perioder av året. Den ekstra spyleringen drives opp og ned av spyledyser og en egenoppdrift i selve ringkammeret, der spyledysene kan rettes på skrå inn mot filterduken eller noten og dermed få en skyvekraft i bevegelsesretningen og da virke som en vannjet. As an extra measure of safety, a ring 5 can be mounted which surrounds the filter housing and which consists of cleaning nozzles which also flush the filter or the groove clean if the concentration of particles, lice or other unwanted particles occurs locally or during periods of the year. The additional flushing ring is driven up and down by flushing nozzles and a self-buoyancy in the ring chamber itself, where the flushing nozzles can be directed at an angle towards the filter cloth or groove and thus get a thrust in the direction of movement and then act as a water jet.

Ringen 5 kan erstatte spylebommen 6 der filteret kan holdes reint også kun ved spyleringen 5, ved at dysene 5a kan innrettes slik at de kan spyle og drive ringen 5 opp og ned omsluttet fileter eller nota 4 og dels ved at ringen 5 er hul 5c og kan inneha oppdrift. The ring 5 can replace the flushing boom 6 where the filter can be kept clean also only at the flushing ring 5, by the fact that the nozzles 5a can be arranged so that they can flush and drive the ring 5 up and down enclosed fillets or nota 4 and partly by the fact that the ring 5 is hollow 5c and may contain buoyancy.

Både bommen 6 spylerør 6a og spyleringen 7 kan få trykkvann 10 tilført via samme rørledningen 9 eller separat med 2 rørledninger og drives opp og ned enten ved at trykkvannet 10 kan styres intermittent og suksessivt for å kjøre spyleringen 5 opp og ned alt etter hvor mye partikler eller maneter eller lus på lokaliteten. Both the boom 6 flush pipe 6a and the flush ring 7 can have pressurized water 10 supplied via the same pipeline 9 or separately with 2 pipelines and driven up and down either by the pressurized water 10 being controlled intermittently and successively to drive the flush ring 5 up and down depending on the amount of particles or jellyfish or lice on the site.

Normalt sett kan filteret 1 fungere selv uten spyleringen 7 ved at dette renses kun med renserøret som drives kontinuerlig rundt av trykkvannet gjennom dysene. Normally, the filter 1 can function even without the flushing ring 7 in that it is cleaned only with the cleaning tube which is continuously driven around by the pressurized water through the nozzles.

Det er vist på fig.10 en fleksibel inntaksledning i utførelseseksempelet som dermed gjør det mulig å plassere inntaket på forskjellige nivåer i sjøen med dertil egnet temperatur for fisken i den lukkete merden 21 og gjør det mulig med en enkel service av filteret 1 ved å hale filteret 1 kontrollert f.eksempel mot overflaten via en vire, tau eller kjetting 23 med en vinsj 25 på en arbeidsbåt 26 eller merden vinsj 27 på flytekragen. Fig. 10 shows a flexible intake line in the design example which thus makes it possible to place the intake at different levels in the sea with a suitable temperature for the fish in the closed cage 21 and makes it possible to easily service the filter 1 by tailing the filter 1 controlled for example against the surface via a wire, rope or chain 23 with a winch 25 on a work boat 26 or the cage winch 27 on the floating collar.

Claims (1)

PatentkravPatent requirements Patentkrav 1.Patent claim 1. Et filter 1 montert på innløpet av inntaksledning 19 fortrinnsvis til en lukket eller semilukket merd 21 for å hindre inntak av uønskete partikler eller organismer som maneter,lus,amøber og giftige alger i alle vannsjikt.A filter 1 mounted on the inlet of intake line 19 preferably to a closed or semi-closed cage 21 to prevent intake of unwanted particles or organisms such as jellyfish, lice, amoebas and toxic algae in all water layers. Karakterisert at filteret 1 er neddykket og utformet tilnærmet som en sylinder med en filterduk eller not 4 som utgjør veggene sammen med et rammeverk 29 som omslutter et vanninnløp 21 for tilførsel av vann inn i den lukkete merden eller det lukkete anlegget 20.Characterized by the fact that the filter 1 is submerged and designed approximately as a cylinder with a filter cloth or groove 4 which forms the walls together with a framework 29 which encloses a water inlet 21 for the supply of water into the closed cage or the closed system 20. Patentkrav 2.Patent claim 2. Filter iflg. Krav 1Filter according to Requirements 1 KARAKTERISERT VED at filteret 1 kan spyles med ved hjelp av en innvendig roterende bom 6 inneholdende et vertikalt spylerør 6a bestående av et sett spyledyser 6a som står rettet mot og i en viss avstand fra filterduken 4.CHARACTERIZED BY the fact that the filter 1 can be flushed with the help of an internally rotating boom 6 containing a vertical flush tube 6a consisting of a set of flush nozzles 6a which are directed towards and at a certain distance from the filter cloth 4. Patentkrav 3.Patent claim 3. Filter1 i flg. krav 1Filter1 in flg. requirement 1 KARAKTERISERT VED at filteret 1 har en omsluttet ring 5 som inneholder dyser 5a som delvis kan sette opp en strøm i flere retningen som gjør det mulig å bevege ringen opp og ned langs overflaten av filter eller notoverflaten 4.CHARACTERIZED BY the fact that the filter 1 has an enclosed ring 5 containing nozzles 5a which can partly set up a flow in several directions which makes it possible to move the ring up and down along the surface of the filter or the groove surface 4. Patentrav4.Patent Rav4. Filter iflg. Krav 1 eller 2Filter according to Requirements 1 or 2 KARAKTERIOSTERT VED at filteret 1 har en tett ende 4 som er tilsluttet et rørinnløp 22 og en inntaksledning 19.CHARACTERISTIC IN THAT the filter 1 has a closed end 4 which is connected to a pipe inlet 22 and an intake line 19. Patentkrav 5.Patent claim 5. Filter iflg. krav 1Filter according to requirement 1 KARAKTERISERT VED at filteret 1 er forbundet med en fleksibel inntaksledning 19 i som f.eks. en slange som kan trekke seg sammen slik at filteret 1 kan løftes opp til en fast posisjon i vertikalsøylen i sjøen.CHARACTERIZED BY the fact that the filter 1 is connected to a flexible intake line 19 i which e.g. a hose that can retract so that the filter 1 can be lifted up to a fixed position in the vertical column in the lake. Patentkrav 6.Patent claim 6. Filter iflg. krav 2Filter according to requirement 2 KARAKTERISERT VED at den roterende bom 6 a,6b er opplagret i et nedre og et øvre lager 30 ,31 og at nedre lager er forbundet med en trykkvannssledning 9 for å motta trykkvann 10 i det bommens 6 nedre aksling er utformet hul og er forbundet med bommen via et bedre rør 6c.CHARACTERIZED BY the fact that the rotating boom 6 a,6b is supported in a lower and an upper layer 30,31 and that the lower layer is connected to a pressurized water line 9 to receive pressurized water 10 in that the lower shaft of the boom 6 is designed hollow and is connected to the boom via a better pipe 6c. Patentkrav 7.Patent claim 7. Filter iflg. krav 1Filter according to requirement 1 KARAKTERISERT VED at bommen 6 har et sett vertikale spyledyser 6 som er rettet mot filter eller nota 4 i en justert avstand ved at dysene 4a kan skrus inn og ut fra bommen 6 a vertikale rør 6a.CHARACTERIZED BY the fact that the boom 6 has a set of vertical spray nozzles 6 which are aimed at the filter or notch 4 at an adjusted distance by the fact that the nozzle 4a can be screwed in and out of the boom 6 a vertical pipe 6a. Patentkrav 8.Patent claim 8. Filter iflg. krav 1Filter according to requirement 1 KARAKTERISERT VED at filterduken eller nota 4 er omsluttet av en ring 5 som kan bestå av en børste og/eller justerbare spyledyser som spyler duken eller noten 4 i en retning forskjellig fra spyledysene 6a.CHARACTERIZED BY the fact that the filter cloth or note 4 is surrounded by a ring 5 which can consist of a brush and/or adjustable spray nozzles that flush the cloth or note 4 in a direction different from the spray nozzle 6a. Patentkrav 9.Patent claim 9. Filter iflg. krav 8Filter according to requirement 8 KARANTERISERT VED at ringen 5 kan beveges kontrollert opp og ned ved hjelp av et sett spyledyser 6c rettet oppover og/ eller nedover for å skape en reaksjons strømningskraft som gjør det mulig å få satt ringen 5 i en kontrollert bevegelse opp og ned over filterduken eller nota 4a.QUARANTED IN THAT the ring 5 can be moved up and down in a controlled manner by means of a set of flushing nozzles 6c directed upwards and/or downwards to create a reaction flow force which makes it possible to set the ring 5 in a controlled movement up and down over the filter cloth or note 4a. Patentkrav 10.Patent claim 10. Filter iflg. krav 9Filter according to requirement 9 KARAKTERISERT VED at ringen 5 får tilført trykkvann 10b fra ledningen 9 og at bevegelsen styres ved hjelp av en trykkvannspumpe 32 som startes og stoppes i intermittent.CHARACTERIZED BY the fact that the ring 5 is supplied with pressurized water 10b from the line 9 and that the movement is controlled by means of a pressurized water pump 32 which is started and stopped intermittently. Patentkrav 11.Patent claim 11. Filter iflg. krav 10Filter according to requirement 10 KARAKTERISERT VED at ringen 5 er utformet helt eller delvis hul for å kunne ha oppdrift for å bevege seg opp og ned.CHARACTERIZED BY the fact that the ring 5 is designed completely or partially hollow to be able to have buoyancy to move up and down. Patentkrav 12.Patent claim 12. Filter iflg. krav 11Filter according to requirement 11 KARAKTERISERT VED at ringen 5 er utformet med innadvendene børster 34.CHARACTERIZED IN THAT the ring 5 is designed with brushes 34 turned inside out. Patentkrav 13.Patent claim 13. Filter iflg. krav 12Filter according to requirement 12 KARAKTERISERT VED at ringen er utstyrt med innadvendene skråstilte dyser 5a som både spyler filterduken 4 eller nota 4 rein og samtidig setter opp en vannjetstrøm ut fra dysene som kan drive ringen 5 i en kontrollert bevegelse opp og ned utenpå filterduken 4.CHARACTERIZED BY the fact that the ring is equipped with inward-facing inclined nozzles 5a which both rinse the filter cloth 4 or nota 4 clean and at the same time set up a water jet stream from the nozzle which can drive the ring 5 in a controlled movement up and down outside the filter cloth 4.
NO20161451A 2016-09-13 2016-09-13 Inlet line for a closed or semi-closed cage NO343249B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO346320B1 (en) * 2018-06-21 2022-06-07 Fjord Miljoe As Device for floating cages.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242872A (en) * 1962-11-19 1966-03-29 Chain Belt Co Water supply inlet structures
US4210539A (en) * 1978-10-10 1980-07-01 Shiban Samir S Water screen
NO175341B (en) * 1992-07-20 1994-06-27 Geir L Kjersem Method of supplying water to a closed cage, forming a closed cage and using the cage to practice the method
EP2623176A2 (en) * 2012-02-02 2013-08-07 Johnson Screens, Inc. Screen intake cleaning system using variable flow of incompressible liquid

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242872A (en) * 1962-11-19 1966-03-29 Chain Belt Co Water supply inlet structures
US4210539A (en) * 1978-10-10 1980-07-01 Shiban Samir S Water screen
NO175341B (en) * 1992-07-20 1994-06-27 Geir L Kjersem Method of supplying water to a closed cage, forming a closed cage and using the cage to practice the method
EP2623176A2 (en) * 2012-02-02 2013-08-07 Johnson Screens, Inc. Screen intake cleaning system using variable flow of incompressible liquid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO346320B1 (en) * 2018-06-21 2022-06-07 Fjord Miljoe As Device for floating cages.

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