WO2019235848A1 - Appareil d'aquaculture à recirculation sans produit chimique - Google Patents

Appareil d'aquaculture à recirculation sans produit chimique Download PDF

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Publication number
WO2019235848A1
WO2019235848A1 PCT/KR2019/006807 KR2019006807W WO2019235848A1 WO 2019235848 A1 WO2019235848 A1 WO 2019235848A1 KR 2019006807 W KR2019006807 W KR 2019006807W WO 2019235848 A1 WO2019235848 A1 WO 2019235848A1
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WO
WIPO (PCT)
Prior art keywords
aquaculture
water
tank
nano
bubbles
Prior art date
Application number
PCT/KR2019/006807
Other languages
English (en)
Korean (ko)
Inventor
황창배
Original Assignee
Hwang Changbae
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.)
Filing date
Publication date
Application filed by Hwang Changbae filed Critical Hwang Changbae
Publication of WO2019235848A1 publication Critical patent/WO2019235848A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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
    • A01K63/045—Filters for aquaria
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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; CARE OF BIRDS, FISHES, INSECTS; 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
    • A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
    • 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
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23121—Diffusers having injection means, e.g. nozzles with circumferential outlet
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/727—Treatment of water, waste water, or sewage by oxidation using pure oxygen or oxygen rich gas
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/60—Fishing; Aquaculture; Aquafarming

Definitions

  • the present invention relates to a circulating aquaculture device.
  • the farm should be created to live in the living organisms, and for this purpose, the water temperature, dissolved oxygen, etc. that are suitable for the living organisms should be controlled.
  • the present invention removes contaminants in aquaculture water discharged from aquaculture tanks and recirculates the aquaculture waters from which aquaculture is removed to aquaculture tanks, thereby circulating the aquaculture water, thereby preventing environmental pollution and reducing energy consumption for supplying additional aquaculture water. It is to provide a circulating aquaculture device to minimize.
  • aquaculture tanks for aquaculture of aquatic organisms for aquaculture of aquatic organisms, a first filter unit for first filtering the contaminants in the aquaculture water discharged from the aquaculture tank, nano water in the cultured water primarily filtered by the first filter unit
  • the contaminants in the aquaculture water may be collected using at least one of the first nano-micro bubble generator that generates at least one of bubbles and micro bubbles, and at least one of the nano bubbles and micro bubbles generated by the first nano-micro bubble generator.
  • a circulating aquaculture device is provided that includes aquaculture water treatment for floating and removing contaminant-removed aquaculture water back to the aquaculture tank.
  • the first nano-micro bubble generator may generate at least one of nano bubbles and micro bubbles containing an oxidizing agent including ozone and hydrogen peroxide to generate hydroxyl radicals. It may further include an oxygen supply unit for supplying oxygen to the aquaculture water discharged from the aquaculture water treatment unit.
  • the oxygen supply unit may further include a second nano-micro bubble generator that generates at least one of nano bubbles and micro bubbles containing oxygen in the culture water.
  • It may further include a water temperature control unit for adjusting the temperature of the aquaculture water discharged from the aquaculture water treatment unit.
  • the method may further include a second filter unit for secondarily filtering contaminants remaining in the aquaculture water discharged from the aquaculture water treatment unit.
  • It may further include a water replenishment line for supplying replenishment water to the aquaculture water discharged from the aquaculture tank.
  • the aquaculture tanks are arranged in plural, and the plural aquaculture tanks may be arranged in multiple stages in the longitudinal direction.
  • the aquaculture water treatment unit may sterilize the aquaculture water flowing from the first nano-micro bubble generator using at least one of nano bubbles and micro bubbles, and remove contaminants from the aquaculture water introduced from the sterilization tank.
  • Contaminant floatation tank to be floated to the surface
  • contaminant collection tank disposed at the end of the contaminant floatation tank to collect contaminants floating from the contaminant floatation tank to the surface of the aquaculture water
  • a scraper for scraping contaminants into the contaminant collection tank, and a fresh water reservoir for storing the fresh water from which the contaminant is removed.
  • the first nano-micro bubble generating unit is a housing in which the inlet and outlet are formed to enable the inflow and outflow of the cultured water, a plurality of collision members disposed in the fluid movement path inside the housing to generate bubbles in the fluid in accordance with the impact or friction of the cultured water It may include a bubble generating unit comprising a, and a flow path disposed in at least one of the inside and the outside of the housing, to guide the bubbles in the fluid to be ultra-fine by the stress generated during the movement of the aquaculture water.
  • the present invention by removing the contaminants in the aquaculture water discharged from the aquaculture tank and re-contaminated the aquaculture water from the aquaculture tank to the aquaculture tank to circulate the aquaculture water to prevent environmental pollution and energy consumption for supply of additional aquaculture water Can be minimized.
  • FIG. 1 is a view showing a circulation process of the circulating aquaculture device according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view showing aquaculture water treatment unit according to an embodiment of the present invention.
  • Figure 3 shows a circulating aquaculture device according to an embodiment of the present invention.
  • Figure 4 shows a circulating aquaculture device according to another embodiment of the present invention.
  • FIG. 5 is a view showing a first nano-micro bubble generator and a second nano-micro bubble generator according to an embodiment of the present invention.
  • FIG. 6 and 7 illustrate detailed structures and modifications of a plurality of collision members of a first nano-micro bubble generator and a second nano-micro bubble generator according to an exemplary embodiment of the present invention.
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • the aquaculture tank 310 for aquaculture of aquatic organisms the first filter unit 320, the first filter unit for first filtering the contaminants in the aquaculture water discharged from the aquaculture tank 310
  • Circulating aquaculture device including aquaculture water treatment unit 340 for removing contaminants in aquaculture water to the surface of the culture water by using the micro bubble, and re-supply the contaminated water to the culture tank 310. 300 is provided.
  • the circulating culture apparatus 300 removes contaminants in the cultured water through the first filter unit 320, the first nano-micro bubble generator 330, and the culture water treatment unit 340. Oxygen is supplied to the water and the aquaculture water from which the contaminants have been removed may be resupplied to the aquaculture tank 310 so that the aquaculture water may be circulated.
  • the present invention it is possible to prevent the environmental pollution due to the discharge of contaminated aquaculture water through the removal of contaminants in aquaculture water, it has a circulation structure can minimize the energy consumption for the supply of additional aquaculture water.
  • a circulation structure can minimize the energy consumption for the supply of additional aquaculture water.
  • by sterilizing viruses, bacteria, etc., and controlling the aquaculture environment such as dissolved oxygen amount and water temperature can increase the efficiency of aquaculture.
  • Aquaculture tank 310 is for aquaculture of aquatic life is formed to have an environment suitable for the aquatic life. As shown in FIG. 3, the aquaculture tank 310 may be disposed in multiple stages in the longitudinal direction so that a plurality of tanks may be arranged in layers.
  • the plurality of aquaculture tanks 310 may be formed of a plurality of layers to accommodate the aquatic organisms of many individuals in preparation for the corresponding area.
  • the plurality of aquaculture tanks 310 may have different environments to form a variety of living creatures at the same time.
  • the plurality of aquaculture tank 310 may be formed in a multi-stage structure of a staircase type, a multi-stage structure such as a building in which the aquaculture tank 310 located on the upper floor is located above the aquaculture tank 310 located on the lower floor. Can be formed.
  • the first filter unit 320 may be connected to the culture tank 310 and may primarily filter contaminants in the culture water discharged from the culture tank 310.
  • the first filter unit 320 may filter contaminants having large particles, such as excreta and feed of the aquaculture organisms. Furthermore, the first filter unit 320 may have a more compact structure to filter finer particles.
  • the contaminants filtered by the first filter unit 320 may be moved to a sludge treatment unit to be described later, and the moved contaminants may be formed as a sludge cake by the sludge treatment unit 358 to be discharged to the outside. Can be.
  • supplemental water may additionally flow through the water replenishment line 420. More specifically, the water replenishment line 420 may be combined with the first filter unit 320 to additionally introduce cultured water from the outside, and the introduced cultured water may undergo primary contaminant filtration through the first filter unit 320. have.
  • the water replenishment line 420 and the first nano-micro bubble generator 330 It can be combined directly to supply supplemental water.
  • the first filter unit 320 may primarily filter the contaminants in the cultured water additionally introduced from the outside as well as the cultured water discharged from the cultured water tank 310.
  • the first nano-micro bubble generator 330 is connected to the first filter unit 320 and nano-bubbles or micro bubbles in aquaculture water that has undergone primary filtration at the first filter unit 320. Generate bubbles.
  • the nano bubbles or micro bubbles generated in the first nano-micro bubble generator 330 refer to ultra-miniature bubbles, and may receive a small amount of buoyancy due to their small volume and may remain in the cultured water for a long time. Nanobubbles or microbubbles can also float contaminants in aquaculture water to separate them from the contaminated water.
  • the first nano-micro bubble generator 330 may generate at least one of nano bubbles and micro bubbles, respectively, as needed.
  • Nano bubbles are bubbles of 10 ⁇ m or less in diameter, and micro bubbles are bubbles of 10 ⁇ m to 50 ⁇ m in diameter. Nano bubbles and micro bubbles can generate free radicals that are highly oxidative to decompose and remove organic materials, adsorb and float organic materials, and increase dissolved oxygen to activate aerobic microorganisms to improve water quality.
  • microbubbles are larger than nanobubbles, they can float faster than nanobubbles due to buoyancy, and nanobubbles, on the other hand, can stay in cultured water for a long time and generate more free radicals. It can be generated selectively as needed.
  • the first nano-micro bubble generator 330 may generate nano bubbles or micro bubbles containing an oxidizing agent such as ozone and hydrogen peroxide in order to generate hydroxyl radicals.
  • Ozone-containing nanobubbles or microbubbles can react with water in aquaculture water to generate hydroxyl radicals and oxygen. Through this process, the cultured water can be sterilized and oxygen can be supplied to the cultured water.
  • the aquaculture water treatment unit 340 includes aquaculture water inflow tank 342, a sterilization tank 344, a contaminant flotation tank 352, a contaminant collection tank 354, a scraper 356, and fresh water storage. It may include a bath 360 and a plurality of partitions. Aquaculture water treatment unit 340 may adjust the amount of dissolved oxygen to remove contaminants in the culture water and create a culture environment.
  • the plurality of partition walls may include first partition walls 370 to fourth partition walls 376, and auxiliary partition walls 378.
  • Aquaculture water inlet 342, sterilization tank 344, contaminant flotation tank 352, contaminant collection tank 354 and fresh water storage tank 360 may be partitioned through a plurality of partitions.
  • the first partition 370 partitions the aquaculture water inlet 342 and the first sterilization tank 346
  • the second partition 372 is the first sterilization tank 346 and the second sterilization tank 348.
  • the third partition 374 partitions the second sterilization tank 348 and the contaminant flotation tank 352
  • the fourth partition 376 defines the contaminant flotation tank 352 and the fresh water storage tank 360.
  • an auxiliary partition 378 is formed at the end of the contaminant collecting tank 354 to prevent overflow of the aquaculture water in the contaminant collecting tank 354 to be described later.
  • the cultured water inflow tank 342 is a space into which the cultured water in which nanobubbles or microbubbles are generated is introduced through the first nano-microbubble generator 330.
  • the aquaculture water flows into the first sterilization tank 346 through an inflow hole 380 formed in the first partition 370.
  • the first sterilization tank 346 sterilizes the cultured water by using nano bubbles or micro bubbles in the cultured water.
  • nanobubbles or microbubbles containing ozone in aquaculture water react with water to generate free radicals such as hydroxyl radicals, thereby causing the action of sterilizing bacteria, viruses, molds, and the like.
  • the second sterilization tank 348 may sterilize the cultured water by using nano bubbles or micro bubbles in the cultured water and at the same time, adjust the dissolved oxygen amount of the cultured water.
  • the ozone in the nanobubble or microbubble described above may react with water to generate oxygen, thereby controlling the amount of dissolved oxygen in the cultured water.
  • the cultured water sterilized by the first sterilization tank 346 and the second sterilization tank 348 flows into the contaminant flotation tank 352, and the contaminant flotation tank 352 uses nano bubbles or micro bubbles. So that contaminants in the aquaculture water rise to the surface of the aquaculture water.
  • Aquaculture water passing through the first nano-micro bubble generator 330 contains nano bubbles or micro bubbles, so that the culture water inflow tank 342, the first sterilization tank 346, the second sterilization tank 348, and the contaminants are floated. Sterilization and oxygen evolution may continue during the bath 352.
  • the contaminant collecting tank 354 is a space for collecting the contaminants floating on the surface of the aquaculture water in the contaminant flotation tank 352. Since the contaminants in the aquaculture water rise to the surface of the aquaculture water, the contaminant collection tank 354 is disposed in the direction of the upper fresh water storage tank 360 of the fourth partition 376 as shown in FIG. In order to minimize the movement path of the contaminants in the process it can be arranged at a level similar to the level of the aquaculture water staying in the contaminant flotation tank 352.
  • the auxiliary partition 378 is formed at the end of the pollutant collecting tank 354 to prevent the collected pollutants from overflowing from the pollutant flotation tank 352 to the fresh water storage tank 360. have.
  • the contaminant collecting tank 354 may be connected to the sludge treatment unit 358.
  • the sludge treatment unit 358 may form a sludge cake by reducing the moisture of the contaminants collected in the contaminant collecting tank 354.
  • the contaminants removed from the aquaculture water are moved from the contaminant collecting tank 354 to the sludge treatment unit 358, and the sludge treatment unit 358 may reduce the moisture contained in the contaminants to form a sludge cake and discharge it to the outside.
  • the separated water may be moved to the first filter unit 320 and circulated again.
  • the scraper 356 may be installed on the upper portion of the aquaculture water treatment unit 340 so as to scrape the contaminants floating on the surface of the aquaculture water with a contaminant collection tank 354.
  • the scraper 356 may include a chain that rotates and a plate member that may be coupled to the chain to scrape off contaminants.
  • the scraper 356 moving in the direction of the contaminant collection tank 354 causes the surface of the aquaculture water to flow. As a result, injured contaminants can be scraped and collected.
  • the contaminant in the culture water is removed by the contaminant flotation tank 352, the contaminant collection tank 354, and the scraper 356, the fresh water from which the contaminant is removed is left at the bottom of the contaminant flotation tank 352.
  • the fresh water induction pipe 362 is formed between the contaminant flotation tank 352 and the fresh water storage tank 360 through the fourth partition 376, and has a lower portion of the contaminant flotation tank 352. Fresh water located in the fresh water storage tank 360 may be introduced.
  • the first sterilization tank 346, the second sterilization tank 348, and the contaminant flotation tank 352 may flow sequentially.
  • the heights of the first and fourth partition walls 370 to 376 and the auxiliary partition walls 378 may be different from each other.
  • the second partition wall 372 is formed so that the aquaculture water flows sequentially into the aquaculture water inflow tank 342, the first sterilization tank 346, the second sterilization tank 348, and the contaminant flotation tank 352.
  • the first barrier rib 370 may be formed lower than the first barrier rib 370
  • the third barrier rib 374 may be formed lower than the second barrier rib 372.
  • the fourth partition 376 may be formed to be similar to the height of the second partition 372 or the third partition 374 according to the height of the pollutant collection tank 354.
  • the water level of the cultured water in the second sterilization tank 348 and the contaminant flotation tank 352 is changed to the second partition wall ( 372 and the height of the fourth partition 376, and when the heights of the third partition 374 and the fourth partition 376 are similar, the culture water in the contaminant flotation tank 352 is formed.
  • the level of may be formed at the height of the third partition 374 and the fourth partition 376.
  • the second partition 372 and the third partition 374 may be formed to have an inclination in the moving direction of the farmed water.
  • Aquaculture water passes through the culture water treatment unit 340 and after the sterilization and oxygen supply of the culture water is in progress, the culture water may be introduced into the second filter unit 390 in the fresh water storage tank (360). As illustrated in FIG. 1, the second filter unit 390 may secondaryly filter the contaminants remaining in the cultured water passed through the cultured water treatment unit 340.
  • the second filter unit 390 may be formed of a material of nanoparticles such as silver nano, and the flow path may be formed as a regular or irregular maze.
  • the water temperature controller 400 may adjust the water temperature of cultured water flowing from the secondary filter unit.
  • Aquaculture water can be cooled or heated depending on the environment suitable for the living organisms to be cultured in the culture tank 310.
  • a plurality of water temperature control unit 400 may be formed to supply aquaculture water of different water temperature.
  • the oxygen supply unit 410 may supply oxygen to the aquaculture water so that the cultured water whose water temperature is controlled through the water temperature control unit 400 has a dissolved oxygen amount in which the aquaculture organism can be cultured.
  • the oxygen supplied here may be supplied to the aquaculture water as particles of the size of nanobubbles or microbubbles.
  • the second nano-micro bubble generator 412 may supply oxygen supplied from the oxygen supply unit 410 to the cultured water to have a size of nano bubbles or micro bubbles so that the oxygen may be supplied to the cultured water. can do. Oxygen having the size of nano bubbles or micro bubbles can stay in the water for a long time, thereby minimizing the change in the amount of dissolved oxygen in the culture water.
  • the second nano-micro bubble generator 412 may generate at least one of nano bubbles and micro bubbles, respectively, as needed, such as the first nano-micro bubble generator 330 described above.
  • the automatic supply unit can automatically control the supply of food and oxygen to the aquatic organisms.
  • the automatic supply unit may automatically control the first nano-micro bubble generator 330, the second nano-micro bubble generator 412, and the oxygen supply unit 410 to adjust the amount of oxygen supplied to the cultured water.
  • the automatic feeding unit can also automatically control the provision of food for aquaculture. After sterilization, water temperature control, and oxygen supply to the cultured water, the cultured water may be resupplied to the cultured water tank 310. As described above, the circulating culture device 300 according to the present embodiment is discharged from the culture water tank 310, the first filter unit 320, the first nano-micro bubble generator 330, aquaculture Through the water treatment unit 340, the second filter unit 390, the water temperature control unit 400, and the second nano-micro bubble generator 412, circulation to the culture tank 310 may occur. .
  • the culture water is supplied with oxygen through the oxygen supply unit 410 and the second nano-micro bubble generator 412, and then the water temperature is controlled in the water temperature control unit 400.
  • the housing 110 has a configuration in which the inlet 112 and the outlet 114 are formed to enable the inlet and outlet of the fluid 10.
  • the fluid 10 may be introduced into the inlet 112 of the housing 110 by the driving force of the pump 190, and is supplied to the housing 110 between the pump 190 and the inlet 112 of the housing 110.
  • a heterogeneous fluid supply unit 180 for supplying a heterogeneous fluid 20 different from the fluid 10 and having a gas or liquid state may be disposed in the fluid 10.
  • the heterogeneous fluid supply unit 180 may be configured as, for example, a venturi tube structure (venturi part) having a wide inlet and an outlet and a relatively narrow inside as illustrated in FIG. 5.
  • the venturi part may have a heterogeneous fluid 20 such that a heterogeneous fluid 20 (a liquid such as a gas such as air, oxygen, nitrogen, ozone, carbon dioxide, or a catalyst) may be mixed in the fluid 10 supplied to the housing 110. 20)
  • a heterogeneous fluid 20 a liquid such as a gas such as air, oxygen, nitrogen, ozone, carbon dioxide, or a catalyst
  • the tank can be connected.
  • the flow rate of the fluid 10 supplied by the pump 190 is rapidly increased while passing through the venturi part, and the heterogeneous fluid 20 supplied from the heterogeneous fluid 20 tank has a strong suction force due to the increase in the flow rate. It is magnetically absorbed into the inside and mixed with the fluid 10 flowing into the housing 110. As such, the mixed fluid 10 of the fluid 10 and the heterogeneous fluid 20 may be more finely mixed by the bubble generating unit 120 and the flow path 130, and then discharged along the discharge pipe path 195.
  • the bubble generation and gas mixing system can be modularized to process the fluid 10 from low volume to large volume, and to increase the water dissolution rate of the gas selected from the group of gases such as air, oxygen, hydrogen, and ozone.
  • the gas injection amount can be reduced, and accordingly, a gas generator such as an oxygen generator, a hydrogen generator or an ozone generator can be miniaturized.
  • the housing 110 may be composed of an inner cylinder and an outer cylinder to have a dual structure.
  • the bubble generating unit 120 may be installed inside the inner cylinder, and may have a container structure with an open top.
  • the bubble generating unit 120 may be installed inside the inner cylinder, and may have a container structure with an open top.
  • the first collision member 122 and the second collision member 124 may be alternately installed in the inner cylinder, and the first collision member 122 is rotatable by the driving unit 160.
  • the outer cylinder may be formed in a larger size (diameter) than the inner cylinder to accommodate the inner cylinder therein, and the flow path 130 may be formed in a space between the inner cylinder and the outer cylinder.
  • the flow path 130 may be formed to have a spiral structure along the outer wall of the inner cylinder.
  • the bubble generating unit 120 may be installed in the fluid 10 moving path inside the housing 110 as shown in FIG. 5 to generate bubbles in the fluid 10 according to the collision or friction of the fluid 10.
  • the plurality of collision members that is, the plurality of first collision members 122 and the second collision member 124 may be disposed to be spaced apart from each other.
  • the plurality of collision members may be plate-like members. That is, as shown in FIG. 5, the first collision member 122 and the second collision member 124 may have a plate shape, and may be alternately disposed.
  • At least some of the plurality of collision members may have a mesh structure in which a plurality of openings 127 are formed to allow the fluid 10 to pass therethrough.
  • a case in which both the first collision member 122 and the second collision member 124 are mesh types having the opening 127 is provided as an example.
  • the fluid 10 flowing into the housing 110 is transferred to the first collision member ( Collision and friction may occur between the 122 and the second collision member 124, and thus, fine bubbles may be generated in the fluid 10.
  • the interior of the housing 110 as shown in Figure 5, the rotary shaft 140 is disposed in the longitudinal direction, both ends can be rotatably installed in the housing 110, at least some of the plurality of collision members, specifically As a result, the first collision member 122 may be coupled to the rotation shaft 140 to rotate with the rotation shaft 140, and the second collision member 124 may be fixed to the housing 110 in a fixed type. .
  • the first collision member 122 coupled to the rotation shaft 140 may rotate by the driving force of the rotation blade 150 or the driving unit 160.
  • the first collision member 122 may be rotated by power by coupling a driving unit 160 such as a motor to the rotation shaft 140.
  • a driving unit 160 such as a motor
  • the size and / or generation amount of the bubble may be adjusted by adjusting the rotational speed of the first collision member 122 through a speed adjusting device including a gear box or an inverter.
  • the first collision member 122 may be rotated in a non-powered manner without using the driving unit 160 as described above.
  • the rotary blade 150 may be installed at an end portion of the rotary shaft 140.
  • the rotary vane 150 may rotate at least some of the plurality of collision members, that is, the first collision member 122 by the flow force of the fluid 10 flowing through the housing 110.
  • the fluid 10 may transmit flow force to the first collision member 122 in axial flow, cross flow, or cross flow.
  • the present embodiment may be operated in two modes, the non-powered method using the rotary vane 150 and the power type using the drive unit 160.
  • the non-powered method may reduce the driving energy.
  • the power method when used, it is possible to actively control the bubble size, the amount of generation, and the like, which has the advantage of generating higher quality nanobubbles.
  • the rotary vane 150 is primarily used for driving the rotation of the first collision member 122.
  • the rotary vane 150 may also be formed by the fluid (e.g., the friction or friction of the fluid 10). The secondary role of generating bubbles in 10) can be more abundantly generated.
  • the first collision member 122 and the second collision member 124 may each have a mesh-like structure having an opening 127, and they may be in a state where the surfaces facing each other are substantially in contact or almost in contact with each other. Since it is arranged at relatively small intervals to hold, the fluid 10 passing through the first collision member 122 and the second collision member 124 is not in contact with the first collision member 122 and the second collision member 124. Collision and friction may occur, and at the same time, cavitation may occur in the fluid 10 as the first collision member 122 rotates.
  • the collision with the fluid 10, friction, and cavitation in the fluid 10 act in a complex manner, and thus, the fluid 10 particles may be atomized at least several nanometers (nm) to several tens of micrometers ( ⁇ m).
  • the gas dissolution rate in (10) can be further increased.
  • the number of the rotating shafts 140 in which the plurality of first collision members 122 (rotors) are installed at regular intervals may be two axes within the housing 110 as long as the internal space of the housing 110 allows. It is possible to install three or more axes, the details of which will be described later.
  • the flow path 130 is disposed in at least one of the inside and the outside of the housing 110 as shown in FIG. 5 to induce bubbles in the fluid 10 to be very fine due to the stress generated during the movement of the fluid 10. can do.
  • Bubbles in fluid 10 may be more micronized and nanobubble.
  • the flow path 130 may have a zigzag structure (a zig-zag path in the vertical direction, a zig-zag path on the same plane, or a path in which these are combined) as shown in FIG. 5, and the fluid 10 may be sufficiently stressed. It can be formed long enough to be generated, and its cross-sectional area can be formed narrow enough to smoothly induce the stress generation of the fluid.
  • the flow path 130 may be formed inside the housing 110 and disposed after the bubble generating unit 120 based on the movement path of the fluid 10. Accordingly, the bubbles generated in the fluid 10 primarily by the bubble generating unit 120 may be secondly ultrafine while passing through the flow path 130, resulting in abundantly producing high quality nano bubbles.
  • the flow path 130 may be separately provided outside the housing 110.
  • a chamber 170 may be connected to the outlet 114 of the housing 110, and a passage 130 may be formed inside the chamber 170.
  • the above-described fluid 10 which has undergone the first and second treatments, is thirdly processed by the flow path 130 in the chamber 170, the already formed ultrafine bubbles can be stabilized to more effectively generate nanobubbles. do.
  • the passage 130 may be formed only in the upper portion of the housing 110, and a separate passage 130 may not be formed in the lower portion thereof.
  • the driving unit 160 since the driving unit 160 is omitted, the first collision member 122 may be rotated only by a non-powered method by the fluid 10 using the lower rotating blade 150.
  • the device may be simplified by omitting the driving unit 160, and the driving cost of the device may be considerably lowered by not using power for the rotation of the first collision member 122. Can be advantageous.
  • the flow path 130 may be disposed before the bubble generating unit 120 based on the movement path of the fluid 10 as shown in FIG. 5. As such, the flow path 130 is disposed before the bubble generating unit 120 to pre-treat the fluid 10 flowing into the housing 110 by the shear stress generated until it passes through the boundary layer of the flow path surface. Miniaturization can be made more smoothly.
  • the chamber 170 in which the flow path 130 is formed may be disposed at the front and rear ends of the housing 110 to be connected to the inlet 112 and the outlet 114, respectively. Therefore, according to the present embodiment, the fluid 10 supplied through the pump 190 and passed through the heterogeneous fluid supply unit 180 is first pretreated in the chamber 170 and then introduced into the housing 110. It is discharged to the outside of the housing 110 through the flow path 130 formed in the lower portion of the housing 110, the bubble generating unit 120 formed thereon, and finally passes through the chamber 170 one more time, and bubbles are generated and Ultrafine can result in nano bubbles.
  • This embodiment can be configured by connecting a plurality of housings 110 in parallel. That is, the fluid 10 via the pump 190 and the heterogeneous fluid supply unit 180 may be branched and supplied to the plurality of housings 110, respectively. Since the bubble generating unit 120 and the flow path 130 are formed in the housing 110, microbubbles may be generated according to a complex action of collision, friction, and cavitation as described above. Subsequently, each of the fluids 10 discharged through the outlet 114 of the housing 110 may be integrated into one again and supplied to the chamber 170 having the flow path 130 to finally achieve ultra-fine bubbles.
  • the housing 110 (bubble generating unit 120 and the flow path 130) is provided again and arranged in parallel can further improve the nanobubble generating efficiency.
  • the present embodiment may be modified to arrange the housing 110 and the chamber 170 in parallel, and connect the plurality of housings 110 (including the bubble generating unit 120) in series or the plurality of chambers 170. Of course, it may be connected in series or in parallel (including the euro 130).
  • FIG. 6 shows examples of the mesh structure of the rotor (first collision member 122) and the stator (second collision member 124), and according to FIG. 6, the first collision member 122 and the second collision
  • the mesh structure of the member 124 may form a lattice in a planar structure.
  • the mesh structure of the first collision member 122 and the second collision member 124 may form a lattice structure in which the cross bars 125 and the cross bars 126 have a constant height difference and are ruggedly stepped. have.
  • the fluid 10 collides with the crosspiece 125 and the longitudinal rod 126 while passing through the mesh openings 127 having a grid shape, and the first collision member 122 and the second collision member 124 Since relative collisions can promote collision and friction of the fluid 10, the particles of the fluid 10 can be further atomized to effectively produce nanobubbles, thereby significantly increasing the gas dissolution rate.
  • the present embodiment shows a mesh structure of the lattice form, but the present invention is not limited thereto, and the mesh structure of various forms such as honeycomb form, triangle, and pentagon are also included in the scope of the present invention.

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Analytical Chemistry (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

Un aspect de la présente invention concerne un appareil d'aquaculture à recirculation comprenant : un réservoir d'aquaculture destiné à l'aquaculture d'organismes aquatiques ; une première unité de filtration pour filtrer principalement des contaminants dans l'eau d'aquaculture évacuée à partir du réservoir d'aquaculture ; une première unité de génération de nano-microbulles pour générer des nanobulles et/ou des microbulles dans l'eau d'aquaculture filtrée à l'origine par la première unité de filtration ; et une unité de traitement d'eau d'aquaculture pour faire flotter et éliminer de la surface de l'eau d'aquaculture des contaminants en utilisant les nanobulles et/ou les microbulles générées par la première unité de génération de nano-microbulles, et renvoyer au réservoir d'aquaculture l'eau d'aquaculture débarrassée des contaminants.
PCT/KR2019/006807 2018-06-05 2019-06-05 Appareil d'aquaculture à recirculation sans produit chimique WO2019235848A1 (fr)

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KR102290514B1 (ko) * 2020-01-29 2021-08-13 이진철 초미세기포를 이용한 수영장 및 워터파크 수처리 시스템

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KR200416997Y1 (ko) * 2006-01-20 2006-05-24 삼삼환경(주) 침전조의 부유물 제거장치
KR20170118986A (ko) * 2016-04-14 2017-10-26 부산외국어대학교 산학협력단 히트펌프와 순환여과시스템이 적용된 스마트 빌딩 양식장
KR20180002549A (ko) * 2017-08-23 2018-01-08 (주)미래에프앤디 육상 도심 고밀도 축양 양식을 위한 입체 단열 수조 시스템
KR101829728B1 (ko) * 2016-03-14 2018-02-20 (주)거해산업개발 나노버블수 발생방법

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WO1996036219A1 (fr) * 1995-05-17 1996-11-21 Jifas Corporation Installation de pisciculture
KR200416997Y1 (ko) * 2006-01-20 2006-05-24 삼삼환경(주) 침전조의 부유물 제거장치
KR101829728B1 (ko) * 2016-03-14 2018-02-20 (주)거해산업개발 나노버블수 발생방법
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