Jellyfish scyphistoma fry production system and method based on closed circulating water

Abstract

The invention discloses a jellyfish scyphistoma fry production system and method based on closed circulating water, and the system comprises a source water treatment system which comprises a source water first-stage filtering unit, a circulating pump, a source water second-stage filtering unit, a protein separator and a first disinfection unit which are sequentially connected to a water inlet pipe in series; the protein separator is connected with a second disinfection unit and an oxygenation unit; the automatic bait system provides living bait for jellyfish scyphistoma fries, the water inlet end and the water outlet end of the nursery pond are communicated with a water inlet pipe and a water outlet pipe respectively, an attachment plate and a wave making system are arranged in the fry nursery pond, and the flow speed suitable for feeding of scyphistoma can be adjusted at multiple angles; the tail water treatment system comprises a tail water filtering unit and a reservoir which are connected in series on the drainage pipe along the water outlet direction; the temperature control unit is communicated with the offspring seed conservation pond. According to the method, deep treatment can be carried out on source water, harmful substances are filtered out from the source, a stable, clean and suitable growth environment is provided for jellyfish, and the disease occurrence rate is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of jellyfish breeding equipment, and in particular to a jellyfish polyp seedling production system and method based on closed circulating water. Background Art

[0002] Due to overfishing and marine environmental problems, the natural resources of economic jellyfish have been sharply reduced, and the decline of germplasm resources caused by the existing pond culture and breeding methods has begun to appear. Therefore, optimizing jellyfish germplasm resources and innovating conservation methods are effective means to ensure the sustainable use of jellyfish resources.

[0003] The current method of jellyfish breeding is: in autumn, jellyfish parents with mature gonads are captured for sexual reproduction to produce jellyfish polyp seedlings, which are then artificially cultivated and hibernated at low temperatures, and then released through transverse fissures during the spring when the temperature rises.

[0004] This jellyfish breeding method has the following problems:

[0005] (1) It is difficult to capture wild jellyfish in natural sea areas during the breeding season. Collecting jellyfish for breeding in limited aquaculture ponds for many years can easily lead to inbreeding depression. At present, the jellyfish breeding populations in some areas have shown obvious miniaturization and frequent disease degradation.

[0006] (2) Without effective water treatment equipment, it is difficult to prevent fouling organisms in seawater, such as barnacles, hydras, glass squirts, sea slugs, and moon jellyfish polyps, from attaching to jellyfish plates. On the one hand, they occupy the living space of jellyfish polyps, or even cover them and kill them, resulting in a decrease in their number; on the other hand, they compete with jellyfish polyps for food organisms, affecting their growth rate, wasting food and increasing breeding costs. All of the above problems have a negative impact on the breeding of jellyfish polyps.

[0007] (3) Traditional aquaculture management methods are difficult to effectively control the quality of source water and tail water. Traditional aquaculture models often require large-scale drainage and replacement of water. The source water contains a lot of algae, bacteria and viruses. Killing these microorganisms is time-consuming and labor-intensive, and creates a huge economic burden. Aquaculture tail water contains excessive nitrogen and phosphorus organic matter, which is particularly difficult to collect and treat. Therefore, the traditional extensive aquaculture model has obvious disadvantages and can no longer meet the requirements of green breeding and conservation of jellyfish polyp seedlings.

[0008] (4) Traditional seedling raising models usually use artificial feeding. Due to uneven spreading or overfeeding, Artemia carcasses often accumulate on the attachment plates and cover the polyps. The decay of dead Artemia will produce toxic substances such as histamine and hydrogen sulfide, causing the polyps to fall off the plates due to poisoning. The circulating water system can be efficiently linked with the automated bait system to achieve automated quantitative delivery of live bait. Combined with the variable speed operation of the water flow, it can effectively solve the problem of dead Artemia remaining on the attachment plates, further ensuring the health of the polyp seedlings.

[0009] Based on the above technical problems, the present invention provides a jellyfish polyp seedling production system and method based on closed circulating water. Summary of the invention

[0010] The purpose of the present invention is to provide a closed circulating water based jellyfish polyp seedling production system and method to solve the problems existing in the prior art.

[0011] To achieve the above object, the present invention provides the following solution: The present invention provides a jellyfish polyp seed production system based on closed circulating water, comprising:

[0012] A seedling nursery pool, wherein the water inlet end and the water outlet end of the seedling nursery pool are respectively connected with a water inlet pipe and a water outlet pipe, and an attachment plate is arranged in the seedling nursery pool;

[0013] A source water treatment system, the source water treatment system comprising a source water primary filtration unit, a circulation pump, a source water secondary filtration unit, a protein separator, and a first disinfection unit connected in series to the water inlet pipe, wherein the protein separator is connected to a second disinfection unit and an oxygenation unit;

[0014] A tailwater treatment system, a tailwater filtration unit and a water reservoir connected in series on the drain pipe along the water outlet direction, and an end of the drain pipe is connected to the circulation pump;

[0015] A temperature control unit, the temperature control unit is connected to the seedlings and nursery pool, and is used to control the water temperature in the seedlings and nursery pool;

[0016] Wherein, the source water primary filtration unit is used to filter suspended matter in seawater;

[0017] The source water secondary filtration unit converts harmful substances in the source water into harmless substances through microorganisms.

[0018] According to the closed-circulation water-based jellyfish polyp seed production system provided by the present invention, the source water primary filtration unit includes an ultra-fine fiber filter, and the ultra-fine fiber filter is used to filter suspended matter and harmful substances in water.

[0019] According to the closed-circulation water-based jellyfish polyp seed production system provided by the present invention, the source water secondary filtration unit includes a biological filter, and the biological filter converts harmful substances in the source water into harmless substances through microorganisms.

[0020] According to the closed-circulation water-based jellyfish polyp seed production system provided by the present invention, the first sterilization unit includes an ultraviolet sterilizer, and the ultraviolet sterilizer is used for secondary sterilization of pathogens in the source water treated by the protein skimmer.

[0021] According to the closed-circulating water-based jellyfish polyp seedling production system provided by the present invention, the second disinfection unit includes an ozone disinfector, which is connected to the protein separator to perform preliminary disinfection on pathogens in the source water by ozone disinfection.

[0022] According to the closed-circulation water-based jellyfish polyp seed production system provided by the present invention, the oxygenation unit includes an oxygenation pump, which is connected to the protein separator. The pressure in the protein separator is increased to dissolve pure oxygen, thereby ensuring the dissolved oxygen content in the source water.

[0023] According to the closed circulating water-based jellyfish polyp seedling production system provided by the present invention, the tail water filtration unit includes a microfilter and a filter press, both of which are connected to the water reservoir, the microfilter is used to filter the tail water, and the filter press is used to filter the filter residue filtered out by the microfilter, separate the filter residue and the filtrate, and return the filtrate to the water reservoir.

[0024] According to the closed-circulation water-based jellyfish polyp seed production system provided by the present invention, a water level meter is installed in the water reservoir.

[0025] A method for producing jellyfish polyp seedlings based on closed circulating water comprises the following steps:

[0026] Step 1: The seawater is initially filtered through a source water primary filtration unit to remove suspended matter in the water;

[0027] Step 2: The initially filtered seawater is pumped into the secondary source water filtration unit through a circulation pump, and the secondary source water filtration unit converts harmful substances in the source water into harmless substances through microorganisms;

[0028] Step 3: The seawater treated by the secondary filtration unit of the source water enters the protein separator to remove small particles of organic matter. The first disinfection unit and the second disinfection unit disinfect the pathogens in the seawater. At the same time, the oxygenation unit increases the dissolved oxygen in the seawater. The oxygenated seawater enters the seedling nursery pool.

[0029] Step 4: the temperature control unit adjusts the water temperature in the seedling nursery pond according to the temperature feedback in the seedling nursery pond;

[0030] Step five: The automated bait system controls the valve opening time, and regularly and evenly releases live Artemia into the nursery pond to provide live bait for the jellyfish polyp seedlings. The bait system and the circulation system are linked to each other. When the bait is released, the circulation system stops working. A wave-making system is installed in the nursery pond, which can adjust the flow rate suitable for polyp feeding at multiple angles, so that the water in the pond remains flowing and ensures that the live Artemia is evenly distributed in the nursery pond. After the polyp seedlings have eaten enough, the circulation system starts the water circulation process;

[0031] Step 6: At regular intervals, the circulation system starts the blood stasis removal process. By adjusting the frequency of the circulation pump and increasing the flow rate of the circulation pump, the flow rate in the pipeline increases, thereby increasing the initial velocity of the water flow in the nursery pool. The initial velocity of the water inlet of the nursery pool drives the turbulent velocity of the water body to increase, and the dead Artemia on the attachment plate is washed away by the water flow, and the dirt is discharged through the pipe at the bottom of the nursery pool.

[0032] Step seven, the tail water in the seedling nursery pond flows out through the drain pipe and is filtered through the tail water filtration unit. The filtered tail water is separated into filter residue and filtrate by filter press. The filtrate enters the reservoir, and after being treated by the biofloc treatment process, it enters the source water treatment system for purification through the circulation pump. The filter residue is disinfected and fermented to produce bacterial protein, completing the overall aquaculture water circulation.

[0033] The present invention discloses the following technical effects:

[0034] The present invention can deeply process source water, filter out harmful substances from the source, provide a stable, clean and suitable growth environment for jellyfish, and reduce the incidence of diseases.

[0035] In the present invention, aquaculture tail water is treated by filter pressing to separate filter residue and filtrate in the tail water. The filtrate is returned to the source water treatment system for treatment after sedimentation, thereby reducing the waste of water resources. The filter residue is disinfected and fermented to produce bacterial protein as bait for the next nutritional level, thereby achieving harmless treatment of aquaculture tail water. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1It is a structural schematic diagram of the jellyfish polyp seedling production system based on closed circulating water of the present invention;

[0038] Figure 2 This is a tail water treatment flow chart of the present invention.

[0039] Among them, 1. Seedling nursery pond; 2. Reservoir; 3. Microfiber filter; 4. Circulation pump; 5. Biological filter; 6. Protein separator; 7. Ultraviolet sterilizer; 8. Ozone disinfector; 9. Oxygen pump; 10. Microfiltration machine; 11. Water level meter; 12. Temperature control unit; 13. Automated bait system. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0042] Reference Figure 1-Figure 2 The present invention provides a jellyfish polyp seed production system based on closed circulating water, comprising:

[0043] A seedling nursery pool 1, wherein the water inlet and the water outlet of the seedling nursery pool 1 are respectively connected with a water inlet pipe and a water outlet pipe, and an attachment plate and a wave-making system are arranged in the seedling nursery pool 1;

[0044] The source water treatment system includes a source water primary filtration unit, a circulation pump 4, a source water secondary filtration unit, a protein separator 6, and a first disinfection unit connected in series on the water inlet pipe, and the protein separator 6 is connected to a second disinfection unit and an oxygenation unit;

[0045] Tailwater treatment system, a tailwater filter unit and a water reservoir 2 connected in series on a drain pipe along the water outlet direction, and the end of the drain pipe is connected to a circulation pump 4;

[0046] The temperature control unit 12 is connected to the seedling nursery pool 1 and is used to control the water temperature in the seedling nursery pool 1. The temperature control unit 12 includes a warm water unit and a temperature sensor. The temperature sensor is arranged in the seedling nursery pool 1. The temperature in the seedling nursery pool 1 is monitored by the temperature sensor. The cold water unit controls the cold water output through data feedback from the temperature sensor, so that the water temperature in the seedling nursery pool 1 is kept constant, which is convenient for the production of jellyfish.

[0047] An automated bait system 13, the automated bait system 13 comprising a bait tank, the bait tank being connected to the seedlings nursery pond, and being used to provide live Artemia as bait for the jellyfish polyp seedlings;

[0048] Among them, the source water primary filtration unit is used to filter suspended matter in seawater;

[0049] The source water secondary filtration unit converts harmful substances in the source water into harmless substances through microorganisms.

[0050] According to a further optimization scheme, the primary filtration unit of the source water includes an ultra-fine fiber filter 3, and the ultra-fine fiber filter 3 is used to filter suspended matter and harmful substances in the water.

[0051] In this embodiment, the primary filtration of seawater includes two parts: coarse filtration and fine filtration. The coarse filtration uses sand filtration to preliminarily remove large particle impurities and marine microorganisms with a particle size of about 50 microns or more in the seawater. The fine filtration part is used to treat the original water quality entering the system. It uses ultra-fine fiber filter columns and ultrafiltration (UF) membrane technology to remove particles, suspended matter, colloidal organic matter, microorganisms (such as viruses and bacteria), etc., to ensure the cleanliness of the source water quality, effectively prevent fouling organisms, and provide high-quality water sources for jellyfish polyp seedlings.

[0052] According to a further optimization scheme, the secondary filtration unit of the source water includes a biological filter 5, which converts harmful substances in the source water into harmless substances through microorganisms.

[0053] According to a further optimization scheme, the first disinfection unit includes an ultraviolet sterilizer 7 , which is used for secondary disinfection of pathogens in the source water after being treated by the protein separator 6 .

[0054] To further optimize the solution, the second disinfection unit includes an ozone disinfector 8, which is connected to the protein separator 6 to perform preliminary disinfection on pathogens in the source water by means of ozone disinfection.

[0055] To further optimize the solution, the oxygenation unit includes an oxygenation pump 9, which is connected to the protein separator 6. The pure oxygen is dissolved by increasing the pressure in the protein separator 6 to ensure the dissolved oxygen content in the source water.

[0056] According to a further optimization scheme, the tail water filtration unit includes a microfilter 10 and a filter press, both of which are connected to the water reservoir 2. The microfilter 10 is used to filter the tail water, and the filter press is used to filter the residue filtered out by the microfilter 10, separate the residue and the filtrate, and return the filtrate to the water reservoir 2.

[0057] To further optimize the solution, a water level meter 11 is installed in the water reservoir 2.

[0058] A method for producing jellyfish polyp seedlings based on closed circulating water comprises the following steps:

[0059] Step 1: The seawater is initially filtered through a source water primary filtration unit to remove suspended matter in the water;

[0060] Step 2: The initially filtered seawater is pumped into the secondary source water filtration unit through the circulation pump 4, and the secondary source water filtration unit converts harmful substances in the source water into harmless substances through microorganisms;

[0061] Step 3: The seawater treated by the secondary filtration unit of the source water enters the protein separator 6 to remove small particles of organic matter. The first disinfection unit and the second disinfection unit disinfect the pathogens in the seawater. At the same time, the oxygenation unit increases the dissolved oxygen in the seawater. The oxygenated seawater enters the seedling nursery pool 1.

[0062] Step 4: the temperature control unit 12 adjusts the water temperature in the seedling nursery pool 1 according to the temperature feedback in the seedling nursery pool 1;

[0063] Step 5. When the control valve of the automated bait system is opened, live Artemia is put into the nursery pond at a regular and uniform time to provide live bait for the jellyfish polyp seedlings. The bait system and the source water treatment system are linked to each other. When the bait is put in, the source water treatment system stops working. A wave-making system is installed in the nursery pond to adjust the flow rate suitable for polyp feeding at multiple angles to keep the water flow in the pond flowing and ensure that the live Artemia is evenly distributed in the nursery pond. After the polyp seedlings have eaten enough, the source water treatment system starts the water circulation process.

[0064] Step 6: During the interval, the source water treatment system and the tail water treatment system cooperate to start the desludging process. By adjusting the frequency of the circulation pump and increasing the flow rate of the circulation pump, the flow rate in the pipeline is increased, thereby increasing the initial velocity of the water flow in the nursery pool. The initial velocity of the water inlet of the nursery pool drives the turbulent velocity of the water body to increase, and the dead Artemia on the attachment plate is washed away by the water flow, and the dirt is discharged through the pipeline at the bottom of the nursery pool;

[0065] Step seven, the tail water in the seedling nursery pond 1 flows out through the drain pipe and is filtered through the tail water filtration unit. The filtered tail water is separated into filter residue and filtrate by filter press. The filtrate enters the reservoir 2, and after being treated by the biofloc treatment process, it enters the source water treatment system for purification through the action of the circulation pump 4. The filter residue is disinfected and fermented to produce bacterial protein, completing the overall aquaculture water circulation.

[0066] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0067] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A jellyfish polyp seed production system based on closed circulating water, characterized in that: include: A seedling nursery pond (1), wherein the water inlet end and the water outlet end of the seedling nursery pond (1) are respectively connected to a water inlet pipe and a water outlet pipe, and an attachment plate and a wave-making system are arranged in the seedling nursery pond (1); A source water treatment system, the source water treatment system comprising a source water primary filtration unit, a circulation pump (4), a source water secondary filtration unit, a protein separator (6), and a first disinfection unit connected in series on the water inlet pipe, wherein the protein separator (6) is connected to a second disinfection unit and an oxygenation unit; A tailwater treatment system, a tailwater filter unit and a water reservoir (2) connected in series on the drainage pipe along the water outlet direction, wherein the end of the drainage pipe is connected to the circulation pump (4); A temperature control unit (12), the temperature control unit (12) being in communication with the seedling nursery pool (1) and being used for regulating the water temperature in the seedling nursery pool (1); An automated bait system (13), the automated bait system (13) comprising a bait tank, the bait tank being connected to the seedlings incubation pond and being used to provide live Artemia as bait for the jellyfish polyp seedlings; Wherein, the source water primary filtration unit is used to filter suspended matter in seawater; The source water secondary filtration unit converts harmful substances in the source water into harmless substances through microorganisms.

2. The closed-circulation water-based jellyfish polyp seedling production system according to claim 1, characterized in that: The source water primary filtration unit comprises an ultra-fine fiber filter (3), and the ultra-fine fiber filter (3) is used to filter suspended matter and harmful substances in water.

3. The closed-circulation water-based jellyfish polyp seedling production system according to claim 1, characterized in that: The source water secondary filtration unit comprises a biological filter (5), and the biological filter (5) converts harmful substances in the source water into harmless substances through microorganisms.

4. The closed-circulation water-based jellyfish polyp seedling production system according to claim 1, characterized in that: The first sterilization unit comprises an ultraviolet sterilizer (7), and the ultraviolet sterilizer (7) is used to perform secondary sterilization on pathogens in the source water after being treated by the protein separator (6).

5. The closed-circulation water-based jellyfish polyp seed production system according to claim 1, characterized in that: The second disinfection unit comprises an ozone disinfector (8), which is connected to the protein separator (6) and performs preliminary disinfection on pathogens in the source water by means of ozone disinfection.

6. The closed-circulation water-based jellyfish polyp seedling production system according to claim 1, characterized in that: The oxygenation unit comprises an oxygenation pump (9), which is connected to the protein separator (6) and dissolves pure oxygen by increasing the pressure in the protein separator (6), thereby ensuring the content of dissolved oxygen in the source water.

7. The closed-circulation water-based jellyfish polyp seedling production system according to claim 1, characterized in that: The tail water filtration unit comprises a microfilter (10) and a filter press, wherein both the microfilter (10) and the filter press are connected to the water reservoir (2), the microfilter (10) is used to filter the tail water, and the filter press is used to filter the filter residue filtered out by the microfilter (10), separate the filter residue and the filtrate, and return the filtrate to the water reservoir (2).

8. The closed-circulation water-based jellyfish polyp seedling production system according to claim 1, characterized in that: A water level meter (11) is installed in the water reservoir (2).

9. A method for producing jellyfish polyp seedlings based on closed circulating water, based on the jellyfish polyp seedling production system based on closed circulating water according to any one of claims 1 to 8, characterized in that: The steps include: Step 1: The seawater is initially filtered through a source water primary filtration unit to remove suspended matter in the water; Step 2, pumping the initially filtered seawater into the source water secondary filtration unit through a circulation pump (4), and the source water secondary filtration unit converts harmful substances in the source water into harmless substances through microorganisms; Step 3: The seawater treated by the secondary filtration unit of the source water enters the protein separator (6) to remove small particles of organic matter. The first disinfection unit and the second disinfection unit disinfect the pathogens in the seawater. At the same time, the oxygenation unit increases the dissolved oxygen in the seawater. The oxygenated seawater enters the seedling nursery pool (1). Step 4: the temperature control unit (12) adjusts the water temperature in the seedling nursery pond (1) according to the temperature feedback in the seedling nursery pond (1); Step 5. When the control valve of the automated bait system is opened, live Artemia is put into the nursery pond at a regular and uniform time to provide live bait for the jellyfish polyp seedlings. The bait system and the source water treatment system are linked to each other. When the bait is put in, the source water treatment system stops working. A wave-making system is installed in the nursery pond to adjust the flow rate suitable for polyp feeding at multiple angles to keep the water flow in the pond flowing and ensure that the live Artemia is evenly distributed in the nursery pond. After the polyp seedlings have eaten enough, the source water treatment system starts the water circulation process. Step 6: During the interval, the source water treatment system and the tail water treatment system cooperate to start the desludging process. By adjusting the frequency of the circulation pump and increasing the flow rate of the circulation pump, the flow rate in the pipeline is increased, thereby increasing the initial velocity of the water flow in the nursery pool. The initial velocity of the water inlet of the nursery pool drives the turbulent velocity of the water body to increase, and the dead Artemia on the attachment plate is washed away by the water flow, and the dirt is discharged through the pipeline at the bottom of the nursery pool; Step seven, the tail water in the seedling nursery pond (1) flows out through the drain pipe and is filtered through the tail water filtration unit. The filtered tail water is separated into filter residue and filtrate by filter pressing. The filtrate enters the reservoir (2), and after being treated by the biofloc treatment process, it enters the source water treatment system through the action of the circulation pump (4) for purification. The filter residue is disinfected and fermented to produce bacterial protein, completing the overall circulation of the aquaculture water.

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