CN107889772B - Method and device for promoting growth of cultured fish based on plasma irradiation - Google Patents
Method and device for promoting growth of cultured fish based on plasma irradiation Download PDFInfo
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- CN107889772B CN107889772B CN201711099281.0A CN201711099281A CN107889772B CN 107889772 B CN107889772 B CN 107889772B CN 201711099281 A CN201711099281 A CN 201711099281A CN 107889772 B CN107889772 B CN 107889772B
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Images
Classifications
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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
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of 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
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/305—Treatment of water, waste water, or sewage by irradiation with electrons
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
Abstract
A method for promoting the growth of farmed fish based on plasma irradiation relates to the field of fishery farming. Solves the problems of low survival rate, high cost, serious resource waste and the like in the prior aquaculture industry which usually adopts a mode of promoting growth of feed or medicaments. The method comprises the following steps: performing arc discharge to air; irradiating the discharged air with ultraviolet rays; the substance generated after ultraviolet irradiation is introduced into water. The invention also provides a device for promoting the growth of the cultured fish based on the plasma irradiation. The invention adopts the technical scheme that active nitrogen-containing components, electromagnetic fields, ultraviolet rays, other charged particles, free radicals and the like generated in the plasma discharge process are input into water under the atmospheric pressure environment, so that the survival rate of the cultured fishery is improved, and the growth period of the cultured fishes is effectively shortened.
Description
Technical Field
The application relates to the field of fishery culture, in particular to a method and a device for promoting growth of cultured fish based on plasma irradiation
Background
Atmospheric pressure plasma is a very specific gaseous substance that contains reactive oxygen-containing species, reactive nitrogen-containing species, electromagnetic fields, heat, ultraviolet and other charged particles, and free radicals. Studies have shown that atmospheric pressure plasmas have demonstrated the ability to excite, elevate, control, and catalyze a variety of complex behaviors and reactions in biological systems. The atmospheric pressure plasma contains active ingredients such as nitric oxide, hydrogen peroxide and the like, and the active oxygen-containing ingredients in the atmospheric pressure plasma have been proved to have broad-spectrum bactericidal effect and can start a natural coagulation mechanism to quickly stop bleeding of wounds; hydrogen peroxide can affect the wound closure process by activating redox reactions; nitric oxide is an important mediator that affects the skin's response to infections, it is an important mediator that can affect many biological functions including regulating blood coagulation, immune response, neural communication, relaxing smooth muscle, regulating hormone secretion, and it can be used as an antiseptic and anticancer agent. Meanwhile, the special neutral molecules generated in the discharge process under the atmospheric pressure environment have the promotion effect on the cell growth of organisms.
At present, the aquaculture industry usually adopts a mode of promoting growth of feed or medicaments, and has the problems of low survival rate, high cost, serious resource waste and the like.
Disclosure of Invention
In order to solve one of the technical problems, the invention provides a method for promoting the growth of farmed fish based on plasma irradiation, which comprises the following steps:
performing arc discharge to air;
irradiating the discharged air with ultraviolet rays;
the substance generated after ultraviolet irradiation is introduced into water.
Preferably, the power supply used for arc discharge to air is 8KV direct current.
Preferably, the method further comprises: the discharged air is introduced into a conversion vessel for preventing a third substance from reacting, and then ultraviolet rays are irradiated to the discharged air in the conversion vessel.
In order to solve one of the above technical problems, the present invention provides a device for promoting the growth of farmed fish based on plasma irradiation, which comprises an air pump, an arc discharge circuit, an ultraviolet irradiation circuit and a conversion container,
the air pump is used for pumping air into the conversion container;
the arc discharge circuit is used for carrying out arc discharge on air in the process that air pumped by the air pump flows to the variable capacitor;
the ultraviolet irradiation circuit is used for irradiating ultraviolet rays to the discharged air in the conversion container;
the transfiguration container is used for a reaction container for irradiating air with ultraviolet rays, and materials generated after the ultraviolet rays are irradiated are introduced into water.
Preferably, the air pump is connected to the conversion container by a conduit.
Preferably, the arc discharge circuit includes: a first power source E1, a first resistor R1, a second resistor R2, a capacitor C, a first electrode and a second electrode,
the positive electrode of the first power supply E1 is connected with one end of a first resistor R1;
the other end of the first resistor R1 is simultaneously connected with one end of the capacitor C, one end of the second resistor R2 and one end of the first electrode;
the negative electrode of the first power supply E1 is simultaneously connected with the other end of the capacitor C, the other end of the second resistor R2 and one end of the second electrode and grounded;
the first electrode and the second electrode are fixed on two sides of the guide pipe and used for discharging air circulating in the guide pipe.
Preferably, the first power source E1 is 8KV dc power.
Preferably, the ultraviolet irradiation circuit includes: the LED lamp comprises a second power supply E2, a third resistor R3 and a plurality of LEDs, wherein the second power supply E2, the third resistor R3 and the plurality of LEDs are sequentially connected in series, and the negative electrode of the second power supply E2 is grounded.
Preferably, through holes are respectively formed in two side walls of the conversion container, one of the through holes is connected with the air pump through a conduit, and the other through hole is connected with a hose which is inserted into water.
Preferably, the through holes of the conversion container are provided with sealing members for sealing the conversion container with the conduit and the hose.
The invention has the following beneficial effects:
the invention adopts the technical scheme that active nitrogen-containing components, electromagnetic fields, ultraviolet rays, other charged particles, free radicals and the like generated in the plasma discharge process are input into water under the atmospheric pressure environment, so that the survival rate of the cultured fishery is improved, and the growth period of the cultured fishes is effectively shortened. Meanwhile, the ozone generated in the discharging process effectively controls the output concentration and achieves a certain cleaning and sterilizing effect on the water environment. And the device is small and exquisite, with low costs, convenient to carry, the current situation that accords with the aquaculture industry of china completely.
In addition, the feedstock of the present invention is derived from air, while the resulting product is put into service again through secondary processing. In the whole process, all products are recycled, and no waste is generated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a flow chart of a method for promoting the growth of farmed fish based on plasma irradiation according to this embodiment;
FIG. 2 is a schematic diagram of the device for promoting the growth of farmed fish based on plasma irradiation according to the embodiment;
FIG. 3 is a circuit diagram of an arc discharge circuit according to the present embodiment;
FIG. 4 is a circuit diagram of the ultraviolet irradiation circuit according to the present embodiment;
fig. 5 is a schematic diagram illustrating irradiation of discharged air when there are three ultraviolet irradiation circuits according to the present embodiment.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1, the present embodiment proposes a method for promoting growth of farmed fish based on plasma irradiation, the method comprising:
s101, arc discharge is carried out on air.
Specifically, the raw material used in the method of this embodiment is air. Neutral substances generated in plasma discharge in atmospheric environment have special promotion effect on the growth of organisms. Meanwhile, in the arc discharge process, the high-temperature plasma can generate the following reaction, and the generated nitric oxide can promote the growth of biological cells. The substance generation process is as follows:
O+NO+M→NO2+M
O3+NO→NO2+O2
2NO2→2NO+O
meanwhile, the generated nitrides have growth promoting effect on biological cells more directly and effectively through a suction mode. In the previous experiments, two control groups were provided. Meanwhile, the spawned fish eggs are divided into two groups. One group was subjected to the plasma irradiation experiment, and one group was not subjected to any treatment. The feeding modes such as bait feeding, water changing frequency and the like are completely consistent, and after several days, the irradiated fish obtains subtle effects on the weight and the body length.
The process of arc discharge to air described in this embodiment is implemented by an arc discharge circuit, which includes: the circuit comprises a first power supply E1, a first resistor R1, a second resistor R2, a capacitor C, a first electrode and a second electrode, wherein the anode of the first power supply E1 is connected with one end of the first resistor R1; the other end of the first resistor R1 is simultaneously connected with one end of the capacitor C, one end of the second resistor R2 and one end of the first electrode; the negative electrode of the first power supply E1 is simultaneously connected with the other end of the capacitor C, the other end of the second resistor R2 and one end of the second electrode and grounded; the first electrode and the second electrode are fixed on two sides of the guide pipe and used for discharging air circulating in the guide pipe. The first power source E1 uses 8KV dc power.
And S102, irradiating the discharged air with ultraviolet rays.
In particular, nitrogen dioxide can be converted to nitric oxide by high-energy ultraviolet irradiation, and a suitable conversion container needs to be found in the process so as to prevent the third type of substance from reacting.
The ultraviolet irradiation process described in this embodiment is implemented by an ultraviolet irradiation circuit, where the ultraviolet irradiation circuit includes: the LED lamp comprises a second power supply E2, a third resistor R3 and a plurality of LEDs, wherein the second power supply E2, the third resistor R3 and the plurality of LEDs are sequentially connected in series, and the negative electrode of the second power supply E2 is grounded. The number of the LEDs can be adjusted according to actual requirements.
S103, introducing the substance generated after ultraviolet irradiation into water.
Specifically, all reactions in the method of this embodiment are performed in the atmosphere, and the generated substances are introduced into water through the hose, and the residual nitrogen dioxide becomes trace nitric acid when meeting water, thereby sterilizing the water environment.
Correspondingly, as shown in fig. 2, the present embodiment also proposes a device for promoting the growth of farmed fish based on plasma irradiation, which comprises an air pump, an arc discharge circuit, an ultraviolet irradiation circuit and a conversion container,
the air pump is used for pumping air into the conversion container;
the arc discharge circuit is used for carrying out arc discharge on air in the process that air pumped by the air pump flows to the variable capacitor;
the ultraviolet irradiation circuit is used for irradiating ultraviolet rays to the discharged air in the conversion container;
the transfiguration container is used for a reaction container for irradiating air with ultraviolet rays, and materials generated after the ultraviolet rays are irradiated are introduced into water.
Specifically, as shown in fig. 3, the arc discharge circuit includes: the circuit comprises a first power supply E1, a first resistor R1, a second resistor R2, a capacitor C, a first electrode and a second electrode, wherein the anode of the first power supply E1 is connected with one end of the first resistor R1; the other end of the first resistor R1 is simultaneously connected with one end of the capacitor C, one end of the second resistor R2 and one end of the first electrode; the negative electrode of the first power supply E1 is simultaneously connected with the other end of the capacitor C, the other end of the second resistor R2 and one end of the second electrode and grounded; the first electrode and the second electrode are fixed on two sides of the guide pipe and used for discharging air circulating in the guide pipe. The first power source E1 uses 8KV dc power.
As shown in fig. 4 and 5, the ultraviolet irradiation circuit includes: the LED lamp comprises a second power supply E2, a third resistor R3 and a plurality of LEDs, wherein the second power supply E2, the third resistor R3 and the plurality of LEDs are sequentially connected in series, and the negative electrode of the second power supply E2 is grounded. The number of the LEDs can be adjusted according to actual requirements. The gas irradiated by the ultraviolet rays can be directly introduced into water and is supplied to farmed fish.
Furthermore, through holes are respectively formed in two side walls of the conversion container, one of the through holes is connected with the air pump through a conduit, the other through hole is connected with a hose, and the hose is inserted into water. And sealing elements are arranged on the through holes of the conversion container and are used for sealing the conversion container with the guide pipe and the hose.
The effectiveness of the system of this example is demonstrated below in conjunction with specific experimental data, where table 1 is the concentration of gas generated at a distance of 1.8mm between the first and second electrodes:
TABLE 1
| Status of LED | Concentration of NO/ppm | NO2 concentration/ppm | Concentration of ozone/ppm |
| OFF | 95 | 90 | 12 |
| ON | 100 | 25 | 8.3 |
| ON | 150 | 32 | 8.5 |
| ON | 200 | 52 | 9 |
As a result, the concentration of NO generated after irradiation by the ultraviolet irradiation circuit described in this example was significantly increased. The nitrogen dioxide can be further decomposed by light to generate nitric oxide with more concentration in the irradiation process of the ultraviolet irradiation circuit, and ozone is generated at the same time, so that the sterilization and disinfection effects can be realized under the condition of controlling a certain concentration range.
Tables 2 and 3 show the body length data and body weight data of male and female fish detected without and with ultraviolet irradiation, respectively:
TABLE 2
TABLE 3
From the comparison of the body length and body weight data of the male and female fish in the presence and absence of uv irradiation in tables 2 and 3, it can be seen that both the body length and body weight data have significant increase after the uv-irradiated gas is supplied to the farmed fish, and the effectiveness and superiority of the apparatus of this embodiment are clearly confirmed.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A method for promoting growth of farmed fish based on plasma irradiation, the method comprising:
performing arc discharge to air;
irradiating the discharged air with ultraviolet rays;
the substance generated after ultraviolet irradiation is introduced into water.
2. The method of claim 1, wherein the arc discharge to air is performed using 8KV dc power.
3. The method according to claim 1 or 2, characterized in that the method further comprises: the discharged air is introduced into a conversion vessel for preventing a third substance from reacting, and then ultraviolet rays are irradiated to the discharged air in the conversion vessel.
4. A device for promoting the growth of cultured fish based on plasma irradiation is characterized by comprising an air pump, an arc discharge circuit, an ultraviolet irradiation circuit and a conversion container,
the air pump is used for pumping air into the conversion container;
the arc discharge circuit is used for carrying out arc discharge on air in the process that air pumped by the air pump flows to the variable capacitor;
the ultraviolet irradiation circuit is used for irradiating ultraviolet rays to the discharged air in the conversion container;
the transfiguration container is used for a reaction container for irradiating air with ultraviolet rays, and materials generated after the ultraviolet rays are irradiated are introduced into water.
5. The device of claim 4, wherein the air pump is connected to the transition container by a conduit.
6. The apparatus of claim 5, wherein the arc discharge circuit comprises: a first power supply, a first resistor, a second resistor, a capacitor, a first electrode and a second electrode,
the positive electrode of the first power supply is connected with one end of the first resistor;
the other end of the first resistor is simultaneously connected with one end of the capacitor, one end of the second resistor and one end of the first electrode;
the negative electrode of the first power supply is simultaneously connected with the other end of the capacitor, the other end of the second resistor and one end of the second electrode and is grounded;
the first electrode and the second electrode are fixed on two sides of the guide pipe and used for discharging air circulating in the guide pipe.
7. The apparatus of claim 6, wherein the first power source is 8KV dc power.
8. The apparatus of claim 7, wherein the ultraviolet irradiation circuit comprises: the LED lamp comprises a second power supply, a third resistor and a plurality of LEDs, wherein the second power supply, the third resistor and the LEDs are sequentially connected in series, and the negative electrode of the second power supply is grounded.
9. The apparatus of claim 8, wherein the two sidewalls of the conversion container are respectively formed with through holes, one of the through holes is connected to the air pump through a pipe, and the other through hole is connected to a hose, and the hose is inserted into the water.
10. The apparatus of claim 9, wherein the through holes of the transition vessel are each provided with a seal for sealing the transition vessel to the conduit and the hose.
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| CN109258526A (en) * | 2018-11-30 | 2019-01-25 | 河南省水产科学研究院 | A kind of plasma irradiation breeding method of crucian |
| CN109258527A (en) * | 2018-11-30 | 2019-01-25 | 河南省水产科学研究院 | A kind of plasma irradiating breeding method of the Yellow River carp |
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| CN104211137A (en) * | 2014-08-12 | 2014-12-17 | 西安交通大学 | Plasma water treatment device |
| CN206476783U (en) * | 2017-01-13 | 2017-09-08 | 杜佳钊 | A kind of physical sterilization device |
| CN107253746A (en) * | 2017-07-28 | 2017-10-17 | 罗璐 | The water treatment facilities of water supply network terminal based on CSDBD |
| CN107324443A (en) * | 2017-09-04 | 2017-11-07 | 南京大学 | A kind of sewage-treatment plant of use gas phase surface discharge plasma |
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