CN211558496U

CN211558496U - High-density fish culture system

Info

Publication number: CN211558496U
Application number: CN202020104679.XU
Authority: CN
Inventors: 谢张群; 蓝祖亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-09-25
Anticipated expiration: 2030-01-17

Abstract

The utility model relates to a high density system of breeding fish, include: the water storage tank is provided with a water injection hole, N elevation overflow ports and N low-elevation water inlets; the N culture units are uniformly distributed along the circumferential direction of the reservoir; each culture unit comprises a fish pond and a glass room, and the fish pond is provided with a water inlet and a water outlet; the glass house is provided with a cultivation groove, and green plants are cultivated in the cultivation groove; the cultivation groove is provided with a water inlet hole and a water outlet hole; each elevation overflow port of the reservoir is communicated with the water inlet of each fishpond in a one-to-one correspondence way and has a fall; the water outlet of the fish pond is communicated with the water inlet hole of the cultivation groove and has a fall; the water outlet hole of the cultivation groove is communicated with the low-range water inlet of the reservoir and has a fall; the glass house is used as an office place, and the photosynthesis of green plants generates oxygen; n is a positive integer greater than 1. The utility model discloses a drop design between the cultivation groove in cistern, aquarium and the glass room realizes dynamic water exchange, realizes running water and breeds fish, improves the survival rate of fry and the density and the output of breeding fish.

Description

High-density fish culture system

Technical Field

The utility model belongs to the technical field of fish culture, concretely relates to high density system of breeding fish.

Background

The fish and vegetable symbiosis is a novel composite cultivation system, two originally completely different farming techniques of aquaculture and hydroponic cultivation are combined, and scientific synergetic symbiosis is achieved through ingenious ecological design. In the traditional aquaculture, along with the accumulation of fish excrement, the ammonia nitrogen in the water body is increased, and the toxicity is gradually increased; in the fish-vegetable symbiotic system, aquaculture water is conveyed to a hydroponic system, and ammonia nitrogen in the water is decomposed into nitrite and alkali nitrate by microbial bacteria, so that the nitrite and the alkali nitrate are absorbed and utilized by plants as nutrition.

In the prior art, the research on fish-vegetable symbiosis is more. For example, patent document No. CN104969886B discloses a method for symbiotic cultivation of fish and vegetables, in which an ecological floating bed is installed in a pond, vegetables are planted on the ecological floating bed, and fish are cultivated in the pond. Patent document with publication number CN104509469A discloses a high-density green ecological breeding method for lipped fishes, which comprises the steps of site selection and pond building, pond cleaning and disinfection, fry throwing, feeding, daily management, fish disease prevention and control and the like, wherein the lipped fishes are artificially bred by adopting a breeding mode of combining a diversion pond and a stepped multi-level drop height breeding pond, wherein the diversion pond is used for precipitating stream sundries and adjusting water temperature, and the stepped multi-level drop height breeding pond fully dissolves oxygen in air in the drop height process through water flow, so that the requirement of the water flow on the dissolved oxygen content in each breeding pond under different heights is met; wherein, the cultivation area is selected on the mountain stream side in a mountain area with wide terrain and sufficient illumination, and the terrain fall is in a step shape and is not less than 10 meters. For another example, patent document No. CN104782542A discloses an ecological and high-density snakehead cultivation method, which comprises building a cement cultivation pond, arranging a plurality of drain holes at the bottom of the cultivation pond, building a plurality of cultivation grooves near the cultivation pond, spreading a cultivation medium in the cultivation grooves, putting snakehead seeds into the pond in the first 9 th to the last 10 th days after filling water in the pond, simultaneously spreading vegetable seeds, changing the water in the cultivation pond every 6-7 days in spring and autumn after putting the snakehead seeds, changing the water in the cultivation pond every 15-17 days in summer and winter, and changing the water to irrigate the cultivated vegetables; through breeding the snakehead and planting vegetables and combining together, reach a green, pollution-free, ecological healthy breed system, regularly change the rivers in breeding the pond, guarantee that the snakehead has a good living environment, the sewage of change is used for irrigating the vegetables of cultivation inslot, make full use of natural resources, and the vegetable cultivation process need not to use chemical fertilizer, and the green organic, pollution-free of vegetables of cultivation is more suitable for the consumer and eats.

Although the existing fish and vegetable symbiosis system realizes cooperative symbiosis, the problems of low dissolved oxygen, low culture density, difficult site selection and the like still exist to be solved.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned not enough that exists among the prior art, the utility model provides a high density system of breeding fish.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

a high-density fish farming system comprising:

the reservoir is of a hollow hemispheroid structure, and the top of the reservoir is a diameter surface; the wall of the reservoir is provided with a water injection hole, N elevation overflow ports and N low-range water inlets;

the N culture units are uniformly distributed along the circumferential direction of the reservoir; each culture unit comprises a fish pond and a glass room, and the fish pond is provided with a water inlet and a water outlet; a cultivation groove is arranged in the glass house, and a cultivation medium is arranged in the cultivation groove and is used for cultivating green plants; the cultivation groove is provided with a water inlet hole and a water outlet hole;

each elevation overflow port of the reservoir is communicated with the water inlet of each fishpond in a one-to-one correspondence way and has a fall;

the water outlet of the fish pond is communicated with the water inlet hole of the cultivation groove and has a fall;

the water outlet of the cultivation groove is communicated with a low-range water inlet of the reservoir and has a fall;

the glass house is used as an office place, and the photosynthesis of green plants generates oxygen;

wherein N is a positive integer greater than 1.

Preferably, a stirring mechanism is arranged in the water storage tank.

Preferably, the high-density fish culture system further comprises an aerator, and the aerator extends to the bottom of the reservoir through an aeration pipeline.

Preferably, the high-density fish farming system further comprises an aerator for aerating the water in the culture tank.

Preferably, the top of the water reservoir is an open structure or a closed structure.

Preferably, a light source required by photosynthesis of green plants is arranged in the glass house.

Preferably, the fishpond is of a circular structure, the bottom of the fishpond is of a conical structure, and the water outlet of the fishpond is located in the center of the bottom of the fishpond.

Preferably, the water outlet of the fishpond is provided with a sand filtering net.

Preferably, the cultivation grooves are distributed along the circumferential direction of the glass house.

Preferably, the value of N is 2, 4, 5 or 6.

Compared with the prior art, the utility model, beneficial effect is:

(1) the utility model realizes dynamic water exchange through the drop design among the water storage tank, the fish pond and the cultivation grooves in the glass room, realizes live water fish culture, is beneficial to improving the physical and chemical indexes of the culture water body, such as the dissolved oxygen in the culture water body, thereby improving the survival rate of fry and the density and the yield of fish culture; meanwhile, the prompt of the quality of the office environment is accompanied; and moreover, the energy consumption of drainage is saved.

(2) The utility model discloses utilize the purification performance of cultivation inslot culture medium, flow into the cistern and purify from the quality of water that the cistern flowed into the cultivation groove to the fishpond, hold back the excrement of breeding the fish in-process and provide organic nutrition for green planting.

(3) Towards the interior intermittent type formula of cistern and let in oxygen, for whole journey logical oxygen, practice thrift the cost more, and the dissolved oxygen volume in the aquaculture water body obtains guaranteeing.

Drawings

FIG. 1 is a schematic layout of a high-density fish farming system according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a high-density fish farming system according to a first embodiment of the present invention (only one farming unit and reservoir connection structure is shown).

Detailed Description

The technical solution of the present invention is further described by the following specific examples.

Example 1:

as shown in fig. 1 and 2, the high-density fish farming system of the present embodiment includes: cistern 1, aquarium 2 and glass room 3, aquarium and glass room one-to-one constitute breeding the unit, and N breeding the unit evenly distributed along the circumference of cistern, as shown in fig. 1, this embodiment uses the value of N to be 4 to exemplify, is not limited to 4 breeding units, for example, 2, 5 or 6, all positive integers that are greater than 1 can take the value promptly, specifically do not give unnecessary details.

As shown in fig. 2, the reservoir 1 is a hollow hemispheroid structure, the top of the reservoir is a diameter surface, and the top of the reservoir can be opened or closed. The wall of the reservoir 1 has a water injection hole 10, four elevation overflow ports 11 and four low-level water inlet ports 12. Wherein, the quantity of the elevation overflow ports and the low-range water inlets is the same as that of the culture units.

The fishpond 2 is of a circular structure, the bottom of the fishpond is of a conical structure and is provided with a water inlet 21 and a water outlet 22, the water outlet 22 is located in the middle of the bottom of the fishpond, and the water inlet 21 is located at the top of the fishpond, so that water can be filled into the fishpond to form drop water injection, and the circular exchange of pond water is facilitated. In addition, the water outlet 22 is located in the middle of the bottom of the fish pond and has a function of draining sewage. The water outlet 22 is provided with a sand filtering net to prevent fish from escaping, the mesh can be determined according to the specification and size of the fish, and the larger the mesh is, the better the mesh is under the condition of ensuring that the fish does not escape.

The elevation overflow ports of the reservoir are in one-to-one correspondence with the water inlets of the fish ponds and are communicated through pipelines and have a fall, namely the elevation overflow ports of the reservoir are positioned at the upper side of the water inlets of the fish ponds.

Cultivation grooves 4 are formed in the glass house 3, and the cultivation grooves 4 can be distributed along the circumferential direction of the glass house. The cultivation tank 4 is provided with a cultivation substrate 5 for cultivating green plants, wherein the green plants include one or more of chlorophytum comosum, scindapsus aureus, ciliate desert-grass, arundina graminifolia, dictyota chinensis, elaeagnus mollis, hypericum japonicum, chrysanthemum, cress, agaric, narcissus officinalis, crownwort, rupestris, watermelongrass, snapdragon, alocasia latifolia, alocasia brevifolia, alocasia macrophylla, alopecurus macrophyllum, pink alocasia macrogolensis, aquamarine, bryozoatum, water lily, salix angustifolia, kadsura japonica, arundina, coerulea, papyriferox hybrida, paprius trifoliata, paprika, kadsura pepper, alvarum elegans, papyrum microphyllum, pennisetum gracile, and hairy weeds, and can be selected according to actual needs, and is not limited to the above green plants, but can be selected from other green plants.

The culture medium comprises the following components in parts by weight: 50 parts of fly ash, 10 parts of oil pressing leftovers, 30 parts of sawdust and 5 parts of pig manure, and fully fermenting and uniformly stirring. The culture medium of this embodiment gas permeability is good, and dissolved oxygen is big, and there is a large amount of good oxygen microorganism on the matrix surface, can decompose organic polymer such as the protein of the waste water in the fish pond into can be by the required nutrition micromolecule of green planting, purifies the circulating water simultaneously, and the water after the purification flows back to in the fish pond, realizes running water fish culture.

Specifically, the cultivation tank 4 has an inlet hole 41 and an outlet hole 42.

The water outlet 22 of the fish pond is communicated with the water inlet 41 of the cultivation tank through a pipeline and has a fall, namely the water outlet 22 of the fish pond is positioned above the water inlet 41 of the cultivation tank.

The water outlet hole 42 of the cultivation groove is communicated with the low-range water inlet 12 of the water storage tank through a pipeline and has a fall, namely, the water outlet hole 42 of the cultivation groove is positioned above the low-range water inlet 12 of the water storage tank.

Wherein, glass room 3 is equipped with the required light source of green plant photosynthesis (also can directly utilize the sunlight) as the office space in the glass room 3, and green plant photosynthesis produces oxygen to increase the oxygen content in the glass room, thereby be favorable to improving the dissolved oxygen volume of water in the cultivation groove.

Specifically, the fish farming method of the high-density fish farming system of the present embodiment includes:

(1) the impounding reservoir and the fish pond are cleaned and disinfected, and then water is injected into the water injection holes of the impounding reservoir, so that dynamic water exchange is realized among the impounding reservoir, the fish pond and the cultivation groove.

Specifically, the reservoir and the fishpond should be soaked in water for 7 days, and then disinfected by quicklime when drained to a water level of 20-50 cm; and injecting water into the water injection holes of the water storage tank after disinfection, so that dynamic water exchange among the water storage tank, the fish pond and the cultivation tank is realized.

(2) And putting the fry in a fishpond.

Specifically, the selection of fish fry is performed with high-quality fish, such as high-quality crucian, grass carp, potter catfish, megalobrama amblycephala, loach, red tuna, yellow catfish, etc.), and the selection of the variety has to meet three conditions: marketability, offspring seed availability and breeding feasibility. Taking the fingerling of the lipped fishes as an example, the average specification is 2.5 g/tail, the stocking amount is 130 tails/square meter, the fingerling specification is regular, the physique is strong, no obvious focus exists, and the swimming power is strong; the fry stocking time is half a month every year, the air temperature and the water temperature are relatively low, the fry activity is less, and the relative transportation survival rate is higher. Before fry placing, the plastic bag filled with the fry is placed in a fish pond for about half an hour to keep the water temperature inside and outside the bag consistent, then the fry is placed in a barrel, the fish body is soaked in 3-5% saline water for 10-15 minutes for sterilizing the fry, and then the fry is placed in the fish pond.

(3) Feeding and fish disease prevention.

Specifically, the ultramicro powder is thrown at noon every day, the total amount is about 1kg, and a small amount of the ultramicro powder is fed when the sunshine is sufficient after eleven months. And feeding a small amount of expanded feed with protein content of 32% when the water temperature rises to 13-15 ℃ in the early third of the next year. Feeding for 2 times every day, wherein the feeding amount is flexibly controlled according to weather, water temperature and fish feeding conditions, and the daily feeding amount is controlled to be 3-5% of the weight of the fry. In addition, in the fry culturing process, the pH of the water in the fish pond is monitored, and the pH is ensured to be 6.8-7.5.

In addition, a drug prevention reagent is adopted for preventing and treating the fish diseases, and the drug prevention reagent comprises the following components in parts by weight: 30 parts of rhubarb, 10 parts of scutellaria baicalensis, 10 parts of white paeony root, 40 parts of baking soda and 5 parts of castor oil, and the components are ground, mixed and stirred with feed for feeding, wherein the weight of the components is based on 100 kilograms of fish.

Example 2:

the high-density fish farming system of the present embodiment is different from the first embodiment in that:

the high density system of breeding fish of this embodiment on the basis of embodiment one, is equipped with rabbling mechanism in the cistern, and the oxygen-increasing machine passes through the bottom that the oxygenation pipeline extended to the cistern, and prior art can be referred to the rabbling mechanism, does not give unnecessary details here. Through the effect of stirring and aeration, the dissolved oxygen volume of water in the cistern is improved to improve the dissolved oxygen volume in follow-up cultivation groove, the pond of breeding fish, be favorable to improving the survival rate of fry and the density and the output of breeding fish.

Other structures and fish culture methods are the same as the first embodiment.

Example 3:

the aerator extends to the bottom of the cultivation tank through the pipeline, and the dissolved oxygen of the water body in the cultivation tank is further improved.

Other structures and fish culture methods are the same as the first embodiment.

Example 4:

the high-density fish farming system of this example is a combination of the high-density fish farming systems of examples 2 and 3.

The high density fish farming systems of the above examples were subjected to farming comparisons as shown in table 1.

TABLE 1 comparison of high Density Fish culture System culture data for various examples

Can know from table 1, the utility model discloses a high density system of breeding fish passes through the drop between the cultivation groove in cistern, the aquarium and the glass room, realizes running water breed, and prior art has relatively improved stocking density, survival rate and unit area output. In addition, the oxygen dissolving amount in the water body is improved, so that the stocking density, the survival rate and the yield per unit area are further improved.

The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.

Claims

1. A high-density fish farming system, comprising:

wherein N is a positive integer greater than 1.

2. A high density fish farming system according to claim 1 wherein the reservoir is provided with agitation means.

3. A high density fish farming system according to claim 1 or 2 further comprising an aerator extending through an aeration conduit to the bottom of the reservoir.

4. The high-density fish farming system of claim 1, further comprising an aerator for aerating the water in the culture tank.

5. The high density fish farming system of claim 1 wherein the top of the reservoir is open or closed.

6. The system of claim 1, wherein the glass chamber contains a light source for photosynthesis of green plants.

7. The high density fish farming system of claim 1, wherein the aquarium is a circular structure, the bottom of the aquarium is a tapered structure, and the drain port of the aquarium is located at the center of the bottom of the aquarium.

8. A high density fish farming system according to claim 7 wherein the outlet of the aquarium is fitted with a sand screen.

9. The high-density fish farming system of claim 1, wherein the cultivation grooves are arranged along the circumferential direction of the glass house.

10. A high density fish farming system according to claim 1 wherein N is 2, 4, 5 or 6.