Freshwater fish culture device

Abstract

The invention discloses a freshwater fish breeding device, and relates to the technical field of freshwater fish breeding, the freshwater fish breeding device comprises a breeding box, the breeding box is a closed structure, the breeding box is provided with a feeding assembly, a pressurizing assembly and a circulating pipeline, and the breeding box is connected with a planting area through the circulating pipeline; the feeding assembly is used for feeding materials into the breeding box; the pressurizing assembly is used for adjusting the pressure in the breeding box. By means of the arrangement, the oxygen content in aquaculture water can be increased, oxygen loss is avoided, the aquaculture amount of freshwater fishes is increased, the fishes are kept healthy, and diseases are reduced; the breeding area and the planting area form circulation, and breeding water is fully utilized.

Description

Technical Field

[0001] The present invention relates to the technical field of freshwater fish farming, and particularly to a freshwater fish farming device. Background Art

[0002] Modern industrial aquaculture usually relies on a closed - facility structure for farming, and its core includes high - density farming, fully - enclosed circulating water treatment, and ecological regulation technology integration. This mode usually releases fish of a single variety with similar specifications in the same farming container, and conducts standardized feeding and high - density intensive farming. During the metabolic activities of fish, oxygen is continuously consumed, while metabolic wastes such as carbon dioxide and ammonia nitrogen are produced. Together with the oxidation and decomposition of excess bait in the water body, it leads to an increasing trend of eutrophication of the farming water body. Therefore, it is necessary to continuously oxygenate the container and continuously circulate and purify the farming water to maintain a high - quality water environment.

[0003] In the past, the industrial farming method generally has been able to timely treat the wastewater from fish farming to avoid excessive discharge and environmental pollution. The wastewater from fish farming (including fish manure and ammonia nitrogen) contains fertilizers required for plant growth. By combining the fish - farming process and the hydroponic planting process and collecting and utilizing the wastewater, a closed - loop water resource system can be formed.

[0004] By constructing an ecological cycle system that combines farming and planting, improving the production efficiency of farming and planting, promoting the rational use of resources, and realizing an ecological and organic modern agricultural model is an important current development direction. This production system is usually an open - type system, generally using air aeration, and the dissolved oxygen content can generally reach 5 - 8mg / L. For high - density farming, the dissolved oxygen content does not reach the optimal state. In recent years, research has shown that if pure oxygen aeration is used, the growth of fish in high - density farming can be greatly improved, and the growth rate and quality can be significantly increased. However, the cost of using pure oxygen aeration is relatively high. If an open container is still used, high - purity oxygen is very easy to dissipate from the water surface into the atmosphere, resulting in a great waste of oxygen.

[0005] On the other hand, the carbon dioxide released by fish has further utilization value. In the production system of industrial fish - vegetable circulation, carbon dioxide is the gas fertilizer required for the photosynthesis of hydroponic vegetables. In order to enable plants to maintain a good growth rate, it is necessary to maintain a sufficient carbon dioxide concentration in the air in the hydroponic plant unit.

[0006] Therefore, the present invention proposes a freshwater fish farming device that can increase the oxygen content in water, avoid oxygen loss, and form a cycle between the farming area and the planting area to make full use of the farming water. Summary of the Invention

[0007] The purpose of the present invention is to solve the defects existing in the prior art, and to propose a freshwater fish farming device.

[0008] To achieve the above object, the present invention adopts the following technical solutions:

[0009] A freshwater fish farming device includes a farming box, the farming box is a closed structure, a feeding component, a pressurizing component and a circulation pipeline are arranged on the farming box, and the farming box is connected to a planting area through the circulation pipeline; the feeding component is used for feeding into the farming box; the pressurizing component is used for adjusting the pressure inside the farming box.

[0010] Furthermore, a pressure detection component is arranged inside the farming box, and there are two groups of the pressure detection components, which are respectively arranged inside and outside the water layer of the farming box.

[0011] Furthermore, the circulation pipeline includes a liquid inlet pipe and a liquid outlet pipe. One end of the liquid inlet pipe is communicated with the farming box through a liquid inlet, and the other end is arranged at the bottom of the planting area; a water storage bin is arranged on the liquid inlet pipe, and a filtering device is arranged inside the water storage bin; the liquid outlet pipe is communicated with the farming box through a liquid outlet, and the liquid outlet is arranged at the bottom of the farming box.

[0012] Furthermore, electric control valves are arranged at both the liquid inlet and the liquid outlet; a pump body is arranged inside the water storage bin, and the pump body is used for pumping the water inside the water storage bin into the farming box.

[0013] Furthermore, the feeding component includes a storage bin, the storage bin is fixedly connected to the top of the farming box, and the discharge pipe of the storage bin extends into the farming box; a reciprocating air cylinder is arranged on the top of the storage bin, a control rod is arranged at the output end of the reciprocating air cylinder, an upper sealing plug and a lower sealing plug are fixedly connected to the control rod, there is a gap between the upper sealing plug and the lower sealing plug, and the gap is greater than the length of the discharge pipe.

[0014] Furthermore, the storage bin includes a storage area, a blanking area and a discharge pipe arranged from top to bottom; the blanking area is in a conical structure, and the discharge pipe is located at the tip of the conical structure of the blanking area.

[0015] Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: Therefore, the present invention proposes a freshwater fish farming device that can increase the dissolved oxygen content in the water body, avoid oxygen loss, so as to increase the farming quantity of freshwater fish, reduce the incidence rate of fish diseases; and form a cycle between the farming area and the planting area to make full use of the farming water. Description of the drawings

[0017] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

[0018] Figure 1It is a schematic diagram of the overall structure of a freshwater fish farming device.

[0019] Figure 2 , 3 It is a schematic diagram of the structure of the breeding box.

[0020] Figure 4 It is a schematic diagram of the internal structure of the breeding box.

[0021] In the figure: 1, breeding box; 2, pressurizing component; 3, water storage bin; 4, liquid outlet pipe; 5, planting area; 6, feeding component; 7, pressure detection component; 11, intake pipeline; 12, liquid inlet; 13, liquid outlet; 61, reciprocating cylinder; 62, control rod; 63, upper sealing plug; 64, lower sealing plug. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0023] In this application, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection", "fixation", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

[0024] In this application, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include that the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "above", and "on the top" of the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "below", and "under the bottom" of the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0025] Referring to Figures 1-4 , a freshwater fish farming device includes a breeding box 1. The breeding box 1 is a closed structure. A feeding component 6, a pressurizing component 2, and a circulation pipeline 4 are arranged on the breeding box 1. The breeding box 1 is connected to the planting area 5 through the circulation pipeline; the feeding component 6 is used to feed the breeding box 1; the pressurizing component 2 is used to adjust the pressure in the breeding box 1.

[0026] During use, a closed aquaculture tank 1 is connected to an external planting area 5 using a circulating pipeline. Then, fry and aquaculture water are filled inside the closed aquaculture tank 1. During the aquaculture process, feed needs to be regularly and quantitatively fed into the aquaculture tank 1 through a feeding component 6, and the feeding amount and feeding frequency of the feeding component 6 can be controlled by a controller; a pressurizing component 2 can inject high-pressure air into the aquaculture tank 1 through an air inlet pipeline 11 to ensure timely pressure compensation after the wastewater at the bottom of the aquaculture tank 1 is discharged and to ensure the oxygen content in the aquaculture tank 1; the wastewater in the aquaculture tank 1 is discharged into the planting area 5 through a pipeline. The carbon dioxide contained in the wastewater is an essential gas fertilizer for the photosynthesis of hydroponic vegetables, and the fish manure and ammonia nitrogen contained in the wastewater contain fertilizers required for plant growth and can supply the growth and development of plants. After the pressurizing component 2 injects high-pressure air into the aquaculture tank 1 through the air inlet pipeline 11, the oxygen content in the water in the aquaculture tank can be increased, so as to increase the aquaculture amount of freshwater fish, help the fish stay healthy, and reduce the occurrence of diseases.

[0027] In other preferred embodiments, a pressure detection component 7 is provided inside the aquaculture tank 1. There are two groups of pressure detection components 7, which are respectively arranged inside and outside the water layer of the aquaculture tank 1. Through the provided pressure monitoring component 7, the state inside the aquaculture tank 1 can be monitored in real time to accurately regulate the aquaculture environment inside the aquaculture tank 1.

[0028] In other preferred embodiments, the circulating pipeline includes a liquid inlet pipe and a liquid outlet pipe 4. One end of the liquid inlet pipe is connected to the aquaculture tank 1 through a liquid inlet 12, and the other end is arranged at the bottom of the planting area 5; a water storage bin 3 is arranged on the liquid inlet pipe, and a filtering device is arranged inside the water storage bin 3; the liquid outlet pipe 4 is connected to the aquaculture tank 1 through a liquid outlet 13, and the liquid outlet 13 is arranged at the bottom of the aquaculture tank 1. Among them, the liquid outlet pipe 4 extends to the planting area 5 and is used as an irrigation pipe, which can be directly placed on the soil surface of the planting area. The end of the liquid inlet pipe is located in the collection layer below the planting area 5. A water drainage layer is arranged at the bottom of the planting area 5, and a collection area is arranged below the water drainage layer to collect the water seeping through the bottom of the planting area 5. The water enters the filtering device for impurity removal and filtration, and then is stored in the water storage bin 3. When the filtered water is not enough to meet the water replenishment requirement of the aquaculture tank 1, the operator can inject supplementary water into the water storage bin 3.

[0029] Specifically, electric control valves are arranged at both the liquid inlet 12 and the liquid outlet 13; a pump body is arranged inside the water storage bin 3, and the pump body is used to pump the water in the water storage bin 3 into the aquaculture tank 1. Through the provided electric control valves, the opening states of the liquid inlet 12 and the liquid outlet 13 can be controlled to enable the water in the aquaculture tank 1 to form an effective circulation.

[0030] In other preferred embodiments, the feeding assembly 6 includes a storage tank fixedly connected to the top of the breeding tank 1, and the discharge pipe of the storage tank extends into the breeding tank 1; a reciprocating cylinder 61 is provided at the top of the storage tank, a control rod 62 is provided at the output end of the reciprocating cylinder 61, an upper sealing plug 63 and a lower sealing plug 64 are fixedly connected to the control rod 62, there is a gap between the upper sealing plug 63 and the lower sealing plug 64, and the gap is greater than the length of the discharge pipe.

[0031] By providing the two sealing plugs, it can ensure that the discharge pipe always remains in a sealed state, and the pressure leakage in the breeding tank 1 can be avoided. The gap between the two sealing plugs serves as a space for accommodating feed. After the upper sealing plug 63 moves above the discharge pipe, the feed falls into the accommodating space under the action of gravity. At this time, the lower sealing plug is in the discharge pipe. After the lower sealing plug 64 moves below the discharge pipe, the feed falls from the accommodating space into the breeding tank 1 under the action of gravity. At this time, the upper sealing plug is in the discharge pipe.

[0032] Among them, the storage tank includes a storage area, a blanking area and a discharge pipe arranged from top to bottom; the blanking area is in a conical structure, and the discharge pipe is located at the tip of the conical structure of the blanking area. Through the setting of this structure, it is convenient for the feed to smoothly enter the discharge pipe.

[0033] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A freshwater fish farming device, characterized in that, It includes a cultivation tank. The cultivation tank has a closed structure. A feeding component, a pressurization component and a circulation pipeline are provided on the cultivation tank. The cultivation tank is connected to a planting area through the circulation pipeline. The feeding component is used for feeding into the cultivation tank. The pressurization component is used for adjusting the pressure inside the cultivation tank.

2. The freshwater fish farming device according to claim 1, characterized in that, A pressure detection component is arranged inside the cultivation tank. There are two groups of the pressure detection components, which are respectively arranged inside and outside the water layer of the cultivation tank.

3. The freshwater fish farming device according to claim 1, characterized in that, The circulation pipeline includes a liquid inlet pipe and a liquid outlet pipe. One end of the liquid inlet pipe is communicated with the cultivation tank through a liquid inlet, and the other end is arranged at the bottom of the planting area. A water storage bin is arranged on the liquid inlet pipe, and a filtering device is arranged inside the water storage bin. The liquid outlet pipe is communicated with the cultivation tank through a liquid outlet, and the liquid outlet is arranged at the bottom of the cultivation tank.

4. The freshwater fish farming device according to claim 3, characterized in that, Electric control valves are arranged at both the liquid inlet and the liquid outlet. A pump body is arranged inside the water storage bin, and the pump body is used for pumping the water inside the water storage bin into the cultivation tank.

5. The freshwater fish farming device according to claim 1, characterized in that, The feeding component includes a storage tank. The storage tank is fixedly connected to the top of the cultivation tank. The discharge pipe of the storage tank extends into the cultivation tank. A reciprocating cylinder is arranged on the top of the storage tank. A control rod is arranged at the output end of the reciprocating cylinder. An upper sealing plug and a lower sealing plug are fixedly connected to the control rod. There is a gap between the upper sealing plug and the lower sealing plug, and the gap is larger than the length of the discharge pipe.

6. The freshwater fish farming device according to claim 5, wherein, The storage tank includes a storage area, a blanking area and a discharge pipe arranged from top to bottom. The blanking area has a conical structure, and the discharge pipe is located at the tip of the conical structure of the blanking area.

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