Bacterial algal cultivation device for eel farming

By combining cultivation tanks and cultivation ponds in eel farming, and utilizing a combination of human control and natural conditions, the problem of poor environmental control in traditional cultivation methods has been solved. This has enabled efficient and stable cultivation of bacteria and algae and improved water quality, while reducing costs.

CN224350672UActive Publication Date: 2026-06-12FUJIAN FUYUAN FISHERY DEV CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUJIAN FUYUAN FISHERY DEV CO LTD
Filing Date
2025-07-11
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Traditional algae cultivation methods are carried out in open-air environments, which have low cultivation costs but poor environmental control, low quality stability, and high risks, and cannot meet the water quality purification requirements of eel farming.

Method used

The method combines cultivation tanks and cultivation ponds, using algae and fungi cultivation tanks to provide artificially controlled cultivation conditions, and combining them with natural conditions to optimize the cultivation environment through heating, oxygenation, supplemental lighting, and stirring.

Benefits of technology

It improves the efficiency of algae cultivation, improves the water quality for eel farming, reduces dependence on natural conditions, lowers risks and costs, and ensures stable cultivation quality.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224350672U_ABST
    Figure CN224350672U_ABST
Patent Text Reader

Abstract

The utility model relates to a kind of bacteria-algae cultivation devices for eel culture, including cultivation shed, bacteria-algae feed pipe leading to eel culture pond is equipped in the cultivation shed;Bacteria-algae feed pipe is connected with the feed branch pipe between bacteria-algae feed pipe respectively in cultivation shed and is equipped with algal cultivation tank, fungi cultivation tank, algal cultivation pond and fungi cultivation pond, algal cultivation tank, fungi cultivation tank, algal cultivation pond and fungi cultivation pond.The utility model bacteria-algae cultivation device for eel culture, design is reasonable, using the way of cultivation tank and cultivation pond combination, can be according to actual situation, select to use natural condition culture or artificial control cultivation condition, it is convenient and flexible to use, both ensure the cultivation efficiency of bacteria-algae, improve eel culture water quality, improve eel culture quality, reduce the dependence on natural condition, cultivation quality stability is good, risk is low, reduce input cost.
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Description

Technical Field

[0001] This utility model relates to the field of eel farming, and in particular to a bacterial and algal cultivation device for eel farming. Background Technology

[0002] In eel farming ponds, the accumulation of uneaten feed and aquatic animal excrement due to excessive feeding leads to a heavy water load, damaging the physicochemical properties of the water and ultimately causing the production of harmful substances, especially excessive ammonia nitrogen and nitrite. In severe cases, this can lead to eel poisoning and death. Therefore, it is necessary to introduce bacteria and algae (such as Bacillus, photosynthetic bacteria, diatoms, Chlorella, and Spirulina) into the water to purify it.

[0003] Traditional methods of cultivating bacteria and algae generally involve cultivating them in open-air ponds, relying mainly on natural conditions. While this method has lower cultivation costs, it offers poor control over the cultivation environment, resulting in low quality stability, high risk, and a lack of competitiveness. Utility Model Content

[0004] In view of this, the purpose of this utility model is to provide a microbial and algae cultivation device for eel farming, which adopts a combination of cultivation tanks and cultivation ponds, which not only ensures the cultivation efficiency of microbial and algae and reduces input costs, but also reduces dependence on natural conditions, and ensures stable cultivation quality and low risk.

[0005] This utility model is achieved by the following scheme: an algae and bacteria cultivation device for eel farming, including a cultivation shed, wherein an algae and bacteria supply pipe leading to an eel farming pond is provided in the cultivation shed; the cultivation shed is provided with algae cultivation tanks, fungus cultivation tanks, algae cultivation ponds and fungus cultivation ponds, and each of the algae cultivation tanks, fungus cultivation tanks, algae cultivation ponds and fungus cultivation ponds is connected to the algae and bacteria supply pipe by a supply branch pipe.

[0006] Furthermore, both the algae cultivation tank and the fungal cultivation tank include a tank body, and a number of fixed supports are fixedly connected to the inner side wall of the tank body. Several annular heating tubes are arranged vertically at intervals in the middle of the fixed supports, and the annular heating tubes are welded to the fixed supports.

[0007] Furthermore, an oxygenation pump is provided on the outer side of the tank body, and the oxygenation pump is connected to an air supply pipe that extends from the top of the tank body into the tank body.

[0008] Furthermore, the tank is equipped with a transparent protective tube that is closed at the bottom and extends from the top of the tank at the top, and an LED fill light strip is installed inside the transparent protective tube.

[0009] Furthermore, a crossbeam is provided in the middle of the upper part of the tank, and a stirring motor is provided in the middle of the crossbeam. The main shaft of the stirring motor is coaxially connected to a stirring shaft that extends into the tank, and a stirring paddle is provided on the stirring shaft.

[0010] Furthermore, a level gauge is installed on the outer side of the tank, and a temperature sensor is installed inside the tank.

[0011] Furthermore, the feed branch pipe is equipped with valves and a delivery pump.

[0012] Furthermore, the top of the fungal cultivation tank is provided with a tank cover, the tank cover has a feeding port, and the feeding port is provided with an openable and closable sealing cap.

[0013] Furthermore, the cultivation shed includes a frame and a film covering the outside of the frame, and an entrance and exit are provided at one end of the cultivation shed, with a sliding door at the entrance and exit.

[0014] Furthermore, the top of the cultivation shed is covered with a shade cloth.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention is a reasonable design for the algae and bacteria cultivation device for eel farming. It adopts a combination of cultivation tank and cultivation pond, which can be switched according to the actual situation. It can choose to use natural conditions for cultivation or artificially control the cultivation conditions. It is convenient and flexible to use, which not only ensures the cultivation efficiency of algae and bacteria, improves the water quality of eel farming, and improves the quality of eel farming, but also reduces the dependence on natural conditions, ensures stable cultivation quality, low risk, and reduces input costs.

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below through specific embodiments and related drawings. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the algae cultivation tank according to an embodiment of this utility model;

[0019] Figure 3 This is a schematic diagram of a fungal cultivation tank according to an embodiment of this utility model;

[0020] Explanation of the labels in the diagram: 100-Cultivation shed, 110-Shelf, 120-Film, 130-Shading cloth, 200-Algae and bacteria supply pipe, 210-Supply branch pipe, 211-Valve, 212-Transfer pump, 300-Algae cultivation tank, 310-Tank body, 311-Fixed support, 312-Crossbeam, 320-Annular heating pipe, 330-Aeration pump, 331-Air supply pipe, 340-Transparent protective pipe. 341-LED supplemental lighting strip, 350-stirring motor, 351-stirring shaft, 360-discharge pipe, 370-water inlet pipe, 380-level gauge, 390-temperature sensor, 400-fungus cultivation tank, 410-tank lid, 411-feeding port, 420-sealing cap, 421-U-shaped groove, 430-screw, 500-algae cultivation pond, 600-fungus cultivation pond, 700-oxygenation pump. Detailed Implementation

[0021] It should be noted that the following detailed descriptions are exemplary and intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0022] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0023] like Figures 1-3As shown, an algae and microbial cultivation device for eel farming includes a cultivation shed 100, within which is a feeding pipe 200 leading to an eel farming pond. The cultivation shed contains algae cultivation tanks 300, microbial cultivation tanks 400, algae cultivation ponds 500, and microbial cultivation ponds 600. Feeding branch pipes 210 connect each of the algae cultivation tanks 300, 400, 500, and 600 to the feeding pipe. Each feeding branch pipe extends into the algae cultivation tank 300, 400, 500, and 600 to near the bottom. This invention employs a combination of cultivation tanks and cultivation ponds. In summer or under favorable natural conditions, algae cultivation pond 500 and fungal cultivation pond 600 can be used to cultivate algae (such as diatoms, chlorella, and spirulina) and fungi (such as Bacillus and photosynthetic bacteria) respectively, making full use of natural conditions. In winter or under poor natural conditions, algae cultivation tank 300 and fungal cultivation tank 400 can be used for cultivation, providing suitable cultivation conditions for algae and bacteria through artificial control. The device can be switched according to actual needs, choosing between natural conditions or artificially controlled cultivation conditions. It is convenient and flexible, ensuring efficient cultivation of algae and bacteria, improving water quality in eel farming, enhancing eel farming quality, reducing dependence on natural conditions, ensuring stable cultivation quality, low risk, and reduced input costs.

[0024] In this embodiment, both the algae cultivation tank and the fungal cultivation tank include a tank body 310. A plurality of circumferentially distributed fixed supports 311 are fixedly connected to the inner wall of the tank body 310. A plurality of vertically spaced annular heating pipes 320 are provided in the middle of the fixed supports, and the annular heating pipes are welded to the fixed supports. The cultivation temperature can be manually controlled through the arrangement of the annular heating pipes.

[0025] In this embodiment, an oxygenation pump 330 is provided on the outer side of the tank 310, and the oxygenation pump is connected to an air supply pipe 331 that extends into the tank from the top. The oxygenation pump 330 can provide oxygen and increase the oxygen content of the culture medium.

[0026] In this embodiment, an oxygenation pump is also provided on the outer side of the algae cultivation pond 500 and the fungus cultivation pond 600, and the oxygenation pump is connected to an air supply pipe that extends into the algae cultivation pond 500 and the fungus cultivation pond 600.

[0027] In this embodiment, the tank 500 is provided with a transparent protective tube 340 that is closed at the bottom and extends from the top of the tank. An LED supplementary lighting strip 341 is provided inside the transparent protective tube. The LED supplementary lighting strip 341 provides light conditions that are conducive to the growth of bacteria and algae.

[0028] In this embodiment, a crossbeam 312 is horizontally arranged in the middle of the upper part of the tank, and a stirring motor 350 is arranged in the middle of the crossbeam. The main shaft of the stirring motor is coaxially connected to a stirring shaft 351 that extends into the tank, and a stirring paddle is arranged on the stirring shaft.

[0029] In this embodiment, a level gauge 380 is provided on the outer side of the tank, and a temperature sensor 390 is provided inside the tank.

[0030] In this embodiment, the feed branch pipe 210 is equipped with a valve 211 and a delivery pump 212.

[0031] In this embodiment, a discharge pipe 360 ​​is connected to the bottom of the tank, and a valve is provided on the discharge pipe. The discharge pipe 360 ​​is used to discharge wastewater or sewage when the tank is being cleaned.

[0032] In this embodiment, a water inlet pipe 370 is provided above the tank.

[0033] In this embodiment, the internal structure of the fungal cultivation tank and the algae cultivation tank is the same. The difference is that the top of the fungal cultivation tank is sealed with a lid to prevent direct sunlight. The top of the fungal cultivation tank 400 is provided with a lid 410, and a feeding port 411 is provided on the lid 410. The feeding port is provided with an openable and closable sealing cover 420. One side of the sealing cover is hinged to one side of the feeding port. The other side of the feeding port is provided with a screw 430 that can swing up and down. The other side of the sealing cover is provided with a U-shaped groove 421 through which the screw passes when it swings up. The free end of the screw is connected to a locking nut for locking onto the upper side of the U-shaped groove. The locking nut is fixedly connected to a handle. Loosening the locking nut and swinging the screw 430 down will open the sealing cover.

[0034] In this embodiment, the cultivation shed 100 includes a frame 110 and a film 120 covering the outside of the frame. An entrance and exit are provided at one end of the cultivation shed, and a sliding door is provided at the entrance and exit.

[0035] In this embodiment, the top of the cultivation shed is covered with a shade cloth 130. The shade cloth 130 is used selectively; it can be covered when the sunlight is too strong in summer and removed in winter or when the sunlight is suitable.

[0036] Unless otherwise stated, if any of the technical solutions disclosed in this utility model discloses a numerical range, then the disclosed numerical range is a preferred numerical range. Any person skilled in the art should understand that the preferred numerical range is merely one among many feasible numerical values ​​that has a more obvious or representative technical effect. Because there are many numerical values, it is impossible to list them all. Therefore, this utility model discloses only some numerical values ​​to illustrate the technical solutions of this utility model. Furthermore, the numerical values ​​listed above should not constitute a limitation on the scope of protection of this utility model.

[0037] If this utility model discloses or relates to mutually fixedly connected parts or structural components, then unless otherwise stated, a fixed connection can be understood as: a detachable fixed connection (e.g., using bolts or screws), or a non-detachable fixed connection (e.g., riveting, welding). Of course, mutually fixed connections can also be replaced by an integral structure (e.g., manufactured by integral molding using a casting process) (except where it is obviously impossible to use an integral molding process).

[0038] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in this utility model above include states or shapes that are similar to, close to, or approximate with them.

[0039] Any component provided by this utility model can be assembled from multiple individual components, or it can be a single component manufactured by a one-piece molding process.

[0040] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.

Claims

1. A device for cultivating bacteria and algae for eel farming, characterized in that: The system includes a cultivation shed, which is equipped with a feeding pipe for bacteria and algae leading to an eel farming pond. The cultivation shed is equipped with algae cultivation tanks, bacteria cultivation tanks, algae cultivation ponds, and bacteria cultivation ponds. Each of the algae cultivation tanks, bacteria cultivation tanks, algae cultivation ponds, and bacteria cultivation ponds is connected to a feeding branch pipe via a feeding branch pipe.

2. The eel farming algae cultivation device according to claim 1, characterized in that: Both the algae cultivation tank and the fungal cultivation tank include a tank body. Several fixed supports are fixedly connected to the inner side wall of the tank body and are evenly distributed along the circumference. Several annular heating tubes are arranged at intervals along the vertical direction in the middle of the fixed supports and are welded to the fixed supports.

3. The eel farming algae cultivation device according to claim 2, characterized in that: An oxygenation pump is installed on the outside of the tank body, and the oxygenation pump is connected to an air supply pipe that extends from the top of the tank body into the tank body.

4. The eel farming algae cultivation device according to claim 2, characterized in that: The tank is equipped with a transparent protective tube that is closed at the bottom and extends from the top of the tank at the top. An LED fill light strip is installed inside the transparent protective tube.

5. The eel farming algae cultivation device according to claim 2, characterized in that: A crossbeam is installed horizontally in the middle of the upper part of the tank. A stirring motor is installed in the middle of the crossbeam. The main shaft of the stirring motor is coaxially connected to a stirring shaft that extends into the tank. A stirring paddle is installed on the stirring shaft.

6. The eel farming algae cultivation device according to claim 2, characterized in that: A level gauge is installed on the outside of the tank, and a temperature sensor is installed inside the tank.

7. The eel farming algae cultivation device according to claim 1, characterized in that: The feed branch pipe is equipped with valves and a delivery pump.

8. The eel farming algae cultivation device according to claim 1, characterized in that: The top of the fungal cultivation tank is equipped with a tank cover, and the tank cover has a feeding port with a closable sealing cap.

9. The eel farming algae cultivation device according to claim 1, characterized in that: The cultivation shed includes a frame and a film covering the outside of the frame. An entrance and exit are provided at one end of the cultivation shed, and a sliding door is provided at the entrance and exit.

10. The eel farming algae cultivation device according to claim 9, characterized in that: The top of the cultivation shed is covered with a shade cloth.