Culture equipment for producing unicellular algae

By designing an annular agitating plate driven by a hollow rotating rod and gear system, combined with a gas supplement system of the trachea and cross pipe, the problem of uneven distribution of oxygen and carbon dioxide in large-capacity culture containers is solved, and the uniform growth and efficient cultivation of algae are achieved.

CN222877926UActive Publication Date: 2025-05-16RONGCHENG BAIHONG MARINE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421704272.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-05-16
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

It is difficult for existing single-cell algae culture equipment to achieve uniform stirring in large-capacity culture containers, resulting in uneven distribution of oxygen and carbon dioxide, affecting the uniform growth and cultivation effect of algae.

Method used

A single-cell algae production culture equipment was designed, and the annular agitating plate was driven by a hollow rotating rod and gear system for stirring, and the uniform replenishment of oxygen and carbon dioxide was achieved by connecting the air pipe and the cross pipe.

Benefits of technology

The uniform stirring of the culture medium and the uniform distribution of gas are achieved, the uniform growth of algae is promoted, the cultivation effect is improved, and the time and labor of artificial stirring are reduced.

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Abstract

The utility model relates to the technical field of unicellular algae production and culture, and discloses a culture device for unicellular algae production, which comprises a transparent plastic culture container, a support plate is attached to the upper surface of the plastic culture container, and a hollow rotating rod is rotatably connected in the middle of the support plate. A second gear is fixedly connected to the outer surface of the upper end of the hollow rotating rod, and the lower surface of the second gear is in rolling connection with the upper surface of the supporting plate through a ball. The culture equipment for unicellular algae production can be used in cooperation with stirring and aeration, is used for supplementing consumption of oxygen and carbon dioxide due to photosynthesis of algae cells, can prevent bacterial membranes from being generated on the water surface, can enable the algae cells to be evenly distributed, promotes the algae cells located at the bottom to float upwards, enables the algae cells to evenly receive illumination, and improves the production efficiency of the unicellular algae. Meanwhile, when a nutrient solution is added into the plastic culture container, uniform distribution of the nutrient solution can be achieved through stirring.
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Description

Technical Field

[0001] The utility model relates to the technical field of single-cell algae production and cultivation, in particular to a cultivation device for single-cell algae production. Background Art

[0002] In the field of aquaculture, it is necessary to cultivate and propagate single-cell algae such as Chrysophyll, Chlorella, Platymonas, and Pavlova. As the starting feed and intermediate cultivation feed for farmed aquatic products such as shellfish, the culture conditions of single-cell algae need to be guaranteed during the cultivation process. It is particularly important to provide comprehensive and reasonable nutritional conditions and ecological conditions.

[0003] However, the following problems still exist in actual use:

[0004] In the existing cultivation process, a smaller-capacity culture container can be stirred by manually shaking its interior, but a larger-capacity culture container cannot be stirred by manually shaking. Most of them use a plurality of air stones arranged in the cultivation equipment to supplement the delivery of oxygen and carbon dioxide, or use a stirring rake for manual mixing, which can easily cause the oxygen and carbon dioxide content in some areas to be too high and the oxygen and carbon dioxide content in other areas to be too low. In addition, manual stirring is time-consuming and labor-intensive, and is inefficient due to the influence of time and frequency, thereby affecting the uniform growth of algae and the overall cultivation effect. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a cultivation device for the production of unicellular algae, which has the advantages of being able to effectively and fully stir and ensure sufficient mixing of oxygen and carbon dioxide, thereby solving the problems raised in the background technology.

[0006] The utility model provides the following technical scheme: a culture device for producing unicellular algae, comprising: a plastic culture container, a support plate attached to the upper surface of the plastic culture container, a hollow rotating rod rotatably connected to the middle part of the support plate, a gear 2 fixedly connected to the outer surface of the upper end of the hollow rotating rod, a lower surface of the gear 2 and the upper surface of the support plate are connected by balls, a gear 1 is connected to the upper surface of the support plate, the gear 1 is meshed with the gear 2, four groups of stirring plates are fixedly connected to the lower side of the outer surface of the hollow rotating rod, a connecting air pipe is inserted into the interior of the hollow rotating rod, and the lower end of the connecting air pipe is attached to the inner bottom of the plastic culture container.

[0007] Preferably, a cross tube is fixedly connected to the outer surface of the lower end of the connecting air pipe, and a plurality of groups of air outlet grooves are opened on the upper surface of the cross tube.

[0008] Preferably, an L-shaped bearing plate is fixedly connected to the upper surface of the support plate, a motor is installed on the inner side of the L-shaped bearing plate, and an output shaft of the motor is fixedly connected to the upper surface of gear one.

[0009] Preferably, four groups of stirring plates are provided, and the four groups of stirring plates are arranged in a ring shape.

[0010] Preferably, both sides of the plastic culture container are fixedly connected with side connection blocks, the side connection blocks are provided with positioning grooves, and the lower surfaces of both ends of the support plate are fixedly connected with positioning rods, which are plugged into the inside of the side connection blocks.

[0011] Preferably, the upper end of the connecting air pipe is connected to an external gas inflation device.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. This kind of cultivation equipment for single-cell algae production, when stirring the inside of the plastic culture container, the motor drives gear one to rotate, and the hollow rotating rod is rotatably connected to the support plate, and the outer surface of the hollow rotating rod is fixedly connected to gear two, and the lower surface of gear two is rollingly connected to the upper surface of the support plate, and gear one is meshed with gear two, so that gear two rotates slowly synchronously, prompting the hollow rotating rod to rotate synchronously, and the stirring plate distributed in an annular shape on the outer surface of the hollow rotating rod stirs the water inside the plastic culture container, thereby maintaining the uniformity of the culture liquid inside the plastic culture container, preventing bacterial deposition and uneven gas distribution, and at the same time, because the hollow rotating rod is in a hollow state, the connecting air pipe can be inserted into the interior of the hollow rotating rod, and the hollow The cross tube connected to the bottom of the rotating rod is fitted on the lower surface of the inside of the plastic culture container. Carbon dioxide or oxygen is introduced into the inside of the connected air pipe and discharged into the water body inside the plastic culture container through the air outlet groove opened on the cross tube. At the same time, the above stirring makes the carbon dioxide or oxygen evenly distributed in the water body inside the plastic culture container. The arrangement of this structure can be used in combination with stirring and inflation to supplement the consumption of oxygen and carbon dioxide due to photosynthesis of algae cells, and can prevent the formation of bacterial film on the water surface, so that the algae cells can be evenly distributed, and the algae cells precipitated at the bottom can be floated up, and the algae cells can be evenly exposed to light. At the same time, when nutrient solution is added to the inside of the plastic culture container, the nutrient solution can also be evenly distributed by stirring.

[0014] 2. This type of cultivation equipment for the production of unicellular algae is provided with a support plate, a positioning rod and a side connecting block. Since the stirring structure and the inflation structure are arranged on the support plate, and both sides of the support plate are fixedly connected with the positioning rod, and both sides of the plastic culture container are fixedly connected with the side connecting blocks, and at the same time, a positioning groove is opened on the side connecting block, and the positioning rod is inserted into the inside of the positioning groove, the support plate can be installed on the plastic culture container for use, and it is also convenient to disassemble the support plate, so that it can be used in combination without hindering the normal cultivation of algae. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0016] Figure 2 This is a schematic diagram of the internal structure of the plastic culture container of the utility model;

[0017] Figure 3 It is a schematic diagram of the connection structure of the support plate and the side connection block of the utility model.

[0018] In the figure: 1. plastic culture container; 2. support plate; 3. L-shaped load-bearing plate; 4. motor; 5. hollow rotating rod; 6. connecting air pipe; 7. gear one; 8. gear two; 9. stirring plate; 10. cross tube; 11. air outlet groove; 12. side connecting block; 13. positioning rod; 14. positioning groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 and Figure 2A culture device for producing single-cell algae comprises: a plastic culture container 1, a support plate 2 is attached to the upper surface of the plastic culture container 1, a hollow rotating rod 5 is rotatably connected to the middle part of the support plate 2, a gear 2 8 is fixedly connected to the outer surface of the upper end of the hollow rotating rod 5, a lower surface of the gear 2 8 is connected to the upper surface of the support plate 2 by a ball rolling, a gear 1 7 is connected to the upper surface of the support plate 2, the gear 1 7 is meshed with the gear 2 8, four groups of stirring plates 9 are fixedly connected to the lower side of the outer surface of the hollow rotating rod 5, a connecting air pipe 6 is inserted into the interior of the hollow rotating rod 5, and a connecting air pipe 6 is connected to the hollow rotating rod 5. The lower end of the air tube 6 is fitted with the inner bottom of the plastic culture container 1, and the outer surface of the lower end of the air tube 6 is fixedly connected with a cross tube 10, and the upper surface of the cross tube 10 is provided with a plurality of gas outlet grooves 11. The upper surface of the support plate 2 is fixedly connected with an L-shaped bearing plate 3, and the inner side of the L-shaped bearing plate 3 is installed with a motor 4. The output shaft of the motor 4 is fixedly connected with the upper surface of the gear 7. The upper end of the air tube 6 is connected to an external gas inflation device. When the inside of the plastic culture container 1 is stirred, the gear 7 is driven to rotate by the operation of the motor 4, and the hollow rotating rod 5 is connected to the support plate. 2 is rotatably connected, the outer surface of the hollow rotating rod 5 is fixedly connected to the gear 2 8, the lower surface of the gear 2 8 is rollingly connected with the upper surface of the support plate 2, and the gear 1 7 is meshed with the gear 2 8, so that the gear 2 8 rotates slowly synchronously, prompting the hollow rotating rod 5 to rotate synchronously, and the stirring plate 9 distributed in an annular shape on the outer surface of the hollow rotating rod 5 stirs the water inside the plastic culture container 1, thereby maintaining the uniformity of the culture liquid inside the plastic culture container 1, preventing bacterial deposition and uneven gas distribution, and at the same time, because the hollow rotating rod 5 is in a hollow state, the connection can be The air connecting pipe 6 is inserted into the interior of the hollow rotating rod 5, and the cross tube 10 connected to the bottom of the hollow rotating rod 5 is fitted on the lower surface of the inner part of the plastic culture container 1. Carbon dioxide or oxygen is introduced into the interior of the connecting air pipe 6 and discharged into the water body inside the plastic culture container 1 through the air outlet groove 11 opened on the cross tube 10. At the same time, the above-mentioned stirring makes the carbon dioxide or oxygen evenly distributed in the water body inside the plastic culture container 1. The plastic culture container 1 can also be specifically any transparent material such as PE or polyethylene, which can not only ensure light transmittance but also expand the application scenario.

[0021] See also Figure 1 and Figure 3, both sides of the plastic culture container 1 are fixedly connected with side connecting blocks 12, and positioning grooves 14 are provided on the side connecting blocks 12. The lower surfaces of both ends of the support plate 2 are fixedly connected with positioning rods 13, and the positioning rods 13 are plugged into the inside of the side connecting blocks 12. Since the stirring structure and the inflation structure are arranged on the support plate 2, and the positioning rods 13 are fixedly connected on both sides of the support plate 2, and the side connecting blocks 12 are fixedly connected on both sides of the plastic culture container 1, and positioning grooves 14 are provided on the side connecting blocks 12, the positioning rods 13 are plugged into the inside of the positioning grooves 14, and the support plate 2 can be installed on the plastic culture container 1 for use, and it is also convenient to disassemble the support plate 2, so that it can be used in combination.

[0022] See also Figure 2 There are four groups of stirring plates 9, and the four groups of stirring plates 9 are arranged in a ring shape.

[0023] Working principle: when in use, first place the connecting air pipe 6 in the middle of the plastic culture container 1, and then place the support plate 2 on the plastic culture container 1. Since the hollow rotating rod 5 is hollow, the connecting air pipe 6 is inserted into the inside of the hollow rotating rod 5. At the same time, the positioning rods 13 connected on both sides of the support plate 2 are inserted into the positioning grooves 14 opened on the side connecting blocks 12 connected on both sides of the plastic culture container 1, thereby completing the installation of the entire device.

[0024] When stirring the inside of the plastic culture container 1, the motor 4 drives the gear 1 7 to rotate, and the hollow rotating rod 5 is rotatably connected to the support plate 2. The outer surface of the hollow rotating rod 5 is fixedly connected to the gear 2 8, and the lower surface of the gear 2 8 is rollingly connected to the upper surface of the support plate 2, and the gear 1 7 is meshed with the gear 2 8, so that the gear 2 8 rotates slowly synchronously, prompting the hollow rotating rod 5 to rotate synchronously, and the stirring plate 9 distributed in an annular shape on the outer surface of the hollow rotating rod 5 stirs the water inside the plastic culture container 1, thereby keeping the inside of the plastic culture container 1 The uniformity of the culture liquid in the interior is improved to prevent bacterial deposition and uneven gas distribution. At the same time, since the hollow rotating rod 5 is in a hollow state, the connecting air pipe 6 can be inserted into the interior of the hollow rotating rod 5, and the cross tube 10 connected to the bottom of the hollow rotating rod 5 is attached to the lower surface of the interior of the plastic culture container 1. Carbon dioxide or oxygen is introduced into the interior of the connecting air pipe 6 and then discharged into the water body inside the plastic culture container 1 through the gas outlet groove 11 provided on the cross tube 10. At the same time, the above-mentioned stirring makes the carbon dioxide or oxygen evenly distributed in the water body inside the plastic culture container 1.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cultivation device for producing unicellular algae, characterized in that: include: A plastic culture container (1), wherein a support plate (2) is attached to the upper surface of the plastic culture container (1), a hollow rotating rod (5) is rotatably connected to the middle of the support plate (2), a gear 2 (8) is fixedly connected to the outer surface of the upper end of the hollow rotating rod (5), the lower surface of the gear 2 (8) is rollingly connected to the upper surface of the support plate (2) via a ball bearing, a gear 1 (7) is connected to the upper surface of the support plate (2), the gear 1 (7) is meshingly connected to the gear 2 (8), four groups of stirring plates (9) are fixedly connected to the lower side of the outer surface of the hollow rotating rod (5), a connecting air pipe (6) is inserted into the interior of the hollow rotating rod (5), and the lower end of the connecting air pipe (6) is attached to the inner bottom of the plastic culture container (1).

2. The culturing device for producing single-cell algae according to claim 1, characterized in that: A cross tube (10) is fixedly connected to the outer surface of the lower end of the connecting air pipe (6), and a plurality of groups of air outlet grooves (11) are provided on the upper surface of the cross tube (10).

3. The culturing device for producing single-cell algae according to claim 1, characterized in that: An L-shaped bearing plate (3) is fixedly connected to the upper surface of the support plate (2), a motor (4) is installed inside the L-shaped bearing plate (3), and an output shaft of the motor (4) is fixedly connected to the upper surface of gear one (7).

4. The culturing device for producing single-cell algae according to claim 1, characterized in that: The stirring plates (9) are provided in four groups, and the four groups of stirring plates (9) are arranged in a ring shape.

5. The culturing device for producing single-cell algae according to claim 1, characterized in that: Both sides of the plastic culture container (1) are fixedly connected with side connection blocks (12), and positioning grooves (14) are provided on the side connection blocks (12). The lower surfaces of both ends of the support plate (2) are fixedly connected with positioning rods (13), and the positioning rods (13) are plugged into the inside of the side connection blocks (12).

6. The culturing device for producing single-cell algae according to claim 1, characterized in that: The upper end of the connecting air pipe (6) is connected to an external gas inflation device.