Chlorella cultivation device with aeration function

Abstract

The chlorella cultivation device with the aeration function comprises a cultivation barrel and an aeration device, the cultivation barrel comprises a barrel body and a barrel cover, and the barrel cover is detachably connected to an opening of the barrel body; the aeration device comprises an aeration disc and an air inlet pipe, the aeration disc is detachably connected to the interior of the barrel body, one end of the air inlet pipe extends to the outer side of the cultivation barrel and is used for being externally connected with an air supply device, and the other end of the air inlet pipe is communicated with the aeration disc. After the air supply device is started, air is provided for the aeration disc through the air inlet pipe, and uniform and dense bubbles are formed, so that the oxygen content of a culture solution is increased, oxygen distribution is more uniform, the culture environment is improved, the oxygen amount can be increased or decreased according to the requirement of the chlorella culture process, and growth and reproduction of the chlorella are facilitated. In addition, as the aeration disc is detachable, the aeration disc can be detached and cleaned after being used for a period of time, and chlorella attachment and infectious microbe pollution can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of algae cultivation, in particular to a chlorella cultivation device with an aeration function. Background Art

[0002] In 2022, the total output of eel farming in China was 281,730 tons, of which Fujian Province produced about 122,077 tons of eel farming, accounting for about 43.3%, most of which was produced by factory farming. In the process of intensive eel farming, a large amount of concentrated feeding and the remaining bait and excrement produced by aquatic animals will cause excessive ammonia and nitrogen in the water, causing eutrophication of the water, leading to fish deaths and water quality deterioration, which will put pressure on the ecological environment of the water and affect the sustainable development of the aquaculture industry.

[0003] Putting Chlorella, Scenedesmus, photosynthetic bacteria and lactic acid bacteria into the eel breeding pond to build a bacteria-algae-eel symbiotic system can effectively remove nitrogen and phosphorus in the eel breeding process, reduce the total nitrogen and total phosphorus content in the tail water discharge, and reduce environmental pollution. The existing Chlorella cultivation devices in eel farms in Fujian Province are relatively simple, and most of them use simple aeration devices. The oxygen content at the bottom of the cultivation device is extremely low, and the oxygen distribution is uneven, which affects the development of Chlorella. In addition, the existing Chlorella cultivation devices in eel farms still have the following problems:

[0004] (1) Most of them are placed outdoors or in large incubators or sunrooms, relying on external light sources for lighting. This is costly, easily affected by the weather, and the light intensity is unstable, and they are easily contaminated by bacteria on rainy days. (2) There is no insulation device, and when the temperature is low in winter, the growth rate of Chlorella slows down or even stops growing. (3) There is no stirring device, and the Chlorella is unevenly distributed and easily sinks to the bottom, and it cannot evenly obtain light and oxygen.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] The technical problem to be solved by the utility model is: the utility model provides a chlorella cultivation device with an aeration function, which improves the oxygen supply efficiency and is beneficial to the growth of algae.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] The utility model provides a chlorella cultivation device with an aeration function, comprising a cultivation barrel and an aeration device, wherein the cultivation barrel comprises a barrel body and a barrel cover, and the barrel cover is detachably connected to an opening of the barrel body;

[0009] The aeration device includes an aeration plate and an air inlet pipe. The aeration plate is detachably connected to the inside of the barrel body. One end of the air inlet pipe extends to the outside of the cultivation barrel for connecting to an external air supply device, and the other end is connected to the aeration plate.

[0010] The beneficial effects of the utility model are as follows: the utility model provides a chlorella cultivation device with an aeration function, which provides air to the aeration plate through the air inlet pipe after starting the air supply device and forms uniform and dense bubbles, so that the oxygen content of the culture liquid is increased, the oxygen distribution is more uniform, the cultivation environment is improved, and the amount of oxygen can be increased or decreased according to the needs of the chlorella cultivation process, which is conducive to the growth and reproduction of chlorella. In addition, since the aeration plate is detachable, it can be removed and cleaned after a period of use, which can avoid the attachment of chlorella and contamination by miscellaneous bacteria.

[0011] Optionally, one end of the air inlet pipe extends outside the side wall of the barrel body.

[0012] Optionally, a stirring device is further included, the stirring device is detachably connected to the barrel cover, the stirring device includes a stirring motor, a central shaft and a stirring paddle, the stirring motor is connected to the center of the stirring paddle through the central shaft;

[0013] The stirring motor is arranged on the outer side of the barrel cover, the central axis passes through the center of the barrel cover, and the stirring paddle is located inside the barrel body.

[0014] According to the above description, the utility model drives the stirring paddle to rotate through the central axis of the stirring motor, so as to fully stir the Chlorella, which can make the Chlorella mixed more evenly and avoid sinking to the bottom; at the same time, it also further ensures that the Chlorella can be fully and evenly aerated.

[0015] Optionally, the central shaft is a hollow shaft with a through hole formed inside, and one end of the air intake pipe extends to the outside of the barrel cover through the through hole.

[0016] According to the above description, the utility model provides an air source to the aeration disk by arranging an air inlet pipe in the central axis through hole, which can provide a good oxygen environment for Chlorella on the one hand; on the other hand, it can prevent the air inlet pipe from being disturbed and entangled due to stirring, thereby improving the air supply efficiency.

[0017] Optionally, it also includes an internal light source lighting device, which is arranged inside the barrel body, and the top of the internal light source lighting device is detachably connected to the barrel cover. The internal light source lighting device includes a lamp holder, an LED light strip and a lamp tube, and a circular ring is arranged inside the lamp tube. The lamp holder is fixedly installed in the lamp tube through the circular ring, and the LED light strips are arranged in multiple groups on the outer wall of the lamp holder.

[0018] According to the above description, the utility model ensures that the interior of the Chlorella cultivation device has sufficient and evenly distributed light through the built-in setting of the internal light source lighting device, and improves the utilization rate of light, which is beneficial to the growth of Chlorella; at the same time, because the internal light source lighting device is detachable, it can be removed and cleaned after a period of use, which can avoid the attachment of Chlorella and contamination by bacteria. The internal light source lighting device of the utility model is more energy-efficient than the light tubes and bulbs in the sun room under the condition of providing the same brightness by fixing a lamp holder wrapped with an LED light strip in the lamp tube and using the LED light strip for lighting; and the number of lamp beads can be adaptively increased or decreased according to different lighting conditions, and then the light intensity and time can be adjusted by electronic control equipment, so that the light intensity is more controllable, which can better provide a suitable lighting environment for Chlorella.

[0019] Optionally, the lamp holder and the lamp tube are both made of acrylic.

[0020] According to the above description, the utility model adopts a lamp tube and a lamp stand made of acrylic material, which has good light transmittance, is beneficial to improving the utilization rate of light energy; has strong weather resistance and a long service life.

[0021] Optionally, a heating device is further included, which is detachably connected to the barrel cover, and includes at least one group of heating tubes, which are arranged inside the barrel body and have a hot water inlet and a hot water outlet at the part extending out of the barrel cover.

[0022] According to the above description, the utility model can maintain the temperature of the culture solution in a range suitable for the growth of Chlorella by providing a heating tube, thereby ensuring that the Chlorella is cultured at a suitable temperature.

[0023] Optionally, the cultivation barrel includes a water inlet pipe, a feeding pipe and a discharging pipe, the water inlet pipe and the feeding pipe are arranged on and penetrate the barrel cover, and the discharging pipe is arranged at the bottom center of the barrel body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of a Chlorella cultivation device with aeration function according to the first embodiment of the utility model;

[0025] Figure 2 for Figure 1 A schematic diagram of the structure of the internal light source lighting device;

[0026] Figure 3 This is a schematic diagram of the structure of a Chlorella cultivation device with aeration function according to the second embodiment of the present invention.

[0027] [Description of Reference Numerals]

[0028] 1. Stirring motor; 2. Barrel body; 3. Internal light source lighting device; 4. Heating tube; 5. Central axis; 6. Stirring paddle; 7. Barrel cover; 8. Water inlet pipe; 9. Feed pipe; 10. Discharge pipe; 11. Hot water inlet; 12. Hot water outlet; 13. Aeration plate; 14. Air inlet pipe; 15. Lamp tube; 16. Lamp stand. DETAILED DESCRIPTION

[0029] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0030] Embodiment 1

[0031] Reference Figure 1 and Figure 2 This embodiment provides a Chlorella cultivation device with an aeration function, including a cultivation bucket, an aeration device, a stirring device, an internal light source lighting device 3 and a heating device.

[0032] The culture barrel comprises a barrel body 2 and a barrel cover 7, and the barrel cover 7 is detachably connected to the opening of the barrel body 2. Figure 1 As shown, the barrel cover 7 includes an inverted U-shaped cover body and a straight-line fixing frame, wherein two connecting ears are provided on both sides of the upper opening of the barrel body 2, and the two ends of the fixing frame are detachably connected to the two connecting ears, at this time, the upper end of the fixing frame is the cover body, and the lower end is the barrel body 2. In this embodiment, the detachable connection method is bolt connection, and in other embodiments, the detachable connection method can also be a buckle or the like.

[0033] In this embodiment, the cultivation barrel includes a water inlet pipe 8 , a feeding pipe 9 and a discharge pipe 10 . The water inlet pipe 8 and the feeding pipe 9 are arranged on and penetrate the barrel cover 7 , and the discharge pipe 10 is arranged at the bottom center of the barrel body 2 .

[0034] Among them, the aeration device includes an aeration plate 13 and an air inlet pipe 14. The aeration plate 13 is detachably connected to the inside of the barrel body 2. One end of the air inlet pipe 14 extends to the outside of the cultivation barrel for connecting to an external air supply device, and the other end is connected to the aeration plate 13.

[0035] In this embodiment, one end of the air inlet pipe 14 extends to the outside of the side wall of the barrel body 2 .

[0036] Among them, the stirring device is detachably connected to the barrel cover 7, and the stirring device includes a stirring motor 1, a central shaft 5 and a stirring paddle 6. The stirring motor 1 is connected to the center of the stirring paddle 6 through the central shaft 5; the stirring motor 1 is arranged on the outside of the barrel cover 7, the central shaft 5 passes through the center of the barrel cover 7, and the stirring paddle 6 is located inside the barrel body 2.

[0037] Among them, the internal light source lighting device 3 is arranged inside the barrel body 2, and the top of the internal light source lighting device 3 is detachably connected to the barrel cover 7. The internal light source lighting device 3 includes a lamp holder 16, an LED light strip and a lamp tube 15. A circular ring is arranged inside the lamp tube 15, and the lamp holder 16 is fixedly installed in the lamp tube 15 through the circular ring. Multiple groups of LED light strips are arranged on the outer wall of the lamp holder 16; the lamp holder 16 and the lamp tube 15 are both made of acrylic.

[0038] In this embodiment, the internal light source lighting device 3 is disposed coaxially with the central axis 5 .

[0039] The heating device is detachably connected to the barrel cover 7 , and includes at least one set of heating tubes 4 . The heating tubes 4 are arranged inside the barrel body 2 and a hot water inlet 11 and a hot water outlet 12 are arranged at the part extending out of the barrel cover 7 .

[0040] Embodiment 2

[0041] Reference Figure 3 This embodiment is based on the above-mentioned embodiment one, and replaces "one end of the air intake pipe 14 extends to the outside of the side wall of the barrel body 2" in the embodiment one with "the central axis 5 is a hollow axis with a through hole opened inside, and one end of the air intake pipe 14 extends to the outside of the barrel cover 7 through the through hole."

[0042] Therefore, the working principle of this embodiment is specifically as follows:

[0043] (1) When there is insufficient oxygen outside, the air supply device is started to supply air to the aeration plate 13 through the air inlet pipe 14, and the air valve is adjusted to the required oxygen supply rate to provide a good oxygen environment for Chlorella.

[0044] (2) During the cultivation process, the stirring motor 1 is started to drive the stirring paddle 6 to rotate via the central shaft 5 to fully stir the Chlorella.

[0045] (3) At night or when the external light is insufficient, by adjusting the number of light groups of the LED light strip, the LED light strip is then pasted and wrapped around the outer wall of the lamp frame 16, and the lamp frame 16 wrapped with the LED light strip is then placed on the ring inside the lamp tube 15, which is the internal light source lighting device 3. Then the entire internal light source lighting device 3 is placed in the cultivation barrel, and the light intensity and time are adjusted with the help of electronic control equipment, so that the light is conducive to accelerating the photosynthesis of Chlorella.

[0046] (4) When the outside temperature is too low, hot water is introduced into the heating tube 4 to adjust the temperature so that it is conducive to the growth of Chlorella.

[0047] (5) If the aeration device, stirring device, internal light source lighting device 3 and heating device are used for a long time, they can be dismantled and cleaned.

[0048] In summary, the technical effects of this embodiment include:

[0049] The utility model adopts the Chlorella cultivation device of the above technical solution, which can regulate the amount of oxygen, light and temperature, thereby improving the cultivation efficiency. Among them, under the aeration effect of the aeration device, the problems of low oxygen content and uneven distribution can be avoided; under the stirring effect of the stirring device, the uneven distribution and sinking of Chlorella can be avoided, and the light utilization rate can be improved; under the lighting effect of the internal light source lighting device 3, the problems of unconcentrated light, uneven light distribution, unstable light and high energy consumption can be avoided; under the heat preservation effect of the heating device, the growth rate of the Chlorella cultivation environment can be prevented from slowing down or even stopping due to the low external environment. In addition, the above-mentioned stirring device, the internal light source lighting device 3 and the heating device are all detachable, so they can be dismantled and cleaned after a period of use to avoid the target Chlorella from adhering and being contaminated by miscellaneous bacteria.

[0050] In the description of the present utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should 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 a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the present utility model, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0053] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0054] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A Chlorella cultivation device with aeration function, characterized in that: It comprises a cultivation barrel and an aeration device, wherein the cultivation barrel comprises a barrel body and a barrel cover, and the barrel cover is detachably connected to the opening of the barrel body; The aeration device includes an aeration plate and an air inlet pipe. The aeration plate is detachably connected to the inside of the barrel body. One end of the air inlet pipe extends to the outside of the cultivation barrel for connecting to an external air supply device, and the other end is connected to the aeration plate.

2. The Chlorella cultivation device with aeration function according to claim 1, characterized in that: One end of the air inlet pipe extends to the outside of the side wall of the barrel body.

3. The Chlorella cultivation device with aeration function according to claim 1, characterized in that: It also includes a stirring device, which is detachably connected to the barrel cover, and includes a stirring motor, a central shaft and a stirring paddle, and the stirring motor is connected to the center of the stirring paddle through the central shaft; The stirring motor is arranged on the outer side of the barrel cover, the central axis passes through the center of the barrel cover, and the stirring paddle is located inside the barrel body.

4. The Chlorella cultivation device with aeration function according to claim 3, characterized in that: The central shaft is a hollow shaft with a through hole formed inside, and one end of the air intake pipe extends to the outside of the barrel cover through the through hole.

5. The Chlorella cultivation device with aeration function according to claim 1, characterized in that: It also includes an internal light source lighting device, which is arranged inside the barrel body, and the top of the internal light source lighting device is detachably connected to the barrel cover. The internal light source lighting device includes a lamp holder, an LED light strip and a lamp tube, and a circular ring is arranged inside the lamp tube. The lamp holder is fixedly installed in the lamp tube through the circular ring, and the LED light strips are arranged in multiple groups on the outer wall of the lamp holder.

6. The Chlorella cultivation device with aeration function according to claim 5, characterized in that: The lamp holder and the lamp tube are both made of acrylic.

7. The Chlorella cultivation device with aeration function according to claim 1, characterized in that: It also includes a heating device, which is detachably connected to the barrel cover. The heating device includes at least one group of heating pipes. The heating pipes are arranged inside the barrel body and are provided with a hot water inlet and a hot water outlet at the part extending out of the barrel cover.

8. The Chlorella cultivation device with aeration function according to claim 1, characterized in that: The cultivation barrel comprises a water inlet pipe, a feeding pipe and a discharging pipe. The water inlet pipe and the feeding pipe are arranged on and penetrate the barrel cover, and the discharging pipe is arranged at the bottom center of the barrel body.

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