CN213388603U

CN213388603U - Microalgae culture system

Info

Publication number: CN213388603U
Application number: CN202021728102.2U
Authority: CN
Inventors: 胡桑; 乔瓦尼科利卡; 秦捷; 吴玉双; 李林; 俞威
Original assignee: Guangxi Xiaozao Agricultural Technology Co ltd
Current assignee: Guangxi Xiaozao Agricultural Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-08
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a microalgae culture system, which comprises a culture container and a waterwheel type aerator, wherein the waterwheel type aerator is arranged in the culture container; the waterwheel type aerator comprises a floating base, impellers and a driving motor, wherein the impellers are arranged on two sides of the floating base; the driving motor is arranged on the floating base and used for driving the impeller to rotate. The utility model discloses little algae farming systems is through setting up the waterwheel formula oxygen-increasing machine that has showy base in breeding the pond container, waterwheel formula oxygen-increasing machine when usingCan float on the liquid level and can change along with the change of the liquid level in the culture container, can effectively cope with the heavy rain weather, and has good stirring effect; and the water bloom generated during the operation can ensure that the algae liquid in unit volume can obtain more illumination and CO₂Enhanced photosynthesis while substantially reducing the external CO required for equivalent yields₂The water level of the aquaculture water can be increased within a certain range, the land area is more effectively utilized, and the temperature of the aquaculture water body can be kept within an acceptable range in high-temperature weather.

Description

Microalgae culture system

Technical Field

The utility model relates to a little algae cultivation technical field especially relates to a little algae farming systems.

Background

Microalgae are the main producers of natural water, play an important role in global energy conversion and carbon circulation, and are CO fixed annually by photosynthesis of microalgae₂Approximately accounts for global CO₂The fixed amount is more than 40%. Meanwhile, microalgae cells are rich in high-value-added bioactive substances such as proteins, pigments, various unsaturated fatty acids and the like, and gradually become important material sources in the fields of health food, medicine, fine chemical engineering and the like. Especially, the microalgae has the characteristics of high photosynthetic efficiency, short growth period, capability of being cultured in saline-alkali soil, desert and sea area, capability of utilizing carbon dioxide in factory waste gas as a carbon source and the like. The method is taken as a very important way for solving the shortage of biomass energy resources by countries in the world, and huge funds and research force are invested for research and technical development. With the increasing exhaustion of traditional fossil energy (petroleum, coal, etc.), microalgae has gained high attention as renewable energy (grease, etc.), and the microalgae industry with important social and environmental effects has shown broad application prospects.

CO₂And illumination is two factors which influence the photosynthesis of the microalgae to the maximum, and within a certain range, the stronger the illumination intensity is, the stronger the photosynthesis intensity of the microalgae is, so that the CO is treated₂The greater the demand, the more uniform and exposed the algae cells to more light, and the more CO in the air, generally by agitation, during microalgae cultivation₂Is melted into the algae liquid. Typically, the more vigorous the agitation, the light and CO to which the microalgae are exposed₂The more. At present, the impeller is fixed in a large-scale culture container for culturing microalgae, which is a commonly used stirring device, but the impeller has the following defects: 1. the range of the operating water level is narrow, so that rainstorm is easily encountered in outdoor culture in areas with rich water resources, and the fixed impeller is easy to operate and even damaged when the water level in the culture container is increased due to the rainstorm; 2. the light obtained by the algae liquid in unit volume is less, and the natural light supply is more insufficient when the algae density is high; 3. CO obtained per volume of algal solution₂Less, often requiring additional make-up of large amounts of CO₂(ii) a 4. The temperature of the culture water body is high in summer and other high-temperature days, and the culture state of microalgae is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a microalgae culture system.

In a first aspect, an embodiment of the present invention provides a microalgae cultivation system, including:

a culture container;

the waterwheel type aerator is arranged in the culture container; the waterwheel type aerator comprises a floating base, impellers and a driving motor, wherein the impellers are arranged on two sides of the floating base; the driving motor is arranged on the floating base and used for driving the impeller to rotate.

The utility model discloses little algae farming systems has following beneficial effect at least: according to the microalgae culture system, the waterwheel type aerator with the floating base is arranged in the culture pond container, and can float on the liquid level when in use and change along with the change of the liquid level in the culture container, so that the system can effectively cope with the heavy rain weather, ensure the normal operation of the waterwheel type aerator and has a good stirring effect; in addition, the water bloom generated in the operation can ensure that the algae liquid in unit volume can obtain more light and CO₂Enhanced photosynthesis while substantially reducing the external CO required for equivalent yields₂The water level of the cultivation can be increased within a certain range, and the land area is more effectively utilizedAnd is favorable for keeping the temperature of the aquaculture water body within an acceptable range in high-temperature weather.

According to other embodiments of the utility model, the waterwheel type aerator is suspended in the culture container through traction ropes.

According to other embodiments of the utility model, be equipped with the mounting on the lateral wall of breed container, the waterwheel type oxygen-increasing machine passes through the tractive rope with mounting fixed connection, in order to incite somebody to action the waterwheel type oxygen-increasing machine hangs and locates in the breed container.

According to other embodiments of the present invention, the impeller comprises an impeller disc and blades uniformly arranged along a circumferential direction of the impeller disc; the driving motor is connected with the impeller disc through a rotating shaft to drive the rotating shaft to rotate, and then the impeller is driven to rotate.

According to other embodiments of the present invention, the blades are detachably connected to the impeller plate.

According to other embodiments of the present invention, the floating base includes a first floating body, a second floating body and a connecting frame, the first floating body and the second floating body are connected by the connecting frame, and the driving motor is disposed on the connecting frame; the connecting frame is provided with a rotating shaft supporting frame which is rotatably connected with the rotating shaft.

According to other embodiments of the present invention, the cultivation container is an open cultivation pond.

According to other embodiments of the utility model, breed the container and be the runway pond, the inside central authorities in runway pond are equipped with the baffle, in order to incite somebody to action the runway pond is separated for both sides, and every side all is equipped with the waterwheel formula oxygen-increasing machine.

According to other embodiments of the utility model, the position that corresponds on the bottom of breed container waterwheel formula oxygen-increasing machine is equipped with the guard plate.

According to other embodiments of the utility model, the microalgae culture system further comprises a time controller, the time controller is connected with the driving motor and is used for controlling the running time of the driving motor so as to control the running of the waterwheel type aerator.

Drawings

FIG. 1 is a schematic structural diagram of a microalgae cultivation system according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the water wheel type aerator in fig. 1.

Detailed Description

The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" on another feature, it can be directly disposed, fixed, or connected to the other feature or indirectly disposed, fixed, connected, or mounted on the other feature. In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a microalgae cultivation system according to an embodiment of the present invention, and fig. 2 is a schematic structural view of a water wheel type aerator in fig. 1. As shown in fig. 1 and 2, the microalgae cultivation system comprises a cultivation container 10 and a waterwheel type aerator 20, wherein the waterwheel type aerator 20 is arranged in the cultivation container 10, so that the waterwheel type aerator 20 floats on the liquid level in the cultivation container 10 in the use process and is used for pushing the liquid in the cultivation container 10 to circularly flow; the waterwheel type aerator 20 comprises a floating base 21, impellers 22 and a driving motor 23, wherein the impellers 22 are arranged on two sides of the floating base 21; the driving motor 23 is provided on the floating base 21 for driving the impeller 22 to rotate.

The farming container 10 generally employs an open farming pond, including, but not limited to, a race track pond, a rectangular pond, a circular pond, and the like, of various sizes. In this embodiment, the cultivation container 10 is a raceway pond, and a partition plate 11 is disposed in the center of the raceway pond to divide the raceway pond into two sides, and the partition plate 11 may be designed to have a height equal to the height of the raceway pond. In order to improve the circulation of liquid in the raceway pond, waterwheel type automatic aerator 20 can be arranged on both sides of the raceway pond, and the number of the waterwheel type automatic aerator 20 can be designed according to actual conditions. In order to promote the flow of the algae liquid in the raceway pond along the preset liquid flow direction, the bottom of the raceway pond can be inclined from high to low along the preset liquid flow direction.

In addition, a barrier film, such as an HDPE film, may be provided at the bottom of the habitat 10. In order to prevent parts such as an anti-seepage film and the like which drive the bottom of the culture container 10 in the operation process of the waterwheel type aerator 20 from loosening or scratching and damaging the bottom of the culture container 10, a protection plate can be further arranged on the bottom of the culture container 10 corresponding to the position of the waterwheel type aerator 20, and the protection plate can be a concrete plate.

In this embodiment, the waterwheel type aerator 20 is suspended in the culture vessel 10 by pulling the pulling rope 24, and during use, the waterwheel type aerator 20 floats on the liquid surface in the culture vessel 10 by its own buoyancy and the pulling force of the pulling rope 24. Specifically, a fixing member may be disposed on a sidewall of the culture container 10, and the waterwheel type aerator 20 is fixedly connected to the fixing member by a pulling rope 24, so as to suspend the waterwheel type aerator 20 in the culture container 10. Of course, the fixing points can be separately arranged outside the culture container 10. The pulling rope 24 can be a fiber rope or a steel wire rope and the like according to requirements, and specifically, the waterwheel type aerator 20 can be pulled in place by the pulling rope 24 in a straight or two inverted splayed form and the like. In order to improve the stability of the waterwheel aerator 20 and widen the operating water level range thereof, the pulling rope 24 may also be an elastic pulling rope. Or, in some embodiments, the length of the pulling rope 24 may be designed to be greater than the plane distance between the fixed point on the waterwheel type aerator 20 and the fixed point on the culture container 40, so that the pulling rope 24 pulls the waterwheel type aerator 20 to have a certain loosening range, and further, the waterwheel type aerator 20 may be changed according to the change of the liquid level in the culture container 10 during the use process. By last, the waterwheel type aerator 20 is fixed in the installation of the pulling rope 24, and the assembly and disassembly are convenient, and the problems of difficult installation and disassembly and poor flexibility of the traditional microalgae culture system in the mode of arranging a fixed impeller in the culture container 10 can be overcome.

In the present embodiment, the impeller 22 includes an impeller disk 221 and blades 222 uniformly arranged along the circumferential direction of the impeller disk 221; the driving motor 23 is connected to the impeller disc 221 through the rotating shaft 25, so that the driving motor 23 drives the rotating shaft 25 to rotate, and further drives the impeller 22 to rotate. In order to improve the flexibility of the device, the blades 222 on the impeller 22 can be designed to be detachably connected with the impeller disc 221, and when in use, the number of the blades 222 or the number of the waterwheel type automatic aerator 20 in the culture container 10 can be increased or decreased according to factors such as the size, the liquid level and the speed needing stirring of the culture container 10. The arrangement of the waterwheel type aerator 20 in the culture vessel 10 can be adjusted according to the requirement, and the stagnant water-free area is generally used as the standard as much as possible.

The floating base 21 may be a floatable base of various materials and shapes, and the material of the floating base 21 may be foam, plastic, etc. In this embodiment, the floating base 21 includes a first floating body 211, a second floating body 212, and a connection frame 213, the first floating body 211 and the second floating body 212 are connected by the connection frame 213, and the driving motor 23 is specifically provided on the connection frame 213. In order to improve the installation stability of the impeller 22, a rotating shaft support frame 214 for supporting the rotating shaft 25 is further disposed on the connecting frame 213, and the rotating shaft support frame 214 is rotatably connected with the rotating shaft 25. In order to improve the operation stability of the waterwheel type aerator 20, the impellers 22 on both sides of the driving motor 23 can be symmetrically arranged. The number of impellers 22 can be set as required. In addition, the first and second floating

bodies

211 and 212 may adopt the same structure, and the driving motor 23 may be disposed between the first and second floating

bodies

211 and 212.

In addition, in order to facilitate the control of the microalgae cultivation system, a time controller can be further arranged, and the time controller is connected with the driving motor 23 and is used for controlling the running time of the driving motor 23 so as to control the running of the waterwheel type aerator 20. Through the setting of time controller, to the longer condition of little algae cultivation cycle, the time of application of accessible time controller suitable regulation and control protection waterwheel formula oxygen-increasing machine 20 specifically controls it and has a rest after a period of operation to the protection machine.

The microalgae culture system of the utility model is provided with the waterwheel type aerator 20 with the floating base 21 in the culture container 10, and the organism is light and convenient to install; when in use, the waterwheel type aerator 20 can float on the liquid level and can change along with the change of the liquid level in the culture container 10, can effectively cope with the heavy rain weather, and has good stirring effect; in addition, the water bloom generated in the operation can ensure that the algae liquid in unit volume can obtain more light and CO₂Enhanced photosynthesis while substantially reducing the external CO required for equivalent yields₂The water level of the aquaculture water can be increased within a certain range, the land area is more effectively utilized, and the temperature of the aquaculture water body can be kept within an acceptable range in high-temperature weather.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. A microalgae cultivation system, comprising:

a culture container;

2. The microalgae cultivation system as claimed in claim 1, wherein the waterwheel type aerator is suspended in the cultivation container by pulling with a pulling rope.

3. The microalgae cultivation system as claimed in claim 2, wherein a fixing member is provided on the side wall of the cultivation container, and the waterwheel type aerator is fixedly connected with the fixing member through the pulling rope so as to suspend the waterwheel type aerator in the cultivation container.

4. The microalgae cultivation system as claimed in claim 1, wherein the impeller comprises an impeller disc and blades uniformly arranged along the circumference of the impeller disc; the driving motor is connected with the impeller disc through a rotating shaft to drive the rotating shaft to rotate, and then the impeller is driven to rotate.

5. The microalgae cultivation system of claim 4 wherein the blades are removably connected to the impeller plate.

6. The microalgae cultivation system as claimed in claim 4, wherein the floating base comprises a first floating body, a second floating body and a connecting frame, the first floating body and the second floating body are connected through the connecting frame, and the driving motor is arranged on the connecting frame; the connecting frame is provided with a rotating shaft supporting frame which is rotatably connected with the rotating shaft.

7. A microalgae cultivation system as claimed in any one of claims 1 to 6, wherein the cultivation vessel is an open cultivation pond.

8. The microalgae cultivation system as claimed in claim 7, wherein the cultivation container is a raceway pond, a partition plate is provided at the center of the inside of the raceway pond to divide the raceway pond into two sides, and the water wheel type aerator is provided at each side.

9. The microalgae cultivation system as claimed in claim 7, wherein a protection plate is provided on the bottom of the cultivation container at a position corresponding to the waterwheel type aerator.

10. The microalgae cultivation system as claimed in any one of the claims 1 to 6, further comprising a time controller connected with the driving motor for controlling the operation time of the driving motor to control the operation of the waterwheel aerator.