KR101450090B1 - Light Irradiation Device, Cultivation Device and Cultivation Method for Photosynthetic Microorganisms - Google Patents

Abstract

The present invention relates to a light irradiation device, a device and a method for cultivating photosynthetic microorganisms. The light irradiation device according to an embodiment of the present invention comprises: a plurality of light sources connected in a linear shape; and a flexible connecting part which connects the plural light sources. The flexible connecting part includes a wire which connects the plural light sources and a flexible light penetration coating layer which seals the light sources and the wire.

Description

TECHNICAL FIELD [0001] The present invention relates to a light irradiation apparatus, a photobiological culture apparatus, and a culture method,

The present invention relates to a light irradiation apparatus, a photobiological culture apparatus including the same, and a photobiological culture method, and more particularly, to a light irradiation apparatus capable of improving light transmission efficiency in culturing an organism such as microalgae, To a photobiological culture apparatus and a photobiological culture method comprising the same.

Research on alternative energy that can be used as a substitute for reducing fossil energy use to reduce greenhouse gases is being conducted worldwide.

Alternative energy is being explored, including bioenergy, solar, hydro, tidal, wind power, waste energy, fuel cells and hydrogen cells. In particular, in the case of bioenergy, carbon dioxide can be used for metabolism to convert carbon dioxide in the air into biomass, and the energy present in the biomass can be converted into energy such as bioethanol or biodiesel, The next generation energy source.

As a bio energy source, lignocellulosic cellulose, microalgae, food waste, livestock manure have been used. In particular, in the case of microalgae, the biomass production per unit area is tens of times higher than that of the plant origin, the advantage of having a high growth rate and high lipid content compared with the plant, and the fact that it absorbs carbon dioxide, Algae is emerging as a next-generation alternative energy source.

Cultures or photobioreactors used for culturing microalgae used artificial light to cultivate microalgae at a high concentration. Specifically, in Patent Document 1, a light source is disposed in a stirrer disposed inside a reactor, and a light source is arranged in a spiral manner along an agitator. In Patent Document 2, a plurality of light sources were provided in the culture tank to widen the light irradiation area. In Patent Documents 3, 4, 5 and 6, a transparent tubular container capable of vertically mounting a light emitting diode can be disposed inside the reactor, or a light source of the illumination device can be installed so as to penetrate the tubular hollow tube. .

However, Patent Documents 1 to 6 require a light source to be arranged in a plastic or fixed structure. Therefore, it is difficult to change the arrangement of the light sources and the light source must be disposed in a predetermined matrix. Therefore, There is a problem that the arrangement and arrangement of the light sources are restricted. Since the plastic matrix and the light source must be separately manufactured and assembled, manufacturing and production costs are increased.

KR 10-2011-0098622 A KR 10-0226128 B1 KR 10-2010-0017975 A KR 10-0945153 B US 2009-0246863 A1 WO 2010-116946 A1

SUMMARY OF THE INVENTION The present invention provides a light irradiation apparatus capable of efficiently irradiating light constantly in a large amount of high concentration microalgae culture, a photobiological culture apparatus including the apparatus, .

It is also an object of the present invention to provide a light irradiation apparatus that can be easily applied to a closed or open type photo organism culture apparatus and can be flexibly applied in various structures and arrangements, a photo organism culture apparatus including the same, and a photo organism culture method.

The light irradiating device used in the photobiological culture according to an embodiment of the present invention includes a plurality of light sources that are linearly connected and a flexible connection unit that connects the plurality of light sources and the flexible connection unit connects the plurality of light sources And a flexible light transmitting coating layer sealing the wire and the light source and the wire.

At least one of the plurality of light sources may be provided as a light source module by mounting one or more light sources on a substrate.

The light source may be at least one selected from the group consisting of fluorescent lamps, light emitting diodes, organic light emitting diodes, flexible light emitting diodes and optical fibers.

The flexible light transmitting coating layer may be composed of one selected from the group consisting of polyvinyl chloride, plastic, nylon and low density polyethylene.

And a buoyancy suppressing unit attached to the light source or the wire to suppress the buoyant force, either inside or outside the flexible light transmitting coating layer.

The buoyancy restraining part may be composed of at least one member selected from the group consisting of stone, reinforcing steel and concrete.

The apparatus for cultivating an organism according to another embodiment of the present invention includes a housing in which a living organism is cultured, a plurality of linearly connected light sources, and a flexible connecting unit connecting the plurality of light sources, A light emitting device including a connecting wire and a flexible light transmitting coating layer for sealing the light source and the wire, and a fixing part fixing the flexible connecting part to the housing.

One or more light sources of the plurality of light sources may be mounted on a substrate and provided as a light source module.

The light source may be at least one selected from the group consisting of fluorescent lamps, light emitting diodes, organic light emitting diodes, flexible light emitting diodes and optical fibers.

The housing may be one selected from the group consisting of a box-shaped housing, a container-shaped housing, a polygonal columnar housing, a cylindrical housing, and a raceway-shaped housing.

The fastening portion may be located in an inner structure of the housing, an outer wall of the housing, or an inner structure disposed in the housing.

The inner structure may be formed of one or more support pillars arranged in the housing and to which the flexible connection is fixed.

The fastening portion may have a ring or hook shape.

And a connection protector disposed at a position in contact with the flexible connection portion at the fixing portion to increase the radius of curvature of the fixing portion to protect the flexible connection portion.

In the above photobiological culture apparatus, the flexible light transmitting coating layer may be composed of one selected from the group consisting of polyvinyl chloride, plastic, nylon and low density polyethylene.

The buoyancy restraining part may further comprise a buoyancy restraining part attached to the light source or the wire inside or outside the flexible light transmitting coating layer in the photobioreaching device, wherein the buoyancy restraining part is made of stone, reinforcing bar and concrete And the like.

The light irradiating device may be arranged in the housing to include at least one selected from the group consisting of at least one intersection point, a bending point, a bifurcation point and a synthesis point.

 According to another embodiment of the present invention, there is provided a method for cultivating a bio-organism comprising a housing in which a living organism is cultured, a plurality of light sources connected in a linear manner, and a flexible connection unit connecting the plurality of light sources, And a flexible light transmitting coating layer for sealing the light source and the wire, and a fixing part for fixing the flexible connection part to the housing. And culturing the photobiological organism by supplying power to the photobiological culture apparatus.

The power can be supplied using one or more of sunlight, wind force, and aids.

According to an embodiment of the present invention, there is provided a light irradiation apparatus, a photobiological culture apparatus, and a photobiological culture method which can be arranged in various forms while improving the light irradiation rate and the light transmittance, can do.

In addition, according to one embodiment of the present invention, it is possible to provide a light irradiation apparatus, a photobiological culture apparatus and a photo organism culture method which are easily separated from a regular photobiological culture apparatus and easily mounted to facilitate cleaning, exchange, collection and maintenance have.

According to an embodiment of the present invention, there is provided a highly flexible light irradiation apparatus that can be applied in a simple manner without changing the structure of an open type and a closed type photobiological culture apparatus, It is possible to provide a light irradiation apparatus, a photobiological culture apparatus and a photo organism culture method with high flexibility which can be easily applied and added irrespective of the present invention.

1 is a partially cutaway perspective view showing a part of a photobiological culture apparatus according to an embodiment of the present invention.
FIG. 2A is a plan view showing a light irradiation apparatus according to an embodiment of the present invention, and FIG. 2B is a plan view showing a light irradiation apparatus according to another embodiment of the present invention.
FIG. 3A is a cross-sectional view of a light irradiation apparatus according to an embodiment of the present invention, and FIG. 3B is a cross-sectional view of a light irradiation apparatus according to another embodiment of the present invention.
4 is a plan view showing a photobiological culture apparatus according to another embodiment of the present invention.
5 is a perspective view showing a photobiological culture apparatus according to another embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Other embodiments falling within the scope of the claims of the present invention may easily be suggested, but this will also be included in the spirit of the present invention.

In the following description, the same or similar reference numerals are used to designate the same or similar parts in the same spirit of the present invention.

Hereinafter, with reference to FIG. 1 to FIG. 5, a detailed description will be given of a light irradiation apparatus, a photobiological culture apparatus, and an optical bio-culture method according to various embodiments of the present invention.

1 is a partially cutaway perspective view showing a part of a photobiological culture apparatus 1 according to an embodiment of the present invention. 1, the front surface of the housing 10 is cut and its interior is shown in order to clarify the internal structure. 1, the structure of the light irradiating device 30 and the fixing portion 20 is shown in more detail.

A photobiological culture apparatus 1 according to an embodiment of the present invention includes a housing 10, a light irradiating device 30 including a light source and a flexible connecting portion 31, and the flexible connecting portion 31, (Not shown).

The housing 10 is configured to cultivate microorganisms such as microalgae therein and cultivate microalgae in a state in which the culture liquid is contained therein.

According to an embodiment of the present invention, the housing 10 may be a closed housing or an open housing. The closed housing is a housing that is disconnected from the outside atmosphere and can cultivate microorganisms such as microalgae through an artificial light source. The open housing is opened to the outside atmosphere and is configured to cultivate microalgae through sunlight and artificial light source . That is, the apparatus 1 for cultivating an organism according to an embodiment of the present invention may be configured to use an artificial light source or sunlight and an artificial light source as a light source.

Also, the housing 10 according to an embodiment of the present invention may be composed of any one selected from the group consisting of a box-shaped housing, a container-shaped housing, a polygonal columnar housing, a cylindrical housing, and a raceway-shaped housing. However, the present invention is not necessarily limited thereto, and various types of housings for photobiological culture apparatuses which can be used in the art can be applied thereto.

The housing 10 may be formed to have a waterproof structure so that the culture liquid does not leak to cultivate a photobiological organism such as microalgae. In addition, it can be made of a material having light transmittance so as to transmit light from outside or solar light from an artificial light source, and can be made of a material excellent in mechanical strength, water resistance, and chemical resistance. According to an embodiment of the present invention, the housing 10 may be made of one or more materials selected from the group consisting of plastic, concrete, iron, tempered glass, polycarbonate, and acrylic. However, the present invention is not necessarily limited thereto, and various materials that can be used in the art can be used to construct the housing 10.

According to an embodiment of the present invention, one or more supply portions 41 and one or more discharge portions 43 connected to the housing 10 may be provided. One or more supply units 41 are configured to supply a culture medium necessary for the growth of microorganisms, microorganisms such as microalgae, and a gas containing carbon dioxide. The supply unit 41 supplies the gas supplied by the supply unit 41 So that the culture liquid and microalgae present inside the housing 10 can be effectively agitated. The at least one discharge portion 43 is configured to discharge carbon dioxide or a gas containing oxygen or the like.

According to one embodiment of the present invention, a medium provided with nutrients containing nitrogen and phosphoric acid for the growth of microalgae can be injected into the housing 10.

1, the light irradiation device 30 includes a plurality of light sources 101 connected in a linear fashion and a plurality of light sources 101 connected to the plurality of light sources 101, And includes a connecting portion 31. Since the light irradiating device 30 includes the flexible connecting part 31, it can be arranged in various structures and various forms within the photobiological culture device.

The plurality of light sources 101 may be arranged in a linear form in the form of a light irradiating device 30. The light source 101 can supply light such that microorganisms such as microalgae can perform optimal photosynthesis in a photobiological culture apparatus. Wavelength, intensity, and the like of the light source according to the microalgae to be cultivated according to an embodiment of the present invention. The intensity, wavelength, intensity, and the like of the light source installed in the housing 10 through the controller (not shown) As shown in FIG.

According to an embodiment of the present invention, the light source 101 may be a fluorescent lamp, a light emitting diode (LED), an organic light emitting diode (OLED), a flexible light emitting diode (LED) . ≪ / RTI > But the present invention is not limited thereto, and various light sources that can be used in the art can be applied thereto.

The flexible connection portion 31 may be composed of a wire 103 connecting a plurality of light sources 101 and a plurality of light sources 101 and a flexible coating layer 105 sealingly coating the wire 103. Accordingly, the flexible connection portion 31 is formed between the plurality of light sources 101, so that the light irradiation device 30 can be freely bent.

According to an embodiment of the present invention, the flexible connection portion 31 may be formed to be fixed to the fixing portion 20 of the housing 10.

According to an embodiment of the present invention, the fixing portion 20 may be formed in a hook or a ring shape fixed to the housing 10. Accordingly, the linear light irradiating device 30 can be configured to be fixed to the hook or the ring.

The fixing portion 20 may be located on an inner wall of the housing 10, an outer wall of the housing, or an inner structure disposed in the housing. The fixing part 20 may be variously arranged with respect to the housing 10 according to the arrangement of the desired light irradiation devices 30. [

The light irradiating device 30 is fixed to the fixing portion 20 due to the flexible nature of the flexible connection portion 31 and is bent so that the fixing portion 20 can be arranged to have a plurality of inflection points. That is, the light irradiation device 30 may be arranged to have various shapes such as a lattice shape, a radial shape and an irregular shape, and each may include at least one selected from the group consisting of at least one intersection point, inflection point, bifurcation point and synthetic point.

The light irradiating apparatus 30 is limited in a fixed form in the related art by using the flexible connecting portion 31 and the fixing portion 20 of the housing 10 according to an embodiment of the present invention. 30 may be flexibly disposed in the housing 10 in a bent or folded state. According to various embodiments of the present invention, the light irradiating device 30 may be flexibly arranged in various structures in an irregular shape such as a lattice type, a radial type, and a zigzag type.

Accordingly, the light irradiating device 30 can cause light to be irradiated from one or more surfaces in the housing 10, and to allow light to be irradiated across the housing 10. And can be arranged so as to be irradiated in various geometrical shapes and in various directions, thereby ensuring an optimal light irradiation rate in the housing 10.

The light irradiating device 30 may be formed to be connected to a power supply device, and may be provided using general electric power or alternative energy according to an embodiment of the present invention. Preferably, the light irradiating device 30 may be an environmentally- Energy, wind energy, and assist energy.

According to one embodiment of the present invention, the flexible coating layer 105 has a structure for protecting the light source and the wire coated inside from the external culture liquid, thereby securing the waterproof property and sealing the interior with water resistance, And can be made of a material having excellent light transmittance.

More specifically, a vacuum packaging material may be used for the flexible coating layer 105. The vacuum packaging material can be applied to various types of light sources and has an advantage of easy separation. Accordingly, in the case of the light irradiation device 30 coated with the vacuum packaging material, it is easy to remove and can be easily replaced when the transmittance is hindered.

More specifically, according to one embodiment of the present invention, a flexible packaging material composed of at least one selected from the group consisting of polyvinyl chloride, plastic, nylon, and low density polyethylene (LDPE) Can be used.

FIG. 2A is a plan view specifically showing a light irradiation device 30 according to an embodiment of the present invention, and FIG. 2B is a plan view showing a light irradiation device 31 according to another embodiment of the present invention.

Referring to FIG. 2A, a light irradiation apparatus 30 used for culturing a photobioregulator such as a microalga according to an embodiment of the present invention includes a plurality of light sources 101 arranged in a linear array, a plurality of light sources 101, And a flexible coating layer 105 on which the light source 101 and the wire 103 are coated.

According to an embodiment of the present invention, since the wire 103 and the flexible coating layer 105 for coating the wire 103 are formed in the light irradiation device 30, the flexibility of the flexible coating layer 105 allows the light irradiation device 30 to have various As shown in FIG.

Referring to FIG. 2B, a light irradiation device 30 'according to another embodiment of the present invention may be provided with a plurality of light sources 201 mounted on a substrate 207 and provided as a light source module 200. That is, one or more light sources 201 of a plurality of light sources may be mounted on the substrate 207 and provided as a light source module 200.

The plurality of light source modules 200 may be linearly connected to each other through wires 203 connecting the plurality of light source modules 200. The light source module 200 and the wire 203 may be coated with the flexible coating layer 205.

According to various embodiments of the present invention, when a light emitting diode, a flexible light emitting diode, or an organic light emitting diode is used for the light source 101 and the light source module 200, the light source 101 or the light source module 200 can be miniaturized, It is possible to provide a linear light irradiation device 30, 30 'having flexibility.

3A and 3B are cross-sectional views showing a light irradiation apparatus according to another embodiment of the present invention.

According to an embodiment of the present invention, the buoyancy suppressing portions 110 and 210 for suppressing the buoyancy applied to the light irradiation device may be disposed inside or outside the flexible coating layer 105.

Referring to FIG. 3A, the buoyancy suppressing portion 110 may be disposed inside the flexible coating layer 105. 3A, the buoyancy suppressing portion 110 is disposed on the bottom surface of the light source 101. However, the buoyancy suppressing portion 110 is not necessarily limited to the buoyancy suppressing portion 110 and may be attached to either the surface of the light source 101 or the surface of the light source module 200 or the wire 103 And may be formed to be coated with the flexible coating layer 105.

3B illustrates that the buoyancy restraining portion 210 according to another embodiment of the present invention is disposed outside the flexible coating layer 205. In the embodiment of FIG. 3B, the flexible coating layer 205 surrounding the wire 203 The buoyancy suppressing portion 210 is disposed on the outside of the light source module 205 or the flexible coating layer 205 surrounding the light source, 210 may be disposed.

The buoyancy restraining part 110 may be formed of any one selected from the group consisting of a stone having a specific gravity larger than that of water, a reinforcing bar, concrete, etc., in order to prevent the buoyancy from being floated when the light irradiation device is installed in water.

In this way, buoyancy and air bubbles generated by microalgae such as carbon dioxide can prevent the light irradiation device from rising above the water surface.

4 is a plan view showing a photobiological culture apparatus 2 according to an embodiment of the present invention.

Fig. 4 shows that the light irradiation device 3 is disposed in the open-type photoobioculture apparatus 2 including the raceway-shaped housing 12. Fig. In the case of the photobiological culture apparatus 2 including the raceway-shaped housing 12, the photobioregion can be cultured with only the artificial light by the light irradiation apparatus, or with the artificial light and the sunlight. That is, the light irradiating device 30 may be arranged to assist with the sunlight in the open type photobiological culture device 2.

And is formed so that the culture liquid can circulate due to rotation of the outer side 18 in the raceway-shaped housing 12. [ The raceway-shaped housing 12 is provided with one or more supply portions 14 for supplying nutrients to the microalgae and one or more discharge portions 16 for discharging the generated microalgae or gas to continuously cultivate the microalgae . In addition, at least one baffle 24 may be disposed at the bent portion of the raceway-shaped housing 12 to induce smooth movement of the microalgae.

According to an embodiment of the present invention, the light irradiating device 30 may be disposed inside or outside the raceway-shaped housing 12. The light irradiation device 30 may be arranged to have various shapes such as a lattice shape, a radial shape and an irregular shape, and each may include at least one selected from the group consisting of at least one intersection point, inflection point, bifurcation point and synthetic point.

In the embodiment of FIG. 4, the light irradiating apparatus 30 that is initially introduced may be arranged in a zigzag shape having a plurality of bending points and intersecting points divided into two lines at a branching point. At the end, two lines can be combined at the synthesis point and connected to one light irradiation device 30. [

It is needless to say that the present invention is not limited thereto and may be formed to have only a plurality of bending points as in the embodiment of FIG.

4, the light irradiation device 30 may be installed on one of the lower surface of the water surface, the upper surface of the water surface, the outer bottom surface of the housing 12, and the upper surface of the housing 12.

5 is a partially enlarged view of a part B and a perspective view showing a photobiological culture apparatus 3 according to another embodiment of the present invention.

Referring to FIG. 5, a cylindrical housing 11 may be provided for the closed-type photobiobietechnique 3. One or more supply portions 41 for supplying the microorganisms and the culture liquid to the housing, and one or more discharge portions 43 for discharging the generated gas and the biomass.

When the size of the housing 11 is increased, there is a problem that the light irradiation rate of the light irradiating device 30 is lowered if the light irradiating device 30 is arranged in various ways in the conventional case. However, according to one embodiment of the present invention, the optical scanning device 30 can be disposed by providing an internal structure inside the housing 11. [ In the case of the embodiment of Fig. 5, one or more support pillars 50 can be arranged inside the housing 11. Fig. It is possible to arrange the light irradiating device 30 to be wound around the support pillars 50 so that the housing 11 having a large size can have an excellent light irradiation rate.

Referring to a partially enlarged view of FIG. 5, one or more fixing portions 23 may be disposed on the support pillars 50 or the housing 11. In the embodiment of FIG. 5, the hook-shaped fixing portion 23 is disposed, but the present invention is not limited thereto. It is needless to say that the fixing portion 20 of the annular shape may be disposed as in the embodiment of FIG.

According to an embodiment of the present invention, the hooking or annular fixing portion 23 may be provided with a connection protecting portion 25 arranged at a position in contact with the flexible connecting portion. When the flexible connecting portion is bent with a small radius of curvature when bent to the fixing portion 23, the wire and the flexible coating layer may be broken. Accordingly, the connection protecting portion 25 is disposed in the fixing portion 23, so that the radius of curvature at the point where the flexible connecting portion is bent can be made large so that the wire and the flexible coating layer can be prevented from being broken. Thereby making it possible to provide a more stable photobiological culture apparatus.

According to another embodiment of the present invention, there is provided a method for cultivating a bio-organism comprising a housing in which a living organism is cultured, a plurality of light sources connected in a linear manner, and a flexible connection unit connecting the plurality of light sources, And a flexible light transmitting coating layer for sealing the light source and the wire, and a fixing part for fixing the flexible connection part to the housing. And culturing the photobiological organism by supplying power to the photobiological culture apparatus.

The light irradiating device is environmentally friendly and can be connected to solar energy to minimize the rate of carbon dioxide generation.

According to an embodiment of the present invention, it is possible to arrange the photocatalyst in various forms while improving the light irradiation rate and the light transmittance, thereby enabling high concentration and mass culture of photobioregions. In addition, the light irradiation apparatus according to an embodiment of the present invention can be easily separated from the photobiological culture apparatus and easily mounted to facilitate cleaning, exchange, collection and maintenance.

According to an embodiment of the present invention, there is provided a flexible light irradiation apparatus which can be applied in a simple manner without changing the structure of an open type and a closed type photoobioculture apparatus, The apparatus, the photobiological culture apparatus and the photobiological culture method thus have a high flexibility to be easily applied and added regardless of the structure and size of the photobiological culture apparatus.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, those skilled in the art will readily appreciate that many modifications are possible in the exemplary embodiments without materially departing from the novel teachings and advantages of this invention. something to do. Accordingly, the actual scope of the present invention will be defined by the appended claims and their equivalents.

1, 2, 3: Photobiological culture device
10: Housing
20:
30, 30 ': Light irradiation device
31, 30 ': flexible connection
41:
43:
101, 201: Light source
103, 203: wire
105, 205: Flexible coating layer
200: Light source module
207: substrate
110, 210: Buoyancy suppression unit

Claims (20)

delete delete delete delete delete delete A housing in which the photobiorecule is cultured;
And a flexible connection portion connecting the plurality of light sources, wherein the flexible connection portion includes a flexible light transmission coating layer for sealing the light source and the wire, the light source and the wire connecting the plurality of light sources, Device; And
And a fixing unit for fixing the flexible connection unit to the housing.
8. The method of claim 7,
Wherein at least one of the plurality of light sources comprises:
And is mounted on a substrate and provided as a light source module.
8. The method of claim 7,
Wherein the light source is at least one selected from the group consisting of a fluorescent lamp, a light emitting diode, an organic light emitting diode, a flexible light emitting diode, and an optical fiber.
8. The method of claim 7,
Wherein the housing is one selected from the group consisting of a box-shaped housing, a container-shaped housing, a polygonal columnar housing, a cylindrical housing, and a raceway-shaped housing.
8. The method of claim 7,
Wherein the fixing portion is located in an inner structure of the housing, an outer wall of the housing, or an inner structure disposed in the housing.
12. The method of claim 11,
Wherein the internal structure comprises at least one support column disposed in the housing and to which the flexible connection is fixed.
8. The method of claim 7,
Wherein the fixing portion has a ring or hook shape.
8. The method of claim 7,
Further comprising a connection protector disposed at a position in contact with the flexible connection portion at the fixing portion to increase a radius of curvature of the fixing portion to protect the flexible connection portion.
8. The method of claim 7,
Wherein the flexible light transmitting coating layer is composed of one selected from the group consisting of polyvinyl chloride, plastic, nylon and low density polyethylene.
8. The method of claim 7,
Inside or outside the flexible light-transmitting coating layer,
Further comprising a buoyancy suppressing portion attached to the light source or the wire to suppress buoyancy.
17. The method of claim 16,
Wherein the buoyancy restraining part comprises at least one selected from the group consisting of stone, reinforcing bars and concrete.
8. The method of claim 7,
Wherein the light irradiating device is disposed in the housing so as to include at least one selected from the group consisting of at least one intersection point, a bending point, a bifurcation point, and a synthesis point.
A flexible connecting portion connecting the plurality of light sources, wherein the flexible connecting portion includes a wire connecting the plurality of light sources, and a flexible light source for sealing the light source and the wire, A light irradiation device including a transparent coating layer, and a fixing part fixing the flexible connection part to the housing; And
And culturing the photobiological organism by supplying electric power to the photobiological culture apparatus.
20. The method of claim 19,
Wherein the power is supplied using at least one of sunlight, wind force, and assist force.

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