KR102456253B1 - Convergence building structure for agriculture and fisheries having photobioreactor for cultivation of microalgae - Google Patents

Abstract

Disclosed is a convergence building structure for agriculture and fishery industry having a microalgae light culture device. Convergence building structure for agriculture and fishery industry having a microalgae light culture device according to the present invention is a building structure comprising a roof provided with a panel for photovoltaic power generation, and a wall forming a wall surface, wherein the wall is a side wall culture space Consists of a glass greenhouse to form, in the side wall culture space formed by the glass greenhouse, a transparent culture tube in which a culture solution for culturing microalgae circulates is installed in succession in the vertical or horizontal direction, and each end of the transparent culture tube is It is characterized in that it has a circulation pump and is connected to the culture medium storage tank.

Description

CONVERGENCE BUILDING STRUCTURE FOR AGRICULTURE AND FISHERIES HAVING PHOTOBIOREACTOR FOR CULTIVATION OF MICROALGAE}

The present invention relates to a convergence building structure for agriculture and fisheries industry having a microalgae light culture device, and more specifically, it is possible to efficiently culture microalgae with a vertical double tube, and energy by using such a microalgae light culture device It relates to a convergence building structure for the agricultural and fishery industry having a microalgae light culture device that can not only save money, but also can efficiently culture microalgae and perform agricultural and fishery industries.

The photosynthetic microorganisms are usefully used in various fields of industry worldwide, and many studies are being made to increase their utilization. In particular, photosynthetic microorganisms are being actively studied among microorganisms that are attracting attention. Food and feed are also receiving new attention.

The development and improvement of these photosynthetic microorganisms suitable for each use, the development of culture technology to more easily obtain a large amount of microorganisms, and the study of harvesting and transforming the photosynthetic microorganisms into final products are actively being conducted.

In the currently known photosynthetic microorganism culture system, an outdoor culture system and an apparatus culture system using an apparatus are used, and in the case of an outdoor culture system, temperature and light intensity control according to the season, external pollution, although it is essential for economical production of useful materials for photosynthetic microorganisms There is a problem in that it is difficult to maintain the uniformity of and inorganic salt concentration, making it difficult for an efficient mass culture process.

Accordingly, in the case of photosynthetic spirulina in Korea, it is dependent on imports due to problems such as sunlight and temperature due to seasonal climates during cultivation.

In addition, in the case of a culture system using a culture device, effective illuminance can be maintained and high productivity can be expected, and the loss of carbon dioxide required for photosynthesis is insignificant as well as prevention of contamination by a closed structure, and various factors for production are checked and controlled. However, the growth of sparulina is lowered because gas exchange is not easily performed inside the culture pipe, and as the culture solution is injected from the upper layer of the culture tank and falls to the lower side, bubbles are generated by the culture solution. There is a problem being

Looking at the prior art, Korean Patent Application Laid-Open No. 10-2010-0113179 (published date: October 21, 2010) has devised a tubular spirulina culture apparatus, which includes a cylindrical culture tank, a gas inlet located at the bottom of the culture tank, A plurality of sensor mounting ports, a culture solution inlet, a culture solution outlet and a culture solution outlet, a pressure control valve and a spray ball positioned on the upper part of the culture tank, a light source and agitator positioned inside the culture tank, and the outside of the culture tank A culture unit provided with an attached temperature controller, a culture medium inlet communicating with the culture medium outlet of the culture unit, a pump unit provided with a pump and a culture solution outlet, and a culture medium inlet communicating with the culture solution outlet of the pump unit, a culture with a light source attached in the longitudinal direction It consists of a pipe and a pipe part provided with a culture solution outlet communicating with the culture solution inlet of the culture solution production unit.

The spirulina culture apparatus according to the prior art is expected to have an effect of increasing culture efficiency by preventing adhesion of spirulina to the surface of the culture apparatus, but there is a problem that gas exchange is not easy as mentioned above. In addition, since gas exchange is very important when culturing photosynthetic microorganisms in liquid phase, the gas exchange is not performed properly due to the short distance and time according to the gas exchange in the prior art. there was

In addition, since most of the microalgae culture apparatus according to the prior art were culturing microalgae in a culture tank, the light required for photosynthesis was not evenly transmitted to the microalgae in the center of the culture tank, so photosynthesis was not smooth. There was a problem in that the microalgae located in the center of the tank was killed.

In addition, the microalgae culture apparatus according to the prior art has a problem in that the culture of microalgae is smoothly performed only when a constant temperature is maintained, and for this, a lot of energy must be used.

. Patent Document 1: Republic of Korea Patent Publication No. 10-2010-0113179 (published date: 2010.10.21)

An object of the present invention is that, in the process of culturing microalgae, light does not reach the center of the culture tube due to the increase in the number of microalgae and the increase in density. Culture stagnates or dies. To solve this problem, the microalgae in the center of the culture tube are continuously circulated toward the outer wall of the culture tube, so that the microalgae inside the culture tube receive light evenly and photosynthesis is provided. have.

Another object of the present invention is to provide a means for efficiently controlling the temperature of a culture medium circulating in a microalgal culture tube using a small amount of energy.

Another object of the present invention is to provide a convergence building structure for agriculture and fishery industry to which a microalgae light culture device is applied.

In addition, the problem to be solved by the present invention is not limited to the technical problems mentioned above, and other technical problems not mentioned are clearly to those of ordinary skill in the art to which the present invention belongs from the description below. can be understood

The above object is, according to the present invention, an outer tube made of a transparent material and formed of a hollow tube and arranged vertically; At least one vertical double pipe consisting of an inner pipe in which the outlet hole is formed; Both ends are connected to the culture solution storage tank, arranged horizontally, coupled to communicate with the lower end of the vertical double tube, and at the bottom of a position corresponding to the lower end of the inner tube, while moving the culture solution upward of the inner tube for agitation a horizontal transfer pipe provided with a diffuser member for aeration; and a gas discharge member coupled to the upper end of the outer pipe to prevent the inflow of pollutants and to discharge the gas generated from the vertical double pipe to prevent pressure rise inside the vertical double pipe, and by the aeration diffuser member In a microalgae light culture device using a vertical double tube, characterized in that the culture solution of the inner tube moves upward and flows into the outer tube through the outlet hole and then circulates to the culture solution storage tank through the horizontal transfer tube. achieved by

A gap maintaining member is provided between the outer tube and the inner tube so that the inner tube maintains a constant distance from the inner surface of the outer tube inside the outer tube, and the space maintaining member is formed in a ring shape, It may include an external coupling part that is in close contact with the inner surface of the external pipe, an internal coupling part formed in a ring shape to which the internal pipe is fitted, and a plurality of connecting parts connecting the external coupling part and the internal coupling part.

The lower end of the inner tube may be provided with a gap of 1-4 cm from the upper surface of the aeration member, and a plurality of inlet holes may be formed around the lower end of the inner tube.

The vertical double pipe is formed in plurality and is coupled to the horizontal conveying pipe by maintaining a predetermined interval, and the aeration diffuser member may be provided in a number corresponding to the number of the vertical double pipe, respectively.

The horizontal transfer pipe provided with the aeration member for aeration and the plurality of vertical double tubes respectively coupled to the horizontal transfer tube form one light culture module, and the end of the horizontal transfer pipe constituting the light culture module is optional As connected or separated, each of the light culture modules is connected or separated from each other and may be configured to add or subtract the culture capacity of microalgae.

In the inlet line and the outlet line of the culture solution storage tank, a transfer pump for circulating and transferring the culture solution may be provided, respectively.

The gas discharge member includes a cover member having a discharge port and coupled to the upper end of each of the outer tubes, and a discharge pipe for collecting and discharging the gas discharged through each of the discharge ports by connecting the discharge ports of each of the cover members or a relief valve configured to be opened at a predetermined pressure and provided on each of the cover members.

A first temperature control means for controlling the temperature of the culture solution is provided on the bottom surface of the culture solution storage tank, and the first temperature control means may consist of a first heating element that is heated by the supplied power.

* The aeration member for aeration is provided with a second temperature control means for controlling the temperature of the circulating culture medium, and the second temperature control means includes an air supply pipe for supplying filtered air to the aeration member. ; and a second heating element configured to be heated by the supplied power and provided in the air supply pipe.

The above object is, according to the present invention, as a convergence building structure for agriculture and fishery industry having a microalgae light culture device using a vertical double tube, and is separated from the outside by a wall, a roof, and a door. A culture space in which the microalgae light culture device is installed Formed in the culture space, microalgae light culture, characterized in that the third temperature control means for controlling the temperature of the culture space or for controlling the temperature of the culture medium circulating the microalgae light culture device is provided It is achieved by a convergence building structure for agriculture and fishery industry having a device.

A panel for solar power generation may be installed on the roof or wall.

The third temperature control means may include: an underground heat exchange pipe having an inlet pipe and an outlet pipe exposed to the culture space, buried underground, and accommodating thermal oil; and an air circulation member including an air inlet and an air outlet exposed to the culture space, the middle of which is composed of a plurality of divided tubes and is coupled to the inside of the underground heat exchange tube to maintain airtightness, and to the air inlet. The air, which is introduced and discharged to the air outlet after passing through the split pipe, is heat-exchanged by the heat medium oil accommodated in the underground heat exchange pipe to be heated or cooled.

The third temperature control means may include: a rainwater storage tank tank that is configured to store filtered rainwater collected from the eaves of the roof and buried underground; and a culture medium circulating pipe branched from the microalgal light culture device and piped inside the rainwater storage tank tank so that the culture solution is selectively circulated by opening and closing the valve, and the culture solution circulating the microalgae light culture device is said It may be configured to circulate through the culture medium circulation tube to control the temperature of the culture medium.

The rainwater storage tank tank may further include a cooling and heating device for controlling the temperature of the stored rainwater.

The culture medium circulation pipe is composed of an underground water inlet pipe having a water inlet valve and an underground water outlet pipe having a water outlet valve, and the ends of the underground water inlet pipe and the underground water outlet pipe communicate with the circulation pipe of the microalgae light culture device, respectively. And, the circulation pipe between the underground water inlet pipe and the underground water outlet pipe is provided with a ground circulation on/off valve, and the culture medium circulating the microalgae light culture device can The temperature can be controlled by heat exchange while circulating the culture medium circulation tube.

The above object is, according to the present invention, as a building structure including a roof provided with a panel for photovoltaic power generation and a wall forming a wall surface, the wall being made of a glass greenhouse forming a side wall culture space, the glass In the side wall culture space formed by the greenhouse, a transparent culture tube in which a culture medium for culturing microalgae circulates is installed in succession in a vertical or horizontal direction, and each end of the transparent culture tube is provided with a circulation pump and connected to a culture medium storage tank It is achieved by a convergence building structure for agriculture and fishery industry having a microalgae light culture device, characterized in that it is.

In the interior of the building structure, an apparatus for hydroponic cultivation, an apparatus for plant cultivation, an apparatus for aquaponics or aquaculture are provided, and hydroponics, plant cultivation, aquaponics or aquaculture may be performed.

Inside the building structure, a fourth temperature control means for controlling the air temperature of the inner space and the side wall culture space of the building structure is provided, the fourth temperature control means is embedded in the basement of the building structure, the entrance And the outlet is an underground buried pipe for heating and cooling exposed to the inner space or side wall culture space; and an air heating/cooling device provided at the inlet or outlet to heat or cool the air circulated to the underground buried pipe for heating and cooling by a blower.

The underground buried pipe for heating and cooling may be disposed on the bottom of the rainwater storage tank or aquaculture tank when the rainwater storage tank or aquaculture tank is buried.

The above object, according to the present invention, as a building structure consisting of an indoor or outdoor onshore farm, the upper part of which is open, except for the upper part area, the rest of the fish tank is buried; a plurality of pillar members provided in the upper end area of the fish tank; Panels provided on the upper end of the pillar members to form a roof, and configured to generate solar power; And microalgae culture tubes disposed in the horizontal or vertical direction to form a wall in the edge region of the aquarium tank, and a culture medium connected to the microalgae culture tubes to circulate the microalgae culture tubes is stored in a culture medium storage tank It is achieved by a convergence building structure for agriculture and fishery industry having a microalgae light culture device, characterized in that it comprises a microalgae light culture device consisting of.

At the bottom of the panels, eaves are provided to prevent rainwater from flowing into the aquarium, and rainwater collected by the eaves is filtered and then accommodated in a rainwater storage tank buried underground. It can be fed into a tank or configured for use as agricultural water.

According to the present invention, as the microalgae are configured to circulate inside the vertical double tube, light easily reaches the center of the microalgae culture tube, photosynthesis occurs in the center, and each individual microalgae can be uniformly and smoothly cultured. be able to provide That is, as the microalgae in the inner tube are repeatedly circulated to the outer tube, light is evenly received and photosynthesis is facilitated, thereby providing the effect that each individual microalgae can be uniformly and smoothly cultured.

In addition, since the temperature control of the culture medium circulating in the microalgal culture tube or the culture space is performed by geothermal heat, it is possible to provide the effect of temperature control with little energy.

In addition, it is possible to provide the effect of providing a microalgae light culture device and a panel for solar power generation and a convergence building structure for agriculture and fishery industry to utilize rainwater.

1 is a schematic configuration diagram showing an apparatus for culturing microalgae light using a vertical double tube according to a first embodiment of the present invention.
FIG. 2 is a cross-sectional view illustrating the vertical double tube shown in FIG. 1 .
3 is a perspective view illustrating a state in which the vertical double tube and the horizontal transfer tube shown in FIG. 1 constitute one light culture module, and each light culture module is connected.
4 is a bottom perspective view illustrating a pipe of an aeration member provided on a bottom surface of each light culture module shown in FIG. 3 .
5 is a schematic configuration diagram illustrating a state in which each light culture module shown in FIG. 3 is connected to a culture solution storage tank.
Figure 6 is a perspective view showing a microalgae light culture apparatus using the vertical double tube shown in Figure 5.
7 is a bottom perspective view of a culture solution storage tank showing a first temperature control means provided in the culture solution storage tank shown in FIG. 1 .
FIG. 8 is a schematic configuration diagram illustrating a second temperature control means provided in the diffuser member for aeration shown in FIG. 1 .
9 is a schematic configuration diagram showing a convergence building structure for agriculture and fishery industry having a microalgae light culture device using a vertical double tube according to the present invention.
10 is a schematic cross-sectional view for explaining the third temperature control means provided in the agricultural and fishery industry convergence building structure shown in FIG. 9 .
11 is a schematic perspective view showing the third temperature control means shown in FIG.
12 and 13 are schematic configuration diagrams illustrating another embodiment of the third temperature control means shown in FIG. 10 .
14 (a) and (b) are schematic diagrams showing a convergence building structure for agriculture and fishery industry having a microalgae light culture device according to another embodiment of the present invention.
15 (a) and (b) are schematic configuration diagrams showing another embodiment of the convergence building structure for agriculture and fishery industry shown in FIG. 14 .
16 is a schematic cross-sectional view for explaining the fourth temperature control means of the agricultural and fishery industry convergence building structure shown in FIG. 14 .
17 and 18 are schematic diagrams showing a convergence building structure for agriculture and fishery industry having a microalgae light culture device according to another embodiment of the present invention.
19 is a schematic configuration diagram for explaining a state in which the microalgae light culture apparatus and the building structure according to the present invention are remotely controlled.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, in describing the present invention, descriptions of already known functions or configurations will be omitted in order to clarify the gist of the present invention.

In addition, the terms used herein are for the purpose of describing the embodiments and are not intended to limit the present invention. In this specification, the singular also includes the plural, unless specifically stated otherwise in the phrase. As used herein, 'comprises' and/or 'comprising' does not exclude the presence or addition of one or more other elements.

Among the accompanying drawings, FIG. 1 is a schematic configuration diagram showing a microalgae light culture apparatus using a vertical double tube according to a first embodiment of the present invention, and FIG. 2 is a cross-sectional view showing the vertical double tube shown in FIG. 1, 3 is a perspective view illustrating a state in which the vertical double tube and the horizontal transfer tube shown in FIG. 1 constitute one light culture module, and each light culture module is connected. In addition, FIG. 4 is a bottom perspective view showing the piping of the aeration member provided on the bottom of each light culture module shown in FIG. 3 , and FIG. 5 is a state in which each light culture module shown in FIG. 3 is connected to a culture solution storage tank. is a schematic configuration diagram expressing a, and FIG. 6 is a perspective view showing a microalgae light culture apparatus using the vertical double tube shown in FIG. 5 .

As shown in FIGS. 1 to 6 , the microalgae light culture apparatus 10 using a vertical double tube according to the present invention is a vertical double tube 20 and a horizontal transfer tube 30 and a culture solution storage tank 40 . After the culture solution of the inner tube 22 is moved upward by the aeration member 50 provided in the horizontal transfer tube 30 and the outer tube 24 is introduced through the outlet hole 22A, It is to be circulated to the culture solution storage tank 40 through the horizontal transfer pipe (30).

This microalgae light culture device 10, after the culture solution is introduced into the inner tube 22 from the horizontal transfer tube 30, moves upward and circulates back to the horizontal transfer tube 30 through the outer tube 24. When the microalgae are cultured at a constant concentration, each individual can be uniformly cultured in the vertical double tube 20 by compensating for the disadvantage that light cannot reach the inner center so that each individual of the microalgae can receive light uniformly and perform photosynthesis. be able to

This microalgae light culture device 10 will be described in more detail.

The vertical double tube 20 is for exposing the culture medium to light so that the microalgae are cultured by photosynthesis. It is formed of a hollow tube and is vertically installed in the inner center of the outer tube 24 and consists of an inner tube 22 in which an outlet hole 22A is formed in the upper region. Such a vertical double pipe 20 may be composed of one, but in the present embodiment, it will be described on the basis that it is composed of a plurality.

The diameter or length of the above-described outer tube 24 and inner tube 22 is formed differently depending on the scale of the microalgae light culture apparatus 10, in this embodiment, the diameter of the outer tube 24 is 140mm, The diameter of the inner tube 22 will be described based on 70 mm, and the inner tube 22 and the outer tube 24 are made of a transparent plastic (PE, PC, PP, acrylic, etc.) material.

In this way, the vertical double tube 20 is vertically arranged with the inner tube 22 and the outer tube 24, so that the microalgae of the inner tube 22 are horizontal in order to facilitate the photosynthetic action of the microalgae. By repeatedly circulating through the outlet hole 22A of the upper end of the inner tube 22 by the aeration diffuser 50 provided in the transfer tube 30 to the outer tube 24, each individual of the microalgae receives light evenly This is to ensure that photosynthesis is performed uniformly and smoothly. And, the aeration member 50 is to smoothly agitate the culture solution of the inner tube 22 with the culture solution of the outer tube 24 while the air for aeration rises upwardly inside the inner tube 22 during operation. .

As shown in FIG. 2 , between the outer tube 24 and the inner tube 22 , the inner tube 22 maintains a constant distance from the inner surface of the outer tube 24 inside the outer tube 24 . A plurality of gap maintaining members 26 are provided for the purpose. The spacing member 26 is formed in a ring shape and is in close contact with the inner surface of the outer tube 24, an outer coupling portion 26A, and formed in a ring shape, an inner coupling portion 26B to which the inner tube 22 is fitted. and a plurality of connecting ribs 26C connecting the outer coupling portion 26A and the inner coupling portion 26B. Since a plurality of spacing members 26 configured as described above are installed between the outer tube 24 and the inner tube 22, the inner tube 22 and the outer tube 24 maintain a constant distance.

On the other hand, as shown in FIG. 1 , the lower end of the inner tube 22 maintains a gap of 1-4 cm from the upper surface of the aeration diffuser 50 , and a plurality of inflows around the lower end of the inner tube 22 . A ball 22B is formed. This coupling structure is to allow the aeration air to smoothly flow into the inner tube 22 when the aeration diffuser 50 is operated. In particular, by making the distance between the lower end of the inner tube 22 and the aeration member 50 less than 3 cm, and forming inlet holes 22B having a diameter of 1.2 to 1.5 cm at a position of 2-3 cm upward from the lower end, When the aeration member 50 is operated, the aeration air is smoothly introduced into the inner tube 22 and moved upward, and at the same time, the culture solution is introduced into each inlet hole 22B to move upward of the inner tube 22. have.

And, by this structure, the culture solution located at the bottom of the horizontal transfer pipe 30 moves to the inner tube 22 , and the culture solution flowing out from the outer tube 24 may circulate to the culture solution storage tank 40 .

The horizontal transfer pipe 30, both ends are connected to the culture solution storage tank 40 to circulate the culture solution, are arranged horizontally, and are coupled to communicate with each lower end of the vertical double pipes 20 . That is, the lower end of the outer tube 24 constituting the vertical double tube 20 is coupled to communicate with the upper surface of the horizontal transfer tube 30, and the inner tube 22 has a lower end of the aeration diffuser member 50 installed on the inner floor. installed close to the And at the bottom of the horizontal transfer tube 30 at a position corresponding to the lower end of the inner tube 22, an aeration member 50 for stirring while moving the culture solution introduced into the inner tube 22 upward is provided.

The horizontal transfer pipe 30 serves to circulate and temporarily accommodate the culture medium, and serves to vertically support a plurality of vertical double pipes 20 . It also serves as a structure in which the aeration diffuser 50 is installed.

The aeration member 50 for aeration serves to transport the culture solution upward while forcibly discharging air while stirring, and is provided at the bottom of the horizontal transport pipe 30 with a number corresponding to the number of each inner pipe 22 . Aeration air outlets 52 for discharging the supplied aeration air, an aeration pipe 54 connecting each aeration air outlet 52, and aeration air to the aeration pipe 54 It includes an air generator 56 for aeration for forced supply. At this time, the lower end of each inner tube 22 is installed close to the upper surface of the air outlet 52 for aeration.

The aeration air is discharged to the inner tube 22 by the aeration member 50 for aeration and moves upward while agitating the culture solution and transferring the culture solution upward, and also serves to control the temperature of the culture solution. will do That is, by discharging in a state in which the temperature of the aeration air is lowered or raised to a required temperature, the temperature of the culture medium in contact with the aeration air may be lowered or increased.

The above-mentioned vertical double pipe 20 is made up of a plurality and is vertically coupled to the horizontal conveying pipe 30 by maintaining a predetermined distance, and the aeration air outlet 52 of the aeration diffuser 50 is each vertical double pipe 20 ) is provided with a number corresponding to the number of

In addition, a horizontal transfer pipe 30 having a diffuser member 50 for aeration and a plurality of vertical double tubes 20 respectively coupled to the horizontal transfer pipe 30 form one light culture module (M).

The light culture module M having such a structure may be used alone, or as shown in FIG. 3 , a plurality of light culture modules M may be connected in series to form a single culture system.

In particular, as the ends of the horizontal transfer pipe 30 constituting the light culture module (M) are selectively connected or separated, each light culture module (M) is connected to or separated from each other so that the culture capacity of microalgae can be added or subtracted. do. That is, when culturing microalgae on a small scale, one or two - three light culture modules (M) are connected, and when culturing microalgae on a large scale, three or more light culture modules (M) are connected. that purpose can be achieved.

It is possible to configure the light culture module (M) in this way, the microalgae light culture device 10 according to the present invention is a horizontal transfer tube 30 and a plurality of vertical double tubes independent of the horizontal transfer tube 30 ( 20) is possible because they are vertically arranged and combined.

The gas discharge member 60 covers the upper end of the vertical double pipe 20 to block the inflow of foreign substances and to discharge the gas and aeration air generated in the vertical double pipe 20, the outer pipe 24 It is coupled to the upper end to prevent the inflow of contaminants including foreign substances and discharges the gas and aeration air generated in the inner tube 22 and the outer tube 24 of the vertical double pipe 20 to the pressure inside the vertical double pipe 20 It is configured to prevent ascent.

As shown in FIG. 1 , the gas discharge member 60 includes a cover member 62 having an outlet 62A and coupled to the upper end of each outer tube 24 , and each cover member 62 . It consists of a discharge pipe 64 for collecting and discharging the gas discharged through each discharge port 62A by connecting the discharge ports 62A. Since each cover member 62 is provided with a packing and is coupled to each outer tube 24, it is possible to prevent gas and aeration air from leaking into an unintended area. As each outlet 62A is connected to the discharge pipe 64 in this way, it is possible to prevent gas and aeration air from being discharged to an unintended area.

Meanwhile, as shown in FIG. 3 , the gas discharge member 60 may be configured to be opened at a predetermined pressure and may include a relief valve 66 provided on each cover member 62 . In this way, since the gas discharge member 60 is constituted by the relief valve 66, the discharge pipe 64 piping work for connecting the discharge port 62A of each cover member 62 can be deleted.

The culture solution storage tank 40 is provided with a transparent window for storing and circulating the culture solution circulated through the horizontal transfer pipe 30 again. The culture medium storage tank 40 is provided with a stirrer 43 operated by a motor in the center of the inside, and an automatic on/off valve 45 that is opened when the internal air pressure rises to a predetermined pressure is installed at the upper end thereof, and a light culture module ( An inlet line 42A through which the culture medium circulated M) is introduced and an outlet line 42B for circulating the stored culture medium back to the light culture module M are respectively provided. At this time, in the inlet line (42A) and the outlet line (42B) of the culture solution storage tank 40, a transfer pump 44 for circulating and transporting the culture solution is provided, respectively. The process in which the culture medium circulates through each light culture module M by such a transfer pump 44 can be made smoothly. At this time, the transfer pump 44 installed in the inlet line 42A serves to draw the culture solution, and the transfer pump 44 installed in the outlet line 42B serves to push the culture solution. This is to prevent the horizontal transfer pipe 30 from being damaged by hydraulic pressure when the transfer pump only serves to push, and the horizontal transfer pipe 30 allows the culture medium to circulate smoothly at a constant speed so that the microalgae are horizontally transferred. This is to prevent it from being precipitated and destroyed at the bottom of the tube 30 .

On the other hand, in the culture solution storage tank 40, a temperature sensor 41 for detecting the temperature inside the culture solution storage tank 40, a carbon dioxide sensor for measuring the amount of carbon dioxide, a PH sensor for measuring PH and an operation unit 46 having a display capable of confirming the results detected and measured by these sensors is provided on the outside. Of course, the operation unit has a function of supplying and blocking power and a function of controlling various sensors. And a valve 47 (a kind of aeration device) capable of supplying carbon dioxide is mounted on the lower end (bottom surface) of the culture solution storage tank 40, and a sample outlet 48 capable of collecting the culture solution as a sample is provided with a valve. And, an outlet 49 for harvesting microalgae by discharging the culture solution to the harvester is provided with a valve.

On the other hand, the survival temperature of microalgae varies depending on the type, but is approximately 10 - 40 °C. To this end, a means for properly maintaining the temperature of the culture medium to be circulated or stored is provided at the bottom of the culture solution storage tank 40 . That is, the first temperature control means (80A) for controlling the temperature of the culture solution accommodated in the culture solution storage tank (40) is provided. The first temperature control means (80A) is made of a first heating element (82A) made of a heating wire or the like that is heated by the power supplied. As described above, the first heating element 82A is installed on the bottom surface of the culture solution storage tank 40 as shown in FIG. 7 , and thus the culture solution stored in the culture solution storage tank 40 as the first heating element 82A is controlled in the winter season. can increase the temperature of

Of course, if a cooling device is installed on the bottom of the culture solution storage tank 40, it will be possible to lower the temperature of the culture solution stored in the culture solution storage tank 40 in summer.

On the other hand, another embodiment for controlling the temperature of the circulating culture medium is shown in FIG. As shown in FIG. 8 , the aeration member 50 for aeration is provided with a second temperature control means 80B for controlling the temperature of the circulating culture medium. The second temperature control means (80B) is configured to generate heat by an air supply pipe (84A) for supplying the filtered air to the aeration diffuser member (50), and the supplied power supply to the air supply pipe (84A). It consists of a second heating element (84B) provided. At this time, one end of the air supply pipe 84A is connected to the aeration pipe 54 , and the other end of the air supply pipe 84A is connected to the aeration air generator 56 for forcibly supplying the aeration air. Therefore, when the aeration air generator 56 is operated in a state in which the second heating element 84B is heated, the air heated by the second heating element 84B flows to the inner tube 22 through the aeration air outlet 52. Since it is supplied, the temperature of the circulating culture medium can be controlled, and in particular, this second temperature control means 80B can be used in the winter season. Of course, when a cooling device is installed in the air supply pipe 84A, the cooled air is supplied to the aeration air outlet 52, so it can be usefully utilized to lower the temperature of the culture solution in summer.

The microalgae light culture apparatus 10 using a vertical double tube according to the present invention configured as described above operates as follows.

1, by the operation of the transfer pump 44 installed in the inlet line 42A and the outlet line 42B of the culture liquid storage tank 40, the culture liquid is supplied to the horizontal transfer pipe 30 and then again The culture solution is introduced into the storage tank (40). As described above, when the culture medium circulates through the horizontal transfer pipe 30 , the aeration air is discharged to the inner tube 22 by each aeration air outlet 52 , so that some of the culture medium flows into the inner tube 22 and then upwards. It is agitated at the same time it is transferred to the

Then, the microalgae of the culture medium transferred upward from the inside of the inner tube 22 is grown by photosynthesis by the light introduced through the outer tube 24 and the inner tube 22 .

On the other hand, the culture solution containing microalgae grown while moving upward of the inner tube 22 is introduced into the outer tube 24 through the outlet hole 22A formed at the top of the inner tube 22 . The culture solution introduced into the outer tube 24 is again introduced into the horizontal transfer tube 30 and circulated, some of which circulates back to another adjacent inner tube 22 , and the remaining portion is circulated into the culture medium storage tank 40 .

In this way, the culture medium is cultured in the process of circulating each light culture module (M), and microalgae can be harvested from the culture medium introduced into the culture medium storage tank (40). In particular, the vertical double tube 20 in which microalgae is cultured is vertically installed by being made up of an inner tube 22 and an outer tube 24, so that the culture solution of the inner tube 22 is circulated to the outer tube 24 and the vertical double tube 20 ) (Inner tube) By receiving light evenly to the microalgae in the center, photosynthesis of microalgae can be made uniformly and smoothly, and the light culture module (M) can be configured to control the amount of microalgae cultured according to the conditions be able to

Of the accompanying drawings, FIG. 9 is a schematic configuration diagram illustrating a convergence building structure for agriculture and fisheries industry having a microalgae light culture device using a vertical double tube according to the present invention, and FIG. It is a schematic cross-sectional view for explaining the third temperature control means provided in the structure, and FIG. 11 is a schematic perspective view showing the third temperature control means shown in FIG. 10 .

As shown in FIGS. 9 to 11 , a convergence building structure 100 for agriculture and fishery industry having the microalgae light culture device 10 using the above-described vertical double tube is provided.

The agricultural and fishery industry convergence building structure 100 is separated from the outside by the wall 110 and the roof 120 and the door to form a culture space (S) in which the microalgae light culture device 10 is installed, and the culture space ( S) is provided with a third temperature control means (80C) for controlling the temperature of the culture space (S), or for controlling the temperature of the culture medium circulating the microalgae light culture device (10).

At this time, the light culture module (M) constituting the microalgal light culture apparatus 10 may be installed in the culture space (S), but as shown in FIG. 12, the side wall culture space (S2) formed in the wall 110 ) can be installed. At this time, the light culture module (M) may be installed vertically or horizontally, and the side wall culture space (S2) may be made of a transparent glass wall or a vinyl wall so that light for photosynthesis of microalgae is transmitted. In addition, the culture space (S) or the wall culture space (S2) is provided with a light (L) (LED light) for photosynthesis of microalgae even on cloudy days or at night. Electricity used in the lighting (L) is produced by the solar panel (P) of the roof (120).

Convergence building structure 100 for agriculture and fishery industry is made of a glass greenhouse or a vinyl greenhouse, and the above-described microalgae light culture device 10 is installed in the culture space (S). And, on the roof 120 or the wall 110, a panel for photovoltaic power generation is installed. This solar panel (P) is for producing power required in the agricultural and fishery industry convergence building structure 100 and the microalgae light culture device (10).

And, the third temperature control means (80C), as shown in FIGS. 9 to 11, is provided with an inlet pipe (86A) and an outlet pipe (86B) exposed to the culture space (S) and is buried underground, The underground heat exchange pipe 86C in which the heat medium oil is accommodated, the air inlet 87A and the air outlet 87B are exposed to the culture space S, and the middle consists of a plurality of split pipes 87C. ) consists of an air circulation member (87E) consisting of a heat exchange unit (87D) coupled by maintaining airtightness inside. At this time, it is preferable that a blower is provided at the air inlet 87A and the air outlet 87B for smooth circulation of air.

The third temperature control means 80C having this structure is a heating medium in which the air introduced into the air inlet 87A and discharged to the air outlet 87B after passing through each split pipe 87C is accommodated in the underground heat exchange pipe 86C. The temperature of the culture space (S) can be controlled by being heat-exchanged by oil and then discharged to the culture space (S) through the air outlet (87B) again after the temperature is raised or cooled. At this time, the temperature of the air discharged to the air outlet 87B may vary according to the temperature of the thermal oil. However, since the underground heat exchange pipe 86C is buried underground, the temperature of the thermal medium oil accommodated in the underground heat exchange pipe 86C by geothermal heat can always be maintained constant. That is, it can maintain the temperature of about 15 - 25 ℃ even in winter or summer.

As such, the temperature of the culture space (S) is adjusted to a temperature suitable for culturing microalgae by the third temperature control means (80C) using geothermal heat, so that electric energy and other fossils for controlling the temperature of the culture space (S) The use of fuel can be significantly reduced. In particular, electricity is produced by the solar panel (P) provided on the wall (110) or the roof (120), and the electric power used for the agricultural and fishery industry convergence building structure (100) is self-contained by the solar panel (P). By being produced, energy savings can be achieved.

Meanwhile, the third temperature control means 80C may be configured as shown in FIGS. 12 and 13 .

That is, the rainwater storage tank 88A is configured to store the filtered rainwater collected from the eaves of the roof 120 and is buried underground, and the culture medium is branched from the microalgae light culture device 10 and the culture solution is released by opening and closing the valve. It consists of a culture medium circulation pipe (88B) piped to the inside of the rainwater storage tank tank (88A) to selectively circulate. At this time, a filtering device (88C) for filtering rainwater is provided between the eaves and the rainwater storage tank (88A). In addition, the rainwater storage tank 88A further includes a cooling/heating device 88D for controlling the temperature of the stored rainwater. The cooling/heating device 88D increases the temperature of rainwater stored in winter and lowers the temperature of rainwater stored in summer, so that the temperature of the culture medium circulating through the culture medium circulation pipe 88D can be uniformly adjusted to a set temperature.

On the other hand, the culture fluid circulation pipe 88B is composed of an underground water inlet pipe 88B-1 having an inlet valve B1 and an underground water outlet pipe 88B-2 having an outlet valve B2, and the underground water inlet pipe Each end of the 88B-1 and the underground water outlet pipe 88B-2 communicates with the circulation pipe 31 (a pipe connected to the horizontal transport pipe) of the microalgae light culture device 10, respectively, and the underground inlet pipe 88B The circulation pipe 31 between -1) and the underground water outlet pipe 88B-2 is provided with a ground circulation opening/closing valve B3. Therefore, the culture medium circulating the microalgal light culture device 10 is heat exchanged while circulating the culture medium circulation pipe 88B according to the opening and closing of the inlet valve B1, the water outlet valve B2, and the ground circulation on/off valve B3. is regulated

By this structure, the culture medium circulating in the microalgae light culture apparatus 10 is circulated to the culture medium circulation tube 88B to control the temperature of the culture medium.

Of the accompanying drawings, FIGS. 14 (a) and (b) are schematic diagrams illustrating a convergence building structure for agriculture and fishery industry having a microalgae light culture device according to another embodiment of the present invention.

As shown in FIG. 14, the convergence building structure 100 for agriculture and fishery industry having a microalgae light culture device 10 according to another embodiment is a roof 120 provided with a panel P for photovoltaic power generation. and a wall 110 forming a wall surface. And, the wall 110 is made of a glass greenhouse 112 that forms a side wall culture space (S2), and in the side wall culture space (S2) formed by the glass greenhouse 112, a culture medium for culturing microalgae is circulated. A transparent culture tube 35 is installed one after another in the vertical or horizontal direction. And, each end of the transparent culture tube 35 is provided with a circulation pump and is the same as the above-described inventions except that it has a structure connected to the culture solution storage tank 40 .

At this time, the transparent culture tube 35 may be formed of a vertical double tube 20 as shown in FIG. 1 .

As described above, since the wall surface of the building structure 100 is made of a glass greenhouse 112 that forms the side wall culture space S2, light is transmitted from the outside, so that the culture of microalgae can be made smoothly, and the building structure 100 inside Electrical energy for lighting can be saved.

In addition, since the wall 110 of the building structure 100 is made of the glass greenhouse 112 forming the side wall culture space S2, the thermal insulation effect is maximized, and energy for heating in winter and energy for cooling in summer are remarkable. can save considerably.

In particular, since the transparent culture tube 35 of the microalgae light culture device 10 is made of the glass greenhouse 112, the culture space S of the building structure 100, that is, the interior, can be utilized for various purposes. For example, as shown in FIGS. 15 (a) and (b), a device for hydroponics, a device for plant cultivation, aquaponics or a device for aquaculture is installed inside the building structure 100, Hydroponics, plant cultivation, aquaponics or aquaculture can be made.

However, the present invention is not limited thereto, and the interior of the building structure 100 can be used for a variety of purposes, such as a space for aquaculture and plant cultivation, as well as a space for office work and other living spaces.

At this time, as shown in Figure 16, the building structure 100 is provided with a fourth temperature control means (80D).

That is, inside the building structure 100, a fourth temperature control means 80D for controlling the air temperature of the inner space S3 and the side wall culture space S2 of the building structure 100 is provided, and the fourth The temperature control means 80D is buried in the basement of the building structure 100, and the inlet 89B and the outlet 89C are exposed to the inner space S3 or the side wall culture space S2. 89A), and an air heating and cooling device 89E provided at the inlet 89B or outlet 89C to heat or cool the air circulated to the underground buried pipe 89A for heating and cooling by the blower 89D. do.

At this time, the underground buried pipe 89A for heating and cooling is disposed on the bottom of the rainwater storage tank 88A or the water tank 130 for aquaculture, when the rainwater storage tank 88A or the fish tank 130 is buried. . This is to allow the air circulating the underground buried pipe 89A for heating and cooling to exchange heat with rainwater or water for aquaculture that is affected by geothermal heat at the bottom of the rainwater storage tank 88A or the tank 130 for aquaculture. . In this case, energy for operating the air heating and cooling device 89D can be saved.

In addition, the air heating and cooling device (89E) or the microalgae light culture device (10), and other crop cultivation, electric energy for farm operation is produced by the solar panel (P) provided on the roof (120), heating and cooling Since the underground buried pipe 89A is affected by geothermal heat, the electrical energy used in the building structure 100 is minimized and can be saved.

Among the accompanying drawings, FIGS. 17 and 18 are schematic diagrams showing a convergence building structure for agriculture and fishery industry having a microalgae light culture device according to another embodiment of the present invention.

As shown in FIGS. 17 and 18, the agricultural and fishery convergence building structure 100 having a microalgae light culture device according to another embodiment is the above-described embodiment, except that it consists of an indoor or outdoor land aquaculture farm. same as

That is, in the building structure 100 according to another embodiment, the upper part is opened, the fish tank 130 in which the rest except for the upper part area is buried, and the plurality of the aquaculture tanks provided in the upper part 132 of the fish tank 130 . The pillar members 140 and the panel P provided on the upper end of the pillar members 140 to form the roof 120 and to generate photovoltaic power, and the edge region of the fish tank 130 in the horizontal direction or The microalgae culture tubes 27 arranged in the vertical direction to form a wall, and the culture medium storage tank 40 in which the culture medium circulating the microalgae culture tubes 27 is connected to the microalgae culture tubes 27 is stored. It will include a microalgae light culture device (10) made.

And, on the bottom surface of the panels (P), the eaves 135 for preventing rainwater from flowing into the fish farm tank 130 are provided, and rainwater collected by the eaves 135 is filtered and then rainwater stored underground. It is accommodated in the water tank tank (88A).

The building structure 100 for indoor or outdoor aquaculture configured in this way, the wall 110 is made of microalgae culture tubes 27 having a function for culturing microalgae, so that aquaculture and microalgae culture Not only can it be achieved at the same time, but also energy saving can be achieved by producing and supplying electric power required for aquaculture and microalgae culture in the panel P of the roof 120 .

In addition, rainwater stored in the rainwater storage tank 88A can be supplied to the fish farm tank 130 or used as agricultural water as needed, thereby saving water.

In addition, the microalgae light culture device 10 is provided in the building structure 100, so that the microalgae harvested from the microalgae light culture device 10 may be provided as feed (food) of aquatic organisms to be cultured.

On the other hand, the microalgae light culture device 10 and the building structure 100 described above may be remotely controlled by the control device. For example, as shown in FIG. 19 , a photovoltaic power generation device and a power storage device by the photovoltaic panel P of the microalgae light culture device 10 and the building structure 100 are controlled by the control device 200 . By configuring the remote management server 300 and the control device 200 to exchange data with each other by the communication unit 400 including wireless communication and the like, and electrically connected to, the manager can remotely control the microalgae light culture device ( 10) and the building structure 100 can be controlled.

In addition, the administrator can control the microalgae light culture device 10 and the building structure 100 while moving from a distance after accessing the management server 300 using the portable terminal 500 equipped with the remote management control application. There will be.

In the foregoing, specific embodiments of the present invention have been described and illustrated, but it is common knowledge in the art that the present invention is not limited to the described embodiments, and that various modifications and variations can be made without departing from the spirit and scope of the present invention. It is self-evident to those who have Accordingly, such modifications or variations should not be individually understood from the technical spirit or point of view of the present invention, and modified embodiments should be said to belong to the claims of the present invention.

10: microalgae culture device 20: vertical double tube
30: horizontal transfer pipe 40: culture medium storage tank
50: aeration member for aeration 60: gas discharge member
80A: first temperature control means 80B: second temperature control means
80C: third temperature control means 80D: fourth temperature control means
88A: Rainwater storage tank
100: building structure 110: wall
120: roof 130: tank for aquaculture

Claims (4)

As a building structure comprising a roof provided with a panel for photovoltaic power generation, and a wall forming a wall surface,
The wall is made of a glass greenhouse forming a side wall culture space, and in the side wall culture space formed by the glass greenhouse, a transparent culture tube in which a culture medium for culturing microalgae circulates is installed one after another in the vertical direction, the transparent culture Each end of the tube is provided with a circulation pump and is connected to the culture medium storage tank,
The culture tube,
An outer tube made of a transparent material and formed of a hollow tube and arranged vertically, and an outer tube made of a transparent material and formed of a hollow tube, installed vertically in the inner center of the outer tube, an outlet hole is formed in the upper area, and a plurality of outlet holes are formed around the lower part It consists of at least one or more vertical double pipe consisting of an inner pipe having inlet holes formed therein,
The outer tube and the inner tube are connected to a horizontal transfer tube, and the lower end of the inner tube maintains a gap of 1-4 cm from the upper surface of the aeration diffuser inside the horizontal transfer tube,
A gap maintaining member is provided between the outer tube and the inner tube so that the inner tube maintains a constant distance from the inner surface of the outer tube inside the outer tube, and the space maintaining member is formed in a ring shape, It consists of an external coupling part in close contact with the inner surface of the external pipe, an internal coupling part formed in a ring shape to which the internal pipe is fitted, and a plurality of connecting ribs connecting the external coupling part and the internal coupling part,
Inside the building structure,
A fourth temperature control means for controlling the air temperature of the inner space and the side wall culture space of the building structure is provided, and the fourth temperature control means includes:
buried in the basement of the building structure
And, the inlet and outlet are underground buried pipes for heating and cooling exposed to the inner space or side wall culture space; and
and an air heating/cooling device provided at the inlet or outlet to heat or cool the air circulated to the underground buried pipe for heating and cooling by a blower,
The underground buried pipe for heating and cooling,
When a rainwater storage tank or aquaculture tank is buried, characterized in that it is disposed on the bottom of the rainwater storage tank or aquaculture tank,
Convergence building structure for agriculture and fishery industry with microalgae light culture device. The method of claim 1,
Inside the building structure,
A device for hydroponics, a device for plant cultivation, a device for aquaponics or aquaculture, characterized in that hydroponics, plant cultivation, aquaponics or aquaculture are performed,
Convergence building structure for agriculture and fishery industry with microalgae light culture device.







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