WO2012043381A1 - Usine pour végétaux - Google Patents

Usine pour végétaux Download PDF

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Publication number
WO2012043381A1
WO2012043381A1 PCT/JP2011/071626 JP2011071626W WO2012043381A1 WO 2012043381 A1 WO2012043381 A1 WO 2012043381A1 JP 2011071626 W JP2011071626 W JP 2011071626W WO 2012043381 A1 WO2012043381 A1 WO 2012043381A1
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Prior art keywords
cultivation
room
plant factory
factory
cultivation room
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PCT/JP2011/071626
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English (en)
Japanese (ja)
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WO2012043381A9 (fr
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貴之 結城
太田　敏博
藤　寛
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シャープ株式会社
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Priority to JP2012536394A priority Critical patent/JPWO2012043381A1/ja
Publication of WO2012043381A1 publication Critical patent/WO2012043381A1/fr
Publication of WO2012043381A9 publication Critical patent/WO2012043381A9/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/18—Greenhouses for treating plants with carbon dioxide or the like

Definitions

  • the present invention relates to a plant factory.
  • Plant factories are able to produce stable crops regardless of the season or climate by artificially controlling environmental conditions such as light, temperature, humidity, carbon dioxide concentration and culture solution in a closed or semi-closed space. It is a system that enables
  • a “sunlight-using type” that uses sunlight
  • a “fully controlled type” that uses artificial light
  • the sunlight utilization type is classified into two types: one using only sunlight as a light source and one using artificial light as an auxiliary (sometimes referred to as “artificial light combined type”).
  • a fully-controlled plant factory is disclosed in Patent Document 1, for example.
  • An artificial light combined type plant factory is disclosed in Patent Document 2, for example.
  • JP 2008-131909 A Japanese Patent Laid-Open No. 2008-092859
  • plant factories are more expensive to produce plants than outdoor cultivation, which is currently the mainstream of agriculture. This is because a plant factory requires a large amount of electric power to control various conditions. In addition, more than half of the electricity in Japan is generated by thermal power generation that emits a large amount of carbon dioxide, so it can be said that plant factories that require large amounts of electricity have a large environmental impact.
  • a considerable part of the power required by the plant factory is power for temperature control.
  • the temperature inside the facility rises due to solar heat when using sunlight, and heat radiation from the light source when using artificial light.
  • a heat pump is usually used for cooling. Further, it is necessary to perform heating in the winter when the temperature of the outside air is significantly reduced.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide a plant factory that can produce plants at low cost and has a low environmental load.
  • the plant factory according to the present invention is a plant factory attached to the factory, and includes a cultivation room in which plants are cultivated, and a cooling / heating supply device that supplies cold heat of 90 ° C. or less discharged from the factory to the cultivation room. And comprising.
  • the cold heat supply device can supply cold heat of 35 ° C. or lower to the cultivation room.
  • the cold heat supply device can supply cold heat of 30 ° C. or less to the cultivation room.
  • the factory has a clean room, and the cold heat supply device supplies air discharged from the clean room to the cultivation room.
  • the cold heat supply device introduces air discharged from the clean room into the cultivation space of the cultivation room.
  • the cultivation room has a further space partitioned from the cultivation space between the cultivation space and the outside, and the cooling / heating supply device supplies the air discharged from the clean room to the air Introduce into the further space.
  • the additional space is provided so as to surround the cultivation space.
  • the distance from the clean room to the cultivation room is 50 m or less.
  • the factory has a liquefied gas vaporization facility for vaporizing a liquefied gas
  • the cold heat supply device generates heat of vaporization when the liquefied gas is vaporized by the liquefied gas vaporization facility. Used as cold energy to be supplied to the cultivation room.
  • the cold supply device supplies air cooled by vaporization heat to the cultivation room.
  • the distance from the liquefied gas vaporization facility to the cultivation room is 100 m or less.
  • the liquefied gas is liquefied nitrogen, liquefied helium or liquefied natural gas.
  • the plant factory according to the present invention further includes a carbon dioxide supply device for supplying carbon dioxide discharged from the factory to the cultivation room.
  • the factory has a combustion treatment facility that burns and processes an organic solvent, and the carbon dioxide supply device supplies air discharged from the combustion treatment facility to the cultivation room. To do.
  • the carbon dioxide supply device includes a valve for adjusting a supply amount of the air discharged from the combustion treatment facility to the cultivation room, and the air discharged from the combustion treatment facility. And a fan for feeding into the cultivation room, and the valve and the fan are driven by electric power obtained by solar power generation.
  • the factory has a power generation facility, and uses electric power generated by the power generation facility of the factory.
  • a plant factory includes a solar power generation device and uses electric power generated by the solar power generation device.
  • the cultivation room has a daylighting unit for taking sunlight into the cultivation space.
  • a plant factory according to the present invention includes a solar cell panel having light permeability provided in the daylighting section of the cultivation room.
  • the solar cell panel is a light-through type solar cell panel.
  • the cultivation room is installed on the south side of the factory or on the roof of the factory building.
  • FIG. 1 is a side view which shows the arrangement
  • (b) and (c) are the top views which show the plant factory 100 typically, It is a side view.
  • (A) is a side view which shows the arrangement
  • (b) and (c) are the top views which show the plant factory 100 typically, It is a side view.
  • FIG. It is a block diagram showing typically plant factory 100 in a suitable embodiment of the present invention. It is a block diagram showing typically plant factory 100 in a suitable embodiment of the present invention. It is a block diagram showing typically plant factory 100 in a suitable embodiment of the present invention.
  • FIG. 1 shows a plant factory 100 in the present embodiment.
  • FIG. 1 is a block diagram showing a basic configuration of a plant factory 100 using sunlight.
  • the plant factory 100 is attached to the factory 200 as shown in FIG.
  • the term “factory” simply refers to a factory other than a plant factory (ie, a factory in a general manufacturing industry).
  • the plant factory 100 in this embodiment is a plant factory of a completely new concept that it is attached to the factory 200.
  • the plant factory 100 includes a cultivation room 10 and a cold heat supply device 30.
  • the plant factory 100 further includes a carbon dioxide supply device 20 and a solar power generation device 40.
  • the cultivation room 10 plants are cultivated. Since the plant factory 100 of this embodiment is a sunlight utilization type
  • the plant cultivated in the cultivation room 10 is not particularly limited, and may be various vegetables and fruits.
  • the vegetables may be, for example, leaf vegetables (lettuce, mizuna, facility parsley, etc.) that use the leaf portion as food, or fruit vegetables (eggplant, tomato, etc.) that use fruits as food, Root vegetables that are edible roots (such as turnips, radish, etc.) may be used.
  • the type of plant to be cultivated is determined in consideration of the necessary light amount, the size of the edible portion, the profitability, and the like. For example, strawberry is preferable because it requires less light (about 300 ⁇ mol / m 2 s) and has a large market scale (about 170 billion yen in Japan).
  • Daphnia is also expected to be used as a staple food because it has a large amount of CO 2 fixed (about 5 times that of corn) and a large amount of starch accumulated (40% to 50%). Furthermore, ornamental plants such as lavender, shibazakura and impatiens may be cultivated. In the cultivation room 10, typically, hydroponics (hydroponics) without using soil is performed.
  • the carbon dioxide supply device 20 supplies carbon dioxide (CO 2 ) discharged from the factory 200 to the cultivation room 10. Photosynthesis is basically promoted as the carbon dioxide concentration increases, but saturates when the concentration is too high.
  • the carbon dioxide concentration in the outside air is about 350 ppm.
  • the cold heat supply device 30 supplies the cultivation room 10 with cold heat of 90 ° C. or less discharged from the factory 200.
  • the cold supplied from the cold supply device 30 is used for temperature control in the cultivation room 10 (more specifically, in the cultivation space).
  • the cultivation room 10 is preferably maintained at a temperature within this range.
  • the solar power generation device 40 uses solar cells to convert sunlight energy into electric power.
  • the electric power obtained by the solar power generation device 40 is supplied to the carbon dioxide supply device 20 and the cold heat supply device 30 and is used to drive these devices.
  • the electric power obtained with the solar power generation device 40 is also supplied to the cultivation room 10 and used for various controls in the cultivation room 10.
  • the plant factory 100 uses the power generated by the solar power generation device 40.
  • the cultivation room 10 is used using the cold heat. Inside temperature control can be performed. Therefore, the power required for temperature control can be greatly reduced. Therefore, it becomes possible to reduce the burden on the environment and produce plants at low cost.
  • exhaust heat is collected as electrical energy in nuclear power plants, thermal power plants, and some factories.
  • high-temperature exhaust heat is recovered, and low-temperature exhaust heat of 90 ° C. or less is abandoned unused. This is because low-temperature exhaust heat is difficult to use efficiently for power generation by a turbine or the like.
  • the cold heat of 90 degrees C or less is directly supplied to the cultivation room 10 (that is, without converting into electric power etc.) with the cold heat supply apparatus 30, it was not utilized conventionally. It is possible to effectively use cold heat (low temperature exhaust heat) of °C or less.
  • the optimum temperature for photosynthesis is 25 ° C to 30 ° C. Therefore, in order to reduce the electric power required for cooling and to significantly reduce the environmental load and cost, it is preferable that the cold heat supply device 30 can supply cold heat of 35 ° C. or less to the cultivation room 10, It is more preferable that cold heat of 30 ° C. or lower can be supplied.
  • the carbon dioxide discharged from the factory 200 is supplied to the cultivation room 10 by the carbon dioxide supply device 20. That is, the carbon dioxide fertilization to a plant is performed using the carbon dioxide from the factory 200. Therefore, it is not necessary to prepare a carbon dioxide cylinder for carbon dioxide fertilization, which can further reduce the cost.
  • carbon dioxide originally discharged from the factory 200 into the environment as it is is fixed to organic matter in the cultivation room 10 by photosynthesis with plants. Therefore, the amount of carbon dioxide discharged from the factory 200 to the global environment can be reduced.
  • the plant factory 100 uses the power generated by the solar power generation device 40.
  • solar energy which is renewable energy (energy that is regenerated at a speed equal to or higher than that used by nature), is used. Therefore, the load on the environment is small also in this respect.
  • the specific method by which the cold heat supply apparatus 30 supplies cold heat to the cultivation room 10 is not particularly limited.
  • the cold heat supply device 30 supplies cold air to the cultivation room 10 by supplying the air discharged from the clean room 210 to the cultivation room 10. can do.
  • the air functions as a medium for moving the cold.
  • the clean room 210 is often provided in a factory that manufactures electronic devices and precision machines, and always discharges a large amount of low-temperature air at about 25 ° C. Therefore, the temperature control in the cultivation room 10 can be performed by the cold heat supply device 30 supplying air from the clean room 210 to the cultivation room 10.
  • the air discharged from the clean room 210 is also clean, and powdery mildew, rust. Mold spores that cause illness, downy mildew, etc. have been removed. Therefore, when temperature control is performed using the air discharged from the clean room 210, the occurrence of plant diseases can be reduced.
  • a high-performance air filter such as a HEPA filter
  • the cold heat supply device 30 is provided between the clean room 210 and the cultivation room 10, for example, to the piping through which air passes and the cultivation room 10 for air discharged from the clean room 210. And a fan for sending the air discharged from the clean room 210 to the cultivation room 10.
  • the cultivation room 10 is preferably provided as close to the clean room 210 as possible. If the distance from the clean room 210 to the cultivation room 10 is too large, the temperature of the air discharged from the clean room 210 changes greatly due to the influence of the outside temperature or the like in the process of being conveyed to the cultivation room 10, and a suitable temperature. Control can be difficult.
  • the distance from the clean room 210 to the cultivation room 10 is preferably 50 m or less, and more preferably 30 m or less.
  • the cold heat supply device 30 when the factory 200 has a facility (a liquefied gas vaporization facility) 220 for vaporizing a liquefied gas (a gas liquefied by being pressurized and cooled), the cold heat supply device 30. May use the heat of vaporization when the liquefied gas is vaporized by the liquefied gas vaporization equipment 220 as the cold heat supplied to the cultivation room 10.
  • temperature control can be performed by the cold heat supply apparatus 30 supplying the air cooled by the vaporization heat to the cultivation room 10. In this case as well, the air functions as a medium for moving the cold.
  • Examples of the liquefied gas used in the factory 200 include liquefied nitrogen, liquefied helium, and liquefied natural gas.
  • Liquefied nitrogen and liquefied helium are vaporized and used, for example, in semiconductor processes.
  • liquefied natural gas is used as a fuel.
  • the cold energy supply device 30 is provided between the liquefied gas vaporization facility 220 and the cultivation room 10, for example, a pipe through which air passes, and cultivation of air cooled by vaporization heat It has a valve for adjusting the supply amount to the chamber 10 and a fan for sending air cooled by the heat of vaporization into the cultivation chamber 10.
  • the cultivation room 10 is preferably provided as close to the liquefied gas vaporization facility 220 as possible. If the distance from the liquefied gas vaporization facility 220 to the cultivation room 10 is too large, the temperature of the air cooled by the vaporization heat changes greatly due to the influence of the outside air temperature or the like in the process of being conveyed to the cultivation room 10, Suitable temperature control can be difficult.
  • the distance from the liquefied gas vaporization facility 220 to the cultivation room 10 is preferably 100 m or less, and more preferably 50 m or less.
  • a medium other than air may be used to move the cold heat.
  • a liquid such as water may be used as a medium for moving cold heat.
  • the specific method by which the carbon dioxide supply device 20 supplies carbon dioxide to the cultivation room 10 is not particularly limited.
  • the carbon dioxide supply device 20 when the factory 200 has a combustion processing facility (called “combustion scrubber”) 230 for burning and processing an organic solvent (VOC), the carbon dioxide supply device 20 is The air discharged from the combustion scrubber 230 may be supplied to the cultivation room 10. Since the air discharged from the combustion scrubber 230 contains carbon dioxide at a higher concentration than the outside air, the carbon dioxide concentration in the cultivation room 10 is controlled by supplying the air to the cultivation room 10 (from the outside air). Can also be high).
  • the carbon dioxide supply device 20 is provided between, for example, the combustion scrubber 230 and the cultivation chamber 10, and a pipe through which air passes and cultivation of air discharged from the combustion scrubber 230.
  • a valve for adjusting the supply amount to the chamber 10 and a fan for sending the air discharged from the combustion scrubber 230 into the cultivation chamber 10 are provided.
  • the carbon dioxide supply device 20 may mainly supply the carbon dioxide to the cultivation room 10 in the daytime. Therefore, the valve and fan included in the carbon dioxide supply device 20 can be suitably driven only by the electric power obtained by solar power generation.
  • FIG. 5 shows an example of a specific structure of the cultivation room 10 in the solar-powered plant factory 100.
  • the cultivation room 10 has the cultivation space 11 in the inside, as shown in FIG. A plurality of cultivation benches 12 on which plants are placed are installed in the cultivation space 11.
  • the side wall 10s and the roof 10t of the cultivation room 10 include a portion formed of a material that transmits light (for example, glass or resin). Therefore, these side walls 10 s and the roof 10 t function as a daylighting unit that incorporates sunlight into the cultivation space 11.
  • the daylighting part here, the roof 10t of the cultivation room 10 has a light-transmitting sun.
  • a battery panel 42 may be provided.
  • the solar cell panel 42 having light transmittance is provided in the daylighting part, a part of the incident light to the daylighting part is absorbed by the solar cell panel 42 and the rest is transmitted through the solar cell panel 42 and introduced into the cultivation space 11. Is done. Therefore, sunlight can be used for both photosynthesis and power generation.
  • the solar cell itself is called a “cell”, and a panel-shaped product in which a plurality of cells are connected in series or in parallel to obtain the required voltage and current, and protected with resin, tempered glass, or a metal frame. It is called “solar cell panel” or “solar cell module”.
  • “see-through type” in which light permeation is imparted by forming fine holes in the cell itself, and light translucency is imparted by widening the cell interval.
  • “Light-through type” is known. Since the “write-through type” can easily achieve a high aperture ratio (for example, 70% or more), it is preferable to use the write-through type from the viewpoint of securing a sufficient amount of light for photosynthesis.
  • the solar cell panel 42 is provided only in the roof 10t of the cultivation room 10, of course, the solar cell panel 42 also in the side wall 10s of the cultivation room 10 (or only in the side wall 10s). May be provided.
  • the cultivation room 10 which has a lighting part is installed in the place where sunlight is as sunny as possible.
  • the cultivation room 10 having the daylighting unit is installed on the south side of the factory 200 or on the roof of the factory 200 building.
  • FIG. Fig.7 (a) is a side view which shows the arrangement
  • the building 201 of the factory 200 has a clean room 210 and a machine room 212 adjacent to the clean room 210 as shown in FIG. Inside the machine room 212, air conditioning equipment for supplying air to the clean room 210, exhausting from the clean room 210, and purifying the air is provided. In the machine room 212, electrical equipment and communication equipment are also provided.
  • the cultivation room 10 of the plant factory 100 is installed on the roof (on the clean room 210) of the building 201 having the clean room 210.
  • the machine room 212 and the cultivation space 11 is connected to the 1st piping 51 extended from the machine room 212, and the 1st piping 51, and the inside of the cultivation space 11
  • the 2nd piping 52 extended to is provided.
  • the first pipe 51 is provided with a first valve 53a, a second valve 53b, and a first fan 54a in this order from the upstream side.
  • the first fan 54 a is for sending air from the machine room 212 into the cultivation room 10.
  • the second pipe 52 is provided with a third valve 53c and a blowing port 55 in this order from the upstream side.
  • the air discharged from the clean room 210 through the machine room 212 passes through the first pipe 51 and the second pipe 52, and enters the cultivation space 11 from the outlet 55 as shown in FIGS. 7 (b) and (c). be introduced.
  • a third pipe 56 is extended from the combustion scrubber 230, and this third pipe 56 is also connected to the second pipe 52.
  • the third pipe 56 is provided with a fourth valve 53d and a second fan 54b in this order from the upstream side.
  • the second fan 54 b is for sending the air discharged from the combustion scrubber 230 into the cultivation room 10. Air with a high carbon dioxide concentration discharged from the combustion scrubber 230 passes through the third pipe 56 and the second pipe 52, and enters the cultivation space 11 from the outlet 55 as shown in FIGS. 7 (b) and (c). be introduced.
  • the air from the clean room 210 and the air with a high carbon dioxide concentration from the combustion scrubber 230 are merged and mixed before being introduced into the cultivation space 11.
  • the first valve 53a, the second valve 53b, and the third valve 53c function to adjust the supply amount of the air discharged from the clean room 210 via the machine room 212 to the cultivation room 10.
  • bulb 53c function so that the supply amount to the cultivation room 10 of the air discharged
  • the first pipe 51, the second pipe 52, the first valve 53 a, the second valve 53 b, the third valve 53 c, and the first fan 54 a cooperatively function as the cold heat supply device 30
  • Air discharged from the clean room 210 is introduced into the cultivation space 11.
  • the second pipe 52, the third pipe 56, the third valve 53c, the fourth valve 53d, and the second fan 54b cooperatively function as the carbon dioxide supply device 20, and air discharged from the combustion scrubber 230 (dioxide dioxide). Carbon) is introduced into the cultivation space 11.
  • the air discharged from the combustion scrubber 230 is mixed with the air discharged from the clean room 210 before being supplied to the cultivation room 10.
  • the air from the combustion scrubber 230 is often hotter than the air from the clean room 210 (for example, about 90 ° C.), but the air from the combustion scrubber 230 and the air from the clean room 210 are supplied to the cultivation room 10.
  • the amount of air at 25 ° C. discharged from the clean room 210 to the machine room 212 is set to 360000 m 3 / h.
  • the amount of air introduced from the machine room 212 into the cultivation space 11 of the cultivation room 10 via the first fan 54a is set to 360000 m 3 / h.
  • the ventilation frequency of the cultivation room 10 is set to once every 5 minutes, that is, 12 times / h.
  • the amount of air with a high carbon dioxide concentration supplied from the combustion scrubber 230 is 25000 m 3 / h, and the carbon dioxide concentration of the air supplied from the combustion scrubber 230 is 20000 ppm.
  • these numerical values greatly vary depending on the scale of the factory 200 and the components of the gas to be burned.
  • the temperature control is performed by the air from the clean room 210 (Example), the temperature control by the air conditioner (Comparative Example 1), the air conditioner and the light-shielding curtain ( It was carried out with respect to the case (comparative example 2) in which temperature control was carried out) (provided on the roof of the cultivation room so as to block sunlight).
  • the verification results are shown in Table 1 below.
  • Comparative Example 1 As can be seen from Table 1, in Comparative Example 1, a large amount of power is required to operate the air conditioner, so the power consumption is as high as 4592 kWh. Therefore, the running cost is as high as 45920 yen / day. In Comparative Example 1, although the amount of light is sufficient, an installation space for an air conditioner is required, so that an effective cultivation area (footprint) is reduced.
  • Comparative Example 2 since the electric power required for the operation of the air conditioner can be reduced by the amount of sunlight that can be blocked by the light shielding curtain, the power consumption can be reduced to 1148 kWh compared to Comparative Example 1. Therefore, the running cost can be reduced to 11480 yen / day as compared with Comparative Example 1. However, in Comparative Example 2, the amount of light reaching the plant is 50% or less due to light shielding by the light shielding curtain, and the amount of light is insufficient. Moreover, since the comparative example 2 requires the installation space of an air-conditioner like the comparative example 1, a footprint falls.
  • a temperature sensor is provided to detect the temperature of the outside air. When the temperature of the outside air is higher, air is introduced into the cultivation space 11 from a higher position, and when the temperature of the outside air is lower, the temperature is lower. By introducing air from the position to the cultivation space 11, the temperature in the cultivation space 11 can be more quickly and uniformly controlled.
  • FIG. Fig.8 (a) is a side view which shows the arrangement
  • the cultivation room 10 shown to Fig.8 (a), (b) and (c) has the further space 13 partitioned from the cultivation space 11 between the cultivation space 11 and the exterior, in FIG. ), Different from the cultivation room 10 shown in (b) and (c).
  • the cultivation room 10 shown to Fig.8 (a), (b) and (c) has the double structure which the side wall and roof consist of the inner wall 10w1 and the outer wall 10w2, These inner wall 10w1 and outer wall 10w2 A further space 13 is located between them.
  • the further space 13 is partitioned from the cultivation space 11 by the inner wall 10 w 1 and is provided so as to surround the cultivation space 11.
  • FIGS. 8A, 8 ⁇ / b> B, and 8 ⁇ / b> C the air discharged from the clean room 210 is introduced not into the cultivation space 11 but into a further space 13 around it.
  • the machine room 212 and the further space 13 are connected by a first pipe 61 as shown in FIGS. 8A and 8B.
  • the first pipe 61 is provided with a first valve 62a and a first fan 63a in this order from the upstream side.
  • the first fan 63a is for sending air from the machine room 212 into the cultivation room 10. Air discharged from the clean room 210 via the machine room 212 passes through the first pipe 61 and is introduced into the further space 13.
  • the combustion scrubber 230 and the cultivation space 11 are connected by a second pipe 64, and the second pipe 64 extends into the cultivation space 11.
  • the second pipe 64 is provided with a second valve 62b, a second fan 63b, a third valve 62c, and an outlet 65 in this order from the upstream side.
  • the second fan 63b is for sending the air discharged from the combustion scrubber 230 into the cultivation room 10. Air with a high carbon dioxide concentration discharged from the combustion scrubber 230 passes through the second pipe 64 and is introduced into the cultivation space 11 from the outlet 65 as shown in FIGS. 8 (b) and 8 (c).
  • the air from the clean room 210 and the air with a high carbon dioxide concentration from the combustion scrubber 230 are not mixed.
  • the first valve 62 a functions to adjust the supply amount of the air discharged from the clean room 210 through the machine room 212 to the cultivation room 10.
  • bulb 62c function so that the supply amount to the cultivation room 10 of the air discharged
  • the first pipe 61, the first valve 62 a, and the first fan 63 a cooperatively function as the cold heat supply device 30, and introduce the air discharged from the clean room 210 into the further space 13.
  • the second pipe 64, the second valve 62b, the third valve 62c, and the second fan 63b cooperatively function as the carbon dioxide supply device 20, and cultivate the air (carbon dioxide) discharged from the combustion scrubber 230. 11 is introduced.
  • the further space 13 around the cultivation space 11 is cooled (or heated), thereby the temperature in the cultivation space 11.
  • the temperature in the cultivation space 11 is controlled by heat exchange between the air in the further space 13 and the air in the cultivation space 11 via the inner wall 10w1.
  • the amount of air at 25 ° C. discharged from the clean room 210 to the machine room 212 is set to 360000 m 3 / h.
  • the amount of air introduced from the machine room 212 into the further space 13 of the cultivation room 10 via the first fan 63a is set to 360000 m 3 / h.
  • the distance d (see FIG. 8) between the inner wall 10w1 and the outer wall 10w2 of the cultivation room 10 is 0.2 m, and the volume of the further space 13 is 2256 m 3 .
  • the amount of air with a high carbon dioxide concentration supplied from the combustion scrubber 230 is 25000 m 3 / h, and the carbon dioxide concentration of the air supplied from the combustion scrubber 230 is 20000 ppm.
  • these numerical values greatly vary depending on the scale of the factory 200 and the components of the gas to be burned.
  • the temperature in the cultivation space 11 after introducing the air from the combustion scrubber 230 is plant Is within the optimum temperature range (25 ° C. to 30 ° C.) for photosynthesis.
  • the temperature and the carbon dioxide concentration can be controlled in any of the examples shown in FIGS.
  • the combustion scrubber 230 has a combustor 231 and a heat exchanger 232 as shown on the upper side of FIG.
  • a treatment gas vaporized organic solvent
  • natural gas vaporized organic solvent
  • combustion air are introduced into the combustor 231, and combustion is performed at a high temperature (for example, about 770 ° C.).
  • the heat exchanger 232 recovers heat from the high-temperature air exhausted from the combustor 231 by heat exchange. The recovered heat is reused as energy at the factory 200. Since air at about 90 ° C. after heat exchange has a high carbon dioxide concentration, it can be used to control the carbon dioxide concentration in the cultivation room 10.
  • the liquefied gas vaporization facility 220 circulates the refrigerant in the cylinder 221 storing liquefied nitrogen, the evaporator 222 provided near the cylinder 221, and the refrigerant circulation path 223. And a heat exchanger 225 that cools the air discharged from the combustion scrubber 230.
  • a refrigerant for example, 0 ° C.
  • the refrigerant is heated, for example, from 5 ° C. to 25 ° C.).
  • the plant factory 100 illustrated the structure provided with the solar power generation device 40, this invention is not limited to this.
  • the plant factory 100 may use the power generated by the power generation facility 240 of the factory 200.
  • the power generation facility 240 of the factory 200 is, for example, a solar power generation device, a gas turbine, a fuel cell, or the like.
  • the plant factory 100 of the type using only sunlight among sunlight utilization types was illustrated, this invention is not limited to this.
  • the plant factory 100 may include a lighting device 70 and may be a fully-controlled type that uses only artificial light emitted from the lighting device 70, or as illustrated in FIG. 12, 70 and may be a combined artificial light type that uses not only sunlight but also artificial light emitted from the lighting device 70 as an auxiliary.
  • a light source of the illumination device 70 a high-pressure sodium lamp, a fluorescent lamp, a light emitting diode (LED), or the like can be suitably used.
  • the present invention it is possible to provide a plant factory that can produce plants at low cost and has a low environmental load.
  • the present invention is suitably used for any plant factory using sunlight or artificial light.
  • the plant factory according to the present invention can be attached to various factories including a factory for manufacturing electronic equipment.

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Abstract

Cette invention concerne une usine pour végétaux (100) et une usine (200) partageant les mêmes locaux. Cette usine pour végétaux (100) comporte une salle de culture (10) abritant les plantes cultivées en intérieur, et un système de chauffage/refroidissement (30) qui achemine l'énergie de chauffage/refroidissement libérée par l'usine (200) jusqu'à la salle de culture (10), ladite énergie de chauffage/refroidissement ayant une température inférieure à 90 °C. L'invention permet de produire des plantes à faible coût, et permet d'obtenir une usine pour végétaux à faible impact environnemental.
PCT/JP2011/071626 2010-09-27 2011-09-22 Usine pour végétaux WO2012043381A1 (fr)

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JP2012536394A JPWO2012043381A1 (ja) 2010-09-27 2011-09-22 植物工場

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JP5791215B1 (ja) * 2014-09-16 2015-10-07 ファームランド株式会社 太陽光パネル付高設棚養液栽培システム
JP5791211B1 (ja) * 2014-06-30 2015-10-07 ファームランド株式会社 太陽光パネル付高設棚養液栽培システム
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KR102192793B1 (ko) * 2020-06-16 2020-12-18 황우정 저온 발전을 이용한 친환경 스마트 팜 및 그 이용 방법
WO2023161924A1 (fr) * 2022-02-22 2023-08-31 Shahar Avraham Système de serre intensif en énergie

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