WO2010104022A1

WO2010104022A1 - Greenhouse plant cultivation system

Info

Publication number: WO2010104022A1
Application number: PCT/JP2010/053753
Authority: WO
Inventors: 隆逸小林
Original assignee: 浦安電設株式会社
Priority date: 2009-03-13
Filing date: 2010-03-08
Publication date: 2010-09-16
Also published as: JP2010213587A

Abstract

Provided is a greenhouse plant cultivation system wherein the organic fertilizer and CO₂ that are indispensible to plant growth are produced using waste primarily in the form of kitchen scraps as the production source and, coupled with the greenhouse effect, both contribute to the growth and propagation of plants inside the greenhouse. The greenhouse plant cultivation system has a structure wherein waste (4) primarily in the form of kitchen scraps is decomposed by bacteria to produce an organic fertilizer (7), undecomposed matter (4') that does not succumb to decomposition by the bacteria is incinerated to generate CO₂, the CO₂ obtained by incineration of the undecomposed matter (4') is fed to the inside of the greenhouse (1) to promote photosynthesis of plants (2) inside the greenhouse, and the organic fertilizer (7) produced by bacteria decomposition is spread on soil (3) inside the greenhouse (1).

Description

Greenhouse plant cultivation system

The present invention relates to a plant cultivation system using a greenhouse that effectively uses waste mainly composed of garbage for growing plants in the greenhouse.

The system that promotes the growth (photosynthesis) of plants by supplying CO2 generated by the operation of the fuel cell, CO2 generated in the air conditioning area by the air conditioning equipment, or CO2 absorbed from the atmosphere to the plant growing factory is as follows. It is known as shown in patent documents.

On the other hand, it is also known that raw garbage is decomposed in the presence of bacteria to produce organic fertilizer and contribute to plant growth.

JP-A-62-272039 Japanese Patent Application Laid-Open No. 5-135578 JP-A-2-163007 JP 2006-340683 A

As described above, the idea of supplying CO2 to a plant growing factory using a fuel cell or the like as a generation source, and the technology for using organic fertilizer obtained from garbage as a generation source for plant growth are known as individual technologies, If both are used in combination, CO2 supply and organic fertilizer supply essential for plant photosynthesis can be performed, and the purpose of promoting plant growth and increasing production can be effectively achieved.

However, special equipment and conditions such as a fuel cell and air conditioning equipment and a device that absorbs CO2 from the atmosphere are necessary as a source of CO2, and in addition to this, it is necessary to introduce a garbage treatment facility. Two devices with different sources must be installed independently of each other, which is actually difficult for industrial use.

The present invention provides a plant cultivation system using a greenhouse that contributes to the growth of plants in the greenhouse and the increase in plant production by effectively using wastes mainly composed of garbage as a source of the organic fertilizer and CO2.

In short, the present invention generates organic fertilizer by decomposing waste mainly composed of garbage by bacteria, while burning undegraded material that does not lead to decomposition by the bacteria to generate CO2, Supplying CO2 obtained by combustion of decomposition products and organic fertilizer obtained by the above-mentioned bacterial decomposition into the greenhouse, and promoting CO2 absorption and photosynthesis of the leaves of plants grown in the greenhouse, It is intended to provide a greenhouse-based plant cultivation system that promotes the absorption of organic fertilizers by the plant, and thus achieves the purpose of increasing production by obtaining healthy growth through the activity of plants grown in the greenhouse.

In addition, CO2 generated in the process of decomposition of garbage by the bacteria is supplied into the greenhouse together with CO2 generated by the combustion of the undecomposed matter, thereby promoting photosynthesis of plants in the greenhouse and releasing CO2 into the atmosphere. Effectively prevent.

The present invention generates organic fertilizer and CO2 that are indispensable for plant growth from wastes mainly composed of garbage, and combines them with the greenhouse effect to contribute to the growth and production increase of plants in the greenhouse. Recycling environment that effectively realizes plant cultivation system in greenhouse, reduces the burden of cost by landfill treatment and combustion treatment of garbage at the same time, and reuses garbage as resources to grow plants in greenhouse It is extremely useful as a system that contributes to the creation of society and the prevention of global warming.

The flowchart which outlines the plant cultivation system (basic system) by the greenhouse which concerns on this invention. The flowchart of the plant cultivation system by the greenhouse which shows the other example using the said basic system. The flowchart of the plant cultivation system by the greenhouse which shows the other example which uses the said basic system.

Hereinafter, a plant cultivation system using a greenhouse according to the present invention will be described in detail with reference to FIGS. 1 shows a first embodiment (basic embodiment) of the present invention, FIG. 2 shows the second embodiment, and FIG. 3 shows a third embodiment.

<Description common to the first, second and third embodiments>
The greenhouse 1 surrounded by the sunlight-transmitting material can provide a photosynthetic environment and a warming environment of the plant 2 by sunlight while appropriately blocking wind and rain, and can be cultivated throughout the year.

The present invention relates to a cultivation system for plants 2 such as vegetables and fruit trees in the greenhouse 1, and aims to achieve active growth and increase of production of the plants 2 in the greenhouse cultivation.

As a means for this, CO2 (carbon dioxide) and fertilizer (organic fertilizer) 7 essential for the growth of the plant 2 are generated using waste 4 mainly composed of garbage as a generation source, and the CO2 and organic fertilizer are converted into the greenhouse. The purpose is to supply to the interior space 1 and the soil 3 in the greenhouse 1 and to promote the growth of the plant 2 cultivated in the greenhouse 1 in combination with the greenhouse effect and to increase the production.

The above garbage is generated every day from homes, hotels, restaurants, schools, etc. in towns and rural areas, and the garbage may contain a considerable amount of foreign materials such as plastics, paper, wood and bamboo, and fibers. Many. These wastes 4 mainly composed of garbage are incinerated or landfilled in the region or outside the region.

The waste 4 mainly composed of garbage generated in the above area is collected and stored in the garbage storage facility 5 shown in FIGS.

The waste 4 mainly composed of the above garbage is taken out from the garbage storage facility 5 at any time and put into the garbage decomposition treatment facility 6, and the waste 4 mainly composed of the input garbage is decomposed into the garbage. In the treatment facility 6, decomposition by bacteria (aerobic bacteria) is promoted to generate granular organic fertilizer (bacteria degradation product) 7.

On the other hand, in the garbage decomposition treatment facility 6, it is difficult to decompose the bacteria together with the undegraded product 4 'that has not been decomposed by bacteria within a predetermined processing time, that is, the garbage residue that can be decomposed but cannot be completely decomposed. Plastics, paper, wood and bamboo, fiber, etc. are taken out from the garbage decomposition treatment facility 6 and are put into a combustion facility (CO2 generator) 8 to be burned to generate CO2.

Preferably, in the combustion facility 8, self-combustion that directly ignites the undecomposed matter 4 ′ and sends air without using fuel, such as gas or petroleum, and electric power as means for burning the undecomposed matter 4 ′ to promote combustion. Take the method.

However, it does not prevent the use of an appropriate amount of fuel. As a suitable example, biogas (methane gas) 14 using the garbage shown in FIG. 2 as a generation source can be used as a fuel.

Combustion residue in the combustion facility 8 is a very limited amount, and the absolute amount of the waste 4 mainly composed of garbage is greatly reduced, and almost complete treatment can be performed.

The combustion facility 8 and the greenhouse 1 are connected by a pipeline (air supply passage) 9, and CO 2 obtained by combustion of the undecomposed material 4 ′ in the undecomposed material combustion facility 8 is supplied to the space inside the greenhouse 1 through the pipeline 9. Promote photosynthesis of the plants 2 in the greenhouse 1.

The CO2 control valve 11 is provided in the pipeline 9 to control the supply stop, release and supply amount of CO2 supplied to each greenhouse 1 space.

On the other hand, the organic fertilizer 7 produced by the above bacterial decomposition is fertilized to the soil 3 in the greenhouse 1. The garbage decomposition treatment facility 6 and the greenhouse 1 can be connected by a transporting means, and the organic fertilizer 7 can be transported to the place inside the greenhouse 1 or in the vicinity of the greenhouse 1 via the transporting means, and fertilized at any time.

Also, CO2 generated by bacterial decomposition in the garbage decomposition treatment facility 6 is supplied to the space in the greenhouse 1 through the pipeline 9 together with the CO2 obtained from the combustion facility 8, and both CO2 are supplied to the greenhouse-grown plant 2 Contribute to photosynthesis.

The configuration described in the first embodiment is the same in the second and third embodiments described below. That is, the second and third embodiments have the basic configuration described in the first embodiment.

<Second Example>
The second embodiment shown in FIG. 2 includes the configuration of the first embodiment described above, and further includes a second garbage decomposition treatment facility 13 for generating biogas, which constitutes a plant cultivation system using a greenhouse. An example is shown. 6 in the first embodiment is the first garbage decomposition facility.

That is, the waste 4 mainly composed of garbage is decomposed by aerobic bacteria without blocking oxygen and light to produce organic fertilizer 7, and the first garbage decomposition treatment facility 6 that has organic garbage as the main component. The waste 4 to be produced is decomposed by anaerobic bacteria (methane bacteria) by blocking oxygen and light, and a second garbage decomposition treatment facility 13 for generating biogas 14 is also provided. An embodiment is shown in which biogas 14 obtained from a facility 13 is supplied as a combustion fuel for the undecomposed product 4 ′ of the combustion facility 8.

In the above-described garbage decomposition treatment facility 13 for generating biogas, biogas 14 (approximately 70% methane gas), CO2, and digestive fluid 15 are obtained, and bacteria can be decomposed as decomposition residues, but they can be decomposed. Undegraded materials 4 'such as plastics, paper, wood bamboo, and fibers, which are difficult to decompose with bacteria, are obtained together with the residual garbage.

The undecomposed material 4 'obtained from the second garbage decomposition facility 13 is supplied to the combustion facility 8 and combusted together with the undecomposed material 4' obtained from the first garbage decomposition facility 6. Generate CO2.

On the other hand, the biogas 14 obtained from the second garbage decomposition treatment facility 13 is supplied to the combustion facility 8 through a pipeline (air supply path) 16 connecting the second garbage decomposition treatment facility 13 and the combustion facility 8. Used as fuel.

Further, the digested liquid 15 (organic fertilizer) obtained in the second garbage decomposition treatment facility 13 is used for fertilizing the soil 3 in the greenhouse 1 in the same manner as the organic fertilizer 7 obtained in the first garbage decomposition treatment facility 6. .

<Third embodiment>
The third embodiment shown in FIG. 3 has the basic configuration of the first embodiment. In addition to the basic configuration of the first embodiment, the hot gas 20 generated from the combustion facility 8 is converted into energy required for the greenhouse 1. The equipment to convert is added.

In the combustion facility 8 for the undecomposed material 4 ', a high temperature gas containing a large amount of CO2 is generated. The high temperature gas 20 is supplied to the heat exchange facility 17, and the warming medium 18 such as warm water, heated gas or steam exchanged in the heat exchange facility 17 is supplied to the heating pipe 19 in the greenhouse 1, or the space in the greenhouse 1 Discharge to create a warm air environment.

The hot gas 20 having undergone heat exchange in the heat exchange facility 17 circulates from the heat exchange facility 17 to the combustion facility 8 as indicated by arrows in FIG.

Alternatively, the hot gas 20 obtained from the combustion facility 8 can be converted into electric power in the heat exchange facility 17 and used as electric power for the light source in the greenhouse 1.

Also, a heat pump or the like is operated with the high-temperature gas obtained from the combustion facility 8, and the obtained heating gas, warm water or cold air or the like or the cooling medium 18 is supplied to the greenhouse 1.

The heat exchange facility 17, the generator, the heat pump and the like are effective as a night heating means, a light supply means, or a cool air supply means in summer when heating by sunlight in the greenhouse 1 cannot be expected.

Although the said 3rd Example described as a base the 1st Example which provided the garbage decomposition processing facility 6, The said 3rd Example can be implemented in the 2nd Example which provided the garbage

decomposition processing facilities

6 and 13 Of course, the configuration related to the heat exchange facility 17 described in the third embodiment can be implemented in the first and second embodiments.

The present invention relates to the decomposition products (organic fertilizer 7) and undecomposed products 4 'obtained from the garbage

decomposition treatment facilities

6 and 13 in the first, second and third embodiments, the combustion facility 8 and the garbage decomposition treatment facility. 6 and 13 can be supplied after being stored in a storage facility, and the above system can be used for the garbage

decomposition treatment facilities

6 and 13, the combustion facility 8, the heat exchange facility 17, etc. It can be constructed using known equipment.

Although not shown, a system can be constructed by incorporating various devices such as a known CO2 purification device, a biogas purification device, an organic fertilizer purification device, a drying device, and a sorting device.

DESCRIPTION OF SYMBOLS 1 ... Greenhouse, 2 ... Plant, 3 ... Soil, 4 ... Waste, 4 '... Undecomposed thing, 5 ... Garbage storage facility, 6 ... Garbage decomposition processing facility (1st garbage decomposition processing facility), 7 ... Organic fertilizer, 8 ... Combustion facility, 9 ... Pipeline, 11 ... CO2 control valve, 13 ... Second garbage decomposition treatment facility, 14 ... Biogas, 15 ... Digestive fluid, 16 ... Pipeline, 17 ... Heat exchange facility, 18 ... heating medium or cooling medium, 19 ... heating pipe, 20 ... hot gas.

Claims

Waste produced mainly from garbage is decomposed by bacteria to produce organic fertilizer, and the above-mentioned undegraded products that do not decompose by bacteria are burned to generate CO2, and obtained by burning the undegraded products A plant cultivation system using a greenhouse characterized in that it has a configuration in which CO2 is supplied to a space in a greenhouse to promote photosynthesis of plants in the greenhouse and the organic fertilizer generated by the above-described bacterial decomposition is applied to soil in the greenhouse.
Equipped with a greenhouse for cultivating plants, a garbage decomposition treatment facility that generates organic fertilizer by decomposing waste mainly composed of garbage with bacteria, and undegraded from the garbage decomposition treatment facility that does not lead to bacterial decomposition An organic fertilizer obtained from the above-mentioned garbage decomposition treatment facility, comprising a combustion facility that collects and burns materials to generate CO2 and uses the CO2 obtained in the combustion facility in the greenhouse space to promote photosynthesis of plants in the greenhouse A plant cultivation system using a greenhouse characterized by fertilizing the soil in the greenhouse.
The plant cultivation system by a greenhouse according to claim 1 or 2, wherein CO2 generated in the bacterial decomposition process and CO2 obtained by combustion of the undegraded product are supplied to a greenhouse space.