JP2018122203A - Biomass energy conversion system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an energy conversion system for coping with suppression of global warming, fossil fuel depletion, and overall, efficiently coping with the problem such as an increase in food production.SOLUTION: A biomass energy conversion system is used to increase a power generation amount by: installing a device which partially burns a wooden material to gasify the same in juxtaposition with a device which subjects animal and vegetable wastes as the raw material to methane fermentation to feed excess heat from the former to the latter; generating power, when power demand is high, on burning with both generated gasses combined; reserving the methane fermentation gas, when the power demand is small, to carry out the methane fermentation processing of organic wastes by using methane fermentation fungi where a spawn, a substance serving as the bate, and terahertz waves are added to a liquid to carry out fermentation; and activating water by using power, when the power demand is small, to produce activated water, hydrogen gas, and oxygen gas, and to add a part of the oxygen gas and hydrogen gas via a reservation device to a device which generates power on burning.SELECTED DRAWING: Figure 1

Description

  The present invention combines the processing of various unused and waste biomass and crop cultivation, energy conversion to efficiently cope with issues such as global warming suppression, response to fossil fuel depletion and increased food production. About the system.

Among the important challenges for humanity today are reducing the use of fossil fuels with limited reserves as an energy source, reducing carbon dioxide emissions to control global warming and climate change, and May ensure the quality and quantity of food needed. Therefore, the effective use of biomass is currently attracting attention. There are two types of biomass: waste and unused. For waste systems, those with a high water content of 70% or more, such as livestock manure, sewage sludge, and food residues, and those with 60% or less moisture, such as waste wood, for unused systems, forest land residue, thinned wood , Bamboo, cut grass, pruned branches, etc. As a method of converting these into energy, methane fermentation treatment can be used for those with a high water content, and heat can be generated for those with a low water content via direct combustion or gasification for use in power generation or heat. Has been done. In the former case, the solid content of the fermentation residue can be used as compost, and the liquid content can be used as liquid fertilizer if demanded. In the latter case, the ash content is accompanied by harmful substances such as hexavalent chromium. If not, it can be added to the soil for cultivation. In addition, the residual heat generated during energy conversion is used as a heat source for greenhouses for crop cultivation. Therefore, part of fossil fuel as an energy source is replaced by energy conversion of biomass, and by-products and residual heat at the time of conversion are used for crop cultivation, etc. Therefore, the contribution of biomass to today's problem solving remains low.
1) Since the power generation efficiency depends on the heat generation amount of the fuel, if the heat generation amount is small, the power generation efficiency becomes low.
2) Electric power has a particularly large difference in demand depending on the time of day, and late-night electric power has a small demand and has little value even if it is sold. As a biomass energy conversion system, there remains a problem in flexibly responding to power demand fluctuations according to time zones.
3) Compost obtained from the residue of methane fermentation using grass as part of the raw material may contain weed seeds, and there is a risk of increasing the effort for handling weeds when used for crop cultivation.
4) The liquid fertilizer, which is the liquid component of the methane fermentation residue, has a rapid effect, so the demand period is limited. In addition, storage or transportation is expensive. On the other hand, if it is attempted to dispose of it as wastewater, it contains a eutrophic element, so that there is a problem that its removal is expensive.
5) Enriching the carbon dioxide concentration in the atmosphere of a greenhouse or the like when the sun is shining (for example, about 1000 ppm) helps to promote plant photosynthesis. However, in the case of exhaust gas after combustion of methane fermentation gas, gas containing nitrogen oxides or sulfur oxides may adversely affect crops.
6) When trying to use energy from cut grass and pruned branches as the main raw material, the generation time is limited, so it is not efficient to install equipment that only handles them. Therefore, if these are used as auxiliary raw materials for energy conversion, in methane fermentation, those having a relatively high specific gravity such as stems take time to process and increase the residue. On the other hand, a small specific gravity such as a leaf portion has a problem that it is difficult to handle by the gasification method.

Non-Patent Document 1 shows a method in which an incineration facility and a methane fermentation facility are provided for the treatment of combustible waste including garbage, and the waste is treated with the methane fermentation facility and the others with the incineration facility. ing. However, the two facilities exchange things only by burning the dehydrated cake in the incinerator after solid-liquid separation of the residue of methane fermentation. This indicates that the amount of power generation is increased by about 30%. However, in order to increase the overall efficiency by this method, it is desired to solve the following problems.
(A) For methane fermentation, 35-40 ° C (medium temperature fermentation) can increase the conversion efficiency to the final gas, but it takes longer time for the reaction than 50-60 ° C (high temperature fermentation). There's a problem. Therefore, it is desired to increase the reaction rate by intermediate temperature fermentation.
(B) When there is a demand for compost, it can be considered that the dehydrated cake obtained by solid-liquid separation of the residue of methane fermentation is composted and effectively used. However, if it is applied to the soil with insufficient fermentation and decomposition of organic matter, it will cause a phenomenon called “root burning” in which the roots of the crop are damaged by the rapid growth of bacteria in the soil, or nitrogen. May cause hunger. Thus, in order to reduce the variation in quality and effectively use it as a compost or a soil improver, it is desired to proceed with composting fermentation quickly.
(C) When there is a demand for liquid fertilizer in the liquid residue (digested liquid) of the fermentation residue, increase the fertilizer effect. On the other hand, when there is no demand for liquid fertilizer, nitrogen content, etc. is as simple as possible It is desirable to be able to discharge it as waste water after removing the nutrient components of potato.

  Patent Document 1 considers the environment by utilizing each characteristic and making up for each other by making a system by appropriately combining methane fermentation equipment, carbonization equipment, and power generation equipment as necessary. An efficient organic waste treatment system is shown. Patent Document 2 discloses a method of separating and recovering an ammonia concentrated distilled liquid, a clean distilled liquid and a digested liquid concentrated liquid from a digested liquid (that is, a methane fermentation residue) without adding an acid. Patent Documents 3 and 4 describe a method for producing a sanitary and highly safe liquid fertilizer that does not contain suspended substances, bacteria, protozoa, polymers, etc., by separating the fermentation residue while suppressing the load on the membrane separation apparatus. It is shown. In Patent Document 5, raw biomass is indirectly heated and pyrolyzed, and an externally heated rotary kiln type pyrolyzer that generates pyrolyzed gas and char containing tar, and a tar extracted from the pyrolyzer. A biomass gasification apparatus including a gasification unit that introduces an oxidizing gas into a pyrolysis gas and char and pyrolyzes a tar content and gasifies the char is shown. Patent Document 6 discloses that non-catalytic denitration is performed before catalytic denitration at a catalytic reaction tower in a gasification melting furnace facility, and the ammonia concentration in the combustion exhaust gas flowing into the catalytic reaction tower is greatly reduced, thereby denitrating the catalytic reaction tower. A denitration method in a gasification melting furnace facility without degrading the performance of the catalyst is shown. Patent Document 7 discloses a method for producing sintered granulated aggregate using incinerated ash as a raw material, which can recover energy more efficiently in the form of combustible gas from the process of incineration of biomass.

Regarding acceleration of methane fermentation, Patent Document 8 discloses a method for controlling the concentration of bacteria in a methane fermentation tank by utilizing the difference in electrical properties between methane fermentation bacteria and acid-producing bacteria. That is, a substrate provided with an electrode capable of generating a non-uniform electric field is placed in a methane fermentation broth containing methane fermentation bacteria, and an AC voltage is applied to the electrode to generate a non-uniform electric field in the fermentation broth. And the bacteria other than the methane fermentation bacteria are preferentially attached to the electrode by the difference in the dielectrophoretic force of each bacterial cell, and the abundance ratio of the methane fermentation bacteria in the fermentation broth is increased.
Regarding the improvement of composting speed, Patent Document 9 discloses a method of composting fermented organic materials by mixing apple pomace. In addition, zeolite is used as a deodorizing and fermentation promoting material for compost using absorption power, adsorption power, and deodorizing power. Moreover, it is shown that fertilizer and utilization efficiency of phosphoric acid increase when mixed with compost and fertilizer. In Patent Document 10, artificial zeolite substituted with cation is mixed with soil for mixing horticulture and fertilizer is burned by excessive fertilization, and organic acids produced by cultivated plants are adsorbed or neutralized to suppress basidiomycetous growth. And how to prevent root rot is shown. In Patent Document 11, as a method for composting tree branches and leaves to a complete ripe state in a short period of time, mushrooms or weeds, rice bran, fermenting bacteria and moisture are added to the branch and leaves, and after mixing and stirring, the crab shell is added. Then, the method of moving to the fermentation process is shown. In Patent Document 12, after adding one or more inorganic catalysts selected from the group of volcanic ash, pumice powder, aluminum oxide, iron oxide, kaolinite, and acid clay to organic waste, heat drying treatment is performed. The method of manufacturing the organic fertilizer by performing the heat processing hold | maintained for 8 to 40 hours at 150-200 degreeC is shown. Patent Document 13 discloses a fertilizer generating method including a step of carbonizing raw garbage and a step of blending EM bacteria into the carbonized raw garbage. Patent Document 14 discloses a greening material composed of an organic soil improving material such as bark compost, a photosynthetic bacterium, a mycorrhizal fungus, a rhizobial fungus, a radiobacterium, or at least one plant growth promoting microorganism. It is shown. In Patent Document 15, a microorganism belonging to the genus Sphingomonas and capable of decomposing an aromatic organic nitrogen compound is brought into contact with a substance containing an aromatic organic nitrogen compound to decompose the aromatic organic nitrogen compound. A denitrification method is shown. Patent Document 16 discloses a method for purifying drainage, drainage, or soil containing polyvinyl alcohol by bringing it into contact with drainage, drainage, or soil containing sphingomonas bacteria or their bacterial components and polyvinyl alcohol. It is shown.

  Moreover, about the processing method of a digestive liquid, patent document 17 has shown the method of carrying out the membrane separation of the digestive liquid among methane fermentation residues, and discharging a separated liquid to a sewer after dilution. This method has a problem that the amount of water used for dilution increases depending on the content of nitrogen, phosphorus, etc. contained in the separation liquid. Patent Document 18 discloses a method of decomposing an organic substance composed of carbon, hydrogen, nitrogen, and oxygen by electrolytic oxidation. Patent Document 19 discloses a method for reducing the nitrogen content contained in the liquid by aeration. In any case, a large amount of energy is consumed for removing nitrogen and the like. In Patent Document 20, a microorganism belonging to the genus Sphingomonas and capable of decomposing an aromatic organic nitrogen compound is brought into contact with a substance containing an aromatic organic nitrogen compound to decompose the aromatic organic nitrogen compound. A denitrification method is shown. Patent Document 21 discloses a method for purifying drainage, drainage or soil containing polyvinyl alcohol by bringing Sphingomonas spp. Or its cell components into contact with drainage, drainage or soil containing polyvinyl alcohol. It is shown. As described above, Sphingomonas spp. Are known to be used to detoxify contaminated soils by decomposing organic harmful substances, but until now there has been no technology for efficiently growing Sphingomonas spp. However, it has been a bottleneck for practical use that it is too expensive to secure the amount of bacteria necessary to sufficiently decompose organic harmful substances. Thus, none can fully solve the problems of the present invention.

JP 2007-2684877 A JP 2008-23434 A JP 2006-52096 A JP 2004-99366 A JP 2007-177106 A JP 2002-326016 A JP 2004-210904 A JP 2001-352970 A JP 2004-196580 A JP 2002-84877 A JP 2000-239084 A JP 2004-168614 A JP 2001-302378 A Japanese Patent Laid-Open No. 10-244294 JP 2003-250527 A JP 2002-361217 A JP 2008-23434 A JP 2004-130186 A JP 2003-260435 A Japanese Patent Laid-Open No. 10-244294 JP 2003-250527 A

www. env. go. jp / recycle / waste / conf raw g / 05 / ref01. pdf.

  The present invention relates to an energy conversion system that combines a plurality of biomass energy conversions and crop cultivation to increase efficiency by comprehensively addressing issues such as suppression of global warming, response to fossil fuel depletion, and food production. . The term “efficient” as used herein means that it is possible to flexibly respond to day and night, seasonal changes, etc., not only under specific conditions, but to increase the value of the output (effect) as a whole.

  The first specific means for solving the problems of the present invention is that a device for partially combusting a woody material and gasifying it and a device for methane fermentation using animal and plant waste as a raw material are provided together with the remaining heat from the former to the latter. When the demand for power supply is high, the gas generated from both of them is combusted to generate power.When the demand for power is low, the methane fermentation gas is stored. The supplied gas is burned and supplied.

  The second specific method is a device that cuts cut grass or pruned branches and performs specific gravity selection using wind in 0010. A device having a large bulk specific gravity is a partial combustion gasifier, while a bulk specific gravity of The smaller one is to use as raw material in methane fermentation equipment.

  A third specific means is that in 0010, the organic waste is subjected to methane fermentation treatment using an inoculum, a substance serving as a bait, and a methane fermentation fungus that has been propagated by adding terahertz waves. is there.

  A fourth specific means is to immerse a mineral that generates a terahertz wave in a powder form or a molded product such as a ceramic ball in a growth solution in order to apply a terahertz wave in 0012.

  A fifth specific means is that in 0010, 0012 to 0013, a mineral that generates terahertz waves contains one or more elements having an atomic number of 57 or more, particularly preferably a lanthanoid element, It is to use one containing an actinoid element.

  A sixth specific means is that in 0010, 0012 to 0014, one or more of amatite, monazite, and agate stone are used as a mineral that generates a terahertz wave.

  The seventh specific means is that in 0010 to 0015, when the demand for the generated electric power is low, the water is activated using the electric power to produce activated water, hydrogen gas, and oxygen gas. .

  The eighth specific means is that the oxygen gas obtained in 0016 and a part of the hydrogen gas are added to a device that generates electricity by gasification or / and combustion of 0010 through a storage device, thereby reducing the amount of power generation. It is used to increase.

  A ninth specific means is to cultivate photosynthetic bacteria using artificial light obtained from the generated electric power and add it to the soil in 0010.

  The tenth specific means is that in 0018, the photosynthetic bacterium is cultured by adding an inoculum, a substance serving as a bait, and terahertz waves to the liquid.

  The eleventh specific means is that in 0010, a greenhouse for plant cultivation is juxtaposed, artificial light irradiation using generated power, and a photosynthetic bacterium produced by the methods of 0018 and 0019 are added to the soil for cultivation. It is to be.

  The twelfth specific means is that in 0010, the solid content of the methane fermentation residue is heated to 80 ° C. or higher by using the generated residual heat in the system, thereby detoxifying the seeds of weeds.

  The thirteenth specific means is composting in which there is demand for solid fertilizers such as compost, which is proliferated by adding minerals that generate terahertz waves of 0013 to 0015 to the solid content of the residue of 0010 methane fermentation treatment. Composting by adding fungi.

  The fourteenth specific means is to use, in 0010, the ash, which is a by-product when the wood raw material is gasified, is added to the compost obtained from the methane fermentation residue.

  Fifteenth specific means is to purify by adding powder containing Hakushu soil to the liquid component of the residue of 0010 methane fermentation.

  The 16th concrete means is that the Hakushu soil used in 0024 is heated in a temperature range of 200 to 1100 ° C.

  In a seventeenth specific means, when there is no demand as liquid fertilizer for the liquid content of the residue of 0010 methane fermentation treatment, the liquid contains terahertz wave products of 0013 to 0015 and organic carbon such as waste cooking oil. It is to add a substance and remove the nitrogen content.

  The 18th of the specific means is to perform a treatment for removing nitrogen by adding fine ore powders of calcium compound ores such as those caused by uplifting coral reefs in 0026.

  Nineteenth of the specific means is that in 0010, the combustion exhaust gas under the condition in which no methane fermentation gas is added is stored as a carbon dioxide-containing gas, and is supplied into the greenhouse when the sun is shining to produce the photosynthetic reaction of the crop Is to promote.

  The twentieth specific means is to plant fast growing tree species and bamboo in the vicinity of the installation place in 0010 and use them as a part of the raw material of the gasifier.

  The method 0010 makes it possible to efficiently use various biomass, improve the overall power generation efficiency, and flexibly respond to changes in the demand for power. By the method 0011, each part of the cut grass or pruned branch is divided so that energy can be efficiently converted. By the method of 0012, fungi for methane fermentation can be efficiently propagated. Fungi can be activated efficiently by the methods of 0013, 0014, and 0015. By the method of 0016, 0017, the amount of externally supplied power can be adjusted according to the demand fluctuation in each time zone. The method of 0018, 0019, and 0020 can effectively use late-night power to increase crop yield. By the method of 0021, the problem of weed seeds, which is one of the problems of compost obtained from the residue of methane fermentation using livestock dung, cut grass and the like as part of the raw material, can be solved. By the method 0022, composting of the methane fermentation residue can be promoted. By the method of 0023, the ash that is a by-product when the woody material is gasified can be used effectively. By the methods 0024 and 0025, harmful components contained in the liquid of the methane fermentation residue can be removed. By the method of 0026 and 0027, when the water in the residue of methane fermentation is not in demand as liquid fertilizer, the wastewater treatment can be performed without adversely affecting the environment. By the method of 0028, crop yield can be increased as an inexpensive and harmless carbon dioxide source. By the method 0029, the absorption and fixation of the discharged carbon dioxide gas can be promoted.

The various raw materials in this invention and the energy flow to produce | generate are shown. An example of the apparatus used for the proliferation of the fungi in this invention is shown. The process flow when there is a demand for solid fertilizer such as compost and liquid fertilizer in the present invention is shown.

In order to carry out the present invention, it is necessary to install a gasification apparatus for woody biomass material and an apparatus for methane fermentation of a biomass material with a high moisture content of animal and plant waste systems. The reason why the two kinds of energy conversion devices are provided in the present invention is as follows.
1) Although the energy conversion method that can be adopted for biomass is limited by the moisture content, almost all biomass cannot be treated by one method. Therefore, the two are combined from the viewpoint of widening the processing target. This has effects such as ensuring the stability of biomass raw materials and reducing transportation costs.
2) When power is generated using the obtained gas, the gas generated by the gasification method using air has a high nitrogen content (about 50%), so the calorific value is low, which is disadvantageous in terms of electrical conversion efficiency. Tend to. On the other hand, when power is generated using gas obtained by methane fermentation, the sulfur oxides in the exhaust gas are high and the burden of exhaust gas purification is large. To solve these problems, both gases can be mixed and used for power generation.
3) By using a combination of by-products during energy conversion, it can be used effectively for crop cultivation.

  There are various types of furnaces such as a fixed bed type, a fluidized bed type, and a rotary kiln type as the gasifier for the woody material. In addition, there are a method using cheap air as an oxygen source for gasification by partial combustion, and a method using a method in which nitrogen components such as pure oxygen are removed or reduced. In the present invention, wood chips, pellets, briquettes and other types (bamboo, grass, etc.), various shapes of raw materials can be used, tar generation troubles can be suppressed, and the amount of carbon dioxide generated can be suppressed. From the point of view, the fixed floor type is most suitable. This is charged with the above raw material dried with the residual heat in the system as necessary, and partially burned by blowing air preheated with the residual heat in the system, and the furnace temperature is set to 700 to 760, for example. Gasified, and once cooled to 70 ° C., when water is agglomerated and separated, tar removed, and ash separated, for example, CO = 22 ± 2%, H2 = 22 ± 2%, CH3 = 1 to A gas of 2%, CO2 = 8-10%, and the remaining N2 is obtained. In addition to this gas, it produces separated ash. If ash contains chromium (for example, due to contamination from a stainless steel tool), there is a risk that hexavalent chromium may be produced if the oxidation degree of the high-temperature atmosphere during ash separation is high as in complete combustion. is there. On the other hand, since the degree of oxidation of the atmosphere is low during gasification, there is no problem of hexavalent chromium generation. This generated gas is burned alone or together with the methane fermentation gas obtained by the method described in 0034, and is generated by the gas turbine method or the gas engine method. In this step, as the remaining heat, heat generated when the gasified material is cooled and heat of exhaust gas after power generation by a gas turbine or gas engine method are generated.

On the other hand, the methane fermentation method decomposes septic organic substances such as carbohydrates, proteins, lipids, and some of the fibers in the organic content using microorganisms (fungi for methane fermentation, etc.), and finally It is to convert into gas containing methane gas and carbon dioxide (also called biogas). This treatment is performed while maintaining the anaerobic condition at a temperature of 35 to 40 ° C. (medium temperature fermentation) or 50 to 60 ° C. (high temperature fermentation). Examples of the composition of the biogas obtained are CH4: 55-70% and CO2: 30-45%. The decomposition mechanism in methane fermentation consists of the following three stages.
(1) The organic component is hydrolyzed (solubilized).
(2) Acid-producing bacteria act on this to produce acids (monosaccharides for carbohydrates, C3-C6 fatty acids via carbohydrates, long-chain fatty acids and glycerins for lipids, amino acids and peptides for proteins) The acid is decomposed into acetic acid and hydrogen by methane fermentation bacteria.
(3) Acetic acid and hydrogen react to become methane and carbon dioxide.
There are wet and dry methods for methane fermentation. In the wet method, livestock excrement, sludge, food-related waste, etc. are mainly used, and the moisture is about 90%, and the fermentation temperature is about 40 ° C. or higher. Thereby, methane fermentation gas and a fermentation residue are obtained as a by-product.
In many cases, the liquid content of the fermentation residue cannot be effectively used as liquid fertilizer in many cases. On the other hand, if it is to be treated as wastewater, there is a problem that it is expensive to remove the contained fertilizer components. It was. On the other hand, the dry process is to operate methane fermentation under conditions that do not generate drainage. However, the raw materials that can be used in this case are limited, and there is a problem that the energy required for stirring during methane fermentation increases. In this invention, since the method which can utilize effectively the liquid part of a fermentation residue is taken, a wet method can be employ | adopted as a methane fermentation method. In order to obtain an optimum temperature for methane fermentation, the generated residual heat in the system described in 0033 is used. FIG. 1 shows a flow of raw materials and generated energy in the present invention.

  As a measure for promoting methane fermentation, in the present invention, terahertz waves are used in the present invention in order to increase the degree of growth of methane-fermenting fungi and keep the activity high. The terahertz wave is an electromagnetic wave having a frequency of 0.1 to 10 THz, and is in a middle region between a radio wave and an infrared ray, which is a kind of light, and has properties of light and radio wave. This can be applied to a liquid such as water to activate the water. In addition, when a living body (or via water) is irradiated, the living body can be activated. Terahertz wave generation methods include gyrotrons, backward wave tubes, far infrared lasers, quantum cascade lasers, free electron lasers, synchrotron radiation, photomixing sources, etc. In this case, it is extremely weak. Since terahertz waves have a limited propagation distance in a liquid, it is generally difficult to sufficiently act on a living body such as fungi in water. In the present invention, as a countermeasure, a mineral that generates terahertz waves is immersed in a growth liquid in the form of a powder or a molded product such as a ceramic ball. Minerals that generate terahertz waves include one or more elements having an atomic number of 57 or more. Particularly preferably, these elements contain lanthanoid elements and actinoid elements. When two or more elements are mixed, terahertz waves can be efficiently generated by interaction of electromagnetic waves generated from the elements. Natural minerals that efficiently generate terahertz waves include Amaterite, monazite, and agate stone. A ceramic molded product such as a powdery or porous ceramic ball is immersed in the liquid. When making a ceramic molded product, a coarse powder mainly composed of silica is added to fine powder containing these elements, and a bond is added, for example, a spherical shape having a diameter of 2 to 6 mm, 250 ° C. or higher, Firing at a temperature of 600 ° C. or lower. Thereby, the fine space formed on the surface or inside of the ceramic ball is effectively used as a place where methane fermentation fungi are activated by terahertz waves and efficiently proliferate. Even if the shape is not spherical, the same function can be exhibited as long as it is molded. In the present invention, a ceramic molded body that generates such a terahertz wave is referred to as a “terahertz bead”. When manufacturing terahertz beads, it is also effective to add 5 to 30% of barley stone in addition to the above components.

FIG. 2 shows an example of an apparatus used for the growth of methane fermentation fungi using ceramic beads (molded product such as a ceramic ball that generates terahertz waves). The tank can hold about 2t of liquid. As a material of the tank 1, a material made of stainless steel is suitable. The tank is provided with a stirring device 2, a visual window 3, a temperature adjusting device 4, a raw material charging 5, a liquid outlet 6 and the like. Stirring is performed while adjusting the temperature of the liquid to a range of 20 to 50 ° C. by adding to the water in the tank a substance that becomes a food for fungi for methane fermentation, such as a substance containing dietary fiber. If the temperature of the liquid is less than 20 ° C., the growth rate of the bacteria is low, and if it exceeds 50 ° C., the damage of the kind proceeds, so neither is preferable. Especially preferably, it is the range of 35 +/- 10 degreeC. In addition, pH shall be 6.0 or less and 1.5 or more. The appropriate number of processing days is, for example, 2 to 4 days.

  The methane fermentation fungi thus grown are extracted from 6 in FIG. 2 and transferred to the methane fermentation apparatus. What was adjusted by the method described by 0034,0035 used as the processing target object of methane fermentation adjusts a water content to the range of 85-94%, and transfers it to a methane fermenter. It is also possible to immerse the terahertz beads described in 0036 (molded from a mineral generating a terahertz region wave like a ceramic ball) in this methane fermentation tank. As a method of immersing the terahertz beads, for example, a method in which terahertz beads are put in a net and the net is connected with a string is used. This maintains good contact between the reactant during methane fermentation and the terahertz beads, and facilitates separation and recovery of the terahertz beads after the methane fermentation treatment. And a methane fermentation process is performed for 7 to 12 days, and the generated methane gas (with a carbon dioxide gas) is collect | recovered. Mesophilic fermentation at a temperature of 35-40 ° C is suitable. In order to obtain an optimum temperature for methane fermentation, the generated residual heat in the system described in 0026 is used.

Special raw materials involved in both of the two methods of energy conversion of the present invention include cut grass and pruned branches. For mowing grass and pruned branches, the seasons that occur are limited, and the stems and other parts are too dense to be used for methane fermentation, and on the other hand, for partial combustion and gasification Leaves have a problem that the bulk specific gravity is too small and may hinder stable operation. At present, for example, a method of burning and energizing in a rotary kiln is used, but there are problems such as low availability and energy conversion efficiency. On the other hand, in this invention, it enables it to utilize effectively as one part of the raw material of two energy converters as follows.
1) Cut the cut grass, pruned branches, etc. to a length of 50 to 100 mm with a cutting machine, and stir to separate the leaves from the stem. 2) This is applied to a sorting machine such as a wind blowing method from the bottom or a wind blowing method from the side, and by bulk specific gravity, the stem portion and the leaf are the central portion for cut grass, and the diameter for the pruned branch is Separate into 2 mm or more branch parts and other parts. And a part with large bulk specific gravity is used as a raw material of a gasifier, and a part other than that is used as a raw material of methane fermentation. Thereby, it is not necessary to install a special apparatus with a low operating rate, and energy conversion can be performed in a form that is not unreasonable for a gasifier and a methane fermentation apparatus.

In FIG. 1, the gas obtained by gasifying woody biomass is burned and used for power generation by the gas turbine method or the gas engine method. The methane fermentation gas obtained by the methane fermentation method passes through the storage tank, and is used for power generation together with the gas obtained from the woody biomass in a time zone where there is a large demand for electric power. By combining the gas obtained from the two energy conversion devices, the heat generation amount is set to 3000 kcal / Nm3 or more, so that the power generation efficiency of, for example, a gas engine generator is stably increased to 30% or more. be able to. Compared with the case where the generated gas of methane fermentation is used alone, the concentration of sulfur oxides in the exhaust gas can be reduced to 1/3 or less. Moreover, the concentration of nitrogen oxides can be reduced to ½ or less by slightly reducing the combustion temperature by mixing the gases. By these, the equipment burden for purification of exhaust gas can be reduced. On the other hand, methane gas is stored during times when power demand is low. This makes it possible to adjust the amount of power generation according to the time zone.

  Furthermore, in order to adjust the amount of power generation according to the time zone, an apparatus for activating an aqueous solution, producing and storing hydrogen and oxygen using electric power is also provided. This includes an aqueous solution activation device (device A), electrolysis hydrogen gas, oxygen gas generator (device B), hydrogen gas storage device (device C), and product oxygen gas. Storage device (device D) and an activated electrolyte storage device (device E). For example, those disclosed in JP 2006-217698 A and JP 2009-041086 A can be used. Apparatus A is for activating an aqueous solution using surplus power to obtain an alkaline electrolyte and 1 part hydrogen gas. The obtained hydrogen gas is sent to a hydrogen gas storage device (device C). The obtained activated electrolyte solution is sent to the device B through the storage device. The apparatus B is for producing hydrogen gas and oxygen gas by receiving the alkaline activated electrolyte from the apparatus A and the electric power sent from the generator converted into DC power. . An example of the configuration and function is as follows. The tank containing the aqueous solution is composed of two (B-1, B-2), and B-1 is divided into two by an ion exchange membrane (impervious to cations) (B-1-1, B-). 1-2). A cathode is installed at B-1-1 and an anode is installed at B-1-2, and DC power is applied. The alkaline electrolyte is supplied from the device A to the device B-1-1, and the anion passes through the ion exchange membrane and moves to the device B-1-2. In B-1-1, hydrogen gas is generated by electrolysis, and the hydrogen gas is sent to the apparatus C. On the other hand, in the device B-1-2, oxygen gas is generated, and the oxygen gas is sent to the device D. In the apparatus B-1-2, H ions are accumulated by the action of the ion exchange membrane. The liquid in which the H ions are accumulated is sent to the apparatus B-2, converted into hydrogen gas by the catalyst installed therein, and the generated hydrogen gas is sent to the apparatus C. Since the effluent of apparatus B-1-2 is basically pure water, it is supplied to apparatus B-1, apparatus A, etc. and used to adjust the ion concentration of the aqueous solution in each tank. In this way, the device B-1-1 accepts hydrogen ions generated by the device B-1-2 and receives them as hydrogen gas, and the device B-1-2 accepts OH ions from the device B-1-1 and supplies oxygen gas. To generate hydrogen ions and supply them to apparatus B-2. The apparatus B-2 receives a liquid containing H ions and generates hydrogen gas by the action of the catalyst. By sharing the functions in this way, the amount of hydrogen gas and oxygen gas generated per power consumption can be increased. In the present invention, the method for further increasing the generation efficiency of hydrogen gas and oxygen gas is to apply terahertz waves to the aqueous solution of the aqueous solution activation device (device A) and the hydrogen and oxygen generator (device B) by electrolysis. In order to add, a ceramic molding such as a ceramic ball is immersed in the liquid. The terahertz wave is an electromagnetic wave having a frequency of 0.1 to 10 THz, and is in a middle region between a radio wave and an infrared ray, which is a kind of light, and has properties of light and radio wave. By irradiating this, it can be activated by vibrating the molecules. Accordingly, the present invention can increase the amount of hydrogen gas and oxygen gas generated by electrolysis.

  When the electric power generated by burning the gas obtained from the biomass with this device exceeds the demand, hydrogen gas, oxygen gas, and activated water are produced using the electric power and stored in the storage tanks. Oxygen gas is used in addition to air in a woody biomass gasifier in a time zone where it is desired to reduce the amount of power generation. Thereby, the efficiency of gasification can be increased. On the other hand, hydrogen gas is used together when producing high-temperature gas for power generation. In addition, if there is a demand, it can also be used for external sales as hydrogen gas or for generating electricity with a hydrogen battery. In addition, the storage as active water is used together because the storage efficiency is higher than the storage in a gaseous state like oxygen gas or hydrogen gas. By this method, the power supplied to the outside can be efficiently adjusted according to demand.

  As a countermeasure for times when the external power demand is low, another method is to effectively use surplus power in the system, particularly for increasing agricultural production. More than 95% of soil microorganisms, like humans, derive energy and nutrients from organic matter that is photosynthesised by plants. This is because it is more efficient. The exception is photosynthetic bacteria. This is one of the microorganisms that use light as an energy source. In the past, many existed in the water and in the sea, but due to changes in the natural environment, they cannot spontaneously expand and proliferate in a short time without human management. Photosynthetic bacteria absorb light energy and form substances with strong reducing power. This reacts with fertilizer components such as liquid fertilizer, compost, and corrosive soil in the soil, and the cultivated crop functions to make the fertilizer components easy to use effectively. It also has the effect of activating the bacterial chain by creating nutrients in the soil through photosynthesis. The first method of effectively using electric power to utilize this effect is the cultivation of photosynthetic bacteria. Culture is promoted by adding photosynthetic bacteria in the culture and applying light while adjusting aeration, stirring and temperature. For this culture, artificial light using electric power is used as a light source. At this time, in order to further promote the cultivation of photosynthetic bacteria, in the present invention, the same growth method as shown in FIG. 2 can be applied by applying the terahertz wave indicated by 0036. The photosynthetic bacteria thus proliferated are extracted from 6 in FIG. 2 and sprayed on the soil.

  The second method of effective use of power during times when there is little external power demand is to add artificial photosynthetic light that is produced using power during hours when the sun is not shining after adding cultured photosynthetic bacteria to the soil. Irradiate to promote the activity of photosynthetic bacteria. For example, liquid fertilizer and photosynthetic bacteria are added to the cultivated soil immediately before planting the plant, and the activities of the photosynthetic bacteria are promoted by applying fluorescent lamps when the sun is not shining. To. In addition, after planting the plant, it has the effect of increasing the yield by accelerating the photosynthesis of the crop by applying a fluorescent lamp during the time when the sun is not shining.

  Another way to effectively use the generated electricity at night is to use it as a intensive large kidnapping light to control pests in the region. In the time when there are many pests with feathers (for example, from spring to summer and autumn), the insects are gathered and killed by light during the night time after dark.

  From here, the effective utilization method of the residue (by-product) when energizing various biomass is described. The residue after the methane fermentation treatment is finished is separated into a solid content and a liquid content by a method such as compression. When there is a demand for solid fertilizers such as compost, composting is performed using solids. In that case, composting fungi grown by adding a mineral or the like that generates terahertz waves to the solid content of the residue of the methane fermentation treatment by the same method as shown in 0036 and 0037 is performed.

  In addition, when cow dung etc. are mixed in the raw material of methane fermentation, seeds such as grass may be included. Also, when the cut grass described in 0038 is used as a raw material for methane fermentation, weed seeds may be included. When the compost obtained in such a state is used, the problem of weeds arises. When compost made from such methane fermentation residue is added to the soil for crop cultivation, weeds will sprout and increase the work burden for weed removal. This is one of the reasons why organic fertilizers are often shunned against chemical fertilizers. The countermeasure is that the solid content of the methane fermentation residue is heated to 80 ° C. or higher by using the generated residual heat in the system to lower the germination ability of weeds and detoxify the present invention. The compost is mixed by heating to 80 ° C or higher. Setting the heating temperature to 80 ° C. or higher is a necessary condition for reducing the germination ability. On the other hand, when this heating temperature is high, it is effective to reduce the germination ability of weeds. However, when the heating temperature is 110 ° C. or higher, the nitrogen content of compost decreases. Therefore, the heating temperature is particularly preferably adjusted to 80 to 110 ° C. As the heat source for this heating, in the present invention, residual heat generated in the system, for example, exhaust gas after being used for power generation is directly converted into heat water or steam is used.

  In addition to the compost thus obtained, it is effective to combine the wood ash generated when the woody biomass described in 0033 is gasified and used for crop cultivation. The ash obtained by gasification includes Ca about 28%, K about 5%, Na about 1%, Mg about 5%, Fe about 2%, C about 5% or more, P about 1%, Cl about 0.4% is included. In the present invention, the solid content of the methane fermentation residue and the distribution obtained by gasification can be mixed to make a balance as a fertilizer component.

  The liquid content of methane fermentation residue is used as liquid fertilizer when it is in demand as liquid fertilizer. Cleaning can be performed by adding a powder containing. Hakushu soil is a kind of volcanic ash, and it is a mineral produced in Kagoshima Prefecture, etc. at the foot of Mt. Aso in Japan. This area is called Hakushu earth, and there are abundant raw materials. At present, it is used for the manufacture of cosmetic soap, and its full-scale use is not progressing. The shape is soft volcanic ash, and the brittle mass can be easily broken. It is a mineral with high adsorptive power and has the ability to adsorb by reacting with negative ions of radioactive substances such as iodine with strong positive ions. In the present invention, this high adsorption force is utilized. The Hakushu soil used in the present invention may be any of powder, fine particles 0, about 5 mm to about 5 mm, quarry crushing state, and the like. Moreover, in order to further raise adsorption | suction power as needed, it heats to the temperature range of 200-1100 degreeC. In the present invention, this Hakushu soil or its heated product can be used alone, or a mixed powder or molded product of activated carbon, zeolite, or the like can be used in order to further expand the range of the target adsorbate. The precipitate obtained by adding this to water is returned to the methane fermentation residue and the treatment is repeated.

  Since liquid fertilizer is a fast-acting fertilizer, the period of effective use for crops is limited. In the period when it cannot be used as a normal liquid fertilizer, the invention takes the following method. The first method is to supply and circulate hot water or steam generated by the residual heat of power generation through a pipe to a tank in which the liquid content of methane fermentation residue is stored, and indirectly evaporate the water content of the liquid. This makes 15-50% of the weight before processing. Furthermore, if the temperature of liquid fertilizer does not exceed 110 ° C., release of nitrogen content can be suppressed. This facilitates storage or transportation. When used as liquid fertilizer, water is added to adjust the concentration. For example, water is added and the amount of the concentrated liquid is increased 2 to 6 times and fertilized on the cultivated crop. As a result, the use of the liquid obtained from the methane fermentation residue can be expanded and the added value can be increased.

  The second countermeasure when there is no demand for liquid fertilizer is to allow drainage. For this purpose, the same terahertz wave generation product as the terahertz beads indicated by 0035 and an organic carbon material such as waste cooking oil are added to remove nitrogen. Further, when it is necessary to enhance the nitrogen removal effect, what is further added to the beads is a calcium compound ore fine powder mainly composed of calcium carbonate. Calcium compounds include those of biological origin and chemical precipitation origin. Any source can be used in the present invention, but particularly preferably, the organism originates from, for example, a raised coral reef. And after removing an impurity through a lime type filter etc. as needed, it confirms that the water after processing satisfies the conditions for drainage, and drains.

  By sending combustion waste gas containing carbon dioxide gas to a greenhouse or the like to bring the carbon dioxide gas concentration to, for example, about 1000 ppm, the photosynthetic reaction can be promoted and the crop yield can be increased. However, in this case, if the concentration of nitrogen oxides or sulfur oxides is not sufficiently lowered (for example, 30 ppm or less), it may adversely affect crops. Carbon dioxide enrichment is effective in increasing crop yields when the sun is shining, and because it is limited seasonally, all combustion waste gas is less than the normal emission limit. It is not economical to do a much stricter reduction to this level. Therefore, in the present invention, the exhaust gas after generating electricity by burning the gas described in 0039, which is in a time zone in which no methane fermentation gas is added, is stored in a gas tank, and is effective for crops in a greenhouse. Supplied through plumbing in time, season. The supply speed is automatically controlled so that the carbon dioxide concentration in the atmosphere becomes 1000 ± 100 ppm in combination with a carbon dioxide concentration measuring device in the greenhouse.

  In order to carry out energy conversion using biomass as a raw material and to supply the required energy, it is one of the important issues to obtain biomass resources corresponding to seasonal variations (for example, the rainy season, winter season, etc.). In the method of the present invention, the methane fermentation apparatus is less dependent on seasonal fluctuations because it uses waste-based raw materials, but the gasification apparatus mainly consisting of wooden raw materials is supplied with seasonal raw materials. Susceptible to various factors such as weather. In order to cope with this, in the present invention, trees, bamboo, etc. are planted in the vicinity of the installation location so that they can be used as a part of the raw material of the gasifier. Plants that can be planted can be grown twice or three times or more from the remaining parts even after cutting the ground part, for example, one or more species of paulownia, one kind of bamboo subfamily Or, two or more species are suitable, and a common feature of the genus Paulownia is that even if the above-ground part is cut down, shoots repeatedly grow from the roots and grow into mature trees. By making use of this characteristic, it is possible to obtain adult trees repeatedly without digging up roots. Although the climatic conditions desirable for growth differ depending on the type, ordinary paulownia turns into a mature tree in just over 10 years. The higher the temperature, the greater the growth rate, but the hybrid called Super Polonia, which is a kind of paulownia, grows fast and becomes mature in 4-5 years. However, it must be a warm area. Those belonging to the Bamboo family have roots that expand steadily and stems grow from there within 4 years. Currently, in the mountains and the like, bamboo overgrow and destroy other trees. Plants suitable for suppressing global warming in the sense that carbon dioxide absorption rate by photosynthesis is high, such as those that can grow rapidly on the ground while repeatedly utilizing roots like paulownia and bamboo It can be said to be a seed. However, since these fast-growing plants have a small apparent specific gravity, there is a drawback that transport efficiency is lower than that of other trees for transporting them to a place where a biomass energy conversion device is located. Therefore, it is reasonable to plant these near the installation site of the energy conversion device and effectively use them as a part of the raw material when the wood raw material is insufficient. In addition, in order to promote the growth of the plantation material, methane fermentation residue, compost, liquid fertilizer, and the like, which are by-products from the energy conversion device, can be used effectively.

  The gasifier was a fixed-bed type from Pudas, Finland, and produced about 1000 kW using the gas shown in 0033 as energy, using wood chips about 14 t / day. In addition, the ash obtained as a by-product is about 2% of the raw material used, and its component is as an example. (SiO2; 33%, Al2O3; 5%, CaO: 47%, MgO; 5%, K2O; 2%, Fe2O3; 0.5%, Cr6 +: not detected). The methane fermentation apparatus is a wet process of Preseco, Finland. The main raw materials were mainly livestock droppings (cattle droppings about 65%, pork droppings 25%, other sludge etc. 10%) and adjusted to about 90% moisture. The fermentation temperature is about 40 ° C. As a result, a production energy of about 900 kW as fermentation gas (CH4: about 60%, CO2: about 40%) was obtained. The generator was a gas engine type generator, which used a combination of gas obtained from wood gasification and gas obtained from methane fermentation. Power generation was performed from 6 o'clock to 23 o'clock. During the time when power generation was stopped, the gas obtained from methane fermentation was stored in a tank, and power generation was performed only by gasifying woody biomass. The methane fermenter was kept warm throughout the entire period, and power generation was performed using warm water made from the residual heat generated when the woody biomass was gasified. The fermentation residue from the methane fermentation apparatus was separated into a solid content (containing 60% water) and liquid fertilizer through a filter, and the solid content was subjected to methane fermentation.

  The cut grass was accepted at a rate of about 1.5 t / day in June and October. After cutting it to a length of 50 mm, stirring it with a blade, and then blowing a wind of 8 m / sec from the side. Then, separation by bulk specific gravity was performed. Divided by the drop point, the bulk specific gravity is separated into large one (weight ratio about 40%) and the bulk specific gravity is small (weight ratio about 60%). The former is a wood material gasifier and the latter is a methane fermentation furnace. Added to. Note that the amount of main raw material used was reduced by the amount added. The operating conditions and products of both devices for energy conversion were not significantly different from those described in 0054.

  Pruned branches were accepted at a rate of about 1.2 t / day in July and November. This was cut into a length of 50 mm, stirred using blades, then blown from the side, and separated by bulk specific gravity. Divided by the point of fall, the bulk specific gravity is separated (weight ratio about 55%) and the bulk specific gravity is small (weight ratio about 45%). The former is a woody material gasifier and the latter is a methane fermentation furnace. Added to. In addition, the use amount of the main raw material described was decreased by the added amount. The operating conditions and products of both devices for energy conversion were not significantly different from those described in 0054.

In a stainless steel tank shown in FIG. 2, 2,000 liters of water and 2 to 4 mm diameter ceramic balls (mixed and pulverized 1: 1 by weight of austenite and mozzanite) are put into 100 kg. Add 100 g of inoculum for fungi for methane fermentation (including complex lactic acid bacteria) and 15 kg of food containing molasses and plant fiber, keep stirring at a predetermined liquid temperature of ± 3 ° C., and various conditions for 3 days. The methane fermentation bacteria were propagated by treatment with, and a growth ratio of 185 was obtained. (Comparison; no ceramic balls; 28). Using the bacteria thus grown and the bacteria grown by the conventional method as a comparative material, methane fermentation was carried out for 10 days, and the following results were obtained.
(A) Condition a: When a methane-fermenting bacterium proliferated using terahertz waves is used; methane fermentation efficiency 0.73
(B) Condition b: When methane fermenting bacteria grown using terahertz waves are used and 15 kg of ceramic balls having a diameter of 2 to 4 mm are added to the methane fermenter: Methane fermentation efficiency 0.93
(C) Condition c (comparison); conventional method; methane fermentation efficiency 0.23

  The apparatus of Example 1 was provided with the aqueous solution activation / electrolysis apparatus described in 0040, and the operation described in the method described in 0042 was performed so that the power supplied to the outside was zero between 23 and 6 o'clock. The obtained methane fermentation gas, oxygen gas, and hydrogen gas were temporarily stored and used by the method shown in 0042 between 6 and 23:00. As a result, the daily external power supply is obtained as 89 when the comparative example (without using the aqueous solution activation / electrolysis apparatus and using the methane fermentation gas uniformly over time) is 100. It was. And sales of external power supply increased by 4%.

  Photosynthesis is performed by adding 10 g of MSR medium (manufactured by Kanto Chemical; containing nitrogen, carbon, vitamins, and minerals) to 1 liter of water in a plastic bag sterilized by autoclaving in advance, and adding the photosynthetic bacteria. Keep it sealed at anaerobic condition, keep it at about 30 ° C, and receive the light when it is exposed to the sun. Was confirmed to have turned red, and the culture was terminated. The culture solution was added to the greenhouse soil before planting the palms together with the liquid fertilizer. Then, for 5 days until the palm seedlings were planted, the fluorescent light was applied for the time when the sun was not shining, and for 1 month after the seedlings were planted, until 10 o'clock at night. The yield of the eggplant subjected to this treatment was 24% higher than that of the comparative example.

  In addition to the method of 0059, 50 g of ceramic balls having a diameter of 2 to 4 mm (mixed and pulverized 1: 1 by weight ratio) and 1 g of water are added to 1 liter of water. Was cultured. Thereby, compared with 0048, the culture time was shortened to 3 days, and almost the same effect could be obtained.

  The solid component layer obtained by separating the liquid component from the methane fermentation residue obtained in Example 1 was heated to 82 ° C or higher by carrying 95 ° C hot water obtained by passing the power generation exhaust gas through a boiler. Heated. The nitrogen content of the humus soil thus obtained was 0.5%, which was almost the same as that before heating, but weed germination could be suppressed almost completely. Add 65% by weight, 25% by weight of ash obtained by gasification, and 10% by weight of concentrated liquid fertilizer described in 0037 to make granules, and replace it with chemical fertilizer to produce fruit and root vegetables. Added to the soil.

  Among the methane fermentation residues, the solid content (water content average 65%) obtained through the pressure filter has a demand for compost (February, March, April, May, August, 9 In October and October), composting bacteria grown and activated by the method of 0029 were mixed to form a composting layer having a height of 80 cm. At the bottom, pipes for blowing high-pressure air (5 atm) (water can be mixed) are installed at intervals of 40 cm. And according to the indication value of the thermometer inserted in the composting layer, the temperature is kept in the range of 40 to 65 by adjusting the blowing amount of the high-pressure air and the activated water, and switching is performed. No ripe compost was produced in 12 days. It was supplied to the outside as compost.

  The ash obtained by gasification is added at 10% by weight to the compost obtained by separating the liquid from the methane fermentation residue obtained in Example 1, and it is replaced with a chemical fertilizer to produce fruit and root vegetables. Added to cultivated soil.

  The water separated from the methane fermentation residue treated in Example 1 by using a press machine was obtained by crushing Hakushu soil (Condition s) and calcined at 450 ° C. (Condition t) at 15 g / liter. Added in proportions. As a result, the amount of heavy metal was reduced to 1/125 under the condition s and 1/250 under the condition t, compared to before treatment.

  In January, June, July, November, and December, the liquid obtained from the methane fermentation residue is 1 ml / 100 ml (water) of waste cooking oil while invading the net containing ceramic balls with a diameter of 2 to 4 mm. In addition, by stirring for 5 minutes, the total nitrogen content of the liquid was reduced from 250 mg / l to 48 mg / l, and after adding a gypsum-based flocculant and filtering, the analysis was carried out to determine the drainage conditions. After confirming that they were satisfied, the wastewater was treated.

  In January, June, July, November, and December, the liquid obtained from the methane fermentation residue is 1 ml / 100 ml (water) of waste cooking oil while invading the net containing ceramic balls with a diameter of 2 to 4 mm. In addition, by stirring for 5 minutes, the total nitrogen content of the liquid was reduced from 250 mg / l to 48 mg / l, and after adding a gypsum-based flocculant and filtering, the analysis was carried out to determine the drainage conditions. After confirming that they were satisfied, the wastewater was treated.

  In Example 1, exhaust gas (CO2; 22%, NOx; 20 ppm, SOx; 18 ppm) generated when power was generated without adding methane fermentation gas was stored in a gas tank, and the greenhouse was kept from sunrise to 14:00 on a sunny day. The carbon dioxide gas concentration was 1000 to 1200 ppm, so that the yield could be increased by 8%.

  Super Pollow which is a kind of paulownia at a waste final disposal site that was abolished two years ago at a location 1.5 km from the installation location of the energy conversion device of Example 1 and an area of about 240 × 104 m 2 Nia and Miso bamboo were planted approximately 50% each. Super Pollonia and Munetake Bamboo were cut down from three years after planting, turned into chips, and used as raw materials for gasifiers. The logging operation of Super Polonia and Bunso bamboo was carried out mainly from autumn to winter, and 25% of the biomass raw material required for the gasifier was supplied throughout the year.

  According to the method of the present invention, combustible waste can be converted into electric energy by a method that takes advantage of each characteristic, and the amount of power generation can be adjusted according to the time zone. It becomes possible to cope with.

1: Tank 2: Stirring device 3: Visual window 4: Temperature adjusting device 5: Raw material inlet 6: Liquid outlet 7: Ceramic molding such as a ceramic ball

Claims (20)

  A device that partially gasifies woody raw material and a device that ferments methane using animal and plant wastes as raw materials are provided to supply residual heat from the former to the latter. Biomass energy is characterized by storing methane fermentation gas when the power demand is small when burning and generating electricity, and burning and supplying gas obtained by gasifying woody materials for power generation and heat Conversion system.   2. The apparatus according to claim 1, wherein cut grass or pruned branches are cut and specific gravity is selected using wind, and those having a large bulk specific gravity are gasified by partial combustion, while those having a low bulk specific gravity are methane fermentation apparatuses. Biomass energy conversion system characterized by being used as a raw material.   2. The biomass energy according to claim 1, wherein the methane fermentation treatment of the organic waste is performed using a methane-fermenting fungus that has been propagated by adding a seed fungus, a substance that serves as a bait, and terahertz waves to the liquid. Conversion system.   4. The biomass energy conversion system according to claim 3, wherein the terahertz wave is applied by immersing a mineral that generates the terahertz wave in the form of a powder or a molded product such as a ceramic ball in a growth liquid. .   The minerals generating terahertz waves according to claim 1, wherein the mineral contains one or more elements having an atomic number of 57 or more, particularly preferably a lanthanoid element or an actinoid element The biomass energy conversion system characterized by using what is contained.   6. The biomass energy conversion system according to claim 1, wherein one or more of amaterite, monazite, and agate stone are used as minerals that generate terahertz waves. .   The biomass energy according to any one of claims 1 to 6, wherein when the demand for the generated electric power is low, the water is activated using the electric power to produce activated water, hydrogen gas, and oxygen gas. Conversion system.   A part of the oxygen gas and hydrogen gas obtained in claim 7 is used to increase the amount of power generation by adding to the gasification or / and combustion apparatus for generating power through the storage device. This is an energy conversion system for biomass.   2. The biomass energy conversion system according to claim 1, wherein the photosynthetic bacteria are cultured using artificial light obtained from the generated electric power and added to the soil.   10. The biomass energy conversion system according to claim 9, wherein culture of the photosynthetic bacterium is performed by adding an inoculum, a substance that serves as the seed, and terahertz waves to the liquid.   In Claim 1, the greenhouse for plant cultivation is juxtaposed, artificial light irradiation using the generated electric power, and the photosynthetic bacteria produced by the method of claims 9 to 10 are added to the soil for cultivation. An energy conversion system for biomass.   The biomass energy conversion system according to claim 1, wherein the solid content of the methane fermentation residue is heated to 80 ° C. or higher using the generated residual heat in the system to detoxify the seeds of weeds. When there is a demand for solid fertilizers such as compost, composting fungi grown by adding the terahertz wave-generating mineral of claims 4 to 6 to the solid content of the residue of methane fermentation treatment of claim 1 In addition, the biomass energy conversion system is characterized by composting.
It is.   2. The biomass energy conversion system according to claim 1, wherein the ash, which is a by-product when the wood raw material is gasified, is used in addition to the compost obtained from the methane fermentation residue.   A biomass energy conversion system, wherein the methane fermentation residue liquid of claim 1 is purified by adding powder containing Hakushu soil.   The biomass energy conversion system, wherein the Hakushu soil used in claim 15 is heated in a temperature range of 200 to 1100 ° C.   When there is no demand as liquid fertilizer for the liquid content of the residue of the methane fermentation treatment of claim 1, the liquid contains the terahertz wave generation product of claims 4 to 6 and an organic carbon such as waste cooking oil. In addition, a biomass energy conversion system characterized by performing treatment to remove nitrogen.   The biomass energy conversion system according to claim 16, wherein a treatment for removing nitrogen content is performed by adding fine powder of ore of a calcium compound such as one caused by an uplifting coral reef.   In Claim 1, the combustion exhaust gas is stored as a carbon dioxide-containing gas under the condition that methane gas is not added, and is supplied into the greenhouse when the sun is shining to promote the photosynthetic reaction of the crop. Energy conversion system.   The biomass energy conversion system according to claim 1, wherein a tree species or bamboo that grows quickly is planted in the vicinity of the installation location and used as a part of a raw material of the gasifier.

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