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JP6025188B2 - Power generation system - Google Patents

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JP6025188B2
JP6025188B2 JP2012046121A JP2012046121A JP6025188B2 JP 6025188 B2 JP6025188 B2 JP 6025188B2 JP 2012046121 A JP2012046121 A JP 2012046121A JP 2012046121 A JP2012046121 A JP 2012046121A JP 6025188 B2 JP6025188 B2 JP 6025188B2
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water
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power generation
generation system
specific gravity
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JP2013181470A (en
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大倫 越智
大倫 越智
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日研ザイル株式会社
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/005—Installations wherein the liquid circulates in a closed loop ; Alleged perpetua mobilia of this or similar kind
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids

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  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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Description

この発明は、発電システムに関し、特に、簡易な構造で構築でき、省スペースで活用できる発電システムに関する。   The present invention relates to a power generation system, and more particularly to a power generation system that can be constructed with a simple structure and can be used in a space-saving manner.

発電方式に関しては様々な方式が確立しており、特に、水力を利用した方式は適応可能範囲が広い発電方式である。   Various types of power generation methods have been established, and in particular, a method using hydropower is a power generation method with a wide adaptable range.

例えば、特許文献１には、ダムや貯水池を設けることなく、都心部でも水力発電を利用できる発電システムについて記載されている。   For example, Patent Document 1 describes a power generation system that can use hydroelectric power generation even in a city center without providing a dam or a reservoir.

また、特許文献２には、水圧と圧縮空気及び大気圧を利用した地下水流発電方法について記載されている。   Patent Document 2 describes a groundwater flow power generation method using water pressure, compressed air, and atmospheric pressure.

特開平１１−２２２８３６号公報JP-A-11-222836 特開２００６−７７７１９号公報JP 2006-77719 A

水力発電には、高低差のある場所の高所と低所それぞれに貯水槽が必要であり、従来の技術ではダムや河川などを利用している。従って、設備を構築する場所が制限されてしまい、自家発電など比較的小規模な設備とすることは困難である。   Hydroelectric power generation requires storage tanks at high and low locations in different locations, and conventional technologies use dams and rivers. Therefore, the place where equipment is constructed is limited, and it is difficult to make a relatively small equipment such as private power generation.

そこで、本発明は、簡易な構造で構築でき、省スペースで活用でき、しかも、エネルギー効率の高い発電を行える発電システムを提供することを目的とする。   Therefore, an object of the present invention is to provide a power generation system that can be constructed with a simple structure, can be used in a small space, and can perform power generation with high energy efficiency.

上記課題を解決するため、以下の発明を提案する。   In order to solve the above problems, the following invention is proposed.

請求項１の発明は、
第一貯水部に貯水された水に対して比重付与成分を混入することにより当該水の比重を増大させ、当該比重が増大した水を、前記第一貯水部の下方に備えられた第二貯水部に流下させ、前記第一貯水部と前記第二貯水部との間に設けた発電部で発電し、
前記第一貯水部から前記第二貯水部への流下により前記第二貯水部に貯水された水を、前記第一貯水部と前記第二貯水部との間に設けた揚水部を介して前記第一貯水部へ揚水し、前記第一貯水部に貯水する
発電システムであって、
前記第二貯水部において前記第一貯水部から前記第二貯水部へ流下してきた前記比重が増大した水から前記比重付与成分を除去、あるいは減少させる処理が行われ、当該処理が行われた後に、前記揚水部を介した前記揚水が行われる
ことを特徴とする発電システム
である。 The invention of claim 1
The specific gravity imparting component is mixed into the water stored in the first water storage section to increase the specific gravity of the water, and the water having the increased specific gravity is provided below the first water storage section. To generate electricity in a power generation unit provided between the first water storage unit and the second water storage unit,
The water stored in the second water storage section by flowing down from the first water storage section to the second water storage section is passed through the pumping section provided between the first water storage section and the second water storage section. A power generation system that pumps water to a first water storage unit and stores water in the first water storage unit ,
After the processing for removing or reducing the specific gravity-imparting component from the water having increased specific gravity that has flowed down from the first water storage portion to the second water storage portion in the second water storage portion, and after the processing has been performed The pumping is performed through the pumping unit.
This is a power generation system characterized by that.

請求項２の発明は、
前記比重付与成分は、塩化ナトリウムであることを特徴とする請求項１記載の発電システムである。 The invention of claim 2
The power generation system according to claim 1, wherein the specific gravity imparting component is sodium chloride.

請求項３の発明は、
請求項１又は２記載の発電システムが地中に構築されることを特徴とする発電システムである。 The invention of claim 3
The power generation system according to claim 1 or 2 is constructed in the ground.

この発明によれば、簡易な構造で構築でき、省スペースで活用でき、しかも、エネルギー効率の高い発電を行える発電システムを提供することができる。   According to the present invention, it is possible to provide a power generation system that can be constructed with a simple structure, can be used in a small space, and can perform power generation with high energy efficiency.

本発明の一実施形態を示す概念図。The conceptual diagram which shows one Embodiment of this invention. （ａ）本発明に係る発電システムを地上に構築した概略図、（ｂ）本発明に係る発電システムを地中に構築した概略図。(A) The schematic which constructed | assembled the electric power generation system which concerns on this invention on the ground, (b) The schematic which constructed | assembled the electric power generation system which concerns on this invention in the ground.

以下、添付図面を参照して本発明の一実施形態について説明する。   Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

図１は、本発明の一実施形態の概念図である。本実施形態における発電システム1は水力発電方式を利用しているものであり、鉛直方向の上下にそれぞれ第一貯水部２、第二貯水部３を備えている。第一貯水部２と第二貯水部３とは、水路管７及び揚水管８によって連結されている。   FIG. 1 is a conceptual diagram of an embodiment of the present invention. The power generation system 1 in the present embodiment uses a hydroelectric power generation method, and includes a first water storage unit 2 and a second water storage unit 3 above and below in the vertical direction. The first water storage section 2 and the second water storage section 3 are connected by a water channel pipe 7 and a water pump pipe 8.

水路管７には発電部５が設置されており、第一貯水部２に貯水された水４を、水路管７を通じて第二貯水部３に矢印１０のように流下させ、この水４の流下を利用して発電部５で発電する。   A power generation unit 5 is installed in the water channel pipe 7, and the water 4 stored in the first water storage unit 2 is caused to flow down to the second water storage unit 3 through the water channel pipe 7 as indicated by an arrow 10. Is used to generate power in the power generation unit 5.

このように、水の流下を利用して発電できればよいので、発電部５を構成するものに特に限定はなく、例えば、発電用水車と発電機を組み合わせたものなどを採用することができる。   Thus, since it is only necessary to generate electricity using the flow of water, there is no particular limitation on what constitutes the power generation unit 5, and for example, a combination of a power generation water turbine and a generator can be employed.

第一貯水部２から第二貯水部３へと水路管７を介して水４を流下させ、発電部５で発電すると、第二貯水部３には流下してきた水４が貯水される。   When the water 4 flows down from the first water storage unit 2 to the second water storage unit 3 through the water pipe 7 and the power generation unit 5 generates power, the water 4 that has flowed down is stored in the second water storage unit 3.

揚水管８には揚水部６が設置されており、第二貯水部３に貯水された水４を揚水管８を介して矢印１１のように第一貯水部１まで揚水部６によって揚水する。   A pumping section 6 is installed in the pumping pipe 8, and the water 4 stored in the second water storage section 3 is pumped by the pumping section 6 to the first water storage section 1 as indicated by an arrow 11 through the pumping pipe 8.

揚水部６にはポンプなどの揚水手段を用いることができる。ポンプなどの揚水手段からなる揚水部６を図示していない外部から供給される電力で駆動し、揚水管８を介して矢印１１で示すように水４を第二貯水部３から第一貯水部２へ揚水する。   Pumping means such as a pump can be used for the pumping unit 6. A pumping unit 6 composed of pumping means such as a pump is driven by electric power supplied from the outside (not shown), and water 4 is fed from the second water storage unit 3 to the first water storage unit as indicated by an arrow 11 through the pumping pipe 8. Pump to 2.

なお、外部から供給される電力には太陽光発電によって供給される電力や、太陽電池などからの電力などを使用することができる。   Note that power supplied by solar power generation, power from a solar battery, or the like can be used as power supplied from the outside.

このような構成を利用して、太陽光発電によって電力を供給できる時間帯や、外部の電力が余っていて比較的低価格な電力料金で電気を使用できる時間帯に第二貯水部３から第一貯水部２へ揚水する。そして、電力供給が必要な場合に、第一貯水部２から第二貯水部３へ水４を矢印１０で示すように流下させ発電部５で発電するものである。   By using such a configuration, the second water storage unit 3 can change the time in the time zone in which power can be supplied by photovoltaic power generation, or in the time zone in which external power is available and electricity can be used at a relatively low price. Pump up to one reservoir 2. And when electric power supply is required, water 4 flows down from the 1st water storage part 2 to the 2nd water storage part 3 as shown by the arrow 10, and the electric power generation part 5 generates electric power.

本発明の発電システム１においては、流下する水４のエネルギー密度を高めるため、第一貯水部２に貯水された水４に比重付与成分として塩化ナトリウム（ＮａＣｌ）などを混入、溶解させている。   In the power generation system 1 of the present invention, sodium chloride (NaCl) or the like is mixed and dissolved in the water 4 stored in the first water storage unit 2 as a specific gravity imparting component in order to increase the energy density of the water 4 flowing down.

塩化ナトリウムなどの比重付与成分を水４に溶解させることで、水４の比重、重量が大きくなり、その結果、第一貯水部２に貯水されている水４の位置エネルギーを増大させ、第一貯水部２から第二貯水部３へ水路管７中を流下する水４の流動エネルギーを大きくすることができる。   By dissolving a specific gravity-imparting component such as sodium chloride in the water 4, the specific gravity and weight of the water 4 are increased. As a result, the potential energy of the water 4 stored in the first water storage section 2 is increased, The flow energy of the water 4 flowing down from the water reservoir 2 to the second water reservoir 3 through the water channel pipe 7 can be increased.

こうして、位置エネルギーが増大した水４を、比重付与成分の混入、溶解によって重量が増大している状態で水路管７を介して第一貯水部２から第二貯水部３へより大きな流動エネルギーで流下させることにより、発電部５で発電により生成される電気エネルギーの量を効果的に増大させることができる。   In this way, the water 4 with increased potential energy is supplied with greater flow energy from the first water reservoir 2 to the second water reservoir 3 via the water pipe 7 in a state where the weight is increased by mixing and dissolving the specific gravity imparting component. By making it flow down, the amount of electrical energy generated by power generation in the power generation unit 5 can be effectively increased.

なお、この場合、第二貯水部３の容量を第一貯水部２の容量より大きくして、第二貯水部３において水４を貯留する時間を長くする、等により、沈殿などを利用して水４中に混入、溶解している塩化ナトリウムなどの比重付与成分を除去、あるいは減少させる構成にすることができる。あるいは、第二貯水部３中にスリット、フィルターなどの濾過部材を設置しておくことにより、濾過によって、水４中に混入、溶解している塩化ナトリウムなどの比重付与成分を除去、あるいは減少させる構成にすることができる。   In this case, the capacity of the second water storage unit 3 is made larger than the capacity of the first water storage unit 2, and the time for storing the water 4 in the second water storage unit 3 is lengthened. The specific gravity-imparting component such as sodium chloride mixed or dissolved in the water 4 can be removed or reduced. Alternatively, by installing a filtering member such as a slit or a filter in the second water storage unit 3, a specific gravity-imparting component such as sodium chloride mixed or dissolved in the water 4 is removed or reduced by filtration. Can be configured.

このようにすれば、揚水部６によって揚水管８を介して第二貯水部３から第一貯水部２へ矢印１１で示すように揚水する際の水４の比重、重量を、比重付与成分が混入、溶解した状態で水路管７を介して第一貯水部２から第二貯水部３へ流下するときの水４の比重、重量より小さくすることができる。   If it does in this way, the specific gravity provision component is the specific gravity and weight of the water 4 at the time of pumping as shown by the arrow 11 from the 2nd water storage part 3 to the 1st water storage part 2 via the water pump 8 by the water pumping part 6. It can be made smaller than the specific gravity and weight of the water 4 when flowing down from the first water reservoir 2 to the second water reservoir 3 through the water channel pipe 7 in the mixed and dissolved state.

このようにすることによって、よりエネルギー効率の良い発電・蓄電システムを提供することができる。   By doing so, a more energy efficient power generation / storage system can be provided.

なお、上述したように、第一貯水部２に貯水されている水４の位置エネルギーを増大させるべく、第一貯水部２において水４に混入、溶解させるものは水溶性で、水の重量、比重を大きくできるものであれば特に限定はない。   In addition, as mentioned above, in order to increase the potential energy of the water 4 stored in the first water reservoir 2, what is mixed and dissolved in the water 4 in the first water reservoir 2 is water-soluble, the weight of the water, If specific gravity can be enlarged, there will be no limitation in particular.

以上説明したように、本発明の発電システム１は、いわば、蓄電システムともいえるものである。電力が必要になった時に、第一貯水部２から第二貯水部３へと水路管７を介して水４を流下させることにより、必要な電気エネルギーを、必要なときに、直ちに、取り出すことができるものである。   As described above, the power generation system 1 of the present invention can be said to be a power storage system. When electric power is needed, water 4 flows down from the first water reservoir 2 to the second water reservoir 3 through the water pipe 7, so that necessary electric energy is immediately taken out when necessary. Is something that can be done.

本発明の発電システム１は、上述したように、極めて簡易な構成であるので、第一貯水部２と第二貯水部３とを鉛直方向にある程度離れた間隔で設置することができれば、設置面積の少ない、省スペースで設置、活用することができる。   Since the power generation system 1 of the present invention has a very simple configuration as described above, if the first water storage unit 2 and the second water storage unit 3 can be installed at some distance in the vertical direction, the installation area It can be installed and utilized in a small space with little space.

特に、第一貯水部２及び第二貯水部３は、従来の水力発電方式、揚水発電方式にみられるようなダム、貯水池、河川等を利用するよう構成ではないので、本発明の発電システム１の設置場所が、高低差のある山間部や河川等の近傍といった限られた場所になることはない。   In particular, the first water storage unit 2 and the second water storage unit 3 are not configured to use dams, reservoirs, rivers, and the like as found in conventional hydropower generation and pumping power generation systems, so the power generation system 1 of the present invention. Is not limited to places such as mountainous areas with different heights or rivers.

図２は、本発明の発電システム１の設置例を示す概略図である。図２（ａ）に示されるように、地面９上であって、比較的狭小なスペースでも発電システム１を構築することができるので、例えば、自家発電として本発明の発電システム１を利用することができる。   FIG. 2 is a schematic diagram showing an installation example of the power generation system 1 of the present invention. As shown in FIG. 2 (a), since the power generation system 1 can be constructed even on a relatively small space on the ground 9, for example, the power generation system 1 of the present invention is used as private power generation. Can do.

図２（ｂ）は、地中に発電システム１を構築する場合の一例を示すものである。このようにすれば地面９上の土地を有効に利用することができる。   FIG.2 (b) shows an example in the case of constructing the power generation system 1 in the ground. In this way, the land on the ground 9 can be used effectively.

なお、図示していないが、安定的に設置するようにすれば、本発明の発電システム１を海中に設置することも可能である。   Although not shown, the power generation system 1 of the present invention can be installed in the sea if it is installed stably.

いずれの場合であっても、第一貯水部２に貯水されている水４の位置エネルギー及び、第一貯水部２から第二貯水部３へ向けて水路管７中を流動する水４の流動エネルギーを発電部５で発電により生成される電気エネルギーに変換するものであるから、これを可能とする第一貯水部２と第二貯水部３との間の鉛直方向の間隔を確保できれば、屋上などに貯水槽を備えているビルなどの建物や、その内部、狭い土地、その地下、海底など、どのような場所にも簡単に設置し、利用することができる。   In any case, the potential energy of the water 4 stored in the first water storage section 2 and the flow of the water 4 flowing in the water channel pipe 7 from the first water storage section 2 to the second water storage section 3. Since energy is converted into electric energy generated by power generation in the power generation unit 5, if a vertical interval between the first water storage unit 2 and the second water storage unit 3 that enables this is secured, the rooftop It can be easily installed and used in any place, such as a building with a water storage tank, etc., inside, narrow land, underground, undersea.

以上説明したように、本発明の発電システム１は、発電・蓄電システムであるにもかかわらず、従来の蓄電池などに利用されるリチウム、等の高価な資源やレアメタルなどを使用する必要はなく、また、従来の発電・蓄電システムのように電解液や電極などを使用する必要がない。すなわち、廃棄処理が難しい化学物質などを使用せず、ゼロエミッションで実現することができる。   As described above, although the power generation system 1 of the present invention is a power generation / storage system, it is not necessary to use expensive resources such as lithium used for conventional storage batteries, rare metals, etc. Moreover, it is not necessary to use an electrolyte solution or an electrode unlike the conventional power generation / storage system. That is, it can be realized with zero emission without using chemical substances that are difficult to dispose of.

また、従来の火力発電や、電子力発電などでは事故が発生した際に火災、放射性物質の拡散、放射能など、種々の問題が生じるおそれがあるが、本発明の発電システムではそのような危険はなく、安全に運転することができる。   In addition, in conventional thermal power generation and electronic power generation, various problems such as fire, diffusion of radioactive materials, and radioactivity may occur when an accident occurs. In the power generation system of the present invention, such a danger may occur. No, you can drive safely.

更に、極めて簡単な構成・構造からなるので、発電用水車と発電機を組み合わせたものなどからなる発電部５や、ポンプなどの揚水手段からなる揚水部６などを適切にメンテナンスすることにより、長期間にわたって運転・利用し続けることが可能である。   Furthermore, since it has an extremely simple configuration and structure, it is possible to maintain a long time by properly maintaining the power generation unit 5 composed of a combination of a water turbine for power generation and a generator, the pumping unit 6 composed of pumping means such as a pump, and the like. It is possible to continue to operate and use over a period of time.

以上、添付図面を参照して本発明の好ましい実施形態を説明したが、本発明はかかる実施形態に限定されるものではなく、特許請求の範囲の記載から把握される技術的範囲において種々に変更可能である。   The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to such embodiments, and various modifications can be made within the technical scope grasped from the description of the claims. Is possible.

１ 発電システム
２ 第一貯水部
３ 第二貯水部
４ 水
５ 発電部
６ 揚水部
７ 水路管
８ 揚水管
９ 地面 DESCRIPTION OF SYMBOLS 1 Power generation system 2 1st water storage part 3 2nd water storage part 4 Water 5 Power generation part 6 Pumping part 7 Water channel pipe 8 Pumping pipe 9 Ground

Claims (3)

第一貯水部に貯水された水に対して比重付与成分を混入することにより当該水の比重を増大させ、当該比重が増大した水を、前記第一貯水部の下方に備えられた第二貯水部に流下させ、前記第一貯水部と前記第二貯水部との間に設けた発電部で発電し、
前記第一貯水部から前記第二貯水部への流下により前記第二貯水部に貯水された水を、前記第一貯水部と前記第二貯水部との間に設けた揚水部を介して前記第一貯水部へ揚水し、前記第一貯水部に貯水する
発電システムであって、
前記第二貯水部において前記第一貯水部から前記第二貯水部へ流下してきた前記比重が増大した水から前記比重付与成分を除去、あるいは減少させる処理が行われ、当該処理が行われた後に、前記揚水部を介した前記揚水が行われる
ことを特徴とする発電システム。 The specific gravity imparting component is mixed into the water stored in the first water storage section to increase the specific gravity of the water, and the water having the increased specific gravity is provided below the first water storage section. To generate electricity in a power generation unit provided between the first water storage unit and the second water storage unit,
The water stored in the second water storage section by flowing down from the first water storage section to the second water storage section is passed through the pumping section provided between the first water storage section and the second water storage section. A power generation system that pumps water to a first water storage unit and stores water in the first water storage unit ,
After the processing for removing or reducing the specific gravity-imparting component from the water having increased specific gravity that has flowed down from the first water storage portion to the second water storage portion in the second water storage portion, and after the processing has been performed The pumping is performed through the pumping unit.
A power generation system characterized by that . 前記比重付与成分は、塩化ナトリウムであることを特徴とする請求項１記載の発電システム。   The power generation system according to claim 1, wherein the specific gravity imparting component is sodium chloride. 請求項１又は２記載の発電システムが地中に構築されることを特徴とする発電システム。   The power generation system according to claim 1 or 2, wherein the power generation system is constructed in the ground.
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CN103629039B (en) * 2013-12-03 2016-04-06 牛学丰 A kind of cycling water pumping energy-storage power generating device
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