JP2001006728A - Power generation system - Google Patents
Power generation systemInfo
- Publication number
- JP2001006728A JP2001006728A JP11169716A JP16971699A JP2001006728A JP 2001006728 A JP2001006728 A JP 2001006728A JP 11169716 A JP11169716 A JP 11169716A JP 16971699 A JP16971699 A JP 16971699A JP 2001006728 A JP2001006728 A JP 2001006728A
- Authority
- JP
- Japan
- Prior art keywords
- sodium
- power
- sulfur battery
- power generation
- refuse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- Y02E60/10—Energy storage using batteries
Landscapes
- Secondary Cells (AREA)
Abstract
Description
【０００１】[0001]
【発明が属する技術分野】本発明は発電システムに関す
るもので、さらに詳しく言えば、ごみ焼却発電装置にナ
トリウム−硫黄電池を設置し、ごみ焼却炉の廃熱によっ
てナトリウム−硫黄電池を作動させるとともに、ごみ焼
却発電装置による発電電力をナトリウム−硫黄電池に貯
蔵できるようにした発電システムに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power generation system. More specifically, a sodium-sulfur battery is installed in a refuse incineration power generator, and the sodium-sulfur battery is operated by waste heat of the refuse incinerator. The present invention relates to a power generation system in which power generated by a refuse incineration power generation device can be stored in a sodium-sulfur battery.
【０００２】[0002]
【従来の技術】ごみ焼却発電装置はごみ焼却炉の廃熱を
利用して発生させた蒸気を蒸気タービンに供給して発電
するシステムで、電力需要の大きい昼間にはごみ焼却発
電による発電電力を負荷に供給し、電力需要の小さい夜
間には発電を行わないでごみ焼却炉の運転のみを行って
いるのが通常である。2. Description of the Related Art A refuse incineration power generation system is a system for supplying steam generated by using waste heat of a refuse incinerator to a steam turbine to generate power. Normally, only the refuse incinerator is operated without power generation at night when power is supplied to the load and power demand is small.
【０００３】このようなごみ焼却発電装置では、ごみ焼
却炉は２４時間連続運転されているが、発電のための蒸
気タービンは夜間の電力需要が小さいという理由や発電
電力を貯蔵するための設備がないという理由によって運
転を休止させているか、無負荷状態での運転が行われて
いる。In such a refuse incineration power generator, the refuse incinerator is operated continuously for 24 hours. However, the steam turbine for power generation has a low nighttime power demand and there is no facility for storing the generated power. For this reason, the operation is suspended or the operation is performed in a no-load state.
【０００４】一方、ナトリウム−硫黄電池は、負極のナ
トリウムと正極の硫黄とが固体電解質によって分離され
た高効率の電池であり、近年ロードレベリング用として
注目を集めている。On the other hand, a sodium-sulfur battery is a high-efficiency battery in which sodium of a negative electrode and sulfur of a positive electrode are separated by a solid electrolyte, and has recently attracted attention for load leveling.
【０００５】[0005]
【発明が解決しようとする課題】上記したごみ焼却発電
装置では、夜間は蒸気タービンが運転を休止しているか
無負荷状態での運転が行われているため、ごみ焼却炉の
廃熱が有効に利用されていないという問題があった。In the above-mentioned refuse incineration power generator, since the steam turbine is inactive at night or is operated with no load, the waste heat of the refuse incinerator can be effectively used. There was a problem that it was not used.
【０００６】また、ナトリウム−硫黄電池も、約３００
℃以上の作動温度まで昇温させる必要があるため、その
ための熱源を別途設置しなければならないという問題が
あった。A sodium-sulfur battery also has a capacity of about 300.
Since it is necessary to raise the temperature to an operating temperature of not less than ° C., there is a problem that a heat source for that needs to be separately installed.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するた
め、請求項１記載の発明は、ごみ焼却炉およびボイラー
とこのボイラーで発生させた蒸気を用いて発電を行う蒸
気タービンを有する発電機を備えたごみ焼却発電装置
に、ナトリウムが充填された負極室と硫黄が充填された
正極室とを固体電解質で分離させてなるナトリウム−硫
黄電池を設け、ごみ焼却炉の廃熱またはボイラーで発生
させた蒸気をナトリウム−硫黄電池に供給して該ナトリ
ウム−硫黄電池を作動させるとともに、ごみ焼却発電装
置による発電電力を前記ナトリウム−硫黄電池に貯蔵
し、電力使用量の変動や負荷変動に応じてナトリウム−
硫黄電池から放電させることを特徴とするものであり、
これにより、ごみ焼却炉だけでなく蒸気タービンも２４
時間連続運転することが可能になり、蒸気を発生させる
ためのボイラーを効率的かつ安定に運転することができ
るとともに、ごみの焼却時に発生する熱やボイラーで得
られた熱をナトリウム−硫黄電池を作動させるための熱
源として利用することが可能になり、該電池を作動温度
まで昇温したり、作動温度を維持するための熱源を別途
設置する必要はなく、ごみの焼却時の廃熱を有効に利用
することができるので、ごみ焼却発電装置の発電出力の
平準化を図ることができる。Means for Solving the Problems To solve the above problems, the invention according to claim 1 is directed to a generator having a refuse incinerator, a boiler, and a steam turbine for generating power using steam generated by the boiler. The waste incineration power plant equipped with a sodium-sulfur battery, in which a negative electrode chamber filled with sodium and a positive electrode chamber filled with sulfur are separated by a solid electrolyte, generated by waste heat of a waste incinerator or boiler The steam generated is supplied to the sodium-sulfur battery to operate the sodium-sulfur battery, and the power generated by the refuse incineration power generation device is stored in the sodium-sulfur battery. −
It is characterized by discharging from a sulfur battery,
As a result, not only waste incinerators but also steam turbines
It is possible to operate continuously for a long time, and the boiler for generating steam can be operated efficiently and stably, and the heat generated at the time of incineration of refuse and the heat obtained by the boiler can be transferred to It can be used as a heat source for operation, and there is no need to raise the temperature of the battery to the operating temperature or install a separate heat source to maintain the operating temperature, and waste heat generated during incineration of garbage is effective. Therefore, the power generation output of the refuse incineration power generation device can be leveled.
【０００８】[0008]
【発明の実施の形態】以下、本発明を実施の形態により
説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to embodiments.
【０００９】図１は本発明の発電システムのブロック図
である。FIG. 1 is a block diagram of a power generation system according to the present invention.
【００１０】図１において、１はごみ焼却発電装置で、
収集車で運び込んだごみを焼却するためのごみ焼却炉１
０と、このごみ焼却炉１０からの熱によって蒸気を発生
させるボイラー１１Ａおよび該蒸気によって発電を行う
蒸気タービン１１Ｂを有する発電機１１からなる。２は
ナトリウム−硫黄電池で、前記ごみ焼却炉１０の廃熱ま
たは前記ボイラーで発生させた蒸気が供給されて約３０
０℃の作動温度に維持される。３は負荷で、前記ごみ焼
却発電装置１からの発電電力と前記ナトリウム−硫黄電
池２からの発電電力とが供給される。In FIG. 1, reference numeral 1 denotes a refuse incineration power generator,
Garbage incinerator 1 for incineration of garbage carried by collection truck
0, and a generator 11 having a boiler 11A that generates steam by heat from the refuse incinerator 10 and a steam turbine 11B that generates power using the steam. Reference numeral 2 denotes a sodium-sulfur battery, which is supplied with waste heat of the refuse incinerator 10 or steam generated by the boiler for about 30 minutes.
It is maintained at an operating temperature of 0 ° C. Reference numeral 3 denotes a load to which power generated from the refuse incineration power generator 1 and power generated from the sodium-sulfur battery 2 are supplied.
【００１１】上記した発電システムでは、昼間、負荷３
の電力使用量が少ない時にはごみ焼却発電装置１のみか
ら電力が供給されるが、負荷３の電力使用量が増加した
時にはナトリウム−硫黄電池２からも負荷３に電力が供
給される。そして、夜間、負荷３の電力使用量が減少し
てごみ焼却発電装置１からの発電電力以下になった場合
には、ナトリウム−硫黄電池２からは負荷３に電力が供
給されなくなるとともに、余剰の発電電力はナトリウム
−硫黄電池２に供給されてこれに貯蔵され、翌日の昼間
の負荷３の電力使用量が増加した時に備えられる。In the above-mentioned power generation system, the load 3
When the power consumption of the load 3 is small, power is supplied only from the refuse incineration power generator 1, but when the power consumption of the load 3 increases, power is also supplied to the load 3 from the sodium-sulfur battery 2. Then, when the power consumption of the load 3 decreases at night and becomes equal to or less than the power generated from the refuse incinerator 1, power is not supplied from the sodium-sulfur battery 2 to the load 3, and the excess The generated power is supplied to the sodium-sulfur battery 2 and stored therein, and is prepared for the next daytime when the power consumption of the load 3 increases.
【００１２】[0012]
【発明の効果】上記した如く、本発明は、ごみの焼却時
に発生する熱やボイラーで得られた熱をナトリウム−硫
黄電池を作動させるための熱源として利用することがで
きるので、ごみ焼却発電装置の発電電力を平準化するこ
とができ、ごみ焼却炉や発電機の効率的かつ安定な運転
に寄与できるとともに、ナトリウム−硫黄電池を作動温
度まで昇温したり、作動温度に維持するための熱源を必
要としない発電システムを得ることができ、発電システ
ムの高効率化に寄与できる。As described above, the present invention can utilize the heat generated at the time of incineration of refuse or the heat obtained by a boiler as a heat source for operating a sodium-sulfur battery. Power source can be leveled, contribute to efficient and stable operation of refuse incinerators and generators, and heat source for raising or maintaining the sodium-sulfur battery to operating temperature Can be obtained, which can contribute to higher efficiency of the power generation system.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の発電システムのブロック図である。FIG. 1 is a block diagram of a power generation system according to the present invention.
１ ごみ焼却発電装置 ２ ナトリウム−硫黄電池 ３ 負荷 1 Waste incineration power generator 2 Sodium-sulfur battery 3 Load
Claims (1)
ーで発生させた蒸気を用いて発電を行う蒸気タービンを
有する発電機を備えたごみ焼却発電装置に、ナトリウム
が充填された負極室と硫黄が充填された正極室とを固体
電解質で分離させてなるナトリウム−硫黄電池を設け、
ごみ焼却炉の廃熱またはボイラーで発生させた蒸気をナ
トリウム−硫黄電池に供給して該ナトリウム−硫黄電池
を作動させるとともに、ごみ焼却発電装置による発電電
力を前記ナトリウム−硫黄電池に貯蔵し、電力使用量の
変動や負荷変動に応じてナトリウム−硫黄電池から放電
させることを特徴とする発電システム。A negative-electrode chamber filled with sodium and sulfur are charged in a refuse incineration power plant equipped with a refuse incinerator and a boiler and a generator having a steam turbine for generating electric power using steam generated by the boiler. Provided sodium-sulfur battery by separating the positive electrode chamber and the solid electrolyte,
The waste heat of the refuse incinerator or steam generated by the boiler is supplied to the sodium-sulfur battery to operate the sodium-sulfur battery, and the power generated by the refuse incinerator is stored in the sodium-sulfur battery. A power generation system characterized by discharging from a sodium-sulfur battery in accordance with a fluctuation in a used amount or a load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11169716A JP2001006728A (en) | 1999-06-16 | 1999-06-16 | Power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11169716A JP2001006728A (en) | 1999-06-16 | 1999-06-16 | Power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001006728A true JP2001006728A (en) | 2001-01-12 |
Family
ID=15891551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11169716A Pending JP2001006728A (en) | 1999-06-16 | 1999-06-16 | Power generation system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001006728A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013069179A (en) * | 2011-09-26 | 2013-04-18 | Hitachi Zosen Corp | Disaster countermeasure system |
| JP2015517045A (en) * | 2012-03-16 | 2015-06-18 | シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ | High temperature battery built in steam turbine power plant |
| WO2021033930A1 (en) | 2019-08-16 | 2021-02-25 | 김경환 | Self-operated incinerator system |
-
1999
- 1999-06-16 JP JP11169716A patent/JP2001006728A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013069179A (en) * | 2011-09-26 | 2013-04-18 | Hitachi Zosen Corp | Disaster countermeasure system |
| JP2015517045A (en) * | 2012-03-16 | 2015-06-18 | シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ | High temperature battery built in steam turbine power plant |
| US9638419B2 (en) | 2012-03-16 | 2017-05-02 | Siemens Aktiengesellschaft | High-temperature battery integrated into a steam power station |
| WO2021033930A1 (en) | 2019-08-16 | 2021-02-25 | 김경환 | Self-operated incinerator system |
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