JPH04339109A - Steam and carbon dioxide two-fluid gas turbine plant - Google Patents
Steam and carbon dioxide two-fluid gas turbine plantInfo
- Publication number
- JPH04339109A JPH04339109A JP10914791A JP10914791A JPH04339109A JP H04339109 A JPH04339109 A JP H04339109A JP 10914791 A JP10914791 A JP 10914791A JP 10914791 A JP10914791 A JP 10914791A JP H04339109 A JPH04339109 A JP H04339109A
- Authority
- JP
- Japan
- Prior art keywords
- steam
- gas
- gas turbine
- carbon dioxide
- combustor
- 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.)
- Granted
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 40
- 239000012530 fluid Substances 0.000 title claims abstract description 17
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 55
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000002918 waste heat Substances 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims abstract description 13
- 239000000567 combustion gas Substances 0.000 claims abstract description 12
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 9
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 9
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 2
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、炭酸ガス（以下ＣＯ２
という）分離を容易ならしめる水蒸気・ＣＯ２ 二流
体ガスタービンプラントに関する。[Industrial Application Field] The present invention relates to carbon dioxide gas (hereinafter referred to as CO2
This invention relates to a two-fluid gas turbine plant that facilitates the separation of steam and CO2.
【０００２】0002
【従来の技術】従来、水蒸気・ＣＯ２ 混合気によって
ガスタービンを駆動し、ガスタービンを出る水蒸気・Ｃ
Ｏ２ 混合気のＣＯ２ を水蒸気から容易に分離するこ
とができるようにした水蒸気・ＣＯ２ 二流体ガスター
ビンプラントに関する技術はない。[Prior Art] Conventionally, a gas turbine is driven by a water vapor/CO2 mixture, and the water vapor/CO2 leaves the gas turbine.
There is no technology for a steam/CO2 dual-fluid gas turbine plant that allows easy separation of CO2 in an O2 mixture from water vapor.
【０００３】0003
【発明が解決しようとする課題】水蒸気・ＣＯ２ 二流
体ガスタービンプラントの技術的問題点としては、下記
がある。１．石油系炭化水素燃料を燃焼させたときに発
生する水蒸気とＣＯ２ の二流体混合ガスから、ＣＯ２
を分離除去することが極めて困難である。２．燃料を
燃焼させるために比較的純度の高い酸素が必要である。[Problems to be Solved by the Invention] Technical problems of steam/CO2 two-fluid gas turbine plants include the following. 1. CO2 is produced from a two-fluid gas mixture of water vapor and CO2 that is generated when petroleum-based hydrocarbon fuel is burned.
It is extremely difficult to separate and remove. 2. Relatively pure oxygen is required to burn the fuel.
【０００４】本発明は、以上の問題点を解決することが
できる新規な水蒸気・ＣＯ２ 二流体ガスタービンプラ
ントを提供しようとするものである。The present invention aims to provide a new steam/CO2 two-fluid gas turbine plant that can solve the above problems.
【０００５】[0005]
【課題を解決するための手段】本発明の水蒸気・ＣＯ２
二流体ガスタービンプラントは、炭化水素燃料を酸素
によって燃焼させて水蒸気・ＣＯ２混合気の燃焼ガスを
発生する燃焼器、同燃焼ガスで駆動されるガスタービン
、同ガスタービンからの水蒸気・ＣＯ２ の混合気が供
給される廃熱ボイラ、同廃熱ボイラからの水蒸気・ＣＯ
２ 混合気から蒸気を復水させてＣＯ２ を分離除去す
ると共にガス除去ファンを有する復水器、同復水器から
の復水を蒸発させるフラッシュエバポレータ、及び同エ
バポレータからの蒸気を圧縮して前記燃焼器に供給する
蒸気圧縮機によって構成されたことを特徴とする。[Means for solving the problems] Water vapor/CO2 of the present invention
A two-fluid gas turbine plant consists of a combustor that burns hydrocarbon fuel with oxygen to generate a combustion gas mixture of steam and CO2, a gas turbine driven by the combustion gas, and a mixture of steam and CO2 from the gas turbine. Waste heat boiler supplied with air, steam and CO from the waste heat boiler
2. A condenser that condenses steam from the mixture to separate and remove CO2 and has a gas removal fan, a flash evaporator that evaporates the condensate from the condenser, and a flash evaporator that compresses the steam from the evaporator to It is characterized by being composed of a vapor compressor that supplies the combustor.
【０００６】[0006]
【作用】炭化水素燃料を酸素ガスを使って燃焼させる燃
焼器で発生した水蒸気・ＣＯ２ 二流体ガスの混合気の
燃焼ガスは、ガスタービンで膨脹し、廃熱ボイラで蒸気
を発生させたのち、復水器へ流入する。復水器では、こ
の混合気中の水蒸気が復水すると共にＣＯ２ はガス除
去ファンで外部へ排出される。[Operation] The combustion gas, which is a mixture of water vapor and CO2 two-fluid gases, generated in a combustor that burns hydrocarbon fuel using oxygen gas is expanded in a gas turbine, and after generating steam in a waste heat boiler, Flows into the condenser. In the condenser, the water vapor in this mixture is condensed and CO2 is exhausted to the outside by a gas removal fan.
【０００７】復水は、フラッシュエバポレータで蒸発し
、発生した蒸気は、蒸気圧縮機で圧縮されて燃焼器へ供
給され、クローズサイクルを形成する。[0007] The condensate is evaporated in a flash evaporator, and the generated steam is compressed in a vapor compressor and supplied to a combustor, forming a closed cycle.
【０００８】[0008]
【実施例】本発明の一実施例を、図１によって説明する
。３は、燃料供給装置１から石油系炭化水素燃料が、酸
素供給装置２から酸素がそれぞれ供給される燃焼器であ
り、同燃焼器３の燃焼ガスは、空気圧縮機５と発電機６
を駆動するガスタービン４に供給されるようになってい
る。[Embodiment] An embodiment of the present invention will be explained with reference to FIG. 3 is a combustor to which petroleum-based hydrocarbon fuel is supplied from a fuel supply device 1 and oxygen is supplied from an oxygen supply device 2, and the combustion gas of the combustor 3 is supplied to an air compressor 5 and a generator 6.
It is designed to be supplied to a gas turbine 4 that drives the.
【０００９】７はガスタービン４の排気が供給される廃
熱ボイラで、同廃熱ボイラ７の排気は、ガス除去ファン
１２を有する復水器１３に供給されるようになっている
。前記ガス除去ファン１２は復水器１３内のガスを復水
器１３外へ排出するように構成され、同ガス除去ファン
１２と復水器１３との間にはドレン濾器１４が設けられ
ている。前記復水器１３の下部は復水ポンプ１５、配管
２０を介してフラッシュエバポレータ１６へ接続され、
同フラッシュエバポレータ１６の上部は、前記ガスター
ビン４で駆動される蒸気圧縮機５の入口側へ接続され、
同蒸気圧縮機５の出口側は前記燃焼器３に接続されてい
る。Reference numeral 7 denotes a waste heat boiler to which exhaust gas from the gas turbine 4 is supplied, and the exhaust gas from the waste heat boiler 7 is supplied to a condenser 13 having a gas removal fan 12. The gas removal fan 12 is configured to discharge the gas in the condenser 13 to the outside of the condenser 13, and a drain filter 14 is provided between the gas removal fan 12 and the condenser 13. . The lower part of the condenser 13 is connected to a flash evaporator 16 via a condensate pump 15 and piping 20,
The upper part of the flash evaporator 16 is connected to the inlet side of the steam compressor 5 driven by the gas turbine 4,
The outlet side of the vapor compressor 5 is connected to the combustor 3.
【００１０】前記廃熱ボイラ７には、給水ポンプ８より
給水が供給されて蒸発し、発生した水蒸気は発電機１０
を駆動する蒸気タービン９に導入されるようになってお
り、蒸気タービン９の排気側は、復水器１１を経て前記
給水ポンプに接続されている。１７は、制御空気によっ
て制御され、復水ポンプ１５とフラッシュエバポレータ
１６の間の配管２０へ水の抽入又は抽出を行なう制御弁
である。Water is supplied to the waste heat boiler 7 from a water supply pump 8 and evaporated, and the generated water vapor is sent to the generator 10.
The exhaust side of the steam turbine 9 is connected to the water supply pump via a condenser 11. Reference numeral 17 denotes a control valve that is controlled by control air and performs water extraction into or out of the piping 20 between the condensate pump 15 and the flash evaporator 16.
【００１１】以上のように構成された本実施例では、燃
料供給装置１から石油系炭化水素燃料、酸素供給装置２
から酸素をそれぞれ供給された燃焼器３で燃焼が行なわ
れ、高温の水蒸気・ＣＯ２ 二流体ガスからなる混合気
の燃焼ガスが発生する。この燃焼ガスはガスタービン４
で膨脹し、蒸気圧縮機５と発電機６を駆動したのち、廃
熱ボイラ７へ流入する。In this embodiment configured as described above, a fuel supply device 1 supplies petroleum-based hydrocarbon fuel and an oxygen supply device 2.
Combustion is carried out in the combustor 3, which is supplied with oxygen from the combustor 3, and a combustion gas of a mixture consisting of two fluid gases, high temperature water vapor and CO2, is generated. This combustion gas is transferred to the gas turbine 4
After being expanded and driving the steam compressor 5 and generator 6, it flows into the waste heat boiler 7.
【００１２】廃熱ボイラ７では、給水ポンプ８からの給
水を蒸発させて蒸気タービン９へ過熱蒸気を送る。蒸気
タービン９は発電機１０を駆動し、その排気は復水器１
１で復水して、給水ポンプ８へ循環する。The waste heat boiler 7 evaporates the water supplied from the water supply pump 8 and sends superheated steam to the steam turbine 9 . A steam turbine 9 drives a generator 10, and its exhaust gas is sent to a condenser 1.
The water is condensed at 1 and circulated to the water supply pump 8.
【００１３】廃熱ボイラ７の排気としての水蒸気・ＣＯ
２ 二流体ガスの混合気はガス除去ファン１２を有する
復水器１３へ流入し、蒸気が復水すると共にＣＯ２ は
ドレン濾器１４、ガス除去ファン１２を経て、外部へ排
出される。Steam/CO as exhaust from the waste heat boiler 7
2. The mixture of two fluid gases flows into a condenser 13 having a gas removal fan 12, where steam is condensed and CO2 is discharged to the outside via a drain filter 14 and a gas removal fan 12.
【００１４】復水器１３で発生した復水は、復水ポンプ
１５によって加圧され、フラッシュエバポレータ１６へ
スプレーされて減圧フラッシュして水蒸気となる。この
フラッシュ水蒸気は、蒸気圧縮機５へ吸い込まれ、再び
加圧された上燃焼器３に供給され、クローズドサイクル
システムを形成する。The condensate generated in the condenser 13 is pressurized by a condensate pump 15, sprayed onto a flash evaporator 16, and flashed under reduced pressure to become water vapor. This flash steam is sucked into the vapor compressor 5 and supplied to the pressurized upper combustor 3 again, forming a closed cycle system.
【００１５】以上の通り、本実施例では、燃焼器３から
復水器１３までは水蒸気・ＣＯ２ 二流体ガス相、復水
器１３出口からフラッシュエバポレータ１６迄は水相、
そしてフラッシュエバポレータ１６出口から燃焼器３の
入口迄は水蒸気相となる。As described above, in this embodiment, from the combustor 3 to the condenser 13, water vapor and CO2 are in the two-fluid gas phase, and from the outlet of the condenser 13 to the flash evaporator 16 is in the aqueous phase.
A water vapor phase is formed from the outlet of the flash evaporator 16 to the inlet of the combustor 3.
【００１６】なお、ガスタービン側ふか調節は、制御弁
１７による系統への水の抽入又は抽出によって行なわれ
る。Note that the gas turbine side fluff adjustment is performed by introducing or extracting water into the system using the control valve 17.
【００１７】以上のように本実施例では、燃焼器３で発
生する水蒸気・ＣＯ２ の二流体ガスの混合気である燃
焼ガスがガスタービン４で仕事をした後に、同燃焼ガス
中のＣＯ２ をガス除去ファン１２を有する復水器１３
において容易に分離することができる。As described above, in this embodiment, after the combustion gas, which is a two-fluid gas mixture of water vapor and CO2 generated in the combustor 3, performs work in the gas turbine 4, the CO2 in the combustion gas is converted into gas. Condenser 13 with removal fan 12
can be easily separated.
【００１８】また、燃焼器３に供給される酸素中に窒素
等が残存していても、ガス除去ファン１２を有する復水
器１３において、ＣＯ２ と共に除去されるので、値段
の高い高純度酸素を用いる必要もない。Furthermore, even if nitrogen or the like remains in the oxygen supplied to the combustor 3, it is removed together with CO2 in the condenser 13 having the gas removal fan 12, so that expensive high-purity oxygen can be used. There's no need to use it.
【００１９】また更に、石油系の炭化水素系燃料として
も、あらゆる種類のものが使用可能である。Furthermore, all kinds of petroleum-based hydrocarbon fuels can be used.
【００２０】[0020]
【発明の効果】以上説明したように、本発明によれば、
水蒸気・ＣＯ２ 二流体ガスタービンプラントで従来問
題となっていた水蒸気・ＣＯ２ の二流体ガスの混合気
からのＣＯ２ の除去分離を容易に行なうことができる
。また、燃焼器に供給される酸素中に残存窒素等があっ
ても、これはガス除去ファンを有する復水器でＣＯ２
と共に除去されるので、値段の高い高純度酸素を用いる
必要がない。[Effects of the Invention] As explained above, according to the present invention,
It is possible to easily remove and separate CO2 from a mixture of steam and CO2 two-fluid gases, which has been a problem in conventional two-fluid gas turbine plants. In addition, even if there is residual nitrogen in the oxygen supplied to the combustor, the condenser equipped with a gas removal fan removes the CO2.
Therefore, there is no need to use expensive high-purity oxygen.
【００２１】また更に、あらゆる種類の炭化水素燃料の
使用が可能であると共に、ガスタービンに蒸気タービン
を組合わせる場合には、高効率複合プラントを得ること
ができる。Furthermore, it is possible to use any type of hydrocarbon fuel and, if a gas turbine is combined with a steam turbine, a highly efficient combined plant can be obtained.
【図１】本発明の一実施例の系統図である。FIG. 1 is a system diagram of an embodiment of the present invention.
１ 燃料供給装置 ２ 酸素供給装置 ３ 燃焼器 ４ ガスタービン ５ 蒸気圧縮機 ６ 発電機 ７ 廃熱ボイラ ９ 蒸気タービン １２ ガス除去ファン １３ 復水器 １５ 復水ポンプ １６ フラッシュエバポレータ 1 Fuel supply device 2 Oxygen supply device 3 Combustor 4 Gas turbine 5 Vapor compressor 6 Generator 7 Waste heat boiler 9 Steam turbine 12 Gas removal fan 13 Condenser 15 Condensate pump 16 Flash evaporator
Claims (1)
させて水蒸気・炭酸ガス混合気の燃焼ガスを発生する燃
焼器、同燃焼ガスで駆動されるガスタービン、同ガスタ
ービンからの水蒸気・炭酸ガス混合気が供給される廃熱
ボイラ、同廃熱ボイラからの水蒸気・炭酸ガス混合気か
ら水蒸気を復水させ炭酸ガスを分離除去すると共にガス
除去ファンを有する復水器、同復水器からの復水を蒸発
させるフラッシュエバポレータ、及び同フラッシュエバ
ポレータからの水蒸気を圧縮して前記燃焼器に供給する
蒸気圧縮機によって構成されたことを特徴とする水蒸気
・炭酸ガス二流体ガスタービンプラント。[Claim 1] A combustor that combusts hydrocarbon fuel using oxygen gas to generate a combustion gas of a mixture of water vapor and carbon dioxide, a gas turbine driven by the combustion gas, and a gas turbine that generates water vapor and carbon dioxide from the gas turbine. A waste heat boiler to which a gas mixture is supplied, a condenser that condenses steam from the steam/carbon dioxide mixture from the waste heat boiler, separates and removes carbon dioxide, and has a gas removal fan; 1. A steam/carbon dioxide two-fluid gas turbine plant comprising: a flash evaporator that evaporates condensate; and a steam compressor that compresses water vapor from the flash evaporator and supplies the compressed water to the combustor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3109147A JP2971172B2 (en) | 1991-05-14 | 1991-05-14 | Steam / carbon dioxide two-fluid gas turbine plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3109147A JP2971172B2 (en) | 1991-05-14 | 1991-05-14 | Steam / carbon dioxide two-fluid gas turbine plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04339109A true JPH04339109A (en) | 1992-11-26 |
| JP2971172B2 JP2971172B2 (en) | 1999-11-02 |
Family
ID=14502808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3109147A Expired - Fee Related JP2971172B2 (en) | 1991-05-14 | 1991-05-14 | Steam / carbon dioxide two-fluid gas turbine plant |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2971172B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1113478A (en) * | 1997-06-26 | 1999-01-19 | Daido Hoxan Inc | Gas generator |
| JP2011530034A (en) * | 2008-07-30 | 2011-12-15 | ゼネラル・エレクトリック・カンパニイ | System and method for operating a gas turbine engine with an alternative working fluid |
| CN113175829A (en) * | 2021-04-19 | 2021-07-27 | 西安交通大学 | Carbon dioxide gas suction and separation device and method of mixed working medium circulation system |
-
1991
- 1991-05-14 JP JP3109147A patent/JP2971172B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1113478A (en) * | 1997-06-26 | 1999-01-19 | Daido Hoxan Inc | Gas generator |
| JP2011530034A (en) * | 2008-07-30 | 2011-12-15 | ゼネラル・エレクトリック・カンパニイ | System and method for operating a gas turbine engine with an alternative working fluid |
| CN113175829A (en) * | 2021-04-19 | 2021-07-27 | 西安交通大学 | Carbon dioxide gas suction and separation device and method of mixed working medium circulation system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2971172B2 (en) | 1999-11-02 |
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