JP2001132472A - Cryogenic power generation system - Google Patents
Cryogenic power generation systemInfo
- Publication number
- JP2001132472A JP2001132472A JP26526499A JP26526499A JP2001132472A JP 2001132472 A JP2001132472 A JP 2001132472A JP 26526499 A JP26526499 A JP 26526499A JP 26526499 A JP26526499 A JP 26526499A JP 2001132472 A JP2001132472 A JP 2001132472A
- Authority
- JP
- Japan
- Prior art keywords
- carbon dioxide
- gas turbine
- gas
- pressure
- 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
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]
-
- 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]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、液化天然ガス（以
下、ＬＮＧと称する）の保有している冷熱を有効に利用
して発電を行う冷熱利用発電システムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cryogenic power generation system for effectively utilizing cryogenic heat of liquefied natural gas (hereinafter referred to as LNG) to generate power.
【０００２】[0002]
【従来の技術】ＬＮＧが保有している冷熱は、莫大であ
るにもかかわらず、ＬＮＧのガス化に海水が用いられて
いるため、ＬＮＧの液化エネルギーの大半が海に捨てら
れているのが現状である。ＬＮＧの冷熱利用は、約２５
％程度に過ぎない。2. Description of the Related Art Despite the enormous amount of cold energy held by LNG, seawater is used for gasification of LNG, so most of the liquefaction energy of LNG is discarded in the sea. It is the current situation. The utilization of cold energy of LNG is about 25
Only about%.
【０００３】[0003]
【発明が解決しようとする課題】ＬＮＧの冷熱を利用す
る方法としては、空気の深冷分離、冷熱発電、低温破砕
などがあるが、中でも、冷熱発電が最も有効な方法であ
ると思われる。As a method of utilizing the cold heat of LNG, there are cryogenic separation of air, cold power generation, low-temperature crushing, etc. Among them, cold power generation seems to be the most effective method.
【０００４】しかしながら、従来の冷熱発電は、旧来の
ランキンサイクル方式を利用したものであるから効率が
悪く、処理するＬＮＧに比べて出力が低い。However, the conventional thermal power generation uses a conventional Rankine cycle system, and therefore has low efficiency and a lower output than LNG to be processed.
【０００５】本発明の目的は、従来の問題を解消し、Ｌ
ＮＧの冷熱を有効に利用して高効率の発電が可能である
冷熱利用発電システムを提供することにある。[0005] An object of the present invention is to solve the conventional problems and to reduce
An object of the present invention is to provide a cold-heat-utilizing power generation system capable of efficiently generating electric power by effectively utilizing NG cold heat.
【０００６】[0006]
【課題を解決するための手段】上記の課題を解決するた
め、本発明にかかる冷熱利用発電システムは、作業流体
である高圧の二酸化炭素、蒸気及び酸素の存在下で燃料
を燃焼させる燃焼器と、該燃焼器で生じた高温高圧の燃
焼ガスを動力源とするガスタービンと、該ガスタービン
により駆動される発電機と、前記ガスタービンの排ガス
から廃熱を回収する廃熱ボイラと、該廃熱ボイラを経た
ガスタービン排ガス中から二酸化炭素を分離すると同時
に低温高圧の包接化合物を分解させる凝縮器と、該凝縮
器で分離された二酸化炭素を昇圧するコンプレッサと、
該コンプレッサで昇圧された二酸化炭素と液化天然ガス
とを熱交換させて液化天然ガスをガス化させると同時に
昇圧された二酸化炭素を０℃以下に冷却する気化器と、
該気化器で冷却された二酸化炭素と純水及び溶媒を混合
反応させて生成した包接化合物を蓄える貯蔵タンクと、
該貯蔵タンクに蓄えられている包接化合物をガスタービ
ンの要求圧まで昇圧するポンプにより閉ループサイクル
を形成して成ることを特徴としている。In order to solve the above-mentioned problems, a cryogenic power generation system according to the present invention comprises a combustor for burning fuel in the presence of high-pressure working carbon dioxide, steam and oxygen. A gas turbine powered by a high-temperature and high-pressure combustion gas generated in the combustor, a generator driven by the gas turbine, a waste heat boiler for recovering waste heat from exhaust gas of the gas turbine, A condenser that separates carbon dioxide from the gas turbine exhaust gas that has passed through the heat boiler and simultaneously decomposes a low-temperature and high-pressure clathrate compound, and a compressor that pressurizes the carbon dioxide separated by the condenser,
A vaporizer that heat-exchanges carbon dioxide and liquefied natural gas with the compressor to gasify the liquefied natural gas and simultaneously cools the pressurized carbon dioxide to 0 ° C. or less;
A storage tank that stores the clathrate generated by mixing and reacting the carbon dioxide and pure water and the solvent cooled by the vaporizer,
It is characterized in that a closed loop cycle is formed by a pump that raises the clathrate compound stored in the storage tank to a required pressure of the gas turbine.
【０００７】本発明によれば、コンプレッサによって昇
圧された二酸化炭素とＬＮＧとを気化器にて熱交換させ
てＬＮＧをガス化させる一方、ＬＮＧの冷熱を利用して
二酸化炭素を０℃以下に冷却する。そして、０℃以下に
冷却された二酸化炭素と純水及び溶媒を混合させてハイ
ドレート又はクラスレート（以下、包接化合物と称す
る）を生成させる。貯蔵タンクに蓄えられた包接化合物
は、ポンプによってガスタービンの要求圧まで昇圧され
たのち、凝縮器を通過する間にガスタービンの排ガスと
熱交換してガスタービン排ガス中の二酸化炭素を分離す
る一方、自分自身も分解し、作業流体ガス、即ち、高圧
の二酸化炭素及び蒸気となって燃焼器に供給される。According to the present invention, LNG is gasified by exchanging heat between carbon dioxide and LNG pressurized by a compressor in a vaporizer, and the carbon dioxide is cooled to 0 ° C. or less by utilizing the cold heat of LNG. I do. Then, carbon dioxide cooled to 0 ° C. or lower, pure water, and a solvent are mixed to generate a hydrate or clathrate (hereinafter, referred to as an inclusion compound). The clathrate compound stored in the storage tank is boosted to the required pressure of the gas turbine by the pump, and then exchanges heat with the gas turbine exhaust gas while passing through the condenser to separate carbon dioxide in the gas turbine exhaust gas. On the other hand, itself is also decomposed and supplied to the combustor as working fluid gas, ie, high-pressure carbon dioxide and steam.
【０００８】更に説明すると、液化天然ガス（ＬＮＧ）
の冷熱によって０℃以下に冷却された二酸化炭素と純水
との混合時に純水の製氷現象が優先され、包接化合物の
生成が困難な場合がある。純水中に、ある種の溶媒、例
えば、アルコールやアルコール類などを混合すると、純
水の氷結がなく、選択的に包接化合物を生成することが
可能であるため、上記溶媒を同時に混合させる。溶媒
は、比重差を利用して包接化合物から分離可能であるか
ら循環して使用される。To explain further, liquefied natural gas (LNG)
When mixing carbon dioxide and pure water cooled to 0 ° C. or less by the cold heat of water, the ice-making phenomenon of pure water takes precedence, and it may be difficult to generate an inclusion compound. When pure water is mixed with a certain solvent, for example, alcohol or alcohols, the above-mentioned solvents are mixed at the same time because free water of the pure water does not freeze and an inclusion compound can be selectively generated. . Since the solvent can be separated from the clathrate compound by utilizing the difference in specific gravity, it is circulated and used.
【０００９】一方、ガスタービンの高温部分、例えば、
タービン翼列に、燃焼器に供給する作動流体（二酸化炭
素及び蒸気）の一部を導入することにより、ガスタービ
ンの高温部分を冷却することができる。On the other hand, a high temperature portion of a gas turbine, for example,
By introducing a part of the working fluid (carbon dioxide and steam) to be supplied to the combustor to the turbine cascade, a high temperature part of the gas turbine can be cooled.
【００１０】[0010]
【発明の実施の形態】以下、図面を用いて本発明の実施
の形態について説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１１】図１は本発明の冷熱利用発電システムの概
略図であり、本システムは、燃焼器１と、ガスタービン
２と、廃熱ボイラ３と、凝縮器４と、コンプレッサ５
と、気化器６と、貯蔵タンク７と、ポンプ８により、閉
ループサイクル９を形成している。そして、作業流体で
ある二酸化炭素（ＣＯ2 ）が、上記閉ループサイクル９
を循環するようになっている。FIG. 1 is a schematic diagram of a power generation system utilizing cold energy according to the present invention. The system comprises a combustor 1, a gas turbine 2, a waste heat boiler 3, a condenser 4, and a compressor 5
, The vaporizer 6, the storage tank 7, and the pump 8 form a closed loop cycle 9. Then, carbon dioxide (CO 2 ) as a working fluid is supplied to the closed loop cycle 9.
It is designed to circulate.
【００１２】上記燃焼器１は、液化天然ガス（ＬＮＧ）
を燃料ｃとしており、これに極力理論空気量に相当する
量の純酸素（Ｏ2 ）ｂを供給して燃焼させている。燃焼
器１で生じた高温高圧の燃焼ガスｄは、ガスタービン２
に導入され、発電機１０を駆動する動力源になってい
る。The combustor 1 is a liquefied natural gas (LNG)
Is used as a fuel c, and pure oxygen (O 2 ) b in an amount corresponding to the theoretical air amount is supplied to the fuel c as much as possible to burn it. The high-temperature and high-pressure combustion gas d generated in the combustor 1 is supplied to a gas turbine 2
And serves as a power source for driving the generator 10.
【００１３】上記ガスタービン２から排出された排ガス
ｅは、廃熱回収する廃熱ボイラ３を経て凝縮器４に導入
される。凝縮器４は、ポンプ８によって昇圧された０℃
以下の二酸化炭素ハイドレート又はクラスレート（以
下、包接化合物と称する）ｈを利用して排ガスｅ中の蒸
気（Ｈ2 Ｏ）を凝集し、除去するようになっている。The exhaust gas e discharged from the gas turbine 2 is introduced into a condenser 4 via a waste heat boiler 3 for recovering waste heat. The condenser 4 has a pressure of 0 ° C.
The following carbon dioxide hydrate or clathrate (hereinafter, referred to as clathrate) h is used to aggregate and remove the vapor (H 2 O) in the exhaust gas e.
【００１４】蒸気（Ｈ2 Ｏ）を分離したガス状の二酸化
炭素（ＣＯ2 ）ｇは、作業流体として閉ループサイクル
９に戻されるが、燃焼の際に生じた余分な二酸化炭素な
どは、排気ｆとして大気中に放出される。The gaseous carbon dioxide (CO 2 ) g from which the steam (H 2 O) has been separated is returned to the closed loop cycle 9 as a working fluid. Released into the atmosphere as.
【００１５】ガス状の二酸化炭素（ＣＯ2 ）ｇは、コン
プレッサ５によって昇圧（２ａｔｍ）されたのち、気化
器６に導入される。そして、液化天然ガス（ＬＮＧ）ｊ
と熱交換して液化天然ガス（ＬＮＧ）ｊをガス化させる
一方、自分自身も０℃以下、即ち、マイナス４５℃に冷
却される。The gaseous carbon dioxide (CO 2 ) g is pressurized (2 atm) by the compressor 5 and then introduced into the vaporizer 6. And liquefied natural gas (LNG) j
While the liquefied natural gas (LNG) j is gasified by heat exchange with itself, the gas itself is cooled to 0 ° C. or less, that is, −45 ° C.
【００１６】ＬＮＧによってマイナス４５℃に冷却され
たガス状の二酸化炭素ｇは、純水（Ｈ2 Ｏ）ｗ、および
アルコールやアルコール類などの溶媒ｉと一緒に図示し
ないノズルから貯蔵タンク７内に噴出され、包接化合物
ｈを選択的に生成する。貯蔵タンク７に貯蔵された包接
化合物ｈは、ポンプ８によってガスタービン２の要求圧
まで昇圧されたのち、凝縮器４に供給される。そして、
ガスタービン２の排ガスｅと熱交換して分解されたの
ち、高圧の作業流体ガス（二酸化炭素及び蒸気）ａとし
て燃焼器１に供給される。The gaseous carbon dioxide g cooled to −45 ° C. by LNG is introduced into a storage tank 7 from a nozzle (not shown) together with pure water (H 2 O) w and a solvent i such as alcohol or alcohols. It is ejected to selectively generate the clathrate h. The clathrate compound h stored in the storage tank 7 is supplied to the condenser 4 after the pressure is increased to the required pressure of the gas turbine 2 by the pump 8. And
After being decomposed by exchanging heat with the exhaust gas e of the gas turbine 2, it is supplied to the combustor 1 as a high-pressure working fluid gas (carbon dioxide and steam) a.
【００１７】溶媒ｉの一部は、比重差を利用して包接化
合物ｈから分離され、ポンプ１５を有する循環ライン１
６を経て図示しないノズルに戻される。水槽１１には、
純水ｗ及び溶媒ｉが補給されるようになっている。A part of the solvent i is separated from the clathrate h by utilizing a specific gravity difference, and
After 6 the nozzle is returned to a nozzle (not shown). In the water tank 11,
Pure water w and solvent i are supplied.
【００１８】一方、ガスタービン２の高温部分、例え
ば、タービン翼（図示せず）の部分は、燃焼器１の手前
で配管１２から分岐した分岐管１３を経て供給される高
圧の作業流体ガス（二酸化炭素及び蒸気）ａによって冷
却されるようになっている。また、廃熱ボイラ３は、起
動用バーナー１４を備えている。On the other hand, a high-temperature portion of the gas turbine 2, for example, a portion of a turbine blade (not shown) is supplied with a high-pressure working fluid gas (a high-pressure working fluid gas supplied via a branch pipe 13 branched from a pipe 12 before the combustor 1). (Carbon dioxide and steam) a. Further, the waste heat boiler 3 includes a starter burner 14.
【００１９】一般に、純酸素（Ｏ2 ）の製造に要する原
単価は高いが、ＬＮＧが保有している冷熱を利用した深
冷分離法を利用すると、比較的安価に純酸素（Ｏ2 ）を
製造することができる。In general, the unit cost required for the production of pure oxygen (O 2 ) is high, but the use of the cryogenic separation method utilizing the cold heat of LNG makes it possible to produce pure oxygen (O 2 ) at relatively low cost. Can be manufactured.
【００２０】[0020]
【実施例】（実施例）本発明の発電効率と、通常のガス
タービン発電（以下、通常のＧＴ発電と称する）の発電
効率を「表１」に示す。この「表１」から本発明の方が
通常のＧＴ発電より発電効率が格段に高いことが分か
る。EXAMPLES (Example) Table 1 shows the power generation efficiency of the present invention and the power generation efficiency of normal gas turbine power generation (hereinafter referred to as normal GT power generation). From Table 1, it can be seen that the power generation efficiency of the present invention is much higher than that of normal GT power generation.
【００２１】なお、発電出力は、いずれも、２４，００
０ｋＷに設定した。また、「表１」中、※１は、残存酸
素が３．６％有り、また、※２は、深冷分離法による酸
素製造時の製造動力を差し引いた後の発電効率を示して
いる。The power generation output was 24,000
It was set to 0 kW. In Table 1, * 1 indicates that the residual oxygen is 3.6%, and * 2 indicates the power generation efficiency after subtracting the production power at the time of producing oxygen by the cryogenic separation method.
【００２２】[0022]
【表１】 [Table 1]
【００２３】[0023]
【発明の効果】上記のように、本発明は、作業流体であ
る高圧の二酸化炭素、蒸気及び酸素の存在下で燃料を燃
焼させる燃焼器と、該燃焼器で生じた高温高圧の燃焼ガ
スを動力源とするガスタービンと、該ガスタービンによ
り駆動される発電機と、前記ガスタービンの排ガスから
廃熱を回収する廃熱ボイラと、該廃熱ボイラを経たガス
タービン排ガス中から二酸化炭素を分離すると同時に低
温高圧の包接化合物を分解させる凝縮器と、該凝縮器で
分離された二酸化炭素を昇圧するコンプレッサと、該コ
ンプレッサで昇圧された二酸化炭素と液化天然ガスとを
熱交換させて液化天然ガスをガス化させると同時に昇圧
された二酸化炭素を０℃以下に冷却する気化器と、該気
化器で冷却された二酸化炭素と純水及び溶媒を混合反応
させて生成した包接化合物を蓄える貯蔵タンクと、該貯
蔵タンクに蓄えられている包接化合物をガスタービンの
要求圧まで昇圧するポンプにより閉ループサイクルを形
成させたので、次のような優れた効果を有する。As described above, the present invention relates to a combustor for burning fuel in the presence of high-pressure carbon dioxide, steam and oxygen as working fluids, and a high-temperature and high-pressure combustion gas generated in the combustor. A gas turbine serving as a power source, a generator driven by the gas turbine, a waste heat boiler for recovering waste heat from exhaust gas of the gas turbine, and separating carbon dioxide from gas turbine exhaust gas passing through the waste heat boiler At the same time, a condenser that decomposes the inclusion compound at a low temperature and a high pressure, a compressor that pressurizes the carbon dioxide separated by the condenser, and heat exchange between the carbon dioxide pressurized by the compressor and the liquefied natural gas A vaporizer for gasifying gas and simultaneously cooling pressurized carbon dioxide to 0 ° C. or lower, and a package formed by mixing and reacting the carbon dioxide cooled by the vaporizer with pure water and a solvent. A storage tank for storing a compound, since the inclusion compounds are accumulated in the reservoir tank to form a closed loop cycle by a pump to boost to the required pressure of a gas turbine, has excellent effects as follows.
【００２４】すなわち、 ＬＮＧの冷熱を有効に利用することにより、従来、
海に捨てられていたＬＮＧの液化エネルギーの一部を電
力として高効率で回収することが可能になった。That is, by effectively utilizing the cold heat of LNG,
It has become possible to recover a part of the liquefied energy of LNG discarded in the sea as electric power with high efficiency.
【００２５】 作業流体である二酸化炭素に付与する
純水中にアルコールやアルコール類などの溶媒を混合さ
せることにより、純水の製氷現象を抑制することが可能
になり、安定した運転が可能になった。By mixing a solvent such as alcohol or alcohols into pure water given to carbon dioxide as a working fluid, it becomes possible to suppress the ice-making phenomenon of pure water and to achieve stable operation. Was.
【００２６】 燃焼に必要な酸素濃度を任意に制御で
きるため、燃焼排ガス中の酸素濃度を少なくでき、ＮＯ
ｘなどの削減にも寄与することが可能である。Since the oxygen concentration required for combustion can be arbitrarily controlled, the oxygen concentration in the combustion exhaust gas can be reduced, and NO
It is also possible to contribute to the reduction of x and the like.
【００２７】 通常の空気圧縮機が不要であり、既存
のガスタービンよりコスト的に安価である。No ordinary air compressor is required, and the cost is lower than existing gas turbines.
【００２８】 凝縮器の作業流体（非凝縮ガス）の分
圧を増大することができ、凝縮器をコンパクト化するこ
とが可能になった。The partial pressure of the working fluid (non-condensable gas) of the condenser can be increased, and the condenser can be made compact.
【図１】本発明に係る冷熱利用発電システムの系統図で
ある。FIG. 1 is a system diagram of a cold heat power generation system according to the present invention.
１ 燃焼器 ２ ガスタービン ３ 廃熱ボイラ ４ 凝縮器 ５ コンプレッサ ６ 気化器 ７ 貯蔵タンク ８ ポンプ ９ 閉ループサイクル １０ 発電機 ｂ 酸素 ｃ 燃料 ｄ 燃焼ガス ｅ ガスタービン排ガス ｇ 二酸化炭素 ｈ 包接化合物 ｉ 溶媒 ｊ 液化天然ガス ｗ 純水 DESCRIPTION OF SYMBOLS 1 Combustor 2 Gas turbine 3 Waste heat boiler 4 Condenser 5 Compressor 6 Vaporizer 7 Storage tank 8 Pump 9 Closed-loop cycle 10 Generator b Oxygen c Fuel d Combustion gas e Gas turbine exhaust gas g Carbon dioxide h Inclusion compound i Solvent j Liquefied natural gas w Pure water
Claims (2)
及び酸素の存在下で燃料を燃焼させる燃焼器と、該燃焼
器で生じた高温高圧の燃焼ガスを動力源とするガスター
ビンと、該ガスタービンにより駆動される発電機と、前
記ガスタービンの排ガスから廃熱を回収する廃熱ボイラ
と、該廃熱ボイラを経たガスタービン排ガス中から二酸
化炭素を分離すると同時に低温高圧の包接化合物を分解
させる凝縮器と、該凝縮器で分離された二酸化炭素を昇
圧するコンプレッサと、該コンプレッサで昇圧された二
酸化炭素と液化天然ガスとを熱交換させて液化天然ガス
をガス化させると同時に昇圧された二酸化炭素を０℃以
下に冷却する気化器と、該気化器で冷却された二酸化炭
素と純水及び溶媒を混合反応させて生成した包接化合物
を蓄える貯蔵タンクと、該貯蔵タンクに蓄えられている
包接化合物をガスタービンの要求圧まで昇圧するポンプ
により閉ループサイクルを形成して成る冷熱利用発電シ
ステム。1. A combustor for burning fuel in the presence of high-pressure carbon dioxide, steam and oxygen as a working fluid, a gas turbine powered by high-temperature and high-pressure combustion gas generated in the combustor, A generator driven by a gas turbine, a waste heat boiler that recovers waste heat from the exhaust gas of the gas turbine, and a low temperature and high pressure clathrate compound that separates carbon dioxide from the gas turbine exhaust gas passing through the waste heat boiler. A condenser that decomposes, a compressor that pressurizes the carbon dioxide separated by the condenser, and heat exchange between the carbon dioxide and the liquefied natural gas pressurized by the compressor to gasify the liquefied natural gas and increase the pressure at the same time. And a storage tank for storing clathrates formed by mixing and reacting the carbon dioxide cooled by the vaporizer with pure water and a solvent. And a pump system for increasing the pressure of the clathrate compound stored in the storage tank to the required pressure of the gas turbine to form a closed loop cycle.
一部によりタービン翼列を冷却することを特徴とする請
求項１記載の冷熱利用発電システム。2. The system according to claim 1, wherein the turbine cascade is cooled by a part of the working fluid branched upstream of the combustor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26526499A JP4094185B2 (en) | 1999-08-24 | 1999-09-20 | Cold power generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11-237160 | 1999-08-24 | ||
| JP23716099 | 1999-08-24 | ||
| JP26526499A JP4094185B2 (en) | 1999-08-24 | 1999-09-20 | Cold power generation system |
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| Publication Number | Publication Date |
|---|---|
| JP2001132472A true JP2001132472A (en) | 2001-05-15 |
| JP4094185B2 JP4094185B2 (en) | 2008-06-04 |
Family
ID=26533079
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26526499A Expired - Fee Related JP4094185B2 (en) | 1999-08-24 | 1999-09-20 | Cold power generation system |
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| JP (1) | JP4094185B2 (en) |
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