JPH09280111A - High pressure combustion exhaust gas liquefying and discharging system - Google Patents
High pressure combustion exhaust gas liquefying and discharging systemInfo
- Publication number
- JPH09280111A JPH09280111A JP11562796A JP11562796A JPH09280111A JP H09280111 A JPH09280111 A JP H09280111A JP 11562796 A JP11562796 A JP 11562796A JP 11562796 A JP11562796 A JP 11562796A JP H09280111 A JPH09280111 A JP H09280111A
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- Prior art keywords
- condenser
- exhaust gas
- cooling water
- temperature
- high pressure
- Prior art date
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、深海などの高い圧
力環境のもとで外部から空気の供給を受けずに動力を発
生させる海水原動設備において、高圧の燃焼排ガスを高
圧低温の水中に液化して排出する燃焼排ガスの液化排出
システムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seawater power plant that generates power without being supplied with air from the outside under a high pressure environment such as deep sea, and liquefies high pressure combustion exhaust gas into high pressure and low temperature water. The present invention relates to a liquefaction discharge system for combustion exhaust gas that is discharged after being discharged.
【０００２】[0002]
【従来の技術】図３は上述のような海中原動設備におけ
る従来の燃焼排ガスを高圧低温の水中に排出する燃焼排
ガスの液化排出システムを示すもので、海中原動設備に
は炭化水素系の燃料を貯蔵する燃料タンク１、同燃料を
加圧して高圧燃焼器５に供給する燃料ポンプ２、液体酸
素または過酸化水素などからなる液体状酸化剤を貯蔵す
る酸化剤タンク３、同酸化剤を加圧して高圧燃焼器５に
供給する酸化剤ポンプ４とが設けられている。2. Description of the Related Art FIG. 3 shows a conventional liquefaction and discharge system for combustion exhaust gas, which discharges the conventional combustion exhaust gas into high-pressure and low-temperature water in the undersea power plant. A fuel tank 1 for storing fuel, a fuel pump 2 for pressurizing the fuel and supplying it to the high-pressure combustor 5, an oxidant tank 3 for storing a liquid oxidant such as liquid oxygen or hydrogen peroxide, and an oxidant for the same. An oxidant pump 4 that pressurizes and supplies the high-pressure combustor 5 is provided.
【０００３】燃料および液体状酸化剤は、少なくとも外
部環境（当該海中原動設備が設置されているスペース）
よりも高い圧力まで燃料ポンプ２および酸化剤ポンプ４
により加圧されて高圧燃焼器５に送り込まれる。高圧燃
焼器５で燃料および酸化剤が混合燃焼し、高圧燃焼器５
で発生した熱は、例えばスターリングエンジンなどの外
燃式熱サイクル機関（原動機本体）６において動力に変
換され、発電機６Ａを駆動する。The fuel and the liquid oxidizer are used at least in the external environment (the space where the submarine power plant is installed).
Fuel pump 2 and oxidizer pump 4 up to higher pressure
And is sent to the high pressure combustor 5. Fuel and oxidant are mixed and burned in the high pressure combustor 5, and the high pressure combustor 5
The heat generated in 1 is converted into power in an external combustion heat cycle engine (motor main body) 6 such as a Stirling engine, and drives the generator 6A.
【０００４】高圧燃焼器５の排ガス系に、酸化剤予熱器
７、排ガスクーラ１４、Ｈ2Ｏ凝縮器８１およびＣＯ2凝
縮器８２がこの順に直列配設されている。符号８１ａは
Ｈ2Ｏ凝縮器８１の出口側とＣＯ2凝縮器８２との間に介
装された第１気泡分離器を示している。またＣＯ2凝縮
器の出口側に第２気泡分離器８２ａが設けられていて、
ここから液体成分を排出するＣＯ2排出ポンプ９１が設
けられ、さらに第１気泡分離器８１ａから液体成分を排
出するＨ2Ｏ排出ポンプ９２も設けられている。An oxidant preheater 7, an exhaust gas cooler 14, an H 2 O condenser 81 and a CO 2 condenser 82 are serially arranged in this order in the exhaust gas system of the high pressure combustor 5. Reference numeral 81a indicates a first bubble separator interposed between the outlet side of the H 2 O condenser 81 and the CO 2 condenser 82. Further, a second bubble separator 82a is provided on the outlet side of the CO 2 condenser,
A CO 2 discharge pump 91 that discharges the liquid component from here is provided, and a H 2 O discharge pump 92 that discharges the liquid component from the first bubble separator 81a is also provided.
【０００５】符号１０は凝縮器冷却水ポンプを、また符
号１５はエンジン冷却水ポンプを、さらに符号１２は二
次冷却水ポンプそれぞれ示している。上述の構成におい
て、凝縮器冷却水は凝縮器冷却水ポンプ１０により循環
駆動され、Ｈ2Ｏ凝縮器８１，ＣＯ2凝縮器８２および排
ガスクーラ４で熱を受け取り冷却水冷却器１１で放熱す
る。二次冷却水は二次冷却水ポンプ１２により駆動さ
れ、冷却水冷却器１１で熱を受け取り高圧低温の水中に
排出される。一方エンジン冷却水は、エンジン冷却水ポ
ンプ１５により循環駆動され、原動機本体６で熱を受け
取り冷却水冷却器１１で放熱する。Reference numeral 10 indicates a condenser cooling water pump, reference numeral 15 indicates an engine cooling water pump, and reference numeral 12 indicates a secondary cooling water pump. In the above-described configuration, the condenser cooling water is circulated and driven by the condenser cooling water pump 10, and the H 2 O condenser 81, the CO 2 condenser 82, and the exhaust gas cooler 4 receive heat, and the cooling water cooler 11 radiates the heat. The secondary cooling water is driven by the secondary cooling water pump 12, receives heat in the cooling water cooler 11, and is discharged into high-pressure and low-temperature water. On the other hand, the engine cooling water is circulated and driven by the engine cooling water pump 15, the heat is received by the prime mover body 6 and is radiated by the cooling water cooler 11.
【０００６】[0006]
【発明が解決しようとする課題】ところで、上述のよう
な従来の燃焼排ガスの液化排出システムでは、ＣＯ2凝
縮器８２の凝縮液の温度は燃焼量により変動する。一方
燃焼・凝縮系の圧力は、燃焼ガスの主成分のうち蒸気圧
の高いＣＯ2の凝縮液温度に対する飽和温度に支配され
るので、上記システムにおける燃焼凝縮系の圧力は図２
に示すようにＣＯ2凝縮器８２の凝縮液温度により大幅
に変動する。この結果、高圧燃焼器５では安定した燃焼
が不可能となるという問題がある。In the conventional liquefied exhaust system for combustion exhaust gas as described above, the temperature of the condensate in the CO 2 condenser 82 varies depending on the amount of combustion. On the other hand, the pressure of the combustion / condensation system is governed by the saturation temperature of the CO 2 having a high vapor pressure, which is one of the main components of the combustion gas, with respect to the temperature of the condensate.
As shown in (4), the temperature greatly varies depending on the temperature of the condensate in the CO 2 condenser 82. As a result, there is a problem that stable combustion is impossible in the high pressure combustor 5.
【０００７】本発明は、このような問題点を解決をはか
ろうとするもので、燃料量によらずＣＯ2の凝縮器の凝
縮液温度を一定に制御し燃焼・凝縮系の圧力を一定とし
て、高圧燃焼器で安定した燃焼を可能にした高圧燃焼排
ガスの液化排出システムを提供することを目的とする。The present invention is intended to solve such a problem, in which the temperature of the condensate of the CO 2 condenser is controlled to be constant and the pressure of the combustion / condensation system is controlled to be constant regardless of the amount of fuel. An object of the present invention is to provide a liquefaction and discharge system for high pressure combustion exhaust gas, which enables stable combustion in a high pressure combustor.
【０００８】[0008]
【課題を解決するための手段】本発明は、高圧燃焼器
と、同高圧燃焼器から排出される高圧の燃焼排ガスを冷
却水により冷却して液化させる排ガス凝縮器と、同排ガ
ス凝縮器で液化された上記燃焼排ガスを加圧排出する排
出ポンプとをそなえた高圧燃焼排ガスの液化排出システ
ムにおいて、上記排ガス凝縮器における凝縮液温度測定
器と、同凝縮液温度測定器からの信号を受けて上記排ガ
ス凝縮機の冷却水の温度あるいは流量を制御する制御手
段とを設けて課題解決の手段としている。The present invention is directed to a high-pressure combustor, an exhaust gas condenser for liquefying high-pressure combustion exhaust gas discharged from the high-pressure combustor by cooling water, and liquefaction by the exhaust gas condenser. In a liquefaction and discharge system of high-pressure combustion exhaust gas, which is equipped with a discharge pump for pressurizing and discharging the combustion exhaust gas, a condensate temperature measuring device in the exhaust gas condenser, and a signal from the condensate temperature measuring device A control means for controlling the temperature or flow rate of the cooling water of the exhaust gas condenser is provided to solve the problem.
【０００９】また、上記排ガス凝縮器をＨ2Ｏ凝縮器と
同Ｈ2Ｏ凝縮器の下流に配設されるＣＯ2凝縮器とで構成
し、上記凝縮液温度測定器を上記ＣＯ2凝縮器に設ける
とともに、上記制御手段により上記ＣＯ2凝縮器に供給
される冷却水の温度あるいは流量を制御するように構成
して課題解決の手段としている。The exhaust gas condenser is composed of an H 2 O condenser and a CO 2 condenser arranged downstream of the H 2 O condenser, and the condensate temperature measuring device is the CO 2 condenser. In addition to the above, the control means controls the temperature or flow rate of the cooling water supplied to the CO 2 condenser, which serves as means for solving the problem.
【００１０】本発明の高圧燃焼排ガスの液化排出システ
ムでは、排ガス凝縮器における凝縮液温度を測定し、こ
れが設定した目標温度より低くなれば凝縮器冷却水の温
度を上昇するかあるいは凝縮器冷却水の流量を減少して
凝縮液温度を上昇させる。逆に凝縮液温度が設定した目
標温度より高くなれば凝縮器冷却水の温度を低下するか
あるいは凝縮器冷却水の流量を増大し、その結果凝縮液
温度を低下させる。したがって、排ガス凝縮器の凝縮液
温度は常に目標温度で一定となり、ＣＯ2蒸気分圧を一
定として燃焼・凝縮系の圧力を一定に維持することがで
きる。In the liquefying and discharging system for high pressure combustion exhaust gas of the present invention, the temperature of the condensate in the exhaust gas condenser is measured, and if it becomes lower than the set target temperature, the temperature of the condenser cooling water is increased or the temperature of the condenser cooling water is increased. To increase the condensate temperature. On the contrary, when the condensate temperature becomes higher than the set target temperature, the temperature of the condenser cooling water is lowered or the flow rate of the condenser cooling water is increased, and as a result, the condensate temperature is lowered. Therefore, the condensate temperature of the exhaust gas condenser is always constant at the target temperature, and the CO 2 vapor partial pressure can be kept constant to maintain the pressure of the combustion / condensation system constant.
【００１１】[0011]
【発明の実施の形態】以下、図面により本発明の一実施
形態としての高圧燃焼排ガス液化排出システムについて
説明すると、図１はその系統図である。なお、図１中図
３と同じ符号はほぼ同一の一部材を示している。すなわ
ち図１において、符号１ないし１６はいずれも図３にお
ける符号１ないし１６で示した部材と同じ部材であり、
この実施形態のものでは符号１ないし１６で示した部材
により構成される高圧燃焼排ガスの液化排出システムに
次の構成が追加されている。BEST MODE FOR CARRYING OUT THE INVENTION A high pressure combustion exhaust gas liquefaction and discharge system as an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a system diagram thereof. The same reference numerals as those in FIG. 3 in FIG. 1 indicate almost the same members. That is, in FIG. 1, reference numerals 1 to 16 are the same members as the members shown by reference numerals 1 to 16 in FIG.
In this embodiment, the following configuration is added to the liquefaction and discharge system for high-pressure combustion exhaust gas, which is composed of the members indicated by reference numerals 1 to 16.
【００１２】つまり図１に示すように、符号１ないし１
６で示した部材により構成されたシステムに、ＣＯ2凝
縮器８２に同凝縮器における凝縮液温度の測定器１８が
設けられ、また凝縮器冷却水ポンプ１０の吸込み側に凝
縮器冷却水温度の測定器１９が設けられ、さらに二次冷
却水ポンプ１２の吐出側に二次冷却水温度の測定器２０
が設けられている。さらにＣＯ2凝縮器に対する冷却水
をバイパスして冷却水流量を制御する流量制御弁２２
と、凝縮器冷却系の熱交換器１１ａをバイパスして凝縮
器冷却水の冷却水冷却器流量を制御する制御弁２３とが
設けられ、そのほか測定器１８の測定温度，測定器１９
および測定器２０の測定温度を入力されて流量制御弁２
２および制御弁２３の開度制御信号を出力するコントロ
ールユニット２４が設けられている。That is, as shown in FIG.
In the system constituted by the members shown by 6, the CO 2 condenser 82 is provided with a condensate temperature measuring device 18 in the condenser, and the condenser cooling water temperature is measured on the suction side of the condenser cooling water pump 10. A measuring device 19 is provided, and a secondary cooling water temperature measuring device 20 is provided on the discharge side of the secondary cooling water pump 12.
Is provided. Further, a flow rate control valve 22 for controlling the flow rate of cooling water by bypassing the cooling water for the CO 2 condenser
And a control valve 23 for controlling the cooling water cooler flow rate of the condenser cooling water by bypassing the heat exchanger 11a of the condenser cooling system.
And the temperature measured by the measuring device 20 are input to the flow control valve 2
2 and a control unit 24 that outputs an opening control signal for the control valve 23.
【００１３】上述の構成において、ＣＯ2凝縮器８２に
おける凝縮液温度が測定器１８で測定されてコントロー
ルユニット２４に入力される。コントロールユニット２
４は、測定された凝縮液温度が設定した目標温度より低
くなれば制御弁２３の開度を大きくして凝縮冷却水の温
度を上昇させるか、あるいは流量制御弁２２の開度を大
きくしてＣＯ2凝縮器冷却水流量を減少させる信号を出
力し、これによりＣＯ2凝縮液温度を上昇させる制御が
行なわれる。In the above arrangement, the temperature of the condensate in the CO 2 condenser 82 is measured by the measuring device 18 and input to the control unit 24. Control unit 2
No. 4 increases the opening of the control valve 23 to increase the temperature of the condensed cooling water when the measured condensate temperature becomes lower than the set target temperature, or increases the opening of the flow control valve 22. A signal for reducing the flow rate of the CO 2 condenser cooling water is output, and thereby control for increasing the CO 2 condensate temperature is performed.
【００１４】逆に測定器１８で測定された凝縮液温度が
設定した目標温度より高くなれば、コントロールユニッ
ト２４は制御弁２３の開度を小さくして凝縮器冷却水の
温度を低下させるか、あるいは制御弁２２の開度を小さ
くしてＣＯ2凝縮器冷却水流量を増加する信号を出力
し、これによりＣＯ2凝縮液温度を低下させる制御が行
なわれる。これによりＣＯ2凝縮器８２の凝縮液の温度
は常に目標温度で一定となり、したがってＣＯ2蒸気分
圧が一定となって燃焼・凝縮系の圧力を一定に維持する
ことができる。On the contrary, if the condensate temperature measured by the measuring device 18 becomes higher than the set target temperature, the control unit 24 reduces the opening of the control valve 23 to lower the temperature of the condenser cooling water. Alternatively, control is performed to decrease the opening of the control valve 22 and output a signal to increase the flow rate of the CO 2 condenser cooling water, thereby lowering the CO 2 condensate temperature. As a result, the temperature of the condensate in the CO 2 condenser 82 is always constant at the target temperature, so that the CO 2 vapor partial pressure is constant and the pressure in the combustion / condensation system can be maintained constant.
【００１５】上記の例では排ガス凝縮器がＨ2Ｏ凝縮器
８１とその下流に配設されるＣＯ2凝縮器８２とで構成
されているが、排ガス凝縮器を一台の凝縮器で構成して
もよく、その場合当該凝縮器に対する冷却水の温度ある
いは流量の制御を行なうことにより、上記の例と同様の
作用効果が得られることはいうまでもない。なお、測定
器１９や測定器２０の測定温度に応じた流量制御弁２２
や制御弁２３の開度制御により、ＣＯ2凝縮液温度の制
御も付加的に行なわれる。In the above example, the exhaust gas condenser is composed of the H 2 O condenser 81 and the CO 2 condenser 82 arranged downstream thereof, but the exhaust gas condenser is constituted by one condenser. Of course, in that case, by controlling the temperature or flow rate of the cooling water for the condenser, it is needless to say that the same operational effect as the above example can be obtained. In addition, the flow control valve 22 according to the measurement temperature of the measuring device 19 or the measuring device 20.
Also, by controlling the opening degree of the control valve 23, the control of the CO 2 condensate temperature is additionally performed.
【００１６】[0016]
【発明の効果】以上詳述したように、本発明の高圧燃焼
排ガス液化排出システムによれば、燃焼・凝縮系の圧力
が一定に維持することができ、その結果常に圧力一定の
安定した燃焼を実現することができる、という利点が得
られる。As described above in detail, according to the high pressure combustion exhaust gas liquefaction and discharge system of the present invention, the pressure of the combustion / condensation system can be kept constant, and as a result, stable combustion with a constant pressure can be always performed. The advantage is that it can be realized.
【図１】本発明の一実施形態としての高圧燃焼排ガスの
液化排出システムの系統図。FIG. 1 is a system diagram of a liquefaction discharge system for high-pressure combustion exhaust gas as one embodiment of the present invention.
【図２】二酸化炭素の飽和圧力線図。FIG. 2 is a saturation pressure diagram of carbon dioxide.
【図３】従来の高圧燃焼排ガスの液化排出システムの系
統図。FIG. 3 is a system diagram of a conventional high-pressure combustion exhaust gas liquefaction discharge system.
１ 燃料タンク ２ 燃料ポンプ ３ 酸化剤タンク ４ 酸化剤ポンプ ５ 高圧燃焼器 ６ 原動機本体 ６Ａ 発電機 ７ 酸化剤予熱器 ８１ Ｈ2Ｏ凝縮器 ８２ ＣＯ2凝縮器 ９１ Ｈ2Ｏ排出ポンプ ９２ ＣＯ2排出ポンプ １０ 凝縮器冷却水ポンプ １１ 冷却水冷却器 １２ 二次冷却水ポンプ １３ 二次冷却水配管 １４ 排ガスクーラ １５ エンジン冷却水ポンプ １６ エンジン冷却水配管 １８，１９，２０ 温度測定器 ２２ 流量制御弁 ２３ 制御弁 ２４ コントロールユニット1 Fuel Tank 2 Fuel Pump 3 Oxidizer Tank 4 Oxidizer Pump 5 High Pressure Combustor 6 Main Engine 6A Generator 7 Oxidizer Preheater 81 H 2 O Condenser 82 CO 2 Condenser 91 H 2 O Exhaust Pump 92 CO 2 Emission Pump 10 Condenser cooling water pump 11 Cooling water cooler 12 Secondary cooling water pump 13 Secondary cooling water pipe 14 Exhaust gas cooler 15 Engine cooling water pump 16 Engine cooling water pipe 18, 19, 20 Temperature measuring device 22 Flow control valve 23 Control valve 24 Control unit
Claims (2)
る高圧の燃焼排ガスを冷却水により冷却して液化させる
排ガス凝縮器と、同排ガス凝縮器で液化された上記燃焼
排ガスを加圧排出する排出ポンプとをそなえた高圧燃焼
排ガスの液化排出システムにおいて、上記排ガス凝縮器
における凝縮液温度測定器と、同凝縮液温度測定器から
の信号を受けて上記排ガス凝縮器の冷却水の温度あるい
は流量を制御する制御手段とが設けられていることを特
徴とする、高圧燃焼排ガスの液化排出システム。1. A high-pressure combustor, an exhaust gas condenser for cooling high-pressure combustion exhaust gas discharged from the high-pressure combustor with cooling water and liquefying it, and pressurizing the combustion exhaust gas liquefied by the exhaust gas condenser. In a liquefaction and discharge system of high-pressure combustion exhaust gas having an exhaust pump for discharging, a condensate temperature measuring device in the exhaust gas condenser, and a temperature of cooling water of the exhaust gas condenser in response to a signal from the condensate temperature measuring device Alternatively, a control means for controlling the flow rate is provided, and the liquefaction and discharge system for high-pressure combustion exhaust gas is characterized.
凝縮器の下流に配設されるＣＯ2凝縮器とで構成され、
上記凝縮液温度測定器が上記ＣＯ2凝縮器に設けられる
とともに、上記制御手段により上記ＣＯ2凝縮器に供給
される冷却水の温度あるいは流量が制御されるように構
成されていることを特徴とする、請求項１に記載の高圧
燃焼排ガスの液化排出システム。2. The exhaust gas condenser and the H 2 O condenser are the same as H 2 O.
And a CO 2 condenser arranged downstream of the condenser,
The condensate temperature measuring device is provided in the CO 2 condenser, and the control means controls the temperature or flow rate of the cooling water supplied to the CO 2 condenser. The liquefaction discharge system of the high pressure combustion exhaust gas according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11562796A JPH09280111A (en) | 1996-04-12 | 1996-04-12 | High pressure combustion exhaust gas liquefying and discharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11562796A JPH09280111A (en) | 1996-04-12 | 1996-04-12 | High pressure combustion exhaust gas liquefying and discharging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09280111A true JPH09280111A (en) | 1997-10-28 |
Family
ID=14667336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11562796A Withdrawn JPH09280111A (en) | 1996-04-12 | 1996-04-12 | High pressure combustion exhaust gas liquefying and discharging system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09280111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101411481B1 (en) * | 2011-11-23 | 2014-06-25 | 삼성중공업 주식회사 | System And Method For Cooling Carbon Dioxide |
-
1996
- 1996-04-12 JP JP11562796A patent/JPH09280111A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101411481B1 (en) * | 2011-11-23 | 2014-06-25 | 삼성중공업 주식회사 | System And Method For Cooling Carbon Dioxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20030701 |