JP2001248409A - Exhaust heat recovery system - Google Patents
Exhaust heat recovery systemInfo
- Publication number
- JP2001248409A JP2001248409A JP2000060784A JP2000060784A JP2001248409A JP 2001248409 A JP2001248409 A JP 2001248409A JP 2000060784 A JP2000060784 A JP 2000060784A JP 2000060784 A JP2000060784 A JP 2000060784A JP 2001248409 A JP2001248409 A JP 2001248409A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust heat
- liquid
- heat source
- absorber
- regenerator
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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、コジェネレーショ
ンシステムなどに用いるために、ディーゼルエンジン、
スターリングエンジン、ミラーサイクルガスエンジンな
どのエンジンや燃料電池などから発生する排熱を回収し
て動力を取り出すように構成した排熱回収システムに関
する。The present invention relates to a diesel engine for use in a cogeneration system or the like.
The present invention relates to an exhaust heat recovery system configured to recover exhaust heat generated from an engine such as a Stirling engine or a Miller cycle gas engine, a fuel cell, and the like to extract power.
【０００２】[0002]
【従来の技術】この種のものとして、従来では、図２に
示すようなカリーナ発電システムが知られている。すな
わち、水−アンモニア混合媒体を循環流動する循環配管
０１に、排熱源からの排熱との熱交換により蒸気を発生
させるボイラ０２、発生蒸気によって駆動する発電用の
蒸気タービン０３、低圧凝縮器０４、第１のポンプ０
５、高圧凝縮器０６、第２のポンプ０７がその順に設け
られている。2. Description of the Related Art A carina power generation system as shown in FIG. 2 is conventionally known as this type. That is, a boiler 02 that generates steam by heat exchange with waste heat from a waste heat source, a steam turbine 03 for power generation driven by generated steam, and a low-pressure condenser 04 are provided to a circulation pipe 01 that circulates and flows a water-ammonia mixed medium. , The first pump 0
5, a high-pressure condenser 06 and a second pump 07 are provided in that order.
【０００３】水とアンモニアに分離するセパレータ０８
が設けられ、分離された水を低圧凝縮器０４に供給し、
分離されたアンモニアを高圧凝縮器０６に供給するよう
に構成されている。[0003] Separator 08 for separating water and ammonia
Is provided, and the separated water is supplied to the low-pressure condenser 04,
It is configured to supply the separated ammonia to the high-pressure condenser 06.
【０００４】セパレータ０８からの水を供給する箇所と
蒸気タービン０３との間において、循環配管０１に熱交
換器０９が設けられ、この熱交換器０９に、低圧凝縮器
０４からの水−アンモニア混合媒体の一部を取り出して
セパレータ０８に供給する配管０１０が設けられてい
る。[0004] A heat exchanger 09 is provided in the circulation pipe 01 between the point where water from the separator 08 is supplied and the steam turbine 03, and the heat exchanger 09 is provided with a water-ammonia mixture from the low-pressure condenser 04. A pipe 010 for removing a part of the medium and supplying the medium to the separator 08 is provided.
【０００５】このような構成により、低濃度の水−アン
モニア混合媒体を低圧凝縮器０４で凝縮しながら、ボイ
ラ０２には高濃度の水−アンモニア混合媒体を供給して
蒸気タービン０３を駆動し、発電するようになってい
る。With such a configuration, a high-concentration water-ammonia mixed medium is supplied to the boiler 02 while the low-density water-ammonia mixed medium is condensed by the low-pressure condenser 04, and the steam turbine 03 is driven. It is designed to generate electricity.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、上述従
来例の場合、蒸気タービン０３を経て温度が低くなった
水−アンモニア混合媒体の熱を、セパレータ０８でアン
モニアを蒸発させる熱源としているため、アンモニアを
十分に蒸発させづらく、蒸気タービン０３の出力が低い
欠点があった。However, in the case of the conventional example described above, since the heat of the water-ammonia mixed medium whose temperature has been lowered through the steam turbine 03 is used as a heat source for evaporating the ammonia in the separator 08, the ammonia is not used. There is a disadvantage that it is difficult to sufficiently evaporate and the output of the steam turbine 03 is low.
【０００７】本発明は、このような事情に鑑みてなされ
たものであって、請求項１に係る発明の排熱回収システ
ムは、合理的な構成により、液体排熱源からの排熱エネ
ルギーを蒸気タービンの駆動に利用してエネルギーの利
用効率を向上することを目的とし、また、請求項２に係
る発明の排熱回収システムは、蒸気タービンから吸収器
に戻される作動流体のエネルギーの利用効率を向上する
ことを目的とする。The present invention has been made in view of such circumstances, and the exhaust heat recovery system according to the first aspect of the present invention uses a rational configuration to transfer the exhaust heat energy from the liquid exhaust heat source to steam. It is an object of the present invention to improve the utilization efficiency of energy by utilizing it for driving a turbine, and the exhaust heat recovery system according to the second aspect of the present invention reduces the utilization efficiency of the working fluid returned from a steam turbine to an absorber. The purpose is to improve.
【０００８】[0008]
【課題を解決するための手段】請求項１に係る発明の排
熱回収システムは、上述のような目的を達成するため
に、70℃よりも高温の液体の排熱を発生する液体排熱源
と、前記液体排熱源よりも高い温度の気体排熱を発生す
る気体排熱源と、前記気体排熱源からの排熱を熱源とす
る高温蒸気発生装置と、前記高温蒸気発生装置に接続さ
れた循環配管と、前記循環配管内を流動する、水の沸点
よりも低く前記液体排熱源からの排熱によって蒸発可能
な２成分系混合流体である作動流体が前記高温蒸気発生
装置で加熱されて発生する蒸気によって駆動する蒸気タ
ービンと、前記蒸気タービンの下流側に設けられて作動
流体を液化する吸収器と、前記吸収器に連通して、前記
吸収器の液を取り入れて蒸気成分と液成分とに蒸発分離
して液成分を前記吸収器に戻す再生器と、前記再生器に
連通して、前記再生器で蒸発された蒸気成分を取り入れ
て凝縮させる凝縮器と、前記液体排熱源からの排熱を熱
源とするように前記液体排熱源と前記再生器とを接続す
る主配管と、前記循環配管の前記吸収器と前記高温蒸気
発生装置との間の箇所と前記凝縮器とを接続して、前記
凝縮器内の凝縮液を前記吸収器から前記高温蒸気発生装
置に供給する作動流体に合流させる配管とを備えて構成
する。According to a first aspect of the present invention, there is provided an exhaust heat recovery system, comprising: a liquid exhaust heat source for generating an exhaust heat of a liquid having a temperature higher than 70 ° C .; A gas exhaust heat source that generates gas exhaust heat at a higher temperature than the liquid exhaust heat source, a high-temperature steam generator that uses the exhaust heat from the gas exhaust heat source as a heat source, and a circulation pipe connected to the high-temperature steam generator And a steam generated by heating the working fluid, which is a two-component mixed fluid that is lower than the boiling point of water and that can be evaporated by exhaust heat from the liquid exhaust heat source, flowing in the circulation pipe, is heated by the high-temperature steam generator. A steam turbine driven by the steam turbine, an absorber provided on the downstream side of the steam turbine for liquefying a working fluid, and communicating with the absorber to take in the liquid from the absorber and evaporate it into a vapor component and a liquid component Separate and absorb liquid components as described above. A condenser connected to the regenerator for taking in and condensing the vapor component evaporated by the regenerator; and a liquid drainage device so as to use heat exhausted from the liquid waste heat source as a heat source. A main pipe connecting a heat source and the regenerator, and a portion of the circulation pipe between the absorber and the high-temperature steam generator and the condenser are connected to each other to condense the liquid in the condenser. And a pipe for joining the working fluid supplied from the absorber to the high-temperature steam generator.
【０００９】２成分系混合流体としては、アンモニア−
水系の混合流体、メタノール−水系の混合流体等が使用
できる。この２成分系混合流体は低温排熱時の排熱を熱
源とする低温蒸気発生装置で混合流体から低沸点成分が
分離されればよく、主成分以外に若干の第三成分を含ん
でいてもよい。As the two-component mixed fluid, ammonia-
A water-based mixed fluid, a methanol-water-based mixed fluid, or the like can be used. This two-component mixed fluid may be low-boiling components separated from the mixed fluid by a low-temperature steam generator using exhaust heat generated at low-temperature exhaust heat as a heat source, and may contain some third components other than the main component. Good.
【００１０】また、請求項２に係る発明の排熱回収シス
テムは、上述のような目的を達成するために、請求項１
に係る発明の排熱回収システムにおける蒸気タービンと
吸収器との間における循環配管と温水取り出し配管との
間に熱交換器を介装する。Further, the exhaust heat recovery system according to the second aspect of the present invention has the first aspect in order to achieve the above object.
In the exhaust heat recovery system according to the invention, a heat exchanger is interposed between the circulation pipe and the hot water extraction pipe between the steam turbine and the absorber.
【００１１】[0011]
【作用】請求項１に係る発明の排熱回収システムの構成
によれば、例えば、ガスエンジンでは、90℃程度の冷却
ジャケット水を発生する液体排熱源と、高温の燃焼排ガ
スを発生する気体排熱源とがあるといったように、一般
的に、70℃よりも高温の液体の排熱を発生する液体排熱
源と、その液体排熱源よりも高い温度の気体の排熱を発
生する気体排熱源とがあることに着目し、液体排熱源か
らの排熱により２成分系混合流体を加熱して再生器で蒸
気を発生させ、その低沸点成分の濃度が高い２成分系混
合流体を凝縮器に供給して凝縮液化して低沸点成分の濃
度が高い溶液を作り、吸収器から高温蒸気発生装置に供
給する作動流体に合流させ、低沸点成分の濃度が高い作
動流体を高温蒸気発生装置に供給し、低温域から有効に
蒸気を発生させ、その蒸気を蒸気タービンに供給し、蒸
気タービンを駆動して動力を回収することができる。一
方、再生器で分離された低沸点成分の濃度が低い２成分
系混合流体を吸収器に戻して吸収器での凝縮圧力を下
げ、液体排熱源からの排熱エネルギーを蒸気タービンの
駆動に利用することができる。According to the configuration of the exhaust heat recovery system according to the first aspect of the present invention, for example, in a gas engine, a liquid exhaust heat source that generates cooling jacket water at about 90 ° C. and a gas exhaust heat source that generates high-temperature combustion exhaust gas are used. Generally, there is a liquid exhaust heat source that generates exhaust heat of a liquid having a temperature higher than 70 ° C., such as a heat source, and a gas exhaust heat source that generates exhaust heat of a gas having a higher temperature than the liquid exhaust heat source. The two-component mixed fluid is heated by the waste heat from the liquid waste heat source, steam is generated by the regenerator, and the two-component mixed fluid having a high concentration of the low boiling point component is supplied to the condenser. Condensed and liquefied to form a solution with a high concentration of low boiling components, merged with the working fluid supplied to the high temperature steam generator from the absorber, and supplied a working fluid with a high concentration of low boiling components to the high temperature steam generator. Effectively generates steam from the low temperature range, Is supplied to the steam turbine, and the steam turbine is driven to recover power. On the other hand, the two-component mixed fluid with a low concentration of low boiling components separated by the regenerator is returned to the absorber to reduce the condensation pressure in the absorber, and the waste heat energy from the liquid waste heat source is used to drive the steam turbine can do.
【００１２】また、請求項２に係る発明の排熱回収シス
テムの構成によれば、蒸気タービンを通した後の蒸気の
熱をも熱交換器によって回収するとともに、吸収器に供
給される作動流体の温度を低下することができる。Further, according to the configuration of the exhaust heat recovery system according to the second aspect of the present invention, the heat of the steam after passing through the steam turbine is recovered by the heat exchanger and the working fluid supplied to the absorber. Temperature can be lowered.
【００１３】[0013]
【発明の実施の形態】次に、本発明の実施例を図面に基
づいて詳細に説明する。図１は、本発明に係る排熱回収
システムの実施例を示す全体概略構成図であり、ガスエ
ンジン１の気体排熱源としての排気管からの燃焼排ガス
を供給する排ガス供給管２が、高温蒸気発生装置として
の排ガスボイラ３に接続されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is an overall schematic configuration diagram showing an embodiment of an exhaust heat recovery system according to the present invention, wherein an exhaust gas supply pipe 2 for supplying combustion exhaust gas from an exhaust pipe as a gas exhaust heat source of a gas engine 1 includes a high-temperature steam. It is connected to an exhaust gas boiler 3 as a generator.
【００１４】排ガス供給管２に過給機４が設けられると
ともに、過給機４とガスエンジン１との間においてクー
ラー５が設けられ、ガスエンジン１に低温の圧縮空気を
供給するように構成されている。A supercharger 4 is provided in the exhaust gas supply pipe 2, and a cooler 5 is provided between the supercharger 4 and the gas engine 1 so as to supply low-temperature compressed air to the gas engine 1. ing.
【００１５】排ガスボイラ３に循環配管６が接続され、
この循環配管６内に、作動流体としてのアンモニア−水
系の２成分系混合流体が流されている。A circulation pipe 6 is connected to the exhaust gas boiler 3,
An ammonia-water binary fluid mixture as a working fluid flows through the circulation pipe 6.
【００１６】循環配管６に、蒸気タービン７と吸収器８
と第１のポンプ９と混合器１０と第２のポンプ１１とが
介装されるとともに、蒸気タービン７に発電機１２が連
動連結され、ガスエンジン１からの燃焼排ガス（例え
ば、温度 400〜 750℃）を排ガスボイラ３に供給し、そ
の排熱により、アンモニア−水系の２成分系混合流体中
の液分を蒸発させ、その蒸気を蒸気タービン７に供給し
て駆動し、発電電力が得られるように構成されている。In the circulation pipe 6, a steam turbine 7 and an absorber 8
, A first pump 9, a mixer 10, and a second pump 11 are interposed, and a generator 12 is connected to the steam turbine 7 in an interlocked manner, and the combustion exhaust gas from the gas engine 1 (for example, at a temperature of 400 to 750) ° C) to the exhaust gas boiler 3, the exhaust heat evaporates the liquid component in the ammonia-water binary fluid mixture, and supplies and drives the steam to the steam turbine 7 to obtain power generation. It is configured as follows.
【００１７】循環配管６の、第１のポンプ９と混合器１
０との間の箇所と再生器１３とが分岐配管１４を介して
連通接続され、その再生器１３と吸収器８とが連通接続
されている。The first pump 9 and the mixer 1 in the circulation pipe 6
0 and the regenerator 13 are connected to each other via a branch pipe 14, and the regenerator 13 and the absorber 8 are connected to each other.
【００１８】再生器１３に凝縮器１５が連通接続され、
その凝縮器１５と混合器１０とが配管１６を介して連通
接続されている。分岐配管１４の分岐点と混合器１０と
の間にはオリフィス１７が挿入され、アンモニア濃度の
低い溶液を吸収器８から再生器１３に供給しやすいよう
に構成されるとともに、凝縮器１５から混合器１２へア
ンモニア濃度の高い溶液が流れ込みやすいように構成さ
れている。A condenser 15 is communicatively connected to the regenerator 13,
The condenser 15 and the mixer 10 are connected to each other through a pipe 16. An orifice 17 is inserted between the branch point of the branch pipe 14 and the mixer 10 so that a solution having a low ammonia concentration can be easily supplied from the absorber 8 to the regenerator 13 and mixed with the solution from the condenser 15. It is configured such that a solution having a high ammonia concentration easily flows into the vessel 12.
【００１９】ガスエンジン１の液体排熱源としてのエン
ジン冷却部の出口と入口とにわたって、第３のポンプ１
８を介装した主配管１９が接続されている。主配管１９
が、再生器１３に、そこを流れるエンジン冷却後のジャ
ケット冷却水（温水）からアンモニア−水系の２成分系
混合流体に伝熱可能に設けられている。A third pump 1 extends between an outlet and an inlet of an engine cooling unit as a liquid exhaust heat source of the gas engine 1.
8 is connected to the main pipe 19. Main piping 19
Is provided in the regenerator 13 so as to be able to transfer heat from the jacket cooling water (warm water) after cooling the engine flowing therethrough to the ammonia-water-based two-component mixed fluid.
【００２０】上記構成により、エンジン冷却によって発
生する温水（例えば、温度80〜 100℃）を再生器１３に
供給し、その排熱により２成分系混合流体中のアンモニ
アを高温で蒸発させる。蒸発によって得られるアンモニ
ア濃度の高い蒸気（アンモニア濃度99.8％) を凝縮器１
５に供給して液化した後、配管１６および混合器１０を
通じて、吸収器８から排ガスボイラ３に供給するアンモ
ニア−水系の２成分系混合流体に合流させ、排ガスボイ
ラ３に低沸点成分であるアンモニアの濃度の高い溶液を
供給できるようになっている。With the above configuration, hot water (for example, a temperature of 80 to 100 ° C.) generated by cooling the engine is supplied to the regenerator 13, and the exhaust heat thereof evaporates the ammonia in the binary fluid mixture at a high temperature. The high ammonia concentration vapor (99.8% ammonia concentration) obtained by evaporation is transferred to the condenser 1
After being supplied to the exhaust gas boiler 5 and liquefied, it is combined with the ammonia-water binary mixed fluid supplied from the absorber 8 to the exhaust gas boiler 3 through the pipe 16 and the mixer 10, and the ammonia having a low boiling point component Can be supplied.
【００２１】蒸気タービン７と吸収器８との間における
循環配管６と給湯用の温水取り出し配管２０との間に熱
交換器２１が介装され、蒸気タービン７を通した後の蒸
気の熱をも熱交換器２１によって回収するとともに、吸
収器８に供給する２成分系混合流体の温度を低下できる
ように構成されている。A heat exchanger 21 is interposed between the circulation pipe 6 between the steam turbine 7 and the absorber 8 and the hot water supply pipe 20 for supplying hot water, and the heat of the steam after passing through the steam turbine 7 is transferred. Is recovered by the heat exchanger 21 and the temperature of the binary fluid mixture supplied to the absorber 8 can be reduced.
【００２２】図示しないが、ガスエンジン１には、発電
機や各種の機械装置が連動連結されている。また、本発
明としては、蒸気タービン７によって発電機１２を駆動
するように構成しているが、各種の機械装置を駆動する
ための動力を取り出す場合にも適用できる。Although not shown, a generator and various mechanical devices are interlocked to the gas engine 1. Although the present invention is configured to drive the generator 12 by the steam turbine 7, the present invention can also be applied to a case where power for driving various mechanical devices is taken out.
【００２３】本発明としては、上記実施例における排ガ
スボイラ３に代えて熱交換器を用いることにより蒸気を
発生させるようにしても良く、各種の高温蒸気発生装置
が使用できる。In the present invention, steam may be generated by using a heat exchanger instead of the exhaust gas boiler 3 in the above embodiment, and various high-temperature steam generators can be used.
【００２４】上述実施例のガスエンジン１としては、ミ
ラーサイクルガスエンジンやディーゼルエンジンやスタ
ーリングエンジンなど各種のエンジンを用いることがで
き、また、本発明としては、燃料電池を用いたり併用し
たりしてその高温排熱や低温排熱をも回収するように構
成した排熱回収システムにも好適に適用できる。As the gas engine 1 of the above-described embodiment, various engines such as a Miller cycle gas engine, a diesel engine, and a Stirling engine can be used. In the present invention, a fuel cell is used or used in combination. The present invention can be suitably applied to an exhaust heat recovery system configured to also recover the high-temperature exhaust heat and the low-temperature exhaust heat.
【００２５】[0025]
【発明の効果】以上の説明から明らかなように、請求項
１に係る発明の排熱回収システムによれば、高温排熱源
とは別である液体排熱源からの排熱により２成分系混合
流体を加熱して再生器で蒸気を発生させるから、２成分
系混合流体を良好に蒸発分離して低沸点成分の濃度が高
い２成分系混合流体を得ることができる。この低沸点成
分の濃度が高い２成分系混合流体の凝縮液を、吸収器か
ら高温蒸気発生装置に供給する作動流体に合流させて、
低沸点成分の濃度が高い溶液を高温蒸気発生装置に供給
するから、高温蒸気発生装置において低温域から有効に
蒸気を発生し、その蒸気発生効率を高くして蒸気タービ
ンからの動力回収効率を向上でき、エネルギーの利用効
率を向上できるようになった。更に、再生器で分離され
た低沸点成分の濃度が低い２成分系混合流体を吸収器に
戻して吸収器での凝縮圧力を下げ、液体排熱源からの排
熱エネルギーを蒸気タービンの駆動に利用するから、エ
ネルギーの利用効率を一層向上できるようになった。As is apparent from the above description, according to the exhaust heat recovery system of the first aspect of the present invention, the two-component mixed fluid is generated by the exhaust heat from the liquid exhaust heat source separate from the high-temperature exhaust heat source. Is heated to generate steam in the regenerator, the two-component mixed fluid can be satisfactorily evaporated and separated to obtain a two-component mixed fluid having a high concentration of low boiling components. The condensate of the binary mixed fluid having a high concentration of the low-boiling component is combined with the working fluid supplied from the absorber to the high-temperature steam generator,
Since a solution with a high concentration of low-boiling components is supplied to the high-temperature steam generator, the high-temperature steam generator effectively generates steam from the low-temperature range, and increases the steam generation efficiency to improve the power recovery efficiency from the steam turbine. Energy efficiency can be improved. Furthermore, the two-component mixed fluid having a low concentration of low boiling components separated by the regenerator is returned to the absorber to reduce the condensation pressure in the absorber, and the waste heat energy from the liquid waste heat source is used to drive the steam turbine. Therefore, energy use efficiency can be further improved.
【００２６】また、請求項２に係る発明の排熱回収シス
テムによれば、蒸気タービンを通した後の蒸気の熱をも
熱交換器によって回収するから排熱回収効率を向上で
き、かつ、吸収器に供給される作動流体の温度を低下す
るから、吸収器での２成分系混合流体の凝縮圧力を下
げ、液体排熱源からの排熱エネルギーを蒸気タービンの
駆動に利用でき、エネルギーの利用効率をより一層向上
できるようになった。According to the exhaust heat recovery system of the second aspect of the present invention, the heat of the steam after passing through the steam turbine is also recovered by the heat exchanger, so that the efficiency of the exhaust heat recovery can be improved, and the absorption of the heat can be improved. Since the temperature of the working fluid supplied to the vessel is reduced, the condensation pressure of the two-component mixed fluid in the absorber is reduced, and the waste heat energy from the liquid waste heat source can be used for driving the steam turbine, and the energy utilization efficiency Can be further improved.
【図１】本発明に係る排熱回収システムの実施例を示す
全体概略構成図である。FIG. 1 is an overall schematic configuration diagram showing an embodiment of an exhaust heat recovery system according to the present invention.
【図２】従来例を示す全体概略構成図である。FIG. 2 is an overall schematic configuration diagram showing a conventional example.
１…ガスエンジン ３…高温蒸気発生装置としての排ガスボイラ ６…循環配管 ７…蒸気タービン ８…吸収器 １３…再生器 １４…分岐配管 １５…凝縮器 １６…配管 １９…主配管 DESCRIPTION OF SYMBOLS 1 ... Gas engine 3 ... Exhaust gas boiler as a high-temperature steam generator 6 ... Circulation piping 7 ... Steam turbine 8 ... Absorber 13 ... Regenerator 14 ... Branch piping 15 ... Condenser 16 ... Piping 19 ... Main piping
───────────────────────────────────────────────────── フロントページの続き (72)発明者 松村 章二朗 大阪市中央区平野町四丁目１番２号 大阪 瓦斯株式会社内 (72)発明者 田中 啓一 大阪市中央区平野町四丁目１番２号 大阪 瓦斯株式会社内 Ｆターム(参考） 3G081 BA02 BA18 BA20 BB03 BB07 BC06 BC07 BD10 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Shojiro Matsumura 4-1-2, Hirano-cho, Chuo-ku, Osaka-shi Inside Osaka Gas Co., Ltd. (72) Keiichi Tanaka 4-1-1, Hirano-cho, Chuo-ku, Osaka-shi No.2 Osaka Gas Co., Ltd. F-term (reference) 3G081 BA02 BA18 BA20 BB03 BB07 BC06 BC07 BD10
Claims (2)
液体排熱源と、 前記液体排熱源よりも高い温度の気体排熱を発生する気
体排熱源と、 前記気体排熱源からの排熱を熱源とする高温蒸気発生装
置と、 前記高温蒸気発生装置に接続された循環配管と、 前記循環配管内を流動する、水の沸点よりも低く前記液
体排熱源からの排熱によって蒸発可能な２成分系混合流
体である作動流体が前記高温蒸気発生装置で加熱されて
発生する蒸気によって駆動する蒸気タービンと、 前記蒸気タービンの下流側に設けられて作動流体を液化
する吸収器と、 前記吸収器に連通して、前記吸収器の液を取り入れて蒸
気成分と液成分とに蒸発分離して液成分を前記吸収器に
戻す再生器と、 前記再生器に連通して、前記再生器で蒸発された蒸気成
分を取り入れて凝縮させる凝縮器と、 前記液体排熱源からの排熱を熱源とするように前記液体
排熱源と前記再生器とを接続する主配管と、 前記循環配管の前記吸収器と前記高温蒸気発生装置との
間の箇所と前記凝縮器とを接続して、前記凝縮器内の凝
縮液を前記吸収器から前記高温蒸気発生装置に供給する
作動流体に合流させる配管と、 を備えてあることを特徴とする排熱回収システム。1. A liquid exhaust heat source that generates exhaust heat of a liquid having a temperature higher than 70 ° C., a gas exhaust heat source that generates a gas exhaust heat having a temperature higher than the liquid exhaust heat source, and an exhaust gas from the gas exhaust heat source. A high-temperature steam generator using heat as a heat source; a circulating pipe connected to the high-temperature steam generating apparatus; and a liquid flowing in the circulating pipe, which is lower than a boiling point of water and can be evaporated by exhaust heat from the liquid exhaust heat source. A steam turbine driven by steam generated by heating a working fluid, which is a two-component mixed fluid, by the high-temperature steam generator; an absorber provided downstream of the steam turbine to liquefy the working fluid; A regenerator that takes in the liquid of the absorber, evaporates and separates into a vapor component and a liquid component and returns the liquid component to the absorber, and a regenerator that communicates with the regenerator and evaporates in the regenerator. The steam component A condenser for contracting; a main pipe connecting the liquid waste heat source and the regenerator so that waste heat from the liquid waste heat source is used as a heat source; an absorber of the circulation pipe and the high-temperature steam generator; And a pipe for connecting a condensate in the condenser to the working fluid supplied from the absorber to the high-temperature steam generator by connecting a point between the condenser and the condenser. Waste heat recovery system.
との間における循環配管と温水取り出し配管との間に熱
交換器を介装してある排熱回収システム。2. An exhaust heat recovery system comprising a heat exchanger interposed between a circulation pipe and a hot water extraction pipe between the steam turbine and the absorber according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000060784A JP2001248409A (en) | 2000-03-06 | 2000-03-06 | Exhaust heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000060784A JP2001248409A (en) | 2000-03-06 | 2000-03-06 | Exhaust heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001248409A true JP2001248409A (en) | 2001-09-14 |
Family
ID=18581036
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000060784A Pending JP2001248409A (en) | 2000-03-06 | 2000-03-06 | Exhaust heat recovery system |
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| JP (1) | JP2001248409A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005088080A1 (en) * | 2004-03-12 | 2005-09-22 | Marnoch Ian A | Thermal conversion device and process |
| JP2011074897A (en) * | 2009-10-02 | 2011-04-14 | Miura Co Ltd | Fluid machine driving system |
| CN103109046A (en) * | 2010-07-14 | 2013-05-15 | 马克卡车公司 | Waste heat recovery system with partial recuperation |
| CN103758659A (en) * | 2014-01-08 | 2014-04-30 | 南京航空航天大学 | Efficient compact internal combustion engine and organic Rankin cycle combined system and operating method thereof |
| CN104165102A (en) * | 2014-04-22 | 2014-11-26 | 浙江银轮机械股份有限公司 | Engine waste heat recovery system based on organic Rankine cycle |
| WO2016002425A1 (en) * | 2014-06-30 | 2016-01-07 | いすゞ自動車株式会社 | Waste heat regeneration system |
| CN105478064A (en) * | 2015-12-29 | 2016-04-13 | 北京华福工程有限公司 | Low-pressure steam condensation water energy saving system and method for alkane dehydrogenation device |
| CN111852598A (en) * | 2019-04-30 | 2020-10-30 | 中国船舶重工集团公司第七一一研究所 | Ship waste heat recovery power generation system |
-
2000
- 2000-03-06 JP JP2000060784A patent/JP2001248409A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005088080A1 (en) * | 2004-03-12 | 2005-09-22 | Marnoch Ian A | Thermal conversion device and process |
| JP2011074897A (en) * | 2009-10-02 | 2011-04-14 | Miura Co Ltd | Fluid machine driving system |
| CN103109046A (en) * | 2010-07-14 | 2013-05-15 | 马克卡车公司 | Waste heat recovery system with partial recuperation |
| US8919123B2 (en) | 2010-07-14 | 2014-12-30 | Mack Trucks, Inc. | Waste heat recovery system with partial recuperation |
| CN103109046B (en) * | 2010-07-14 | 2015-08-19 | 马克卡车公司 | There is the Waste Heat Recovery System (WHRS) that local is reclaimed |
| CN103758659A (en) * | 2014-01-08 | 2014-04-30 | 南京航空航天大学 | Efficient compact internal combustion engine and organic Rankin cycle combined system and operating method thereof |
| CN103758659B (en) * | 2014-01-08 | 2015-11-18 | 南京航空航天大学 | High-efficiency compact internal-combustion engine-organic Rankine bottoming cycle combined system and method for work thereof |
| CN104165102A (en) * | 2014-04-22 | 2014-11-26 | 浙江银轮机械股份有限公司 | Engine waste heat recovery system based on organic Rankine cycle |
| WO2016002425A1 (en) * | 2014-06-30 | 2016-01-07 | いすゞ自動車株式会社 | Waste heat regeneration system |
| CN105478064A (en) * | 2015-12-29 | 2016-04-13 | 北京华福工程有限公司 | Low-pressure steam condensation water energy saving system and method for alkane dehydrogenation device |
| CN111852598A (en) * | 2019-04-30 | 2020-10-30 | 中国船舶重工集团公司第七一一研究所 | Ship waste heat recovery power generation system |
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