JP2559562Y2 - Cogeneration system - Google Patents
Cogeneration systemInfo
- Publication number
- JP2559562Y2 JP2559562Y2 JP1993037361U JP3736193U JP2559562Y2 JP 2559562 Y2 JP2559562 Y2 JP 2559562Y2 JP 1993037361 U JP1993037361 U JP 1993037361U JP 3736193 U JP3736193 U JP 3736193U JP 2559562 Y2 JP2559562 Y2 JP 2559562Y2
- Authority
- JP
- Japan
- Prior art keywords
- water
- engine
- heat
- cooling tower
- aftercooler
- 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.)
- Expired - Fee Related
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
- Y02E20/14—Combined heat and power generation [CHP]
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Description
【０００１】[0001]
【産業上の利用分野】本考案は、ディーゼルエンジンや
ガスエンジンなどで発電機を駆動し、発電により電気エ
ネルギーを得ると共にエンジンからの排熱エネルギーを
回収して利用する熱電併給装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cogeneration system in which a generator is driven by a diesel engine, a gas engine, or the like to obtain electric energy by power generation and to collect and use waste heat energy from the engine.
【０００２】[0002]
【従来の技術】従来、熱電併給装置の構成を図２に示
す。発電機１を駆動するエンジン２を冷却するジャケッ
ト２１の水は水／水熱交換器３で冷却され、アフタクー
ラ２２の水は冷却塔７で冷却される。また排気管８には
ガス／水熱交換器４が設けられている。2. Description of the Related Art FIG. 2 shows a configuration of a conventional cogeneration system. The water in the jacket 21 that cools the engine 2 that drives the generator 1 is cooled by the water / water heat exchanger 3, and the water in the aftercooler 22 is cooled by the cooling tower 7. The gas / water heat exchanger 4 is provided in the exhaust pipe 8.
【０００３】水／水熱交換器３及びガス交換器４の２次
側にはポンプＰ1により貯湯槽１１の水が循環されエン
ジンの排熱は貯湯槽１１に回収される。[0003] Water / water heat exchanger 3 and the exhaust heat of the engine water of the hot water storage tank 11 is circulated by the pump P 1 to the secondary side of the gas exchanger 4 is recovered in the hot water storage tank 11.
【０００４】排熱の回収により貯湯槽１１の水が高温に
なった場合など熱回収の必要がない場合、貯湯槽１１か
らポンプＰ1で送出される水を切替弁１２により２次側
が放熱用冷却塔６に接続されている放熱用熱交換器５に
通して冷却してから水／水熱交換器３に流しエンジンジ
ャケット２１の水を冷却している。When there is no need for heat recovery such as when the temperature of the water in the hot water storage tank 11 becomes high due to the recovery of exhaust heat, the water sent out from the hot water storage tank 11 by the pump P 1 is radiated to the secondary side by the switching valve 12. After cooling through the heat-radiating heat exchanger 5 connected to the cooling tower 6, the water flows into the water / water heat exchanger 3 to cool the water in the engine jacket 21.
【０００５】[0005]
【考案が解決しようとする課題】上記熱電併給装置は貯
湯槽１１の水が高温になったりして熱回収の必要ない場
合に、回収したエンジンからの排熱を放熱用熱交換器５
を介して冷却塔６から放熱しているが、その冷却塔６の
他にエンジンのアフタクーラ２２の放熱のためのもう一
つの冷却塔７及びその設置スペースが必要となるため熱
電併給装置がコスト高となっていた。The heat and power supply device described above uses the heat exhausted from the recovered engine to dissipate heat when the water in the hot water storage tank 11 becomes hot and heat recovery is not necessary.
The heat is radiated from the cooling tower 6 via the cooling tower 6, but in addition to the cooling tower 6, another cooling tower 7 for radiating heat of the aftercooler 22 of the engine and its installation space are required, so that the cogeneration system is expensive. Had become.
【０００６】本考案は従来のこのような問題点に鑑みて
なされたものであり、その目的とするところは、放熱用
熱交換器とエンジンのアフタクーラの冷却を一台の冷却
塔でなしうるようにした熱電併給装置を提供することに
ある。The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a single cooling tower for cooling a heat-radiating heat exchanger and an aftercooler of an engine. Another object of the present invention is to provide a cogeneration system.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本考案における熱電併給装置は、エンジン排熱の回
収の必要がない場合にその回収した排熱を放熱用熱交換
器を介して冷却塔から放熱させる構成のアフタクーラ付
のディーゼルエンジンやガスエンジンを駆動する熱電併
給装置において、前記冷却塔にエンジンのアフタクーラ
をその冷却水が循環するように接続し、前記冷却塔をア
フタクーラの冷却用に兼用したことを特徴とする。In order to achieve the above object, a combined heat and power supply device according to the present invention uses an exhaust heat recovered through a heat exchanger for heat release when it is not necessary to recover the exhaust heat of the engine. In a cogeneration system for driving a diesel engine or a gas engine with an aftercooler configured to radiate heat from the cooling tower, an aftercooler of the engine is connected to the cooling tower so that the cooling water circulates, and the cooling tower is used for cooling the aftercooler. The feature is that it is also used for
【０００８】[0008]
【作用】冷却塔で冷却された冷却水は放熱用熱交換器と
の間及びエンジンアフタクーラとの間で循環するので、
一台の冷却塔で放熱用熱交換器とエンジンアフタクーラ
の冷却を行うことができる。[Function] The cooling water cooled by the cooling tower circulates between the heat radiating heat exchanger and the engine aftercooler.
The cooling heat exchanger and the engine aftercooler can be cooled by one cooling tower.
【０００９】[0009]
【実施例】本考案の実施例について図１を参照して説明
する。なお、図中前記従来図２に示したものと同一構成
部分は、同一符号を付してその重複する説明を省略す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIG. In the figure, the same components as those shown in the conventional FIG. 2 are denoted by the same reference numerals, and the description thereof will not be repeated.
【００１０】６１及び６３は冷却塔６の出口側及び入口
側パイプ、Ｐ2は出口側パイプ６１に接続された送出用
ポンプ、６２ａはポンプＰ2の出口側とエンジンアフタ
クーラ２２の入口側とを接続するパイプ、６２ｂはポン
プＰ2出口側と放熱用熱交換器５の入口側を接続するパ
イプ、６３ａはエンジンアフタクーラ２２の出口側と冷
却塔６の入口側パイプ６３に接続されたパイプ、６３ｂ
は熱交換器５の出口側と冷却塔６の入口側パイプ６３と
の間に接続されたパイプである。その他の構成は従来図
２のものと変りがない。[0010] 61 and 63 outlet side and the inlet side pipe of the cooling tower 6, P 2 is an inlet side of the delivery pump connected to the outlet side pipe 61, 62a is an outlet side of the pump P 2 engine aftercooler 22 connecting pipes, 62b is a pipe for connecting an inlet side of the pump P 2 outlet side and the heat radiating heat exchanger 5, 63a is a pipe connected to the outlet side of the engine aftercooler 22 to the inlet side pipe 63 of the cooling tower 6 , 63b
Is a pipe connected between the outlet side of the heat exchanger 5 and the inlet side pipe 63 of the cooling tower 6. Other configurations are the same as those of the conventional device shown in FIG.
【００１１】次に、この実施例の動作について説明す
る。貯湯槽１１の水温が低くエンジン排熱回収の必要が
ある場合は、切替弁１２で放熱用熱交換器５をバイパス
して貯湯槽１１の水をポンプＰ1により水／水熱交換器
３，ガス／水熱交換器４，貯湯槽１１の回路で循環さ
せ、水／水熱交換器３でエンジンジャケット２１の水を
冷却しエンジンの熱を回収すると共に、エンジン排気ガ
ス熱をガス／水熱交換器４で回収する。Next, the operation of this embodiment will be described. If the water temperature of the hot water storage tank 11 needs to lower the engine exhaust heat recovery, the switching valve 12 in the radiating heat exchanger 5 to bypass the hot water storage tank 11 water pump P 1 with water / water heat exchanger 3, The gas / water heat exchanger 4 circulates in the circuit of the hot water storage tank 11, the water in the engine jacket 21 is cooled by the water / water heat exchanger 3 to recover the heat of the engine, and the heat of the exhaust gas of the engine is cooled by the gas / water heat. Collected in exchanger 4.
【００１２】同時にポンプＰ2によりエンジンアフタク
ーラ２２の水をパイプ６２ａ，６３ａにより冷却塔６に
循環させて冷却する。[0012] At the same time the pipe 62a the water of the engine aftercooler 22 by the pump P 2, by circulating a cooling tower 6 by 63a to cool.
【００１３】貯湯槽１１の水温が高く排熱回収の必要が
ない場合は、切替弁１２を切替えて貯湯槽１１の水を放
熱用熱交換器５，水／水熱交換器３，ガス／水熱交換器
４，貯湯槽１１の回路で循環させる。When the water temperature of the hot water storage tank 11 is high and it is not necessary to recover the exhaust heat, the switching valve 12 is switched to discharge the water in the hot water storage tank 11 to the heat-radiating heat exchanger 5, the water / water heat exchanger 3, the gas / water. The heat is circulated in the circuit of the heat exchanger 4 and the hot water storage tank 11.
【００１４】熱交換器５の２次側には冷却塔６で冷却さ
れた水がポンプＰ2によりパイプ６２ｂ，６３ｂを通し
て流れているので、貯湯槽１１から出た水は熱交換器５
で冷却され水／水熱交換器３へ入るためエンジンジャケ
ット２１の水はよく冷却される。冷却塔６で冷却された
水はポンプＰ2によりパイプ６２ａ，６３ａを通してエ
ンジンアフタクーラ２２にも流れているので、アフタク
ーラの水も同時に冷却される。[0014] pipe 62b water cooled in the cooling tower 6 to the secondary side by the pump P 2 of the heat exchanger 5, because the flow through 63 b, the water exiting from the hot water storage tank 11 is a heat exchanger 5
Then, the water in the engine jacket 21 is cooled well because the water enters the water / water heat exchanger 3. It cooled in the cooling tower 6 water pipes 62a by the pump P 2, since also flows to the engine aftercooler 22 through 63a, water aftercooler also cooled simultaneously.
【００１５】以上のように実施例によれば一つの冷却塔
６と一つのポンプＰ2により放熱用熱交換器５の２次側
水及びエンジンアフタクーラ２２の水を冷却することが
できる。As described above, according to the embodiment, one cooling tower 6 and one pump P 2 can cool the secondary water of the heat-radiating heat exchanger 5 and the water of the engine aftercooler 22.
【００１６】[0016]
【考案の効果】本考案は、上述のとおり構成されている
ので、次に記載する効果を奏する。The present invention is configured as described above, and has the following effects.
【００１７】（１）放熱用冷却塔からの冷却水を放熱用
熱交換器とエンジンのアフタクーラ冷却用とに兼用する
ことで冷却塔が一台でよくなる。(1) By using the cooling water from the cooling tower for heat dissipation as the heat exchanger for heat dissipation and for cooling the aftercooler of the engine, one cooling tower is sufficient.
【００１８】（２）従来エンジンのアフタクーラ冷却用
冷却塔が不要となるので、その設置スペースが節約で
き、熱電併給装置の普及に大きく貢献できる。(2) Since the cooling tower for cooling the aftercooler of the conventional engine is not required, the installation space can be saved, and it can greatly contribute to the spread of the cogeneration system.
【図１】実施例の構成を示すブロック図。FIG. 1 is a block diagram showing a configuration of an embodiment.
【図２】従来例の構成を示すブロック図。FIG. 2 is a block diagram showing a configuration of a conventional example.
１…発電機 ２…エンジン ３…水／水熱交換器 ４…ガス／水熱交換器 ５…放熱用熱交換器 ６…放熱用冷却塔 ７…エンジンアフタクーラ用冷却塔 ８…排気管 ９…消音器 １０…膨張タンク １１…貯湯槽 １２…切替弁 ６１〜６３…パイプ Ｐ1〜Ｐ3…ポンプDESCRIPTION OF SYMBOLS 1 ... Generator 2 ... Engine 3 ... Water / water heat exchanger 4 ... Gas / water heat exchanger 5 ... Heat dissipation heat exchanger 6 ... Heat dissipation cooling tower 7 ... Engine aftercooler cooling tower 8 ... Exhaust pipe 9 ... silencer 10 ... expansion tank 11 ... hot-water tank 12 ... switching valves 61 to 63 ... pipe P 1 to P 3 ... pump
Claims (1)
その回収した排熱を放熱用熱交換器を介して冷却塔から
放熱させる構成のアフタクーラ付のディーゼルエンジン
やガスエンジンを駆動源とする熱電併給装置において、 前記冷却塔にエンジンのアフタクーラをその冷却水が循
環するように接続し、前記冷却塔をアフタクーラの冷却
用に兼用したことを特徴とする熱電併給装置。1. A diesel engine or a gas engine with an aftercooler configured to radiate the recovered exhaust heat from a cooling tower via a radiating heat exchanger when it is not necessary to recover the engine exhaust heat. In the combined heat and power unit, an aftercooler of an engine is connected to the cooling tower so that the cooling water circulates, and the cooling tower is also used for cooling the aftercooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993037361U JP2559562Y2 (en) | 1993-07-08 | 1993-07-08 | Cogeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993037361U JP2559562Y2 (en) | 1993-07-08 | 1993-07-08 | Cogeneration system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH078547U JPH078547U (en) | 1995-02-07 |
| JP2559562Y2 true JP2559562Y2 (en) | 1998-01-19 |
Family
ID=12495406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993037361U Expired - Fee Related JP2559562Y2 (en) | 1993-07-08 | 1993-07-08 | Cogeneration system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2559562Y2 (en) |
-
1993
- 1993-07-08 JP JP1993037361U patent/JP2559562Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH078547U (en) | 1995-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |