JPH0364701B2 - - Google Patents
Info
- Publication number
- JPH0364701B2 JPH0364701B2 JP59225899A JP22589984A JPH0364701B2 JP H0364701 B2 JPH0364701 B2 JP H0364701B2 JP 59225899 A JP59225899 A JP 59225899A JP 22589984 A JP22589984 A JP 22589984A JP H0364701 B2 JPH0364701 B2 JP H0364701B2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- engine
- generator
- hot water
- driven
- 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 - Lifetime
Links
- 238000005338 heat storage Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000010248 power generation Methods 0.000 claims description 10
- 238000004378 air conditioning Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000011232 storage material Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims 1
- 239000007789 gas Substances 0.000 description 15
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
-
- 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
〔産業上の利用分野〕
本発明は、ガスエンジン、ガスタービンなどの
駆動機関とヒートポンプとの組合せによる熱併給
発電装置の運転方法に関するものである。
〔従来技術〕
従来の熱併給発電システムは、駆動機関として
例えばガスエンジン発電機で電力を供給し、エン
ジン排熱を利用して温水を供給するものとして、
第１図のような構成を備えている。即ち、ガスエ
ンジン１は発電機３に直結され、常時電力を供給
する。エンジン冷却水の排熱及び排気ガスの排熱
はそれぞれ冷却水熱交換器７及び排気熱交換器５
において回収される。
このシステムにおいては、一般に排熱の80％近
くを熱として利用できるため、発電とあわせた総
合エネルギ効率は80％前後が期待でき、熱併給発
電しないシステムに比して約40％の経費節減が図
れるといわれている。
〔発明が解決しようとする問題点〕
しかしながら、従来の熱併給システムはエネル
ギの蓄積ができないため昼間のピーク時に対する
対応が不十分であり、また総合エネルギ効率をそ
れ以上改善することができないという欠点があ
る。
そこで、蓄電池を用いてエネルギを蓄積するこ
とが考えられるが、従来の鉛蓄電池は作動が常温
型であり、熱に弱く、放電し易く、また水の補給
が不可決であり、メンテナンス上手間がかかる。
その上、充放電により発生した熱を外部に放出す
る必要があるため、空調の必要があり、従つて、
発電設備は大型で複雑なものとなる。また、熱を
蓄積するため熱水をアキユムレータに貯蔵するこ
とが考えられるが、アキユムレータは第一種圧力
容器であるため、その取扱いには問題がある。
本発明は、上記の問題点を解決し、経済的で総
合エネルギ効率が高く、設備はそれほど大型でな
く、また取扱いも容易であり、夜間に必要量のエ
ネルギを蓄積することができ、製作にあまり経費
がかからない熱併給発電装置の運転方法を提供す
ることを目的とするものである。
〔問題点を解決するための手段〕
本発明は、ガスエンジンと、該ガスエンジンと
カツプリングによつて選択的に接続駆動されるヒ
ートポンプ及び発電機と、該発電機に接続された
レドツクスフロー型蓄電池と、前記エンジン排熱
を高分子系蓄熱材に蓄積する潜熱蓄熱装置及び貯
湯槽とを熱交換器を介して備え、昼間は前記エン
ジン駆動のヒートポンプによる冷暖房を行い、夜
間は前記エンジン駆動の発電を行い、この発電機
の発生した電力を前記レドツクスフロー型蓄電池
に蓄電すると共に、エンジン排熱を熱交換器に通
して前記潜熱蓄熱装置及び前記貯湯槽の両者に蓄
熱して、昼間のピークカツト用の電力を供給し、
併せて給湯等の熱供給を行うことを特徴とする熱
併給発電装置の運転方法である。
〔実施例〕
本発明の実施例を第２図ａ，ｂに基づいて説明
する。
駆動機関としてのガスエンジン１は、カツプリ
ング９，１０を介してそれぞれヒートポンプ２、
発電機３に接離可能に連結され、さらに、発電機
３はレドツクスフロー型蓄電池４に接続されてい
る。ガスエンジンの排気は熱交換器５，７を通つ
て排出され、排熱は潜熱蓄熱装置６及び貯湯槽８
に蓄積される。
本実施例の熱併給発電システムは、ビル等の大
建築物に設置されるが、ビル等においては、昼間
は大勢の人が居るため冷暖房の需要も多いが、夜
間はほとんど無人となるため冷暖房はほとんど要
らなくなる。そこで、ガスエンジンの動力が余る
ので、それを利用して蓄電及び蓄熱することが可
能になる。
即ち、昼間はカツプリング９を接続しガスエン
ジン１によつてヒートポンプ２を運転し、ビルの
冷暖房を行う。空調時間Ａは第２図ｂの如く午前
８時から午後６時の就業時間を目安とする。夜間
はカツプリング１０を接続しガスエンジン１によ
つて発電機を運転し、発生した電気はレドツクス
フロー型蓄電池４に蓄電する。夜間蓄電時間Ｂは
午後10時から午前８時の間を目安とする。レドツ
クスフロー型蓄電池４をその間充電し、CO、の
如く昼間放電すれば、Ｅの如き現行の電力負荷が
軽減されＦの如くピークカツトができる。
次に実際の数値例を第１表に示すが、この例は
床面積1000m2、冷房負荷100，200，300Kcal／
m2・ｈの建物を想定して、電力カツト率、潜熱蓄
熱装置６の蓄熱量を求めたものである。
[Industrial Field of Application] The present invention relates to a method of operating a cogeneration power generation device using a combination of a drive engine such as a gas engine or a gas turbine and a heat pump. [Prior Art] A conventional combined heat and power generation system supplies electric power using, for example, a gas engine generator as a driving engine, and supplies hot water using exhaust heat from the engine.
It has a configuration as shown in FIG. That is, the gas engine 1 is directly connected to the generator 3 and constantly supplies electric power. The exhaust heat of the engine cooling water and the exhaust heat of the exhaust gas are transferred to a cooling water heat exchanger 7 and an exhaust heat exchanger 5, respectively.
It will be collected at In this system, nearly 80% of the waste heat can generally be used as heat, so the total energy efficiency including power generation can be expected to be around 80%, resulting in approximately 40% cost savings compared to systems that do not combine heat and power generation. It is said that it is possible to [Problems to be Solved by the Invention] However, conventional cogeneration systems cannot store energy, so they are insufficiently able to cope with daytime peak hours, and they also have the drawback of not being able to further improve overall energy efficiency. There is. Therefore, it is possible to store energy using storage batteries, but conventional lead-acid batteries operate at room temperature, are sensitive to heat, are easily discharged, and require water replenishment, making maintenance difficult. It takes.
Furthermore, since the heat generated by charging and discharging needs to be released to the outside, air conditioning is necessary.
Power generation equipment will be large and complex. Furthermore, it is conceivable to store hot water in an accumulator to accumulate heat, but since the accumulator is a first class pressure vessel, there are problems in its handling. The present invention solves the above problems, is economical, has high overall energy efficiency, does not require large equipment, is easy to handle, can store the required amount of energy at night, and is easy to manufacture. The object of the present invention is to provide a method of operating a cogeneration power generation device that does not require much expense. [Means for Solving the Problems] The present invention provides a gas engine, a heat pump and a generator that are selectively connected and driven by the gas engine through a coupling, and a redox flow type heat pump that is connected to the generator. A storage battery, a latent heat storage device that stores the engine exhaust heat in a polymeric heat storage material, and a hot water storage tank are provided via a heat exchanger, and during the daytime, the engine-driven heat pump performs cooling and heating, and at night, the engine-driven heat pump performs heating and cooling. Electricity is generated, and the electric power generated by the generator is stored in the redox flow type storage battery, and the engine exhaust heat is passed through the heat exchanger and stored in both the latent heat storage device and the hot water tank. Supply power for peak cut,
This is a method of operating a combined heat and power generation device characterized in that it also supplies heat such as hot water supply. [Example] An example of the present invention will be described based on FIGS. 2a and 2b. A gas engine 1 as a driving engine is connected to a heat pump 2 and a heat pump 2 through couplings 9 and 10, respectively.
It is connected to a generator 3 so as to be detachable, and the generator 3 is further connected to a redox flow type storage battery 4. The exhaust gas of the gas engine is discharged through heat exchangers 5 and 7, and the exhaust heat is transferred to a latent heat storage device 6 and a hot water storage tank 8.
is accumulated in The combined heat and power generation system of this embodiment is installed in large buildings such as buildings. In buildings, there are many people during the day, so there is a high demand for air conditioning, but at night there are almost no people, so there is a high demand for air conditioning. is almost no longer needed. Therefore, since the power of the gas engine is left over, it becomes possible to use it to store electricity and heat. That is, during the day, the coupling ring 9 is connected and the heat pump 2 is operated by the gas engine 1 to cool and heat the building. The air conditioning time A is based on the working hours from 8 a.m. to 6 p.m., as shown in Figure 2b. At night, the coupling 10 is connected and the generator is operated by the gas engine 1, and the generated electricity is stored in the redox flow type storage battery 4. The nighttime energy storage time B is estimated to be between 10:00 pm and 8:00 am. If the redox flow storage battery 4 is charged during that time and discharged during the day like CO, the current power load like E can be reduced and the peak cut like F can be achieved. Next, actual numerical examples are shown in Table 1, but this example has a floor area of 1000 m 2 and a cooling load of 100, 200, 300 Kcal/
The electric power cut rate and the amount of heat storage in the latent heat storage device 6 were calculated assuming a building of m 2 ·h.
【表】【table】
上記のように構成されているので、本発明は下
記のような著しい効果を奏する。
１ 蓄電と蓄熱システムを組合せているので、必
要時に同時に或いは別々に必要量を取り出すこ
とができ、蓄電に鉛電池、蓄熱にアキユムレー
タを使う場合に比べてメンテナンス、スペース
ともに簡単かつコンパクトにすることができ
る。エンジン排熱を潜熱蓄熱方式で蓄熱してい
るので装置のコンパクトが大幅に可能である。
２ 蓄電にレドツクスフロー型蓄電池を使うの
で、充放電が自由にでき、蓄電量も溶液タンク
の容量を変えるだけでよく、将来の電力需要の
変化にも簡単に追従することができる。また、
電池停止時の自己放電がないので、非常用電源
としても使用できる。しかも蓄電量をタンク容
量によつて容易変更することができ、需要に応
じた施設規摸運転として経済的に対応すること
が可能である。
３ 昼間ガスエンジンヒートポンプで冷暖房する
ので、夜間蓄電した電力はビルの照明用等に利
用することができ、昼間の電力ピークカツトが
できる。
With the above configuration, the present invention provides the following remarkable effects. 1 Since it combines electricity storage and heat storage systems, the required amount can be taken out at the same time or separately when needed, and compared to using lead batteries for electricity storage and accumulators for heat storage, maintenance and space are easier and more compact. can. Since engine exhaust heat is stored using the latent heat storage method, the device can be made much more compact. 2. Since a redox flow type storage battery is used to store electricity, it can be charged and discharged freely, and the amount of stored electricity can be changed by simply changing the capacity of the solution tank, making it possible to easily follow future changes in electricity demand. Also,
Since there is no self-discharge when the battery is stopped, it can also be used as an emergency power source. Furthermore, the amount of stored electricity can be easily changed by changing the tank capacity, making it possible to economically respond to facility regular operation according to demand. 3. Since heating and cooling is performed using a gas engine heat pump during the day, the electricity stored during the night can be used for building lighting, etc., making it possible to cut peak electricity consumption during the day.
第１図は、従来の熱併給発電システムの構成
図、第２図ａは、本発明の実施例の熱併給発電装
置の構成図、同図ｂはその運転例における負荷負
担状態を示す線図である。
１……ガスエンジン、２……ヒートポンプ、３
……発電機、４……レドツクスフロー型蓄電池、
５，７……熱交換器、６……潜熱蓄熱装置、８…
…貯湯槽、９，１０……カツプリング。
Figure 1 is a configuration diagram of a conventional cogeneration system, Figure 2a is a configuration diagram of a cogeneration system according to an embodiment of the present invention, and Figure 2b is a diagram showing the load burden state in an example of its operation. It is. 1...Gas engine, 2...Heat pump, 3
... Generator, 4... Redox flow type storage battery,
5, 7... Heat exchanger, 6... Latent heat storage device, 8...
...Hot water tank, 9,10...Katsupring.
Claims (1)
ングによつて選択的に接続駆動されるヒートポン
プ及び発電機と、該発電機に接続されたレドツク
スフロー型蓄電池と、前記エンジン排熱を高分子
系蓄熱材に蓄積する潜熱蓄熱装置及び貯湯槽とを
熱交換器を介して備え、昼間は前記エンジン駆動
のヒートポンプによる冷暖房を行い、夜間は前記
エンジン駆動の発電を行い、この発電機の発生し
た電力を前記レドツクスフロー型蓄電池に蓄電す
ると共に、エンジン排熱を熱交換器に通して前記
潜熱蓄熱装置及び前記貯湯槽の両者に蓄熱して、
昼間のピークカツト用の電力を供給し、併せて給
湯等の熱供給を行うことを特徴とする熱併給発電
装置の運転方法。1. A gas engine, a heat pump and a generator that are selectively connected and driven by the gas engine and a coupling, a redox flow storage battery connected to the generator, and a polymer-based heat storage material that uses the exhaust heat of the engine. A latent heat storage device and a hot water storage tank are installed via a heat exchanger.During the day, the engine-driven heat pump performs air conditioning and heating, and at night, the engine-driven power generation is performed, and the electric power generated by this generator is transferred to the Storing electricity in a redox flow type storage battery, and passing engine exhaust heat through a heat exchanger to store heat in both the latent heat storage device and the hot water storage tank,
A method of operating a combined heat and power generation device characterized by supplying power for daytime peak cuts and also supplying heat such as hot water supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59225899A JPS61106954A (en) | 1984-10-29 | 1984-10-29 | Operating method of generating device concurrently supplying heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59225899A JPS61106954A (en) | 1984-10-29 | 1984-10-29 | Operating method of generating device concurrently supplying heat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61106954A JPS61106954A (en) | 1986-05-24 |
| JPH0364701B2 true JPH0364701B2 (en) | 1991-10-08 |
Family
ID=16836626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59225899A Granted JPS61106954A (en) | 1984-10-29 | 1984-10-29 | Operating method of generating device concurrently supplying heat |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61106954A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63205422A (en) * | 1987-02-21 | 1988-08-24 | Kamata Kk | Cogeneration type power generating unit |
| JPS63205423A (en) * | 1987-02-21 | 1988-08-24 | Kamata Kk | Cogeneration type power generating unit |
| JP3821574B2 (en) * | 1998-03-27 | 2006-09-13 | 大阪瓦斯株式会社 | Self-contained combined heat and power system |
| JP3821572B2 (en) * | 1998-03-27 | 2006-09-13 | 大阪瓦斯株式会社 | Self-contained cogeneration system |
| KR100579577B1 (en) * | 2004-08-17 | 2006-05-15 | 엘지전자 주식회사 | Electric generation air condition system having speed heater |
| KR100624735B1 (en) | 2005-05-14 | 2006-09-15 | 엘지전자 주식회사 | Cogeneration system |
| KR100799528B1 (en) | 2007-09-27 | 2008-02-01 | 고성호 | A electric generating system using waste heat of from power generator |
| JP5110335B1 (en) * | 2011-08-15 | 2012-12-26 | 昌治 澤田 | A machine-rotary power machine device with a generator device that has hot water storage and storage functions, using water as a fuel source, and hydrogen gas and oxygen gas as circulating and regenerated fuel and using a fully coupled energy |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54118913A (en) * | 1978-02-18 | 1979-09-14 | Daimler Benz Ag | Thermodynamic apparatus and method of operating same |
| JPS5726225A (en) * | 1980-07-25 | 1982-02-12 | Kubota Ltd | Air conditioner with emergency power generator |
-
1984
- 1984-10-29 JP JP59225899A patent/JPS61106954A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54118913A (en) * | 1978-02-18 | 1979-09-14 | Daimler Benz Ag | Thermodynamic apparatus and method of operating same |
| JPS5726225A (en) * | 1980-07-25 | 1982-02-12 | Kubota Ltd | Air conditioner with emergency power generator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61106954A (en) | 1986-05-24 |
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